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Fixed the new updating garbage collection as it produced garbage

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git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@661 fdac6126-5c0c-442c-9429-916003d36597
This commit is contained in:
Jan Möbius
2012-09-07 18:09:05 +00:00
parent 23bf459eff
commit 28398292a5
2 changed files with 70 additions and 33 deletions
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49
src/OpenMesh/Core/Mesh/ArrayKernelT.cc
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@@ -72,12 +72,20 @@ void ArrayKernel::garbage_collection(std_API_Container_VHandlePointer& vh_to_upd
#endif
#endif
const bool track_vhandles = ( !vh_to_update.empty() );
const bool track_hhandles = ( !hh_to_update.empty() );
const bool track_fhandles = ( !fh_to_update.empty() );
int i, i0, i1, nV(n_vertices()), nE(n_edges()), nH(2*n_edges()), nF(n_faces());
std::vector<VertexHandle> vh_map;
std::vector<HalfedgeHandle> hh_map;
std::vector<FaceHandle> fh_map;
std::map <int, int> vertex_inverse_map;
std::map <int, int> halfedge_inverse_map;
std::map <int, int> face_inverse_map;
// setup handle mapping:
vh_map.reserve(nV);
for (i=0; i<nV; ++i) vh_map.push_back(VertexHandle(i));
@@ -100,6 +108,13 @@ void ArrayKernel::garbage_collection(std_API_Container_VHandlePointer& vh_to_upd
while ( status(VertexHandle(i1)).deleted() && i0 < i1) --i1;
if (i0 >= i1) break;
// If we keep track of the vertex handles for updates,
// we need to have the opposite direction
if ( track_vhandles ) {
vertex_inverse_map[i1] = i0;
vertex_inverse_map[i0] = -1;
}
// swap
std::swap(vertices_[i0], vertices_[i1]);
std::swap(vh_map[i0], vh_map[i1]);
@@ -150,6 +165,13 @@ void ArrayKernel::garbage_collection(std_API_Container_VHandlePointer& vh_to_upd
while ( status(FaceHandle(i1)).deleted() && i0 < i1) --i1;
if (i0 >= i1) break;
// If we keep track of the face handles for updates,
// we need to have the opposite direction
if ( track_fhandles ) {
face_inverse_map[i1] = i0;
face_inverse_map[i0] = -1;
}
// swap
std::swap(faces_[i0], faces_[i1]);
std::swap(fh_map[i0], fh_map[i1]);
@@ -223,12 +245,20 @@ void ArrayKernel::garbage_collection(std_API_Container_VHandlePointer& vh_to_upd
typename std_API_Container_VHandlePointer::iterator v_it(vh_to_update.begin()), v_it_end(vh_to_update.end());
for(; v_it != v_it_end; ++v_it)
{
if ( (*v_it)->idx() >= vertexCount )
// Only changed vertices need to be considered
if ( (*v_it)->idx() != vh_map[(*v_it)->idx()].idx() ) {
*(*v_it) = VertexHandle(vertex_inverse_map[(*v_it)->idx()]);
// Vertices above the vertex count have to be already mapped, or they are invalid now!
} else if ( ((*v_it)->idx() >= vertexCount) && (vertex_inverse_map.find((*v_it)->idx()) == vertex_inverse_map.end()) ) {
(*v_it)->invalidate();
else
*(*v_it) = vh_map[(*v_it)->idx()];
}
}
// TODO : fix garbage collection for halfedges!!!
// Update the halfedge handles in the halfedge handle vector
typename std_API_Container_HHandlePointer::iterator hh_it(hh_to_update.begin()), hh_it_end(hh_to_update.end());
for(; hh_it != hh_it_end; ++hh_it)
@@ -238,14 +268,21 @@ void ArrayKernel::garbage_collection(std_API_Container_VHandlePointer& vh_to_upd
else
*(*hh_it) = hh_map[(*hh_it)->idx()];
}
// Update the face handles in the face handle vector
typename std_API_Container_FHandlePointer::iterator fh_it(fh_to_update.begin()), fh_it_end(fh_to_update.end());
for(; fh_it != fh_it_end; ++fh_it)
{
if ( (*fh_it)->idx() >= faceCount )
// Only changed faces need to be considered
if ( (*fh_it)->idx() != fh_map[(*fh_it)->idx()].idx() ) {
*(*fh_it) = FaceHandle(face_inverse_map[(*fh_it)->idx()]);
// Vertices above the face count have to be already mapped, or they are invalid now!
} else if ( ((*fh_it)->idx() >= faceCount) && (face_inverse_map.find((*fh_it)->idx()) == face_inverse_map.end()) ) {
(*fh_it)->invalidate();
else
*(*fh_it) = fh_map[(*fh_it)->idx()];
}
}
}