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Adding patch information from surface. Changing dualMesh.obj writing to use points and faces derived during polyMesh calculation rather than recalculating.

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This commit is contained in:
graham
2008-11-05 11:34:56 +00:00
parent 7d08315863
commit 0180a47666
5 changed files with 68 additions and 78 deletions
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1
applications/utilities/mesh/generation/CV3DMesher/CV3D.C
View File

@ -527,7 +527,6 @@ void Foam::CV3D::write()
writePoints("points.obj", true);
writeTriangles("allTriangles.obj", false);
writeTriangles("triangles.obj", true);
writeDual("dualMesh.obj");
}
writeMesh();

7
applications/utilities/mesh/generation/CV3DMesher/CV3D.H
View File

@ -422,7 +422,12 @@ public:
void writeTriangles(const fileName& fName, bool internalOnly) const;
//- Write dual points and faces as .obj file
void writeDual(const fileName& fName) const;
void writeDual
(
const pointField& points,
const faceList& faces,
const fileName& fName
) const;
//- Write polyMesh
void writeMesh(bool writeToTimestep = false);

81
applications/utilities/mesh/generation/CV3DMesher/CV3DIO.C
View File

@ -31,7 +31,7 @@ License
void Foam::CV3D::writePoints(const fileName& fName, bool internalOnly) const
{
Info << "Writing points to " << fName << nl << endl;
Info<< nl << "Writing points to " << fName << nl << endl;
OFstream str(fName);
for
@ -49,86 +49,41 @@ void Foam::CV3D::writePoints(const fileName& fName, bool internalOnly) const
}
void Foam::CV3D::writeDual(const fileName& fName) const
void Foam::CV3D::writeDual
(
const pointField& points,
const faceList& faces,
const fileName& fName
) const
{
Info << "Writing dual points and faces to " << fName << nl << endl;
Info<< nl << "Writing dual points and faces to " << fName << nl << endl;
OFstream str(fName);
label dualVerti = 0;
for
(
Triangulation::Finite_cells_iterator cit = finite_cells_begin();
cit != finite_cells_end();
++cit
)
forAll(points, p)
{
cit->cellIndex() = -1;
if
(
cit->vertex(0)->internalOrBoundaryPoint()
|| cit->vertex(1)->internalOrBoundaryPoint()
|| cit->vertex(2)->internalOrBoundaryPoint()
|| cit->vertex(3)->internalOrBoundaryPoint()
)
{
cit->cellIndex() = dualVerti;
meshTools::writeOBJ(str, topoint(dual(cit)));
dualVerti++;
}
// else
// {
// cit->cellIndex() = -1;
// }
meshTools::writeOBJ(str, points[p]);
}
for
(
Triangulation::Finite_edges_iterator eit = finite_edges_begin();
eit != finite_edges_end();
++eit
)
forAll (faces, f)
{
if
(
eit->first->vertex(eit->second)->internalOrBoundaryPoint()
|| eit->first->vertex(eit->third)->internalOrBoundaryPoint()
)
{
Cell_circulator ccStart = incident_cells(*eit);
Cell_circulator cc = ccStart;
str<< 'f';
do
{
if (!is_infinite(cc))
{
if (cc->cellIndex() < 0)
{
FatalErrorIn
(
"Foam::CV3D::writeDual(const fileName& fName)"
)
<< "Dual face uses circumcenter defined by a Delaunay "
"tetrahedron with no internal or boundary points."
<< exit(FatalError);
}
const face& fP = faces[f];
str<< ' ' << cc->cellIndex() + 1;
forAll(fP, p)
{
str<< ' ' << fP[p] + 1;
}
} while (++cc != ccStart);
str<< nl;
}
}
}
void Foam::CV3D::writeTriangles(const fileName& fName, bool internalOnly) const
{
Info << "Writing triangles to " << fName << nl << endl;
Info<< nl << "Writing triangles to " << fName << nl << endl;
OFstream str(fName);
labelList vertexMap(number_of_vertices());
@ -271,6 +226,8 @@ void Foam::CV3D::writeMesh(bool writeToTimestep)
<< "Failed writing polyMesh."
<< exit(FatalError);
}
writeDual(points, faces, "dualMesh.obj");
}
// * * * * * * * * * * * * * * * IOstream Operators * * * * * * * * * * * * //

47
applications/utilities/mesh/generation/CV3DMesher/calcDualMesh.C
View File

@ -278,11 +278,20 @@ void Foam::CV3D::calcDualMesh
// ~~~~~~~~~~~~ dual face and owner neighbour construction ~~~~~~~~~~~~~~~~~
label nPatches = 1;
label nPatches = qSurf_.patches().size() + 1;
label defaultPatchIndex = qSurf_.patches().size();
patchNames.setSize(nPatches);
patchNames[0] = "CV3D_default_patch";
const geometricSurfacePatchList& surfacePatches = qSurf_.patches();
forAll(surfacePatches, sP)
{
patchNames[sP] = surfacePatches[sP].name();
}
patchNames[defaultPatchIndex] = "CV3D_default_patch";
patchSizes.setSize(nPatches);
@ -399,8 +408,28 @@ void Foam::CV3D::calcDualMesh
dcOwn = dcA;
}
// find which patch this face is on; Hardcoded for now.
label patchIndex = 0;
// Find which patch this face is on by finding the
// intersection with the surface of the Delaunay edge
// generating the face and identify the region of the
// intersection.
point ptA = topoint(vA->point());
point ptB = topoint(vB->point());
pointIndexHit pHit = qSurf_.tree().findLineAny(ptA, ptB);
label patchIndex = qSurf_[pHit.index()].region();
if (patchIndex == -1)
{
patchIndex = defaultPatchIndex;
WarningIn("Foam::CV3D::calcDualMesh.C")
<< "Dual face found that is not on a surface "
<< "patch. Adding to CV3D_default_patch."
<< endl;
}
patchFaces[patchIndex].append(newDualFace);
patchOwners[patchIndex].append(dcOwn);
@ -432,11 +461,11 @@ void Foam::CV3D::calcDualMesh
dualFacei++;
}
}
else
{
Info<< verticesOnFace.size()
<< " size face not created." << endl;
}
// else
// {
// Info<< verticesOnFace.size()
// << " size face not created." << endl;
// }
}
}