Date: Nov 26, 2013 10:27 PM
Author: Derek Goring
Subject: Re: Vector Coding

On Wednesday, November 27, 2013 2:24:09 PM UTC+13, Douglas  wrote:
>
> It appears the deformity occurs when the atan2 data approaches 180 degrees.


No need to send me the data, I understand what you're getting at now. It's nothing to do with an asymptote, it's simply a jump of 360 degrees. That is usually fixed with:
gamma=unwrap(gamma);