Hi all,
I've been having some trouble getting interactive mode to work
correctly with the WxAgg backend. I have these versions:
[craigb@...4216... hists]$ python
Python 2.7.3 (default, Aug 13 2012, 16:13:38)
[GCC 4.1.2 20080704 (Red Hat 4.1.2-52)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
import matplotlib
matplotlib.__version__
'1.1.1rc'
import wx
wx.__version__
'2.8.12.1'
When I do something like this,
from matplotlib import pyplot
import numpy
pyplot.plot(numpy.arange(10), numpy.arange(10), 'r.')
[<matplotlib.lines.Line2D object at 0x5561750>]
pyplot.show()
I get a good-looking window with my plot. I can mouse over the window
and get coordinates, there are buttons on the bottom of the window
that I can push, etc. However, if I turn on interactive mode (I read
somewhere that it's bad to turn on interactive mode after you've
already made a plot, so below I've exited and started a new
interactive session),
from matplotlib import pyplot
import numpy
pyplot.ion()
pyplot.plot(numpy.arange(10), numpy.arange(10), 'r.')
[<matplotlib.lines.Line2D object at 0x153e2ad0>]
Nothing shows at this point. If I continue,
pyplot.show()
Still nothing shows. If I exit right now, I get a brief glimpse of my
plot before python exits completely. I can get the plot to show by
doing
pyplot.draw()
But it's only the top half of the plot, and if I drag another window
on top of it, it doesn't automatically redraw. No buttons, no
mouse-over niceness. Issuing pyplot.draw() again gets me the full
plot, but no mouse-overs, no buttons, and no redraw.
Both MPL and wxPython were built from source on a RHEL5.8 machine, so
maybe it's the libraries I am linking against...? Anyway, I've
attached two screenshots of what my plots look like when they finally
are drawn. Many many thanks in advance!
--cb
