[Gmsh] Bug reported by Gmsh 2.1.1

[Christophe Geuzaine]

Alexander MacLennan wrote:
> Hi,
> 
> I managed to break gmsh when converting an IGES file to an STL file
> 
> I have attached the IGS file that caused the error
> 
> Here is the cmdline and output
> 
> krom:~/iges> /home/maclenna/bin/gmsh -3 -o 57244015-frame-4.stl -format 
> stl -algo tetgen -clscale 0.15 -constrain 57244015-frame-4.igs
> Info    : Increasing process stack size (8192 kB < 16 MB)
> Info    : '/home/maclenna/bin/gmsh -3 -o 57244015-frame-4.stl -format 
> stl -algo tetgen -clscale 0.15 -constrain 57244015-frame-4.igs ' started 
> on Sat Mar 29 18:47:08 2008
> Info    : Reading '57244015-frame-4.igs'
> Total number of loaded entities : 11.
> Info    : Healing geometry (tolerance=1e-06)
> Info    : - fixing small edges
> Info    : - fixing spot and strip faces

Looks like the CAD cleaning does not like your IGES file. If you don't 
do the cleaning, the file appears to be empty: try e.g.

gmsh 57244015-frame-4.igs -string 
"Geometry.OCCFixSmallEdges=0;Geometry.OCCFixSmallFaces=0;"



> Fatal   : Segmentation violation (invalid memory reference)
>         : ------------------------------------------------------
>         : You have discovered a bug in Gmsh! You may report it
>         : by e-mail (together with any helpful data permitting to
>         : reproduce it) to <gmsh at geuz.org <mailto:gmsh at geuz.org>>
> debug!
> Abort (core dumped)
> 
> I'll try and get the actual core file
> 
> cheers
> 
> Alex
> 
> 
> ------------------------------------------------------------------------
> 
> _______________________________________________
> gmsh mailing list
> gmsh at geuz.org
> http://www.geuz.org/mailman/listinfo/gmsh


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