Updated cfMesh to v1.0.1

applications/utilities/mesh/cfMesh/FMSToSurface/FMSToSurface.C

@@ -0,0 +1,166 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | cfMesh: A library for mesh generation
+   \\    /   O peration     |
+    \\  /    A nd           | Author: Franjo Juretic (franjo.juretic@c-fields.com)
+     \\/     M anipulation  | Copyright (C) Creative Fields, Ltd.
+-------------------------------------------------------------------------------
+License
+    This file is part of cfMesh.
+
+    cfMesh is free software; you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by the
+    Free Software Foundation; either version 3 of the License, or (at your
+    option) any later version.
+
+    cfMesh is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with cfMesh.  If not, see <http://www.gnu.org/licenses/>.
+
+Description
+    Creates surface patches from surface subsets
+
+\*---------------------------------------------------------------------------*/
+
+#include "argList.H"
+#include "Time.H"
+#include "triSurf.H"
+#include "triSurfaceCopyParts.H"
+#include "demandDrivenData.H"
+#include "OFstream.H"
+
+using namespace Foam;
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+void exportFeatureEdges
+(
+    const triSurf& origSurf,
+    const fileName& edgeFileName
+)
+{
+    OFstream file(edgeFileName);
+
+    const pointField& points = origSurf.points();
+    labelList newPointLabel(points.size(), -1);
+    label nPoints(0);
+
+    const edgeLongList& featureEdges = origSurf.featureEdges();
+    forAll(featureEdges, feI)
+    {
+        const edge& e = featureEdges[feI];
+
+        if( newPointLabel[e[0]] == -1 )
+            newPointLabel[e[0]] = nPoints++;
+        if( newPointLabel[e[1]] == -1 )
+            newPointLabel[e[1]] = nPoints++;
+    }
+
+    pointField pCopy(nPoints);
+    forAll(newPointLabel, pI)
+    {
+        if( newPointLabel[pI] < 0 )
+            continue;
+
+        pCopy[newPointLabel[pI]] = points[pI];
+    }
+
+    //- write the header
+    file << "# vtk DataFile Version 3.0\n";
+    file << "vtk output\n";
+    file << "ASCII\n";
+    file << "DATASET POLYDATA\n";
+
+    //- write points
+    file << "POINTS " << pCopy.size() << " float\n";
+    forAll(pCopy, pI)
+    {
+        const point& p = pCopy[pI];
+        file << p.x() << ' ' << p.y() << ' ' << p.z() << '\n';
+    }
+
+    file << "\nLINES " << featureEdges.size()
+         << ' ' << 3*featureEdges.size() << nl;
+    forAll(featureEdges, edgeI)
+    {
+        const edge& e = featureEdges[edgeI];
+        file << "2 " << newPointLabel[e[0]]
+             << token::SPACE << newPointLabel[e[1]] << nl;
+    }
+    file << nl;
+
+    if( !file )
+        FatalErrorIn
+        (
+            "void exportFeatureEdges(const triSurf&, const fileName&)"
+        ) << "Writting of feature edges failed!" << exit(FatalError);
+}
+
+int main(int argc, char *argv[])
+{
+    argList::noParallel();
+    argList::validArgs.clear();
+
+    argList::validArgs.append("input surface file");
+    argList::validArgs.append("output surface file");
+    argList::validOptions.insert("exportSubsets", "");
+    argList::validOptions.insert("exportFeatureEdges", "");
+    argList args(argc, argv);
+
+    fileName inFileName(args.args()[1]);
+    fileName outFileName(args.args()[2]);
+
+    fileName outFileNoExt = outFileName.lessExt();
+    fileName outExtension = outFileName.ext();
+
+    Info << "Out file no ext " << outFileNoExt << endl;
+    Info << "Extension " << outExtension << endl;
+
+    //- read the inout surface
+    triSurf origSurf(inFileName);
+
+    //- write the surface in the requated format
+    origSurf.writeSurface(outFileName);
+
+    //- export surface subsets as separate surface meshes
+    if( args.options().found("exportSubsets") )
+    {
+        DynList<label> subsetIDs;
+        origSurf.facetSubsetIndices(subsetIDs);
+
+        triSurfaceCopyParts copyParts(origSurf);
+
+        forAll(subsetIDs, subsetI)
+        {
+            //- get the name of the subset
+            triSurf copySurf;
+            wordList subsetName(1);
+            subsetName[0] = origSurf.facetSubsetName(subsetIDs[subsetI]);
+
+            //- create a surface mesh corresponding to the subset
+            copyParts.copySurface(subsetName, copySurf);
+
+            //- write the mesh on disk
+            fileName fName = outFileNoExt+"_facetSubset_"+subsetName[0];
+            fName += '.'+outExtension;
+
+            copySurf.writeSurface(fName);
+        }
+    }
+
+    if( args.options().found("exportFeatureEdges") )
+    {
+        fileName fName = outFileNoExt+"_featureEdges";
+        fName += ".vtk";
+        exportFeatureEdges(origSurf, fName);
+    }
+
+    Info << "End\n" << endl;
+    return 0;
+}
+
+// ************************************************************************* //

applications/utilities/mesh/cfMesh/FMSToSurface/Make/files

@@ -0,0 +1,3 @@
+FMSToSurface.C
+
+EXE = $(FOAM_APPBIN)/FMSToSurface

applications/utilities/mesh/cfMesh/FMSToSurface/Make/options

@@ -0,0 +1,9 @@
+EXE_INC = \
+    -I$(FOAM_SRC)/mesh/cfMesh/meshLibrary/lnInclude \
+    -I$(FOAM_SRC)/meshTools/lnInclude \
+    -I$(FOAM_SRC)/triSurface/lnInclude
+
+EXE_LIBS = \
+    -ltriSurface \
+    -lmeshTools \
+    -lmeshLibrary

applications/utilities/mesh/cfMesh/FMSToVTK/FMSToVTK.C

@@ -0,0 +1,545 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | cfMesh: A library for mesh generation
+   \\    /   O peration     |
+    \\  /    A nd           | Author: Franjo Juretic (franjo.juretic@c-fields.com)
+     \\/     M anipulation  | Copyright (C) Creative Fields, Ltd.
+-------------------------------------------------------------------------------
+License
+    This file is part of cfMesh.
+
+    cfMesh is free software; you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by the
+    Free Software Foundation; either version 3 of the License, or (at your
+    option) any later version.
+
+    cfMesh is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with cfMesh.  If not, see <http://www.gnu.org/licenses/>.
+
+Description
+    cfMesh utility to convert a surface file to VTK multiblock dataset
+    format, including the patches, feature edges and surface features.
+
+Author
+    Ivor Clifford <ivor.clifford@psi.ch>
+
+\*---------------------------------------------------------------------------*/
+
+#include "argList.H"
+#include "autoPtr.H"
+#include "OFstream.H"
+#include "triSurf.H"
+#include "triSurfModifier.H"
+#include "xmlTag.H"
+
+using namespace Foam;
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+//- Write the supplied pointList in serial vtkPolyData format
+void writePointsToVTK
+(
+    const fileName& fn,
+    const string& title,
+    const UList<point>& points
+)
+{
+    xmlTag xmlRoot("VTKFile");
+    xmlRoot.addAttribute("type", "PolyData");
+    
+    xmlTag& xmlPolyData = xmlRoot.addChild("PolyData");
+    
+    xmlTag& xmlPiece = xmlPolyData.addChild("Piece");
+    xmlPiece.addAttribute("NumberOfPoints", points.size());
+    
+    xmlTag& xmlPoints = xmlPiece.addChild("Points");
+    
+    xmlTag& xmlPointData = xmlPoints.addChild("DataArray");
+    xmlPointData.addAttribute("type", "Float32");
+    xmlPointData.addAttribute("NumberOfComponents", 3);
+    xmlPointData.addAttribute("format", "ascii");
+    xmlPointData << points;
+    
+    OFstream os(fn);
+    os << xmlRoot << endl;
+    
+    Info << "Created " << fn << endl;
+}
+
+
+//- Write the supplied addressed pointList in serial vtkPolyData format
+void writePointsToVTK
+(
+    const fileName& fn,
+    const string& title,
+    const UList<point>& points,
+    unallocLabelList& addr
+)
+{
+    // Create subaddressed points
+    pointField newPoints(addr.size());
+    
+    forAll(addr, i)
+    {
+        newPoints[i] = points[addr[i]];
+    }
+    
+    writePointsToVTK
+    (
+        fn,
+        title,
+        newPoints
+    );
+}
+
+
+//- Write the supplied edgeList in serial vtkPolyData format
+void writeEdgesToVTK
+(
+    const fileName& fn,
+    const string& title,
+    const UList<point>& points,
+    const LongList<edge>& edges
+)
+{
+    labelList connectivity(edges.size());
+    
+    forAll(edges, edgeI)
+    {
+        connectivity[edgeI] = 2*(edgeI+1);
+    }
+    
+    xmlTag xmlRoot("VTKFile");
+    xmlRoot.addAttribute("type", "PolyData");
+    
+    xmlTag& xmlPolyData = xmlRoot.addChild("PolyData");
+    
+    xmlTag& xmlPiece = xmlPolyData.addChild("Piece");
+    xmlPiece.addAttribute("NumberOfPoints", points.size());
+    xmlPiece.addAttribute("NumberOfLines", edges.size());
+    
+    xmlTag& xmlPoints = xmlPiece.addChild("Points");
+    
+    xmlTag& xmlPointData = xmlPoints.addChild("DataArray");
+    xmlPointData.addAttribute("type", "Float32");
+    xmlPointData.addAttribute("NumberOfComponents", 3);
+    xmlPointData.addAttribute("format", "ascii");
+    xmlPointData << points;
+
+    xmlTag& xmlEdges = xmlPiece.addChild("Lines");
+
+    xmlTag& xmlEdgeData = xmlEdges.addChild("DataArray");
+    xmlEdgeData.addAttribute("type", "Int32");
+    xmlEdgeData.addAttribute("Name", "connectivity");
+    xmlEdgeData.addAttribute("format", "ascii");
+    xmlEdgeData << edges;
+
+    xmlTag& xmlConnectData = xmlEdges.addChild("DataArray");
+    xmlConnectData.addAttribute("type", "Int32");
+    xmlConnectData.addAttribute("Name", "offsets");
+    xmlConnectData.addAttribute("format", "ascii");
+    xmlConnectData << connectivity;
+    
+    OFstream os(fn);
+    os << xmlRoot << endl;
+
+    Info << "Created " << fn << endl;
+}
+
+//- Write the supplied edgeList subset in serial vtkPolyData format
+void writeEdgesToVTK
+(
+    const fileName& fn,
+    const string& title,
+    const UList<point>& points,
+    const LongList<edge>& edges,
+    const unallocLabelList& addr
+)
+{
+    // Remove unused points and create subaddressed edges
+    DynamicList<point> newPoints;
+    labelList newPointAddr(points.size(), -1);
+    LongList<edge> newEdges(addr.size());
+    
+    forAll(addr, addrI)
+    {
+        label edgeI = addr[addrI];
+        
+        const edge& curEdge = edges[edgeI];
+        edge& newEdge = newEdges[addrI];
+        
+        forAll(curEdge, i)
+        {
+            label pointId = curEdge[i];
+            
+            if (newPointAddr[pointId] == -1)
+            {
+                newPoints.append(points[pointId]);
+                newPointAddr[pointId] = newPoints.size()-1;
+            }
+            
+            newEdge[i] = newPointAddr[pointId];
+        }
+    }
+    
+    writeEdgesToVTK
+    (
+        fn,
+        title,
+        newPoints,
+        newEdges
+    );
+}
+
+
+//- Write the supplied facet list in serial vtkPolyData format
+void writeFacetsToVTK
+(
+    const fileName& fn,
+    const string& title,
+    const UList<point>& points,
+    const LongList<labelledTri>& facets
+)
+{
+    labelList connectivity(facets.size());
+    
+    forAll(facets, faceI)
+    {
+        connectivity[faceI] = 3*(faceI+1);
+    }
+    
+    labelList regionData(facets.size());
+    
+    forAll(facets, faceI)
+    {
+        regionData[faceI] =  facets[faceI].region();
+    }
+    
+    xmlTag xmlRoot("VTKFile");
+    xmlRoot.addAttribute("type", "PolyData");
+    
+    xmlTag& xmlPolyData = xmlRoot.addChild("PolyData");
+    
+    xmlTag& xmlPiece = xmlPolyData.addChild("Piece");
+    xmlPiece.addAttribute("NumberOfPoints", points.size());
+    xmlPiece.addAttribute("NumberOfPolys", facets.size());
+    
+    xmlTag& xmlPoints = xmlPiece.addChild("Points");
+    
+    xmlTag& xmlPointData = xmlPoints.addChild("DataArray");
+    xmlPointData.addAttribute("type", "Float32");
+    xmlPointData.addAttribute("NumberOfComponents", 3);
+    xmlPointData.addAttribute("format", "ascii");
+    xmlPointData << points;
+
+    xmlTag& xmlPolys = xmlPiece.addChild("Polys");
+
+    xmlTag& xmlPolyDataArray = xmlPolys.addChild("DataArray");
+    xmlPolyDataArray.addAttribute("type", "Int32");
+    xmlPolyDataArray.addAttribute("Name", "connectivity");
+    xmlPolyDataArray.addAttribute("format", "ascii");
+    xmlPolyDataArray << facets;
+
+    xmlTag& xmlConnectData = xmlPolys.addChild("DataArray");
+    xmlConnectData.addAttribute("type", "Int32");
+    xmlConnectData.addAttribute("Name", "offsets");
+    xmlConnectData.addAttribute("format", "ascii");
+    xmlConnectData << connectivity;
+    
+    xmlTag& xmlCellData = xmlPiece.addChild("CellData");
+    
+    xmlTag& xmlCellDataArray = xmlCellData.addChild("DataArray");
+    xmlCellDataArray.addAttribute("type", "Int32");
+    xmlCellDataArray.addAttribute("Name", "region");
+    xmlCellDataArray.addAttribute("format", "ascii");
+    xmlCellDataArray << regionData;
+    
+    OFstream os(fn);
+    os << xmlRoot << endl;
+    
+    Info << "Created " << fn << endl;
+}
+
+
+//- Write an addressed subset of the supplied facet list
+//-  in serial vtkPolyData format
+void writeFacetsToVTK
+(
+    const fileName& fn,
+    const string& title,
+    const pointField& points,
+    const LongList<labelledTri>& facets,
+    const unallocLabelList& addr
+)
+{        
+    // Remove unused points and create subaddressed facets
+    DynamicList<point> newPoints;
+    labelList newPointAddr(points.size(), -1);
+    LongList<labelledTri> newFacets(addr.size());
+    
+    forAll(addr, addrI)
+    {
+        label faceI = addr[addrI];
+        
+        const labelledTri& facet = facets[faceI];
+        const FixedList<label, 3>& pointIds = facet;
+        FixedList<label, 3> newPointIds;
+        
+        forAll(pointIds, i)
+        {
+            label pointId = pointIds[i];
+            
+            if (newPointAddr[pointId] == -1)
+            {
+                newPoints.append(points[pointId]);
+                newPointAddr[pointId] = newPoints.size()-1;
+            }
+            
+            newPointIds[i] = newPointAddr[pointId];
+        }
+        
+        newFacets[addrI] = labelledTri
+        (
+            newPointIds[0],
+            newPointIds[1],
+            newPointIds[2],
+            facet.region()
+        );
+    }
+    
+    writeFacetsToVTK
+    (
+        fn,
+        title,
+        newPoints,
+        newFacets
+    );
+}
+
+
+int main(int argc, char *argv[])
+{
+    argList::noParallel();
+    argList::validArgs.clear();
+
+    argList::validArgs.append("input surface file");
+    argList::validArgs.append("output prefix");
+    argList args(argc, argv);
+
+    // Process commandline arguments
+    fileName inFileName(args.args()[1]);
+    fileName outPrefix(args.args()[2]);
+    
+    // Read original surface
+    triSurf origSurf(inFileName);
+    
+    const pointField& points = origSurf.points();
+    const LongList<labelledTri>& facets = origSurf.facets();
+    const LongList<edge>& edges = origSurf.featureEdges();
+    const geometricSurfacePatchList& patches = origSurf.patches();
+    
+    label index = 0;
+    
+    // Create file structure for multiblock dataset
+    mkDir(outPrefix);
+    mkDir(outPrefix + "/patches");
+    mkDir(outPrefix + "/pointSubsets");
+    mkDir(outPrefix + "/edgeSubsets");
+    mkDir(outPrefix + "/faceSubsets");
+    
+    // Create VTK multiblock dataset file
+    xmlTag xmlRoot("VTKFile");
+    xmlRoot.addAttribute("type", "vtkMultiBlockDataSet");
+    xmlRoot.addAttribute("version", "1.0");
+    xmlRoot.addAttribute("byte_order", "LittleEndian");
+    
+    xmlTag& xmlDataSet = xmlRoot.addChild("vtkMultiBlockDataSet");
+        
+    // Write faces and feature edges
+    {
+        fileName fn = outPrefix / "facets.vtp";
+        
+        writeFacetsToVTK
+        (
+            outPrefix / "facets.vtp",
+            outPrefix,
+            points,
+            facets
+        );
+        
+        xmlTag& tag = xmlDataSet.addChild("DataSet");
+        tag.addAttribute("index", Foam::name(index++));
+        tag.addAttribute("name", "facets");
+        tag.addAttribute("file", fn);
+    }
+    
+    {
+        fileName fn = outPrefix / "featureEdges.vtp";
+        
+        writeEdgesToVTK
+        (
+            outPrefix / "featureEdges.vtp",
+            "featureEdges",
+            points,
+            edges
+        );
+    
+        xmlTag& tag = xmlDataSet.addChild("DataSet");
+        tag.addAttribute("index", Foam::name(index++));
+        tag.addAttribute("name", "featureEdges");
+        tag.addAttribute("file", fn);
+    }
+    
+    // Write patches
+    // Create patch addressing
+    List<DynamicList<label> > patchAddr(patches.size());
+    
+    forAll(facets, faceI)
+    {
+        patchAddr[facets[faceI].region()].append(faceI);
+    }
+    
+    {
+        xmlTag& xmlBlock = xmlDataSet.addChild("Block");
+        xmlBlock.addAttribute("index", Foam::name(index++));
+        xmlBlock.addAttribute("name", "patches");
+        
+        forAll(patches, patchI)
+        {            
+            word patchName = patches[patchI].name();
+            
+            fileName fn = outPrefix / "patches" / patchName + ".vtp";
+            
+            writeFacetsToVTK
+            (
+                fn,
+                patchName,
+                points,
+                facets,
+                patchAddr[patchI]
+            );
+            
+            xmlTag& tag = xmlBlock.addChild("DataSet");
+            tag.addAttribute("index", Foam::name(patchI));
+            tag.addAttribute("name", patchName);
+            tag.addAttribute("file", fn);
+        }
+    }
+    
+    // Write point subsets
+    {
+        xmlTag& xmlBlock = xmlDataSet.addChild("Block");
+        xmlBlock.addAttribute("index", Foam::name(index++));
+        xmlBlock.addAttribute("name", "pointSubsets");
+        
+        DynList<label> subsetIndices;
+        labelList subsetAddr;
+        
+        origSurf.pointSubsetIndices(subsetIndices);
+        
+        forAll(subsetIndices, id)
+        {
+            word subsetName = origSurf.pointSubsetName(id);
+            origSurf.pointsInSubset(id, subsetAddr);
+            
+            fileName fn = outPrefix / "pointSubsets" / subsetName + ".vtp";
+            
+            writePointsToVTK
+            (
+                fn,
+                subsetName,
+                points,
+                subsetAddr
+            );
+            
+            xmlTag& tag = xmlBlock.addChild("DataSet");
+            tag.addAttribute("index", Foam::name(id));
+            tag.addAttribute("name", subsetName);
+            tag.addAttribute("file", fn);
+        }
+    }
+    
+    // Write edge subsets
+    {
+        xmlTag& xmlBlock = xmlDataSet.addChild("Block");
+        xmlBlock.addAttribute("index", Foam::name(index++));
+        xmlBlock.addAttribute("name", "edgeSubsets");
+        
+        DynList<label> subsetIndices;
+        labelList subsetAddr;
+        
+        origSurf.edgeSubsetIndices(subsetIndices);
+        
+        forAll(subsetIndices, id)
+        {
+            word subsetName = origSurf.edgeSubsetName(id);
+            origSurf.edgesInSubset(id, subsetAddr);
+            
+            fileName fn = outPrefix / "edgeSubsets" / subsetName + ".vtp";
+            
+            writeEdgesToVTK
+            (
+                fn,
+                subsetName,
+                points,
+                edges,
+                subsetAddr
+            );
+            
+            xmlTag& tag = xmlBlock.addChild("DataSet");
+            tag.addAttribute("index", Foam::name(id));
+            tag.addAttribute("name", subsetName);
+            tag.addAttribute("file", fn);
+        }
+    }
+    
+    // Write facet subsets
+    {
+        xmlTag& xmlBlock = xmlDataSet.addChild("Block");
+        xmlBlock.addAttribute("index", Foam::name(index++));
+        xmlBlock.addAttribute("name", "faceSubsets");
+        
+        DynList<label> subsetIndices;
+        labelList subsetAddr;
+                
+        origSurf.facetSubsetIndices(subsetIndices);
+        
+        forAll(subsetIndices, id)
+        {            
+            word subsetName = origSurf.facetSubsetName(id);
+            origSurf.facetsInSubset(id, subsetAddr);
+            
+            fileName fn = outPrefix / "faceSubsets"  / subsetName + ".vtp";
+            
+            writeFacetsToVTK
+            (
+                fn,
+                subsetName,
+                points,
+                facets,
+                subsetAddr
+            );
+            
+            xmlTag& tag = xmlBlock.addChild("DataSet");
+            tag.addAttribute("index", Foam::name(id));
+            tag.addAttribute("name", subsetName);
+            tag.addAttribute("file", fn);
+        }
+    }    
+        
+    OFstream os(outPrefix + ".vtm");
+    os << xmlRoot << endl;
+    
+    Info << "Created " << outPrefix + ".vtm" << endl;
+    
+    Info << "End\n" << endl;
+    
+    return 0;
+}
+
+// ************************************************************************* //

applications/utilities/mesh/cfMesh/FMSToVTK/Make/files

@@ -0,0 +1,3 @@
+FMSToVTK.C
+
+EXE = $(FOAM_APPBIN)/FMSToVTK

applications/utilities/mesh/cfMesh/FMSToVTK/Make/options

@@ -0,0 +1,9 @@
+EXE_INC = \
+    -I$(FOAM_SRC)/mesh/cfMesh/meshLibrary/lnInclude \
+    -I$(FOAM_SRC)/meshTools/lnInclude \
+    -I$(FOAM_SRC)/triSurface/lnInclude
+
+EXE_LIBS = \
+    -ltriSurface \
+    -lmeshLibrary \
+    -lmeshTools

applications/utilities/mesh/cfMesh/FMSToVTK/xmlTag.H

@@ -0,0 +1,297 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | foam-extend: Open Source CFD
+   \\    /   O peration     |
+    \\  /    A nd           | For copyright notice see file Copyright
+     \\/     M anipulation  |
+-------------------------------------------------------------------------------
+License
+    This file is part of foam-extend.
+
+    foam-extend is free software: you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by the
+    Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    foam-extend is distributed in the hope that it will be useful, but
+    WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with foam-extend.  If not, see <http://www.gnu.org/licenses/>.
+
+Class
+    Foam::xmlTag
+
+Description
+    Simple XML tag class allowing child tags and attributes. Specialized
+    output stream operators are provided to display or write the XML
+    structure.
+
+Author
+    Ivor Clifford <ivor.clifford@psi.ch>
+
+\*---------------------------------------------------------------------------*/
+
+#ifndef XMLtag_H
+#define XMLtag_H
+
+#include "OStringStream.H"
+#include "HashTable.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace Foam
+{
+
+/*---------------------------------------------------------------------------*\
+                          Class xmlTag Declaration
+\*---------------------------------------------------------------------------*/
+
+class xmlTag
+:
+    public OStringStream
+{
+    // Private data
+    
+        //- Tag name
+        word name_;
+        
+        //- Attributes
+        HashTable<string> attributes_;
+        
+        //- Child tags
+        DynamicList<xmlTag> children_;
+        
+public:
+
+    // Constructors
+
+        //- Null constructor
+        xmlTag()
+        :
+            OStringStream(),
+            name_("unknown"),
+            attributes_(),
+            children_()
+        {}
+        
+        //- Construct given tag name
+        xmlTag(const word& name)
+        :
+            OStringStream(),
+            name_(name),
+            attributes_(),
+            children_()
+        {}
+
+        //- Construct as copy
+        xmlTag(const xmlTag& tag)
+        :
+            OStringStream(tag),
+            name_(tag.name_),
+            attributes_(tag.attributes_),
+            children_(tag.children_)
+        {}
+
+    //- Destructor
+    ~xmlTag()
+    {}
+
+
+    // Member Functions
+    
+        //- Add an attribute
+        template<class T>
+        void addAttribute(const keyType& key, const T& value)
+        {
+            OStringStream os;
+            os << value;
+            attributes_.insert(key, os.str());
+        };
+        
+        //- Add a fileName attribute
+        void addAttribute(const keyType& key, const fileName& value)
+        {
+            attributes_.insert(key, value);
+        };
+        
+        //- Add a string attribute
+        void addAttribute(const keyType& key, const string& value)
+        {
+            attributes_.insert(key, value);
+        };
+
+        //- Add a word attribute
+        void addAttribute(const keyType& key, const word& value)
+        {
+            attributes_.insert(key, value);
+        };
+        
+        //- Add a child
+        xmlTag& addChild(const xmlTag& tag)
+        {
+            children_.append(tag);
+            
+            return children_[children_.size()-1];
+        };
+        
+        //- Create and add a new child
+        xmlTag& addChild(const word& name)
+        {
+            return addChild(xmlTag(name));
+        }
+
+    // Member Operators
+
+        void operator=(const xmlTag& tag)
+        {
+            name_ = tag.name_;
+            attributes_ = tag.attributes_;
+            children_ = tag.children_;            
+            OStringStream::rewind();
+            Foam::operator<<(*this, tag.str().c_str());
+        };
+        
+    // Friend IOstream Operators
+
+        friend Ostream& operator<<(Ostream&, const xmlTag&);
+        
+        template<class Form, class Cmpt, int nCmpt>
+        friend xmlTag& operator<<(xmlTag&, const VectorSpace<Form, Cmpt, nCmpt>&);
+        
+        friend xmlTag& operator<<(xmlTag&, const labelledTri&);
+        
+        template<class T, unsigned Size>
+        friend xmlTag& operator<<(xmlTag&, const FixedList<T, Size>&);
+
+        template<class T>
+        friend xmlTag& operator<<(xmlTag&, const LongList<T>&);
+        
+        template<class T>
+        friend xmlTag& operator<<(xmlTag&, const UList<T>&);
+};
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+//- Write the tag in XML format to the supplied output stream
+Ostream& operator<<(Ostream& os, const xmlTag& tag)
+{
+    // Tag name
+    os << indent << '<' << tag.name_;
+    
+    // Attributes and text
+    for
+    (
+        HashTable<string>::const_iterator iter = tag.attributes_.cbegin();
+        iter != tag.attributes_.cend();
+        ++iter
+    )
+    {
+        os << token::SPACE << iter.key() << '=' << iter();
+    }
+    
+    if (tag.str().size() || tag.children_.size())
+    {
+        os << '>' << nl;
+                
+        // Children
+        os.incrIndent();
+        
+        forAll(tag.children_, i)
+        {
+            os << tag.children_[i];
+        }
+        
+        os.decrIndent();
+        
+        // Tag text
+        os << tag.str().c_str();
+        
+        // Close tag
+        os << indent << "</" << tag.name_ << '>' << endl;
+    }
+    else
+    {
+        // Empty element tag
+        os << "/>" << endl;
+    }
+    return os;
+}
+
+
+//- Append the supplied data to the tag text
+template<class T>
+xmlTag& operator<<(xmlTag& tag, const UList<T>& data)
+{
+    forAll(data, i)
+    {
+        tag << data[i] << token::SPACE;
+    }
+    
+    tag << nl;
+    
+    return tag;
+}
+
+//- Append the supplied data to the tag text
+template<class T>
+xmlTag& operator<<(xmlTag& tag, const LongList<T>& data)
+{
+    forAll(data, i)
+    {
+        tag << data[i] << token::SPACE;
+    }
+    
+    tag << nl;
+    
+    return tag;
+}
+
+
+//- Append the supplied data to the tag text
+template<class Form, class Cmpt, int nCmpt>
+xmlTag& operator<<(xmlTag& tag, const VectorSpace<Form, Cmpt, nCmpt>& data)
+{
+    forAll(data, i)
+    {
+        tag << data[i] << token::SPACE;
+    }
+    
+    tag << nl;
+    
+    return tag;
+}
+
+//- Append the supplied data to the tag text
+template<class T, unsigned Size>
+xmlTag& operator<<(xmlTag& tag, const FixedList<T, Size>& data)
+{
+    forAll(data, i)
+    {
+        tag << data[i] << token::SPACE;
+    }
+    
+    tag << nl;
+    
+    return tag;
+}
+
+//- Append the supplied data to the tag text
+xmlTag& operator<<(xmlTag& tag, const labelledTri& data)
+{
+    const triFace& tFace = data;
+    
+    return tag << tFace;
+}
+    
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+} // End namespace Foam
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+#endif
+
+// ************************************************************************* //

applications/utilities/mesh/cfMesh/importSurfaceAsSubset/Make/files

@@ -0,0 +1,3 @@
+importSurfaceAsSubset.C
+
+EXE = $(FOAM_APPBIN)/importSurfaceAsSubset

