pyguymer3.geo.buffer()
pyguymer3.geo.fillin()
pyguymer3.geo.find_middle_of_locs()
pyguymer3.geo.great_circle()
pyguymer3.geo.add_map_underlay()
pyguymer3.image.save_array_as_image()
intersection()
This function finds the intersection of two line segments (defined by four points).