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