CGTalk - mia - how do you reproduce the anisotropy map found in the help?

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microspot

02-25-2008, 03:07 PM

Hello,
I've been trying to reproduce the look of this pic found in the maya help under the mia material section.
It's a map of the anisotropy reflection as it says so in the help but there is no picture of the map itself.

So what should the aniso map look like?

thanks:)

http://img104.imageshack.us/img104/1038/mapquestional6.jpg (http://imageshack.us)

kjaft

02-26-2008, 08:43 AM

try a ramp texture, radial with 2 white and two black entries. Mind that you model has correct UV-layout.

phix314

02-26-2008, 09:40 AM

Take a look here:

http://forums.cgsociety.org/showthread.php?t=457280

I tried to find a pic of the actual gradient, but if you create a ramp shader and change the type to, I think radial... one of the rotation-type choices.

microspot

02-26-2008, 10:43 AM

thank you for the input folks.:thumbsup:
It seems that they used the radial map with a couple black and white gradients.
Here's a couple tests I did, switching between radial, tartan etc maps with the same materials settings.

http://img412.imageshack.us/img412/9995/reflectionstestlk5.jpg (http://imageshack.us)

I'm looking into the aniso channel because I don't get much of it, I'll get back when I'm done testing if I need some help.
thanks again

Ash-Man

02-26-2008, 02:19 PM

thanks for sharing

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