applications/utilities/mesh/cfMesh/importSurfaceAsSubset/Make/options

@@ -0,0 +1,9 @@
+EXE_INC = \
+    -I$(FOAM_SRC)/mesh/cfMesh/meshLibrary/lnInclude \
+    -I$(LIB_SRC)/triSurface/lnInclude \
+    -I$(LIB_SRC)/meshTools/lnInclude
+
+EXE_LIBS = \
+    -ltriSurface \
+    -lmeshLibrary \
+    -lmeshTools

applications/utilities/mesh/cfMesh/importSurfaceAsSubset/importSurfaceAsSubset.C

@@ -0,0 +1,84 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | cfMesh: A library for mesh generation
+   \\    /   O peration     |
+    \\  /    A nd           | Author: Franjo Juretic (franjo.juretic@c-fields.com)
+     \\/     M anipulation  | Copyright (C) Creative Fields, Ltd.
+-------------------------------------------------------------------------------
+License
+    This file is part of cfMesh.
+
+    cfMesh is free software; you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by the
+    Free Software Foundation; either version 3 of the License, or (at your
+    option) any later version.
+
+    cfMesh is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with cfMesh.  If not, see <http://www.gnu.org/licenses/>.
+
+Description
+    Finds feature edges and corners of a triangulated surface
+
+\*---------------------------------------------------------------------------*/
+
+#include "argList.H"
+#include "IFstream.H"
+#include "fileName.H"
+#include "triSurf.H"
+#include "OFstream.H"
+#include "OSspecific.H"
+#include "demandDrivenData.H"
+#include "triSurfaceImportSurfaceAsSubset.H"
+#include <cstdlib>
+#include <sstream>
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+// Main program:
+using namespace Foam;
+
+int main(int argc, char *argv[])
+{
+    argList::noParallel();
+    argList::validArgs.clear();
+    argList::validArgs.append("master surface file");
+    argList::validArgs.append("import surface file");
+
+    argList args(argc, argv);
+
+    fileName inFileName(args.args()[1]);
+    fileName importFileName(args.args()[2]);
+
+    triSurf originalSurface(inFileName);
+
+    triSurf importedSurface(importFileName);
+
+    triSurfaceImportSurfaceAsSubset importSurf(originalSurface);
+
+    importSurf.addSurfaceAsSubset(importedSurface, importFileName.lessExt());
+
+    if( inFileName.ext() == "fms" )
+    {
+        originalSurface.writeSurface(inFileName);
+    }
+    else
+    {
+        fileName newName = inFileName.lessExt();
+        newName.append(".fms");
+        Warning << "Writting surface as " << newName
+            << " to preserve the subset!!" << endl;
+
+        originalSurface.writeSurface(newName);
+    }
+
+    Info << "End\n" << endl;
+
+    return 0;
+}
+
+
+// ************************************************************************* //

applications/utilities/mesh/cfMesh/improveSymmetryPlanes/Make/files

@@ -0,0 +1,3 @@
+improveSymmetryPlanes.C
+
+EXE = $(FOAM_APPBIN)/improveSymmetryPlanes

applications/utilities/mesh/cfMesh/improveSymmetryPlanes/Make/options

@@ -0,0 +1,7 @@
+EXE_INC = \
+    -I$(FOAM_SRC)/mesh/cfMesh/meshLibrary/lnInclude \
+    -I$(LIB_SRC)/meshTools/lnInclude
+
+EXE_LIBS = \
+    -lmeshTools \
+    -lmeshLibrary

applications/utilities/mesh/cfMesh/improveSymmetryPlanes/improveSymmetryPlanes.C

@@ -0,0 +1,57 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | cfMesh: A library for mesh generation
+   \\    /   O peration     |
+    \\  /    A nd           | Author: Franjo Juretic (franjo.juretic@c-fields.com)
+     \\/     M anipulation  | Copyright (C) Creative Fields, Ltd.
+-------------------------------------------------------------------------------
+License
+    This file is part of cfMesh.
+
+    cfMesh is free software; you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by the
+    Free Software Foundation; either version 3 of the License, or (at your
+    option) any later version.
+
+    cfMesh is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with cfMesh.  If not, see <http://www.gnu.org/licenses/>.
+
+Description
+    Ensures that all mesh points belonging to a symmetryPlane are
+    in a plane.
+
+\*---------------------------------------------------------------------------*/
+
+#include "argList.H"
+#include "Time.H"
+#include "polyMeshGenModifier.H"
+#include "symmetryPlaneOptimisation.H"
+
+using namespace Foam;
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+int main(int argc, char *argv[])
+{
+#   include "setRootCase.H"
+#   include "createTime.H"
+
+    polyMeshGen pmg(runTime);
+    pmg.read();
+
+    Info << "Starting optimisation of symmetry planes" << endl;
+    symmetryPlaneOptimisation(pmg).optimizeSymmetryPlanes();
+
+    Info << "Writing mesh" << endl;
+    pmg.write();
+
+    Info << "End\n" << endl;
+    return 0;
+}
+
+// ************************************************************************* //

applications/utilities/mesh/cfMesh/mergeSurfacePatches/Make/files

@@ -0,0 +1,3 @@
+mergeSurfacePatches.C
+
+EXE = $(FOAM_APPBIN)/mergeSurfacePatches

applications/utilities/mesh/cfMesh/mergeSurfacePatches/Make/options

@@ -0,0 +1,9 @@
+EXE_INC = \
+    -I$(FOAM_SRC)/mesh/cfMesh/meshLibrary/lnInclude \
+    -I$(FOAM_SRC)/meshTools/lnInclude \
+    -I$(FOAM_SRC)/triSurface/lnInclude
+
+EXE_LIBS = \
+    -ltriSurface \
+    -lmeshLibrary \
+    -lmeshTools

applications/utilities/mesh/cfMesh/mergeSurfacePatches/mergeSurfacePatches.C

@@ -0,0 +1,403 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | cfMesh: A library for mesh generation
+   \\    /   O peration     |
+    \\  /    A nd           | Author: Franjo Juretic (franjo.juretic@c-fields.com)
+     \\/     M anipulation  | Copyright (C) Creative Fields, Ltd.
+-------------------------------------------------------------------------------
+License
+    This file is part of cfMesh.
+
+    cfMesh is free software; you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by the
+    Free Software Foundation; either version 3 of the License, or (at your
+    option) any later version.
+
+    cfMesh is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with cfMesh.  If not, see <http://www.gnu.org/licenses/>.
+
+Description
+    cfMesh utility to merge the supplied list of patches onto a single
+    patch.
+
+Author
+    Ivor Clifford <ivor.clifford@psi.ch>
+
+\*---------------------------------------------------------------------------*/
+
+#include "argList.H"
+#include "autoPtr.H"
+#include "Time.H"
+#include "triSurf.H"
+#include "triSurfModifier.H"
+#include "demandDrivenData.H"
+#include "Pair.H"
+
+using namespace Foam;
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+// Find the supplied list of patch names and return a list of patch Ids
+void getPatchIds
+(
+    const triSurf& origSurf,
+    const wordList& patchNames,
+    DynamicList<label>& patchIds
+)
+{
+    const geometricSurfacePatchList& origPatches = origSurf.patches();
+    
+    // Create patch name map
+    HashSet<word> patchNameHash(patchNames);
+        
+    // Find selected patches
+    label nFound = 0;
+    forAll(origPatches, patchI)
+    {
+        if (patchNameHash.found(origPatches[patchI].name()))
+        {
+            patchIds.append(patchI);
+            nFound++;
+        }
+    }
+    
+    if (nFound != patchNames.size())
+    {
+        WarningIn("getPatchIds")
+            << "Not all supplied patch names were found on the surface mesh" << endl;
+    }
+}
+
+
+// Copy all face subsets from one triSurf to another
+void copyFaceSubsets
+(
+    const triSurf& origSurf,
+    triSurf& newSurf
+)
+{
+    DynList<label> subsetIds;
+    origSurf.facetSubsetIndices(subsetIds);
+    
+    forAll(subsetIds, subsetI)
+    {
+        label newSubsetId = newSurf.addFacetSubset
+        (
+            origSurf.facetSubsetName(subsetI)
+        );
+        
+        labelList origFaces;        
+        origSurf.facetsInSubset(subsetI, origFaces);
+        
+        forAll(origFaces, faceI)
+        {
+            newSurf.addFacetToSubset
+            (
+                newSubsetId,
+                origFaces[faceI]
+            );
+        }
+    }
+}
+
+
+// Copy all edge subsets from one triSurf to another
+void copyEdgeSubsets
+(
+    const triSurf& origSurf,
+    triSurf& newSurf
+)
+{
+    DynList<label> subsetIds;
+    origSurf.edgeSubsetIndices(subsetIds);
+    
+    forAll(subsetIds, subsetI)
+    {
+        label newSubsetId = newSurf.addEdgeSubset
+        (
+            origSurf.edgeSubsetName(subsetI)
+        );
+        
+        labelList origEdges;        
+        origSurf.edgesInSubset(subsetI, origEdges);
+        
+        forAll(origEdges, faceI)
+        {
+            newSurf.addEdgeToSubset
+            (
+                newSubsetId,
+                origEdges[faceI]
+            );
+        }
+    }
+}
+
+
+// Copy all point subsets from one triSurf to another
+void copyPointSubsets
+(
+    const triSurf& origSurf,
+    triSurf& newSurf
+)
+{
+    DynList<label> subsetIds;
+    origSurf.pointSubsetIndices(subsetIds);
+    
+    forAll(subsetIds, subsetI)
+    {
+        label newSubsetId = newSurf.addPointSubset
+        (
+            origSurf.pointSubsetName(subsetI)
+        );
+        
+        labelList origPoints;        
+        origSurf.pointsInSubset(subsetI, origPoints);
+        
+        forAll(origPoints, faceI)
+        {
+            newSurf.addPointToSubset
+            (
+                newSubsetId,
+                origPoints[faceI]
+            );
+        }
+    }
+}
+
+
+// Merge the supplied list of patchIds onto a new patch
+autoPtr<triSurf> mergeSurfacePatches
+(
+    const triSurf& origSurf,        // Surface
+    const UList<label>& patchIds,   // Ids of patches to merge
+    const word& newPatchName,       // Name of new (merged) patch
+    bool keepPatches                // Keep the original patches - they will be emptied
+)
+{
+    const geometricSurfacePatchList& origPatches = origSurf.patches();
+    const LongList<labelledTri>& origFacets = origSurf.facets();
+    
+    label newPatchId = origPatches.size();
+    
+    // Determine new patch type
+    word newPatchType = origPatches[patchIds[0]].geometricType();
+    
+    // Create patch addressing
+    List<DynamicList<label> > patchAddr(origPatches.size()+1);
+    
+    forAll(origFacets, faceI)
+    {
+        patchAddr[origFacets[faceI].region()].append(faceI);
+    }
+    
+    // Move selected patches to new patch
+    forAll(patchIds, patchI)
+    {
+        patchAddr[newPatchId].append(patchAddr[patchIds[patchI]]);
+        patchAddr[patchIds[patchI]].clear();
+    }
+
+    // Create new facets list
+    LongList<labelledTri> newFacets(origFacets.size());
+    labelList newFaceAddr(origFacets.size(), -1);
+    
+    label patchCount = 0;
+    label faceI = 0;
+    forAll(patchAddr, patchI)
+    {
+        const unallocLabelList& addr = patchAddr[patchI];
+        
+        if(addr.size())
+        {
+            forAll(addr, i)
+            {
+                newFacets[faceI] = origFacets[addr[i]];
+                newFacets[faceI].region() = patchCount;
+                
+                newFaceAddr[addr[i]] = faceI;
+                
+                faceI++;
+            }
+        }
+        
+        if(addr.size() || keepPatches)
+        {
+            patchCount++;
+        }
+    }
+    
+    // Create new patch list
+    geometricSurfacePatchList newPatches(patchCount);
+    
+    patchCount = 0;
+    forAll(origPatches, patchI)
+    {
+        // Only add patches if they contain faces
+        if(patchAddr[patchI].size())
+        {
+            newPatches[patchCount] = origPatches[patchI];
+            newPatches[patchCount].index() = patchCount;
+        }
+        
+        if(patchAddr[patchI].size() || keepPatches)
+        {
+            patchCount++;
+        }
+    }
+        
+    // Add new patch if it contains faces
+    if(patchAddr[patchAddr.size()-1].size())
+    {
+        newPatches[patchCount] = geometricSurfacePatch
+        (
+            newPatchType,
+            newPatchName,
+            patchCount
+        );
+    }
+    if(patchAddr[patchAddr.size()-1].size() || keepPatches)
+    {
+        patchCount++;
+    }
+    
+    // Create new surface
+    autoPtr<triSurf> newSurf
+    (
+        new triSurf
+        (
+            newFacets,
+            newPatches,
+            origSurf.featureEdges(),
+            origSurf.points()
+        )
+    );
+    
+    // Transfer face subsets
+    copyFaceSubsets(origSurf, newSurf());
+    newSurf->updateFacetsSubsets(newFaceAddr);
+    
+    // Transfer feature edge subsets
+    copyEdgeSubsets(origSurf, newSurf());
+    
+    // Transfer point subsets
+    copyPointSubsets(origSurf, newSurf());
+    
+    // Done
+    return newSurf;
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+int main(int argc, char *argv[])
+{
+    argList::noParallel();
+    argList::validArgs.clear();
+
+    argList::validArgs.append("input surface file");
+    argList::validArgs.append("new patch");
+    argList::validOptions.insert("patchNames", "list of names");
+    argList::validOptions.insert("patchIds", "list of patchIds");
+    argList::validOptions.insert("patchIdRange", "( start end )");
+    argList::validOptions.insert("output", "file name (default overwrite)");
+    argList::validOptions.insert("keep", "");
+    argList args(argc, argv);
+
+    // Process commandline arguments
+    fileName inFileName(args.args()[1]);
+    
+    word newPatchName(args.args()[2]);
+
+    fileName outFileName(inFileName);
+    
+    if( args.options().found("output") )
+    {
+        outFileName = args.options()["output"];
+    }
+
+    bool keepPatches = false;
+    
+    if( args.options().found("keep") )
+    {
+        keepPatches = true;
+    }
+
+    // Read original surface
+    triSurf origSurf(inFileName);
+    
+    // Get patch ids
+    DynamicList<label> patchIds;
+    
+    if (args.options().found("patchNames"))
+    {
+        if (args.options().found("patchIds"))
+        {
+            FatalError() << "Cannot specify both patch names and ids"
+                << Foam::abort(FatalError);
+        }
+        
+        IStringStream is(args.options()["patchNames"]);
+        wordList patchNames(is);
+        
+        getPatchIds
+        (
+            origSurf,
+            patchNames,
+            patchIds
+        );
+    }
+    if (args.options().found("patchIds"))
+    {
+        IStringStream is(args.options()["patchIds"]);
+        
+        patchIds = labelList(is);
+    }
+    if (args.options().found("patchIds"))
+    {
+        IStringStream is(args.options()["patchIds"]);
+        
+        patchIds.append(labelList(is));
+    }
+    if (args.options().found("patchIdRange"))
+    {
+        IStringStream is(args.options()["patchIdRange"]);
+        
+        Pair<label> idRange(is);
+        
+        for(label id = idRange.first(); id <= idRange.second(); id++)
+        {
+            patchIds.append(id);
+        }
+    }    
+    if (!patchIds.size())
+    {
+        FatalError() << "No patches specified"
+            << Foam::abort(FatalError);
+    }
+    
+    // Merge patches
+    autoPtr<triSurf> newSurf = mergeSurfacePatches
+    (
+        origSurf,
+        patchIds,
+        newPatchName,
+        keepPatches
+    );
+    
+    // Write new surface mesh
+    newSurf->writeSurface(outFileName);
+    
+    Info << "Original surface patches: " << origSurf.patches().size() << endl;
+    Info << "Final surface patches: " << newSurf->patches().size() << endl;
+    Info << "Surface written to " << outFileName <<  endl;
+    
+    Info << "End\n" << endl;
+    
+    return 0;
+}
+
+// ************************************************************************* //

applications/utilities/mesh/cfMesh/python/Salome/extractFeatureEdges.py

@@ -0,0 +1,131 @@
+#!python
+# =============================================================================
+# Salome GEOM script to extract the feature edges from a body and add them
+# to the group named 'featureEdges'.
+# Tested on Salome 7.4.0 and python 2.7 on 64-bit Windows
+#
+# Author: Ivor Clifford <ivor.clifford@psi.ch>
+#
+# =============================================================================
+
+def extractFeatureEdges(body, minFeatureAngle = 5):
+    '''
+    Find all feature edges on the supplied body and return them as a list
+    of edge ids.
+
+        body - A Salome solid, compound, shell or face object to find all
+                feature edges on.
+        minFeatureAngle - the angle (in degrees) between adjacent surfaces
+                above which the edge will be considered a feature angle.
+    '''
+    import salome
+    salome.salome_init()
+
+    import GEOM
+    from salome.geom import geomBuilder
+    geompy = geomBuilder.New(salome.myStudy)
+    
+    # Check the body type
+    if not (body.GetShapeType() in [GEOM.SHELL, GEOM.SOLID, GEOM.FACE, GEOM.COMPOUND]):
+       raise RuntimeError('Supplied object is not a solid, shell or face.')
+    
+    print 'Extracting edges of %s with feature angle > %g.' % (body.GetName(), minFeatureAngle)
+    
+    # Extract basic info
+    faces = geompy.SubShapeAll(body, geompy.ShapeType["FACE"])
+    curves = geompy.SubShapeAll(body, geompy.ShapeType["EDGE"])
+    points = geompy.SubShapeAll(body, geompy.ShapeType["VERTEX"])
+    
+    faceIds = geompy.GetSubShapesIDs(body, faces)
+    curveIds = geompy.GetSubShapesIDs(body, curves)
+    nodeIds = geompy.GetSubShapesIDs(body, points)
+    
+    maxFaceId = max(faceIds)
+    maxCurveId = max(curveIds)
+    maxNodeId = max(nodeIds)
+    
+    # Reverse mapping from curve id to local curve arrays
+    faceMap = [-1 for i in xrange(maxFaceId+1)]
+    for localId, id in enumerate(faceIds):
+        faceMap[id] = localId
+    
+    curveMap = [-1 for i in xrange(maxCurveId+1)]
+    for localId, id in enumerate(curveIds):
+        curveMap[id] = localId
+    
+    nodeMap = [-1 for i in xrange(maxNodeId+1)]
+    for localId, id in enumerate(nodeIds):
+        nodeMap[id] = localId
+    
+    
+    # Get curves on each face
+    faceCurveIds = [[curveMap[id] for id in geompy.GetSubShapesIDs(
+            body,
+            geompy.SubShapeAll(face, geompy.ShapeType["EDGE"])
+        )] for face in faces]
+    
+    # Get faces attached to each curve
+    curveFaceIds = [[] for id in curveIds]
+    
+    for faceI, ids in enumerate(faceCurveIds):
+        for id in ids:
+            curveFaceIds[id].append(faceI)
+    
+    # Now that we have the connectivity for curves and faces find the
+    # feature edges
+    featureEdgeIds = []
+    for curveId, curve, adjFaceIds in zip(curveIds, curves, curveFaceIds):
+        if len(adjFaceIds) == 2:
+            # Curve with 2 adjacent faces - Test feature angle
+            # Determine break angle at each curve
+            # If greater than the feature edge angle, add the curve to group featureEdges
+            face1 = faces[adjFaceIds[0]]
+            face2 = faces[adjFaceIds[1]]
+            point = geompy.GetFirstVertex(curve)    # Test at the first vertex
+            n1 = geompy.GetNormal(face1, point)
+            n2 = geompy.GetNormal(face2, point)
+            angle = geompy.GetAngle(n1, n2)
+            if angle > minFeatureAngle:
+                featureEdgeIds.append(curveId)
+        
+        elif len(adjFaceIds) == 1:
+            # Curve on standalone face - Add by default
+            featureEdgeIds.append(curveId)
+        
+        elif len(adjFaceIds) == 0:
+            # Standalone curve - Ignore
+            None
+        
+        else:
+            raise RuntimeError('Curve found sharing %d faces. This is unexpected for fully enclosed bodies.' % len(adjFaceIds))
+    
+    # Done
+    print "%d feature edges found" % len(featureEdgeIds)
+    
+    return featureEdgeIds
+
+
+# If run as a standalone script, use the current Salome GUI selection
+# and add the feature edges to group named 'featureEdges'
+if __name__ == '__main__':
+    import salome
+    salome.salome_init()
+    
+    import GEOM
+    from salome.geom import geomBuilder
+    geompy = geomBuilder.New(salome.myStudy)
+    
+    # Get current GUI selection
+    selected = salome.sg.getAllSelected()
+    if len(selected) != 1:
+        raise RuntimeError('A single solid, shell or face object must be selected.')
+    
+    body = salome.myStudy.FindObjectID(selected[0]).GetObject()
+    
+    # Get feature edges and add to the group 'featureEdges'
+    featureEdges = geompy.CreateGroup(body, geompy.ShapeType["EDGE"])
+    geompy.UnionIDs(featureEdges, extractFeatureEdges(body))
+    geompy.addToStudyInFather(body, featureEdges, 'featureEdges')
+    
+    if salome.sg.hasDesktop():
+        salome.sg.updateObjBrowser(1)

applications/utilities/mesh/cfMesh/python/Salome/salomeTriSurf.py

@@ -0,0 +1,363 @@
+#!python
+# =============================================================================
+# Python module for writing OpenFOAM feature edge and triSurface files from
+# within Salome platform.
+# Tested on Salome 7.4.0 and python 2.7 on 64-bit Windows
+#
+# Author: Ivor Clifford <ivor.clifford@psi.ch>
+#
+# =============================================================================
+
+def foamHeader(className, objectName):
+    '''
+    Return the OpenFOAM file header block as a string.
+    '''
+    return '''/*--------------------------------*- C++ -*----------------------------------*\\
+| =========                 |                                                 |
+| \\\\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\\\    /   O peration     | Version:  2.2.1                                 |
+|   \\\\  /    A nd           | Web:      www.OpenFOAM.org                      |
+|    \\\\/     M anipulation  |                                                 |
+\\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       %s;
+    object      %s;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+''' % (className, objectName)
+
+
+class triSurf:
+    def __init__(self, object = None, allEdges = False):
+        '''
+        Construct from the supplied Salome mesh.
+
+            object - the mesh object (must be a triangular surface mesh). If no
+                    object is supplied, the current Salome selection is used.
+            allEdges - If true, all edges on the mesh are included as feature
+                    edges, otherwise only edges contained in groups are included
+
+        NOTE: All face groups are assumed to represent patches. No face subsets
+        are written. All edge groups are added as feature edge subsets. All point
+        groups are added as point subsets.
+        '''
+        # =============================================================================
+        # Initialize salome
+        import salome
+        import SMESH, SALOMEDS
+        from salome.smesh import smeshBuilder
+        from operator import itemgetter
+        from collections import OrderedDict
+        
+        import SMESH, SALOMEDS
+        
+        # =============================================================================
+        # Get the Salome mesh object
+        if object is None:
+            selected = salome.sg.getAllSelected()
+            if len(selected) != 1:
+                raise RuntimeError('A single Salome mesh object must be selected.')
+            
+            object = salome.myStudy.FindObjectID(selected[0]).GetObject()
+        
+        try:
+            object.GetMesh()
+        except:
+            raise RuntimeError('Supplied object is not a Salome SMESH mesh.')
+        
+        smesh = smeshBuilder.New(salome.myStudy)
+        mesh = smesh.Mesh(object)
+        
+        print "Converting SMESH Mesh '%s'" % mesh.GetName()
+        
+        # =============================================================================
+        # Get basic mesh info
+        nNodes = mesh.NbNodes()
+        nFaces = mesh.NbFaces()
+        nTris = mesh.NbTriangles()
+        nEdges = mesh.NbEdges()
+        nodeIds = mesh.GetNodesId()
+        faceIds = mesh.GetElementsByType(SMESH.FACE)
+        edgeIds = mesh.GetElementsByType(SMESH.EDGE)
+        
+        # Check that mesh is strictly triangular
+        if nFaces != nTris:
+            raise RuntimeError('Mesh is not strictly triangular')
+        
+        # Get patch and subset names & ids
+        # All SMESH.FACE groups are assumed to be patches
+        # All SMESH.EDGE groups are assumed to be feature subsets
+        # All SMESH.NODE groups are assumed to be point subsets
+        patches = OrderedDict()
+        pointSubsets = OrderedDict()
+        featureEdgeSubsets = OrderedDict()
+        
+        for group in mesh.GetGroups():
+            if group.GetType() == SMESH.FACE:
+                patches[group.GetName()] = group.GetIDs()
+            elif group.GetType() == SMESH.EDGE:
+                featureEdgeSubsets[group.GetName()] = group.GetIDs()
+            elif group.GetType() == SMESH.NODE:
+                pointSubsets[group.GetName()] = group.GetIDs()
+        
+        # =============================================================================
+        # Process faces and patches
+        # Get patchId for each face
+        lastPatchId = len(patches)
+        patchIds = [lastPatchId] * max(faceIds)
+        patchId = 0
+        for name, ids in patches.iteritems():
+            for faceId in ids:
+                if patchIds[faceId-1] == lastPatchId:
+                    patchIds[faceId-1] = patchId
+                else:
+                    print "Face %d is assigned to both groups %s and %s" % (faceId, name, patches.keys()[patchIds[faceId-1]])
+                    raise RuntimeError('Groups of faces are not unique, i.e. they overlap.')
+                
+            patchId += 1
+        
+        # Compact and reorder patchIds to match faceIds
+        patchIds = [patchIds[faceId-1] for faceId in faceIds]
+        
+        # Reorder faces by increasing group id
+        faceAndpatchIds = sorted(zip(faceIds, patchIds), key=itemgetter(1))
+        faceIds, patchIds = zip(*faceAndpatchIds)
+        
+        # Add unused faces to the default patch
+        defaultFaces = [faceId for faceId, patchId in faceAndpatchIds if patchId == lastPatchId]
+        if len(defaultFaces) > 0:
+            patches['defaultFaces'] = defaultFaces
+        
+        defaultFaces = None
+        
+        # =============================================================================
+        # Process feature edges
+        if not allEdges:
+            edgeIds = []
+            for name, ids in featureEdgeSubsets.iteritems():
+                edgeIds += ids
+            
+            edgeIds = list(set(edgeIds))
+            nEdges = len(edgeIds)
+        
+        # Reverse mapping of edge ids since they aren't necessarily numbered 1..nEdges
+        if len(edgeIds):
+            edgeMap = [-1] * max(edgeIds)
+        else:
+            edgeMap = []
+        
+        i=0
+        for edgeId in edgeIds:
+            edgeMap[edgeId-1] = i
+            i += 1
+        
+        # =============================================================================
+        # Process nodes
+        # Reverse mapping of node ids since nodes aren't necessarily numbered 1..nNodes
+        nodeMap = [-1] * max(nodeIds)
+        i=0
+        for nodeId in nodeIds:
+            nodeMap[nodeId-1] = i
+            i += 1
+        
+        # =============================================================================
+
+        self._mesh = mesh
+        
+        self._nodeIds = nodeIds
+        self._edgeIds = edgeIds
+        self._faceIds = faceIds
+        
+        self._nodeMap = nodeMap
+        self._edgeMap = edgeMap
+        self._faceMap = []
+        
+        self._patches = patches
+        self._pointSubsets = pointSubsets
+        self._featureEdgeSubsets = featureEdgeSubsets
+        self._faceSubsets = {}
+        
+        print 'Done'
+    
+    def nNodes(self):
+        '''
+        Return the number of nodes
+        '''
+        return len(self._nodeIds)
+    
+    def nEdges(self):
+        '''
+        Return the number of edges
+        '''
+        return len(self._edgeIds)
+    
+    def nFacets(self):
+        '''
+        Return the number of triangular facets
+        '''
+        return len(self._faceIds)
+    
+    def nPatches(self):
+        '''
+        Return the number of patches
+        '''
+        return len(self._patches)
+    
+    def _writePatchDefs(self, f, typeName = 'wall'):
+        '''
+        Write the patch definitions to file as an OpenFOAM geometricSurfacePatchList.
+        NOTE: All patches are assumed to be walls.
+        '''
+        patches = self._patches
+        
+        f.write('%d\n(\n' % len(patches))
+        for name in patches.iterkeys():
+            f.write('%s\t%s\n' % (name, typeName))
+        
+        f.write(')\n')
+    
+    def _writeNodes(self, f):
+        '''
+        Write the nodes to file as an OpenFOAM pointField.
+        '''
+        mesh = self._mesh
+        nodeIds = self._nodeIds
+        
+        f.write('%d\n(\n' % len(nodeIds))
+        
+        for x, y, z in [mesh.GetNodeXYZ(nodeId) for nodeId in nodeIds]:
+            f.write( '( %g %g %g )\n' % (x, y, z))
+        
+        f.write(')\n')
+    
+    def _writeFeatureEdges(self, f):
+        '''
+        Write the feature edges to file as an OpenFOAM edgeList.
+        '''
+        mesh = self._mesh
+        nodeMap = self._nodeMap
+        edgeIds = self._edgeIds
+        
+        f.write('%d\n(\n' % len(edgeIds))
+        
+        for edgeId in edgeIds:
+            nodes = mesh.GetElemNodes(edgeId)
+            f.write( '(' + ' '.join([str(nodeMap[nodeId-1]) for nodeId in nodes]) + ')\n')
+        
+        f.write(')\n')
+    
+    def _writeFacets(self, f):
+        '''
+        Write the facets to file as an OpenFOAM List of labelledTri.
+        '''
+        from itertools import chain
+        
+        mesh = self._mesh
+        nodeMap = self._nodeMap
+        patches = self._patches
+        
+        f.write('%d\n(\n' % sum([len(patch) for patch in patches.itervalues()]))
+        
+        patchId = 0
+        for patchId, (patchName, faceIds) in enumerate(patches.iteritems()):
+            for faceId in faceIds:
+                nodes = mesh.GetElemNodes(faceId)
+                f.write( '((' + ' '.join([str(nodeMap[nodeId-1]) for nodeId in nodes]) + ') %d)\n' % patchId)
+        
+        f.write(')\n')
+    
+    def _writeSubsets(self, f, subsets, map, typeId):
+        '''
+        General function to write a subset to file as an OpenFOAM Map<meshSubset>.
+        '''
+        f.write('%d\n(\n' % len(subsets))
+        for name, ids in subsets.iteritems():
+            f.write('%s %s %d ( %s )\n' % (name, typeId, len(ids), ' '.join([str(map[id-1]) for id in ids])))
+        
+        f.write(')\n')
+    
+    def _writePointSubsets(self, f):
+        '''
+        Write the point subsets to file as and OpenFOAM Map<meshSubset>.
+        '''
+        self._writeSubsets(f, self._pointSubsets, self._nodeMap, '2')
+    
+    def _writeFaceSubsets(self, f):
+        '''
+        Write the face subsets to file as and OpenFOAM Map<meshSubset>.
+        '''
+        self._writeSubsets(f, self._faceSubsets, self._faceMap, '4')
+        
+    def _writeFeatureEdgeSubsets(self, f):
+        '''
+        Write the feature edge subsets to file as and OpenFOAM Map<meshSubset>.
+        '''
+        self._writeSubsets(f, self._featureEdgeSubsets, self._edgeMap, '8')
+    
+    def writeEdgeMesh(self, fileName):
+        '''
+        Write to file as an OpenFOAM edgeMesh
+        
+            fileName - The file name to write
+        '''
+        # Create file
+        f = open(fileName, 'wb') # NOTE: file opened as binary to ensure unix-style line breaks
+        
+        # Write header
+        f.write(foamHeader('edgeMesh', self._mesh.GetName()))
+        
+        self._writeNodes(f)
+        self._writeFeatureEdges(f)
+        
+        f.close()
+        
+        print 'edgeMesh written to %s' % fileName
+    
+    def writeFtr(self, fileName):
+        '''
+        Write to file as an OpenFOAM cfMesh FTR file
+        
+            fileName - the file name to write
+        '''
+        # Create file
+        f = open(fileName, 'wb') # NOTE: file opened as binary to ensure unix-style line breaks
+        
+        self._writePatchDefs(f)
+        self._writeNodes(f)
+        self._writeFacets(f)
+        
+        f.close()
+        
+        print 'triSurf written to %s' % fileName
+        
+    def writeFms(self, fileName):
+        '''
+        Write to file as an OpenFOAM cfMesh FMS file
+        
+            fileName - the file name to write
+        '''
+        # Create file
+        f = open(fileName, 'wb') # NOTE: file opened as binary to ensure unix-style line breaks
+        
+        self._writePatchDefs(f)
+        self._writeNodes(f)
+        self._writeFacets(f)
+        self._writeFeatureEdges(f)
+        self._writePointSubsets(f)
+        self._writeFaceSubsets(f)
+        self._writeFeatureEdgeSubsets(f)
+        
+        f.close()
+        
+        print 'triSurf written to %s' % fileName
+
+
+if __name__ == '__main__':
+    import salome
+    salome.salome_init()
+    
+    import SMESH, SALOMEDS

