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Added helper function to returning a list of all the unique edges of a mesh

This commit is contained in:
Paolo Cignoni 2009-01-14 15:54:50 +00:00
parent d236258507
commit 1f992d7929
1 changed files with 15 additions and 1 deletions
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16
vcg/complex/trimesh/update/topology.h
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@ -160,9 +160,12 @@ inline bool operator == ( const PEdge & pe ) const
}; };
// Fill a vector with all the edges of the mesh.
// each edge is stored in the vector the number of times that it appears in the mesh, with the referring face.
static void FillEdgeVector(MeshType &m, std::vector<PEdge> &e) static void FillEdgeVector(MeshType &m, std::vector<PEdge> &e)
{ {
FaceIterator pf; FaceIterator pf;
typename std::vector<PEdge>::iterator p; typename std::vector<PEdge>::iterator p;
// Alloco il vettore ausiliario // Alloco il vettore ausiliario
@ -183,6 +186,17 @@ static void FillEdgeVector(MeshType &m, std::vector<PEdge> &e)
assert(p==e.end()); assert(p==e.end());
} }
static void FillUniqueEdgeVector(MeshType &m, std::vector<PEdge> &Edges)
{
FillEdgeVector(m,Edges);
sort(Edges.begin(), Edges.end()); // Lo ordino per vertici
typename std::vector< PEdge>::iterator newEnd = std::unique(Edges.begin(), Edges.end());
typename std::vector<PEdge>::iterator ei;
Edges.resize(newEnd-Edges.begin());
}
/// \brief Update the Face-Face topological relation by allowing to retrieve for each face what other faces shares their edges. /// \brief Update the Face-Face topological relation by allowing to retrieve for each face what other faces shares their edges.
static void FaceFace(MeshType &m) static void FaceFace(MeshType &m)
{ {