vtkPVFoamTemplates.C

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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 3 of the License, or
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
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#include "vtkPVFoam.H"
#include "vtkOpenFOAMPoints.H"
 
// OpenFOAM includes
#include "polyPatch.H"
#include "primitivePatch.H"
 
// VTK includes
#include "vtkCellArray.h"
#include "vtkPoints.h"
#include "vtkPolyData.h"
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
template<class PatchType>
vtkPolyData* Foam::vtkPVFoam::patchVTKMesh(const PatchType& p)
{
    vtkPolyData* vtkmesh = vtkPolyData::New();
 
    // Convert OpenFOAM mesh vertices to VTK
    const Foam::pointField& points = p.localPoints();
 
    vtkPoints* vtkpoints = vtkPoints::New();
    vtkpoints->Allocate(points.size());
    forAll(points, i)
    {
        vtkInsertNextOpenFOAMPoint(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());
 
    DynamicList<vtkIdType> nodeIds(4);
 
    forAll(faces, facei)
    {
        const face& f = faces[facei];
 
        nodeIds.resize(f.size());
        forAll(f, fp)
        {
            nodeIds[fp] = f[fp];
        }
 
        vtkcells->InsertNextCell(f.size(), nodeIds.data());
    }
 
    vtkmesh->SetPolys(vtkcells);
    vtkcells->Delete();
 
    return vtkmesh;
}
 
 
// ************************************************************************* //