half_space_from_points

rubin_sim.utils.half_space_from_points(pt1, pt2, pt3)

Return a Half Space defined by two points on a Great Circle and a third point contained in the Half Space.

Parameters:

pt1, pt2 – two tuples containing (RA, Dec) in degrees of

the points on the Great Circle defining the Half Space

pt3 – a tuple containing (RA, Dec) in degrees of a point

contained in the Half Space

Returns:

A Half Space