"Hamed Ahmadi" <h.a### [at] hotmailcom> wrote in message 
news:web.472766c1f915cc94f104cee20@news.povray.org...
> Hello
>
> Please help me to find some details about Cylindrical projection.
>
> Thanks.
>

Hi Hamed,

There's a 'cylinder' camera type that you can find in the POV-Ray help file 
by searching for 'cylindrical projection' in the index. There are a few 
types of projection described there and the 'panoramic' camera type also 
gives a form of cylindrical projection.

Also it's possible to project an image (or any other pigment) onto a 
cylinder (or indeed onto any other object) using a cylindrical warp. Look 
for 'cylindrical warp' in the help where there's an example of using the 
cylindrical warp to project a hexagonal pigment onto a cylinder.

Hope that helps. Otherwise, are you able to be a bit more precise about what 
you're trying to do?

Regards,
Chris B.

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