173 lines
4.3 KiB
C++
173 lines
4.3 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 "vtkPV3Foam.H"
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// Foam includes
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#include "vtkPV3FoamPoints.H"
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// VTK includes
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#include "vtkPoints.h"
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#include "vtkPolyData.h"
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#include "vtkCellArray.h"
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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vtkPolyData* Foam::vtkPV3Foam::faceZoneVTKMesh
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(
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const fvMesh& mesh,
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const labelList& faceLabels
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)
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{
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vtkPolyData* vtkmesh = vtkPolyData::New();
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if (debug)
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{
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Info<< "<beg> Foam::vtkPV3Foam::faceZoneVTKMesh" << endl;
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printMemory();
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}
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// Construct primitivePatch of faces in faceZone
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const faceList& meshFaces = mesh.allFaces();
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faceList patchFaces(faceLabels.size());
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label npf = 0;
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// Filter faces that are not in live mesh
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// Bug fix. HJ, 21/Mar/2011
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forAll(faceLabels, faceI)
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{
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if (faceLabels[faceI] < mesh.nFaces())
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{
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patchFaces[npf] = meshFaces[faceLabels[faceI]];
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npf++;
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}
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}
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patchFaces.setSize(npf);
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primitiveFacePatch p(patchFaces, mesh.points());
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// The balance of this routine should be identical to patchVTKMesh
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// Convert Foam mesh vertices to VTK
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const pointField& points = p.localPoints();
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vtkPoints* vtkpoints = vtkPoints::New();
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vtkpoints->Allocate(points.size());
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forAll(points, i)
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{
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vtkPV3FoamInsertNextPoint(vtkpoints, points[i]);
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}
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vtkmesh->SetPoints(vtkpoints);
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vtkpoints->Delete();
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// Add faces as polygons
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const faceList& faces = p.localFaces();
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vtkCellArray* vtkcells = vtkCellArray::New();
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vtkcells->Allocate( faces.size() );
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forAll(faces, faceI)
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{
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const face& f = faces[faceI];
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vtkIdType nodeIds[f.size()];
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forAll(f, fp)
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{
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nodeIds[fp] = f[fp];
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}
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vtkcells->InsertNextCell(f.size(), nodeIds);
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}
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vtkmesh->SetPolys(vtkcells);
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vtkcells->Delete();
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if (debug)
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{
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Info<< "<end> Foam::vtkPV3Foam::faceZoneVTKMesh" << endl;
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printMemory();
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}
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return vtkmesh;
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}
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vtkPolyData* Foam::vtkPV3Foam::pointZoneVTKMesh
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(
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const fvMesh& mesh,
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const labelList& pointLabels
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)
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{
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vtkPolyData* vtkmesh = vtkPolyData::New();
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if (debug)
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{
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Info<< "<beg> Foam::vtkPV3Foam::pointZoneVTKMesh" << endl;
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printMemory();
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}
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const pointField& meshPoints = mesh.allPoints();
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// Filter point labels to include only live points
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labelList pl(pointLabels.size());
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label npl = 0;
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forAll (pointLabels, pointI)
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{
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if (pointLabels[pointI] < mesh.nPoints())
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{
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pl[npl] = pointLabels[pointI];
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npl++;
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}
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}
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pl.setSize(npl);
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vtkPoints *vtkpoints = vtkPoints::New();
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vtkpoints->Allocate( pl.size());
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forAll(pointLabels, pointI)
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{
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vtkPV3FoamInsertNextPoint(vtkpoints, meshPoints[pl[pointI]]);
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}
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vtkmesh->SetPoints(vtkpoints);
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vtkpoints->Delete();
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if (debug)
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{
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Info<< "<beg> Foam::vtkPV3Foam::pointZoneVTKMesh" << endl;
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printMemory();
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}
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return vtkmesh;
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}
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// ************************************************************************* //
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