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foam-extend4.1-coherent-io/applications/utilities/postProcessing/graphics/PVReaders/vtkPVFoam/vtkPVFoamMeshSet.C
2018-06-01 18:11:37 +02:00

150 lines
3.8 KiB
C++

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | foam-extend: Open Source CFD
\\ / O peration | Version: 4.1
\\ / A nd | Web: http://www.foam-extend.org
\\/ M anipulation | For copyright notice see file Copyright
-------------------------------------------------------------------------------
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/>.
Description
\*---------------------------------------------------------------------------*/
#include "vtkPVFoam.H"
// Foam includes
#include "faceSet.H"
#include "pointSet.H"
#include "vtkPVFoamPoints.H"
// VTK includes
#include "vtkPoints.h"
#include "vtkPolyData.h"
#include "vtkCellArray.h"
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
vtkPolyData* Foam::vtkPVFoam::faceSetVTKMesh
(
const fvMesh& mesh,
const faceSet& fSet
)
{
vtkPolyData* vtkmesh = vtkPolyData::New();
if (debug)
{
Info<< "<beg> Foam::vtkPVFoam::faceSetVTKMesh" << endl;
printMemory();
}
// Construct primitivePatch of faces in fSet.
const faceList& meshFaces = mesh.faces();
faceList patchFaces(fSet.size());
label faceI = 0;
forAllConstIter(faceSet, fSet, iter)
{
patchFaces[faceI++] = meshFaces[iter.key()];
}
primitiveFacePatch p(patchFaces, mesh.points());
// The balance of this routine should be identical to patchVTKMesh
// Convert Foam mesh vertices to VTK
const pointField& points = p.localPoints();
vtkPoints *vtkpoints = vtkPoints::New();
vtkpoints->Allocate( points.size() );
forAll(points, i)
{
vtkPVFoamInsertNextPoint(vtkpoints, points[i]);
}
vtkmesh->SetPoints(vtkpoints);
vtkpoints->Delete();
// Add faces as polygons
const faceList& faces = p.localFaces();
vtkCellArray* vtkcells = vtkCellArray::New();
vtkcells->Allocate( faces.size() );
forAll(faces, faceI)
{
const face& f = faces[faceI];
vtkIdType nodeIds[f.size()];
forAll(f, fp)
{
nodeIds[fp] = f[fp];
}
vtkcells->InsertNextCell(f.size(), nodeIds);
}
vtkmesh->SetPolys(vtkcells);
vtkcells->Delete();
if (debug)
{
Info<< "<end> Foam::vtkPVFoam::faceSetVTKMesh" << endl;
printMemory();
}
return vtkmesh;
}
vtkPolyData* Foam::vtkPVFoam::pointSetVTKMesh
(
const fvMesh& mesh,
const pointSet& pSet
)
{
vtkPolyData* vtkmesh = vtkPolyData::New();
if (debug)
{
Info<< "<beg> Foam::vtkPVFoam::pointSetVTKMesh" << endl;
printMemory();
}
const pointField& meshPoints = mesh.points();
vtkPoints *vtkpoints = vtkPoints::New();
vtkpoints->Allocate( pSet.size() );
forAllConstIter(pointSet, pSet, iter)
{
vtkPVFoamInsertNextPoint(vtkpoints, meshPoints[iter.key()]);
}
vtkmesh->SetPoints(vtkpoints);
vtkpoints->Delete();
if (debug)
{
Info<< "<end> Foam::vtkPVFoam::pointSetVTKMesh" << endl;
printMemory();
}
return vtkmesh;
}
// ************************************************************************* //