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About 3D Tracks

QuickTime’s 3D track is based on a technology from Apple called QuickDraw 3D. QuickDraw 3D files (with the extension 3dmf, 3dm, qd3d, or qd3) contain static 3D models and can be created in a variety of 3D applications. The files are relatively small because they contain mathematical descriptions of the 3D models.

Mac OS 9 and Windows users can open any QuickDraw 3D file in QuickTime Player, creating a static 3D object in a 3D track. You can manipulate this 3D track in a limited number of ways, which we’ll cover in the following sections. You also can combine the 3D track with other QuickTime tracks, using methods described in chapters 6, 7, and 8.


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