gfx create region heart; gfx read region heart.xml region heart; gfx define faces egroup heart; gfx create material heart ambient 0.3 0 0.3 diffuse 1 0 0 specular 0.5 0.5 0.5 shininess 0.5; gfx modify g_element heart general clear; gfx modify g_element heart lines coordinate heart_mesh.coordinates discretization "8*8*8" select_on material default selected_material default_selected; gfx modify g_element heart surfaces coordinate heart_mesh.coordinates exterior discretization "8*8*8" select_on material heart selected_material default_selected render_shaded; gfx modify g_element heart node_points coordinate heart_mesh.coordinates glyph sphere general size "1*1*1" centre 0,0,0 font default select_on material default selected_material default_selected; gfx create window 1; gfx modify window 1 set perturb_lines; gfx modify window 1 view parallel eye_point -111.714 -95.2063 247.979 interest_point 9.6189 6.19689 -5.07412 up_vector -0.909491 0.238502 -0.340504 view_angle 31.6892 near_clipping_plane 2.98396 far_clipping_plane 1066.37 relative_viewport ndc_placement -1 1 2 2 viewport_coordinates 0 0 1 1;