On 13-1-2014 10:53, s.day wrote:
> "Robert McGregor" <rob### [at] mcgregorfineartcom> wrote:
>>
>> #include "walls_object.inc"
>> object {
>>     walls_ob
>>     photons { collect on }
>> }
>>
>
> I thought all objects defaulted to "collect on" anyway? Could this be where I
> have gone wrong with photons in the past?
>

I thought so too indeed. It looks like they do /not/ default to this. As 
far as I know, this is not mentioned in the docs.

Thomas

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