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Chapter 5. VRML FUNDAMENTALS

Topics in This Chapter

  • An overview of VRML scene graphs

  • Writing and formatting VRML code

  • Learning to read the VRML97 specification

  • Exploring VRML nodes, fields, events, and data types

  • Routing events from one node to another

  • Defining object shape, geometry, and appearance

  • Understanding the difference between primitive and complex objects

  • Creating a text shape

  • Walking around VRML's 3D coordinate system

In the previous chapter (Chapter 4, "VRML Overview" ) you learned about the history of VRML and the basic structure of VRML files. In this chapter you'll actually explore the innards of VRML files as you learn the fundamentals of the language in preparation for the chapters that follow. Here you'll learn about the scene graph data structure used by VRML programmers to represent 3D objects and scenes, and you'll even construct your own scene graphs as you write VRML code that makes use of the basic building blocks of every world.


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