Polar Co-ordinates in a Co-ordinate Plane
General syntax
<symbol> = POINT/ RTHETAR
<symbol> = POINT/ THETAR,
P4=POINT/RTHETA,XYPLAN,109,43
P4=POINT/THETAR,XYPLAN,43, 109
The radius must not be a negative value.
The modifiers XYPLAN etc. specify the plane in which the point is lying.