Josh:
I'm assuming that you saw the workaround two messages up?
On Wed, Jul 11, 2012 at 1:41 PM, Joshua Koehler <jjkoehl...@gmail.com>wrote:
> Here is the full traceback from the sample program:
>
> Traceback (most recent call last):
> File "panel_test.py", line 54, in <module>
> frame = MyFrame(None)
> File "panel_test.py", line 42, in __init__
> self.panel1.update_display()
> File "panel_test.py", line 19, in update_display
> my_plot(self.figure)
> File "panel_test.py", line 10, in my_plot
> nx.draw_networkx(G, ax=axes)
> File
> "/Library/Frameworks/Python.framework/Versions/7.3/lib/python2.7/site-packages/networkx/drawing/nx_pylab.py",
> line 269, in draw_networkx
> node_collection=draw_networkx_nodes(G, pos, **kwds)
> File
> "/Library/Frameworks/Python.framework/Versions/7.3/lib/python2.7/site-packages/networkx/drawing/nx_pylab.py",
> line 392, in draw_networkx_nodes
> pylab.sci(node_collection)
> File
> "/Library/Frameworks/Python.framework/Versions/7.3/lib/python2.7/site-packages/matplotlib/pyplot.py",
> line 226, in sci
> gca()._sci(im)
> File
> "/Library/Frameworks/Python.framework/Versions/7.3/lib/python2.7/site-packages/matplotlib/axes.py",
> line 1374, in _sci
> "Argument must be an image, collection, or ContourSet in this Axes")
> ValueError: Argument must be an image, collection, or ContourSet in this
> Axes
>
>
> Thanks guys!
>
> Josh
> On Jul 11, 2012, at 1:18 PM, Benjamin Root wrote:
>
>
>
> On Wed, Jul 11, 2012 at 12:45 PM, Joshua Koehler <jjkoehl...@gmail.com>wrote:
>
>> Hi all,
>>
>> I am currently trying to have two panels each with their own figure
>> instance so they can have separate plots.
>>
>> I can successfully update a plot if there is only one panel. As soon as I
>> add a second panel, I get the following error when I try to update (replot)
>> a plot (Showing last message only):
>>
>> File
>> "/Library/Frameworks/Python.framework/Versions/7.3/lib/python2.7/site-packages/matplotlib/axes.py",
>> line 1374, in _sci
>> "Argument must be an image, collection, or ContourSet in this Axes")
>> ValueError: Argument must be an image, collection, or ContourSet in this
>> Axes
>>
>> I looked online first and one site suggested it was because I was using
>> matplotlib.Figure instead of pylab.Figure. I switched and the problem still
>> occurs. I was curious to see if this problem had to do with how I set up my
>> program, not with matplotlib, so I wrote a little test program. The exact
>> same problem occurs. I have attached the test program. To see that it does
>> work with just one panel comment out lines 39, 41, and 49. When put back
>> in, I get the above error message.
>>
>> Any suggestions as to how to fix this?
>>
>> Thanks!
>>
>> Josh
>>
>>
> Josh,
>
> Can you please post the entire traceback? My suspicion for what is
> happening is that both figures are sharing the same canvas, but I am not
> exactly sure. Anyway, when you perform a plot on one panel, you are
> calling "clear()" for that figure, which may be having side-effects for the
> other figure since it is attached to the same Wx object.
>
> Actually, looking over your code again, I see a few things that may or may
> not be part of the problem, but should be addressed, nevertheless. First,
> you are calling FigureCanvas and assigning it to self.canvas. This canvas
> is different from the canvas that the figure will actually use, so I am not
> sure if this is being done correctly. Second, your call to "plt.close()"
> assumes that the figure you want to close is the currently active figure.
> What you want to call is "plt.close(self.figure)" in order to make sure it
> closes the figure you intend to close.
>
> Ben Root
>
>
>
>
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