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iainbanks
10-29-2005, 03:04 PM
hi i've got this problem when i render out a glass material with Brazil. The material is just a standard blinn shader with raytrace in the reflection slot. When rendered using scanline it works fine but when using brazil it Distorts. The object is an edit poly, with a shell modifier applied to it. I'm also using HDRI for reflections

http://server146.ideal-dns.com/%7Ebexlyqvo/images/forum%20pics/porschewinprob.jpg
tryhard
10-29-2005, 04:19 PM
... try using the BRAZIL glass shader.
iainbanks
10-29-2005, 04:26 PM
hmm thought someone might say that. trying it at the minute but still prefer the other material..with out the distortion of course.
soulburn3d
10-30-2005, 05:16 PM
What is is about your first material that you're not seeing/liking in the glass material?

You could also use the brazil advanced material to do your glass (using the reflection control in the material instead of placing a raytrace map in the reflect slot), that might get you something closer to what you're after.

- Neil
iainbanks
10-30-2005, 05:20 PM
hi Neil

Just not really getting much reflection from the brazil glass material and get the same result with the advanced material. Anyway i kinda sorted it for now by making the glass ulta hi poly to smooth those distortions a bit.
soulburn3d
10-30-2005, 05:27 PM
That's probably because your ior is too low. Glass has an ior of 1.5, so the glass material is supplying you with "correct" reflections, but if you want to accentuate the effect, you can either increase the reflection ior in the glass material or place a falloff map in the reflect slot of the advanced material and set it to fresnel, then change the ior value to something larger like 5 to 10. Or you could also make your environment you're reflecting brighter.

- Neil
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10-30-2005, 05:27 PM
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