AM_ROT_CENTERLINE modifies existing center lines by rotating them to a given point.
+---------------<----------------+
| |
| |
---->(AM_ROT_CENTERLINE)---+---|center line|---|position|---+----->
This command has no options. Simply indicate a center line and then a point for
it to rotate to.
Use this action to rotate to a point existing center lines.
AM_CREATE_CENTERLINE terminate action,
AM_EXT_CENTERLINE terminate action,
AM_ROT_CENTERLINE_BY_ANGLE terminate action