fieldAngleToVector¶
-
lsst.cbp.coordUtils.
fieldAngleToVector
(xyrad, flipX)¶ Convert a pupil field angle to a pupil unit vector.
Parameters: - xyrad :
tuple
of 2float
x,y pupil field angle (radians).
Returns: - vector :
numpy.array
of 3float
A unit vector in the pupil frame.
- xyrad :