applications/utilities/mesh/cfMesh/surfaceToFMS/Make/files

@@ -0,0 +1,3 @@
+surfaceToFMS.C
+
+EXE = $(FOAM_APPBIN)/surfaceToFMS

applications/utilities/mesh/cfMesh/surfaceToFMS/Make/options

@@ -0,0 +1,9 @@
+EXE_INC = \
+    -I$(FOAM_SRC)/mesh/cfMesh/meshLibrary/lnInclude \
+    -I$(LIB_SRC)/triSurface/lnInclude \
+    -I$(LIB_SRC)/meshTools/lnInclude
+
+EXE_LIBS = \
+    -ltriSurface \
+    -lmeshLibrary \
+    -lmeshTools

applications/utilities/mesh/cfMesh/surfaceToFMS/surfaceToFMS.C

@@ -0,0 +1,63 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | cfMesh: A library for mesh generation
+   \\    /   O peration     |
+    \\  /    A nd           | Author: Franjo Juretic (franjo.juretic@c-fields.com)
+     \\/     M anipulation  | Copyright (C) Creative Fields, Ltd.
+-------------------------------------------------------------------------------
+License
+    This file is part of cfMesh.
+
+    cfMesh is free software; you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by the
+    Free Software Foundation; either version 3 of the License, or (at your
+    option) any later version.
+
+    cfMesh is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with cfMesh.  If not, see <http://www.gnu.org/licenses/>.
+
+Description
+    Reads the specified surface and writes it in the fms format. 
+
+\*---------------------------------------------------------------------------*/
+
+#include "argList.H"
+#include "IFstream.H"
+#include "fileName.H"
+#include "triSurf.H"
+#include "demandDrivenData.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+// Main program:
+using namespace Foam;
+
+int main(int argc, char *argv[])
+{
+    argList::noParallel();
+    argList::validArgs.clear();
+    argList::validArgs.append("input surface file");
+    argList args(argc, argv);
+
+    const fileName inFileName(args.args()[1]);
+    if( inFileName.ext() == "fms" )
+        FatalError << "trying to convert a fms file to itself"
+            << exit(FatalError);
+
+    fileName outFileName(inFileName.lessExt()+".fms");
+
+    const triSurf surface(inFileName);
+
+    surface.writeSurface(outFileName);
+
+    Info << "End\n" << endl;
+
+    return 0;
+}
+
+
+// ************************************************************************* //

src/mesh/cfMesh/meshLibrary/Make/files

@@ -24,6 +24,9 @@ findCellsIntersectingSurface = $(intersectionTools)/findCellsIntersectingSurface
 
 meshOptimizer = utilities/smoothers/geometry/meshOptimizer
 tetMeshOptimisation = $(meshOptimizer)/tetMeshOptimisation
+
+symmetryPlaneOptimisation = $(meshOptimizer)/symmetryPlaneOptimisation
+
 simplexSmoother = $(tetMeshOptimisation)/advancedSmoothers/simplexSmoother
 knuppMetric = $(tetMeshOptimisation)/advancedSmoothers/knuppMetric
 meshUntangler = $(tetMeshOptimisation)/advancedSmoothers/meshUntangler
@@ -44,10 +47,12 @@ meshOctreeModifier = utilities/octrees/meshOctree/meshOctreeModifier
 meshOctreeAutoRef = utilities/octrees/meshOctree/meshOctreeAutomaticRefinement
 patchRefinement = utilities/octrees/meshOctree/refinementControls/patchRefinement
 objectRefinement = utilities/octrees/meshOctree/refinementControls/objectRefinement
+
 helperFunctions  =  utilities/helperFunctions
 createFacesFromChain = utilities/helperClasses/createFacesFromChain
 sortEdgesIntoChains = utilities/helperClasses/sortEdgesIntoChains
 trianglePlaneIntersections  =  utilities/helperClasses/trianglePlaneIntersections
+
 tetCreatorOctree = utilities/tetrahedra/tetCreatorOctree
 faceDecomposition = utilities/faceDecomposition
 decomposeCells = utilities/decomposeCells
@@ -60,12 +65,16 @@ checkIrregularSurfaceConnections = $(topology)/checkIrregularSurfaceConnections
 checkNonMappableCellConnections = $(topology)/checkNonMappableCellConnections
 
 triSurfaceTools = utilities/triSurfaceTools
+
+triSurface2DCheck = $(triSurfaceTools)/triSurface2DCheck
 triSurfaceCleanupDuplicates = $(triSurfaceTools)/triSurfaceCleanupDuplicates
+triSurfaceCleanupDuplicateTriangles = $(triSurfaceTools)/triSurfaceCleanupDuplicateTriangles
 triSurfaceCopyParts = $(triSurfaceTools)/triSurfaceCopyParts
 triSurfaceCurvatureEstimator = $(triSurfaceTools)/triSurfaceCurvatureEstimator
 triSurfacePartitioner = $(triSurfaceTools)/triSurfacePartitioner
 triSurfaceDetectFeatureEdges = $(triSurfaceTools)/triSurfaceDetectFeatureEdges
 triSurfaceClassifyEdges = $(triSurfaceTools)/triSurfaceClassifyEdges
+triSurfaceImportSurfaceAsSubset = $(triSurfaceTools)/triSurfaceImportSurfaceAsSubset
 triSurfacePatchManipulator = $(triSurfaceTools)/triSurfacePatchManipulator
 triSurfaceRemoveFacets = $(triSurfaceTools)/triSurfaceRemoveFacets
 triSurfaceExtrude2DEdges = $(triSurfaceTools)/triSurfaceExtrude2DEdges
@@ -272,6 +281,8 @@ $(meshOptimizer)/optimizeMeshFV.C
 $(tetMeshOptimisation)/tetMeshOptimisation.C
 $(tetMeshOptimisation)/tetMeshOptimisationParallel.C
 
+$(symmetryPlaneOptimisation)/symmetryPlaneOptimisation.C
+
 $(simplexSmoother)/simplexSmoother.C
 
 $(knuppMetric)/knuppMetric.C
@@ -343,9 +354,14 @@ $(objectRefinement)/lineRefinement.C
 $(objectRefinement)/coneRefinement.C
 $(objectRefinement)/boxRefinement.C
 
+$(triSurface2DCheck)/triSurface2DCheck.C
+
 $(triSurfaceCleanupDuplicates)/triSurfaceCleanupDuplicates.C
 $(triSurfaceCleanupDuplicates)/triSurfaceCleanupDuplicatesFunctions.C
 
+$(triSurfaceCleanupDuplicateTriangles)/triSurfaceCleanupDuplicateTriangles.C
+$(triSurfaceCleanupDuplicateTriangles)/triSurfaceCleanupDuplicateTrianglesFunctions.C
+
 $(triSurfaceCopyParts)/triSurfaceCopyParts.C
 
 $(triSurfacePartitioner)/triSurfacePartitioner.C
@@ -360,6 +376,8 @@ $(triSurfaceDetectFeatureEdges)/triSurfaceDetectFeatureEdgesFunctions.C
 $(triSurfaceClassifyEdges)/triSurfaceClassifyEdges.C
 $(triSurfaceClassifyEdges)/triSurfaceClassifyEdgesFunctions.C
 
+$(triSurfaceImportSurfaceAsSubset)/triSurfaceImportSurfaceAsSubset.C
+
 $(triSurfacePatchManipulator)/triSurfacePatchManipulator.C
 $(triSurfacePatchManipulator)/triSurfacePatchManipulatorFunctions.C
 

src/mesh/cfMesh/meshLibrary/cartesian2DMesh/cartesian2DMeshGenerator/cartesian2DMeshGenerator.C

@@ -26,9 +26,11 @@ Description
 \*---------------------------------------------------------------------------*/
 
 #include "cartesian2DMeshGenerator.H"
+#include "triSurface2DCheck.H"
 #include "polyMeshGen2DEngine.H"
 #include "triSurf.H"
 #include "triSurfacePatchManipulator.H"
+#include "triSurfaceCleanupDuplicateTriangles.H"
 #include "demandDrivenData.H"
 #include "Time.H"
 #include "meshOctreeCreator.H"
@@ -211,6 +213,8 @@ void cartesian2DMeshGenerator::renumberMesh()
 }
 
 void cartesian2DMeshGenerator::generateMesh()
+{
+    try
     {
         createCartesianMesh();
 
@@ -232,6 +236,14 @@ void cartesian2DMeshGenerator::generateMesh()
 
         replaceBoundaries();
     }
+    catch(...)
+    {
+        WarningIn
+        (
+            "void cartesian2DMeshGenerator::generateMesh()"
+        ) << "Meshing process terminated!" << endl;
+    }
+}
 
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
@@ -273,10 +285,23 @@ cartesian2DMeshGenerator::cartesian2DMeshGenerator(const Time& time)
 
         mesh_.metaData().add("surfaceFile", surfaceFile);
         mesh_.metaData().add("surfaceMeta", surfMetaDict);
+
+        triSurface2DCheck surfCheck(*surfacePtr_);
+        if( !surfCheck.is2DSurface() )
+        {
+            surfCheck.createSubsets();
+
+            Info << "Writting surface with subsets to file "
+                 << "badSurfaceWithSubsets.fms" << endl;
+            surfacePtr_->writeSurface("badSurfaceWithSubsets.fms");
+        }
     }
 
     if( surfacePtr_->featureEdges().size() != 0 )
     {
+        //- get rid of duplicate triangles as they cause strange problems
+        triSurfaceCleanupDuplicateTriangles(const_cast<triSurf&>(*surfacePtr_));
+
         //- create surface patches based on the feature edges
         //- and update the meshDict based on the given data
         triSurfacePatchManipulator manipulator(*surfacePtr_);

src/mesh/cfMesh/meshLibrary/cartesianMesh/cartesianMeshGenerator/cartesianMeshGenerator.C

@@ -135,7 +135,7 @@ void cartesianMeshGenerator::mapMeshToSurface()
 
     # ifdef DEBUG
     mesh_.write();
-    //::exit(EXIT_SUCCESS);
+    ::exit(EXIT_SUCCESS);
     # endif
 
     deleteDemandDrivenData(msePtr);
@@ -192,12 +192,30 @@ void cartesianMeshGenerator::refBoundaryLayers()
 void cartesianMeshGenerator::optimiseFinalMesh()
 {
     //- untangle the surface if needed
+    bool enforceConstraints(false);
+    if( meshDict_.found("enforceGeometryConstraints") )
+    {
+        enforceConstraints =
+            readBool(meshDict_.lookup("enforceGeometryConstraints"));
+    }
+
+    if( true )
+    {
         meshSurfaceEngine mse(mesh_);
-    meshSurfaceOptimizer(mse, *octreePtr_).optimizeSurface();
+        meshSurfaceOptimizer surfOpt(mse, *octreePtr_);
+
+        if( enforceConstraints )
+            surfOpt.enforceConstraints();
+
+        surfOpt.optimizeSurface();
+    }
+
     deleteDemandDrivenData(octreePtr_);
 
     //- final optimisation
     meshOptimizer optimizer(mesh_);
+    if( enforceConstraints )
+        optimizer.enforceConstraints();
     optimizer.optimizeMeshFV();
     optimizer.optimizeLowQualityFaces();
     optimizer.untangleMeshFV();
@@ -229,6 +247,8 @@ void cartesianMeshGenerator::renumberMesh()
 }
 
 void cartesianMeshGenerator::generateMesh()
+{
+    try
     {
         createCartesianMesh();
 
@@ -250,6 +270,14 @@ void cartesianMeshGenerator::generateMesh()
 
         replaceBoundaries();
     }
+    catch(...)
+    {
+        WarningIn
+        (
+            "void cartesianMeshGenerator::generateMesh()"
+        ) << "Meshing process terminated!" << endl;
+    }
+}
 
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 

src/mesh/cfMesh/meshLibrary/tetMesh/tetMeshExtractorOctree/tetMeshExtractorOctree.C

@@ -102,8 +102,6 @@ void tetMeshExtractorOctree::createPolyMesh()
 
             const partTet& elmt = tets[elmtI];
 
-            //tessellationElement telmt(elmt[0], elmt[1], elmt[2], elmt[3]);
-
             label faceI = 4 * elmtI;
 
             //- first face

src/mesh/cfMesh/meshLibrary/tetMesh/tetMeshGenerator/tetMeshGenerator.C

@@ -167,7 +167,16 @@ void tetMeshGenerator::generateBoudaryLayers()
 void tetMeshGenerator::optimiseFinalMesh()
 {
     //- final optimisation
+    bool enforceConstraints(false);
+    if( meshDict_.found("enforceGeometryConstraints") )
+    {
+        enforceConstraints =
+            readBool(meshDict_.lookup("enforceGeometryConstraints"));
+    }
+
     meshOptimizer optimizer(mesh_);
+    if( enforceConstraints )
+        optimizer.enforceConstraints();
 
     optimizer.optimizeSurface(*octreePtr_);
 
@@ -220,6 +229,8 @@ void tetMeshGenerator::renumberMesh()
 }
 
 void tetMeshGenerator::generateMesh()
+{
+    try
     {
         createTetMesh();
 
@@ -241,6 +252,14 @@ void tetMeshGenerator::generateMesh()
 
         replaceBoundaries();
     }
+    catch(...)
+    {
+        WarningIn
+        (
+            "void tetMeshGenerator::generateMesh()"
+        ) << "Meshing process terminated!" << endl;
+    }
+}
 
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 

src/mesh/cfMesh/meshLibrary/utilities/boundaryLayers/boundaryLayerCells.C

@@ -243,6 +243,15 @@ void boundaryLayers::createLayerCells(const labelList& patchLabels)
         const label pKeyI = patchKey_[patchI];
         const label pKeyJ = patchKey_[patchJ];
 
+        if( pKeyI < 0 || pKeyJ < 0 )
+        {
+            continue;
+            FatalErrorIn
+            (
+                "void boundaryLayers::createLayerCells(const labelList&)"
+            ) << "Patch key is negative at concave edge" << abort(FatalError);
+        }
+
         if( pKeyI == pKeyJ )
             continue;
 
@@ -333,6 +342,10 @@ void boundaryLayers::createLayerCells(const labelList& patchLabels)
             faceAtPatches.append(labelPair(patchI, patchJ));
         }
 
+        # ifdef DEBUGLayer
+        Info << "Adding new cell at edge " << cellFaces << endl;
+        # endif
+
         //- append cell to the queue
         cellsToAdd.appendGraph(cellFaces);
     }
@@ -628,10 +641,6 @@ void boundaryLayers::createLayerCells(const labelList& patchLabels)
     //- delete meshSurfaceEngine
     this->clearOut();
 
-    # ifdef DEBUGLayer
-    mesh_.addressingData().checkMesh(true);
-    # endif
-
     Info << "Finished creating layer cells" << endl;
 }
 

src/mesh/cfMesh/meshLibrary/utilities/boundaryLayers/boundaryLayers.C

@@ -93,7 +93,7 @@ void boundaryLayers::findPatchesToBeTreatedTogether()
     {
         const label bpI = it.key();
 
-        if( mPart.numberOfFeatureEdgesAtPoint(bpI) != 3 )
+        if( mPart.numberOfFeatureEdgesAtPoint(bpI) > 3 )
         {
             labelHashSet commonPatches;
             DynList<label> allPatches;
@@ -133,18 +133,18 @@ void boundaryLayers::findPatchesToBeTreatedTogether()
     const labelHashSet& invertedVertices = vertexCheck.invertedVertices();
 
     std::map<std::pair<label, label>, Pair<label> > edgeClassification;
-    labelLongList procEdges;
     forAll(eFaces, eI)
     {
         if( eFaces.sizeOfRow(eI) != 2 )
-        {
-            procEdges.append(eI);
             continue;
-        }
 
         //- check if the any of the face vertices is tangled
         const edge& e = edges[eI];
-        if( invertedVertices.found(e[0]) || invertedVertices.found(e[1]) )
+        if
+        (
+            !is2DMesh_ &&
+            (invertedVertices.found(e[0]) || invertedVertices.found(e[1]))
+        )
             continue;
 
         const label patch0 = boundaryFacePatches[eFaces(eI, 0)];
@@ -164,7 +164,12 @@ void boundaryLayers::findPatchesToBeTreatedTogether()
 
             const face& f1 = bFaces[eFaces(eI, 0)];
             const face& f2 = bFaces[eFaces(eI, 1)];
-            if( !help::isSharedEdgeConvex(points, f1, f2) )
+
+            if
+            (
+                !help::isSharedEdgeConvex(points, f1, f2) ||
+                (help::angleBetweenFaces(points, f1, f2) > 0.75 * M_PI)
+            )
             {
                 ++edgeClassification[pp].second();
             }
@@ -177,9 +182,10 @@ void boundaryLayers::findPatchesToBeTreatedTogether()
 
     if( Pstream::parRun() )
     {
+        const labelList& bPoints = mse.boundaryPoints();
+
         //- check faces over processor edges
         const labelList& globalEdgeLabel = mse.globalBoundaryEdgeLabel();
-        const VRWGraph& beAtProcs = mse.beAtProcs();
         const Map<label>& globalToLocal = mse.globalToLocalBndEdgeAddressing();
 
         const DynList<label>& neiProcs = mse.beNeiProcs();
@@ -203,14 +209,20 @@ void boundaryLayers::findPatchesToBeTreatedTogether()
         }
 
         //- store faces for sending
-        forAll(procEdges, eI)
+        forAllConstIter(Map<label>, otherFaceProc, it)
         {
-            const label beI = procEdges[eI];
+            const label beI = it.key();
+
             if( eFaces.sizeOfRow(beI) == 0 )
                 continue;
 
             const edge& e = edges[beI];
-            if( invertedVertices.found(e[0]) || invertedVertices.found(e[1]) )
+
+            if
+            (
+                !is2DMesh_ &&
+                (invertedVertices.found(e[0]) || invertedVertices.found(e[1]))
+            )
                 continue;
 
             //- do not send data if the face on other processor
@@ -220,11 +232,7 @@ void boundaryLayers::findPatchesToBeTreatedTogether()
 
             const face& f = bFaces[eFaces(beI, 0)];
 
-            forAllRow(beAtProcs, beI, procI)
+            const label neiProc = it();
-            {
-                const label neiProc = beAtProcs(beI, procI);
-                if( neiProc == Pstream::myProcNo() )
-                    continue;
 
             //- each face is sent as follows
             //- 1. global edge label
@@ -245,7 +253,6 @@ void boundaryLayers::findPatchesToBeTreatedTogether()
                 );
             }
         }
-        }
 
         LongList<labelledPoint> receivedData;
         help::exchangeMap(exchangePoints, receivedData);
@@ -258,14 +265,16 @@ void boundaryLayers::findPatchesToBeTreatedTogether()
         {
             const label beI =
                 globalToLocal[receivedData[counter++].pointLabel()];
-            face f(receivedData[counter++].pointLabel());
+
+            DynList<label> f(receivedData[counter++].pointLabel());
             forAll(f, pI)
             {
                 const labelledPoint& lp = receivedData[counter++];
+
                 if( globalPointToLocal.found(lp.pointLabel()) )
                 {
                     //- this point already exist on this processor
-                    f[pI] = globalPointToLocal[lp.pointLabel()];
+                    f[pI] = bPoints[globalPointToLocal[lp.pointLabel()]];
                 }
                 else
                 {
@@ -287,6 +296,8 @@ void boundaryLayers::findPatchesToBeTreatedTogether()
                 }
             }
 
+            const face& bf = bFaces[eFaces(beI, 0)];
+
             const label patch0 = boundaryFacePatches[eFaces(beI, 0)];
             const label patch1 = otherProcPatches[beI];
 
@@ -303,7 +314,10 @@ void boundaryLayers::findPatchesToBeTreatedTogether()
 
             if(
                 (otherFaceProc[beI] > Pstream::myProcNo()) &&
-                !help::isSharedEdgeConvex(points, bFaces[eFaces(beI, 0)], f)
+                (
+                    !help::isSharedEdgeConvex(points, bf, f) ||
+                    (help::angleBetweenFaces(points, bf, f) > 0.75 * M_PI)
+                )
             )
             {
                 ++edgeClassification[pp].second();
@@ -443,6 +457,35 @@ void boundaryLayers::findPatchesToBeTreatedTogether()
 
     Info << "Patch names " << patchNames_ << endl;
     Info << "Treat patches with patch " << treatPatchesWithPatch_ << endl;
+
+    label layerI(0), subsetId;
+    boolList usedPatch(treatPatchesWithPatch_.size(), false);
+    const PtrList<boundaryPatch>& boundaries = mesh_.boundaries();
+
+    forAll(treatPatchesWithPatch_, patchI)
+    {
+        if( usedPatch[patchI] || (boundaries[patchI].patchSize() == 0) )
+            continue;
+
+        Info << "Adding layer subset " << layerI
+             << " for patch " << patchI << endl;
+        usedPatch[patchI] = true;
+        subsetId = mesh_.addFaceSubset("layer_"+help::scalarToText(layerI));
+        ++layerI;
+
+        forAll(treatPatchesWithPatch_[patchI], i)
+        {
+            const label cPatch = treatPatchesWithPatch_[patchI][i];
+            usedPatch[cPatch] = true;
+
+            label start = boundaries[cPatch].patchStart();
+            const label size = boundaries[cPatch].patchSize();
+            for(label i=0;i<size;++i)
+                mesh_.addFaceToSubset(subsetId, start++);
+        }
+    }
+
+    mesh_.write();
     # endif
 
     geometryAnalysed_ = true;
@@ -498,6 +541,7 @@ boundaryLayers::boundaryLayers
     meshPartitionerPtr_(NULL),
     patchWiseLayers_(true),
     terminateLayersAtConcaveEdges_(false),
+    is2DMesh_(false),
     patchNames_(),
     treatedPatch_(),
     treatPatchesWithPatch_(),
@@ -597,6 +641,8 @@ void boundaryLayers::activate2DMode()
             if( treatedPatch_[patches[i]] )
                 patches.removeElement(i);
     }
+
+    is2DMesh_ = true;
 }
 
 void boundaryLayers::addLayerForAllPatches()

src/mesh/cfMesh/meshLibrary/utilities/boundaryLayers/boundaryLayers.H

@@ -35,8 +35,6 @@ SourceFiles
 #ifndef boundaryLayers_H
 #define boundaryLayers_H
 
-#include "objectRegistry.H"
-#include "Time.H"
 #include "polyMeshGenModifier.H"
 #include "meshSurfaceEngine.H"
 #include "meshSurfacePartitioner.H"
@@ -78,6 +76,9 @@ class boundaryLayers
         //- shall the layers be terminated at concave edges (true)
         bool terminateLayersAtConcaveEdges_;
 
+        //- is it a 2D mesh
+        bool is2DMesh_;
+
         //- patch names
         wordList patchNames_;
 

src/mesh/cfMesh/meshLibrary/utilities/boundaryLayers/boundaryLayersCreateVertices.C

@@ -408,7 +408,6 @@ void boundaryLayers::createNewVertices(const labelList& patchLabels)
 
     const meshSurfaceEngine& mse = surfaceEngine();
     const labelList& bPoints = mse.boundaryPoints();
-    const label nBndPts = bPoints.size();
 
     const meshSurfacePartitioner& mPart = surfacePartitioner();
     const VRWGraph& pPatches = mPart.pointPatches();
@@ -422,10 +421,10 @@ void boundaryLayers::createNewVertices(const labelList& patchLabels)
 
     pointFieldPMG& points = mesh_.points();
     boolList treatPatches(mesh_.boundaries().size());
-    List<direction> patchVertex(nBndPts);
+    List<direction> patchVertex(bPoints.size());
 
     //- make sure than the points are never re-allocated during the process
-    points.reserve(points.size() + 2 * nBndPts);
+    points.reserve(points.size() + 2 * bPoints.size());
 
     //- generate new layer vertices for each patch
     forAll(patchLabels, patchI)
@@ -457,12 +456,9 @@ void boundaryLayers::createNewVertices(const labelList& patchLabels)
         //- classify vertices belonging to this patch
         findPatchVertices(treatPatches, patchVertex);
 
-        //- go throught the vertices and create the new ones
+        //- create indices and allocate maps for new points
-        labelLongList procPoints;
+        labelLongList procPoints, patchPoints;
-        # ifdef USE_OMP
+        forAll(bPoints, bpI)
-        # pragma omp parallel for if( nBndPts > 1000 ) schedule(dynamic, 50)
-        # endif
-        for(label bpI=0;bpI<nBndPts;++bpI)
         {
             if( !patchVertex[bpI] )
                 continue;
@@ -470,29 +466,15 @@ void boundaryLayers::createNewVertices(const labelList& patchLabels)
             //- skip vertices at parallel boundaries
             if( patchVertex[bpI] & PARALLELBOUNDARY )
             {
-                # ifdef USE_OMP
-                # pragma omp critical(appendProcPoints)
-                # endif
                 procPoints.append(bpI);
 
                 continue;
             }
 
+            patchPoints.append(bpI);
             const label pointI = bPoints[bpI];
-            label nPoints;
-            # ifdef USE_OMP
-            # pragma omp critical(incrementNumPoints)
-            # endif
-            nPoints = nPoints_++;
-
-            //- create new point
-            const point p = createNewVertex(bpI, treatPatches, patchVertex);
 
             if( patchVertex[bpI] & EDGENODE )
-            {
-                # ifdef USE_OMP
-                # pragma omp critical(adjustMap)
-                # endif
             {
                 if( otherVrts_.find(pointI) == otherVrts_.end() )
                 {
@@ -502,21 +484,49 @@ void boundaryLayers::createNewVertices(const labelList& patchLabels)
                 }
 
                 std::pair<label, label> pr(pKey, pKey);
-                    otherVrts_[pointI].insert(std::make_pair(pr, nPoints));
+                otherVrts_[pointI].insert(std::make_pair(pr, nPoints_++));
-                }
             }
             else
             {
-                //- this the only new point for a given vertex
+                //- this the only new point
-                newLabelForVertex_[pointI] = nPoints;
+                newLabelForVertex_[pointI] = nPoints_++;
+            }
         }
 
-            //- store the point
+        //- set the size of points
+        points.setSize(nPoints_);
+
+        //- calculate coordinates of new points
         # ifdef USE_OMP
-            # pragma omp critical(addVertex)
+        # pragma omp parallel for schedule(dynamic, 50)
         # endif
+        forAll(patchPoints, i)
         {
-                points.newElmt(nPoints) = p;
+            const label bpI = patchPoints[i];
+
+            const label pointI = bPoints[bpI];
+
+            //- create new point
+            const point p = createNewVertex(bpI, treatPatches, patchVertex);
+
+            if( patchVertex[bpI] & EDGENODE )
+            {
+                //- set the new point or an edge point
+                if( otherVrts_.find(pointI) == otherVrts_.end() )
+                {
+                    std::map<std::pair<label, label>, label> m;
+
+                    otherVrts_.insert(std::make_pair(pointI, m));
+                }
+
+                std::pair<label, label> pr(pKey, pKey);
+                const label npI = otherVrts_[pointI][pr];
+                points[npI] = p;
+            }
+            else
+            {
+                //- set the new point
+                points[newLabelForVertex_[pointI]] = p;
             }
         }
 

src/mesh/cfMesh/meshLibrary/utilities/boundaryLayers/boundaryLayersI.H

@@ -39,13 +39,14 @@ label boundaryLayers::findNewNodeLabel
     const label pointI,
     const label pKey
 ) const
-{
-    if( otherVrts_.find(pointI) != otherVrts_.end() )
 {
     const std::map
     <
         label, std::map<std::pair<label, label>, label>
     >::const_iterator it = otherVrts_.find(pointI);
+
+    if( it != otherVrts_.end() )
+    {
         const std::map<std::pair<label, label>, label>& m = it->second;
 
         std::map<std::pair<label, label>, label>::const_iterator mit;
@@ -90,7 +91,7 @@ inline void boundaryLayers::createNewCellFromEdge
         otherVrts_.find(e.end())->second;
 
