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LPE, Cryptomatte, and Trace Sets should improve the flexibility of your pipeline and when managed correctly, avoid expensive re-rendering for artistic tweaks.
The Basics
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An excellent primer with useful visuals can be found in a tutorial video from Lollipop Shaders. Begin at Chapter 6 for the LPE introduction. |
To understand what is collected in an LPE, we will talk about the parts below and some context. Firstly, we always begin at the camera, so we begin an expression using C for Camera as the starting point for light collection.
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