Importance

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Abstract

A computer apparatus is described for displaying and manipulating sequences of frames of hierarchically organized framed data. The apparatus comprises means for generating a graphical user interface on a display screen, the graphical user interface having means for displaying a representation of a hierarchy of the framed data. The computer apparatus also has a pointing device for selecting a portion of the representation of the hierarchy to generate a control signal, and means responsive to the control signal to display a portion of the framed data corresponding to the selected portion of the representation of the hierarchy. The graphical user interface may be used in a computer based verification system for the analysis and display of a sequence of frames of framed data, comprising: means for generating a frame generator for receiving the frame sequence, the frame generator comprising means for processing the frame sequence in accordance with a protocol to form a modified frame sequence and for associating with each frame a description data structure for that frame, and means for outputting the modified frame sequence and the frame description data structure.

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First Claim