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minor changes in poisson disk

This commit is contained in:
Massimiliano Corsini 2009-01-09 17:05:10 +00:00
parent 3586a13438
commit 44aa343da6
1 changed files with 8 additions and 9 deletions
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17
vcg/complex/trimesh/point_sampling.h
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@ -36,6 +36,8 @@ Each function calls many time the sample object with the sampling point as param
#define __VCGLIB_POINT_SAMPLING #define __VCGLIB_POINT_SAMPLING
#include <vcg/math/random_generator.h> #include <vcg/math/random_generator.h>
#include <vcg/complex/trimesh/closest.h>
#include <vcg/space/index/spatial_hashing.h>
#include <vcg/complex/trimesh/stat.h> #include <vcg/complex/trimesh/stat.h>
#include <vcg/complex/trimesh/update/topology.h> #include <vcg/complex/trimesh/update/topology.h>
#include <vcg/space/box2.h> #include <vcg/space/box2.h>
@ -337,6 +339,7 @@ static void StratifiedMontecarlo(MetroMesh & m, VertexSampler &ps,int sampleNum)
floatSampleNum -= (double) faceSampleNum; floatSampleNum -= (double) faceSampleNum;
} }
} }
static void Montecarlo(MetroMesh & m, VertexSampler &ps,int sampleNum) static void Montecarlo(MetroMesh & m, VertexSampler &ps,int sampleNum)
{ {
typedef std::pair<ScalarType, FacePointer> IntervalType; typedef std::pair<ScalarType, FacePointer> IntervalType;
@ -641,19 +644,15 @@ static void Poissondisk(MetroMesh &m, VertexSampler &ps, int sampleNum)
{ {
FaceIterator fi; FaceIterator fi;
// first of all computed r // first of all computed radius
ScalarType meshArea = Stat<MetroMesh>::ComputeMeshArea(m); ScalarType meshArea = Stat<MetroMesh>::ComputeMeshArea(m);
ScalarType r = sqrt(meshArea / (0.7 * 3.1415 * sampleNum)); // 0.7 is a density factor ScalarType r = sqrt(meshArea / (0.7 * 3.1415 * sampleNum)); // 0.7 is a density factor
for (fi = m.face.begin(); fi != m.face.end(); fi++) // setup initial grid
{ Point3<ScalarType> C = m.bbox.Center();
ps.AddFace(*fi, RandomBaricentric());
}
for (int i = 0; i < sampleNum; i++) ScalarType maxdim; // max(dimx,dimy,dimz)
{ maxdim = std::max(m.bbox.DimX(), std::max(m.bbox.DimY(), m.bbox.DimZ()));
//...TODO...
}
} }
//template <class MetroMesh> //template <class MetroMesh>