148 lines
3.9 KiB
C
148 lines
3.9 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | foam-extend: Open Source CFD
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\\ / O peration | Version: 4.0
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\\ / A nd | Web: http://www.foam-extend.org
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\\/ M anipulation | For copyright notice see file Copyright
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-------------------------------------------------------------------------------
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License
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This file is part of foam-extend.
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foam-extend is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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foam-extend is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with foam-extend. If not, see <http://www.gnu.org/licenses/>.
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Description
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\*---------------------------------------------------------------------------*/
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#include "writeFaceSet.H"
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#include "OFstream.H"
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#include "writeFuns.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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// * * * * * * * * * * * * * * * Global Functions * * * * * * * * * * * * * //
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void writeFaceSet
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(
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const bool binary,
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const vtkMesh& vMesh,
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const faceSet& set,
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const fileName& fileName
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)
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{
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const faceList& faces = vMesh.faces();
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std::ofstream pStream(fileName.c_str());
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pStream
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<< "# vtk DataFile Version 2.0" << std::endl
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<< set.name() << std::endl;
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if (binary)
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{
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pStream << "BINARY" << std::endl;
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}
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else
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{
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pStream << "ASCII" << std::endl;
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}
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pStream << "DATASET POLYDATA" << std::endl;
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//------------------------------------------------------------------
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//
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// Write topology
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//
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//------------------------------------------------------------------
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// Construct primitivePatch of faces in faceSet.
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faceList setFaces(set.size());
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labelList setFaceLabels(set.size());
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label setFaceI = 0;
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for
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(
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faceSet::const_iterator iter = set.begin();
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iter != set.end();
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++iter
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)
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{
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setFaceLabels[setFaceI] = iter.key();
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setFaces[setFaceI] = faces[iter.key()];
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setFaceI++;
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}
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primitiveFacePatch fp(setFaces, vMesh.points());
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// Write points and faces as polygons
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pStream << "POINTS " << fp.nPoints() << " float" << std::endl;
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DynamicList<floatScalar> ptField(3*fp.nPoints());
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writeFuns::insert(fp.localPoints(), ptField);
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writeFuns::write(pStream, binary, ptField);
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label nFaceVerts = 0;
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const faceList& lf = fp.localFaces();
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forAll(lf, faceI)
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{
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nFaceVerts += lf[faceI].size() + 1;
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}
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pStream << "POLYGONS " << fp.size() << ' ' << nFaceVerts
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<< std::endl;
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DynamicList<label> vertLabels(nFaceVerts);
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forAll(lf, faceI)
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{
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const face& f = lf[faceI];
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vertLabels.append(f.size());
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writeFuns::insert(f, vertLabels);
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}
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writeFuns::write(pStream, binary, vertLabels);
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//-----------------------------------------------------------------
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//
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// Write data
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//
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//-----------------------------------------------------------------
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// Write faceID
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pStream
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<< "CELL_DATA " << fp.size() << std::endl
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<< "FIELD attributes 1" << std::endl;
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// Cell ids first
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pStream << "faceID 1 " << fp.size() << " int" << std::endl;
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writeFuns::write(pStream, binary, setFaceLabels);
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// ************************************************************************* //
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