Am Do., 20. Aug. 2020 um 10:55 Uhr schrieb Arvydas Silanskas <xxxxxx@gmail.com>: > > > I can write the implementation for the final version. > Let me know if you want to implement it (otherwise I'll do it by adapting the make-random-complex-generator implementation you've sent previously) You can use this, of course. (One note: In that implementation, I forgot to add the origin Z. So "(+ z (make-polar r phi))" instead of "(make-polar r phi)". With John's generalization to sectors, the start and end angle will, of course, replace the fixed bounds 0.0 and fl-2pi in the generator for phi. Marc