April 2016
Intermediate to advanced
784 pages
18h 25m
English
Content preview from Ray Tracing from the Ground Up
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Chapter 5
Sampling Techniques
Image courtesy of Duy Tran
Objectives
By the end of this chapter you should:
- understand why sampling is important in ray tracing;
- understand how several common sampling techniques are implemented;
- know the characteristics of good sampling techniques;
- have at your disposal a flexible sampling architecture.
In the previous chapter, I hard-wired a few simple sampling patterns into the World::render_scene function to perform antialiasing. There is, however, a lot more to sampling than antialiasing, because all of ray tracing is essentially an exercise in sampling and reconstruction. It’s not only pixels that have ...
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