I have been working on a new transparence patch, eventually it will 
allow transparency to be controlled independantly of the pigment 
color(which will make use of transparent image_maps easier), but 
currently, only blurring is implemented. I have added two blur 
algorithms, one is based on the one used in the blurred reflection 
patch, which shoots a number of randomly jittered rays and averages 
their results, and a new one which attempts to solve the graininess 
problem of the original but is less accurate and has other aliasing 
problems. Basically, it shoots evenly spaced rays in two planes parallel 
to and intersecting along the ray, and perpendicular to each other.
I plan to update the blurred reflection patch as well...my blurring code 
is at a deeper level, so the same code can be used for both reflection 
and transparence.

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

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