Re: mapping colorvalues based on normalangles?

Date : Mon, 17 Dec 2007 17:56:48 -0800
To : XSI(at)Softimage.COM
From : "Alan Fregtman" <alan.fregtman(at)gmail.com>
Subject : Re: mapping colorvalues based on normalangles?
http://img340.imageshack.us/img340/2924/xsiincidencegradientwitwn2.jpg

Same way.... only you click on the little "plug" icon next to the
color sliders of the color marker of your choice and go "Blend
with->Image". ;)

(Make sure you got UVs on your object or you won't see a thing, of course.)


On Dec 17, 2007 5:11 AM, Tim Leydecker <BauerOink(at)gmx.de> wrote:
> I know about mapping a gradient based on the
> incidence angle or  a lighttangle, but is it possible
> to map a 2D image based on the geometry´s
> facing angle to the camera?
>
> In principle, defining a colorvalue for every facing
> angle, compareable to BRDF specular measurement,
> where you have a look up table for every nth angle
> in X,Y but with more options to blend values by
> simply painting a 2D map with light&dark splotches,
> mapping that to the surface based on the surface
> angle to camera, ultimately maybe even taking a
> custom angle (like a lightangle) into account?
>
> Cheers
>
> tim
>
> P.S: Helge´s tutorial DVD files arrived, loads of stuff...
>
>
>
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