is_in_polygon

pydl.pydlutils.mangle.is_in_polygon(polygon, points, ncaps=0)[source]

Are the points in a given (single) polygon?

Parameters:

polygon : ManglePolygon

A polygon object.

points : ndarray 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.

ncaps : int, optional

If set, use only the first ncaps caps in polygon.
Returns:

ndarray

A boolean vector giving the result for each point.