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vfx breakdown - Metro (film)

Technical Director Maya / Nuke / Renderman / Houdini Ulitka Postproduction October 2009 – May 2013 • Wrote clear and easy extandable presets system for Slim templates • Wrote photorealistic glass shader with dispersion and full internal refraction • Improved glass shader to reflect/refract AOV channels (raytracing with renderpasses) • Provided artist-friendly low level control to raytrace • Created multi patch texture reader from Zbrush and Mari • Integrated various diffuse models: Kruger, Minnaert, Oren Nayar, Wolff etc. • Integrated various specular models: Beckmann, Cook-Torrance, Ward, diffraction etc. • Integrated custom user data types in Slim (diffuse, specular, trace, SSS, GI etc.) • Created GUI for Pixar's command line tools in Tcl/Tk • Implemented new functionality to in-house tools • Wrote automation scripts in MEL and Python for Maya • Provided assistance to artists with technical issues • Trained and help to artists with new tools and technologies • Maintained studio scripts and organized data storage • Wrote scripts for deployment and update software on workstations • Worked with supervisors and integrated new technologies into pipeline • Customized UI and wrote scripts for Nuke • Profiled and analyzed shaders performance • Improved rendering speed by optimizing shaders code • Developed system utilities in Tcl/Tk