[Gmsh] Exporting to step

[Christophe Geuzaine]

On 21 Feb 2013, at 10:48, Fabrice Silva <silva at lma.cnrs-mrs.fr> wrote:

> Hi,
> I created a geometry within gmsh and wanted to export it using the step
> exporter. I get the following error message:
> 
>        Error   : No OpenCASCADE model found


You can only export a model constructed by OpenCASCADE (i.e. either a loaded STEP/BREP, or a model created using our OpenCASCADE GModelFactory). You cannot export a .geo : we never translate between CAD formats.



>        Info    : Done writing '/some/path/filename.step'
> 
> I am using the gmsh package from debian sid 
> 
>        Info    : Gmsh version   : 2.6.1
>        Info    : Build OS       : Linux
>        Info    : Build options  : Ann Bamg Bfgs Blas Blossom Chaco
>        DIntegration Dlopen FlTree Fltk Gmm Have64BitSizeT Jpeg Lapack
>        MPI MathEx Med Mesh Mmg3d Mpeg NativeFileChooser Netgen OneLab
>        OpenCascade(OCE) OpenGL OptHom PETSc Parser Plugins Png Post
>        RTree SLEPc Salome Solver Voro3D Zlib
>        Info    : Build date     : 20120918
>        Info    : Build host     : IAM135
>        Info    : Packager       : pbuilder
> 
> and have the following OpenCascade packages installed
> $ aptitude search liboce
> i A liboce-foundation2                                  - OpenCASCADE Community Edition CAE platform shared library    
> i A liboce-modeling2                                    - OpenCASCADE Community Edition CAE platform shared library    
> i   liboce-ocaf-lite2                                   - OpenCASCADE Community Edition CAE platform shared library    
> i   liboce-ocaf2                                        - OpenCASCADE Community Edition CAE platform shared library    
> i A liboce-visualization2                               - OpenCASCADE Community Edition CAE platform shared library    
> 
> 
> Debugging the binary, it seems that the _occ_internals in
> Geo/GModelIO_OCC.cpp(GModel::writeOCCSTEP) is not correctly set.
> 
> How should I proceed to export the model to a step format file ?
> 
> 
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> gmsh at geuz.org
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-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 
http://www.montefiore.ulg.ac.be/~geuzaine