In article <3d8dd453@news.povray.org>,
 "Thorsten Froehlich" <tho### [at] trfde> wrote:

> Not really.  You can already do every post-process effect in POV-Ray right
> now.  It is just not always easy.

Well, every current post-process effect, not every possible one. You can 
get position, normal, and of course color. You can approximate depth and 
ray direction, though they depend on the camera used. Precision is lost 
because everything has to be written to fixed point files with a max of 
16 bits per component, enough for most things but a potential filter 
killer. You also have to render the scene multiple times.
Also, some things would be rediculously slow, especially if the 
algorithm is too complex to do in pure functions and has to be done in 
scene description language.

And anyway, I was talking about the advantages of doing it in POV, 
either through functions and other tricks or a post-process feature, 
over an external program.

-- 
Christopher James Huff <cja### [at] earthlinknet>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: chr### [at] tagpovrayorg
http://tag.povray.org/

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