lines 1, 1, 1, 1 zs.dll, read_gshhs zs.dll, sphere_projection 100.5, 100.5, 100.5 lines .5, .5, .5, 1 zs.dll, make_sphere_grid 100.5, 100.5, 100.5 quads 0, 0, 1, 1 zs.dll, make_sphere_vertex 100, 100, 100 zs.dll, make_sphere_vertex node