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
ndarrayorrecarray If
pointsis a 3-vector, or set of 3-vectors, then assume the point is a Cartesian unit vector. Ifpointis a 2-vector or set of 2-vectors, assume the point is RA, Dec.- ncaps
int, optional If set, use only the first
ncapscaps inpolygon.
- polygon
- Returns:
ndarrayA boolean vector giving the result for each point.