magpie.coords.usphere_area

magpie.coords.usphere_area(phi_min, phi_max, theta_min, theta_max)

Returns the area for a ‘square’ segment of a unit sphere given in spherical coordinates phi, theta.

Parameters
phi_minfloat

Minimum latitudinal coordinate in radians (where phi lies [0, 2pi]).

phi_maxfloat

Maximum latitudinal coordinate in radians (where phi lies [0, 2pi]).

theta_minfloat

Minimum longitudinal coordinate in radians (where theta lies [0, pi]).

theta_maxfloat

Maximum longitudinal coordinate in radians (where theta lies [0, pi]).

Returns
Areafloat

Area in square radians.