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- added a "only on selection" option to VertexUniform and AllVertex sampling functions 

- added a "isD" check to VertexUniform sampling function

to be tested
This commit is contained in:
Marco Callieri 2015-10-29 13:44:25 +00:00
parent e814e3a9f5
commit 6715e4f658
1 changed files with 35 additions and 18 deletions
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53
vcg/complex/algorithms/point_sampling.h
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@ -505,14 +505,18 @@ static int Poisson(double lambda)
static void AllVertex(MeshType & m, VertexSampler &ps)
{
VertexIterator vi;
for(vi=m.vert.begin();vi!=m.vert.end();++vi)
{
if(!(*vi).IsD())
{
ps.AddVert(*vi);
}
}
AllVertex(m, ps, false);
}
static void AllVertex(MeshType & m, VertexSampler &ps, bool onlySelected)
{
VertexIterator vi;
for(vi=m.vert.begin();vi!=m.vert.end();++vi)
if(!(*vi).IsD())
if ((!onlySelected) || ((*vi).IsS()))
{
ps.AddVert(*vi);
}
}
/// Sample the vertices in a weighted way. Each vertex has a probability of being chosen
@ -603,18 +607,31 @@ static void FillAndShuffleVertexPointerVector(MeshType & m, std::vector<VertexPo
}
/// Sample the vertices in a uniform way. Each vertex has the same probabiltiy of being chosen.
static void VertexUniform(MeshType & m, VertexSampler &ps, int sampleNum, bool onlySelected)
{
if (sampleNum >= m.vn) {
AllVertex(m, ps, onlySelected);
return;
}
std::vector<VertexPointer> vertVec;
FillAndShuffleVertexPointerVector(m, vertVec);
int added = 0;
for (int i = 0; ((i < m.vn) && (added < sampleNum)); ++i)
if (!(*vertVec[i]).IsD())
if ((!onlySelected) || (*vertVec[i]).IsS())
{
ps.AddVert(*vertVec[i]);
added++;
}
}
static void VertexUniform(MeshType & m, VertexSampler &ps, int sampleNum)
{
if(sampleNum>=m.vn) {
AllVertex(m,ps);
return;
}
std::vector<VertexPointer> vertVec;
FillAndShuffleVertexPointerVector(m,vertVec);
for(int i =0; i< sampleNum; ++i)
ps.AddVert(*vertVec[i]);
VertexUniform(m, ps, sampleNum, false);
}