MotionView User's Guide

Direction Cosines

Direction Cosines

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Direction Cosines

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The direction cosines’ matrix is the transformation matrix that maps coordinates from the global reference frame to the current coordinate system.  The three columns of the direction cosines’ matrix are unit vectors along the x, y, and z axes of the coordinate system in terms of the global frame.  Click on the [DC] button to view the direction cosines’ matrix for a coordinate system.

direction_cosine_matrix

Direction Cosine Matrix dialog