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RenderMan 20

The Grand Tour #1 - Rendering a Car

"The Grand Tour: Getting Photorealistic at Point Reyes", simulates a small production pipeline.


TGT was conceived with the idea of bridging the gap between the technical aspects of RenderMan and the artistry of CG production. During this series we'll examine a complete RenderMan pipeline for a small studio or a single user, from the original concept to the final render, demonstrating how to optimize scenes, render efficiently, and how to use the features in RenderMan to achieve a final result with a high level of quality.

Chapter 1 - Rendering a Car


Sub-Chapters:

Car paint

In this sub-chapter for The Grand Tour, we will go over the use of LMMetal in RIS. We will overview useful attributes and look at some interesting ways to render iridescent car paint with the PxrFacingRatio node, along with adding metallic paint flakes with the PxrFlakes node. Finally, we'll be adding a layer of clearcoat lacquer to our car paint with an LmLayer.

Glass

In this sub-chapter for The Grand Tour, we will go over the use of LMGlass in RIS. We will overview useful attributes and look at some interesting ways to render wear and scuffs for our retro-future hovercraft, including the use of LMLayer, PxrBump, as well as glass Absorption and Transmission.

Plastics

In this sub-chapter for The Grand Tour, we will go over the use of LMPlastic and Mesh Light in RIS. We will overview useful attributes and look at some interesting ways to render faux plastic-wrapped leather and rubber, as well as an illuminated dashboard.

Street Sign

In this sub-chapter for The Grand Tour, we will go over the use of LMMetal in RIS. We will overview useful attributes and look at some interesting ways to render worn out and rusted metal, including the use of metal Roughness, Anisotropy, PxrBump and fixing bad geometry by using the Shading Tangent attribute.


Next Chapter ❯ Rendering a Tree

Next stop in The Grand Tour, we will go over the use of LMDiffuse in RIS. We will look at useful attributes and some interesting ways to render a double sided leaf shader, including the use of translucency and PxrBump.

Check it out ... Rendering a Tree ❯


About the Author

From pitch to delivery, Leif Pedersen is a CG Generalist who's worn many hats in production for almost 10 years. His background in traditional arts mixed with technical foundations in computer graphics has allowed him to work with a varied client list in both television and commercial work. Fortunately, Leif has recently developed an obsession for learning and teaching all things RenderMan.

LEIF3D.com




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