Hi Bart, Gmsh already use the OpenCascade library to import STEP files, which is the format we recommend (instead of IGES).
To build your geometry, you can try Salome ( http://salome-platform.org/ ), which also use OpenCascade. You can test it easily with a Live DVD : http://caelinux.com/CMS/index.php?option=com_content&task=view&id=49&Itemid=40 Regards, Dave -- David Colignon, Ph.D. Collaborateur Logistique du F.R.S.-FNRS CÉCI - Consortium des Équipements de Calcul Intensif ACE - Applied & Computational Electromagnetics Sart-Tilman B28 Université de Liège 4000 Liège - BELGIQUE Tél: +32 (0)4 366 37 32 Fax: +32 (0)4 366 29 10 WWW: http://hpc.montefiore.ulg.ac.be/ Agenda: http://www.google.com/calendar/embed?src=david.colignon%40gmail.com On 22/03/11 16:35, Bart Vandewoestyne wrote:
Hello list, Up until now, I have been working with simple, quite academic 2D geometries that I could easily 'program' as a .geo file. As I will switch to 3D in the near future and my geometries might become more complex and less academic, I think I will have to leave gmsh for creating my geometries... For complex 3D solid modeling or CAD, I have the impression that gmsh is rather limited (please correct me if I'm wrong) and I will probably need to switch to a more dedicated 3D solid modeling or CAD tool that has a nice and intuitive GUI and which allows me to create my 3D geometries interactively. Let's call '3D-tool' the external tool that I will use for my 3D solid modeling, then I have two questions: 1) What file format should my 3D-tool be able to export to? What is the best file format to use for maximum compatibility and ease of use in gmsh? (I prefer open file formats... so if there is one to recommend here, I would be happy to hear). 2) Knowing that I am only interested in Open Source software that runs on both Linux and Windows, what would probably be the best 3D solid modeling / CAD tool to use? My first google searches resulted in BRL-CAD, FreeCAD and Open CASCADE http://brlcad.org/ http://sourceforge.net/apps/mediawiki/free-cad/index.php?title=Main_Page http://www.opencascade.org/ Is any of these three preferable in combination with gmsh? Or are there even other better programs? Kind regards, Bart
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