CGAL users discussion list

[Qianqian Fang <>]

Dear list:

I found this issue in both CGAL 3D mesher and surface mesher.
The test data set can be downloaded at

http://nmr.mgh.harvard.edu/~fangq/temp/fivespheres.inr.gz

the gz file is 9k in size, containing a binary 100x100x100 image
with 5 spherical inclusions (inside the inclusions is 1, outside is 0).

When running example/Surface_mesher/mesh_a_3d_gray_image.cpp
for the data, the output surface mesh only contains a single sphere.

I modified CGAL to allow me to set random number seeds.
With different seeds, the program may occasionally give
2 spheres. Similarly observations for sample/Mesh_3/mesh_3D_image.cpp

Please advise how to make CGAL aware of all inclusions in
this type of images.

thank you

Qianqian