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On 1-5-2017 9:40, Thorsten Froehlich wrote:
> "Kenneth" <kdw### [at] gmailcom> wrote:
>> Alain <kua### [at] videotronca> wrote:
>>
>>>
>>> This is the correct and expected behaviour and did not change since
>>> light_group have been introduced.
>>>
>>
>> I'm having trouble understanding the logic of this; but maybe it will become
>> clearer to me, as I continue to think about it. ;-)
>
> You need to consider the purpose of light groups: They exist to allow additional
> local lights for objects, a technique that is frequently used in computer
> animations to help make certain objects appear lit "better" - after all, there
> is no physical equivalent of light groups in the real world.
>
> What you are looking for is something like "shadow groups", though I suppose you
> might want to rethink what you actually want to render.
>
>
As for me, that clarifies a lot indeed. Use a bit different than I
expected. I have used light_group is a somewhat different context with a
reddish sundown landscape and a 'midday' lighted moon. I think I got
some unwanted artefacts but I resolved them with no_shadow and
no_reflection.
--
Thomas
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