FreeFOAM The Cross-Platform CFD Toolkit
vtkMesh.C
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1 /*---------------------------------------------------------------------------*\
2  ========= |
3  \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
4  \\ / O peration |
5  \\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
6  \\/ M anipulation |
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8 License
9  This file is part of OpenFOAM.
10 
11  OpenFOAM is free software: you can redistribute it and/or modify it
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13  the Free Software Foundation, either version 3 of the License, or
14  (at your option) any later version.
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21  You should have received a copy of the GNU General Public License
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23 
24 Description
25 
26 \*---------------------------------------------------------------------------*/
27 
28 #include "vtkMesh.H"
30 #include <OpenFOAM/Time.H>
31 #include <meshTools/cellSet.H>
32 
33 // * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
34 
35 
36 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
37 
38 // Construct from components
39 Foam::vtkMesh::vtkMesh
40 (
41  fvMesh& baseMesh,
42  const word& setName
43 )
44 :
45  baseMesh_(baseMesh),
46  subsetter_(baseMesh),
47  setName_(setName)
48 {
49  if (setName.size())
50  {
51  // Read cellSet using whole mesh
52  cellSet currentSet(baseMesh_, setName_);
53 
54  // Set current subset
55  subsetter_.setLargeCellSubset(currentSet);
56  }
57 }
58 
59 
60 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
61 
63 {
64  polyMesh::readUpdateState meshState = baseMesh_.readUpdate();
65 
66  if (meshState != polyMesh::UNCHANGED)
67  {
68  // Note: since fvMeshSubset has no movePoints() functionality reconstruct
69  // the subset even if only movement.
70 
71  topoPtr_.clear();
72 
73  if (setName_.size())
74  {
75  Info<< "Subsetting mesh based on cellSet " << setName_ << endl;
76 
77  // Read cellSet using whole mesh
78  cellSet currentSet(baseMesh_, setName_);
79 
80  subsetter_.setLargeCellSubset(currentSet);
81  }
82  }
83 
84  return meshState;
85 }
86 
87 
88 // ************************ vim: set sw=4 sts=4 et: ************************ //