On 4/7/2011 2:35 PM, Alain wrote:

>> Hi,
>>
>> I thought I'd also put 3.7's radiosity to the test, as well as the new
>> area_illumination feature. The radiosity is working wonderfully, but
>> the area
>> illuminating area_lights... not so good. Despite the fact that I threw
>> 32x32
>> samples at it along with with adaptive sampling set at 2, artifacts still
>> appear. Maybe I should raise the adaptation value... (...) Looking at
>> the docs,
>> I most certainly should raise it.
>>
>> Anyway, this method is really going to come in handy!
>>
>> ~Sam
>
> Interesting.
>
> You have some dificult spots with your area_light.
> You can try to reduce the dimention a little.
> You can try 33x33, 65x65 or even 129x129. Those values match beter with
> the adaptive algorythm than 32x32.

Ah, that's good to know.

> Try adaptive 3 or maybe 4.
> I don't know if your light is circular, but there are some case where it
> can make a difference.

It's not...

> The artefacts I see don't seems related to area_illumination.

You're probably right.

All-in-all, the area_illumination feature is great :)

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