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1.4.1 Mouse and hotkey support in interactive terminals

Interaction with the current plot via mouse and hotkeys is supported for the X11, OS/2 Presentation Manager, ggi and Windows terminals. See `mouse input` for more information on mousing. See help for bind for information on hotkeys. Also see the documentation for individual mousing terminals `ggi`, `pm`, `windows` and `x11`.

Here are briefly some useful hotkeys. Hit 'h' in the interactive interval for help. Hit 'm' to switch mousing on/off. Hit 'g' for grid, 'l' for log and 'e' for replot. Hit 'r' for ruler to measure peak distances (linear scale) or peak ratios (log scale), and '5' for polar coordinates inside a map. Zoom by mouse (MB3), and move in the zoom history by 'p', 'u', 'n'; hit 'a' for autoscale. Use other mouse buttons to put current mouse coordinates to clipboard (double click of MB1), add temporarily or permanently labels to the plot (middle mouse button MB2). Rotate a 3D surface by mouse. Hit spacebar to switch to the gnuplot command window.

Sample script: mousevariables.dem