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Interactive Applications Using Matplotlib by Benjamin V. Root

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Breaking up is the easiest thing to do

Try the previous radar example again. This time, go forward a few frames and then zoom in with the zoom tool. Now go back a frame.

Go ahead, I'll wait.

Surprised? Remember that Matplotlib has its own built-in keymap. In the default keymap, the left arrow means to go back to a previous view. When we zoomed in and then pressed the left arrow key, not only did we go back a frame via our callback, but we also went back to the original view prior to zooming via Matplotlib's default keymap. The default keymap is a very important and useful feature for providing basic interactivity for most users. However, when developing your own application using Matplotlib, you might want to disable Matplotlib's keymap entirely. ...

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