applications/utilities/postProcessing/graphics/PV3Readers/PV3FoamReader/vtkPV3Foam/vtkPV3FoamMeshPatch.C

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   4    \\    /   O peration     |
   5     \\  /    A nd           | Copyright (C) 2004-2010 OpenCFD Ltd.
   6      \\/     M anipulation  |
   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
  13     the Free Software Foundation, either version 3 of the License, or
  14     (at your 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, see <http://www.gnu.org/licenses/>.
  23
  24 \*---------------------------------------------------------------------------*/
  25
  26 #include "vtkPV3Foam.H"
  27
  28 // OpenFOAM includes
  29 #include "polyPatch.H"
  30 #include "primitivePatch.H"
  31 #include "vtkOpenFOAMPoints.H"
  32
  33 // VTK includes
  34 #include "vtkCellArray.h"
  35 #include "vtkPoints.h"
  36 #include "vtkPolyData.h"
  37
  38 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
  39
  40 vtkPolyData* Foam::vtkPV3Foam::patchVTKMesh(const polyPatch& p)
  41 {
  42     vtkPolyData* vtkmesh = vtkPolyData::New();
  43
  44     if (debug)
  45     {
  46         Info<< "<beg> Foam::vtkPV3Foam::patchVTKMesh - " << p.name() << endl;
  47         printMemory();
  48     }
  49
  50     // Convert OpenFOAM mesh vertices to VTK
  51     const Foam::pointField& points = p.localPoints();
  52
  53     vtkPoints* vtkpoints = vtkPoints::New();
  54     vtkpoints->Allocate(points.size());
  55     forAll(points, i)
  56     {
  57         vtkInsertNextOpenFOAMPoint(vtkpoints, points[i]);
  58     }
  59
  60     vtkmesh->SetPoints(vtkpoints);
  61     vtkpoints->Delete();
  62
  63
  64     // Add faces as polygons
  65     const faceList& faces = p.localFaces();
  66
  67     vtkCellArray* vtkcells = vtkCellArray::New();
  68     vtkcells->Allocate(faces.size());
  69     forAll(faces, faceI)
  70     {
  71         const face& f = faces[faceI];
  72         vtkIdType nodeIds[f.size()];
  73
  74         forAll(f, fp)
  75         {
  76             nodeIds[fp] = f[fp];
  77         }
  78         vtkcells->InsertNextCell(f.size(), nodeIds);
  79     }
  80
  81     vtkmesh->SetPolys(vtkcells);
  82     vtkcells->Delete();
  83
  84     if (debug)
  85     {
  86         Info<< "<end> Foam::vtkPV3Foam::patchVTKMesh - " << p.name() << endl;
  87         printMemory();
  88     }
  89
  90     return vtkmesh;
  91 }
  92
  93
  94 // ************************************************************************* //