Internet Visualization Copyright Â© Pixar Animation Studios Here is a movie created for Pixar’s RenderMan Courseware that visualizes internet connectivity across the world. It was were created using Python and Pixar’s RenderMan software. The Courseware includes a comprehensive “making of” tutorial walking through all the steps involved in creating and rendering this animation. To control the appearance and incandescence of the curves over time I wrote a custom surface shader that reads a “start time” primitive variable off each curve and ramps opacity along the length of the curve during creation. Once created the shader fades off the incandescence to give a subtle cooling effect (all this is viewed better in the original HD).
Dynamic Procedural Displacement – Raindrops on Glass
Custom Displacement Shading – Tracks in the Snow Copyright Â© Pixar Animation Studios Here is another video I developed for Pixar’s RenderMan Courseware, this one demonstrates an interesting techniques that can be achieved with a fairly simple custom displacement shader that relies mostly on an understanding of the fundamentals of computer graphics. Specifically, the technique uses a sequence of depth maps (shadow maps) rendered from beneath the surface capturing the distance from the shadow camera to each point on the displacement-mapped spheres.
Here are a couple experiments put together for Pixar’s RenderMan Courseware which demonstrate programmable raytracing in RenderMan. Custom Gather Copyright Â© Pixar Animation Studios Programmable Raytracing in RenderMan
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