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Old 21-10-2002, 09:42 PM   #1
worldofmaya
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Default glas test setup

Hi!
I'm working on an glas shader setup... but there's a lot more to do -)
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Old 22-10-2002, 09:23 AM   #2
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it sure look really nice so far man.. :p
good work..
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Old 22-10-2002, 12:50 PM   #3
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a new img from an test anim... rendering times are a too high (around 7 min on an AMD1.4GHz) right now and some refelection don't quit match reality...
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Old 23-10-2002, 12:25 PM   #4
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it looks really cool man.. :p
the lightin' on the base of the glass isn't realistic.. it's too bright all over, imo..
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Old 23-10-2002, 03:14 PM   #5
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The refraction looks like it would hold up well
Good JOB!
Don't tweak those settings.

But I do agree with Roman about the light at the base.

What is that from? Mapping, GI light?

Good job overall though!!!!
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Old 23-10-2002, 07:09 PM   #6
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The problem at the base is just a wrong reflection... I've rendered an animation to see where problems are...
Basically the whole thing is based on simple raytracing with some procedurale enviroment maps that tdrive reflectivity, all colors and so on...
I've rendered it in both Maya and MR for Maya Beta. Reflections in MR are much cleaner... but Maya doesn't make thís bad base Perhpas something for compositing -)
Haven't used GI. Takes too much time to render and I have much more control making it manually...
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Old 23-10-2002, 07:24 PM   #7
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Hmm, I just thought iīd take some pics. I believe it has very good reflections (the render I mean) since glass surfaces tend to glow a bit when thereīs more concentration of material, I guess itīs because of the properties of glass anyway.
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Old 23-10-2002, 08:01 PM   #8
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[i]I guess itīs because of the properties of glass anyway. [/b]
Maybe sub surface light scattering + caustics (inside the glass matter itself...)?
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Old 23-10-2002, 08:33 PM   #9
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Perhaps, Itīs quite a lot of light physics working there ...
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Old 23-10-2002, 09:27 PM   #10
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Exactly...but in the end, you can't do a perfect copy of a real world object by synthetic methods. I believe the key word is plausibility.

Btw, I think the rendering is nice.
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Old 24-10-2002, 11:22 AM   #11
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Hi!
The Image looks cool! I'll try to improve my basement -)
The reflections are not at final stage! The whole surrounding scene needs to be build...
Anyway, I'll have a look how caustics can improve the setup...
-Klaus
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Old 24-10-2002, 02:14 PM   #12
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thats lookin' much better man.. :p
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