"s.day" <s.d### [at] uelacuk> schreef in bericht 
news:web.47d915fa72169bca7eb3d110@news.povray.org...
>
> Something to do with the radiosity settings:
>
>    pretrace_start 0.08
>    pretrace_end   0.01
>    count 500
>    nearest_count 20
>    error_bound 0.08
>    recursion_limit 4
>    low_error_factor .9
>    gray_threshold 0
>    minimum_reuse 0.015
>    brightness 0.8
>    adc_bailout 0.01/2
>    save_file "museum.rad"
>

Your combination count / error_bound might be faulty. You could try (for a 
first pass on a small image without aa):
error_bound 0.2
count 1000 (or 5000)
recursion_limit 3 (or 4)
pretrace_end 0.01 (or even lower)

and for a second pass go for:
error_bound 1
count 100
recursion_limit 1
pretrace_start 1
pretrace_end 1

It is mainly your very low error_bound that makes the render to take so long 
I believe and the count for that is far too low. From what I have learned in 
these ng's, you hardly ever need such extremely low error_bound values.

Thomas

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