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foam-extend4.1-coherent-io/applications/utilities/postProcessing/graphics/PVFoamReader/vtkFoam/vtkFoamAddPatch.C

115 lines
2.9 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright held by original author
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM 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 2 of the License, or (at your
option) any later version.
OpenFOAM 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 OpenFOAM; if not, write to the Free Software Foundation,
Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Description
\*---------------------------------------------------------------------------*/
#include "vtkFoam.H"
#include "polyPatch.H"
#include "vtkUnstructuredGrid.h"
#include "vtkCellArray.h"
#include "vtkFoamInsertNextPoint.H"
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
void Foam::vtkFoam::addPatch
(
const polyPatch& p,
vtkUnstructuredGrid *vtkPatch
)
{
if (debug)
{
Info<< "Adding patch " << p.name() << endl;
}
SetName(vtkPatch, p.name().c_str());
if (debug)
{
Info<< "converting points" << endl;
}
const Foam::pointField& points = p.localPoints();
// Convert Foam mesh vertices to VTK
vtkPoints *vtkpoints = vtkPoints::New();
vtkpoints->Allocate(points.size());
forAll(points, i)
{
vtkFoamInsertNextPoint(vtkpoints, points[i]);
}
if (debug)
{
Info<< "converting faces" << endl;
}
const faceList& faces = p.localFaces();
vtkPatch->Allocate(faces.size());
forAll(faces, facei)
{
const face& f = faces[facei];
if (f.size() == 3)
{
vtkPatch->InsertNextCell
(
VTK_TRIANGLE,
3,
const_cast<int*>(f.begin())
);
}
else if (f.size() == 4)
{
vtkPatch->InsertNextCell
(
VTK_QUAD,
4,
const_cast<int*>(f.begin())
);
}
else
{
vtkPatch->InsertNextCell
(
VTK_POLYGON,
f.size(),
const_cast<int*>(f.begin())
);
}
}
vtkPatch->SetPoints(vtkpoints);
vtkpoints->Delete();
}
// ************************************************************************* //