> On 1 Oct 2019, at 14:49, Rick <[email protected]> wrote: > > I am trying to mesh volumes from triangulated surface meshes using the > "Compound Surface" construct to identify patches that should be parametrized > and meshed together. I have ensured that the surface normals are pointing > outwards according to the right hand rule but always seem to get warnings of > the type > > "Warning: Could not orient normal of surface ##" > > If I permute the edge ordering for the "Curve Loops" I can suppress some of > the warnings, but not all, and it is not clear why one permutation is > allowed. If I remove the "Compound Surfaces" I don't have this issue, but > also the re-parametrization is lost. > > I have not been able to find any definitive documentation on this so I would > be very appreciative if anyone could clear up how to get the normal > orientations right for compound surfaces (I have attached a minimal unit cube > geo file which illustrates the issue).
Could you try a recent snapshot (future Gmsh 4.5)? This should be fixed. Christophe > <unit_cube.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
