In article <39E62E83.2104786E@schunter.etc.tu-bs.de>, 
chr### [at] gmxde wrote:

> How about combining geometric and random techniques, that would help 
> adjusting graininess, but i'm not sure if that's easy to implement.  

I plan to add jittering to my patch eventually, it should be quite easy.


> I always thought a convolution matrix can only be applied to a 
> rastered pattern,

Why?


> at least you would have to specify some kind of scale factor for the 
> matrix IMO.

What? I don't know what you mean by "scale factor"...
My patch allowed you to specify the size of the matrix separate from the 
number of elements, is that what you meant?


> If i understand things right, it's worth trying adaptive calculations 
> (like used with antialiasing) when working with a larger matrix.

That is the other method I was talking about. :-)
Basically, sample along each axis, possibly with anti-aliasing and/or 
jitter.

-- 
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/

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