Writing Shaders for Renderman and Mental Ray
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Sometimes, in the quest to create the perfect image, it is necessary to get one's hands dirty in the complicated business of writing shaders. Be it a new lighting equation or a neat trick from this year's SIGGRAPH, shader writing is the single most powerful way to customize your rendering and set it apart from the herd.
In this 8 week online vfx training course we jump into the deep waters of shader creation for the two most popular rendering engines: Renderman and mental ray. We will see how many concepts transfer from one to the other easily - and we'll see where each differs. We will cover a wide range of shader types and uses, including: surface, light, volume, displacement and lens shaders - illumination, procedural texturing, raytracing, HDRI lighting, ray marching, and more.
Each week you will work directly with Karl and your classmates to create fully working and useful shaders.
I wish there would be more mentors like Karl. Lessons are never boring and they go deep - real eye openers! - Samo Homsak, student April 2012
As a new artist in the film industry I've been watching a lot of tutorials online from different sources... and so far Karl is the best online teacher out there. Sometimes technical topics can get boring, but somehow Karl figures out a way to make them fun to watch, and when the scripting is not enough to teach the topic he brings out the blackboard. Besides all the forums that CG Society offers, If you still don't get it or you have technical problems, you can go into his procedural CG house and ask him whatever you want. Seriously, who else do that?
Karl, for the win! Fernando Centurion, student April 2012
Karl Stiefvater is a visual effects artist with over 20 years experience in the field of computer graphics. He has worked on gam...Read More »