Chapter 17. Draggers and Manipulators

Table of Contents

Chapter Objectives. After reading this chapter, you'll be able to do the following:

This chapter describes how to use draggers and manipulators, which are special objects in the scene graph that have a user interface and respond to events. Manipulators, such as the handle box, trackball, and directional light manipulator, are nodes that employ draggers to enable the user to interact with them and edit them. For information on how draggers receive and respond to events, see Chapter 10, Handling Events and Selection.