manolas
/
vcglib
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Corrected ComputePoissonDiskRadius to Manage approximately the PointCloud Case, using area of the bbox as an approx of the surface area.

This commit is contained in:
Paolo Cignoni 2009-03-27 15:09:14 +00:00
parent 9a0b315fb0
commit 066c2bdb8b
1 changed files with 9 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
vcg/complex/trimesh/point_sampling.h
View File

@ -765,7 +765,15 @@ struct PoissonDiskParam
static ScalarType ComputePoissonDiskRadius(MetroMesh &origMesh, int sampleNum)
{
ScalarType meshArea = Stat<MetroMesh>::ComputeMeshArea(origMesh);
ScalarType diskRadius = sqrt(meshArea / (0.7 * M_PI * sampleNum)); // 0.7 is a density factor
// Manage approximately the PointCloud Case, use the half a area of the bbox.
// TODO: If you had the radius a much better approximation could be done.
if(meshArea ==0)
{
meshArea = (origMesh.bbox.DimX()*origMesh.bbox.DimY() +
origMesh.bbox.DimX()*origMesh.bbox.DimZ() +
origMesh.bbox.DimY()*origMesh.bbox.DimZ());
}
ScalarType diskRadius = sqrt(meshArea / (0.7 * M_PI * sampleNum)); // 0.7 is a density factor
return diskRadius;
}