Images "warped" and "unwarped" with functions.

Also see my other posts to this group 20. May:
"Using functions to distort images"
http://news.povray.org/povray.binaries.images/thread/%3C446f8654%40news.povray.org%3E/
http://tinyurl.com/zpyk6

Here's a link to the original Half Crown coin image:
http://www.j-sainsbury.co.uk/museum/KS2sprsht.htm
http://www.j-sainsbury.co.uk/museum/media/coinsheet.jpg

-- 
Tor Olav
http://subcube.com

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