Here is the same problem as with the candles posted earlier. It's
too transparent. The problem is that with realistic extinction
a bright light source is required. A diffuse parameter
for media would solve this but it would be a hack. Because of
the lack of diffuse control using these dense media objects
in a radiosity scene with normal objects is problematic but I'm
sure sure someone will pull it off with a combination of no_shadow,
no_image, double_illuminate and what not :)

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Kari Kivisalo

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