Is that related to the fact (empirical constatation) that a triangle with at least a non-numeric vertex (e. g. "NaN" float as the z coordinate) is eliminated from rendition in jmol and cython ?
-- Emmanuel Charpentier Le lundi 16 octobre 2017 19:30:21 UTC+2, Andrey Novoseltsev a écrit : > > It is known - I have complained several times over the years, but my > understanding is that solving this is difficult. It has to do with the > algorithm that throws away triangles as invisible, and when the surface is > simple like a plain and contains few triangles, you see this behaviour. It > can be solved in each particular case by subdividing surfaces, but > something generic and automatic will be trickier. Paul Masson who wrote the > current implementation may say more perhaps. > -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To post to this group, send email to sage-support@googlegroups.com. Visit this group at https://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.