Benjamin Root about my miserable event problem :
Still not sure why my suggestion would not work:
http://matplotlib.sourceforge.net/api/cbook_api.html#matplotlib.cbook.CallbackRegistry
I thought I told you. Probably I am doing something utterly false, but
my distilled problem is that*I am generating events from within a
callback*. Here you are a complete skeleton program.
from pylab import *
from matplotlib.cbook import *
from matplotlib.widgets import Button
fig=figure()
ax = fig.add_subplot(1,1,1)
xis=axis([0,1,0,1])
subplots_adjust(left=0.1, bottom=0.1)
clrax = axes([0.67, 0.02, 0.08, 0.04])
clbut = Button(clrax, 'Clear', color="1.0")
goax = axes([0.88, 0.02, 0.08, 0.04])
gobut = Button(goax, 'Go', color="#40ffa0")
cbacks = CallbackRegistry()
def line(*evt):
plot(rand(2),rand(2)) ; draw()
cbacks.process('line_', None)
linv = cbacks.connect('line_', line)
def clr(ev=None): del ax.lines[:]
clbut.on_clicked(clr)
def start(evt): cbacks.process('line_', None)
gobut.on_clicked(start)
subplot(1,1,1)
show()
The function line() is the main iterative engine, a "loop" without
looping. It should post an event which re-launches it, and still leaving
the master loop active, so I can clear the figure.
Nope. This is a /*recursive call*/.
Python bombs after a while, recursive limit exceeded, and only then the
Clear button wakes up.
Thank you for your effort.
Jerzy
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