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added per face normal to the basic sampler functor for allowing face normal preservation in generated point cloud

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This commit is contained in:
Paolo Cignoni cignoni 2015-11-04 23:51:27 +00:00
parent 4a5b1b4e04
commit 5d1e23b7fb
1 changed files with 8 additions and 1 deletions
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9
src/meshlabplugins/filter_sampling/filter_sampling.cpp
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@ -62,6 +62,7 @@ public:
m=_m;
uvSpaceFlag = false;
qualitySampling=false;
perFaceNormal=false;
tex=0;
}
CMeshO *m;
@ -70,6 +71,8 @@ public:
int texSamplingHeight;
bool uvSpaceFlag;
bool qualitySampling;
bool perFaceNormal; // default false; if true the sample normal is the face normal, otherwise it is interpolated
void reset()
{
m->Clear();
@ -85,8 +88,9 @@ public:
{
tri::Allocator<CMeshO>::AddVertices(*m,1);
m->vert.back().P() = f.cP(0)*p[0] + f.cP(1)*p[1] +f.cP(2)*p[2];
m->vert.back().N() = f.cV(0)->N()*p[0] + f.cV(1)->N()*p[1] + f.cV(2)->N()*p[2];
if(perFaceNormal) m->vert.back().N() = f.cN();
else m->vert.back().N() = f.cV(0)->N()*p[0] + f.cV(1)->N()*p[1] + f.cV(2)->N()*p[2];
if (qualitySampling)
m->vert.back().Q() = f.cV(0)->Q()*p[0] + f.cV(1)->Q()*p[1] + f.cV(2)->Q()*p[2];
}
@ -338,6 +342,9 @@ void FilterDocSampling::initParameterSet(QAction *action, MeshDocument & md, Ric
parlst.addParam(new RichBool("Weighted", false,
"Quality Weighted Sampling",
"Use per vertex quality to drive the vertex sampling. The number of samples falling in each face is proportional to the face area multiplied by the average quality of the face vertices."));
parlst.addParam(new RichBool("PerFaceNormal", false,
"Per Face Normal",
"If true for each sample we take the normal of the sampled face, otherwise the normal interpolated from the vertex normals."));
parlst.addParam(new RichFloat("RadiusVariance", 1, "Radius Variance", "The radius of the disk is allowed to vary between r/var and r*var. If this parameter is 1 the sampling is the same of the Poisson Disk Sampling"));
parlst.addParam(new RichBool("ExactNum", true,
"Exact Sample Num",