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Hi,
Not getting the expected results from using photons, for example
"scenes\advanced\optics.pov" and a couple of my own.
Has something changed?
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On 03/20/2012 10:03 AM, David wrote:
> Hi,
>
> Not getting the expected results from using photons, for example
> "scenes\advanced\optics.pov" and a couple of my own.
>
> Has something changed?
>
>
as compared to what version ... if you were using v3.6 there are a
number of changes that might be the reason. A little more info would be
helpful ;-)
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"James Holsenback" <nom### [at] none com> wrote in message
news:4f68c1ba$1@news.povray.org...
> On 03/20/2012 10:03 AM, David wrote:
>> Hi,
>>
>> Not getting the expected results from using photons, for example
>> "scenes\advanced\optics.pov" and a couple of my own.
>>
>> Has something changed?
>>
>>
> as compared to what version ... if you were using v3.6 there are a number
> of changes that might be the reason. A little more info would be helpful
> ;-)
POV Ray 3.7 RC5, Windows 7 64bit
Some of the the light beams in optics.pov are missing. Tested on Windows 7
64 and Ubuntu 11.10 64 and 32 bit versions.
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On 03/21/2012 08:00 AM, Quietman wrote:
>
>
> "James Holsenback" <nom### [at] nonecom> wrote in message
> news:4f68c1ba$1@news.povray.org...
>> On 03/20/2012 10:03 AM, David wrote:
>>> Hi,
>>>
>>> Not getting the expected results from using photons, for example
>>> "scenes\advanced\optics.pov" and a couple of my own.
>>>
>>> Has something changed?
>>>
>>>
>> as compared to what version ... if you were using v3.6 there are a
>> number of changes that might be the reason. A little more info would
>> be helpful ;-)
>
> POV Ray 3.7 RC5, Windows 7 64bit
>
> Some of the the light beams in optics.pov are missing. Tested on Windows
> 7 64 and Ubuntu 11.10 64 and 32 bit versions.
I did a little trouble-shooting ... swapped (mirror and lenses) textures
around and indeed there seems to be somethings that's not correct. I
don't think it's the objects or textures, so I started playing the
photon global settings and saw slightly different results. Admittedly
I'm weak when it comes to photons, but /think/ that's where the problem
is ... maybe someone a bit stronger on this topic could lend a hand.
Jim
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On 21/03/2012 2:40 PM, James Holsenback wrote:
> I did a little trouble-shooting ... swapped (mirror and lenses) textures
> around and indeed there seems to be somethings that's not correct. I
> don't think it's the objects or textures, so I started playing the
> photon global settings and saw slightly different results. Admittedly
> I'm weak when it comes to photons, but /think/ that's where the problem
> is ... maybe someone a bit stronger on this topic could lend a hand.
I looked at it too. It works with RC3 but not with RC4 & 5. Even with
version 3.6
Over to Clipa
--
Regards
Stephen
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On 03/21/2012 10:53 AM, Stephen wrote:
> On 21/03/2012 2:40 PM, James Holsenback wrote:
>> I did a little trouble-shooting ... swapped (mirror and lenses) textures
>> around and indeed there seems to be somethings that's not correct. I
>> don't think it's the objects or textures, so I started playing the
>> photon global settings and saw slightly different results. Admittedly
>> I'm weak when it comes to photons, but /think/ that's where the problem
>> is ... maybe someone a bit stronger on this topic could lend a hand.
>
> I looked at it too. It works with RC3 but not with RC4 & 5. Even with
> version 3.6
>
> Over to Clipa
>
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.
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On 21/03/2012 3:23 PM, James Holsenback wrote:
> 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.
As an aside Jim, I tried to look up "SSLT" in the index of the help
documents. Nothing was found, I had to look up "subsurface". Maybe an
additional entry in the index would be useful.
--
Regards
Stephen
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Am 21.03.2012 15:53, schrieb Stephen:
> Over to Clipa
Who's that? :-P
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On 03/21/2012 11:47 AM, Stephen wrote:
> On 21/03/2012 3:23 PM, James Holsenback wrote:
>> 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.
>
> As an aside Jim, I tried to look up "SSLT" in the index of the help
> documents. Nothing was found, I had to look up "subsurface". Maybe an
> additional entry in the index would be useful.
>
yep ... good idea
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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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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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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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"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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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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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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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>
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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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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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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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