To use this chapter, you should already be familiar with creating and manipulating views, as described in the chapter "View Objects." If you are developing a 3D pointing device (which allows the user to control locations in three dimensions), you need to read the information on trackers and controllers in this chapter, as well as the information on writing device drivers in the book Inside Macintosh: Devices.
This chapter begins by describing controllers and trackers. Then it provides some sample code illustrating how to use the routines in the QuickDraw3D Pointing Device Manager. The chapter ends with a complete reference for this manager.
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