In article <3a363e46$1@news.povray.org>, "Chris S." <spe### [at] earlycom> 
wrote:

> I'm sure it's been discussed before but I can't find any recent posts...is
> there a way to block a glow, such as one behind  an object?

You could use the trace() function to check for any objects between the 
glow and camera. This won't work in all cases, though...semitransparent 
objects, for example.

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

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