[bug/req] sss coefficients inverted in 0.9

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mrCarnivore
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[bug/req] sss coefficients inverted in 0.9

Post by mrCarnivore » Tue Aug 07, 2007 8:48 am

why did you change the interpretation of the sss values? in 0.9t4.2 you have to pick the inverted colour you actually want for sss. In 0.8 everything was fine....

mrCarnivore
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Post by mrCarnivore » Wed Aug 08, 2007 7:16 pm

OK, that post was intended for Ono, but others feel free to reply!

Did nobody understand my post, or is the issue just unimportant to everybody? :?

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OnoSendai
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Post by OnoSendai » Wed Aug 08, 2007 7:22 pm

I wasn't aware there was a change.

mrCarnivore
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Post by mrCarnivore » Wed Aug 08, 2007 8:28 pm

When I use blendigo 0.8 and indigo 0.8 stable the sss is blue-ish and with blendigo 0.9 and indigo 0.9t4 the sss with same values is yellow-ish.

I also checked the .igs to confirm the settings were the same. (couldn't use same blendigo for both versions since xml changes...)

seems like the sss values are inverted, just like the absorbtion values. for absorbtion it makes sense. for sss it doesn't...

I can show you test renders tonight (CET).

Strange though, that you didn't change anything... :shock:

StompinTom
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Post by StompinTom » Thu Aug 09, 2007 1:38 am

probably a change in the exporter.

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Kram1032
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Post by Kram1032 » Thu Aug 09, 2007 2:00 am

which one are you using?
SmartDenSs or Big Fan'S

mrCarnivore
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Post by mrCarnivore » Thu Aug 09, 2007 2:03 am

StompinTom wrote:probably a change in the exporter.
as I stated in my post above, I checked the .igs to if there was a difference introduced by the exporter...Which was not the case. the .igs files are identical except for the xml changes from 0.8 to 0.9t4

I'm using smartdens blendigo

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zsouthboy
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Post by zsouthboy » Thu Aug 09, 2007 2:04 am

Yeah, check your XML.

At some point (7test2 or so) the values WERE inverted in blendigo, but they were fixed and have been the same since...

StompinTom
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Post by StompinTom » Thu Aug 09, 2007 2:26 am

mrCarnivore wrote:
StompinTom wrote:probably a change in the exporter.
as I stated in my post above, I checked the .igs to if there was a difference introduced by the exporter...Which was not the case. the .igs files are identical except for the xml changes from 0.8 to 0.9t4

I'm using smartdens blendigo
ah, my bad. sorry! gotta learn to read...

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