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Old 01-25-2013, 02:42 AM   #1
KHing
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Multi coated lens shader

Hi everyone, I have an upcoming project that requires a nice multi coated lens shader, where it have a nice tint of color from a certain viewing angle.

Anyone have any tips regarding this shader? Any help is much appreciated! Thank you!

Reference:
 
Old 02-04-2013, 06:38 PM   #2
Ian31R
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Software? In Max you could use a multicolor ramp mapped to the viewing angle (normal), placed in the reflection and specular color of your glass material.
 
Old 02-04-2013, 09:31 PM   #3
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What renderer are you using?

I know maxwell can do thin coating like this
 
Old 02-05-2013, 10:04 AM   #4
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I use maya with Mental Ray / Vray depends on which gives me a good result.

I was thinking along the line of adding ramps dependent on viewing angles in maya as well, but I am curious if there r shaders already built for this purpose? Or any physical shader that are built for this phenomena?
 
Old 02-05-2013, 12:06 PM   #5
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If you like iray, you can get a thin film coating material here:
http://forum.mentalimages.com/showt...40449#post40449

I havent tried it, but from what i've seen results looks decent.
 
Old 02-05-2013, 07:14 PM   #6
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There might not be any built in shaders in Maya for that purpose, (ones that aren't hidden anyway), but you can download some custom MR shaders - Check my last post here -
http://forums.cgsociety.org/showthr...82&page=2&pp=15
 
Old 02-05-2013, 07:32 PM   #7
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Hmm, looks like the tektoshoot website has been down for a while...I haven't been able to find a link for it anywhere. I have the T2S Illumination shader, not sure if its okay to distribute it though.
 
Old 02-05-2013, 08:27 PM   #8
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Also, you will probably need to model different lens elements to get multiple reflections and refractions. A good environment map will also be key to making the shader look good.
 
Old 02-05-2013, 08:27 PM   #9
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