Did you call data_out.build_patches(mapping, subdivisions,DataOut<dim>::curved_inner_cells);
with subdivisions > 1? Thanks a lot. I was missing this. Since my mesh has only straight edges, I am instead calling data_out.build_patches(fe.order); On Thursday, January 21, 2021 at 2:03:19 AM UTC+5:30 Timo Heister wrote: > One thing that might not be obvious is that it is not enough to have a > manifold id for boundary faces. You need to assign a manifold to the cells > as well. > > On Wednesday, January 20, 2021 at 11:49:59 AM UTC-5 [email protected] > wrote: > >> Did you call >> >> data_out.build_patches(mapping, >> subdivisions,DataOut<dim>::curved_inner_cells); >> >> with subdivisions > 1? >> >> L. >> >> > On 20 Jan 2021, at 12:06, [email protected] <[email protected]> >> wrote: >> > >> > Dear all, >> > >> > I have a working code that outputs pvtu/vtu files for visualisation. >> > >> > I have read the wiki page for writing and visualising high order >> output. Currently, I only have straight-edge quadrilaterals so I the only >> change I have made to my code is to update VtkFlags and set them in the >> DataOut object (as below). Please correct me if I am missing anything here. >> > >> > DataOutBase::VtkFlags flags; >> > flags.write_higher_order_cells = true; >> > data_out.set_flags(flags); >> > >> > However, the output of this modified code still produces linear >> variation when visualised. I have also set the Nonlinear Subdivision Level >> in paraview accordingly. But is seems to produce no change. >> > >> > What am I missing? >> > >> > Thanking in anticipation >> > Vachan >> > >> > -- >> > The deal.II project is located at http://www.dealii.org/ >> > For mailing list/forum options, see >> https://groups.google.com/d/forum/dealii?hl=en >> > --- >> > You received this message because you are subscribed to the Google >> Groups "deal.II User Group" group. >> > To unsubscribe from this group and stop receiving emails from it, send >> an email to [email protected]. >> > To view this discussion on the web visit >> https://groups.google.com/d/msgid/dealii/8c366b2b-2cc4-430d-9d14-6415693d7556n%40googlegroups.com >> . >> >> -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/dealii/32c8560f-107f-4d60-8150-7959e20b9754n%40googlegroups.com.
