applications/utilities/postProcessing/dataConversion/foamToVTK/vtkMesh.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 "vtkMesh.H"
  30 #include "fvMeshSubset.H"
  31 #include "Time.H"
  32 #include "cellSet.H"
  33
  34 // * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
  35
  36
  37 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
  38
  39 // Construct from components
  40 Foam::vtkMesh::vtkMesh
  41 (
  42     const IOobject& io,
  43     const word& setName
  44 )
  45 :
  46     fvMesh(io),
  47     subsetMesh_
  48     (
  49         IOobject
  50         (
  51             "subset",
  52             io.time().constant(),
  53             *this,
  54             IOobject::NO_READ,
  55             IOobject::NO_WRITE
  56         ),
  57         *this
  58     ),
  59     setName_(setName)
  60 {
  61     if (setName.size())
  62     {
  63         // Read cellSet using whole mesh
  64         cellSet currentSet(*this, setName_);
  65
  66         // Set current subset
  67         subsetMesh_.setLargeCellSubset(currentSet);
  68     }
  69 }
  70
  71
  72 // * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
  73
  74 Foam::vtkMesh::~vtkMesh()
  75 {}
  76
  77
  78 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
  79
  80 Foam::polyMesh::readUpdateState Foam::vtkMesh::readUpdate()
  81 {
  82     polyMesh::readUpdateState meshState = fvMesh::readUpdate();
  83
  84     if (meshState != polyMesh::UNCHANGED)
  85     {
  86         // Note: since fvMeshSubset has no movePoints() functionality,
  87         //  reconstruct the subset even if only movement.
  88
  89         topoPtr_.clear();
  90
  91         if (setName_.size())
  92         {
  93             Info<< "Subsetting mesh based on cellSet " << setName_ << endl;
  94
  95             // Read cellSet using whole mesh
  96             cellSet currentSet(*this, setName_);
  97
  98             subsetMesh_.setLargeCellSubset(currentSet);
  99         }
 100     }
 101
 102     return meshState;
 103 }
 104
 105
 106 // ************************************************************************* //