The attached file is my attempt to solve the problem that Dick Balaska presented
here:
From: dick balaska
Subject: Vector to Angle
Date: 29 May 2017 19:42:25
http://news.povray.org/povray.advanced-users/thread/%3C592c79a1%241%40news.povray.org%3E/
--
Tor Olav
http://subcube.com