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ENH: write patches as vtkPolyData instead of vtkUnstructuredGrid

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- slightly better memory efficiency and file sizes
- consistent with library reader
This commit is contained in:
Mark Olesen
2010-05-07 09:35:40 +02:00
parent 64ac5cbc78
commit 1b4450890a
9 changed files with 64 additions and 89 deletions
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36
applications/utilities/postProcessing/dataConversion/foamToVTK/writeFaceSet.C
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@ -39,21 +39,16 @@ void Foam::writeFaceSet
{
const faceList& faces = vMesh.mesh().faces();
std::ofstream pStream(fileName.c_str());
std::ofstream ostr(fileName.c_str());
pStream
<< "# vtk DataFile Version 2.0" << std::endl
<< set.name() << std::endl;
if (binary)
{
pStream << "BINARY" << std::endl;
}
else
{
pStream << "ASCII" << std::endl;
}
pStream << "DATASET POLYDATA" << std::endl;
writeFuns::writeHeader
(
ostr,
binary,
set.name()
);
ostr<< "DATASET POLYDATA" << std::endl;
//------------------------------------------------------------------
//
@ -79,13 +74,13 @@ void Foam::writeFaceSet
// Write points and faces as polygons
pStream << "POINTS " << fp.nPoints() << " float" << std::endl;
ostr<< "POINTS " << fp.nPoints() << " float" << std::endl;
DynamicList<floatScalar> ptField(3*fp.nPoints());
writeFuns::insert(fp.localPoints(), ptField);
writeFuns::write(pStream, binary, ptField);
writeFuns::write(ostr, binary, ptField);
label nFaceVerts = 0;
@ -94,8 +89,7 @@ void Foam::writeFaceSet
{
nFaceVerts += fp.localFaces()[faceI].size() + 1;
}
pStream << "POLYGONS " << fp.size() << ' ' << nFaceVerts
<< std::endl;
ostr<< "POLYGONS " << fp.size() << ' ' << nFaceVerts << std::endl;
DynamicList<label> vertLabels(nFaceVerts);
@ -108,7 +102,7 @@ void Foam::writeFaceSet
writeFuns::insert(f, vertLabels);
}
writeFuns::write(pStream, binary, vertLabels);
writeFuns::write(ostr, binary, vertLabels);
//-----------------------------------------------------------------
@ -119,14 +113,14 @@ void Foam::writeFaceSet
// Write faceID
pStream
ostr
<< "CELL_DATA " << fp.size() << std::endl
<< "FIELD attributes 1" << std::endl;
// Cell ids first
pStream << "faceID 1 " << fp.size() << " int" << std::endl;
ostr<< "faceID 1 " << fp.size() << " int" << std::endl;
writeFuns::write(pStream, binary, setFaceLabels);
writeFuns::write(ostr, binary, setFaceLabels);
}