rot_about_y¶

lsst.ts.hexapod.
rot_about_y
(xyzpos, ang)¶ Rotate a 3d position about the y axis.
Positive rotation is from from z to x (the usual righthand rule).
Parameters:  xyzpos :
numpy.ndarray
x, y, z position.
 ang :
float
Angle in radians.
Returns:  rotpos :
numpy.ndarray
Rotated x,y,z position.
 xyzpos :