global_settings{
   photons{
     count image_width*image_height
     ...
   }
   ...
}

untested
Sven Littkowski napsal(a):
> Shooting the image with those keywords... Hmm, do you mean that I need to 
> put these two keywords inside the camera directive? To be honest, due the 
> lack of experience and knowledge with these two keywords, i would just like 
> to ask you to give an example where and how to use these two keywords in a 
> scene. I think, that should help me.
> 
> Thanks, Jan.
> 
> Sven
> 
> 
> 
> "Jan Dvorak" <jan### [at] centrumcz> schrieb im Newsbeitrag 
> news:479cff7f@news.povray.org...
>> 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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