> Nicolas Alvarez <nic### [at] gmailisthebestcom> wrote:
>> I usually do this for photons:
>>  #if (file_exists("cups-wip2.phm"))
>>  load_file "cups-wip2.phm"
>>  #else
>>  save_file "cups-wip2.phm"
>> To re-generate, I delete the file :)
> 
> but if you want to play with radiosity for a bit and not use photon mapping, you
> shouldn't need to delete it just for that. :)

Ah but that's what the CAUSTICS or PHOTONS variable is for :) What I 
mean is a replacement for CAUSTICSgather.

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