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Contents → Getting and saving data → gd get data → PseudoGraphics interactive point editing

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You can use mode 7 to interactively modify 2D data points that are displayed in PseudoGraphics, using the commands described in the table above. The data is displayed on the video terminal with the current point highlighted.

The following chart shows the commands for interactive editing with PseudoGraphics.

Key   Arrow key   Action   A   Up   Turn on interactive mode.   B   Down   Turn off interactive mode.   C   Right   Scan forward through points. Press any key to stop. (Unavailable on some systems.)   D   Left   Scan backward through points.

You can edit at one time only as many points as are held in memory, a value set in the initialization file (see Appendix A).

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