     # ifdef DEBUGLayer
-    Info << "Creating cell for edge " << edgeI << " with nodes " << e << endl;
+    Info << "Creating cell for edge with nodes " << e << endl;
     Info << "pKeyI " << pKeyI << endl;
     Info << "pKeyJ " << pKeyJ << endl;
     std::map<std::pair<label, label>, label>::const_iterator iter;
@@ -208,6 +209,22 @@ inline void boundaryLayers::createNewCellFromEdge
     cellFaces[5][1] = p0s;
     cellFaces[5][2] = ns;
     cellFaces[5][3] = p1s;
+
+    # ifdef DEBUGLayer
+    forAll(cellFaces, fI)
+    {
+        forAll(cellFaces[fI], pI)
+        {
+            if
+            (
+                cellFaces[fI][pI] < 0 ||
+                cellFaces[fI][pI] >= mesh_.points().size()
+            )
+                FatalError << "Invalid point indices found!"
+                           << abort(FatalError);
+        }
+    }
+    # endif
 }
 
 inline void boundaryLayers::createNewCellFromNode
@@ -258,7 +275,6 @@ inline void boundaryLayers::createNewCellFromNode
     const label p12 = m.find(pr)->second;
 
     //- create the cell and append it
-    
     //- F0
     cellFaces[0][0] = pointI;
     cellFaces[0][1] = p02;

src/mesh/cfMesh/meshLibrary/utilities/boundaryLayers/extrudeLayer.H

@@ -36,8 +36,6 @@ SourceFiles
 #ifndef extrudeLayer_H
 #define extrudeLayer_H
 
-#include "objectRegistry.H"
-#include "Time.H"
 #include "polyMeshGenModifier.H"
 #include "VRWGraphList.H"
 #include "labelPair.H"

src/mesh/cfMesh/meshLibrary/utilities/boundaryLayers/refineBoundaryLayers.C

@@ -156,7 +156,12 @@ void refineBoundaryLayers::setNumberOfLayersForPatch
         return;
     }
 
-    numLayersForPatch_[patchName] = nLayers;
+    const labelList matchedIDs = mesh_.findPatches(patchName);
+
+    forAll(matchedIDs, matchI)
+    {
+        numLayersForPatch_[mesh_.getPatchName(matchedIDs[matchI])] = nLayers;
+    }
 }
 
 void refineBoundaryLayers::setThicknessRatioForPatch
@@ -177,7 +182,13 @@ void refineBoundaryLayers::setThicknessRatioForPatch
         return;
     }
 
-    thicknessRatioForPatch_[patchName] = thicknessRatio;
+    const labelList matchedIDs = mesh_.findPatches(patchName);
+
+    forAll(matchedIDs, matchI)
+    {
+        const word pName = mesh_.getPatchName(matchedIDs[matchI]);
+        thicknessRatioForPatch_[pName] = thicknessRatio;
+    }
 }
 
 void refineBoundaryLayers::setMaxThicknessOfFirstLayerForPatch
@@ -198,12 +209,24 @@ void refineBoundaryLayers::setMaxThicknessOfFirstLayerForPatch
         return;
     }
 
-    maxThicknessForPatch_[patchName] = maxThickness;
+    const labelList matchedIDs = mesh_.findPatches(patchName);
+
+    forAll(matchedIDs, matchI)
+    {
+        const word pName = mesh_.getPatchName(matchedIDs[matchI]);
+        maxThicknessForPatch_[pName] = maxThickness;
+    }
 }
 
 void refineBoundaryLayers::setInteruptForPatch(const word& patchName)
 {
-    discontinuousLayersForPatch_.insert(patchName);
+    const labelList matchedIDs = mesh_.findPatches(patchName);
+
+    forAll(matchedIDs, matchI)
+    {
+        const word pName = mesh_.getPatchName(matchedIDs[matchI]);
+        discontinuousLayersForPatch_.insert(pName);
+    }
 }
 
 void refineBoundaryLayers::refineLayers()

src/mesh/cfMesh/meshLibrary/utilities/boundaryLayers/refineBoundaryLayers.H

@@ -36,8 +36,6 @@ SourceFiles
 #ifndef refineBoundaryLayers_H
 #define refineBoundaryLayers_H
 
-#include "objectRegistry.H"
-#include "Time.H"
 #include "polyMeshGenModifier.H"
 #include "meshSurfaceEngine.H"
 #include "DynList.H"

src/mesh/cfMesh/meshLibrary/utilities/checkMeshDict/checkMeshDict.C

@@ -38,6 +38,85 @@ namespace Foam
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
+void checkMeshDict::checkBasicSettings() const
+{
+    //- check if maxCellSize is valid
+    const scalar maxCellSize = readScalar(meshDict_.lookup("maxCellSize"));
+
+    if( maxCellSize < 0 )
+        FatalErrorIn
+        (
+            "void checkMeshDict::checkBasicSettings() const"
+        ) << "maxCellSize is negative! Cannot generate the mesh!!"
+          << exit(FatalError);
+
+    //- check if boundaryCellSize makes sense
+    if( meshDict_.found("boundaryCellSize") )
+    {
+        const scalar bcs = readScalar(meshDict_.lookup("boundaryCellSize"));
+
+        if( bcs < 0 )
+        {
+            WarningIn
+            (
+                "void checkMeshDict::checkBasicSettings() const"
+            ) << "Boundary cell size is negative!!" << endl;
+        }
+
+        if( meshDict_.found("boundaryCellSizeRefinementThickness") )
+        {
+            const scalar thickness =
+                readScalar
+                (
+                    meshDict_.lookup("boundaryCellSizeRefinementThickness")
+                );
+
+            if( thickness < 0 )
+            {
+                WarningIn
+                (
+                    "void checkMeshDict::checkBasicSettings() const"
+                ) << "Boundary cell size refinement thickness is negative!!"
+                  << endl;
+            }
+        }
+    }
+
+    //- check if minCellSize is valid
+    if( meshDict_.found("minCellSize") )
+    {
+        const scalar mcs = readScalar(meshDict_.lookup("minCellSize"));
+
+        if( mcs < 0 )
+        {
+            FatalErrorIn
+            (
+                "void checkMeshDict::checkBasicSettings() const"
+            ) << "Minimum cell size for automatic refinement is negative!!"
+              << exit(FatalError);
+        }
+
+    }
+
+    //- check if keepCellsIntersectingBoundary can be read correctly
+    if( meshDict_.found("keepCellsIntersectingBoundary") )
+    {
+        const bool keep =
+            readBool(meshDict_.lookup("keepCellsIntersectingBoundary"));
+
+        if( keep && meshDict_.found("checkForGluedMesh") )
+        {
+            readBool(meshDict_.lookup("checkForGluedMesh"));
+        }
+    }
+
+    //- check if enforceConstraints is available
+    if( meshDict_.found("enforceGeometryConstraints") )
+    {
+        readBool(meshDict_.lookup("enforceGeometryConstraints"));
+    }
+}
+
 void checkMeshDict::checkPatchCellSize() const
 {
     if( meshDict_.found("patchCellSize") )
@@ -92,29 +171,29 @@ void checkMeshDict::checkLocalRefinementLevel() const
                 {
                     const scalar cs = readScalar(dict.lookup("cellSize"));
 
-                    if( cs > 0.0 )
+                    if( cs < 0.0 )
-                        continue;
+                    {
-
                         WarningIn
                         (
                         "void checkMeshDict::checkLocalRefinementLevel() const"
                         ) << "Cell size for " << entries[dictI]
                              << " is negative" << endl;
                     }
+                }
                 else if( dict.found("additionalRefinementLevels") )
                 {
                     const label nLevels =
                         readLabel(dict.lookup("additionalRefinementLevels"));
 
                     if( nLevels > 0 )
-                        continue;
+                    {
-
                         WarningIn
                         (
                         "void checkMeshDict::checkLocalRefinementLevel() const"
                         ) << "Refinement level for " << entries[dictI]
                              << " is negative" << endl;
                     }
+                }
                 else
                 {
                     FatalErrorIn
@@ -124,6 +203,21 @@ void checkMeshDict::checkLocalRefinementLevel() const
                       << " additionalRefinementLevels or cellSize"
                       << "for " << entries[dictI] << exit(FatalError);
                 }
+
+                if( dict.found("refinementThickness") )
+                {
+                    const scalar s =
+                        readScalar(dict.lookup("refinementThickness"));
+
+                    if( s < 0 )
+                    {
+                        WarningIn
+                        (
+                        "void checkMeshDict::checkLocalRefinementLevel() const"
+                        ) << "Refinement thickness for " << entries[dictI]
+                             << " is negative" << endl;
+                    }
+                }
             }
         }
         else
@@ -223,6 +317,130 @@ void checkMeshDict::checkObjectRefinements() const
                 );
             }
         }
+
+        forAll(refObjects, oI)
+        {
+            if( refObjects[oI].cellSize() < 0.0 )
+            {
+                WarningIn
+                (
+                    "void checkMeshDict::checkObjectRefinements() const"
+                ) << "Cell size specified for object " << refObjects[oI].name()
+                  << " is negative!!" << endl;
+            }
+
+            if( refObjects[oI].refinementThickness() < 0.0 )
+            {
+                WarningIn
+                (
+                    "void checkMeshDict::checkObjectRefinements() const"
+                ) << "Refinement thickness specified for object "
+                  << refObjects[oI].name() << " is negative!!" << endl;
+            }
+        }
+    }
+}
+
+void checkMeshDict::checkSurfaceRefinements() const
+{
+    if( meshDict_.found("surfaceMeshRefinement") )
+    {
+        const dictionary& surfaces = meshDict_.subDict("surfaceMeshRefinement");
+
+        const wordList surfaceSources = surfaces.toc();
+
+        forAll(surfaceSources, surfI)
+        {
+            if( surfaces.isDict(surfaceSources[surfI]) )
+            {
+                const dictionary& dict =
+                    surfaces.subDict(surfaceSources[surfI]);
+
+                if( dict.found("surfaceFile") )
+                {
+                    const fileName fName(dict.lookup("surfaceFile"));
+
+                    if( !isFile(fName) )
+                        FatalErrorIn
+                        (
+                        "void checkMeshDict::checkSurfaceRefinements() const"
+                        ) << "Surface file " << fName
+                          << " does not exist or is not readable!!"
+                          << exit(FatalError);
+                }
+                else
+                {
+                    FatalErrorIn
+                    (
+                        "void checkMeshDict::checkSurfaceRefinements() const"
+                    ) << "Missing surfaceFile for entry "
+                      << surfaceSources[surfI] << exit(FatalError);
+                }
+
+                if( dict.found("cellSize") )
+                {
+                    const scalar cs = readScalar(dict.lookup("cellSize"));
+
+                    if( cs < VSMALL )
+                        FatalErrorIn
+                        (
+                            "void checkMeshDict::"
+                            "checkSurfaceRefinements() const"
+                        ) << "Cell size for entry " << surfaceSources[surfI]
+                          << " is extremely small or negative!!"
+                          << exit(FatalError);
+                }
+                else if( dict.found("additionalRefinementLevels") )
+                {
+                    const label nLev =
+                        readLabel(dict.lookup("additionalRefinementLevels"));
+
+                    if( nLev < 0 )
+                    {
+                        FatalErrorIn
+                        (
+                            "void checkMeshDict::"
+                            "checkSurfaceRefinements() const"
+                        ) << "Number refinement levels for entry "
+                          << surfaceSources[surfI] << " is negative!!"
+                          << exit(FatalError);
+                    }
+                }
+                else
+                {
+                    FatalErrorIn
+                    (
+                        "void checkMeshDict::checkSurfaceRefinements() const"
+                    ) << "Missing cellSize or additionalRefinementLevels"
+                      << " for entry " << surfaceSources[surfI]
+                      << exit(FatalError);
+                }
+
+                if( dict.found("refinementThickness") )
+                {
+                    const scalar cs =
+                        readScalar(dict.lookup("refinementThickness"));
+
+                    if( cs < VSMALL )
+                        WarningIn
+                        (
+                            "void checkMeshDict::"
+                            "checkSurfaceRefinements() const"
+                        ) << "Refinement thickness for entry "
+                          << surfaceSources[surfI]
+                          << " is extremely small or negative!!" << endl;
+                }
+            }
+            else
+            {
+                FatalErrorIn
+                (
+                    "void checkMeshDict::checkSurfaceRefinements() const"
+                ) << "Dictionary " << surfaceSources[surfI]
+                  << " does not exist!!"
+                  << exit(FatalError);
+            }
+        }
     }
 }
 
@@ -352,10 +570,14 @@ void checkMeshDict::checkRenameBoundary() const
 
 void checkMeshDict::checkEntries() const
 {
+    checkBasicSettings();
+
     checkPatchCellSize();
 
     checkSubsetCellSize();
 
+    checkSurfaceRefinements();
+
     checkKeepCellsIntersectingPatches();
 
     checkRemoveCellsIntersectingPatches();

src/mesh/cfMesh/meshLibrary/utilities/checkMeshDict/checkMeshDict.H

@@ -35,8 +35,6 @@ SourceFiles
 #ifndef checkMeshDict_H
 #define checkMeshDict_H
 
-#include "objectRegistry.H"
-#include "Time.H"
 #include "IOdictionary.H"
 
 #include <map>
@@ -56,6 +54,9 @@ class checkMeshDict
         IOdictionary& meshDict_;
 
     // Private member functions
+        //- check settings for cell size in meshDict
+        void checkBasicSettings() const;
+
         //- check patchCellSize entry
         void checkPatchCellSize() const;
 
@@ -74,6 +75,9 @@ class checkMeshDict
         //- check objectRefinements entry
         void checkObjectRefinements() const;
 
+        //- check surfaceRefinements entry
+        void checkSurfaceRefinements() const;
+
         //- check entry for boundary layers
         void checkBoundaryLayers() const;
 

src/mesh/cfMesh/meshLibrary/utilities/containers/LongList/LongList.C

@@ -27,6 +27,8 @@ License
 #include "Ostream.H"
 #include "token.H"
 
+#include "Time.H"
+
 // * * * * * * * * * * * * * * * IOstream Operators  * * * * * * * * * * * * //
 
 template<class T, Foam::label Offset>

src/mesh/cfMesh/meshLibrary/utilities/containers/LongList/LongList.H

@@ -42,7 +42,6 @@ SourceFiles
 
 #include "label.H"
 #include "bool.H"
-#include "IOstreams.H"
 #include "error.H"
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

src/mesh/cfMesh/meshLibrary/utilities/helperFunctions/helperFunctionsGeometryQueries.H

@@ -66,11 +66,21 @@ namespace help
     bool isinf(const ListType&);
 
     //- check if the faces share a convex edge
-    bool isSharedEdgeConvex
+    template<class Face1, class Face2>
+    inline bool isSharedEdgeConvex
     (
         const pointField& points,
-        const face& f1,
+        const Face1& f1,
-        const face& f2
+        const Face2& f2
+    );
+
+    //- angle between the two faces in radians
+    template<class Face1, class Face2>
+    inline scalar angleBetweenFaces
+    (
+        const pointField& points,
+        const Face1& f1,
+        const Face2& f2
     );
 
     // merge faces which are in the same patch

src/mesh/cfMesh/meshLibrary/utilities/helperFunctions/helperFunctionsGeometryQueriesI.H

@@ -70,35 +70,43 @@ bool isinf(const ListType& l)
     return false;
 }
 
+template<class Face1, class Face2>
 inline bool isSharedEdgeConvex
 (
     const pointField& points,
-    const face& f1,
+    const Face1& f1,
-    const face& f2
+    const Face2& f2
 )
 {
-    face triOwn(3);
+    DynList<label, 3> triOwn(3);
-    face triNei(3);
+    DynList<label, 3> triNei(3);
 
     forAll(f1, pI)
     {
-        label pos = f2.which(f1[pI]);
+        label pos(-1);
-        if( pos == -1 )
+        forAll(f2, pJ)
+            if( f2[pJ] == f1[pI] )
+            {
+                pos = pJ;
+                break;
+            }
+
+        if( pos < 0 )
             continue;
 
         triNei[0] = f2[pos];
-        triNei[1] = f2.nextLabel(pos);
+        triNei[1] = f2[f2.fcIndex(pos)];
-        triNei[2] = f2.prevLabel(pos);
+        triNei[2] = f2[f2.rcIndex(pos)];
 
         triOwn[0] = f1[pI];
-        triOwn[1] = f1.nextLabel(pI);
+        triOwn[1] = f1[f1.fcIndex(pI)];
-        triOwn[2] = f1.prevLabel(pI);
+        triOwn[2] = f1[f1.rcIndex(pI)];
 
         scalar vol(0.0);
 
         forAll(triOwn, pJ)
         {
-            if( triNei.which(triOwn[pJ]) == -1 )
+            if( !triNei.contains(triOwn[pJ]) )
             {
                 tetrahedron<point, point> tet
                 (
@@ -120,6 +128,107 @@ inline bool isSharedEdgeConvex
     return true;
 }
 
+template<class Face1, class Face2>
+inline scalar angleBetweenFaces
+(
+    const pointField& points,
+    const Face1& f1,
+    const Face2& f2
+)
+{
+    DynList<label, 3> triOwn(3);
+    DynList<label, 3> triNei(3);
+
+    scalar angle(0.0);
+    label counter(0);
+
+    forAll(f1, pI)
+    {
+        label pos(-1);
+        forAll(f2, pJ)
+            if( f2[pJ] == f1[pI] )
+            {
+                pos = pJ;
+                break;
+            }
+
+        if( pos < 0 )
+            continue;
+
+        triNei[0] = f2[pos];
+        triNei[1] = f2[f2.fcIndex(pos)];
+        triNei[2] = f2[f2.rcIndex(pos)];
+
+        triOwn[0] = f1[pI];
+        triOwn[1] = f1[f1.fcIndex(pI)];
+        triOwn[2] = f1[f1.rcIndex(pI)];
+
+        scalar vol(0.0);
+
+        forAll(triOwn, pJ)
+        {
+            if( !triNei.contains(triOwn[pJ]) )
+            {
+                tetrahedron<point, point> tet
+                (
+                    points[triNei[0]],
+                    points[triNei[1]],
+                    points[triNei[2]],
+                    points[triOwn[pJ]]
+                );
+
+                vol = tet.mag();
+                break;
+            }
+        }
+
+        vector nOwn
+        (
+            (points[triOwn[1]] - points[triOwn[0]]) ^
+            (points[triOwn[2]] - points[triOwn[0]])
+        );
+        nOwn /= (mag(nOwn) + VSMALL);
+
+        vector nNei
+        (
+            (points[triNei[1]] - points[triNei[0]]) ^
+            (points[triNei[2]] - points[triNei[0]])
+        );
+        nNei /= (mag(nNei) + VSMALL);
+
+        const scalar dot = Foam::max(-1.0, Foam::min(nOwn & nNei, 1.0));
+
+        if( vol > -VSMALL )
+        {
+            //- the angle is in the interval [Pi, 2Pi>
+            const scalar ang = Foam::acos(dot);
+
+            angle += ang + M_PI;
+            ++counter;
+        }
+        else
+        {
+            //- the angle is in the interval [0, Pi>
+            const scalar ang = Foam::acos(-dot);
+
+            angle += ang;
+            ++counter;
+        }
+    }
+
+    if( counter == 0 )
+    {
+        FatalErrorIn
+        (
+            "scalar angleBetweenFaces"
+            "(const pointField&, const face&, const face&)"
+        ) << "Faces " << f1 << " and " << f2
+          << " do no share an edge" << abort(FatalError);
+    }
+
+    return angle / counter;
+}
+
 inline faceList mergePatchFaces
 (
     const List< DynList<label> >& pfcs,
@@ -769,7 +878,7 @@ inline point nearestPointOnTheEdgeExact
     if( d < VSMALL )
         return edgePoint0;
 
-    const scalar t = (e & k) / (d * d);
+    const scalar t = (e & k) / (d * d + VSMALL);
     if( t > 1.0 )
     {
         return edgePoint1;

src/mesh/cfMesh/meshLibrary/utilities/meshes/partTriMesh/partTriMesh.C

@@ -362,6 +362,9 @@ void partTriMesh::updateVerticesSMP(const List<LongList<labelledPoint> >& np)
             pts[pI] = centre / faceArea;
         }
     }
+
+    if( Pstream::parRun() )
+        updateBufferLayers();
 }
 
 void partTriMesh::updateVertices()
@@ -398,6 +401,9 @@ void partTriMesh::updateVertices(const labelLongList& movedPoints)
         const label pointI = bPoints[bpI];
         const label triPointI = meshSurfacePointLabelInTriMesh_[bpI];
 
+        if( triPointI < 0 )
+            continue;
+
         pts[triPointI] = points[pointI];
         updateType[triPointI] |= SMOOTH;
 
@@ -495,6 +501,9 @@ void partTriMesh::updateVertices(const labelLongList& movedPoints)
             pts[pI] = centre / faceArea;
         }
     }
+
+    if( Pstream::parRun() )
+        updateBufferLayers();
 }
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

src/mesh/cfMesh/meshLibrary/utilities/meshes/partTriMesh/partTriMeshParallelAddressing.C

@@ -278,7 +278,7 @@ void partTriMesh::createBufferLayers()
             std::make_pair(neiProcs[procI], LongList<parTriFace>())
         );
 
-    //- go through the tets and add the ones having vertices at parallel
+    //- loop over triangles and add the ones having vertices at parallel
     //- boundaries for sending
     forAll(surf_, triI)
     {
@@ -328,35 +328,52 @@ void partTriMesh::createBufferLayers()
         }
     }
 
-    LongList<parTriFace> receivedTrias;
+    //- receive triangles sent to this processor
-    help::exchangeMap(exchangeTrias, receivedTrias);
+    std::map<label, List<parTriFace> > receivedTriangles;
+    help::exchangeMap(exchangeTrias, receivedTriangles);
     exchangeTrias.clear();
 
+    //- add triangles into the mesh and update the addressing
     Map<label> newGlobalToLocal;
     std::map<label, point> addCoordinates;
     label nPoints = pts.size();
+    for
+    (
+        std::map<label, List<parTriFace> >::const_iterator it =
+        receivedTriangles.begin();
+        it!=receivedTriangles.end();
+        ++it
+    )
+    {
+        const List<parTriFace>& receivedTrias = it->second;
+
         forAll(receivedTrias, i)
         {
             const parTriFace& tri = receivedTrias[i];
 
-        DynList<label, 3> triPointLabels;
+            DynList<label, 3> triPointLabels(3);
             for(label j=0;j<3;++j)
             {
                 const label gpI = tri.globalLabelOfPoint(j);
 
                 if( globalToLocal.found(gpI) )
                 {
+                    //- point already exists in the triangulation
                     const label pI = globalToLocal[gpI];
-                triPointLabels.append(pI);
+                    triPointLabels[j] = pI;
                 }
                 else if( newGlobalToLocal.found(gpI) )
                 {
-                triPointLabels.append(newGlobalToLocal[gpI]);
+                    //- point is already added into the triangulation
+                    triPointLabels[j] = newGlobalToLocal[gpI];
+                    pProcs.appendIfNotIn(newGlobalToLocal[gpI], it->first);
                 }
                 else
                 {
+                    //- point does not exist in the triangulation
+                    //- and is not yet added in
                     newGlobalToLocal.insert(gpI, nPoints);
-                triPointLabels.append(nPoints);
+                    triPointLabels[j] = nPoints;
 
                     point tp;
                     if( j == 0 )
@@ -377,12 +394,12 @@ void partTriMesh::createBufferLayers()
                     pointLabelInMeshSurface_.append(-1);
                     pointType_.append(NONE);
 
-                DynList<label> helper;
+                    DynList<label> triAtProcs;
-                helper.append(surf_.size());
+                    triAtProcs.append(it->first);
 
                     globalPointLabel.append(gpI);
-                helper[0] = Pstream::myProcNo();
+                    triAtProcs.append(Pstream::myProcNo());
-                pProcs.appendList(helper);
+                    pProcs.appendList(triAtProcs);
                 }
             }
 
@@ -398,6 +415,7 @@ void partTriMesh::createBufferLayers()
                 )
             );
         }
+    }
 
     //- store newly added points
     pts.setSize(nPoints);

src/mesh/cfMesh/meshLibrary/utilities/meshes/polyMeshGen/boundaryPatch/boundaryPatch.C

@@ -56,8 +56,7 @@ boundaryPatch::boundaryPatch
 boundaryPatch::boundaryPatch(const word& name, const dictionary& dict)
 :
     boundaryPatchBase(name, dict)
-{
+{}
-}
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
@@ -80,7 +79,7 @@ void boundaryPatch::write(Ostream& os) const
 
 void boundaryPatch::writeDict(Ostream& os) const
 {
-    
+    this->operator<<(os);
 }
 
 Ostream& boundaryPatch::operator<<(Ostream& os) const

src/mesh/cfMesh/meshLibrary/utilities/meshes/polyMeshGen/polyMeshGenFaces.C

@@ -31,6 +31,7 @@ Description
 #include "IOobjectList.H"
 #include "faceSet.H"
 #include "demandDrivenData.H"
+#include "stringListOps.H"
 
 namespace Foam
 {
@@ -66,8 +67,7 @@ polyMeshGenFaces::polyMeshGenFaces(const Time& runTime)
     nIntFaces_(0),
     ownerPtr_(NULL),
     neighbourPtr_(NULL)
-{
+{}
-}
 
 //- Construct from components without the boundary
 polyMeshGenFaces::polyMeshGenFaces
@@ -95,8 +95,7 @@ polyMeshGenFaces::polyMeshGenFaces
     nIntFaces_(0),
     ownerPtr_(NULL),
     neighbourPtr_(NULL)
-{
+{}
-}
 
 //- Construct from components with the boundary
 polyMeshGenFaces::polyMeshGenFaces
@@ -201,6 +200,65 @@ label polyMeshGenFaces::faceIsInPatch(const label faceLabel) const
     return -1;
 }
 
+wordList polyMeshGenFaces::patchNames() const
+{
+    wordList t(boundaries_.size());
+
+    forAll(boundaries_, patchI)
+    {
+        t[patchI] = boundaries_[patchI].patchName();
+    }
+
+    return t;
+}
+
+label polyMeshGenFaces::getPatchID(const word& patchName) const
+{
+    forAll(boundaries_, patchI)
+    {
+        if(boundaries_.set(patchI))
+        {
+            if(boundaries_[patchI].patchName() == patchName)
+            {
+                return patchI;
+            }
+        }
+    }
+
+    // If the code gets here, it implies that the patch was not found.
+    // return a -1 in this case
+    return -1;
+}
+
+word polyMeshGenFaces::getPatchName(const label patchID) const
+{
+    if((patchID < 0) || (patchID >= boundaries_.size()))
+    {
+         FatalErrorIn
+         (
+             "polyMeshGenFaces::getPatchName(const label patchID) const"
+         )   << "invalid patch ID supplied"
+             << abort(FatalError);
+    }
+
+    return boundaries_[patchID].patchName();
+}
+
+labelList polyMeshGenFaces::findPatches(const word& patchName) const
+{
+    wordList allPatches = patchNames();
+
+    labelList patchIDs = findStrings(patchName, allPatches);
+
+    if(patchIDs.empty())
+    {
+        WarningIn("polyMeshGenFaces::findPatches(const word&)")
+            << "Cannot find any patch names matching " << patchName << endl;
+    }
+
+    return patchIDs;
+}
+
 label polyMeshGenFaces::addFaceSubset(const word& setName)
 {
     label id = faceSubsetIndex(setName);

src/mesh/cfMesh/meshLibrary/utilities/meshes/polyMeshGen/polyMeshGenFaces.H

@@ -143,6 +143,19 @@ public:
         //- return patch label for the given face label
         label faceIsInPatch(const label faceLabel) const;
 
+        //- return list of patches in the boundary
+        wordList patchNames() const;
+
+        //- return the index of a patch given its name
+        label getPatchID(const word& patchName) const;
+
+        //- return the name of a patch given its ID
+        word getPatchName(const label patchID) const;
+
+        //- return a list of patch indices corresponding to the given
+        // name, expanding regular expressions
+        labelList findPatches(const word& patchName) const;
+
     // Subsets
 
         label addFaceSubset(const word&);

src/mesh/cfMesh/meshLibrary/utilities/meshes/polyMeshGen/polyMeshGenPoints.H

@@ -37,7 +37,6 @@ SourceFiles
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-#include "objectRegistry.H"
 #include "Time.H"
 #include "meshSubset.H"
 #include "pointFieldPMG.H"

src/mesh/cfMesh/meshLibrary/utilities/meshes/triSurf/triSurf.C

@@ -29,7 +29,10 @@ Description
 #include "demandDrivenData.H"
 #include "IFstream.H"
 #include "OFstream.H"
+#include "Time.H"
+
 #include "gzstream.h"
+
 #include "triSurface.H"
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

src/mesh/cfMesh/meshLibrary/utilities/meshes/triSurf/triSurfFacets.C

@@ -29,6 +29,7 @@ Description
 #include "pointIOField.H"
 #include "IOobjectList.H"
 #include "pointSet.H"
+#include "stringListOps.H"
 
 namespace Foam
 {
@@ -72,6 +73,35 @@ triSurfFacets::~triSurfFacets()
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
+wordList triSurfFacets::patchNames() const
+{
+    wordList t(patches_.size());
+
+    forAll(patches_, patchI)
+    {
+        t[patchI] = patches_[patchI].name();
+    }
+
+    return t;
+}
+
+labelList triSurfFacets::findPatches(const word& patchName) const
+{
+    const wordList allPatches = patchNames();
+
+    const labelList patchIDs = findStrings(patchName, allPatches);
+
+    # ifdef DEBUGtriSurf
+    if(patchIDs.empty())
+    {
+        WarningIn("triSurfFacets::findPatches(const word&)")
+            << "Cannot find any patch names matching " << patchName << endl;
+    }
+    # endif
+
+    return patchIDs;
+}
+
 label triSurfFacets::addFacetSubset(const word& subsetName)
 {
     label id = facetSubsetIndex(subsetName);

src/mesh/cfMesh/meshLibrary/utilities/meshes/triSurf/triSurfFacets.H

@@ -98,6 +98,13 @@ public:
         //- access to patches
         inline const geometricSurfacePatchList& patches() const;
 
