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What is wrong with my OJ?

Posted: Mon Dec 15, 2008 6:26 pm
by frosty_ramen
I'm having a problem with my Orange Juice, it is directly from the wizard under sss. I am not very familiar with the new attributes of the sss materials, is there anyone that can lead me to a reasonable conclusion?

Image
Thanks
Dan

Posted: Mon Dec 15, 2008 6:29 pm
by Tea_Bag
What SL did you render to?

Posted: Mon Dec 15, 2008 6:30 pm
by frosty_ramen
that was only sl6, but i have one that went to 20.36 and it just looks the same

Posted: Mon Dec 15, 2008 6:37 pm
by Tea_Bag
:? - not a sample level issue then! What about scene scale?

Posted: Mon Dec 15, 2008 6:43 pm
by frosty_ramen
Tea_Bag, By scene scale do u mean the size of my scene, or if i have scaled the scene as a whole?

Posted: Mon Dec 15, 2008 6:47 pm
by Tea_Bag
frosty_ramen wrote:Tea_Bag, By scene scale do u mean the size of my scene, or if i have scaled the scene as a whole?
The size of your scene if its 1:1

Posted: Mon Dec 15, 2008 6:49 pm
by shen.de
my o'juice looks just the same :)

its not a scale problem either

Posted: Mon Dec 15, 2008 6:50 pm
by frosty_ramen
Shen.de
Have you found a way to fix it?

Posted: Mon Dec 15, 2008 6:56 pm
by Tea_Bag
Might be worth asking Thomas as his managed to sucessfully make OJ :)

http://www.maxwellrender.com/forum/view ... sc&start=0

Posted: Mon Dec 15, 2008 6:59 pm
by frosty_ramen
TOM....r u here Tom?

Posted: Mon Dec 15, 2008 7:07 pm
by Eric Lagman
If sunlight is on that will never clear. My guess is the calculations are too intense for sunlight+glass+sss

Posted: Mon Dec 15, 2008 7:14 pm
by frosty_ramen
im going to test with the sun off

Posted: Mon Dec 15, 2008 7:51 pm
by frosty_ramen
here is a test render with physical sun and image based lighting off, and only mxi based emitters on.
Image
not much different

Posted: Mon Dec 15, 2008 8:22 pm
by Eric Lagman
Did you try with just a standard plane made of one polygon and and an emitter material?

Notice how the OJ in Thomas image goes all the way to the edge of the glass. Yours does not. It looks like he used the standard liquid in glass modelling technique that he discovered in this thread. http://www.maxwellrender.com/forum/view ... hp?t=17147

Try modelling your OJ inside an enclosed glass volume and see if that helps any.

Posted: Mon Dec 15, 2008 8:56 pm
by frosty_ramen
Eric, wow .... light propagation... that is pretty intense, my only issue is that my liquid is smaller that the inside of it's container. if i do not do this then i end up with triangles appearing in the liquid. so then the whole behavior of a ray of light would be changed be cause light would travel air>glass>air>liquid>air>Glass>air instead of
air>glass>liquid>glass>air.

any ideas