automap	automap
deg_to_rad	deg_to_rad
extract_coords	extract_coords
get_centroid	get_centroid
get_centroid_bounding_box	get_centroid_bounding_box
get_coord_bounding_box	get_coord_bounding_box
get_heightmap	get_heightmap
get_image_overlay	get_image_overlay
get_texture	get_texture
load_heightmap	load_heightmap
load_overlay	load_overlay
rad_to_deg	rad_to_deg
