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foam-extend4.1-coherent-io/applications/utilities/postProcessing/dataConversion/foamToVTK/faMeshWriter.C
2019-02-04 21:58:51 +01:00

101 lines
2.9 KiB
C++

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | foam-extend: Open Source CFD
\\ / O peration | Version: 4.1
\\ / A nd | Web: http://www.foam-extend.org
\\/ M anipulation | For copyright notice see file Copyright
-------------------------------------------------------------------------------
License
This file is part of foam-extend.
foam-extend 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 3 of the License, or (at your
option) any later version.
foam-extend 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 foam-extend. If not, see <http://www.gnu.org/licenses/>.
\*---------------------------------------------------------------------------*/
#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;
dynamicLabelList vertLabels(nFaceVerts);
dynamicLabelList 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);
}
// ************************************************************************* //