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added VertexBorder sampling algorithm that simply collect all the vertexes on the boundary.

This commit is contained in:
Paolo Cignoni 2013-12-20 02:27:09 +00:00
parent 2acd02f102
commit d1a5d53a89
1 changed files with 314 additions and 304 deletions
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14
vcg/complex/algorithms/point_sampling.h
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@ -435,7 +435,7 @@ static void VertexUniform(MetroMesh & m, VertexSampler &ps, int sampleNum)
/// \brief Sample all the border corner vertices /// \brief Sample all the border corner vertices
/// ///
/// It assumes that the border flag have been set over the mesh. /// It assumes that the border flag have been set over the mesh both for vertex and for faces.
/// All the vertices on the border where the surface forms an angle smaller than the given threshold are sampled. /// All the vertices on the border where the surface forms an angle smaller than the given threshold are sampled.
/// ///
static void VertexBorderCorner(MetroMesh & m, VertexSampler &ps, float angleRad) static void VertexBorderCorner(MetroMesh & m, VertexSampler &ps, float angleRad)
@ -455,13 +455,23 @@ static void VertexBorderCorner(MetroMesh & m, VertexSampler &ps, float angleRad)
for(VertexIterator vi=m.vert.begin();vi!=m.vert.end();++vi) for(VertexIterator vi=m.vert.begin();vi!=m.vert.end();++vi)
{ {
if(angleSumH[vi]<angleRad) if(angleSumH[vi]<angleRad && vi->IsB())
ps.AddVert(*vi); ps.AddVert(*vi);
} }
tri::Allocator<MetroMesh>:: template DeletePerVertexAttribute<float> (m,angleSumH); tri::Allocator<MetroMesh>:: template DeletePerVertexAttribute<float> (m,angleSumH);
} }
/// \brief Sample all the border vertices
///
/// It assumes that the border flag have been set over the mesh.
/// All the vertices on the border are sampled.
///
static void VertexBorder(MetroMesh & m, VertexSampler &ps)
{
VertexBorderCorner(m,ps,std::numeric_limits<ScalarType>::max());
}
/// Sample all the crease vertices. /// Sample all the crease vertices.
/// It assumes that the crease edges had been marked as non-faux edges /// It assumes that the crease edges had been marked as non-faux edges
/// for example by using /// for example by using