How to programmatically select pan/zoom in pyqt/matplotlib navigation

Question

I have a pyqt4 matplotlib application and I would like the figure to start out (default) to the pan zoom mode when the application opens. I can't find any example or clue from the documentation on how to do this programmatically.

Also along this same line how would I enable the shortcut keys in my application (http://matplotlib.sourceforge.net/users/navigation_toolbar.html)

Thanks for any suggestions.

Colin

maupertius · Accepted Answer · 2012-04-13 16:50:29Z

10

I had a similar issue and in my case I solved it by using toolbar.zoom():

import pylab

plt.Figure()
thismanager = get_current_fig_manager()
thismanager.toolbar.zoom()

In that case the figure will appear with the zoom tool already selected

answered Apr 13, 2012 at 16:50

maupertius

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4 Comments

Colin Talbert Over a year ago

My setup as a pyqt4 application is a little different than what you describe but you got me on the right track.

Colin Talbert Over a year ago

The solution I ended up with was:codeself.mpl_toolbar = NavigationToolbar(self.map_canvas, None) self.mpl_toolbar.pan()'code'

Colin Talbert Over a year ago

Thanks! It's frustrating when something so simple can take so long to find.

coreyb Over a year ago

If you're using import matplotlib.pyplot as plt , use this one liner plt.get_current_fig_manager().toolbar.pan() to default to pan

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