H_ThinFilmInterference ====================== By Ryan Hussain ryanh@splicer.tv Thin Film Interference utility shader for Arnold, based on the following papers by Andrew Glassner. Glassner, A., "Soap bubbles. 1," Computer Graphics and Applications, IEEE , vol.20, no.5, pp.76,84, Sep/Oct 2000 URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=865884&isnumber=18744 Glassner, A., "Soap bubbles. 2 [Computer graphics]," Computer Graphics and Applications, IEEE , vol.20, no.6, pp.99,109, Nov/Dec 2000 URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=888023&isnumber=19197 Contributers: Chi Chang Chu Special Thanks To: Jep Hill Gong Myung Lee