[Gmsh] Problem importing STEP file from Rhino3d

[Christophe Geuzaine]

Peter Wainwright wrote:
> As a first exercise with Rhino, I created a primitive sphere and
> exported it as STEP.  However, When I import this into gmsh 2.2.4
> (linked with OpenCASCADE 6.2), I find that the bounding curves of the
> surfaces are wrong, and the surfaces do not meet.  Can anyone tell me
> what is the problem here?

Yes, it's an annoying bug in OpenCascade's CAD cleaning routines. 
Disable "Remove small edges" in Options->Geometry->General and it should 
work.

> 
> I have attached the .stp file and a screenshot of the resulting model...
> 
> Peter Wainwright
> 
> 
> 
> ------------------------------------------------------------------------
> 
> 
> ------------------------------------------------------------------------
> 
> _______________________________________________
> 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