Le 2013-03-08 21:40, clipka a écrit :
> Am 08.03.2013 23:40, schrieb Alain:
>> Out of curiosity, I made a scene to show the array of elementary lights
>> in an area_light and found something that I find surprising:
>> The outermost elements seem to be about half as bright as the rest, and
>> the corner ones dimer still at maybe 1 fourth intensity.
>>
>> I'm wondering if it's intentional or some oversight.
>>
>> Here my test scene:
>
> Apparently it isn't:
>
> "line 13: Parse Error: Camera location and look_at point must be
> different."
>
> Also the up & right camera parameters look peculiar in that they're
> scalars rather than vectors.
>

Chould be:
look_at 2*z up (W/2+1.2)*y right (W/2+1.2)*x

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