automap                 Automatically create 2D and 3D maps using USGS
                        and ESRI map data
deg_to_rad              Convert decimal degrees to radians
get_centroid            Find central point for list of lat/long
                        coordinates
get_centroid_bounding_box
                        Get bounding box for set of coordinate points
get_coord_bounding_box
                        Get bounding box for set of coordinate points
get_heightmap           Retrieve height map from USGS national map API
get_image_overlay       Get an ESRI image overlay for a rayshader map
load_heightmap          Load an elevation map from file
load_overlay            Import PNG textures for overlays
rad_to_deg              Convert radians to degrees
