POV-Ray : Newsgroups : povray.newusers : Emitting media : Re: Emitting media Server Time
29 Apr 2024 06:53:08 EDT (-0400)
  Re: Emitting media  
From: Stephen
Date: 2 Sep 2017 02:42:18
Message: <59aa52ca$1@news.povray.org>
On 02/09/2017 05:31, omniverse wrote:
> Alain <kua### [at] videotronca> wrote:
>> Le 17-08-31 à 18:58, Loren a écrit :
>>>          media{ emission Red intervals 30 samples 100,100 }
>> Yuck! That WAS ok in version 3.5 and older that used sampling method 2
>> as the default. As of version 3.6, the sampling method is method 3 and
>> it must use intervals 1 (the default value).
>> Using method 3, more intervals only dramatically slow you down. It can
>> also cause some artefacts.
>> Also :
>> 1) It only use a single value for samples. If a second value is used,
>> it's silently ignored.
>> 2) confidance and variance are also silently ignored as they are
>> meaningless when you have only a single interval.
>>
>> Defaults for media in version 3.6+
>> method 3
>> samples 10
>> confidance Not Applicable
>> variance N/A
>> intervals 1
>> jitter 1
>>
>> Alain
> 
> Well I'm learning something, again, because I had thought
> 
>   samples LesserInteger, GreaterInteger
> 
> was valid for method 3. And I also thought samples 1,1 was the default.
> Reading the 3.7 doc I don't find it saying the above you tell of, not that I
> don't believe you Alain, but I refer to the docs a lot and try to believe what I
> read there. :)
> 
> 
> 
> 

Did you look at the online version?
http://www.povray.org/documentation/3.7.0/r3_4.html#r3_4_8_3

The distributed copies of the Help are not the best.

-- 

Regards
     Stephen


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