balltree.coordinates

Functions

angular_to_cylinder(radec)	Convert angular coordinates in radian to cylindrical coordinates.
cylinder_to_angular(xy)	Convert cylindrical coordinates to angular coordinates in radian.
angular_to_euclidean(radec)	Convert angular coordinates in radian to Euclidean coordinates.
euclidean_to_angular(xyz)	Convert Euclidean coordinates to angular coordinates in radian.
angle_to_chorddist(angle)	Convert great circle distance (in radian) to chord distance.
chorddist_to_angle(chord)	Convert chord distance to great circle distance (in radian).