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1. What is ray tracing? | Rendering | Computer animation | Khan Academy

Defines ray tracing as a rendering method and situates it among other ways of turning a 3D scene into a picture. Covers what a ray is and how tracing many of them builds an image pixel by pixel.

Khan Academy Labs · 3 min · Advanced · VFX · VFX · 2016

What you take away

Define ray tracing and identify what problem it solves in rendering.

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