1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
#!/usr/bin/env python
"""
An example of how to interact with the plotting canvas by connecting
to move and click events
"""
import sys
from pylab import *
t = arange(0.0, 1.0, 0.01)
s = sin(2*pi*t)
ax = subplot(111)
ax.plot(t,s)
def on_move(event):
# get the x and y pixel coords
x, y = event.x, event.y
if event.inaxes:
ax = event.inaxes # the axes instance
print 'data coords', event.xdata, event.ydata
def on_click(event):
# get the x and y coords, flip y from top to bottom
x, y = event.x, event.y
if event.button==1:
if event.inaxes is not None:
print 'data coords', event.xdata, event.ydata
binding_id = connect('motion_notify_event', on_move)
connect('button_press_event', on_click)
if "test_disconnect" in sys.argv:
print "disconnecting console coordinate printout..."
disconnect(binding_id)
show()
|
