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On 09/01/2016 12:43 PM, clipka wrote:
> Am 01.09.2016 um 18:28 schrieb William F Pokorny:
>
>> In summary:
>>
>> With radiosity on, there are smallish radiosity differences between
>> 3.7.0-stable and any 3.7.1 version on or after commit c891131. At the
>> moment I think these are ignorable as the cost of that fix.
>
> Hm... they might be due to the fix affecting the positions of the
> radiosity samples gathered during pretrace. But I'm not entirely
> satisfied about this yet.
>
I am not myself sure it explains all of what I see with radiosity, but I
believe that commit at least a partly the cause.
>> With radiosity off, finish statements with brilliance>1.0 are
>> different/dimmer in 3.7.1 versions other than your latest
>> 3.7.1-alpha.8738139 (refactor/texture). This change in behavior happened
>> with commit 54b283a as the commit prior (9b10411) matches 3.7.0-stable.
>> The scene file elsewhere attached to this thread can be used to
>> reproduce this result - though note you'll have to set the version to
>> 3.7 as both commits came before the change to 3.7.1.
>
> If that is so, then the conclusion I'd draw is that I probably messed up
> something in 54b283a when introducing the advanced finish features, and
> fixed it during texture refactoring without realizing and/or remembering it.
>
FYI. I've done some additional spot checking of cases where results were
changing. With these, I turned off radiosity and edited materials so
brillance was never more than 1.0. At least in the handful checked this
way, 3.7.0 -> 3.7.1 -> refactor/texture results compare well.
Bill P.
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