In DIAdem report it's not possible to generate a polar plot that is a cloud of points.
The closest I get is using a 'line and points' style with the point being an 'X' characters, it would be nice if we could use the same markers as with the 2D graphs.
Ton
LabVIEW user groep 
Hello
Thank you for your request. We understand your suggestion but given the age of this entry and the fact that just a few sponsors are supporting it, we have decided to decline this suggestion and prefer to develop more frequently requested features instead. We hope you understand this.
Greetings
Walter