[Gmsh] Recombine Surface, -optimize_lloyd, & quadrilateral meshes

G. D. McBain gdmcbain at protonmail.com
Wed Dec 13 03:19:11 CET 2017

I find that passing -optimize_lloyd on the command-line stops a 'Recombine Surface' command in the .geo file from producing quadrilateral elements.  Is that expected?

A minimal example to quad-mesh a rectangle:

%<-- quad.geo
    Include "t1.geo";
    Recombine Surface{1};

Called with "gmsh -2", this produces quadrilaterals, but appending "-optimize_lloyd 1" gives triangles.
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