On 24/09/15 21:43, Véronique et Christophe Geuzaine wrote: > >> On 24 Sep 2015, at 15:52, Torquil Macdonald Sørensen >> <[email protected] <mailto:[email protected]>> wrote: >> >> Hi! >> >> I have a MSH file for a mesh of one quadrangle and four associated >> scalar field node values. Looking at the GMSH visualization, it uses two >> triangles to define the function shape inside the quadrangle, and it >> seems to use P1 shape functions within each triangle. >> >> Is it possible to have GMSH not use any triangles for the visualization, >> but instead assume that the scalar field should be represented with Q1 >> shape functions inside the quadrangle? >> > > Yes: select "Adapt visualization grid" in the options of the view. > (Set the target error to a negative number to force subdivisions all > the way to the maximum recursion level.)
Thanks! This is much easier than for me to interpolate my FEM solutions onto a finer mesh before visualization. It even looks as if the GMSH recursive adaptation procedure converges towards something that looks like Q1 shape functions... Best regards and thanks, Torquil Macdonald Sørensen
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