April 2016
Intermediate to advanced
784 pages
18h 25m
English
Content preview from Ray Tracing from the Ground Up
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Chapter 9
A Practical Viewing System
Objectives
By the end of this chapter, you should:
- understand how a practical perspective viewing system works;
- understand the differences between virtual and real cameras;
- have implemented a virtual pinhole camera.
The axis-aligned perspective viewing I discussed in Chapter 8 is too restrictive to use in a practical ray tracer. I’ll remove the restrictions in this chapter by discussing a virtual pinhole camera with all of the degrees of freedom we’ll need for the following chapters.
9.1 Description
The virtual pinhole camera implements perspective viewing with the following features:
- an arbitrary eye ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.