On 10-1-2014 9:59, Ive wrote:
> Am 10.01.2014 09:21, schrieb Thomas de Groot:
>> The bright dots are still a problem indeed. They are also present in
>> Christoph's image. I wonder if this is not light leaking along mesh
>> edges....
>>
> It is light leaking and it gets even worse when using higher quality
> (i.e. lower error_bound) settings. I guess the only solution is to
> remodel the room and give the walls and the ceiling some real thickness,
> thats what I did. As with CSG where it is a good idea to let walls and
> ceiling overlap.

You confirm my own guess. I am going to process the walls and pillars 
objects in Silo.

>
>
>> presently, radiosity settings are:
>>
>>    radiosity {
>>        pretrace_start   0.08
>>        pretrace_end     0.004
>>        count            500, 1000
>>        nearest_count    10, 5
>>        error_bound      1
>>        recursion_limit  4
>>        low_error_factor 0.3
>>        gray_threshold   0.0
>>        minimum_reuse    0.015
>>        maximum_reuse    0.1
>>        brightness       1
>>        adc_bailout      1/100000
>>        normal           on
>>        media            off
>>        always_sample    off
>>        //max_sample     1.0
>>    }
>>
>
> When you add no_radiosity to all window/door glasses you'll get away
> with 2 recursions and faster render speed - without any visual impact.

Good idea. I didn't think of that possibility.

> And I'm not sure about this low adc_bailout within the radiosity block,
> if such low value is needed shouldn't it go into the global settings
> block itself - to keep the photons visible?
> Maybe Christoph can shed some light on this.

I put in that low adc_bailout in preparation to the photons/caustics 
generation, as Christoph suggested earlier in this thread. I am a newbie 
as far as this is concerned.

Thomas

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