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added VVStarVF that computes the star of a given vertex exploiting VF adjacency

This commit is contained in:
Paolo Cignoni 2008-12-21 01:41:07 +00:00
parent eca304e5f5
commit 190e1612c7
1 changed files with 26 additions and 0 deletions
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26
vcg/simplex/face/topology.h
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@ -559,6 +559,32 @@ void VFAppend(FaceType* & f, int z)
v->VFi()=z;
}
/*!
* Compute the set of vertices adjacent to a given vertex using VF adjacency.
* \param vp pointer to the vertex whose star has to be computed.
* \param starVec a std::vector of Vertex pointer that is filled with the adjacent vertices.
*
*/
template <class FaceType>
void VVStarVF( typename FaceType::VertexType* vp, std::vector<typename FaceType::VertexType *> &starVec)
{
typedef typename FaceType::VertexType* VertexPointer;
starVec.clear();
face::VFIterator<FaceType> vfi(vp);
while(!vfi.End())
{
starVec.push_back(vfi.F()->V1(vfi.I()));
starVec.push_back(vfi.F()->V2(vfi.I()));
++vfi;
}
std::sort(starVec.begin(),starVec.end());
typename std::vector<VertexPointer>::iterator new_end = std::unique(starVec.begin(),starVec.end());
starVec.resize(new_end-starVec.begin());
}
/*@}*/
} // end namespace
} // end namespace