vectorToFieldAngle¶
- lsst.cbp.coordUtils.vectorToFieldAngle(vec, flipX)¶
Convert a vector to a pupil field angle.
- Parameters:
- vecsequence of 3
float
3-dimensional vector in the pupil frame; the magnitude is ignored, but must be large enough to compute an accurate unit vector.
- flipXbool
Set True if the x axis of the focal plane is flipped with respect to the pupil.
- vecsequence of 3
- Returns:
- fieldAngle
tuple
of 2float
x,y pupil field angle (radians).
- fieldAngle