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Not collecting failed faces but directly processing them

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This commit is contained in:
Max Limper
2016-04-06 17:28:41 +02:00
parent 6a045b5c5e
commit 532f64464a
1 changed files with 33 additions and 50 deletions
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83
src/OpenMesh/Core/IO/importer/ImporterT.hh
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@@ -131,17 +131,45 @@ public:
if (*it == *it2)
{
omerr() << "ImporterT: Face has equal vertices\n";
failed_faces_.push_back(_indices);
return fh;
}
// try to add face
fh = mesh_.add_face(_indices);
// separate non-manifold faces and mark them
if (!fh.is_valid())
{
failed_faces_.push_back(_indices);
return fh;
VHandles vhandles(_indices.size());
// double vertices
for (unsigned int j=0; j<_indices.size(); ++j)
{
// DO STORE p, reference may not work since vertex array
// may be relocated after adding a new vertex !
Point p = mesh_.point(_indices[j]);
vhandles[j] = mesh_.add_vertex(p);
// Mark vertices of failed face as non-manifold
if (mesh_.has_vertex_status()) {
mesh_.status(vhandles[j]).set_fixed_nonmanifold(true);
}
}
// add face
FaceHandle fh = mesh_.add_face(vhandles);
// Mark failed face as non-manifold
if (mesh_.has_face_status())
mesh_.status(fh).set_fixed_nonmanifold(true);
// Mark edges of failed face as non-two-manifold
if (mesh_.has_edge_status()) {
typename Mesh::FaceEdgeIter fe_it = mesh_.fe_iter(fh);
for(; fe_it.is_valid(); ++fe_it) {
mesh_.status(*fe_it).set_fixed_nonmanifold(true);
}
}
}
//write the half edge normals
@@ -358,60 +386,15 @@ public:
size_t n_edges() const { return mesh_.n_edges(); }
void prepare() { failed_faces_.clear(); }
void prepare() { }
void finish()
{
if (!failed_faces_.empty())
{
omerr() << failed_faces_.size()
<< " faces failed, adding them as isolated faces\n";
for (unsigned int i=0; i<failed_faces_.size(); ++i)
{
VHandles& vhandles = failed_faces_[i];
// double vertices
for (unsigned int j=0; j<vhandles.size(); ++j)
{
Point p = mesh_.point(vhandles[j]);
vhandles[j] = mesh_.add_vertex(p);
// DO STORE p, reference may not work since vertex array
// may be relocated after adding a new vertex !
// Mark vertices of failed face as non-manifold
if (mesh_.has_vertex_status()) {
mesh_.status(vhandles[j]).set_fixed_nonmanifold(true);
}
}
// add face
FaceHandle fh = mesh_.add_face(vhandles);
// Mark failed face as non-manifold
if (mesh_.has_face_status())
mesh_.status(fh).set_fixed_nonmanifold(true);
// Mark edges of failed face as non-two-manifold
if (mesh_.has_edge_status()) {
typename Mesh::FaceEdgeIter fe_it = mesh_.fe_iter(fh);
for(; fe_it.is_valid(); ++fe_it) {
mesh_.status(*fe_it).set_fixed_nonmanifold(true);
}
}
}
failed_faces_.clear();
}
}
void finish() { }
private:
Mesh& mesh_;
std::vector<VHandles> failed_faces_;
// stores normals for halfedges of the next face
std::map<VertexHandle,Normal> halfedgeNormals_;
};