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 <jsw...@fastmail.fm> 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 <module> >> from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg, >> NavigationToolbar2TkAgg >> File >> "/Users/jshine/Documents/root/matplotlib/lib/python/matplotlib/backends/backend_tkagg.py", >> line 8, in <module> >> import tkagg # Paint image to Tk photo blitter >> extension >> File >> "/Users/jshine/Documents/root/matplotlib/lib/python/matplotlib/backends/tkagg.py", >> line 1, in <module> >> 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: ...@macports.org, openmaintai...@macports.org >> 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 : jeffrey.s.whita...@noaa.gov > 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 jtomsh...@gmail.com ------------------------------------------------------------------------------ Come build with us! The BlackBerry® Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9-12, 2009. Register now! http://p.sf.net/sfu/devconf _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
