>>current radiosity parameters:
>>
>>#include "rad_def.inc"
>>global_settings {
>>    radiosity {
>>        Rad_Settings( Radiosity_Normal, off, off)
>>        recursion_limit 5
>>        brightness 2.0
>>    }
>>}
>>
> Try lowering error_bound from it's default value of 1.8. Do it by 0.1 or less
decreases. In some cases, a small increase may give 
> some improvement. Also, increasing the count may help, default = 35.
> Setting pretrace_end to 0.02 or 0.01 or less can aleviate some artifacts in some
cases (default = 0.04)

Thanks, but the definitions in rad_def.inc include all this
(and they are very good, as I really like the rest of the room...):

    #case (Radiosity_Normal)
      pretrace_start 0.08
      pretrace_end   0.01
      count 200
      nearest_count 7
      error_bound 0.3
      recursion_limit 1
      low_error_factor 0.75
      gray_threshold 0
      minimum_reuse 0.017
      brightness 1.0
      adc_bailout 0.01/2
    #debug "\nRadiosity_Normal in use\n"
    #break

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