> On 18 Mar 2020, at 13:48, Baltasar Rüchardt <[email protected]> > wrote: > > Hello everyone, > > > While working with gmsh and importing stls in order to create FEM-meshes > I was confronted with a question I wasn't able to solve on my own so far: > > Can I merge a stl file in gmsh and rotate the stl data afterwards?
It's a bit convoluted in a .geo file (because you need to create a post-processing view) but you can do it as follows:
dev_test_rotation_cg.geo
Description: Binary data
With the API you can directly modify the node coordinates. Christophe > Alternatively, can I rotate the geometry that was created by > CreateGeometry; such that the fem mesh will be rotated as well? > > I attached an example script (dev_test_rotation.geo) where I try the > second approach: Create the volume from the stl and then I try to rotate > the geometrical entities. See the part "Try rotate volume" in the > script. I also attached a simple stl geometry to test it. > > Do you have any ideas? > > The alternative that came to my mind is to rotate with e.g. meshlab > before merging to gmsh. Is this the best / only solution? > > I am looking forward to your answers! > > Thank you and stay well > > > Baltasar Rüchardt > > > > > <example.stl><dev_test_rotation.geo>_______________________________________________ > gmsh mailing list > [email protected] > http://onelab.info/mailman/listinfo/gmsh — Prof. Christophe Geuzaine University of Liege, Electrical Engineering and Computer Science http://www.montefiore.ulg.ac.be/~geuzaine
_______________________________________________ gmsh mailing list [email protected] http://onelab.info/mailman/listinfo/gmsh
