Rendering the Physical Material

- [Voiceover] In this chapter on hard surface materials,…we'll take a look at auto-desk's physical material.…It's an all-purpose material for physically based renderers.…We're going to be using A.R.T…or the auto desk rate tracer in this course,…but the principles that I show you…will also apply to other physical renderers…such as: Arnold.…The whole idea of the physical material…is that it's a simulation of reality…so it's a renderer agnostic.…

That means it should look the same in different renderers.…In my experience, the physical material renders…equally well under Arnold and A.R.T and…the results look so similar,…that it may be difficult to tell the difference.…The material work flow for P.B.R or…physically based rendering…is substantially different from older shady models…such as Glen and Fawn.…Physically based materials may be difficult to evaluate…in a genetic shader preview…because P.B.R. materials are very sensitive to…lighting and modeling concerns.…

A common practice when testing materials…is to use a full 3-D scene like the one to be used…