In contrast to the

Additional arguments:

?unit:Polar.polarunit

?plane:Polar.polarplane

The

type polarunit = Rad | (* angles in radians : 0..2pi *) Deg | (* angles in degree : 0..360 degrees*) Grad

and the

type polarplane = Full | (* draw only the half plane 0..pi/0..180 deg *) Half

A logarithm scaled x axis is of course not supported, but a logarithm scaled y can be set with the