Here's an updated version. mpl.use('WXAgg') should come before importing
pylab.
Martin
Martin Spacek wrote:
Not sure if this already exists, but here's an example file of how to
get a wx.ToolTip to pop up and report the current mouse position in data
coordinates over a MPL axes. Not sure if it's the best way of doing
this, but it seems to work really well for me. Perhaps it would be
useful to add this to the MPL examples?
Cheers,
Martin
"""Example of how to use wx tooltips on a matplotlib figure window.
A tooltip pops up and tracks the mouse when the mouse is above the
axes, updating it's value with the current x and y data values under
mouse position"""
import matplotlib as mpl
mpl.use('WXAgg')
mpl.interactive(False)
import pylab as pl
from pylab import get_current_fig_manager as gcfm
import wx
class wxToolTipExample(object):
def __init__(self):
self.f = pl.figure()
self.a = self.f.add_subplot(111)
self.tooltip = wx.ToolTip(tip='') # create an empty tooltip
self.tooltip.SetDelay(500) # set popup delay in ms
gcfm().canvas.SetToolTip(self.tooltip) # connect tooltip to canvas
self.f.canvas.mpl_connect('motion_notify_event', self.onmotion)
def onmotion(self, event):
"""Called during mouse motion over figure"""
if event.xdata != None and event.ydata != None:
self.tooltip.SetTip(tip='x=%f, y=%f' % (event.xdata, event.ydata))
example = wxToolTipExample()
pl.show()
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