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Monday, March 27, 2006

wave2RGB, A MetalRay Shader (XSI)!!


wavelength to RGB mental ray shader
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- wave2RGB, is MentalRay Shader for XSI by Anthony Rossano , who have been working for last fifteen years in mutimedia and animation industry. Anthony have compiled wave2RGB,the shader after runing lots of test and experiments.....Anthony Rossano; I've been thinking that a lot of rendering problems are made more difficult by the RGB color system, and the need to calculate results for the three channels independantly. I started to wonder why we use RGB for such things. I started to wonder if I could write shaders that used a model closer to the physics of light as we understand it today. I took some initial steps in that line of thought, and quickly realized that I'd need to convert from my own colorspace based on light physics to the common RGB system. I assumed that would be trivial, and that there would be a..........
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