[Gmsh] gmsh crashes when importing an IGES file

[Christophe Geuzaine]

Mark van Doesburg wrote:
> Hello,
> 
> I am trying to import a simple IGES file into GMSH. Unfortunately GMSH
> crashes when reading the attached file, the file only contains a cylinder
> and was created with BRL-CAD.
> 
> The program segfaults just after the message "- fixing spot and strip
> faces" should be displayed. Using the debugger I've been able to see
> that entity = 0xfefdfefdfefd0000 which means it was uninitialized,
> I am not sure where to look next.
> 

If I uncheck the "Remove small edges/faces from OpenCascade models" in 
Options->Geometry->General the file loads without warnings, but the 
models appears to be empty...

As a general rule, try to avoid IGES files: they don't contain the 
topology. If at all possible use STEP files instead.



> regards, 
> 
> Mark van Doesburg
> 
> 
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-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science
http://www.montefiore.ulg.ac.be/~geuzaine