CGAL users discussion list

[Fabio Casado Ruiz <>]

The .off files are originally .stl files generated right here, but i suspect 
they have some kind of problem. The engine.off file is too big (65mb), but I 
tried with a 307kb file and it gave the same mistake and shutdown the demo. I 
tried compiling it with cmake -DCGAL_MESH_3_VERBOSE=TRUE but i keep getting 
the same error in the console. Is this error stored in some .log file??? Tell 
me where to find the full error log and if I may send you the small 307kb 
file too. Finding out why this error occurs will probably allow us to check 
our stl format generation and use CGAL in a permanent way.
Thanks,
Fabio
----- Original Message -----
From: "Laurent Rineau (GeometryFactory)" 
<>
To: 

Sent: Thursday, April 21, 2011 10:02:20 AM (GMT-0500) Auto-Detected
Subject: Re: [cgal-discuss] help error meshing

Le jeudi 14 avril 2011 18:00:10, Fabio Casado Ruiz a écrit :
> I'm getting this error while trying to mesh with the Mesh_3 Demo... what
> could be the cause of it???? Thanks
> fab.
> 
> haazzz@HaaZzZ-PC:~/Downloads/CGAL-3.8-beta1/demo/Mesh_3$
>  ### Loading
> "libmesh_3_demo_io_c3t3_plugin.so"... ### Loading
> "libmesh_3_demo_io_image_plugin.so"...
> ### Loading "libmesh_3_demo_io_implicit_function_plugin.so"...
>     + Loading Function "libklein_function_plugin.so"...
>     + Loading Function "libsphere_function_plugin.so"...
>     + Loading Function "libtanglecube_function_plugin.so"...
> ### Loading "libmesh_3_demo_io_off_plugin.so"...
> ### Loading "libmesh_3_demo_mesh_3_optimization_plugin.so"...
> ### Loading "libmesh_3_demo_mesh_3_plugin.so"...
> _readImageHeaderAndGetError: does not find image format for
> '/home/haazzz/Desktop/engine.off' terminate called after throwing an
> instance of 'CGAL::Assertion_exception' what():  CGAL ERROR: assertion
> violation!
> Expr: !r_tr_.is_infinite(*cell_it)
> File:
> /home/haazzz/Downloads/CGAL-3.8-beta1/demo/Mesh_3/../../include/CGAL/Mesh_
> 3/Refine_cells_3.h Line: 384

Could you recompile the demo with the flag -DCGAL_MESH_3_VERBOSE and give us 
the same (but full) error log?

Were have you found engine.off? Could you send us a link so that we can test 
it also?

-- 
Laurent Rineau, PhD
Release Manager of the CGAL Project       http://www.cgal.org/
R&D Engineer at GeometryFactory           http://www.geometryfactory.com/

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