is_in_cap

pydl.pydlutils.mangle.is_in_cap(x, cm, points)[source]

Are the points in a (single) given cap?

Parameters
xndarray or recarray

X value of the cap (3-vector).

cmndarray or recarray

CM value of the cap.

pointsndarray or recarray

If points is a 3-vector, or set of 3-vectors, then assume the point is a Cartesian unit vector. If point is a 2-vector or set of 2-vectors, assume the point is RA, Dec.

Returns
ndarray

A boolean vector giving the result for each point.