+        //- return list of patches in the boundary
+        wordList patchNames() const;
+
+        //- return a list of patch indices corresponding to the given
+        // name, expanding regular expressions
+        labelList findPatches(const word& patchName) const;
+
         //- append a triangle to the end of the list
         inline void appendTriangle(const labelledTri& tria);
 

src/mesh/cfMesh/meshLibrary/utilities/octrees/meshOctree/meshOctreeAddressing/meshOctreeAddressingCreation.C

@@ -374,17 +374,19 @@ void meshOctreeAddressing::findUsedBoxes() const
             boolList removeFacets(ts.size(), false);
 
             //- remove facets in patches
-            forAll(ts.patches(), patchI)
+            forAllConstIter(HashSet<word>, patchesToRemove, it)
-            {
-                if( patchesToRemove.found(ts.patches()[patchI].name()) )
             {
+                const labelList matchedPatches = ts.findPatches(it.key());
+                boolList activePatch(ts.patches().size(), false);
+                forAll(matchedPatches, ptchI)
+                    activePatch[matchedPatches[ptchI]] = true;
+
                 forAll(ts, triI)
                 {
-                        if( ts[triI].region() == patchI )
+                    if( activePatch[ts[triI].region()] )
                         removeFacets[triI] = true;
                 }
             }
-            }
 
             //- remove facets in subsets
             forAllConstIter(HashSet<word>, patchesToRemove, it)
@@ -441,20 +443,22 @@ void meshOctreeAddressing::findUsedBoxes() const
         const triSurf& ts = octree_.surface();
         boolList keepFacets(ts.size(), false);
 
-        //- remove facets in patches
+        //- keep facets in patches
-        forAll(ts.patches(), patchI)
+        forAllConstIter(HashSet<word>, patchesToKeep, it)
-        {
-            if( patchesToKeep.found(ts.patches()[patchI].name()) )
         {
+            const labelList matchedPatches = ts.findPatches(it.key());
+            boolList activePatch(ts.patches().size(), false);
+            forAll(matchedPatches, ptchI)
+                activePatch[matchedPatches[ptchI]] = true;
+
             forAll(ts, triI)
             {
-                    if( ts[triI].region() == patchI )
+                if( activePatch[ts[triI].region()] )
                     keepFacets[triI] = true;
             }
         }
-        }
 
-        //- remove facets in subsets
+        //- keep facets in subsets
         forAllConstIter(wordHashSet, patchesToKeep, it)
         {
             const label subsetID = ts.facetSubsetIndex(it.key());
@@ -900,7 +904,11 @@ void meshOctreeAddressing::createOctreeFaces() const
 
     forAll(sum, lfI)
     {
-        if( Pstream::parRun() && octree_.returnLeaf(lfI).procNo() != Pstream::myProcNo() )
+        if
+        (
+            Pstream::parRun() &&
+            octree_.returnLeaf(lfI).procNo() != Pstream::myProcNo()
+        )
             continue;
         if( (boxType[lfI] & MESHCELL) && (mag(sum[lfI]) > SMALL) )
             Info << "Leaf " << lfI << " is not closed " << sum[lfI] << endl;

src/mesh/cfMesh/meshLibrary/utilities/octrees/meshOctree/meshOctreeAutomaticRefinement/meshOctreeAutomaticRefinement.H

@@ -37,7 +37,6 @@ SourceFiles
 #define meshOctreeAutomaticRefinement_H
 
 #include "meshOctreeModifier.H"
-#include "IOdictionary.H"
 //#include "volFields.H"
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
@@ -61,7 +60,7 @@ class meshOctreeAutomaticRefinement
         meshOctree& octree_;
 
         //- const reference to mesh dictionary
-        const dictionary& meshDict_;
+        const IOdictionary& meshDict_;
 
         //- use DATA boxes
         bool useDATABoxes_;

src/mesh/cfMesh/meshLibrary/utilities/octrees/meshOctree/meshOctreeCreator/meshOctreeCreator.C

@@ -47,7 +47,8 @@ meshOctreeCreator::meshOctreeCreator(meshOctree& mo)
     meshDictPtr_(NULL),
     hexRefinement_(false),
     globalRefLevel_(0),
-    surfRefLevel_(mo.surface().size(), direction(0))
+    surfRefLevel_(mo.surface().size(), direction(0)),
+    surfRefThickness_(mo.surface().size(), 0.0)
 {}
 
 meshOctreeCreator::meshOctreeCreator
@@ -61,7 +62,8 @@ meshOctreeCreator::meshOctreeCreator
     meshDictPtr_(&dict),
     hexRefinement_(false),
     globalRefLevel_(0),
-    surfRefLevel_(mo.surface().size(), direction(0))
+    surfRefLevel_(mo.surface().size(), direction(0)),
+    surfRefThickness_(mo.surface().size(), 0.0)
 {}
 
 /*
@@ -77,7 +79,8 @@ meshOctreeCreator::meshOctreeCreator
     meshDict_(dict),
     hexRefinement_(false),
     globalRefLevel_(0),
-    surfRefLevel_(mo.surface().size(), direction(0))
+    surfRefLevel_(mo.surface().size(), direction(0)),
+    surfRefThickness_(mo.surface().size(), 0.0)
 {
     FatalErrorIn
     (

src/mesh/cfMesh/meshLibrary/utilities/octrees/meshOctree/meshOctreeCreator/meshOctreeCreator.H

@@ -37,7 +37,6 @@ SourceFiles
 
 #include "boolList.H"
 #include "DynList.H"
-#include "IOdictionary.H"
 #include "meshOctreeModifier.H"
 //#include "volFields.H"
 #include "patchRefinementList.H"
@@ -50,6 +49,7 @@ namespace Foam
 {
 
 // Forward declarations
+class IOdictionary;
 class meshOctreeCube;
 
 /*---------------------------------------------------------------------------*\
@@ -80,6 +80,10 @@ private:
         //- refine boxes contained inside the objects for refinement
         void refineBoxesContainedInObjects();
 
+        //- refine boxes intersected by surface meshes
+        //- used as refinement sources
+        void refineBoxesIntersectingSurfaces();
+
         //- refine boxes near DATA boxes to get a nice smooth surface
         void refineBoxesNearDataBoxes(const direction nLayers = 1);
 
@@ -104,6 +108,9 @@ private:
         //- this list contains ref level for each surface triangle
         List<direction> surfRefLevel_;
 
+        //- refinement thickness for each surface triangle
+        scalarList surfRefThickness_;
+
         //- set the boundBox such that maxCellSize is achieved
         void setRootCubeSizeAndRefParameters();
 
@@ -124,15 +131,6 @@ public:
         //- Construct from meshOctree and dictionary
         meshOctreeCreator(meshOctree& mo, const IOdictionary& dict);
 
-        //- Construct from surface, dictionary and cell sizes
-        /*        meshOctreeCreator
-                (
-                    meshOctree& mo,
-                    const IOdictionary& dict,
-                    const volScalarField& localCellSize
-                );
-        */
-
     // Destructor
 
         ~meshOctreeCreator();

src/mesh/cfMesh/meshLibrary/utilities/octrees/meshOctree/meshOctreeCreator/meshOctreeCreatorAdjustOctreeToSurface.C

@@ -32,6 +32,7 @@ Description
 #include "objectRefinementList.H"
 #include "VRWGraph.H"
 #include "meshOctreeModifier.H"
+#include "helperFunctions.H"
 #include "HashSet.H"
 
 # ifdef USE_OMP
@@ -54,7 +55,7 @@ void meshOctreeCreator::refineBoundary()
     const LongList<meshOctreeCube*>& leaves = octreeModifier.leavesAccess();
 
     //- refine DATA boxes to the given level
-    Info << "Refining data boxes to the given size" << endl;
+    Info << "Refining boundary boxes to the given size" << endl;
 
     label nMarked;
     do
@@ -66,6 +67,9 @@ void meshOctreeCreator::refineBoundary()
         # endif
 
         List<direction> refineCubes(leaves.size(), direction(0));
+        labelList nLayers(leaves.size(), 0);
+        List<direction> targetLevel(leaves.size(), direction(0));
+        bool useNLayers(false);
 
         //- select boxes which need to be refined
         # ifdef USE_OMP
@@ -86,18 +90,54 @@ void meshOctreeCreator::refineBoundary()
                 const VRWGraph& containedTriangles =
                     oc.slotPtr()->containedTriangles_;
 
+                const scalar cs = oc.size(octree_.rootBox());
+
+                bool refine(false);
                 forAllRow(containedTriangles, elRowI, tI)
                 {
                     const label triI = containedTriangles(elRowI, tI);
 
                     if( surfRefLevel_[triI] > oc.level() )
                     {
-                        ++nMarked;
+                        refine = true;
+                    }
+
+                    if( surfRefThickness_[triI] > VSMALL )
+                    {
+                        useNLayers = true;
+
+                        nLayers[leafI] =
+                            Foam::max
+                            (
+                                nLayers[leafI],
+                                Foam::max(label(surfRefThickness_[triI]/cs), 1)
+                            );
+
+                        targetLevel[leafI] =
+                            Foam::max(targetLevel[leafI], surfRefLevel_[triI]);
+                    }
+                }
+
+                if( refine )
+                {
                     refineCubes[leafI] = 1;
-                        break;
+                    ++nMarked;
                 }
             }
         }
+
+        //- mark additional boxes for refinement to achieve
+        //- correct refinement distance
+        reduce(useNLayers, maxOp<label>());
+        if( useNLayers )
+        {
+            nMarked +=
+                octreeModifier.markAdditionalLayers
+                (
+                    refineCubes,
+                    nLayers,
+                    targetLevel
+                );
         }
 
         //- refine boxes
@@ -132,7 +172,7 @@ void meshOctreeCreator::refineBoundary()
 
     } while( nMarked );
 
-    Info << "Finished refining data boxes" << endl;
+    Info << "Finished refining boundary boxes" << endl;
 }
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
@@ -147,7 +187,7 @@ void meshOctreeCreator::refineBoxesContainedInObjects()
     Info << "Refining boxes inside objects" << endl;
     objectRefinementList refObjects;
 
-    // Read polyPatchList
+    // Read objects
     if( meshDictPtr_->isDict("objectRefinements") )
     {
         const dictionary& dict = meshDictPtr_->subDict("objectRefinements");
@@ -197,16 +237,23 @@ void meshOctreeCreator::refineBoxesContainedInObjects()
     scalar s(readScalar(meshDictPtr_->lookup("maxCellSize")));
 
     List<direction> refLevels(refObjects.size(), globalRefLevel_);
+    scalarList refThickness(refObjects.size(), 0.0);
+
+    forAll(refThickness, oI)
+        refThickness[oI] = refObjects[oI].refinementThickness();
+
     label nMarked;
     do
     {
         nMarked = 0;
         forAll(refObjects, oI)
+        {
             if( refObjects[oI].cellSize() <= s * (1.+SMALL) )
             {
                 ++nMarked;
                 ++refLevels[oI];
             }
+        }
 
         s /= 2.0;
 
@@ -238,6 +285,9 @@ void meshOctreeCreator::refineBoxesContainedInObjects()
         nMarked = 0;
 
         List<direction> refineCubes(leaves.size(), direction(0));
+        labelList nLayers(leaves.size(), 0);
+        List<direction> targetRefLevel(leaves.size(), direction(0));
+        bool useNLayers(false);
 
         //- select boxes which need to be refined
         # ifdef USE_OMP
@@ -254,22 +304,56 @@ void meshOctreeCreator::refineBoxesContainedInObjects()
             boundBox bb;
             oc.cubeBox(rootBox, bb.min(), bb.max());
 
+            bool refine(false);
             forAll(refObjects, oI)
-                if(
+            {
-                    (oc.level() < refLevels[oI]) &&
+                if( refObjects[oI].intersectsObject(bb) )
-                    refObjects[oI].intersectsObject(bb)
-                )
                 {
                     # ifdef DEBUGSearch
                     Info << "Marking leaf " << leafI
                         << " for refinement" << endl;
                     # endif
 
-                    ++nMarked;
+                    if( oc.level() < refLevels[oI] )
-                    refineCubes[leafI] = 1;
+                        refine = true;
-                    break;
+
+                    if( refThickness[oI] > VSMALL )
+                    {
+                        const scalar cs = bb.max().x() - bb.min().x();
+                        nLayers[leafI] =
+                            Foam::max
+                            (
+                                nLayers[leafI],
+                                Foam::max(label(refThickness[oI]/cs), 1)
+                            );
+
+                        targetRefLevel[leafI] =
+                            Foam::max(targetRefLevel[leafI], refLevels[oI]);
+                        useNLayers = true;
                     }
                 }
+            }
+
+            if( refine )
+            {
+                refineCubes[leafI] = 1;
+                ++nMarked;
+            }
+        }
+
+        //- mark additional boxes for refinement to achieve
+        //- correct refinement distance
+        reduce(useNLayers, maxOp<label>());
+        if( useNLayers )
+        {
+            nMarked +=
+                octreeModifier.markAdditionalLayers
+                (
+                    refineCubes,
+                    nLayers,
+                    targetRefLevel
+                );
+        }
 
         //- refine boxes
         octreeModifier.refineSelectedBoxes(refineCubes, hexRefinement_);
@@ -309,6 +393,234 @@ void meshOctreeCreator::refineBoxesContainedInObjects()
     createInsideOutsideInformation();
 }
 
+void meshOctreeCreator::refineBoxesIntersectingSurfaces()
+{
+    if( !meshDictPtr_ || !meshDictPtr_->found("surfaceMeshRefinement") )
+    {
+        return;
+    }
+
+    Info << "Refining boxes intersecting surface meshes" << endl;
+
+    label nMarked;
+
+    //- read surface meshes and calculate the refinement level for each
+    //- surface mesh
+    const dictionary& surfDict = meshDictPtr_->subDict("surfaceMeshRefinement");
+    const wordList surfaces = surfDict.toc();
+    PtrList<triSurf> surfaceMeshesPtr(surfaces.size());
+    List<direction> refLevels(surfaces.size(), globalRefLevel_);
+    scalarList refThickness(surfaces.size());
+
+    //- load surface meshes into memory
+    forAll(surfaceMeshesPtr, surfI)
+    {
+        const dictionary& dict = surfDict.subDict(surfaces[surfI]);
+
+        const fileName fName(dict.lookup("surfaceFile"));
+
+        surfaceMeshesPtr.set
+        (
+            surfI,
+            new triSurf(fName)
+        );
+
+        direction addLevel(0);
+        if( dict.found("cellSize") )
+        {
+            scalar s(readScalar(meshDictPtr_->lookup("maxCellSize")));
+
+            const scalar cs = readScalar(dict.lookup("cellSize"));
+
+            do
+            {
+                nMarked = 0;
+                if( cs <= s * (1.+SMALL) )
+                {
+                    ++nMarked;
+                    ++addLevel;
+                }
+
+                s /= 2.0;
+
+            } while( nMarked != 0 );
+        }
+        else if( dict.found("additionalRefinementLevels") )
+        {
+            addLevel =
+                readLabel(dict.lookup("additionalRefinementLevels"));
+        }
+
+        if( dict.found("refinementThickness") )
+        {
+            refThickness[surfI] =
+                readScalar(dict.lookup("refinementThickness"));
+        }
+
+        //- set the refinement level for the current surface
+        refLevels[surfI] += addLevel;
+    }
+
+    if( octree_.neiProcs().size() )
+        forAll(refLevels, oI)
+        {
+            label l = refLevels[oI];
+            reduce(l, maxOp<label>());
+            refLevels[oI] = l;
+        }
+
+    //- start refining boxes intersecting triangles in each refinement surface
+    const boundBox& rootBox = octree_.rootBox();
+    const vector tol = SMALL * rootBox.span();
+    meshOctreeModifier octreeModifier(octree_);
+    const LongList<meshOctreeCube*>& leaves = octreeModifier.leavesAccess();
+    DynList<label> leavesInBox, intersectedLeaves;
+
+    do
+    {
+        # ifdef OCTREETiming
+        const scalar startIter = omp_get_wtime();
+        # endif
+
+        nMarked = 0;
+
+        List<direction> refineCubes(leaves.size(), direction(0));
+        labelList nLayers(leaves.size(), 0);
+        List<direction> targetRefLevel(leaves.size(), direction(0));
+        bool useNLayers(false);
+
+        //- select boxes which need to be refined
+        forAll(surfaceMeshesPtr, surfI)
+        {
+            const triSurf& surf = surfaceMeshesPtr[surfI];
+            const pointField& points = surf.points();
+
+            # ifdef USE_OMP
+            # pragma omp parallel for \
+            reduction( + : nMarked) schedule(dynamic, 10) \
+            private(leavesInBox,intersectedLeaves)
+            # endif
+            forAll(surf, triI)
+            {
+                //- find the bounding box of the current triangle
+                const labelledTri& tri = surf[triI];
+                boundBox triBB(points[tri[0]], points[tri[0]]);
+                for(label pI=1;pI<3;++pI)
+                {
+                    triBB.min() = Foam::min(triBB.min(), points[tri[pI]]);
+                    triBB.max() = Foam::max(triBB.max(), points[tri[pI]]);
+                }
+
+                triBB.min() -= tol;
+                triBB.max() += tol;
+
+                //- find octree leaves inside the bounding box
+                leavesInBox.clear();
+                octree_.findLeavesContainedInBox(triBB, leavesInBox);
+
+                //- check which of the leaves are intersected by the triangle
+                intersectedLeaves.clear();
+                forAll(leavesInBox, i)
+                {
+                    const label leafI = leavesInBox[i];
+
+                    const meshOctreeCube& oc = *leaves[leafI];
+
+                    if( oc.intersectsTriangleExact(surf, rootBox, triI) )
+                    {
+                        intersectedLeaves.append(leafI);
+
+                        if( oc.level() < refLevels[surfI] )
+                        {
+                            # ifdef DEBUGSearch
+                            Info << "Marking leaf " << leafI
+                                << " with coordinates " << oc
+                                << " for refinement" << endl;
+                            # endif
+
+                            if( !refineCubes[leafI] )
+                                ++nMarked;
+                            refineCubes[leafI] = 1;
+                        }
+                    }
+                }
+
+                if( refThickness[surfI] > VSMALL )
+                {
+                    useNLayers = true;
+
+                    forAll(intersectedLeaves, i)
+                    {
+                        const label leafI = intersectedLeaves[i];
+                        const meshOctreeCube& oc = *leaves[leafI];
+                        const scalar cs = oc.size(rootBox);
+
+                        nLayers[leafI] =
+                            Foam::max
+                            (
+                                nLayers[leafI],
+                                max(label(refThickness[surfI]/cs), 1)
+                            );
+
+                        targetRefLevel[leafI] =
+                            Foam::max
+                            (
+                                targetRefLevel[leafI],
+                                refLevels[surfI]
+                            );
+                    }
+                }
+            }
+        }
+
+        //- mark additional boxes for refinement to achieve
+        //- correct refinement distance
+        reduce(useNLayers, maxOp<label>());
+        if( useNLayers )
+        {
+            nMarked +=
+                octreeModifier.markAdditionalLayers
+                (
+                    refineCubes,
+                    nLayers,
+                    targetRefLevel
+                );
+        }
+
+        //- refine boxes
+        octreeModifier.refineSelectedBoxes(refineCubes, hexRefinement_);
+
+        # ifdef OCTREETiming
+        const scalar refTime = omp_get_wtime();
+        Info << "Time for refinement " << (refTime-startIter) << endl;
+        # endif
+
+        if( octree_.neiProcs().size() != 0 )
+        {
+            reduce(nMarked, sumOp<label>());
+            if( nMarked )
+            {
+                octreeModifier.distributeLeavesToProcessors();
+
+                # ifdef OCTREETiming
+                const scalar distTime = omp_get_wtime();
+                Info << "Time for distributing data to processors "
+                << (distTime-refTime) << endl;
+                # endif
+
+                loadDistribution(false);
+
+                # ifdef OCTREETiming
+                Info << "Time for load distribution "
+                << (omp_get_wtime()-distTime) << endl;
+                # endif
+            }
+        }
+    } while( nMarked != 0 );
+
+    Info << "Finished refinement of boxes intersecting surface meshes" << endl;
+}
+
 void meshOctreeCreator::refineBoxesNearDataBoxes(const direction nLayers)
 {
     # ifdef OCTREETiming

src/mesh/cfMesh/meshLibrary/utilities/octrees/meshOctree/meshOctreeCreator/meshOctreeCreatorCreateOctreeBoxes.C

@@ -156,6 +156,16 @@ void meshOctreeCreator::setRootCubeSizeAndRefParameters()
         Info << "Requested boundary cell size corresponds to octree level "
             << label(boundaryRefLevel_) << endl;
 
+        if( meshDictPtr_->found("boundaryCellSizeRefinementThickness") )
+        {
+            const scalar s =
+                readScalar
+                (
+                    meshDictPtr_->lookup("boundaryCellSizeRefinementThickness")
+                );
+            surfRefThickness_ = mag(s);
+        }
+
         surfRefLevel_ = boundaryRefLevel_;
     }
 
@@ -169,7 +179,10 @@ void meshOctreeCreator::setRootCubeSizeAndRefParameters()
             const dictionary& dict = meshDictPtr_->subDict("patchCellSize");
             const wordList patchNames = dict.toc();
 
-            refPatches.setSize(patchNames.size());
+            const wordList allPatches = surface.patchNames();
+
+            refPatches.setSize(allPatches.size());
+
             label counter(0);
 
             forAll(patchNames, patchI)
@@ -180,9 +193,14 @@ void meshOctreeCreator::setRootCubeSizeAndRefParameters()
                 const dictionary& patchDict = dict.subDict(patchNames[patchI]);
                 const scalar cs = readScalar(patchDict.lookup("cellSize"));
 
-                refPatches[counter] = patchRefinement(patchNames[patchI], cs);
+                labelList matchedIDs = surface.findPatches(patchNames[patchI]);
+                forAll(matchedIDs, matchI)
+                {
+                    refPatches[counter] =
+                        patchRefinement(allPatches[matchedIDs[matchI]], cs);
                     ++counter;
                 }
+            }
 
             refPatches.setSize(counter);
         }
@@ -317,11 +335,6 @@ void meshOctreeCreator::setRootCubeSizeAndRefParameters()
             const dictionary& dict = meshDictPtr_->subDict("localRefinement");
             const wordList entries = dict.toc();
 
-            //- map patch name to its index
-            std::map<word, label> patchToIndex;
-            forAll(surface.patches(), patchI)
-                patchToIndex[surface.patches()[patchI].name()] = patchI;
-
             //- map a facet subset name to its index
             std::map<word, label> setToIndex;
             DynList<label> setIDs;
@@ -367,18 +380,35 @@ void meshOctreeCreator::setRootCubeSizeAndRefParameters()
                     } while( !finished );
                 }
 
+                scalar refinementThickness(0.0);
+                if( patchDict.found("refinementThickness") )
+                {
+                    refinementThickness =
+                        readScalar(patchDict.lookup("refinementThickness"));
+                }
+
                 const direction level = globalRefLevel_ + nLevel;
 
-                if( patchToIndex.find(pName) != patchToIndex.end() )
+                const labelList matchedPatches = surface.findPatches(pName);
+
+                forAll(matchedPatches, matchI)
                 {
                     //- patch-based refinement
-                    const label patchI = patchToIndex[pName];
+                    const label patchI = matchedPatches[matchI];
 
                     forAll(surface, triI)
                     {
                         if( surface[triI].region() == patchI )
+                        {
                             surfRefLevel_[triI] =
                                 Foam::max(surfRefLevel_[triI], level);
+                            surfRefThickness_[triI] =
+                                Foam::max
+                                (
+                                    surfRefThickness_[triI],
+                                    refinementThickness
+                                );
+                        }
                     }
                 }
                 if( setToIndex.find(pName) != setToIndex.end() )
@@ -394,6 +424,13 @@ void meshOctreeCreator::setRootCubeSizeAndRefParameters()
                         const label triI = facetsInSubset[i];
                         surfRefLevel_[triI] =
                             Foam::max(surfRefLevel_[triI], level);
+
+                        surfRefThickness_[triI] =
+                            Foam::max
+                            (
+                                surfRefThickness_[triI],
+                                refinementThickness
+                            );
                     }
                 }
             }
@@ -418,6 +455,9 @@ void meshOctreeCreator::createOctreeBoxes()
     Info << "Refining boundary" << endl;
     refineBoundary();
 
+    //- refine parts intersected with surface mesh serving as refinement sources
+    refineBoxesIntersectingSurfaces();
+
     //- perform automatic octree refinement
     if( !Pstream::parRun() )
     {

src/mesh/cfMesh/meshLibrary/utilities/octrees/meshOctree/meshOctreeCube/meshOctreeCube.H

@@ -97,9 +97,6 @@ class meshOctreeCube
         //- this is needed for parallel coarsening of the octree
         //inline void reclaimDataFromChild(const label scI);
 
-        //- Disallow default bitwise copy construct
-        meshOctreeCube(const meshOctreeCube&);
-
         //- Disallow copy construct from meshOctreeCubeBasic
         meshOctreeCube(const meshOctreeCubeBasic&);
 
@@ -110,6 +107,9 @@ public:
         //- Default constructor
         inline meshOctreeCube();
 
+        //- Copy construct
+        inline meshOctreeCube(const meshOctreeCube&);
+
         //- Construct from coordinates
         meshOctreeCube(const meshOctreeCubeCoordinates&);
 

src/mesh/cfMesh/meshLibrary/utilities/octrees/meshOctree/meshOctreeCube/meshOctreeCubeI.H

@@ -45,6 +45,16 @@ inline meshOctreeCube::meshOctreeCube()
     containedEdgesLabel_(-1)
 {}
 
+inline meshOctreeCube::meshOctreeCube(const meshOctreeCube& moc)
+:
+    meshOctreeCubeBasic(moc.coordinates(), moc.cubeType(), moc.procNo()),
+    activeSlotPtr_(moc.activeSlotPtr_),
+    subCubesPtr_(moc.subCubesPtr_),
+    cubeLabel_(moc.cubeLabel_),
+    containedElementsLabel_(moc.containedElementsLabel_),
+    containedEdgesLabel_(moc.containedEdgesLabel_)
+{}
+
 inline const meshOctreeSlot* meshOctreeCube::slotPtr() const
 {
     return activeSlotPtr_;

src/mesh/cfMesh/meshLibrary/utilities/octrees/meshOctree/meshOctreeCube/meshOctreeCubeRecursiveFunctions.C

@@ -46,9 +46,8 @@ void meshOctreeCube::leavesInBox
     DynList<const meshOctreeCube*, 256>& leaves
 ) const
 {
-    point min, max;
+    boundBox cubeBox;
-    this->cubeBox(rootBox, min, max);
+    this->cubeBox(rootBox, cubeBox.min(), cubeBox.max());
-    const boundBox cubeBox(min, max);
 
     if( cubeBox.overlaps(searchingBox) )
     {
@@ -74,8 +73,10 @@ void meshOctreeCube::leavesInBox
                 else if( Pstream::parRun() )
                 {
                     meshOctreeCubeCoordinates cc = refineForPosition(scI);
-                    cc.cubeBox(rootBox, min, max);
+
-                    const boundBox bb(min, max);
+                    boundBox bb;
+                    cc.cubeBox(rootBox, bb.min(), bb.max());
+
                     if( bb.overlaps(searchingBox) )
                         leaves.append(this);
                 }

src/mesh/cfMesh/meshLibrary/utilities/octrees/meshOctree/meshOctreeFindNearestSurfacePoint.C

@@ -225,7 +225,7 @@ bool meshOctree::findNearestEdgePoint
 
     DynList<const meshOctreeCube*, 256> neighbours;
 
-    const pointField& sp = surface_.points();
+    const pointField& sPoints = surface_.points();
     const edgeLongList& edges = surface_.edges();
     const VRWGraph& edgeFaces = surface_.edgeFacets();
 
@@ -255,12 +255,14 @@ bool meshOctree::findNearestEdgePoint
 
             forAll(ce, eI)
             {
+                const label edgeI = ce[eI];
+
                 //- find if the edge is in correct patches
                 bool correctPatches(true);
 
-                forAllRow(edgeFaces, ce[eI], efI)
+                forAllRow(edgeFaces, edgeI, efI)
                 {
-                    const label facetI = edgeFaces(ce[eI], efI);
+                    const label facetI = edgeFaces(edgeI, efI);
 
                     if( !regions.contains(surface_[facetI].region()) )
                     {
@@ -272,9 +274,10 @@ bool meshOctree::findNearestEdgePoint
                 if( !correctPatches )
                     continue;
 
-                const point s = sp[edges[ce[eI]].start()];
+                const edge& e = edges[edgeI];
-                const point e = sp[edges[ce[eI]].end()];
+                const point& sp = sPoints[e.start()];
-                const point np = help::nearestPointOnTheEdgeExact(s, e, p);
+                const point& ep = sPoints[e.end()];
+                const point np = help::nearestPointOnTheEdgeExact(sp, ep, p);
                 const scalar dSq = Foam::magSqr(np - p);
 
                 if( dSq < distSq )

src/mesh/cfMesh/meshLibrary/utilities/octrees/meshOctree/meshOctreeModifier/meshOctreeModifier.H

