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foam-extend4.1-coherent-io/applications/utilities/postProcessing/dataConversion/foamToVTK/faMeshWriter.C

102 lines
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C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright held by original author
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2 of the License, or (at your
option) any later version.
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with OpenFOAM; if not, write to the Free Software Foundation,
Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
\*---------------------------------------------------------------------------*/
#include "faMeshWriter.H"
#include "writeFuns.H"
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
// Construct from components
Foam::faMeshWriter::faMeshWriter
(
const faMesh& aMesh,
const bool binary,
const fileName& fName
)
:
aMesh_(aMesh),
binary_(binary),
os_(fName.c_str())
{
// Write header
writeFuns::writeHeader(os_, binary_, faMesh::typeName);
os_ << "DATASET UNSTRUCTURED_GRID" << std::endl;
// Write topology
label nFaceVerts = 0;
const faceList& pp = aMesh.faces();
forAll(pp, faceI)
{
nFaceVerts += pp[faceI].size() + 1;
}
os_ << "POINTS " << aMesh.nPoints() << " float" << std::endl;
DynamicList<floatScalar> ptField(3*aMesh.nPoints());
writeFuns::insert(aMesh.points(), ptField);
writeFuns::write(os_, binary_, ptField);
os_ << "CELLS " << aMesh.nFaces() << ' ' << nFaceVerts
<< std::endl;
DynamicList<label> vertLabels(nFaceVerts);
DynamicList<label> faceTypes(nFaceVerts);
forAll(pp, faceI)
{
const face& f = pp[faceI];
const label fSize = f.size();
vertLabels.append(fSize);
writeFuns::insert(f, vertLabels);
if (fSize == 3)
{
faceTypes.append(vtkTopo::VTK_TRIANGLE);
}
else if (fSize == 4)
{
faceTypes.append(vtkTopo::VTK_QUAD);
}
else
{
faceTypes.append(vtkTopo::VTK_POLYGON);
}
}
writeFuns::write(os_, binary_, vertLabels);
os_ << "CELL_TYPES " << aMesh.nFaces() << std::endl;
writeFuns::write(os_, binary_, faceTypes);
}
// ************************************************************************* //