Le 13.10.2007 01:49, philrymek nous fit lire :
> The box, the camera, the light source are all centered around 0.0.
> 
> Is the opposite of 0, 0? Or is it undefined?

I can see your box, despite the wrong direction (so it's reflected).
I just reduce the reflection from 10 to 1.

Image of 800x600 is nearly black, with a small 30x30 pixels zone at
the center for the reflection of the checker.

Raising reflection to 3 give a vertical conical red (hyperboloid
like) addition, which get more strength with more reflection.

translating the box at <0,0,-1> is more interesting but its better
with a far higher max_trace_level (15 is limited, 256 is better) but
a reflection of 0.9 (at least damping the rays) avoid long render time.
(you can also play with the 0.9 factor to use a 0.99 if ready for
that...)



-- 
The superior man understands what is right;
the inferior man understands what will sell.
-- Confucius

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