POV-Ray : Newsgroups : povray.binaries.images : sslt and area light Server Time
30 Jul 2024 10:23:32 EDT (-0400)
  sslt and area light (Message 1 to 6 of 6)  
From: James Holsenback
Subject: sslt and area light
Date: 4 Mar 2012 10:25:47
Message: <4f53897b@news.povray.org>
not sure what's causing this ...

image on the left has area light but commented out the sslt portion of 
the material, on the right, same settings but with the sslt enabled.

btw: base texture is a uv mapped image


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From: Stephen
Subject: Re: sslt and area light
Date: 4 Mar 2012 14:06:56
Message: <4f53bd50@news.povray.org>
On 04/03/2012 3:26 PM, James Holsenback wrote:
> not sure what's causing this ...
>
> image on the left has area light but commented out the sslt portion of
> the material, on the right, same settings but with the sslt enabled.
>
> btw: base texture is a uv mapped image

The image, in the link below, of the lady with a dislocated thumb is u-v 
mapped and uses area lights. If that helps (possibly hinders).

http://i.imgur.com/WAcGL.jpg


-- 
Regards
     Stephen


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From: James Holsenback
Subject: Re: sslt and area light
Date: 4 Mar 2012 14:32:22
Message: <4f53c346$1@news.povray.org>
On 03/04/2012 02:06 PM, Stephen wrote:
> On 04/03/2012 3:26 PM, James Holsenback wrote:
>> not sure what's causing this ...
>>
>> image on the left has area light but commented out the sslt portion of
>> the material, on the right, same settings but with the sslt enabled.
>>
>> btw: base texture is a uv mapped image
>
> The image, in the link below, of the lady with a dislocated thumb is u-v
> mapped and uses area lights. If that helps (possibly hinders).

OK then ... I suppose it means that it's something I'm doing and NOT an 
anomaly. LOL ... back to the drawing board. Maybe it's the backside 
diffuse I'm using, at any rate thanks for helping eliminate one of the 
possibilities.


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From: Stephen
Subject: Re: sslt and area light
Date: 4 Mar 2012 14:56:17
Message: <4f53c8e1$1@news.povray.org>
On 04/03/2012 7:32 PM, James Holsenback wrote:
> OK then ... I suppose it means that it's something I'm doing and NOT an
> anomaly. LOL ... back to the drawing board. Maybe it's the backside
> diffuse I'm using, at any rate thanks for helping eliminate one of the
> possibilities.

It was a very small area light, 4x4.
I'll post another test later, when it is finished, where I had to change 
the samples from 100 to 1000 when changing between RC3 to RC4.

BTW have you tried translucency = <0,0,0> end or 0.0001?

-- 
Regards
     Stephen


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From: James Holsenback
Subject: Re: sslt and area light
Date: 4 Mar 2012 16:18:20
Message: <4f53dc1c$1@news.povray.org>
On 03/04/2012 02:56 PM, Stephen wrote:
> On 04/03/2012 7:32 PM, James Holsenback wrote:
>> OK then ... I suppose it means that it's something I'm doing and NOT an
>> anomaly. LOL ... back to the drawing board. Maybe it's the backside
>> diffuse I'm using, at any rate thanks for helping eliminate one of the
>> possibilities.
>
> It was a very small area light, 4x4.
> I'll post another test later, when it is finished, where I had to change
> the samples from 100 to 1000 when changing between RC3 to RC4.
>
> BTW have you tried translucency = <0,0,0> end or 0.0001?
>
nope ... interesting idea. i've had better luck going in the other 
direction (larger values), but hey i'm still poking at this, so all 
ideas are good ones at this point ;-)


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From: Stephen
Subject: Re: sslt and area light
Date: 4 Mar 2012 17:13:27
Message: <4f53e907$1@news.povray.org>
On 04/03/2012 9:18 PM, James Holsenback wrote:
>>
>> BTW have you tried translucency = <0,0,0> end or 0.0001?
>>
> nope ... interesting idea. i've had better luck going in the other
> direction (larger values), but hey i'm still poking at this, so all
> ideas are good ones at this point ;-)

Not a good idea but interesting in a way.

-- 
Regards
     Stephen


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