Spherical Coordinate of a point.
Azimuth = 0 is North, Azimuth = PI/2 is East.
Altitude = 0 is the horizon, Altitude = PI/2 is upwards / Zenith.
Spherical Coordinate of a point.
Azimuth = 0 is North, Azimuth = PI/2 is East.
Altitude = 0 is the horizon, Altitude = PI/2 is upwards / Zenith.