> Sereib wrote:
>
>> In my special scene, using light-groups is not an option. The scene (a
>> collection of interconnected neurons) consists on one single blob object
>> containing millions of spheres, no chance to split this
>
> You could of course split the finished object by suitable intersection
> with boxes. However, using lightgroups, it will be difficult to achieve
> smooth lighting at the seams.

For smooth seams, you'll need to replicate at least part of the lights 
from the first neibouring groups in any given group. It could probably 
be acheived using an area_light to replace several sources from a single 
piece.

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