nvector._core.great_circle_distance¶
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nvector._core.
great_circle_distance
(n_EA_E, n_EB_E, radius=6371009.0)[source][source]¶ Return great circle distance between positions A and B
Parameters: n_EA_E, n_EB_E: 3 x n array
n-vector(s) [no unit] of position A and B, decomposed in E.
- radius: real scalar
radius of sphere.
Formulae is given by equation (16) in Gade (2010) and is well conditioned for all angles.