convert_spherical_array¶
- lsst.pipe.tasks.associationUtils.convert_spherical_array(array)¶
Convert from and a array ra,dec to spherical coordinates.
Used in query_disc
- Parameters:
- array
numpy.ndarray
, (N, 2) (N, 2) Array of RA, DEC values.
- array
- Returns:
- vecs
numpy.ndarray
, (N, 3) Vectors on the unit sphere
- vecs