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March 29, 2006

movie matrix stuff

The Movie Toolbox makes extensive use of transformation matrices to define graphical operations that are performed on movies when they are displayed. A transformation matrix defines how to map points from one coordinate space into another coordinate space. By modifying the contents of a transformation matrix, you can perform several standard graphical display operations, including translation, rotation, and scaling. The Movie Toolbox provides a set of functions that make it easy for you to manipulate translation matrices. Those functions are discussed in QuickTime Movie Internals Guide. The remainder of this section provides an introduction to matrix operations in a graphical environment.

Originally posted by cory_arcangel from del.icio.us/inbox/yatta, remediated by yatta on Mar 29, 2006 at 11:57 PM