applications/utilities/postProcessing/graphics/PV3FoamReader/vtkPV3Foam/vtkPV3FoamMeshZone.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 "vtkPV3FoamPoints.H"
  33
  34 // VTK includes
  35 #include "vtkPoints.h"
  36 #include "vtkPolyData.h"
  37 #include "vtkCellArray.h"
  38
  39 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
  40
  41 vtkPolyData* Foam::vtkPV3Foam::faceZoneVTKMesh
  42 (
  43     const fvMesh& mesh,
  44     const labelList& faceLabels
  45 )
  46 {
  47     vtkPolyData* vtkmesh = vtkPolyData::New();
  48
  49     if (debug)
  50     {
  51         Info<< "<beg> Foam::vtkPV3Foam::faceZoneVTKMesh" << endl;
  52         printMemory();
  53     }
  54
  55     // Construct primitivePatch of faces in faceZone
  56
  57     const faceList& meshFaces = mesh.faces();
  58     faceList patchFaces(faceLabels.size());
  59     forAll(faceLabels, faceI)
  60     {
  61         patchFaces[faceI] = meshFaces[faceLabels[faceI]];
  62     }
  63     primitiveFacePatch p(patchFaces, mesh.points());
  64
  65
  66     // The balance of this routine should be identical to patchVTKMesh
  67
  68     // Convert Foam mesh vertices to VTK
  69     const pointField& points = p.localPoints();
  70
  71     vtkPoints* vtkpoints = vtkPoints::New();
  72     vtkpoints->Allocate( points.size() );
  73     forAll(points, i)
  74     {
  75         vtkPV3FoamInsertNextPoint(vtkpoints, points[i]);
  76     }
  77
  78     vtkmesh->SetPoints(vtkpoints);
  79     vtkpoints->Delete();
  80
  81
  82     // Add faces as polygons
  83     const faceList& faces = p.localFaces();
  84
  85     vtkCellArray* vtkcells = vtkCellArray::New();
  86     vtkcells->Allocate( faces.size() );
  87
  88     forAll(faces, faceI)
  89     {
  90         const face& f = faces[faceI];
  91         vtkIdType nodeIds[f.size()];
  92
  93         forAll(f, fp)
  94         {
  95             nodeIds[fp] = f[fp];
  96         }
  97         vtkcells->InsertNextCell(f.size(), nodeIds);
  98     }
  99
 100     vtkmesh->SetPolys(vtkcells);
 101     vtkcells->Delete();
 102
 103     if (debug)
 104     {
 105         Info<< "<end> Foam::vtkPV3Foam::faceZoneVTKMesh" << endl;
 106         printMemory();
 107     }
 108
 109     return vtkmesh;
 110 }
 111
 112
 113 vtkPolyData* Foam::vtkPV3Foam::pointZoneVTKMesh
 114 (
 115     const fvMesh& mesh,
 116     const labelList& pointLabels
 117 )
 118 {
 119     vtkPolyData* vtkmesh = vtkPolyData::New();
 120
 121     if (debug)
 122     {
 123         Info<< "<beg> Foam::vtkPV3Foam::pointZoneVTKMesh" << endl;
 124         printMemory();
 125     }
 126
 127     const pointField& meshPoints = mesh.points();
 128
 129     vtkPoints *vtkpoints = vtkPoints::New();
 130     vtkpoints->Allocate( pointLabels.size() );
 131
 132     forAll(pointLabels, pointI)
 133     {
 134         vtkPV3FoamInsertNextPoint(vtkpoints, meshPoints[pointLabels[pointI]]);
 135     }
 136
 137     vtkmesh->SetPoints(vtkpoints);
 138     vtkpoints->Delete();
 139
 140     if (debug)
 141     {
 142         Info<< "<beg> Foam::vtkPV3Foam::pointZoneVTKMesh" << endl;
 143         printMemory();
 144     }
 145
 146     return vtkmesh;
 147 }
 148
 149
 150 // ************************************************************************* //