Computation times

00:02.719 total execution time for 6 files from projections/azim:

Example	Time	Mem (MB)
Perspective projection (azim_general_perspective.py)	00:01.488	0.0
Azimuthal equidistant projection (azim_equidistant.py)	00:00.356	0.0
Orthographic projection (azim_orthographic.py)	00:00.240	0.0
Gnomonic projection (azim_gnomonic.py)	00:00.233	0.0
Lambert azimuthal equal-area projection (azim_lambert.py)	00:00.214	0.0
General stereographic projection (azim_general_stereographic.py)	00:00.189	0.0