Purpose

With no arguments, show the current physical position angle of
the LRIS rotator. With one numeric argument, put the
instrument rotator into physical position angle mode at the
given position angle

Usage

rotpposn [angle]

Arguments

angle = physical rotator position angle to set [deg]

Output

To stdout

Restrictions

If angle is not within the legal range of -239<x<189, it is
changed to be within this range by adding or subtracting 360.

Exit values

0 = normal completion
1 = wrong number of arguments

Example

1) Show the current rotator physical position angle

rotpposn

2) Set the rotator to physical position of 1.2345 deg

rotpposn 1.2345