Same render settings, except the screen is not made of emitting media; 
it is just an ambient plane. A lower error_bound would have fixed a few 
ugly spots, but the render was already 2/3 finished before I spotted the 
errors :( This one rendered in 2h:30m:07s.

I'm thinking MCPov would be better suited for this type of scene. Or 
maybe an area_illuminating lamp residing at the screen position.

Sam

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> Samuel Benge wrote:
>> I was running some tests yesterday, with OK results, but the render
>> time was way
>> too high. I'll post the results after this message.
>
> render options:
> +a0.003 +am2 +r3
>
> radiosity{
> count 1600 error_bound .2
> pretrace_start .08
> pretrace_end .02
> nearest_count 1
> recursion_limit 2
> normal on
> media on
> brightness 3
> gray_threshold 0
> adc_bailout 1/256
> }
>
> walls:
> normal{bumps .5 scale .001}
>
> This 960x540 image rendered in 2h:37m:49s.
>
> Too long, IMO.

Your parameters are very high and you may not need that level.
I'd try:
+a0.03 +am2 +r3

count 500



Alain

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Samuel Benge wrote:
> Tim Cook <z99### [at] gmailcom> wrote:
>> render time 0:13:50
> 
> That's terrible! Not the render time, of course, but the quality. Good AA
> settings can eliminate most of that static.

Oh, I'm sure there's a sweet spot somewhere.  This was just what I think 
are the minimum settings to be fast and not have the blotchiness of what 
the settings would give on a flat surface.  (At the expense of grainyness.)

--
Tim Cook
http://empyrean.freesitespace.net

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