Saving and reusing shadow maps


show more Saving and reusing shadow maps provides you with in-depth training on 3D + Animation. Taught by Eric Keller as part of the Lighting and Rendering with mental ray in Maya show less
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Saving and reusing shadow maps

One of the more appealing aspects of using depth map shadows, as opposed to raytrace shadows, is that you can actually save and reuse depth map shadows, and this can help you cut down on rendering time, especially if you're working in a complex scene that has a number of shadow-casting lights. For this example, I'm going to stick to something fairly simple: just three trees and a hill and a single spotlight. So there's my spotlight. I'm going to zoom in here. And in the Attribute Editor for the light, I have Use Depth Map Shadows is turned on, and in the mental ray section, I have Use mental ray shadow map overrides turned on.

My Resolution is set to 1024, and my Samples are set to 64, and I have a little bit of Softness on there. So, the first thing that I want to do is I want to create a name for my shadow map. Generally the process is to create a name for the shadow map, do a test render, and that will save the shadow map to the disk, and then we can turn on Reuse Shadow ...

Saving and reusing shadow maps
Video duration: 2m 48s 4h 56m Intermediate

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Saving and reusing shadow maps provides you with in-depth training on 3D + Animation. Taught by Eric Keller as part of the Lighting and Rendering with mental ray in Maya

Subjects:
3D + Animation Photography
Software:
Maya
Author:
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