In article <3d4c4043$1@news.povray.org>,
 "Anders K." <and### [at] prostard2gcom> wrote:

> ingo wrote:
> > 2. dof_pattern.
> 
> Isn't this impossible because it would require nonstraight rays to be
> traced?

No. It would only need to vary the blurring parameters based on current 
pixel.
Better idea: use a function. Functions are better designed for this kind 
of thing, and you could still use patterns. Another thing that would be 
useful: letting finish parameters be controlled with functions. This 
would allow anything in the finish to be mapped with images, patterns, 
or whatever the user wants. With functions that can handle vector math 
and the right hooks into materials, you would essentially have shaders.

-- 
Christopher James Huff <chr### [at] maccom>
POV-Ray TAG e-mail: chr### [at] tagpovrayorg
TAG web site: http://tag.povray.org/

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