I see. thanks for the tip. On Mon, Jul 10, 2023 at 1:07 PM Daniel Arndt <d.arndt.m...@gmail.com> wrote:
> Kaushik, > > The implementation for those functions is pretty simple so it shouldn't be > too hard to modify them to meet your needs, see > https://dealii.org/current/doxygen/deal.II/grid__tools_8cc_source.html#l03828 > . > > Best, > Daniel > > On Mon, Jul 10, 2023 at 1:01 PM Kaushik Das <k.da...@gmail.com> wrote: > >> Hi Bruno, thank you very much for your quick reply. This is what I was >> looking for. Thanks. But I have another question, is there a way the >> generate these graph by only considering a subset of cells from a >> triangulation? Like cells that has a specific fe_index or material_id or >> flags? Thank you. >> >> On Mon, Jul 10, 2023 at 11:43 AM Bruno Turcksin <bruno.turck...@gmail.com> >> wrote: >> >>> Kaushik, >>> >>> You could use get_face_connectivity_of_cells() >>> <https://dealii.org/current/doxygen/deal.II/namespaceGridTools.html#a002fd376a184234ccbf5eca8f8fd7012> >>> or get_vertex_connectivity_of_cells() >>> <https://dealii.org/current/doxygen/deal.II/namespaceGridTools.html#ab54e2fb68484ddaedaab56de13323169> >>> (depending on what you mean by connected) to have a sparsity pattern. This >>> maps to a graph where the nodes are the cells, now you just need to check >>> if the graph is connected see here >>> <https://en.wikipedia.org/wiki/Connectivity_(graph_theory)#Computational_aspects> >>> >>> Best, >>> >>> Bruno >>> On Monday, July 10, 2023 at 10:33:21 AM UTC-4 k.d...@gmail.com wrote: >>> >>>> Hi all, >>>> Is there any way to find or count number of unconnected regions in a >>>> triangulation. Triangulation will have non zero refinement levels. >>>> Thanks, >>>> Kaushik >>>> >>> -- >>> 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 a topic in the >>> Google Groups "deal.II User Group" group. >>> To unsubscribe from this topic, visit >>> https://groups.google.com/d/topic/dealii/gQH57TWRGP0/unsubscribe. >>> To unsubscribe from this group and all its topics, send an email to >>> dealii+unsubscr...@googlegroups.com. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/dealii/c77b5d42-9228-497a-ab2b-2ac25dc06fb7n%40googlegroups.com >>> <https://groups.google.com/d/msgid/dealii/c77b5d42-9228-497a-ab2b-2ac25dc06fb7n%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- >> 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 dealii+unsubscr...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/dealii/CAC-fs6vmote0mqgCu7d60EjRrsAHpRPw-kSXeJJRtaFXg%2BXDtw%40mail.gmail.com >> <https://groups.google.com/d/msgid/dealii/CAC-fs6vmote0mqgCu7d60EjRrsAHpRPw-kSXeJJRtaFXg%2BXDtw%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> > -- > 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 a topic in the > Google Groups "deal.II User Group" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/dealii/gQH57TWRGP0/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > dealii+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/dealii/CAOYDWbKH7hTA9PhQ8kE%2Bx8eUONPLjqGMCipEnWF9UYpKbLvX1g%40mail.gmail.com > <https://groups.google.com/d/msgid/dealii/CAOYDWbKH7hTA9PhQ8kE%2Bx8eUONPLjqGMCipEnWF9UYpKbLvX1g%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- 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 dealii+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/dealii/CAC-fs6t3jSRmm7PmTN_21rpRP%3DUazcT1p1nk28KGojBt-Q8jqg%40mail.gmail.com.
