Forum: Poser - OFFICIAL

Subject: What does irradiance do exactly? max to 100%

MistyLaraCarrara opened this issue on Oct 31, 2014 · 9 posts

MistyLaraCarrara posted Fri, 31 October 2014 at 9:00 AM

i max my irradiance render setting to 100%, i feel like renders looks better, but maybe it's my imagination?

does it have anything to do with glow and idl?

it doesn't seem to effect shmootz.

Thanks 😄


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Miss Nancy posted Fri, 31 October 2014 at 1:03 PM

with no irradiance caching, results using IDL not subject to random method of FFRender.  artifacts are reduced or eliminated.  (PP2012 and PP2014 (SR5 and later).

setting IC = 100  in render options not same as unchecking IC in render options.

e.g.  IC = 100 yields IDL IC = 95, meaning giMaxError is still nonzero (0.05).  you gotta use d3d's FFRender script for easier control.


vilters posted Fri, 31 October 2014 at 1:30 PM

 Sorry, but with this Crimi-Clown site lay-out, I"ll stop anwering questions completely untill restored to a usable format..

Poser 1, 2, 3, 4, 5, 7, P8 and PPro2010, P9 and PP2012, P10 and PP2014 Game Dev
"Do not drive faster then your angel can fly"!

MistyLaraCarrara posted Fri, 31 October 2014 at 1:54 PM

if fixes a glitch with IDL?
i don't have the uncheck IC render option.  
i've been using irradiance = 100% since P7.

but, was wondering what irradiance does exactly?

does it improve specular highlights, maybe? to be coupled with a specular light?


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MistyLaraCarrara posted Fri, 31 October 2014 at 2:30 PM

Ohhh there's an Advanced Render Settings 2?

hmmm no way to attach a screencapture?


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bagginsbill posted Fri, 31 October 2014 at 2:33 PM

http://www.rorydriscoll.com/2009/01/18/irradiance-caching-part-1/

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MistyLaraCarrara posted Fri, 31 October 2014 at 5:59 PM

thanks :)


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MistyLaraCarrara posted Fri, 31 October 2014 at 6:10 PM

so basically a pixel is borrowing light calculations from it's neighbors?


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bagginsbill posted Fri, 31 October 2014 at 8:29 PM

Yes. The lower the IC quality, the more borrowing happens. This saves a lot of time.

Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)