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Ray Tracing from the Ground Up by Kevin Suffern

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Chapter 27

Simple Transparency

Photograph courtesy of Steve Agland

Photograph courtesy of Steve Agland

Objectives

By the end of this chapter, you should:

  • understand the concepts and physical processes of transparency;
  • understand the practical issues involved in correctly ray tracing transparent objects;
  • understand how a simplified model of transparency is implemented in ray tracing;
  • have added the ability to ray trace transparent objects to your ray tracer;
  • have ray traced a variety of transparent objects.

Transparency is my favorite ray-tracing topic. Ray tracing can accurately simulate the natural beauty of transparent objects, such as the sphere in the photograph on the first ...

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