"thanks for an awesome program!!! Here are two .PLY files that are point clouds of spheres. they both use normalized normals that are not null. they are both ok in cloudcompare prgram poisson disk, and in meshlab, the second version crashes, the one with floating point normals found using unity3d fucntion "vector3.normalized" :
excerpts of the two same file also in attagment.
ply
format ascii 1.0
element vertex 7785
property float x
property float y
property float z
property float nx
property float ny
property float nz
end_header
5 57 47 -0.5773503 -0.5773503 -0.5773503
5 64 47 -0.5773503 0.5773503 -0.5773503
5 55 48 -0.5773503 -0.5773503 -0.5773503
5 66 48 -0.5773503 0.5773503 -0.5773503
5 54 49 -0.5773503 -0.5773503 -0.5773503
5 67 49 -0.5773503 0.5773503 -0.5773503
.
.
.
ply
format ascii 1.0
element vertex 7785
property float x
property float y
property float z
property float nx
property float ny
property float nz
end_header
5 57 47 -1 0 0
5 64 47 -1 0 0
5 55 48 -1 0 0
5 66 48 -1 0 0
5 54 49 -1 0 0
5 67 49 -1 0 0
5 53 50 -1 0 0
5 68 51 -1 0 0
.
.
.
.
thanks!