rot_about_y#
- lsst.ts.mthexapod.rot_about_y(xyzpos, ang)#
Rotate a 3-d position about the y axis.
Positive rotation is from from z to x (the usual right-hand rule).
- Parameters:
xyzpos (
numpy.ndarray) – x, y, z position.ang (
float) – Angle in radians.
- Returns:
rotpos – Rotated x,y,z position.
- Return type:
numpy.ndarray