gfx create region cube;
gfx read region "$example/Simple Mesh FieldML 0.5.xml" region cube;
gfx define faces egroup cube;
gfx modify g_element cube lines coordinate coordinates material black;
gfx create window 1
gfx modify window 1 background colour 1,1,1
gfx modify window 1 set perturb_lines
gfx modify window 1 image view_all
gfx modify g_element cube node_points coordinate coordinates material black label cmiss_number;
gfx modify g_element cube surfaces coordinate coordinates data pressure spectrum default;
gfx modify spectrum default linear reverse range 70000 120000 extend_above extend_below rainbow colour_range 0 1 component 1;
gfx modify window 1 view parallel eye_point -4.33981 -6.23904 -0.462283 interest_point 0.5 0.5 2 up_vector 0.0575775 -0.378838 0.92367 view_angle 40 near_clipping_plane 0.0865455 far_clipping_plane 30.9284 relative_viewport ndc_placement -1 1 2 2 viewport_coordinates 0 0 1 1;

gfx print window 1 file simple_fieldml_mesh.png