angles_to_x¶

pydl.pydlutils.mangle.angles_to_x(points, latitude=False)[source]¶

Convert spherical angles to unit Cartesian vectors.

Parameters:

pointsndarray: A set of angles in the form phi, theta (in degrees).
latitudebool, optional: If True, assume that the angles actually represent longitude, latitude, or equivalently, RA, Dec.

Returns:

ndarray: The corresponding Cartesian vectors.