@@ -130,6 +130,16 @@ public:
             const direction nLayers = 1
         ) const;
 
+        //- mark additional layers around the leaves selected for refinement
+        //- given on a box-by-box basis
+        //- returns the number of boxes selected for refinement
+        label markAdditionalLayers
+        (
+            List<direction>& refineBox,
+            labelList& nLayers,
+            List<direction>& targetRefLevel
+        ) const;
+
         //- refine leaves marked for refinement
         //- hexRefinement is activated when it is required to refine all
         //- sons of the same father, if a single son gets marked for refinement

src/mesh/cfMesh/meshLibrary/utilities/octrees/meshOctree/meshOctreeModifier/meshOctreeModifierRefineSelectedBoxes.C

@@ -28,6 +28,7 @@ Description
 #include "meshOctreeModifier.H"
 #include "triSurf.H"
 #include "HashSet.H"
+#include "helperFunctions.H"
 
 # ifdef USE_OMP
 #include <omp.h>
@@ -163,6 +164,205 @@ void meshOctreeModifier::markAdditionalLayers
     }
 }
 
+label meshOctreeModifier::markAdditionalLayers
+(
+    List<direction>& refineBox,
+    labelList& nLayers,
+    List<direction>& targetRefLevel
+) const
+{
+    const FixedList<meshOctreeCubeCoordinates, 26>& rp =
+        octree_.regularityPositions_;
+    const LongList<meshOctreeCube*>& leaves = octree_.leaves_;
+
+    //- this is needed for parallel runs to reduce the length of messages
+    labelHashSet transferCoordinates;
+
+    FixedList<meshOctreeCube*, 26> neighbours;
+
+    labelList currentLayer(leaves.size());
+    forAll(targetRefLevel, leafI)
+    {
+        currentLayer[leafI] = targetRefLevel[leafI] ? 1 : 0;
+    }
+
+    bool changed;
+    label i(0), nMarked(0);
+    do
+    {
+        ++i;
+        changed = false;
+
+        labelList newNLayers = nLayers;
+        labelList newCurrentLayer = currentLayer;
+        List<direction> newTargetRefLevel = targetRefLevel;
+
+        LongList<meshOctreeCubeCoordinates> processorChecks;
+        labelLongList processorNLayers;
+        labelLongList processorTargetLevels;
+
+        forAll(leaves, leafI)
+        {
+            if( currentLayer[leafI] != i )
+                continue;
+
+            const meshOctreeCube* oc = leaves[leafI];
+
+            forAll(rp, posI)
+            {
+                const meshOctreeCubeCoordinates cc
+                (
+                    oc->coordinates() + rp[posI]
+                );
+
+                const label neiLabel = octree_.findLeafLabelForPosition(cc);
+
+                if( neiLabel > -1 )
+                {
+                    neighbours[posI] = leaves[neiLabel];
+                }
+                else if( neiLabel == -1 )
+                {
+                    neighbours[posI] = NULL;
+                }
+                else if( neiLabel == meshOctreeCubeBasic::OTHERPROC )
+                {
+                    neighbours[posI] = NULL;
+
+                    if( !transferCoordinates.found(leafI) )
+                    {
+                        processorChecks.append(oc->coordinates());
+                        processorNLayers.append(nLayers[leafI]);
+                        processorTargetLevels.append(targetRefLevel[leafI]);
+                        transferCoordinates.insert(leafI);
+                    }
+                }
+            }
+
+            forAll(neighbours, neiI)
+            {
+                const meshOctreeCube* nei = neighbours[neiI];
+                if( !nei ) continue;
+                if( !nei->isLeaf() ) continue;
+
+                if( i <= nLayers[leafI] )
+                {
+                    newNLayers[nei->cubeLabel()] =
+                        Foam::max(nLayers[nei->cubeLabel()], nLayers[leafI]);
+                    newTargetRefLevel[nei->cubeLabel()] =
+                        Foam::max
+                        (
+                            targetRefLevel[nei->cubeLabel()],
+                            targetRefLevel[leafI]
+                        );
+
+                    changed = true;
+                    newCurrentLayer[nei->cubeLabel()] = i+1;
+                }
+            }
+        }
+
+        if( octree_.neiProcs().size() )
+        {
+            std::map<label, LongList<meshOctreeCubeCoordinates> > eCoords;
+            std::map<label, labelLongList > eNLayers;
+            std::map<label, labelLongList > eTargetLevels;
+
+            forAll(octree_.neiProcs(), neiI)
+            {
+                const label neiProc = octree_.neiProcs()[neiI];
+                eCoords[neiProc] = processorChecks;
+                eNLayers[neiProc] = processorNLayers;
+                eTargetLevels[neiProc] = processorTargetLevels;
+            }
+
+            LongList<meshOctreeCubeCoordinates> receivedCoords;
+            help::exchangeMap(eCoords, receivedCoords);
+
+            labelLongList receivedNLayers;
+            help::exchangeMap(eNLayers, receivedNLayers);
+
+            labelLongList receivedTargetLevels;
+            help::exchangeMap(eTargetLevels, receivedTargetLevels);
+
+            if( receivedCoords.size() != receivedNLayers.size() )
+                FatalErrorIn
+                (
+                    "label meshOctreeModifier::markAdditionalLayers("
+                    "List<direction>&, labelList&, List<direction>&) const"
+                ) << "Invalid list size" << abort(FatalError);
+            if( receivedCoords.size() != receivedTargetLevels.size() )
+                FatalErrorIn
+                (
+                    "label meshOctreeModifier::markAdditionalLayers("
+                    "List<direction>&, labelList&, List<direction>&) const"
+                ) << "Invalid list size" << abort(FatalError);
+
+            //- check consistency with received cube coordinates
+            forAll(receivedCoords, ccI)
+            {
+                forAll(rp, posI)
+                {
+                    const meshOctreeCubeCoordinates cc
+                    (
+                        receivedCoords[ccI] + rp[posI]
+                    );
+
+                    const meshOctreeCube* nei =
+                        octree_.findCubeForPosition(cc);
+
+                    if( !nei ) continue;
+                    if( !nei->isLeaf() ) continue;
+
+                    if( i <= receivedNLayers[ccI] )
+                    {
+                        newNLayers[nei->cubeLabel()] =
+                            Foam::max
+                            (
+                                nLayers[nei->cubeLabel()],
+                                receivedNLayers[ccI]
+                            );
+
+                        newTargetRefLevel[nei->cubeLabel()] =
+                            Foam::max
+                            (
+                                targetRefLevel[nei->cubeLabel()],
+                                direction(receivedTargetLevels[ccI])
+                            );
+
+                        changed = true;
+                        newCurrentLayer[nei->cubeLabel()] = i+1;
+                    }
+                }
+            }
+        }
+
+        nLayers.transfer(newNLayers);
+        currentLayer.transfer(newCurrentLayer);
+        targetRefLevel.transfer(newTargetRefLevel);
+
+        //- exchange information with all processors
+        reduce(changed, maxOp<bool>());
+
+    } while( changed );
+
+    //- update refine data
+    forAll(targetRefLevel, leafI)
+    {
+        if
+        (
+            !refineBox[leafI] &&
+            (targetRefLevel[leafI] > leaves[leafI]->level())
+        )
+        {
+            refineBox[leafI] = 1;
+            ++nMarked;
+        }
+    }
+
+    return nMarked;
+}
+
 void meshOctreeModifier::refineSelectedBoxes
 (
     List<direction>& refineBox,

src/mesh/cfMesh/meshLibrary/utilities/octrees/meshOctree/refinementControls/objectRefinement/objectRefinement.C

@@ -40,7 +40,8 @@ defineRunTimeSelectionTable(objectRefinement, dictionary);
 objectRefinement::objectRefinement()
 :
     name_(),
-    cellSize_()
+    cellSize_(),
+    refThickness_(0.0)
 {}
 
 
@@ -51,8 +52,11 @@ objectRefinement::objectRefinement
 )
 :
     name_(name),
-    cellSize_(readScalar(dict.lookup("cellSize")))
+    cellSize_(readScalar(dict.lookup("cellSize"))),
+    refThickness_(0.0)
 {
+    if( dict.found("refinementThickness") )
+        refThickness_ = readScalar(dict.lookup("refinementThickness"));
 }
 
 // * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
@@ -62,101 +66,6 @@ objectRefinement::~objectRefinement()
 
 
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
-/*
-dictionary Foam::objectRefinement::dict(bool ignoreType) const
-{
-    dictionary dict;
-
-    dict.add("name", name_);
-
-    // only write type for derived types
-    if (!ignoreType && type() != typeName_())
-    {
-        dict.add("type", type());
-    }
-
-    dict.add("origin", origin_);
-    dict.add("e1", e1());
-    dict.add("e3", e3());
-
-    return dict;
-}
-
-void objectRefinement::write(Ostream& os) const
-{
-    os  << type()
-        << " origin: " << origin()
-        << " e1: " << e1() << " e3: " << e3();
-}
-
-
-void objectRefinement::writeDict(Ostream& os, bool subDict) const
-{
-    if (subDict)
-    {
-        os  << indent << name_ << nl
-            << indent << token::BEGIN_BLOCK << incrIndent << nl;
-    }
-
-    // only write type for derived types
-    if (type() != typeName_())
-    {
-        os.writeKeyword("type")  << type()      << token::END_STATEMENT << nl;
-    }
-
-    os.writeKeyword("origin") << origin_  << token::END_STATEMENT << nl;
-    os.writeKeyword("e1")     << e1()     << token::END_STATEMENT << nl;
-    os.writeKeyword("e3")     << e3()     << token::END_STATEMENT << nl;
-
-    if (subDict)
-    {
-        os << decrIndent << indent << token::END_BLOCK << endl;
-    }
-}
-
-void coordinateSystem::operator=(const dictionary& rhs)
-{
-    if (debug)
-    {
-        Pout<< "coordinateSystem::operator=(const dictionary&) : "
-            << "assign from " << rhs << endl;
-    }
-
-    // allow as embedded sub-dictionary "coordinateSystem"
-    const dictionary& dict =
-    (
-        rhs.found(typeName_())
-      ? rhs.subDict(typeName_())
-      : rhs
-    );
-
-    // unspecified origin is (0 0 0)
-    if (dict.found("origin"))
-    {
-        dict.lookup("origin") >> origin_;
-    }
-    else
-    {
-        origin_ = vector::zero;
-    }
-
-    // specify via coordinateRotation
-    if (dict.found("coordinateRotation"))
-    {
-        autoPtr<coordinateRotation> cr =
-            coordinateRotation::New(dict.subDict("coordinateRotation"));
-
-        R_  = cr();
-    }
-    else
-    {
-        // no sub-dictionary - specify via axes
-        R_ = coordinateRotation(dict);
-    }
-
-    Rtr_ = R_.T();
-}
-*/
 
 Ostream& operator<<(Ostream& os, const objectRefinement& obr)
 {

src/mesh/cfMesh/meshLibrary/utilities/octrees/meshOctree/refinementControls/objectRefinement/objectRefinement.H

@@ -62,6 +62,9 @@ class objectRefinement
         //- cell size for this object
         scalar cellSize_;
 
+        //- refinement thickness fro this object
+        scalar refThickness_;
+
 public:
 
     // Runtime type information
@@ -136,6 +139,18 @@ public:
             return cellSize_;
         }
 
+        //- set refinement thickness
+        void setRefinementThickness(const scalar refThickness)
+        {
+            refThickness_ = refThickness_;
+        }
+
+        //- return refinement thickness for this object
+        scalar refinementThickness() const
+        {
+            return refThickness_;
+        }
+
         //- Return as dictionary of entries
         virtual dictionary dict(bool ignoreType = false) const = 0;
 

src/mesh/cfMesh/meshLibrary/utilities/smoothers/geometry/meshOptimizer/meshOptimizer.C

@@ -139,7 +139,9 @@ meshOptimizer::meshOptimizer(polyMeshGen& mesh)
 :
     mesh_(mesh),
     vertexLocation_(mesh.points().size(), INSIDE),
-    msePtr_(NULL)
+    msePtr_(NULL),
+    enforceConstraints_(false),
+    badPointsSubsetName_()
 {
     const meshSurfaceEngine& mse = meshSurface();
     const labelList& bPoints = mse.boundaryPoints();
@@ -177,6 +179,15 @@ meshOptimizer::~meshOptimizer()
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
+void meshOptimizer::enforceConstraints(const word subsetName)
+{
+    enforceConstraints_ = true;
+
+    badPointsSubsetName_ = subsetName;
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
 } // End namespace Foam
 
 // ************************************************************************* //

src/mesh/cfMesh/meshLibrary/utilities/smoothers/geometry/meshOptimizer/meshOptimizer.H

@@ -70,6 +70,12 @@ class meshOptimizer
         //- mesh surface
         mutable meshSurfaceEngine* msePtr_;
 
+        //- enforce constraints
+        bool enforceConstraints_;
+
+        //- name of the subset contaning tangled points
+        word badPointsSubsetName_;
+
     // Private member functions
         //- return mesh surface
         const meshSurfaceEngine& meshSurface() const;
@@ -199,6 +205,12 @@ public:
         ~meshOptimizer();
 
     // Member Functions
+        //- Flag stopping the meshing process if it is not possible
+        //- to untangle the surface without sacrificing geometry constraints
+        //- Points which must be moved away from the required position are
+        //- stored into a point subset
+        void enforceConstraints(const word subsetName="badPoints");
+
         //- smooth surface vertices
         void optimizeSurface(const meshOctree&);
 

src/mesh/cfMesh/meshLibrary/utilities/smoothers/geometry/meshOptimizer/meshOptimizerOptimizeSurface.C

@@ -48,6 +48,9 @@ void meshOptimizer::optimizeSurface(const meshOctree& octree)
     meshSurfaceEngine& mse = const_cast<meshSurfaceEngine&>(meshSurface());
     meshSurfaceOptimizer surfaceOptimizer(mse, octree);
 
+    if( enforceConstraints_ )
+        surfaceOptimizer.enforceConstraints(badPointsSubsetName_);
+
     surfaceOptimizer.optimizeSurface();
 
     meshSurfaceMapper(mse, octree).mapVerticesOntoSurfacePatches();

src/mesh/cfMesh/meshLibrary/utilities/smoothers/geometry/meshOptimizer/optimizeMeshFV.C

@@ -25,6 +25,8 @@ Description
 
 \*---------------------------------------------------------------------------*/
 
+#include <stdexcept>
+
 #include "demandDrivenData.H"
 #include "meshOptimizer.H"
 #include "polyMeshGenAddressing.H"
@@ -154,7 +156,36 @@ void meshOptimizer::untangleMeshFV()
 
             //- perform optimisation
             if( nBadFaces == 0 )
+            {
                 break;
+            }
+            else if( enforceConstraints_ )
+            {
+                const label subsetId =
+                    mesh_.addPointSubset(badPointsSubsetName_);
+
+                forAllConstIter(labelHashSet, badFaces, it)
+                {
+                    const face& f = faces[it.key()];
+                    forAll(f, pI)
+                        mesh_.addPointToSubset(subsetId, f[pI]);
+                }
+
+                WarningIn
+                (
+                    "void meshOptimizer::untangleMeshFV()"
+                ) << "Writing mesh with " << badPointsSubsetName_
+                  << " subset. These points cannot be untangled"
+                  << " without sacrificing geometry constraints. Exitting.."
+                  << endl;
+
+                returnReduce(1, sumOp<label>());
+                throw std::logic_error
+                (
+                    "void meshOptimizer::untangleMeshFV()"
+                    "Cannot untangle mesh!!"
+                );
+            }
 
             partTetMesh tetMesh(mesh_, badFaces, 0);
             tetMeshOptimisation tmo(tetMesh);

src/mesh/cfMesh/meshLibrary/utilities/smoothers/geometry/meshOptimizer/symmetryPlaneOptimisation/symmetryPlaneOptimisation.C

@@ -0,0 +1,251 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | cfMesh: A library for mesh generation
+   \\    /   O peration     |
+    \\  /    A nd           | Author: Franjo Juretic (franjo.juretic@c-fields.com)
+     \\/     M anipulation  | Copyright (C) Creative Fields, Ltd.
+-------------------------------------------------------------------------------
+License
+    This file is part of cfMesh.
+
+    cfMesh is free software; you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by the
+    Free Software Foundation; either version 3 of the License, or (at your
+    option) any later version.
+
+    cfMesh is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with cfMesh.  If not, see <http://www.gnu.org/licenses/>.
+
+Description
+
+\*---------------------------------------------------------------------------*/
+
+#include "demandDrivenData.H"
+#include "symmetryPlaneOptimisation.H"
+#include "polyMeshGenAddressing.H"
+#include "helperFunctions.H"
+#include "polyMeshGenChecks.H"
+#include "meshOptimizer.H"
+
+// #define DEBUGSearch
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace Foam
+{
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+void symmetryPlaneOptimisation::detectSymmetryPlanes()
+{
+    const PtrList<boundaryPatch>& boundaries = mesh_.boundaries();
+    const pointFieldPMG& points = mesh_.points();
+    const faceListPMG& faces = mesh_.faces();
+
+    symmetryPlanes_.clear();
+
+    typedef std::map<label, std::pair<vector, label> > mapType;
+    mapType centreSum, normalSum;
+
+    forAll(boundaries, patchI)
+    {
+        if( boundaries[patchI].patchType() == "symmetryPlane" )
+        {
+            std::pair<vector, label>& cs = centreSum[patchI];
+            cs = std::pair<vector, label>(vector::zero, 0);
+
+            std::pair<vector, label>& ns = normalSum[patchI];
+            ns = std::pair<vector, label>(vector::zero, 0);
+
+            const label start = boundaries[patchI].patchStart();
+            const label end = start + boundaries[patchI].patchSize();
+            for(label faceI=start;faceI<end;++faceI)
+            {
+                cs.first += faces[faceI].centre(points);
+                ns.first += faces[faceI].normal(points);
+            }
+
+            cs.second = ns.second = boundaries[patchI].patchSize();
+        }
+    }
+
+    if( Pstream::parRun() )
+    {
+        //- sum up all normals and centres of all processors
+        //- every symmetry plane patch must be present on all processors
+        forAllIter(mapType, centreSum, pIter)
+        {
+            std::pair<vector, label>& cs = pIter->second;
+            reduce(cs.second, sumOp<label>());
+            reduce(cs.first, sumOp<vector>());
+
+            std::pair<vector, label>& ns = normalSum[pIter->first];
+            reduce(ns.first, sumOp<vector>());
+            ns.second = cs.second;
+        }
+    }
+
+    //- create planes corresponding to each symmetry plane
+    forAllConstIter(mapType, centreSum, it)
+    {
+        const point c = it->second.first / it->second.second;
+
+        const std::pair<vector, label>& ns = normalSum[it->first];
+        const point n = ns.first / ns.second;
+
+        symmetryPlanes_.insert(std::make_pair(it->first, plane(c, n)));
+    }
+}
+
+void symmetryPlaneOptimisation::pointInPlanes(VRWGraph& pointInPlanes) const
+{
+    const PtrList<boundaryPatch>& boundaries = mesh_.boundaries();
+    const pointFieldPMG& points = mesh_.points();
+    const faceListPMG& faces = mesh_.faces();
+
+    pointInPlanes.clear();
+    pointInPlanes.setSize(points.size());
+
+    forAll(boundaries, patchI)
+    {
+        if( boundaries[patchI].patchType() == "symmetryPlane" )
+        {
+            const label start = boundaries[patchI].patchStart();
+            const label end = start + boundaries[patchI].patchSize();
+            for(label faceI=start;faceI<end;++faceI)
+            {
+                const face& f = faces[faceI];
+
+                forAll(f, pI)
+                    pointInPlanes.appendIfNotIn(f[pI], patchI);
+            }
+        }
+    }
+
+    if( Pstream::parRun() )
+    {
+        const Map<label>& globalToLocal =
+            mesh_.addressingData().globalToLocalPointAddressing();
+        const VRWGraph& pointAtProcs = mesh_.addressingData().pointAtProcs();
+        const DynList<label>& neiProcs =
+            mesh_.addressingData().pointNeiProcs();
+
+        std::map<label, labelLongList> exchangeData;
+        forAll(neiProcs, i)
+            exchangeData[neiProcs[i]].clear();
+
+        forAllConstIter(Map<label>, globalToLocal, it)
+        {
+            const label pointI = it();
+
+            if( pointInPlanes.sizeOfRow(pointI) == 0 )
+                continue;
+
+            forAllRow(pointAtProcs, pointI, i)
+            {
+                const label neiProc = pointAtProcs(pointI, i);
+
+                if( neiProc == Pstream::myProcNo() )
+                    continue;
+
+                labelLongList& dataToSend = exchangeData[neiProc];
+
+                dataToSend.append(it.key());
+                dataToSend.append(pointInPlanes.sizeOfRow(pointI));
+                forAllRow(pointInPlanes, pointI, pipI)
+                    dataToSend.append(pointInPlanes(pointI, pipI));
+            }
+        }
+
+        labelLongList receivedData;
+        help::exchangeMap(exchangeData, receivedData);
+
+        for(label counter=0;counter<receivedData.size();)
+        {
+            const label pointI = globalToLocal[receivedData[counter++]];
+
+            const label size = receivedData[counter++];
+            for(label i=0;i<size;++i)
+                pointInPlanes.appendIfNotIn(pointI, receivedData[counter++]);
+        }
+    }
+}
+
+// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
+
+// Construct from mesh
+symmetryPlaneOptimisation::symmetryPlaneOptimisation(polyMeshGen& mesh)
+:
+    mesh_(mesh)
+{
+    detectSymmetryPlanes();
+}
+
+// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
+
+symmetryPlaneOptimisation::~symmetryPlaneOptimisation()
+{}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+void symmetryPlaneOptimisation::optimizeSymmetryPlanes()
+{
+    pointFieldPMG& points = mesh_.points();
+
+    VRWGraph pointInPlane;
+    pointInPlanes(pointInPlane);
+
+    forAll(pointInPlane, pointI)
+    {
+        const label nPlanes = pointInPlane.sizeOfRow(pointI);
+
+        if( nPlanes > 3 )
+        {
+            WarningIn
+            (
+                "void symmetryPlaneOptimisation::optimizeSymmetryPlanes()"
+            ) << "Point " << pointI << " is in more than three symmetry"
+              << " planes. Cannot move it" << endl;
+        }
+
+        point& p = points[pointI];
+        vector disp(vector::zero);
+        for(label plI=0;plI<nPlanes;++plI)
+        {
+            //- point is in a plane
+            std::map<label, plane>::const_iterator it =
+                symmetryPlanes_.find(pointInPlane(pointI, 0));
+
+            const point newP = it->second.nearestPoint(points[pointI]);
+            disp += newP - p;
+        }
+
+        p += disp;
+    }
+
+    labelHashSet badFaces;
+    polyMeshGenChecks::checkFacePyramids(mesh_, false, VSMALL, &badFaces);
+
+    if( badFaces.size() )
+    {
+        WarningIn
+        (
+            "void symmetryPlaneOptimisation::optimizeSymmetryPlanes()"
+        ) << "Bad quality or inverted faces found in the mesh" << endl;
+
+        const label badFacesId = mesh_.addFaceSubset("invalidFaces");
+        forAllConstIter(labelHashSet, badFaces, it)
+            mesh_.addFaceToSubset(badFacesId, it.key());
+    }
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+} // End namespace Foam
+
+// ************************************************************************* //

src/mesh/cfMesh/meshLibrary/utilities/smoothers/geometry/meshOptimizer/symmetryPlaneOptimisation/symmetryPlaneOptimisation.H

@@ -0,0 +1,99 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | cfMesh: A library for mesh generation
+   \\    /   O peration     |
+    \\  /    A nd           | Author: Franjo Juretic (franjo.juretic@c-fields.com)
+     \\/     M anipulation  | Copyright (C) Creative Fields, Ltd.
+-------------------------------------------------------------------------------
+License
+    This file is part of cfMesh.
+
+    cfMesh is free software; you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by the
+    Free Software Foundation; either version 3 of the License, or (at your
+    option) any later version.
+
+    cfMesh is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with cfMesh.  If not, see <http://www.gnu.org/licenses/>.
+
+Class
+    symmetryPlaneOptimisation
+
+Description
+    Smoothing of symmetry planes in the mesh such that all points
+    are in the plane.
+
+SourceFiles
+    symmetryPlaneOptimisation.C
+
+\*---------------------------------------------------------------------------*/
+
+#ifndef symmetryPlaneOptimisation_H
+#define symmetryPlaneOptimisation_H
+
+#include "DynList.H"
+#include "polyMeshGenModifier.H"
+#include "boundBox.H"
+#include "labelLongList.H"
+#include "boolList.H"
+#include "plane.H"
+
+#include <map>
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace Foam
+{
+
+/*---------------------------------------------------------------------------*\
+                Class symmetryPlaneOptimisation Declaration
+\*---------------------------------------------------------------------------*/
+
+class symmetryPlaneOptimisation
+{
+    // Private data
+        //- reference to the mesh
+        polyMeshGen& mesh_;
+
+        //- symmetry planes in the mesh
+        std::map<label, plane> symmetryPlanes_;
+
+    // Private member functions
+        //- detect symmetry planes
+        void detectSymmetryPlanes();
+
+        //- point-planes addressing
+        void pointInPlanes(VRWGraph&) const;
+
+public:
+
+    // Constructors
+
+        //- Construct from mesh
+        symmetryPlaneOptimisation(polyMeshGen& mesh);
+
+
+    // Destructor
+
+        ~symmetryPlaneOptimisation();
+
+    // Member Functions
+        //- move vertices to the symmetry planes
+        void optimizeSymmetryPlanes();
+};
+
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+} // End namespace Foam
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+#endif
+
+// ************************************************************************* //

src/mesh/cfMesh/meshLibrary/utilities/smoothers/geometry/meshSurfaceOptimizer/meshSurfaceOptimizer.C

@@ -126,7 +126,9 @@ meshSurfaceOptimizer::meshSurfaceOptimizer
     vertexType_(surface.boundaryPoints().size()),
     partitionerPtr_(new meshSurfacePartitioner(surface)),
     deletePartitioner_(true),
-    triMeshPtr_(NULL)
+    triMeshPtr_(NULL),
+    enforceConstraints_(false),
+    badPointsSubsetName_()
 {
     classifySurfaceVertices();
 }
@@ -142,7 +144,9 @@ meshSurfaceOptimizer::meshSurfaceOptimizer
     vertexType_(surfaceEngine_.boundaryPoints().size()),
     partitionerPtr_(&partitioner),
     deletePartitioner_(false),
-    triMeshPtr_(NULL)
+    triMeshPtr_(NULL),
+    enforceConstraints_(false),
+    badPointsSubsetName_()
 {
     classifySurfaceVertices();
 }
@@ -159,6 +163,12 @@ meshSurfaceOptimizer::~meshSurfaceOptimizer()
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
+void meshSurfaceOptimizer::enforceConstraints(const word subsetName)
+{
+    enforceConstraints_ = true;
+
+    badPointsSubsetName_ = subsetName;
+}
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 

src/mesh/cfMesh/meshLibrary/utilities/smoothers/geometry/meshSurfaceOptimizer/meshSurfaceOptimizer.H

@@ -79,6 +79,12 @@ class meshSurfaceOptimizer
         //- mesh of surface triangles needed for some smoothers
         mutable partTriMesh* triMeshPtr_;
 
+        //- enforce constraints
+        bool enforceConstraints_;
+
+        //- name of the subset contaning tangled points
+        word badPointsSubsetName_;
+
     // Private member functions
         //- classify surface vertices as PARTITION, EDGE, CORNER
         void classifySurfaceVertices();
@@ -108,18 +114,6 @@ class meshSurfaceOptimizer
             DynList<triFace>& trias
         ) const;
 
-        //- transform into a 2D space in plane for parallel boundaries
-        inline bool transformIntoPlaneParallel
-        (
-            const label bpI,
-            const plane& pl,
-            const std::map<label, DynList<parTriFace> >& m,
-            vector& vecX,
-            vector& vecY,
-            DynList<point>& pts,
-            DynList<triFace>& trias
-        ) const;
-
         //- new position of a node after laplacian smoothing
         //- the position is the average of neighbouring vertex positions
         inline point newPositionLaplacian
@@ -225,12 +219,6 @@ class meshSurfaceOptimizer
             const bool transformIntoPlane = true
         );
 
-        //- smooth nodes at processor boundaries using surface optimizer
-        void nodeDisplacementSurfaceOptimizerParallel
-        (
-            const labelLongList& nodesToSmooth
-        );
-
         //- smooth edge nodes at processor boundaries
         void edgeNodeDisplacementParallel
         (
@@ -271,6 +259,12 @@ public:
         ~meshSurfaceOptimizer();
 
     // Member Functions
+        //- Flag stopping the meshing process if it is not possible
+        //- to untangle the surface without sacrificing geometry constraints
+        //- Points which must be moved away from the required position are
+        //- stored into a point subset
+        void enforceConstraints(const word subsetName="badPoints");
+
         //- runs a surface smoother on the selected boundary points
         bool untangleSurface
         (

src/mesh/cfMesh/meshLibrary/utilities/smoothers/geometry/meshSurfaceOptimizer/meshSurfaceOptimizerI.H

@@ -90,11 +90,14 @@ inline bool meshSurfaceOptimizer::transformIntoPlane
 ) const
 {
     # ifdef DEBUGSmooth
-    Info << "Transforming boundary node " << bpI << endl;
+    Pout << "Transforming boundary node " << bpI << endl;
     # endif
 
     const partTriMesh& triMesh = this->triMesh();
     const label triPointI = triMesh.meshSurfacePointLabelInTriMesh()[bpI];
+    if( triPointI < 0 )
+        return false;
+
     partTriMeshSimplex simplex(triMesh, triPointI);
 
     const DynList<point, 32>& sPts = simplex.pts();
@@ -124,8 +127,8 @@ inline bool meshSurfaceOptimizer::transformIntoPlane
     trias = simplex.triangles();
 
