Am 25.06.2015 um 09:14 schrieb Thomas de Groot:
> On 24-6-2015 20:01, clipka wrote:
>> Am 24.06.2015 um 16:08 schrieb Thomas de Groot:
>>
>>> That said, and in keeping with off off-topic, I have trouble with an
>>> emission sphere replacing a Sun light_source in a scene. Whatever the
>>> emission value, the scene remains fairly dark and no shadows seem to be
>>> cast. Using UberPOV. What about this, Christoph?
>>
>> Using an emissive sphere instead of a light_source for the sun - while
>> being proper PBR - is not a good idea performance-wise: The sun is quite
>> small in the sky, and most rays will miss it. I suspect that's the
>> underlying cause for your problem.
>
> I suspected something like this. I shall experiment with alternative
> settings as you suggest. However, it probably will be more efficient to
> render the Sun with an area_light.

Yup. Quite legit for a far-away light source, if I'm asked.

That was one of the things that seriously bothered me about MCPov: It 
didn't do classic light sources /at all/.

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