applications/utilities/postProcessing/graphics/PV3FoamReader/vtkPV3Foam/vtkPV3FoamMeshPatch.C

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
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   7 -------------------------------------------------------------------------------
   8 License
   9     This file is part of OpenFOAM.
  10
  11     OpenFOAM is free software; you can redistribute it and/or modify it
  12     under the terms of the GNU General Public License as published by the
  13     Free Software Foundation; either version 2 of the License, or (at your
  14     option) any later version.
  15
  16     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
  17     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  18     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  19     for more details.
  20
  21     You should have received a copy of the GNU General Public License
  22     along with OpenFOAM; if not, write to the Free Software Foundation,
  23     Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  24
  25 Description
  26
  27 \*---------------------------------------------------------------------------*/
  28
  29 #include "vtkPV3Foam.H"
  30
  31 // Foam includes
  32 #include "polyPatch.H"
  33 #include "primitivePatch.H"
  34 #include "vtkPV3FoamPoints.H"
  35
  36 // VTK includes
  37 #include "vtkCellArray.h"
  38 #include "vtkPoints.h"
  39 #include "vtkPolyData.h"
  40
  41 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
  42
  43 vtkPolyData* Foam::vtkPV3Foam::patchVTKMesh
  44 (
  45     const polyPatch& p
  46 )
  47 {
  48     vtkPolyData* vtkmesh = vtkPolyData::New();
  49
  50     if (debug)
  51     {
  52         Info<< "<beg> Foam::vtkPV3Foam::patchVTKMesh - " << p.name() << endl;
  53         printMemory();
  54     }
  55
  56     // Convert Foam mesh vertices to VTK
  57     const Foam::pointField& points = p.localPoints();
  58
  59     vtkPoints *vtkpoints = vtkPoints::New();
  60     vtkpoints->Allocate( points.size() );
  61     forAll(points, i)
  62     {
  63         vtkPV3FoamInsertNextPoint(vtkpoints, points[i]);
  64     }
  65
  66     vtkmesh->SetPoints(vtkpoints);
  67     vtkpoints->Delete();
  68
  69
  70     // Add faces as polygons
  71     const faceList& faces = p.localFaces();
  72
  73     vtkCellArray* vtkcells = vtkCellArray::New();
  74     vtkcells->Allocate( faces.size() );
  75     forAll(faces, faceI)
  76     {
  77         const face& f = faces[faceI];
  78         vtkIdType nodeIds[f.size()];
  79
  80         forAll(f, fp)
  81         {
  82             nodeIds[fp] = f[fp];
  83         }
  84         vtkcells->InsertNextCell(f.size(), nodeIds);
  85     }
  86
  87     vtkmesh->SetPolys(vtkcells);
  88     vtkcells->Delete();
  89
  90     if (debug)
  91     {
  92         Info<< "<end> Foam::vtkPV3Foam::patchVTKMesh - " << p.name() << endl;
  93         printMemory();
  94     }
  95
  96     return vtkmesh;
  97 }
  98
  99
 100 // ************************************************************************* //