October 2018
Beginner
734 pages
22h 15m
English
Content preview from Fundamentals of Computer Graphics, 4th EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 10
Surface Shading
To make objects appear to have more volume, it can help to use shading, i.e., the surface is “painted” with light. This chapter presents the most common heuristic shading methods. The first two, diffuse and Phong shading, were developed in the 1970s and are available in most graphics libraries. The last, artistic shading, uses artistic conventions to assign color to objects. This creates images reminiscent of technical drawings, which is desirable in many applications.
10.1 Diffuse Shading
Many objects in the world have a surface appearance loosely described as “matte,” indicating that the object is not at all shiny. Examples include paper, unfinished wood, and dry, unpolished stones. To a large degree, such objects ...
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