You might decide to shoot image_width*image_height*some_constant 
photons. Some_constant==1 might work well but feel free to increase for 
high quality or decrease for faster render. Use the count keyword and 
watch POV-ray do its best.
Sven Littkowski napsal(a):
> 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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