Hmm... THAT sounds interesting and promising, Jan. I looked into the POV 
help file, and see the keywords "image_width" and "image_height". And also 
some examples, how to use them. I really think, this could shorten the 
calculation time, if I can find out, how to use them properly in connection 
with my photon map creation.

Jan, can you give me some more advice in this? If you like, I could post the 
scene file to you. Please let me know. Thanks,

Sven





"Jan Dvorak" <jan### [at] centrumcz> schrieb im Newsbeitrag 
news:479c31b4$1@news.povray.org...
> try using image_width to choose the photon count/spacing
> Sven Littkowski napsal(a):
>> Hi Ben,
>>
>> but even so, based on what I heard already, meanwhile, the photon map 
>> would still take 6 days, right?
>>
>> Sven
>>
>>
>>
>> "Chambers" <ben### [at] pacificwebguycom> schrieb im Newsbeitrag 
>> news:479bdf30$1@news.povray.org...
>>> Sven Littkowski wrote:
>>>> Hi.
>>>>
>>>> I have a scene, which already takes around 6 days to create the photon 
>>>> map for, if it is done in the same resolution like the remaining scene.
>>>>
>>>> I would like to know, if it is possible to use a lower resolution 
>>>> (let's say: 400x300) for the photon map (with the "save_file" option 
>>>> enabled), and then to stop and continue the scene in a high resolution 
>>>> (now with the "load_file" option enabled).
>>> Sure, I do it myself.  However, since the photon map is independent from 
>>> the scene resolution, you can set the image size absurdly low (like +w1 
>>> +h1) and still get a full-quality photon map.
>>>
>>> -- 
>>> ...Ben Chambers
>>> www.pacificwebguy.com
>>

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