R.
On Aug 29, 2006, at 12:08 AM, John Hunter wrote:
"Richard" == Richard Harvey Chapman <hchapman-matplotlib- [EMAIL PROTECTED]> writes:Richard> Briefly, is there a way to get a callback in the event Richard> that the canvas has been redrawn (e.g. from a zoom or Richard> pan)? Richard> matplotlib 0.86.2 python 2.4.1 wxPython 2.6.2.1 Mac OS Richard> X.4.7 Richard> I draw a circle at a certain point. I let the user drag Richard> that point to a new location. However, if the plot is Richard> redrawn for any reason, I have to redraw my circle in a Richard> new position. I can't seem to find any way to get Richard> notified of a redraw. Have you dried connecting to a draw_event? def ondraw(event): # do something pass fig.canvas.mpl_connect('draw_event', ondraw) FYI, the widgets module matplotlib.widgets is a good place to look for examples of mpl event handling, in addition to the class documentation in the Event hierarchy in http://matplotlib.sourceforge.net/matplotlib.backend_bases.html JDH
R.
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