Electronic Design

What’s the Difference Between Ray Tracing, Ray Casting, and Ray Charles? (.PDF Download)

Feb. 2, 2016

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Like ray casting, ray tracing “determines the visibility of surfaces by tracing imaginary rays of light from viewer’s eye to the object in the scene.”¹

Ray casting is faster than ray tracing.

Ray casting is faster because its world is limited by one or more geometric constraints (simple geometric shapes); a ray-tracing world can be almost any shape.

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