I've got a scene with radiosity, when I render it with focal blur
it's *much* brighter than without. So what's happening?

The radiosity settings were taken from Nathan's web page:
  ini_option "+QR"
  ini_option "Preview_Start_Size=16"
  ini_option "Preview_End_Size=8"

  radiosity{
    count 35             // CHANGE range from 20 to 150
    nearest_count 5      // CHANGE range from 3 to 10
    error_bound 2.25     // CHANGE - range from 1 to 3 - should correspond with
Preview_End_Size
                         //   1 : preview_end_size = 4
                         //   3 : preview_end_size = 8
                         //   use preview_start_size = 16
                         // you can go lower than 1, but then you probably will want
to set
                         // preview_end_size to 2, which is really slow
    recursion_limit 3    // CHANGE
  
    low_error_factor .5  // leave this
    gray_threshold 0.0   // leave this
    minimum_reuse 0.015  // leave this
    brightness 1         // leave this
  
    max_sample 2         // CHANGE - this should be the same as the brightest object
    adc_bailout 0.01/2   // CHANGE - use adc_bailout = 0.01 / brightest_ambient_object
  }

And the focal blur settings are simply:
  aperture 0.05
  focal_point <0.0, 0.3, 0.0> 
  blur_samples 40

		Jerome

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