     # ifdef DEBUGSmooth
-    Info << "VecX " << vecX << endl;
+    Pout << "VecX " << vecX << endl;
-    Info << "vecY " << vecY << endl;
+    Pout << "vecY " << vecY << endl;
     # endif
 
     //- transform the vertices
@@ -180,135 +183,6 @@ inline bool meshSurfaceOptimizer::transformIntoPlane
     return found;
 }
 
-inline bool meshSurfaceOptimizer::transformIntoPlaneParallel
-(
-    const label bpI,
-    const plane& pl,
-    const std::map<label, DynList<parTriFace> >& m,
-    vector& vecX,
-    vector& vecY,
-    DynList<point>& pts,
-    DynList<triFace>& trias
-) const
-{
-    /*
-    # ifdef DEBUGSmooth
-    Info << "Transforming boundary node at parallel interface " << bpI << endl;
-    # endif
-
-    const pointFieldPMG& points = surfaceEngine_.points();
-    const labelList& bPoints = surfaceEngine_.boundaryPoints();
-
-    const labelList& globalPointLabel =
-        surfaceEngine_.globalBoundaryPointLabel();
-
-    std::map<label, DynList<parTriFace> >::const_iterator
-        pIter = m.find(globalPointLabel[bpI]);
-
-    if( pIter == m.end() )
-    {
-        FatalErrorIn
-        (
-            "(const label, const plane&,"
-            " const std::map<label, DynList<parTriFace> >&,"
-            " vector&, vector&, DynList<point>&, DynList<triFace>&) const"
-        ) << " Cannot find node " << globalPointLabel[bpI]
-          << " in the map" << abort(FatalError);
-    }
-
-    const DynList<parTriFace>& pFcs = pIter->second;
-
-    # ifdef DEBUGSmooth
-    if( globalPointLabel[bpI] != pFcs[0].globalLabelOfPoint(0) )
-        FatalError << "Wrong points supplied!" << abort(FatalError);
-    Info << "Triangles containing this node are " << pFcs << endl;
-    # endif
-
-    //- create vecX and vecY
-    const point& p = points[bPoints[bpI]];
-    pts.setSize(0);
-    bool found(false);
-
-    forAll(pFcs, tI)
-    {
-        const point sp = pl.nearestPoint(pFcs[tI].trianglePoints().centre());
-        const scalar d = mag(sp - p);
-        if( d > VSMALL )
-        {
-            vecX = sp - p;
-            vecX /= d;
-            vecY = pl.normal() ^ vecX;
-            vecY /= mag(vecY);
-            found = true;
-            break;
-        }
-    }
-
-    if( !found )
-        return false;
-
-    # ifdef DEBUGSmooth
-    Info << "VecX " << vecX << endl;
-    Info << "vecY " << vecY << endl;
-    # endif
-
-    //- transform the vertices
-    //label counter(0);
-    Map<label> pointMapping;
-    trias.setSize(pFcs.size());
-
-    //- tranfer triangle from other proc first
-    forAll(pFcs, triI)
-    {
-        const parTriFace& tri = pFcs[triI];
-
-        triFace& tf = trias[triI];
-
-        for(label pI=0;pI<3;++pI)
-        {
-            const Map<label>::iterator fnd =
-                pointMapping.find(tri.globalLabelOfPoint(pI));
-
-            if( fnd != pointMapping.end() )
-            {
-                tf[pI] = fnd();
-            }
-            else
-            {
-                point tp;
-                if( pI == 0 )
-                {
-                    tp = tri.trianglePoints().a();
-                }
-                else if( pI == 1 )
-                {
-                    tp = tri.trianglePoints().b();
-                }
-                else
-                {
-                    tp = tri.trianglePoints().c();
-                }
-
-                const point pt
-                (
-                    ((tp - p) & vecX),
-                    ((tp - p) & vecY),
-                    0.0
-                );
-
-                tf[pI] = pts.size();
-                pointMapping.insert(tri.globalLabelOfPoint(pI), pts.size());
-                pts.append(pt);
-            }
-        }
-    }
-
-    return found;
-    */
-
-    return false;
-}
-
 inline point meshSurfaceOptimizer::newPositionLaplacian
 (
     const label bpI,
@@ -462,9 +336,9 @@ inline point meshSurfaceOptimizer::newPositionSurfaceOptimizer
     const labelList& bPoints = surfaceEngine_.boundaryPoints();
 
     # ifdef DEBUGSmooth
-    Info << "Smoothing boundary node " << bpI << endl;
+    Pout << "Smoothing boundary node " << bpI << endl;
-    Info << "Node label in the mesh is " << bPoints[bpI] << endl;
+    Pout << "Node label in the mesh is " << bPoints[bpI] << endl;
-    Info << "Point coordinates " << points[bPoints[bpI]] << endl;
+    Pout << "Point coordinates " << points[bPoints[bpI]] << endl;
     # endif
 
     //- project vertices onto the plane
@@ -480,7 +354,7 @@ inline point meshSurfaceOptimizer::newPositionSurfaceOptimizer
     bool success = this->transformIntoPlane(bpI, pl, vecX, vecY, pts, trias);
     if( !success )
     {
-        Warning << "Cannot transform to plane" << endl;
+        //Warning << "Cannot transform to plane" << endl;
         return points[bPoints[bpI]];
     }
 

src/mesh/cfMesh/meshLibrary/utilities/smoothers/geometry/meshSurfaceOptimizer/meshSurfaceOptimizerOptimizePointParallel.C

@@ -279,85 +279,6 @@ void meshSurfaceOptimizer::nodeDisplacementLaplacianFCParallel
     }
 }
 
-void meshSurfaceOptimizer::nodeDisplacementSurfaceOptimizerParallel
-(
-    const labelLongList& nodesToSmooth
-)
-{
-    if( returnReduce(nodesToSmooth.size(), sumOp<label>()) == 0 )
-        return;
-
-    meshSurfaceEngineModifier surfaceModifier(surfaceEngine_);
-
-    //- exchange data with other processors
-    std::map<label, DynList<parTriFace> > m;
-    exchangeData(nodesToSmooth, m);
-
-    const pointField& points = surfaceEngine_.points();
-    const labelList& bPoints = surfaceEngine_.boundaryPoints();
-    const vectorField& pNormals = surfaceEngine_.pointNormals();
-
-    //- perform smoothing
-    pointField newPositions(nodesToSmooth.size());
-
-    # ifdef USE_OMP
-    # pragma omp parallel for schedule(dynamic, 10)
-    # endif
-    forAll(nodesToSmooth, pI)
-    {
-        const label bpI = nodesToSmooth[pI];
-
-        if( magSqr(pNormals[bpI]) < VSMALL )
-        {
-            newPositions[pI] = points[bPoints[bpI]];
-            continue;
-        }
-
-        plane pl(points[bPoints[bpI]], pNormals[bpI]);
-        point vecX, vecY;
-        DynList<point> pts;
-        DynList<triFace> trias;
-
-        if( !transformIntoPlaneParallel(bpI, pl, m, vecX, vecY, pts, trias) )
-        {
-            newPositions[pI] = points[bPoints[bpI]];
-            continue;
-        }
-
-        surfaceOptimizer so(pts, trias);
-        point newPoint = so.optimizePoint(0.001);
-
-        const point newP
-        (
-            points[bPoints[bpI]] +
-            vecX * newPoint.x() +
-            vecY * newPoint.y()
-        );
-
-        if( help::isnan(newP) || help::isinf(newP) )
-        {
-            newPositions[pI] = points[bPoints[bpI]];
-        }
-        else
-        {
-            newPositions[pI] = newP;
-        }
-    }
-
-    # ifdef USE_OMP
-    # pragma omp parallel for schedule(dynamic, 50)
-    # endif
-    forAll(newPositions, pI)
-        surfaceModifier.moveBoundaryVertexNoUpdate
-        (
-            nodesToSmooth[pI],
-            newPositions[pI]
-        );
-
-    //- make sure that moved points have the same coordinates on all processors
-    surfaceModifier.syncVerticesAtParallelBoundaries(nodesToSmooth);
-}
-
 void meshSurfaceOptimizer::edgeNodeDisplacementParallel
 (
     const labelLongList& nodesToSmooth

src/mesh/cfMesh/meshLibrary/utilities/smoothers/geometry/meshSurfaceOptimizer/meshSurfaceOptimizerOptimizeSurface.C

@@ -40,6 +40,7 @@ Description
 #include "FIFOStack.H"
 
 #include <map>
+#include <stdexcept>
 
 # ifdef USE_OMP
 #include <omp.h>
@@ -282,7 +283,10 @@ void meshSurfaceOptimizer::smoothSurfaceOptimizer
     const labelLongList& selectedPoints
 )
 {
+    //- create partTriMesh is it is not yet present
     this->triMesh();
+
+    //- update coordinates of the triangulation
     updateTriMesh(selectedPoints);
 
     pointField newPositions(selectedPoints.size());
@@ -370,7 +374,40 @@ bool meshSurfaceOptimizer::untangleSurface
             nInvertedTria =
                 findInvertedVertices(smoothVertex, nAdditionalLayers);
 
-            if( nInvertedTria == 0 ) break;
+            if( nInvertedTria == 0 )
+            {
+                break;
+            }
+            else if( enforceConstraints_ && !remapVertex )
+            {
+                polyMeshGen& mesh =
+                    const_cast<polyMeshGen&>(surfaceEngine_.mesh());
+
+                const label subsetId =
+                    mesh.addPointSubset(badPointsSubsetName_);
+
+                forAll(smoothVertex, bpI)
+                    if( smoothVertex[bpI] )
+                        mesh.addPointToSubset(subsetId, bPoints[bpI]);
+
+                WarningIn
+                (
+                    "bool meshSurfaceOptimizer::untangleSurface"
+                    "(const labelLongList&, const label)"
+                ) << "Writing mesh with " << badPointsSubsetName_
+                  << " subset. These points cannot be untangled"
+                  << " without sacrificing geometry constraints. Exitting.."
+                  << endl;
+
+                returnReduce(1, sumOp<label>());
+
+                throw std::logic_error
+                (
+                    "bool meshSurfaceOptimizer::untangleSurface"
+                    "(const labelLongList&, const label)"
+                    "Cannot untangle mesh!!"
+                );
+            }
 
             //- find the min number of inverted points and
             //- add the last number to the stack
@@ -488,7 +525,7 @@ bool meshSurfaceOptimizer::untangleSurface
             //- update normals and other geometric data
             surfaceModifier.updateGeometry(movedPoints);
 
-            if( nGlobalIter > 3 )
+            if( nGlobalIter > 5 )
                 remapVertex = false;
         }
 
@@ -700,7 +737,7 @@ void meshSurfaceOptimizer::optimizeSurface2D(const label nIterations)
     {
         Info << "." << flush;
 
-        smoothLaplacianFC(movedPoints, procBndPoints, false);
+        smoothSurfaceOptimizer(movedPoints);
 
         //- move the points which are not at minimum z coordinate
         mesh2DEngine.correctPoints();

src/mesh/cfMesh/meshLibrary/utilities/surfaceTools/edgeExtraction/edgeExtractor/edgeExtractor.C

@@ -26,8 +26,6 @@ Description
 \*---------------------------------------------------------------------------*/
 
 #include "error.H"
-#include "objectRegistry.H"
-#include "Time.H"
 #include "polyMeshGenModifier.H"
 #include "edgeExtractor.H"
 #include "meshSurfaceEngine.H"
@@ -1778,7 +1776,7 @@ bool edgeExtractor::checkFacePatchesTopology()
             }
         }
 
-        //- eavluate the new situation and ensure that no oscillation occur
+        //- evaluate the new situation and ensure that no oscillation occur
         reduce(nCorrected, sumOp<label>());
         if( nCorrected )
         {
@@ -1808,7 +1806,7 @@ bool edgeExtractor::checkFacePatchesTopology()
             facePatch_.transfer(newBoundaryPatches);
         }
 
-    } while( nCorrected != 0 && (nIter++ < 30) );
+    } while( nCorrected != 0 && (nIter++ < 3) );
 
     return changed;
 }
@@ -2089,7 +2087,7 @@ bool edgeExtractor::checkFacePatchesGeometry()
         );
 
         //- stop after a certain number of iterations
-        if( iter++ > 20 )
+        if( iter++ > 3 )
             break;
 
         //- check if there exist any inverted faces
@@ -2204,7 +2202,7 @@ bool edgeExtractor::checkFacePatchesGeometry()
 
         //- compare face patches before and after
         //- disallow modification which may trigger oscillating behaviour
-        labelHashSet changedFaces;
+        labelLongList changedFaces;
         forAll(newBoundaryPatches, bfI)
         {
             if( newBoundaryPatches[bfI] != facePatch_[bfI] )
@@ -2214,7 +2212,7 @@ bool edgeExtractor::checkFacePatchesGeometry()
                 newBoundaryPatches[bfI] = patchI;
 
                 if( patchI != facePatch_[bfI] )
-                    changedFaces.insert(bfI);
+                    changedFaces.append(bfI);
             }
         }
 
@@ -2426,11 +2424,6 @@ void edgeExtractor::extractEdges()
         Info << "No geometrical adjustment was needed" << endl;
     }
 
-//    updateMeshPatches();
-//    mesh_.write();
-//    returnReduce(1, sumOp<label>());
-//    ::exit(0);
-
     # ifdef DEBUGEdgeExtractor
     const triSurf* sPtr = surfaceWithPatches();
     sPtr->writeSurface("finalDistributionOfPatches.stl");

src/mesh/cfMesh/meshLibrary/utilities/surfaceTools/edgeExtraction/edgeExtractor/edgeExtractor.H

@@ -38,8 +38,6 @@ SourceFiles
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-#include "objectRegistry.H"
-#include "Time.H"
 #include "labelList.H"
 #include "labelLongList.H"
 #include "VRWGraph.H"

src/mesh/cfMesh/meshLibrary/utilities/surfaceTools/edgeExtraction/edgeExtractor/edgeExtractorCorners.C

@@ -256,7 +256,7 @@ void edgeExtractor::faceEvaluator::neiPatchesOverEdges
 
             neiPatches[feI] = fPatches[nei];
         }
-        else if( edgeFaces.sizeOfRow(beI) == 1 )
+        else if( Pstream::parRun() && (edgeFaces.sizeOfRow(beI) == 1) )
         {
             neiPatches[feI] = otherFacePatch[beI];
         }
@@ -422,8 +422,8 @@ label edgeExtractor::faceEvaluator::bestPatchAfterModification
 
         forAll(neiFaces, eI)
         {
-            const label origPatchI = extractor_.facePatch_[neiFaces[eI]];
+            const label origPatchI = oldNeiPatches[eI];
-            const label newPatchI = (*newBoundaryPatchesPtr_)[neiFaces[eI]];
+            const label newPatchI = newNeiPatches[eI];
 
             if( neiFaces[eI] > bfI )
             {

src/mesh/cfMesh/meshLibrary/utilities/surfaceTools/meshSurfaceCheckEdgeTypes/meshSurfaceCheckEdgeTypes.H

@@ -37,8 +37,6 @@ SourceFiles
 #ifndef meshSurfaceCheckEdgeTypes_H
 #define meshSurfaceCheckEdgeTypes_H
 
-#include "objectRegistry.H"
-#include "Time.H"
 #include "polyMeshGenModifier.H"
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

src/mesh/cfMesh/meshLibrary/utilities/surfaceTools/meshSurfaceCheckInvertedVertices/meshSurfaceCheckInvertedVertices.H

@@ -37,8 +37,6 @@ SourceFiles
 #ifndef meshSurfaceCheckInvertedVertices_H
 #define meshSurfaceCheckInvertedVertices_H
 
-#include "objectRegistry.H"
-#include "Time.H"
 #include "polyMeshGenModifier.H"
 #include "HashSet.H"
 

src/mesh/cfMesh/meshLibrary/utilities/surfaceTools/meshSurfaceEngine/meshSurfaceEngine.H

@@ -35,8 +35,6 @@ SourceFiles
 #ifndef meshSurfaceEngine_H
 #define meshSurfaceEngine_H
 
-#include "objectRegistry.H"
-#include "Time.H"
 #include "polyMeshGenModifier.H"
 #include "SubList.H"
 #include "boolList.H"

src/mesh/cfMesh/meshLibrary/utilities/surfaceTools/meshSurfaceMapper/meshSurfaceMapper.H

@@ -105,7 +105,7 @@ class meshSurfaceMapper
         void findMappingDistance
         (
             const labelLongList& nodesToMap,
-            std::map<label, scalar>& mappingDistance
+            scalarList & mappingDistance
         ) const;
 
     // Private member functions needed for parallel execution

src/mesh/cfMesh/meshLibrary/utilities/surfaceTools/meshSurfaceMapper/meshSurfaceMapperCornersAndEdges.C

@@ -52,7 +52,7 @@ namespace Foam
 void meshSurfaceMapper::findMappingDistance
 (
     const labelLongList& nodesToMap,
-    std::map<label, scalar>& mappingDistance
+    scalarList& mappingDistance
 ) const
 {
     const vectorField& faceCentres = surfaceEngine_.faceCentres();
@@ -61,23 +61,25 @@ void meshSurfaceMapper::findMappingDistance
     const pointFieldPMG& points = surfaceEngine_.points();
 
     //- generate search distance for corner nodes
-    mappingDistance.clear();
+    mappingDistance.setSize(nodesToMap.size());
+    # ifdef USE_OMP
+    # pragma omp parallel for schedule(dynamic, 50)
+    # endif
     forAll(nodesToMap, i)
     {
         const label bpI = nodesToMap[i];
 
-        mappingDistance.insert(std::make_pair(bpI, 0.0));
+        mappingDistance[i] = 0.0;
-        std::map<label, scalar>::iterator mIter = mappingDistance.find(bpI);
 
         const point& p = points[bPoints[bpI]];
         forAllRow(pFaces, bpI, pfI)
         {
             const scalar d = magSqr(faceCentres[pFaces(bpI, pfI)] - p);
-            mIter->second = Foam::max(mIter->second, d);
+            mappingDistance[i] = Foam::max(mappingDistance[i], d);
         }
 
         //- safety factor
-        mIter->second *= 4.0;
+        mappingDistance[i] *= 4.0;
     }
 
     if( Pstream::parRun() )
@@ -87,8 +89,6 @@ void meshSurfaceMapper::findMappingDistance
         const VRWGraph& bpAtProcs = surfaceEngine_.bpAtProcs();
         const labelList& globalPointLabel =
             surfaceEngine_.globalBoundaryPointLabel();
-        const Map<label>& globalToLocal =
-            surfaceEngine_.globalToLocalBndPointAddressing();
 
         //- create the map for exchanging data
         std::map<label, DynList<labelledScalar> > exchangeData;
@@ -96,12 +96,18 @@ void meshSurfaceMapper::findMappingDistance
         forAll(neiProcs, i)
             exchangeData.insert
             (
-                std::make_pair(neiProcs[i], DynList<labelledScalar>()));
+                std::make_pair(neiProcs[i], DynList<labelledScalar>())
+            );
+
+        Map<label> globalToLocal;
 
         forAll(nodesToMap, nI)
         {
             const label bpI = nodesToMap[nI];
 
+            if( bpAtProcs.sizeOfRow(bpI) != 0 )
+                globalToLocal.insert(globalPointLabel[bpI], nI);
+
             forAllRow(bpAtProcs, bpI, i)
             {
                 const label neiProc = bpAtProcs(bpI, i);
@@ -110,7 +116,7 @@ void meshSurfaceMapper::findMappingDistance
 
                 exchangeData[neiProc].append
                 (
-                    labelledScalar(globalPointLabel[bpI], mappingDistance[bpI])
+                    labelledScalar(globalPointLabel[bpI], mappingDistance[nI])
                 );
             }
         }
@@ -124,11 +130,10 @@ void meshSurfaceMapper::findMappingDistance
         {
             const labelledScalar& ls = receivedData[i];
 
-            const label bpI = globalToLocal[ls.scalarLabel()];
+            const label nI = globalToLocal[ls.scalarLabel()];
 
             //- choose the maximum value for the mapping distance
-            std::map<label, scalar>::iterator mIter = mappingDistance.find(bpI);
+            mappingDistance[nI] = Foam::max(mappingDistance[nI], ls.value());
-            mIter->second = Foam::max(mIter->second, ls.value());
         }
     }
 }
@@ -147,7 +152,8 @@ void meshSurfaceMapper::mapCorners(const labelLongList& nodesToMap)
     const pointFieldPMG& points = surfaceEngine_.points();
     const labelList& bPoints = surfaceEngine_.boundaryPoints();
 
-    std::map<label, scalar> mappingDistance;
+    //std::map<label, scalar> mappingDistance;
+    scalarList mappingDistance;
     findMappingDistance(nodesToMap, mappingDistance);
 
     //- for every corner in the mesh surface find the nearest corner in the
@@ -155,7 +161,7 @@ void meshSurfaceMapper::mapCorners(const labelLongList& nodesToMap)
     meshSurfaceEngineModifier sMod(surfaceEngine_);
 
     # ifdef USE_OMP
-    # pragma omp parallel for if( nodesToMap.size() > 10 )
+    # pragma omp parallel for schedule(dynamic, 50)
     # endif
     forAll(nodesToMap, cornerI)
     {
@@ -168,7 +174,7 @@ void meshSurfaceMapper::mapCorners(const labelLongList& nodesToMap)
                 << abort(FatalError);
 
         const point& p = points[bPoints[bpI]];
-        const scalar maxDist = mappingDistance[bpI];
+        const scalar maxDist = mappingDistance[cornerI];
 
         //- find the nearest position to the given point patches
         const DynList<label> patches = pPatches[bpI];
@@ -205,7 +211,7 @@ void meshSurfaceMapper::mapCorners(const labelLongList& nodesToMap)
         distSqApprox = magSqr(mapPointApprox - p);
 
         //- find the nearest triSurface corner for the given corner
-        scalar distSq(mappingDistance[bpI]);
+        scalar distSq(mappingDistance[cornerI]);
         point mapPoint(p);
         forAll(surfCorners, scI)
         {
@@ -254,7 +260,7 @@ void meshSurfaceMapper::mapEdgeNodes(const labelLongList& nodesToMap)
     const VRWGraph& pPatches = mPart.pointPatches();
 
     //- find mapping distance for selected vertices
-    std::map<label, scalar> mappingDistance;
+    scalarList mappingDistance;
     findMappingDistance(nodesToMap, mappingDistance);
 
     const VRWGraph* bpAtProcsPtr(NULL);
@@ -265,10 +271,9 @@ void meshSurfaceMapper::mapEdgeNodes(const labelLongList& nodesToMap)
 
     meshSurfaceEngineModifier sMod(surfaceEngine_);
 
-    //- map point to the nearest vertex on the triSurface
+    //- map point to the nearest vertex on the surface mesh
     # ifdef USE_OMP
-    # pragma omp parallel for shared(parallelBndNodes) \
+    # pragma omp parallel for schedule(dynamic, 50)
-    if( nodesToMap.size() > 100 )
     # endif
     forAll(nodesToMap, i)
     {
@@ -276,9 +281,9 @@ void meshSurfaceMapper::mapEdgeNodes(const labelLongList& nodesToMap)
         const point& p = points[bPoints[bpI]];
 
         //- find patches at this edge point
-        DynList<label> patches = pPatches[bpI];
+        const DynList<label> patches = pPatches[bpI];
 
-        const scalar maxDist = mappingDistance[bpI];
+        const scalar maxDist = mappingDistance[i];
 
         //- find approximate position of the vertex on the edge
         point mapPointApprox(p);
@@ -312,8 +317,8 @@ void meshSurfaceMapper::mapEdgeNodes(const labelLongList& nodesToMap)
         distSqApprox = magSqr(mapPointApprox - p);
 
         //- find the nearest vertex on the triSurface feature edge
-        point mapPoint;
+        point mapPoint(mapPointApprox);
-        scalar distSq;
+        scalar distSq(distSqApprox);
         label nse;
         meshOctree_.findNearestEdgePoint(mapPoint, distSq, nse, p, patches);
 
@@ -330,7 +335,7 @@ void meshSurfaceMapper::mapEdgeNodes(const labelLongList& nodesToMap)
             //- this indicates possible problems
             //- reduce the mapping distance
             const scalar f = Foam::sqrt(maxDist / distSq);
-            distSq = mappingDistance[bpI];
+            distSq = mappingDistance[i];
             mapPoint = f * (mapPoint - p) + p;
         }
 
@@ -342,6 +347,7 @@ void meshSurfaceMapper::mapEdgeNodes(const labelLongList& nodesToMap)
             # ifdef USE_OMP
             # pragma omp critical
             # endif
+            {
                 parallelBndNodes.append
                 (
                     parMapperHelper
@@ -354,6 +360,7 @@ void meshSurfaceMapper::mapEdgeNodes(const labelLongList& nodesToMap)
                 );
             }
         }
+    }
 
     sMod.updateGeometry(nodesToMap);
 

src/mesh/cfMesh/meshLibrary/utilities/surfaceTools/meshSurfaceMapper/meshSurfaceMapperMapVertices.C

@@ -366,6 +366,7 @@ void meshSurfaceMapper::mapVerticesOntoSurfacePatches
             # ifdef USE_OMP
             # pragma omp critical
             # endif
+            {
                 parallelBndNodes.append
                 (
                     parMapperHelper
@@ -377,6 +378,7 @@ void meshSurfaceMapper::mapVerticesOntoSurfacePatches
                     )
                 );
             }
+        }
 
         # ifdef DEBUGMapping
         Info << "Mapped point " << points[boundaryPoints[bpI]] << endl;

src/mesh/cfMesh/meshLibrary/utilities/surfaceTools/meshSurfaceMapper2D/meshSurfaceMapper2DMapVertices.C

@@ -80,7 +80,7 @@ void meshSurfaceMapper2D::findMappingDistance
         }
 
         //- safety factor
-        mIter->second *= 4.0;
+        mIter->second *= 16.0;
     }
 
     if( Pstream::parRun() )
@@ -420,7 +420,7 @@ void meshSurfaceMapper2D::mapCorners(const labelLongList& edgesToMap)
         scalar distSqApprox;
 
         label iter(0);
-        while( iter++ < 20 )
+        while( iter++ < 40 )
         {
             point newP(vector::zero);
             forAll(ePatches, epI)

src/mesh/cfMesh/meshLibrary/utilities/surfaceTools/renameBoundaryPatches/renameBoundaryPatches.C

@@ -46,19 +46,6 @@ void renameBoundaryPatches::calculateNewBoundary()
 
     const dictionary& dict = meshDict_.subDict("renameBoundary");
 
-    std::map<word, label> patchToLabel;
-    forAll(mesh_.boundaries(), patchI)
-    {
-        patchToLabel.insert
-        (
-            std::pair<word, label>
-            (
-                mesh_.boundaries()[patchI].patchName(),
-                patchI
-            )
-        );
-    }
-
     labelList patchToNew(mesh_.boundaries().size(), -1);
 
     wordList newPatchNames(patchToNew.size());
@@ -100,9 +87,11 @@ void renameBoundaryPatches::calculateNewBoundary()
         {
             const word patchName = patchesToRename[patchI].keyword();
 
-            if( patchToLabel.find(patchName) == patchToLabel.end() )
+            labelList matchedPatches = mesh_.findPatches(patchName);
+
+            if(matchedPatches.empty())
             {
-                Info << "Patch " << patchName << " does not exist!!" << endl;
+                Warning << "No matches for " << patchName << " found!!" << endl;
                 continue;
             }
 
@@ -116,14 +105,17 @@ void renameBoundaryPatches::calculateNewBoundary()
 
             const dictionary pDict = patchesToRename[patchI].dict();
 
-            word newName(patchName);
+            forAll(matchedPatches, matchI)
+            {
+                word newName(mesh_.getPatchName(matchedPatches[matchI]));
+
                 if( pDict.found("newName") )
                     newName = word(pDict.lookup("newName"));
 
                 if( newNameToPos.find(newName) != newNameToPos.end() )
                 {
                     //- patch with the same name already exists
-                patchToNew[patchToLabel[patchName]] = newNameToPos[newName];
+                    patchToNew[matchedPatches[matchI]] = newNameToPos[newName];
                     continue;
                 }
 
@@ -140,10 +132,11 @@ void renameBoundaryPatches::calculateNewBoundary()
                     newPatchTypes[newPatchI] = "wall";
                 }
 
-            patchToNew[patchToLabel[patchName]] = newPatchI;
+                patchToNew[matchedPatches[matchI]] = newPatchI;
                 ++newPatchI;
             }
         }
+    }
 
     word defaultName("walls");
     if( dict.found("defaultName") )

src/mesh/cfMesh/meshLibrary/utilities/triSurfaceTools/triSurface2DCheck/triSurface2DCheck.C

