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ENH: allow direct writing of polyhedra from foamToVTK

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This commit is contained in:
Mark Olesen
2010-05-07 09:06:48 +02:00
parent 5b588af7ab
commit 64ac5cbc78
8 changed files with 76 additions and 57 deletions
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50
applications/utilities/postProcessing/dataConversion/foamToVTK/vtkTopo.C
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@ -102,10 +102,6 @@ Foam::vtkTopo::vtkTopo(const polyMesh& mesh)
}
}
}
else
{
notImplemented("vtkTopo: non-decomposed polyhedron");
}
// Set size of additional point addressing array
@ -191,7 +187,7 @@ Foam::vtkTopo::vtkTopo(const polyMesh& mesh)
}
else if (decomposePoly)
{
// Polyhedral cell. Decompose into tets + prisms.
// Polyhedral cell. Decompose into tets + pyramids.
// Mapping from additional point to cell
addPointCellLabels_[addPointI] = cellI;
@ -314,6 +310,50 @@ Foam::vtkTopo::vtkTopo(const polyMesh& mesh)
{
// Polyhedral cell - not decomposed
cellTypes_[cellI] = VTK_POLYHEDRON;
const labelList& cFaces = mesh_.cells()[cellI];
// space for the number of faces and size of each face
label nData = 1 + cFaces.size();
// count total number of face points
forAll(cFaces, cFaceI)
{
const face& f = mesh.faces()[cFaces[cFaceI]];
nData += f.size(); // space for the face labels
}
vtkVerts.setSize(nData);
nData = 0;
vtkVerts[nData++] = cFaces.size();
// build face stream
forAll(cFaces, cFaceI)
{
const face& f = mesh.faces()[cFaces[cFaceI]];
const bool isOwner = (owner[cFaces[cFaceI]] == cellI);
// number of labels for this face
vtkVerts[nData++] = f.size();
if (isOwner)
{
forAll(f, fp)
{
vtkVerts[nData++] = f[fp];
}
}
else
{
// fairly immaterial if we reverse the list
// or use face::reverseFace()
forAllReverse(f, fp)
{
vtkVerts[nData++] = f[fp];
}
}
}
}
}