CGAL users discussion list

[Marc Klopfenstein <>]

Yes I'm still stuck with Poisson Surface Reconstruction.

The problems:

1) How can I activate CGAL Trace ?

2) Why  have I problems with surface reconstruction when the point set
contains more then 250 000 points.  


What I made so far:

- I took the 752_bimba_1Mfaces_noautointersect.off file on the website and I
put  the point set in a .xyz file.

- I run the Point_set_processing_3/normals_example.cpp to generate the
normal’s and saved it again in a .xyz file. Result: 500 000 points.

- Finally I run the
surface_reconstruction_points_3/poisson_reconstruction_example.cpp in which
I just added a point set simplification.


Results:

- It works well with less than 200 000 point, above I have the message error
(Error: cannot solve Poisson equation) 

- When I use my point set (average spacing: 25) it works also with less than
200 000 points and above I have directly a crash in taucs. Why did I have
such a gap between my application (200k points) and yours (1.3M points)?

Thanks,

Marc 


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