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
orrecarray
If
points
is a 3-vector, or set of 3-vectors, then assume the point is a Cartesian unit vector. Ifpoint
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 inpolygon
.
- polygon
- Returns:
ndarray
A boolean vector giving the result for each point.