@@ -0,0 +1,171 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | cfMesh: A library for mesh generation
+   \\    /   O peration     |
+    \\  /    A nd           | Author: Franjo Juretic (franjo.juretic@c-fields.com)
+     \\/     M anipulation  | Copyright (C) Creative Fields, Ltd.
+-------------------------------------------------------------------------------
+License
+    This file is part of cfMesh.
+
+    cfMesh is free software; you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by the
+    Free Software Foundation; either version 3 of the License, or (at your
+    option) any later version.
+
+    cfMesh is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with cfMesh.  If not, see <http://www.gnu.org/licenses/>.
+
+Description
+
+\*---------------------------------------------------------------------------*/
+
+#include "triSurface2DCheck.H"
+#include "triSurfModifier.H"
+#include "boundBox.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace Foam
+{
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+void triSurface2DCheck::createCovarianceMatrix()
+{
+    const vectorField& fNormals = surf_.facetNormals();
+
+    //- find the normal vector of the best-fitting plane
+    covarianceMatrix_ = symmTensor::zero;
+
+    forAll(fNormals, tI)
+    {
+        vector fn = fNormals[tI];
+        fn /= (mag(fn) + VSMALL);
+
+        covarianceMatrix_ += symm(fn * fn);
+    }
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+triSurface2DCheck::triSurface2DCheck(const triSurf& surface)
+:
+    surf_(surface),
+    covarianceMatrix_(symmTensor::zero)
+{
+    createCovarianceMatrix();
+}
+
+triSurface2DCheck::~triSurface2DCheck()
+{}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+bool triSurface2DCheck::is2DSurface() const
+{
+    const pointField& points = surf_.points();
+
+    const vector eigenVal = eigenValues(covarianceMatrix_);
+
+    //- the smallest eigenvalue must be zero in case all face normals
+    //- lie in a plane
+    if( mag(eigenVal[0]) > SMALL )
+    {
+        WarningIn("bool triSurface2DCheck::is2DSurface() const")
+            << "Surface mesh is in 3D space!"
+            << " This may result in an invalid mesh!" << endl;
+
+        return false;
+    }
+
+    //- calculate the plane normal as a cross prduct of the two
+    //- eigenVectors spanning the plane
+    const vector n
+    (
+        eigenVector(covarianceMatrix_, eigenVal[1]) ^
+        eigenVector(covarianceMatrix_, eigenVal[2])
+    );
+
+    //- check if the plane is in the x-y plane of the coordinate system
+    if( mag(n.x()) > SMALL || mag(n.y()) > SMALL )
+    {
+        //- this could be a 2D surface, but it is not in the x-y plane
+        WarningIn("bool triSurface2DCheck::is2DSurface() const")
+            << "The surface mesh IS NOT IN THE X-Y PLANE!!!!"
+            << " This will result in a mesh without any cells" << endl;
+
+        return false;
+    }
+
+    //- check if the points in the 2D surface have uniform z coordinates
+    boundBox bb(points);
+    forAll(points, pI)
+    {
+        const point& p = points[pI];
+
+        if
+        (
+            mag(p.z() - bb.max().z()) > SMALL &&
+            mag(p.z() - bb.min().z()) > SMALL
+        )
+        {
+            WarningIn("bool triSurface2DCheck::is2DSurface() const")
+                << "z coordinates of the 2D surface are not uniform" << endl;
+
+            return false;
+        }
+    }
+
+    Info << "Detected a 2D surface in the x-y plane" << endl;
+
+    return true;
+}
+
+void triSurface2DCheck::createSubsets()
+{
+    const pointField& points = surf_.points();
+    const vectorField& fNormals = surf_.facetNormals();
+
+    //- create a subset containing faces having non-zero z coordinate
+    //- of the normals
+    triSurf& surf = const_cast<triSurf&>(surf_);
+    const label badFacetsId = surf.addFacetSubset("badFacets");
+    forAll(fNormals, triI)
+    {
+        vector fn = fNormals[triI];
+        fn /= (mag(fn) + VSMALL);
+
+        if( mag(fn.z()) > SMALL )
+            surf.addFacetToSubset(badFacetsId, triI);
+    }
+
+    //- create a subset containing points which are not
+    //- in z-min and z-max planes
+    const label badPointsId = surf.addPointSubset("badPointsId");
+    boundBox bb(points);
+    forAll(points, pI)
+    {
+        const point& p = points[pI];
+
+        if
+        (
+            mag(p.z() - bb.max().z()) > SMALL &&
+            mag(p.z() - bb.min().z()) > SMALL
+        )
+        {
+            surf.addPointToSubset(badPointsId, pI);
+        }
+    }
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+} // End namespace Foam
+
+// ************************************************************************* //

src/mesh/cfMesh/meshLibrary/utilities/triSurfaceTools/triSurface2DCheck/triSurface2DCheck.H

@@ -0,0 +1,98 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | cfMesh: A library for mesh generation
+   \\    /   O peration     |
+    \\  /    A nd           | Author: Franjo Juretic (franjo.juretic@c-fields.com)
+     \\/     M anipulation  | Copyright (C) Creative Fields, Ltd.
+-------------------------------------------------------------------------------
+License
+    This file is part of cfMesh.
+
+    cfMesh is free software; you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by the
+    Free Software Foundation; either version 3 of the License, or (at your
+    option) any later version.
+
+    cfMesh is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with cfMesh.  If not, see <http://www.gnu.org/licenses/>.
+
+Class
+    triSurface2DCheck
+
+Description
+
+
+SourceFiles
+    triSurface2DCheck.C
+
+\*---------------------------------------------------------------------------*/
+
+#ifndef triSurface2DCheck_H
+#define triSurface2DCheck_H
+
+#include "triSurf.H"
+#include "symmTensor.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace Foam
+{
+
+/*---------------------------------------------------------------------------*\
+                    Class triSurface2DCheck Declaration
+\*---------------------------------------------------------------------------*/
+
+class triSurface2DCheck
+{
+    // Private data
+        //- reference to triSurf
+        const triSurf& surf_;
+
+        //- covariance matrix
+        symmTensor covarianceMatrix_;
+
+    // Private member functions
+        //- create covariance matrix
+        void createCovarianceMatrix();
+
+        //- Disallow default bitwise copy construct
+        triSurface2DCheck(const triSurface2DCheck&);
+
+        //- Disallow default bitwise assignment
+        void operator=(const triSurface2DCheck&);
+
+public:
+
+    // Constructors
+
+        //- Construct from octree
+        triSurface2DCheck(const triSurf& surface);
+
+    // Destructor
+
+        ~triSurface2DCheck();
+
+
+    // Member Functions
+
+        //- checks if the surface is a 2D triangulation
+        bool is2DSurface() const;
+
+        //- create subset containing invalid facets
+        void createSubsets();
+};
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+} // End namespace Foam
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+#endif
+
+// ************************************************************************* //

src/mesh/cfMesh/meshLibrary/utilities/triSurfaceTools/triSurfaceCleanupDuplicateTriangles/triSurfaceCleanupDuplicateTriangles.C

@@ -0,0 +1,56 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | cfMesh: A library for mesh generation
+   \\    /   O peration     |
+    \\  /    A nd           | Author: Franjo Juretic (franjo.juretic@c-fields.com)
+     \\/     M anipulation  | Copyright (C) Creative Fields, Ltd.
+-------------------------------------------------------------------------------
+License
+    This file is part of cfMesh.
+
+    cfMesh is free software; you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by the
+    Free Software Foundation; either version 3 of the License, or (at your
+    option) any later version.
+
+    cfMesh is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with cfMesh.  If not, see <http://www.gnu.org/licenses/>.
+
+Description
+
+\*---------------------------------------------------------------------------*/
+
+#include "triSurfaceCleanupDuplicateTriangles.H"
+#include "triSurf.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace Foam
+{
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+triSurfaceCleanupDuplicateTriangles::triSurfaceCleanupDuplicateTriangles
+(
+    triSurf& surf
+)
+:
+    surf_(surf),
+    newTriangleLabel_()
+{
+    checkDuplicateTriangles();
+}
+
+triSurfaceCleanupDuplicateTriangles::~triSurfaceCleanupDuplicateTriangles()
+{}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+} // End namespace Foam
+
+// ************************************************************************* //

src/mesh/cfMesh/meshLibrary/utilities/triSurfaceTools/triSurfaceCleanupDuplicateTriangles/triSurfaceCleanupDuplicateTriangles.H

@@ -0,0 +1,98 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | cfMesh: A library for mesh generation
+   \\    /   O peration     |
+    \\  /    A nd           | Author: Franjo Juretic (franjo.juretic@c-fields.com)
+     \\/     M anipulation  | Copyright (C) Creative Fields, Ltd.
+-------------------------------------------------------------------------------
+License
+    This file is part of cfMesh.
+
+    cfMesh is free software; you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by the
+    Free Software Foundation; either version 3 of the License, or (at your
+    option) any later version.
+
+    cfMesh is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with cfMesh.  If not, see <http://www.gnu.org/licenses/>.
+
+Class
+    triSurfaceCleanupDuplicates
+
+Description
+    Removes duplicate triangles from the surface.
+
+SourceFiles
+    triSurfaceCleanupDuplicateTriangles.C
+    triSurfaceCleanupDuplicateTrianglesFunctions.C
+
+\*---------------------------------------------------------------------------*/
+
+#ifndef triSurfaceCleanupDuplicateTriangles_H
+#define triSurfaceCleanupDuplicateTriangles_H
+
+#include "VRWGraph.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace Foam
+{
+
+// Forward declarations
+class triSurf;
+
+/*---------------------------------------------------------------------------*\
+            Class triSurfaceCleanupDuplicateTriangles Declaration
+\*---------------------------------------------------------------------------*/
+
+class triSurfaceCleanupDuplicateTriangles
+{
+    // Private data
+        //- reference to triSurf
+        triSurf& surf_;
+
+        //- new triangle labels in case some of them is removed
+        labelLongList newTriangleLabel_;
+
+    // Private member functions
+        //- Check duplicate triangles
+        void checkDuplicateTriangles();
+
+        //- Disallow default bitwise copy construct
+        triSurfaceCleanupDuplicateTriangles
+        (
+            const triSurfaceCleanupDuplicateTriangles&
+        );
+
+        //- Disallow default bitwise assignment
+        void operator=(const triSurfaceCleanupDuplicateTriangles&);
+
+public:
+
+    // Constructors
+
+        //- Construct from triSurf
+        triSurfaceCleanupDuplicateTriangles(triSurf&);
+
+    // Destructor
+
+        ~triSurfaceCleanupDuplicateTriangles();
+
+
+    // Member Functions
+};
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+} // End namespace Foam
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+#endif
+
+// ************************************************************************* //

src/mesh/cfMesh/meshLibrary/utilities/triSurfaceTools/triSurfaceCleanupDuplicateTriangles/triSurfaceCleanupDuplicateTrianglesFunctions.C

@@ -0,0 +1,100 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | cfMesh: A library for mesh generation
+   \\    /   O peration     |
+    \\  /    A nd           | Author: Franjo Juretic (franjo.juretic@c-fields.com)
+     \\/     M anipulation  | Copyright (C) Creative Fields, Ltd.
+-------------------------------------------------------------------------------
+License
+    This file is part of cfMesh.
+
+    cfMesh is free software; you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by the
+    Free Software Foundation; either version 3 of the License, or (at your
+    option) any later version.
+
+    cfMesh is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with cfMesh.  If not, see <http://www.gnu.org/licenses/>.
+
+Description
+
+\*---------------------------------------------------------------------------*/
+
+#include "triSurfaceCleanupDuplicateTriangles.H"
+#include "triSurfModifier.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace Foam
+{
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+void triSurfaceCleanupDuplicateTriangles::checkDuplicateTriangles()
+{
+    labelLongList newTriangleLabel(surf_.size(), -1);
+
+    const VRWGraph& pointTriangles = surf_.pointFacets();
+
+    //- check if there exist duplicate triangles
+    label counter(0);
+
+    forAll(surf_, triI)
+    {
+        if( newTriangleLabel[triI] != -1 )
+            continue;
+
+        newTriangleLabel[triI] = counter;
+        ++counter;
+
+        const labelledTri& tri = surf_[triI];
+
+        forAll(pointTriangles[tri[0]], ptI)
+        {
+            const label triJ = pointTriangles(tri[0], ptI);
+
+            if( triJ <= triI )
+                continue;
+
+            const labelledTri& otherTri = surf_[triJ];
+
+            if( tri == otherTri )
+                newTriangleLabel[triJ] = newTriangleLabel[triI];
+        }
+    }
+
+    Info << "Found " << (newTriangleLabel.size()-counter)
+        << " duplicate triangles" << endl;
+
+    //- return if there exist no duplicate triangles
+    if( counter == newTriangleLabel.size() )
+        return;
+
+    Info << "Current number of triangles" << surf_.size() << endl;
+    Info << "New number of triangles " << counter << endl;
+
+    //- create new list of triangles and store it in the surface mesh
+    LongList<labelledTri> newTriangles(counter);
+
+    forAll(newTriangleLabel, triI)
+    {
+        newTriangles[newTriangleLabel[triI]] = surf_[triI];
+    }
+
+    triSurfModifier(surf_).facetsAccess().transfer(newTriangles);
+    surf_.updateFacetsSubsets(newTriangleLabel);
+
+    surf_.clearAddressing();
+    surf_.clearGeometry();
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+} // End namespace Foam
+
+// ************************************************************************* //

src/mesh/cfMesh/meshLibrary/utilities/triSurfaceTools/triSurfaceCurvatureEstimator/triSurfaceCurvatureEstimatorCalculate.C

@@ -28,6 +28,7 @@ Description
 #include "triSurfaceCurvatureEstimator.H"
 #include "matrix3D.H"
 #include "quadricFitting.H"
+#include "helperFunctions.H"
 #include "HashSet.H"
 #include "boolList.H"
 #include "Map.H"
@@ -85,6 +86,69 @@ void writeSurfaceToVTK
     }
 }
 
+void writeSurfaceToVTK
+(
+    OFstream& file,
+    const triSurf& surf,
+    const DynList<label>& triangles,
+    const labelHashSet& labels
+)
+{
+    //- write the header
+    file << "# vtk DataFile Version 3.0\n";
+    file << "vtk output\n";
+    file << "ASCII\n";
+    file << "DATASET POLYDATA\n";
+
+    //- write points
+    std::map<label, label> newPointLabel;
+    forAll(triangles, tI)
+    {
+        const labelledTri& tri = surf[triangles[tI]];
+
+        for(label pI=0;pI<3;++pI)
+        {
+            newPointLabel[tri[pI]];
+        }
+    }
+
+    forAllConstIter(labelHashSet, labels, it)
+        newPointLabel[it.key()];
+
+    const pointField& points = surf.points();
+    file << "POINTS " << label(newPointLabel.size()) << " float\n";
+    label counter(0);
+    for
+    (
+        std::map<label, label>::iterator it=newPointLabel.begin();
+        it!=newPointLabel.end();
+        ++it
+    )
+    {
+        it->second = counter++;
+
+        const point& p = points[it->first];
+
+        file << p.x() << ' ' << p.y() << ' ' << p.z() << ' ';
+
+        file << nl;
+    }
+
+    //- write triangles
+    file << "\n";
+    file << "\nPOLYGONS " << triangles.size()
+         << " " << 4*triangles.size() << endl;
+    forAll(triangles, tI)
+    {
+        const labelledTri& tri = surf[triangles[tI]];
+
+        file << 3
+             << " " << newPointLabel[tri[0]]
+             << " " << newPointLabel[tri[1]]
+             << " " << newPointLabel[tri[2]] << endl;
+    }
+}
+
 void writeSurfaceToVTK
 (
     const word& name,
@@ -209,17 +273,15 @@ void triSurfaceCurvatureEstimator::calculateEdgeCurvature()
             {
                 //- calculate the curvature and store it in the map
                 vector e1 = edges[features[0]].vec(points);
-                const scalar d1 = mag(e1);
+                const scalar d1 = mag(e1) + VSMALL;
-                if( d1 > VSMALL )
                 e1 /= d1;
                 vector e2 = edges[features[1]].vec(points);
-                const scalar d2 = mag(e2);
+                const scalar d2 = mag(e2) + VSMALL;
-                if( d2 > VSMALL )
                 e2 /= d2;
 
                 scalar cs = e1 & e2;
                 cs = Foam::min(1.0, cs);
-                cs = Foam::max(1.0, cs);
+                cs = Foam::max(-1.0, cs);
 
                 const scalar curv = Foam::acos(cs) / (0.5 * (d1+d2+VSMALL));
                 edgePointCurvature_[pI] = Foam::mag(curv);
@@ -233,8 +295,6 @@ void triSurfaceCurvatureEstimator::calculateSurfaceCurvatures()
     const VRWGraph& pointTriangles = surface_.pointFacets();
 
     const pointField& points = surface_.points();
-    const VRWGraph& pointEdges = surface_.pointEdges();
-    const edgeLongList& edges = surface_.edges();
 
     patchPositions_.setSize(surface_.size());
     gaussianCurvature_.setSize(points.size());
@@ -292,30 +352,24 @@ void triSurfaceCurvatureEstimator::calculateSurfaceCurvatures()
         {
             const labelHashSet& currLabels = it();
 
+            if( otherLabels[it.key()].size() > 5 )
+                continue;
+
             labelHashSet additionalPoints;
             forAllConstIter(labelHashSet, currLabels, lit)
             {
                 const label neiPointI = lit.key();
-                const constRow pEdges = pointEdges[neiPointI];
+                const constRow pTriangles = pointTriangles[neiPointI];
 
-                forAll(pEdges, peI)
+                forAll(pTriangles, ptI)
                 {
-                    const label neiPointJ =
+                    const labelledTri& nTri = surface_[pTriangles[ptI]];
-                        edges[pEdges[peI]].otherVertex(neiPointI);
 
-                    if( neiPointJ == pointI )
+                    if( nTri.region() != it.key() )
                         continue;
 
-                    bool correctPatch(false);
+                    forAll(nTri, pI)
-                    forAll(pointTriangles[neiPointJ], ntJ)
+                        additionalPoints.insert(nTri[pI]);
-                    {
-                        const label pJ = pointTriangles[neiPointJ][ntJ];
-                        if( surface_[pJ].region() == it.key() )
-                            correctPatch = true;
-                    }
-
-                    if( correctPatch )
-                        additionalPoints.insert(neiPointJ);
                 }
             }
 
@@ -363,8 +417,19 @@ void triSurfaceCurvatureEstimator::calculateSurfaceCurvatures()
 
             # ifdef DEBUGCurvatureEstimator
             Info << "Point " << pointI << " in patch " << regionI
+                << " normal " << normals[it.key()]
+                << " evalution points " << labels
                 << " has max curvature " << qfit.maxCurvature()
                 << " and min curvature " << qfit.minCurvature() << endl;
+            OFstream file
+            (
+                "point_" +
+                help::scalarToText(pointI) +
+                "_region_" +
+                help::scalarToText(regionI) +
+                "_triangles.vtk"
+            );
+            writeSurfaceToVTK(file, surface_, rTriangles, labels);
             # endif
 
             //- store curvatures
@@ -390,9 +455,9 @@ void triSurfaceCurvatureEstimator::calculateSurfaceCurvatures()
             # ifdef USE_OMP
             # pragma omp for schedule(static, 1)
             # endif
-            forAll(pointEdges, pointI)
+            forAll(pointTriangles, pointI)
             {
-                const constRow pEdges = pointEdges[pointI];
+                const constRow pTriangles = pointTriangles[pointI];
 
                 //- find neighbouring points for each patch
                 Map<DynList<label> > patchNeiPoints;
@@ -403,17 +468,21 @@ void triSurfaceCurvatureEstimator::calculateSurfaceCurvatures()
                         DynList<label>()
                     );
 
-                forAll(pEdges, peI)
+                forAll(pTriangles, ptI)
                 {
-                    const edge& e = edges[pEdges[peI]];
+                    const labelledTri& tri = surface_[pTriangles[ptI]];
-                    const label neiPointI = e.otherVertex(pointI);
 
-                    forAll(pointPatches[neiPointI], i)
+                    if( !patchNeiPoints.found(tri.region()) )
+                        patchNeiPoints.insert(tri.region(), DynList<label>());
+
+                    forAll(tri, pI)
                     {
-                        const label patchI = pointPatches[neiPointI][i];
+                        const label neiPointI = tri[pI];
 
-                        if( patchNeiPoints.found(patchI) )
+                        if( neiPointI == pointI )
-                            patchNeiPoints[patchI].append(neiPointI);
+                            continue;
+
+                        patchNeiPoints[tri.region()].appendIfNotIn(neiPointI);
                     }
                 }
 

src/mesh/cfMesh/meshLibrary/utilities/triSurfaceTools/triSurfaceImportSurfaceAsSubset/triSurfaceImportSurfaceAsSubset.C

@@ -0,0 +1,240 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | cfMesh: A library for mesh generation
+   \\    /   O peration     |
+    \\  /    A nd           | Author: Franjo Juretic (franjo.juretic@c-fields.com)
+     \\/     M anipulation  | Copyright (C) Creative Fields, Ltd.
+-------------------------------------------------------------------------------
+License
+    This file is part of cfMesh.
+
+    cfMesh is free software; you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by the
+    Free Software Foundation; either version 3 of the License, or (at your
+    option) any later version.
+
+    cfMesh is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with cfMesh.  If not, see <http://www.gnu.org/licenses/>.
+
+Description
+
+\*---------------------------------------------------------------------------*/
+
+#include "triSurfaceImportSurfaceAsSubset.H"
+#include "meshOctree.H"
+#include "meshOctreeCreator.H"
+#include "helperFunctions.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace Foam
+{
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+void triSurfaceImportSurfaceAsSubset::createOctree
+(
+    const triSurf& surf,
+    meshOctree& octree
+)
+{
+
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+triSurfaceImportSurfaceAsSubset::triSurfaceImportSurfaceAsSubset(triSurf& surface)
+:
+    surf_(surface),
+    octreePtr_(NULL)
+{}
+
+triSurfaceImportSurfaceAsSubset::~triSurfaceImportSurfaceAsSubset()
+{
+    deleteDemandDrivenData(octreePtr_);
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+void triSurfaceImportSurfaceAsSubset::addSurfaceAsSubset
+(
+    const triSurf& importSurf,
+    const word& subsetName,
+    const scalar angleTol
+)
+{
+    if( !octreePtr_ )
+    {
+        octreePtr_ = new meshOctree(surf_);
+        meshOctreeCreator(*octreePtr_).createOctreeWithRefinedBoundary
+        (
+            direction(20),
+            15
+        );
+    }
+
+    const pointField& points = surf_.points();
+    const vectorField& fNornals = surf_.facetNormals();
+    const vectorField& fCentres = surf_.facetCentres();
+
+    labelList nearestTriangle(importSurf.size(), -1);
+
+    //- check which triangles in the surface fit best to the centres of the
+    //- triangles in the import surface
+    const pointField& importSurfPoints = importSurf.points();
+    const vectorField& importFaceCentres = importSurf.facetCentres();
+    const vectorField& importFaceNormals = importSurf.facetNormals();
+    # ifdef USE_OMP
+    # pragma omp parallel for schedule(dynamic, 40)
+    # endif
+    forAll(nearestTriangle, triI)
+    {
+        point np;
+        scalar dSq;
+        label nt, patch;
+
+        octreePtr_->findNearestSurfacePoint
+        (
+            np,
+            dSq,
+            nt,
+            patch,
+            importFaceCentres[triI]
+        );
+
+        //- find the longest edge distance
+        scalar maxEdgeDSq(0.);
+        const labelledTri& tri = importSurf[triI];
+        forAll(tri, pI)
+        {
+            const point& s = importSurfPoints[tri[pI]];
+            const point& e = importSurfPoints[tri[(pI+1)%3]];
+
+            maxEdgeDSq = max(maxEdgeDSq, magSqr(e - s));
+        }
+
+        //- check if the triangle has been found
+        if( (nt < 0) || (dSq > 0.09 * maxEdgeDSq) )
+        {
+            Warning << "Could not find a matching triangle " << endl;
+            Warning << "It seems that your surface meshes do not overlap" << endl;
+            continue;
+        }
+
+        vector nTri = importFaceNormals[triI];
+        const scalar magSqrTri = magSqr(nTri);
+
+        //- skip sliver triangles
+        if( magSqrTri < VSMALL )
+            continue;
+
+        vector normal = fNornals[nt];
+        const scalar dSqNormal = magSqr(normal);
+
+        //- skip sliver triangles
+        if( dSqNormal < VSMALL )
+            continue;
+
+        if( ((nTri & normal) / (magSqrTri * dSqNormal)) > angleTol )
+            nearestTriangle[triI] = nt;
+    }
+
+    meshOctree otherSurfOctree(importSurf);
+    meshOctreeCreator(otherSurfOctree).createOctreeWithRefinedBoundary(20, 15);
+
+    //- search for nearest facets in the import surface
+    DynList<label> containedTriangles;
+    # ifdef USE_OMP
+    # pragma omp parallel for schedule(dynamic, 40) private(containedTriangles)
+    # endif
+    forAll(surf_, triI)
+    {
+        //- find the bounding box and the ize of the triangle
+        boundBox bb(fCentres[triI], fCentres[triI]);
+
+        scalar maxEdgeDSq(0.);
+        const labelledTri& tri = surf_[triI];
+        forAll(tri, pI)
+        {
+            //- bounding box of the surface triangle
+            bb.min() = min(bb.min(), points[tri[pI]]);
+            bb.max() = max(bb.max(), points[tri[pI]]);
+
+            const point& s = points[tri[pI]];
+            const point& e = points[tri[(pI+1)%3]];
+
+            maxEdgeDSq = max(maxEdgeDSq, magSqr(e - s));
+        }
+
+        //- find the nearest triangle in the surface which shall be imported
+        otherSurfOctree.findTrianglesInBox(bb, containedTriangles);
+
+        label nt(-1);
+        scalar dSq(VGREAT);
+        forAll(containedTriangles, ctI)
+        {
+            const point p =
+                help::nearestPointOnTheTriangle
+                (
+                    containedTriangles[ctI],
+                    importSurf,
+                    fCentres[triI]
+                );
+
+            const scalar distSq  = magSqr(p - fCentres[triI]);
+
+            if( distSq < dSq )
+            {
+                nt = containedTriangles[ctI];
+                dSq = distSq;
+            }
+        }
+
+        //- check if the triangle has been found
+        if( (nt < 0) || (dSq > 0.09 * maxEdgeDSq) )
+            continue;
+
+        //- skip firther checkes f it has found the same triangle
+        if( nearestTriangle[nt] == triI )
+            continue;
+
+        vector nTri = fNornals[triI];
+        const scalar magSqrTri = magSqr(nTri);
+
+        //- skip sliver triangles
+        if( magSqrTri < VSMALL )
+            continue;
+
+        vector normal = importFaceNormals[nt];
+        const scalar dSqNormal = magSqr(normal);
+
+        //- skip sliver triangles
+        if( dSqNormal < VSMALL )
+            continue;
+
+        if( ((nTri & normal) / (magSqrTri * dSqNormal)) > angleTol )
+            nearestTriangle[nt] = triI;
+    }
+
+    //- create a facet subset in the surface mesh and add the facets into it
+    const label subsetId = surf_.addFacetSubset(subsetName);
+
+    forAll(nearestTriangle, triI)
+    {
+        if( nearestTriangle[triI] < 0 )
+            continue;
+
+        surf_.addFacetToSubset(subsetId, nearestTriangle[triI]);
+    }
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+} // End namespace Foam
+
+// ************************************************************************* //

src/mesh/cfMesh/meshLibrary/utilities/triSurfaceTools/triSurfaceImportSurfaceAsSubset/triSurfaceImportSurfaceAsSubset.H

@@ -0,0 +1,103 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | cfMesh: A library for mesh generation
+   \\    /   O peration     |
+    \\  /    A nd           | Author: Franjo Juretic (franjo.juretic@c-fields.com)
+     \\/     M anipulation  | Copyright (C) Creative Fields, Ltd.
+-------------------------------------------------------------------------------
+License
+    This file is part of cfMesh.
+
+    cfMesh is free software; you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by the
+    Free Software Foundation; either version 3 of the License, or (at your
+    option) any later version.
+
+    cfMesh is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with cfMesh.  If not, see <http://www.gnu.org/licenses/>.
+
+Class
+    triSurfaceImportSurfaceAsSubset
+
+Description
+    Creates a subset in the master surface consisting of facets which are
+    near the other surface
+
+SourceFiles
+    triSurfaceImportSurfaceAsSubset.C
+
+\*---------------------------------------------------------------------------*/
+
+#ifndef triSurfaceImportSurfaceAsSubset_H
+#define triSurfaceImportSurfaceAsSubset_H
+
+#include "triSurf.H"
+#include "boolList.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace Foam
+{
+
+class meshOctree;
+
+/*---------------------------------------------------------------------------*\
+             Class triSurfaceImportSurfaceAsSubset Declaration
+\*---------------------------------------------------------------------------*/
+
+class triSurfaceImportSurfaceAsSubset
+{
+    // Private data
+        //- reference to triSurf
+        triSurf& surf_;
+
+        //- pointer to meshOctree, needed for searching on the master surface
+        meshOctree* octreePtr_;
+
+    // Private member functions
+        void createOctree(const triSurf&, meshOctree&);
+
+        //- Disallow default bitwise copy construct
+        triSurfaceImportSurfaceAsSubset(const triSurfaceImportSurfaceAsSubset&);
+
+        //- Disallow default bitwise assignment
+        void operator=(const triSurfaceImportSurfaceAsSubset&);
+
+public:
+
+    // Constructors
+
+        //- Construct from triSurf
+        triSurfaceImportSurfaceAsSubset(triSurf& surface);
+
+    // Destructor
+
+        ~triSurfaceImportSurfaceAsSubset();
+
+
+    // Member Functions
+
+        //- finds the nearest faces in the surface to the import surf
+        //- and creates a subset
+        void addSurfaceAsSubset
+        (
+            const triSurf& importSurf,
+            const word& subsetName,
+            const scalar angleTol = 5.*M_PI/180.
+        );
+};
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+} // End namespace Foam
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+#endif
+
+// ************************************************************************* //

src/mesh/cfMesh/meshLibrary/utilities/triSurfaceTools/triSurfacePatchManipulator/triSurfacePatchManipulator.H

@@ -37,7 +37,6 @@ SourceFiles
 #ifndef triSurfacePatchManipulator_H
 #define triSurfacePatchManipulator_H
 
-#include "IOdictionary.H"
 #include "triSurf.H"
 #include "VRWGraph.H"
 

tutorials/mesh/cfMesh/cartesianMesh/elbow_90degree/Allclean

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+# Klas Jareteg, 2012-10-13
+# Description:
+#   Script to run comparative case between coupled and segregated solvers.
+
+
+# Source tutorial run functions
+. $WM_PROJECT_DIR/bin/tools/CleanFunctions
+
+cleanCase
+rm -r constant/polyMesh

tutorials/mesh/cfMesh/cartesianMesh/elbow_90degree/Allrun

@@ -0,0 +1,6 @@
+#!/bin/sh
+# Source tutorial run functions
+. $WM_PROJECT_DIR/bin/tools/RunFunctions
+
+runApplication cartesianMesh
+runApplication checkMesh -constant