[Gmsh] plotting issues

[Danny Lathouwers - TNW]

Dear gmsh users,
 
I am wondering if it is possible to make plots without the axes beinbg
shown on exporting. I can get rid of the x,y,z text by deselcting that
but you still get the axes themselves. Is this a possibility (I'd like
my plots as clean as possible for a paper).
 
Further, I have wondered for a while on how to make surface plots of 2D
data (e.g. on trianglular elements) with the value of the field used as
z-value and colored accordingly (so plots such as  the matlab logo). I
included some mesh and data to merge as an example how I usually make my
plots. Can anyone give me a hint on how to achieve such plots?
 
Thanks,
Danny.
 
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