POV-Ray : Newsgroups : povray.beta-test : Photons not working as expected? Server Time
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From: Stephen
Subject: Re: Photons not working as expected?
Date: 21 Mar 2012 12:41:05
Message: <4f6a04a1$1@news.povray.org>
On 21/03/2012 4:00 PM, clipka wrote:
> Am 21.03.2012 15:53, schrieb Stephen:
>
>> Over to Clipa
>
> Who's that? :-P

Who ever he wants to be. (Sorry kkkkkk)

It kooks to ke kat khoton reflektions are not showing uk. ;-)

-- 
Regards
     Stephen


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From: clipka
Subject: Re: Photons not working as expected?
Date: 21 Mar 2012 12:59:27
Message: <4f6a08ef$1@news.povray.org>
Am 21.03.2012 16:23, schrieb James Holsenback:

> Thanks Stephen ... that narrows it down a bit. I looked in revision
> control and didn't see anything photon related, so perhaps that
> eliminates the obvious. At the very least I think we've proven that
> something is fishy. I'm going to submit a bug report.

Guess what - while implementing the new fancy iridescence, someone 
(cough) accidently treaded on photons-relevant code and broke it.

Found, fixed & filed.


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From: Stephen
Subject: Re: Photons not working as expected?
Date: 21 Mar 2012 13:49:42
Message: <4f6a14b6@news.povray.org>
On 21/03/2012 4:59 PM, clipka wrote:
>
> Guess what - while implementing the new fancy iridescence, someone
> (cough) accidently treaded on photons-relevant code and broke it.
>
> Found, fixed & filed.

That was quick. :-D

-- 
Regards
     Stephen


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From: news povray org
Subject: Re: Photons not working as expected?
Date: 21 Mar 2012 16:34:45
Message: <4f6a3b65$1@news.povray.org>
"clipka" <ano### [at] anonymousorg> wrote in message 
news:4f6a08ef$1@news.povray.org...
> Am 21.03.2012 16:23, schrieb James Holsenback:
>
>> Thanks Stephen ... that narrows it down a bit. I looked in revision
>> control and didn't see anything photon related, so perhaps that
>> eliminates the obvious. At the very least I think we've proven that
>> something is fishy. I'm going to submit a bug report.
>
> Guess what - while implementing the new fancy iridescence, someone (cough) 
> accidently treaded on photons-relevant code and broke it.
>
> Found, fixed & filed.

Glad to see it's all sorted out, thanks all for checking it out!


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From: James Holsenback
Subject: Re: Photons not working as expected?
Date: 21 Mar 2012 16:35:38
Message: <4f6a3b9a$1@news.povray.org>
On 03/21/2012 12:59 PM, clipka wrote:
> Am 21.03.2012 16:23, schrieb James Holsenback:
>
>> Thanks Stephen ... that narrows it down a bit. I looked in revision
>> control and didn't see anything photon related, so perhaps that
>> eliminates the obvious. At the very least I think we've proven that
>> something is fishy. I'm going to submit a bug report.
>
> Guess what - while implementing the new fancy iridescence, someone
> (cough) accidently treaded on photons-relevant code and broke it.
>
> Found, fixed & filed.

yep ... pulled change and we be good to go now.


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From: Thomas de Groot
Subject: Re: Photons not working as expected?
Date: 22 Mar 2012 04:58:26
Message: <4f6ae9b2$1@news.povray.org>
On 21-3-2012 17:41, Stephen wrote:
>
> It kooks to ke kat khoton reflektions are not showing uk. ;-)

KOK!  :-)

Khomkas


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From: Stephen
Subject: Re: Photons not working as expected?
Date: 22 Mar 2012 05:22:56
Message: <4f6aef70@news.povray.org>
On 22/03/2012 8:58 AM, Thomas de Groot wrote:
> On 21-3-2012 17:41, Stephen wrote:
>>
>> It kooks to ke kat khoton reflektions are not showing uk. ;-)
>
> KOK! :-)
>
> Khomkas
>

LOL I misread that as kook. But then you might not be wrong. ;-)

-- 
Regards
     Stephen


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From: Thomas de Groot
Subject: Re: Photons not working as expected?
Date: 22 Mar 2012 08:13:16
Message: <4f6b175c@news.povray.org>
On 22-3-2012 10:22, Stephen wrote:
> On 22/03/2012 8:58 AM, Thomas de Groot wrote:
>> On 21-3-2012 17:41, Stephen wrote:
>>>
>>> It kooks to ke kat khoton reflektions are not showing uk. ;-)
>>
>> KOK! :-)
>>
>> Khomkas
>>
>
> LOL I misread that as kook. But then you might not be wrong. ;-)
>

K's are tricky ;-)

Thomas


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From: David Bluecame
Subject: Re: Photons not working as expected?
Date: 28 May 2012 17:00:01
Message: <web.4fc3e6ae35177162cbd609230@news.povray.org>
Yes, I agree, something seems to be wrong with photons reflections in Beta
3.7RC5.

For example, the next scene renders fine in 3.7RC3 but wrong in 3.7RC5 (missing
reflection in the left wall). I didn't try 3.7RC4

wall.pov --------------------------------------------

 global_settings
 {
                assumed_gamma 1.0
 photons {
                count 100000
                autostop 0
                media 10
                adc_bailout 0
                max_trace_level 15

                }
 }
 camera { location <14.9, 1, -8> look_at -z angle 70 }
 light_source { <10,100,150>, 1
//     media_attenuation on
 photons {   refraction on   reflection on  }
  }

 // Room
 union
 { difference
   { box { <-11, -7, -11>, <16, 7, 10.5> }
     box { <-10, -6, -10>, <15, 6, 10> }
     box { <-4, -2, 9.9>, <2, 3, 10.6> }
   }
   box { <-1.25, -2, 10>, <-0.75, 3, 10.5> }
   box { <-4, 0.25, 10>, <2, 0.75, 10.5> }
   pigment { rgb 1 }
 }

 // Scattering media box:
 box
 { <-5, -6.5, -10.5>, <3, 6.5, 10.25>
   pigment { rgbt 1 } hollow
   interior
   { media
     {
     scattering { 1, 0.07 extinction 0.01 }
       samples 30,100
     }
   }
          photons { pass_through }
 }

  box
 { <-10, -5.99, -10>, <15, -6, 10>
   pigment { rgb 1 }
   finish { reflection <0.5, 0.4, 0.2> }
   photons { target reflection on }
 }


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From: clipka
Subject: Re: Photons not working as expected?
Date: 28 May 2012 18:15:35
Message: <4fc3f907$1@news.povray.org>
Am 28.05.2012 22:57, schrieb David Bluecame:
> Yes, I agree, something seems to be wrong with photons reflections in Beta
> 3.7RC5.

The problem has been analyzed by now, and a fix will be included in the 
next RC.


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