[Gmsh] linking OCC and GMSH?

[Christophe Geuzaine]

Pierre JUILLARD wrote:
> Hi all,
> 
> I recently wanted to open a stp file in GMSH, so I began to look for 
> emails with some information about the best way to do it.
> I found some that were speaking about linking and compiling GMSH and 
> OCC, and was a little bit afraid.
> 
> I first decided to download and install the OCC package, then start GMSH 
> and see what would happen.
> Maybe GMSH would recognize OCC environment variables or something, and 
> that would be done.
> 
> And actually, it worked...
> 
> That is really nice!
> I would like however to know what happens when I started GMSH. Why were 
> previous e-mails speaking about linking and compiling?
> 
> - is GMSH 2.3.0 now shipped with a built-in stp file reader?

Yes, the binaries on the web site are linked with OpenCascade.


> - or does it automatcially recognize OCC environment variables?
> 
> In such a case, as the OCC package is quite huge (I installed 
> everything), could you advice me about the necessary OCC packages to 
> install in order to read IGS/SETP/BREP files in GMSH, such that I can 
> drop the others? (here is enclosed the screen displayed during the OCC 
> installation allowing some choices)
> 
> I thank you in advance!
> Regards,
> 
> 
> Pierre
> 
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> 
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-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science
http://www.montefiore.ulg.ac.be/~geuzaine