114 lines
2.9 KiB
C
114 lines
2.9 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 "vtkFoam.H"
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#include "polyPatch.H"
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#include "vtkUnstructuredGrid.h"
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#include "vtkCellArray.h"
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#include "vtkFoamInsertNextPoint.H"
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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void Foam::vtkFoam::addPatch
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(
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const polyPatch& p,
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vtkUnstructuredGrid *vtkPatch
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)
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{
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if (debug)
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{
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Info<< "Adding patch " << p.name() << endl;
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}
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SetName(vtkPatch, p.name().c_str());
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if (debug)
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{
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Info<< "converting points" << endl;
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}
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const Foam::pointField& points = p.localPoints();
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// Convert Foam mesh vertices to VTK
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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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vtkFoamInsertNextPoint(vtkpoints, points[i]);
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}
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if (debug)
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{
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Info<< "converting faces" << endl;
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}
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const faceList& faces = p.localFaces();
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vtkPatch->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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if (f.size() == 3)
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{
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vtkPatch->InsertNextCell
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(
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VTK_TRIANGLE,
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3,
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const_cast<int*>(f.begin())
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);
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}
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else if (f.size() == 4)
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{
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vtkPatch->InsertNextCell
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(
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VTK_QUAD,
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4,
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const_cast<int*>(f.begin())
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);
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}
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else
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{
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vtkPatch->InsertNextCell
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(
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VTK_POLYGON,
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f.size(),
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const_cast<int*>(f.begin())
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);
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}
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}
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vtkPatch->SetPoints(vtkpoints);
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vtkpoints->Delete();
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}
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// ************************************************************************* //
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