[Dune] How to change vertex numbering order?

[Jö Fahlke]

Am Fr, 16. Aug 2019, 13:43:40 +1000 schrieb Ranjeet Singh:
> Is there any way to change the vertex numbering to cyclic order?

[I'm assuming you're talking about quadrilateral elements here]

No, the numbering of vertices within an element follows a fixed convention,
see
https://dune-project.org/doxygen/master/group__GeometryReferenceElements.html.
The reason is that there is a dimension-independent way to construct that
numbering, which is difficult to do with cyclic numbering.

What do you need a specific numbering for?  If it is for interfacing with a
library that follows a different numbering convention, the way to go is
usually to write a small function to transform between the numberings for your
specific case.

Regards,
Jö.


-- 
Jorrit (Jö) Fahlke, Institute for Computational und Applied Mathematics,
University of Münster, Orleans-Ring 10, D-48149 Münster
Tel: +49 251 83 35146 Fax: +49 251 83 32729

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