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

163 lines
4.4 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 "patchWriter.H"
#include "writeFuns.H"
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
// Construct from components
Foam::patchWriter::patchWriter
(
const vtkMesh& vMesh,
const bool binary,
const bool nearCellValue,
const fileName& fName,
const labelList& patchIDs
)
:
vMesh_(vMesh),
binary_(binary),
nearCellValue_(nearCellValue),
fName_(fName),
patchIDs_(patchIDs),
os_(fName.c_str())
{
const fvMesh& mesh = vMesh_.mesh();
const polyBoundaryMesh& patches = mesh.boundaryMesh();
// Write header
if (patchIDs_.size() == 1)
{
writeFuns::writeHeader(os_, binary_, patches[patchIDs_[0]].name());
}
else
{
writeFuns::writeHeader(os_, binary_, "patches");
}
os_ << "DATASET UNSTRUCTURED_GRID" << std::endl;
// Write topology
nPoints_ = 0;
nFaces_ = 0;
label nFaceVerts = 0;
forAll(patchIDs_, i)
{
const polyPatch& pp = patches[patchIDs_[i]];
nPoints_ += pp.nPoints();
nFaces_ += pp.size();
forAll(pp, faceI)
{
nFaceVerts += pp[faceI].size() + 1;
}
}
os_ << "POINTS " << nPoints_ << " float" << std::endl;
DynamicList<floatScalar> ptField(3*nPoints_);
forAll(patchIDs_, i)
{
const polyPatch& pp = patches[patchIDs_[i]];
writeFuns::insert(pp.localPoints(), ptField);
}
writeFuns::write(os_, binary_, ptField);
os_ << "CELLS " << nFaces_ << ' ' << nFaceVerts
<< std::endl;
dynamicLabelList vertLabels(nFaceVerts);
dynamicLabelList faceTypes(nFaceVerts);
label offset = 0;
forAll(patchIDs_, i)
{
const polyPatch& pp = patches[patchIDs_[i]];
forAll(pp, faceI)
{
const face& f = pp.localFaces()[faceI];
const label fSize = f.size();
vertLabels.append(fSize);
writeFuns::insert(f + offset, vertLabels);
if (fSize == 3)
{
faceTypes.append(vtkTopo::VTK_TRIANGLE);
}
else if (fSize == 4)
{
faceTypes.append(vtkTopo::VTK_QUAD);
}
else
{
faceTypes.append(vtkTopo::VTK_POLYGON);
}
}
offset += pp.nPoints();
}
writeFuns::write(os_, binary_, vertLabels);
os_ << "CELL_TYPES " << nFaces_ << std::endl;
writeFuns::write(os_, binary_, faceTypes);
}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
void Foam::patchWriter::writePatchIDs()
{
const fvMesh& mesh = vMesh_.mesh();
DynamicList<floatScalar> fField(nFaces_);
os_ << "patchID 1 " << nFaces_ << " float" << std::endl;
forAll(patchIDs_, i)
{
label patchI = patchIDs_[i];
const polyPatch& pp = mesh.boundaryMesh()[patchI];
if (!isA<emptyPolyPatch>(pp))
{
writeFuns::insert(scalarField(pp.size(), patchI), fField);
}
}
writeFuns::write(os_, binary_, fField);
}
// ************************************************************************* //