[Radiance-general] (no subject)

[Santiago Torres]

Hello Greg,

Thank you for the explanation. I will try with different settings,  
but I feel better now. First I though I was using rtcontrib in a  
wrong way (now I realize I had tried with very low settings). Sorry  
for the confusion.
Best regards,

Santiago



On Nov 1, 2005, at 3:37 PM, Gregory J. Ward wrote:

> Hi Santiago,
>
> I am sending you the scripts in a separate message, as I don't  
> really want to share these with the whole mailing list.  My  
> intention is to replace them with something more general and robust  
> in the coming weeks, and I don't want to create a lot of confusion  
> beforehand.
>
> The noise you are seeing can be reduced with different parameter  
> settings or high resolution sampling, but it will never go away.   
> Rtcontrib, unlike rtrace and the other Radiance tools, produces an  
> unbiased Monte Carlo sampling, which shows variance (noise) which  
> is an honest estimate of the uncertainty at each pixel.  You can  
> try running it through a noise reduction filter if you find it  
> offensive, but we can't use the irradiance interpolation algorithm  
> with rtcontrib.
>
> -Greg
>
>
>> From: Santiago Torres <tiago at tkh.att.ne.jp>
>> Date: October 31, 2005 9:33:53 PM PST
>>
>> Hello Greg,
>>
>> Thank you for your reply. Unfortunately I`m short of time, so if  
>> possible I would like to see your scripts, thank you.
>> I`ve also uploaded a couple of (very noisy) images that I`m  
>> getting. Probably this is because I`m not using the right scripts,  
>> but just as an illustration.
>> The images are in:
>> http://home.att.ne.jp/banana/tiago/radiance/c_79.jpg    (example  
>> of one patch)
>> http://home.att.ne.jp/banana/tiago/radiance/output.jpg    (result  
>> combining all patches)
>> Regards,
>>
>> Santiago
>>
>>
>
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