September 2021
Intermediate to advanced
716 pages
23h 12m
English
Content preview from Fundamentals of Computer Graphics, 5th Edition
79
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4 Ray Tracing
One of the basic tasks of computer graphics is rendering three-dimensional objects: taking a scene composed of many geometric objects arranged in 3D space and computing a 2D image that shows the objects as viewed from a particular viewpoint. It is the same operation that has been done for centuries by architects and engineers creating drawings to communicate their designs to others.
Fundamentally, rendering is a process that takes as its input a set of objects and produces as its output an array of pixels. One way or another, rendering involves considering how each object contributes to each pixel, and it can be organized in two general ways. In object-order rendering, each object is considered ...
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