Re: [Gmsh] no tets in mesh saved as STL

Laurent Van Miegroet Mon, 05 May 2008 10:36:48 -0700

Hi Ernest,

Maybe you should give a look at these classes from vtk :

vtkStructuredGridWriter and vtkUnstructuredGridWriter ( http://public.kitware.com/VTK/doc/nightly/html/classvtkUnstructuredGridWriter.html ).

Here's the code we use in our program (linked with VTK)

         vtkUnstructuredGridWriter *uGridWriter=vtkUnstructuredGridWriter::New();
         uGridWriter->SetFileName(fileName) ;

        ostream *fileHandle= uGridWriter->OpenVTKFile() ;
         uGridWriter->WriteHeader (fileHandle);

         uGridWriter->SetInput(container->getUnstructuredGrid());
         uGridWriter->Write();
         uGridWriter->CloseVTKFile (fileHandle) ;

If you only need to export the mesh (and not the data, it should not be too difficult)
Laurent.

Le 13:57 05/05/2008,Ernest Johnson écrit:

>Hi Ernest - To avoid writing format translators again and again (IIRC
>several people on this list are also interested in the VTK format), it
>would actually be really nice if you could directly add a routine in
>Gmsh to save a mesh in VTK format.

I'm not sure if I know enough to write a valid VTK file. The code that I produce would probably work fine for my purposes, but cause other applications to fail. If some open source converter (or any other project that writes a general, unstructured mesh) to the VTK format exists, I offer to integrate that code into gmsh. Any suggestions where to start?

Best,
Ernest

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Laurent Van Miegroet
Ingénieur de recherche
LTAS - Service d'Ingénierie des Véhicules Terrestres
Université de Liège
Institut de Mécanique et de Génie Civil, Bât. B52
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Re: [Gmsh] no tets in mesh saved as STL

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