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
, optionalIf set, use only the first
ncaps
caps inpolygon
.- Returns
ndarray
A boolean vector giving the result for each point.