You're right! I almost forgot that I had installed a local copy of
matplotlib a long time ago. It looks like Python was finding that
copy before it found the "correct" one. The example appears to work
now.
Thanks again,
-Jon
On Fri, Sep 25, 2009 at 2:14 PM, Jeff Whitaker wrote:
> Jonathan Tomshine wrote:
>>
>> I'm quite new to python, but am attempting to add basic plotting
>> functionality to a tk-based GUI application that is run primarily on a
>> Mac. My initial attempts at simply calling "plot" or "errorbar" from
>> within the application resulted in erratic behavior on Python
>> installed through macports on my machine with OSX 10.5 (the plot
>> appears, but the window is unresponsive), or no plot whatsoever (on a
>> friend's Mac with OSX 10.6 and Python, Numpy, and Matplotlib installed
>> through their "official" .dmg packages). All versions are current
>> (Python 2.6.2, Matplotlib 0.99.1.1).
>>
>> When looking at the matplotlib website, I attempted to run the
>> following examples:
>>
>>
>> http://matplotlib.sourceforge.net/examples/user_interfaces/embedding_in_tk.py
>>
>> http://matplotlib.sourceforge.net/examples/user_interfaces/embedding_in_tk2.py
>>
>> ...but these fail on my machine (OSX 10.5):
>> --
>>
>> udp009069uds:fret_analysis jshine$ python embedding_in_tk.py
>> Traceback (most recent call last):
>> File "embedding_in_tk.py", line 6, in
>> from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg,
>> NavigationToolbar2TkAgg
>> File
>> "/Users/jshine/Documents/root/matplotlib/lib/python/matplotlib/backends/backend_tkagg.py",
>> line 8, in
>> import tkagg # Paint image to Tk photo blitter
>> extension
>> File
>> "/Users/jshine/Documents/root/matplotlib/lib/python/matplotlib/backends/tkagg.py",
>> line 1, in
>> import _tkagg
>> ImportError: No module named _tkagg
>> udp009069uds:fret_analysis jshine$
>>
>
> Jonathan: You say you're using macports matplotlib, but that traceback does
> not point to a macports directory (which should be in /opt/local). Perhaps
> you have PYTHONPATH set so you're picking up a local installation of
> matplotlib, which was not built with tkagg support?
>
> -Jeff
>>
>> --
>>
>> For those familiar with macports, I did install it with the "tkinter"
>> option enabled:
>>
>> --
>>
>> dp009069uds:fret_analysis jshine$ port info py26-matplotlib
>> py26-matplotlib @0.99.1.1 (python, graphics, math)
>> Variants: cairo, darwin_8, ghostscript, gtk2, latex, qt4,
>> [+]tkinter, wxpython
>>
>> Description: Matplotlib is a pure python plotting library
>> with the goal of making publication quality plots using a syntax
>> familiar to matlab
>> users. The library uses numpy for handling large
>> data sets and supports a variety of output backends. This port
>> provides variants for
>> the different GUIs (gtk2, tkinter, wxpython).
>> Homepage: http://matplotlib.sourceforge.net
>>
>> Library Dependencies: python26, freetype, libpng, py26-dateutil,
>> py26-tz, py26-numpy, py26-configobj, py26-pyobjc2, py26-pyobjc2-cocoa
>> Platforms: darwin
>> License: unknown
>> Maintainers: [email protected], [email protected]
>> udp009069uds:fret_analysis jshine$
>>
>> ------
>>
>> ...so at this point, I'm pretty much stuck -- my own application
>> doesn't work, and I don't have a working example to follow. I'd
>> greatly appreciate any pointers!
>>
>> Thanks,
>> Jon
>>
>>
>
>
> --
> Jeffrey S. Whitaker Phone : (303)497-6313
> Meteorologist FAX : (303)497-6449
> NOAA/OAR/PSD R/PSD1 Email : [email protected]
> 325 Broadway Office : Skaggs Research Cntr 1D-113
> Boulder, CO, USA 80303-3328 Web : http://tinyurl.com/5telg
>
>
--
Jonathan Tomshine, PhD
University of California, San Francisco
Genentech Hall
600 16th St.
San Francisco, CA 94158-2140
[email protected]
--
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