On 8-10-2013 17:46, MichaelJF wrote:
> Hi Thomas,
>
> no, there is no crand in the texture. Janc had forgotten to post the link to the
> other discussion here:
>
>
http://news.povray.org/povray.animations/thread/%3Cweb.52531de35b3e3e64ef0c5fed0%40news.povray.org%3E/
>
> Janc's observations are right completely. But the texture /* is */ rotated, what
> we see here is another phenomenon. It's more a matter of scale and the pixel
> level. I will create a little animation with Janc's texture to illustrate this
> issue within the next hours.
>

That explains it. I read the newsgroup version and have not switched on 
povray.animations as I am not involved in such actively.

Thomas

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