gfx define tessellation default minimum_divisions "1" refinement_factors "16" circle_divisions 12;
gfx define tessellation default_points minimum_divisions "1" refinement_factors "1" circle_divisions 12;

gfx create material pleural_blue normal_mode ambient 0 0.75 1 diffuse 0 0.65 1 emission 0 0 0 specular 0.3 0.3 0.3 alpha 1 shininess 1;
gfx create material pleural_mauve normal_mode ambient 0.8 0.7 1 diffuse 0.8 0.7 1 emission 0 0 0 specular 0.3 0.3 0.3 alpha 1 shininess 1;
gfx create material pleural_orange normal_mode ambient 1 0.6 0.4 diffuse 1 0.6 0.3 emission 0 0 0 specular 0.3 0.3 0.3 alpha 1 shininess 1;
gfx create material pleural_pink normal_mode ambient 1 0.53 0.57 diffuse 1 0.53 0.57 emission 0 0 0 specular 0.3 0.3 0.3 alpha 1 shininess 1;

gfx read elem "mesh.exf";

# define a truth function for faces on the inside of groups
gfx define field is_exterior is_exterior
gfx define field is_right_fissure or fields "horizontal fissure of right lung" "oblique fissure of right lung"
gfx define field outside_right or fields is_exterior is_right_fissure
gfx define field inside_right not field outside_right

gfx define field is_left_fissure composite "oblique fissure of left lung"
gfx define field outside_left or fields is_exterior is_left_fissure
gfx define field inside_left not field outside_left

gfx define field marker_coordinates embedded element_xi marker_location field coordinates

# modify the groups to remove the inside faces (will also remove lines)
gfx modify egroup "lower lobe of right lung" remove faces conditional inside_right
gfx modify egroup "middle lobe of right lung" remove faces conditional inside_right
gfx modify egroup "upper lobe of right lung" remove faces conditional inside_right

gfx modify egroup "lower lobe of left lung" remove faces conditional inside_left
gfx modify egroup "upper lobe of left lung" remove faces conditional inside_left

gfx modify g_element "/" general clear;
gfx modify g_element "/" lines domain_mesh1d subgroup "left lung" coordinate coordinates face all tessellation default LOCAL line line_base_size 0 select_on material grey75 selected_material default_selected render_shaded;
gfx modify g_element "/" lines domain_mesh1d subgroup "right lung" coordinate coordinates face all tessellation default LOCAL line line_base_size 0 select_on material grey75 selected_material default_selected render_shaded;
gfx modify g_element "/" surfaces domain_mesh2d subgroup "lower lobe of left lung" coordinate coordinates face all tessellation default LOCAL select_on material pleural_pink selected_material default_selected render_shaded;
gfx modify g_element "/" surfaces domain_mesh2d subgroup "upper lobe of left lung" coordinate coordinates face all tessellation default LOCAL select_on material pleural_blue selected_material default_selected render_shaded;
gfx modify g_element "/" surfaces domain_mesh2d subgroup "lower lobe of right lung" coordinate coordinates face all tessellation default LOCAL select_on material pleural_pink selected_material default_selected render_shaded;
gfx modify g_element "/" surfaces domain_mesh2d subgroup "middle lobe of right lung" coordinate coordinates face all tessellation default LOCAL select_on material pleural_mauve selected_material default_selected render_shaded;
gfx modify g_element "/" surfaces domain_mesh2d subgroup "upper lobe of right lung" coordinate coordinates face all tessellation default LOCAL select_on material pleural_blue selected_material default_selected render_shaded;
gfx modify g_element "/" points domain_nodes subgroup marker coordinate marker_coordinates tessellation default_points LOCAL glyph sphere size "4*4*4" offset 0,0,0 font default label marker_name label_offset 0,0,0 label_text "  " select_on material grey50 selected_material red render_shaded;

gfx create window 1 double_buffer;
gfx modify window 1 image scene "/" filter default infinite_viewer_lighting two_sided_lighting;
gfx modify window 1 image add_light default;
gfx modify window 1 image add_light default_ambient;
gfx modify window 1 layout simple ortho_axes z -y eye_spacing 0.25 width 799 height 1060;
gfx modify window 1 set current_pane 1;
gfx modify window 1 background colour 0 0 0 texture none;
gfx modify window 1 view perspective eye_point 66.2183 -710.234 119.76 interest_point 156.127 153.998 -188.118 up_vector 0.0827223 0.326788 0.94147 view_angle 40 near_clipping_plane 46.0914 far_clipping_plane 1870.82 relative_viewport ndc_placement -1 1 2 2 viewport_coordinates 0 0 1 1;
gfx modify window 1 set transform_tool current_pane 1 std_view_angle 40 perturb_lines no_antialias depth_of_field 0.0 fast_transparency blend_normal;