Re: [Matplotlib-users] TkAgg problem: blank plot on MacOS

[Russell O. <ro...@uw...>]

On 10/15/14 3:19 PM, Russell Owen wrote:
> I have a polar graph that works fine on linux but is blank on MacOS
> 10.9. Here is a minimal working example (using the API because it is
> part of a larger Tkinter application):
>
> #!/usr/bin/env python2
> import Tkinter
> import matplotlib
> from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
>
> root = Tkinter.Tk()
> root["bg"] = "green" # the green should be hidden by the plot
>
> plotFig = matplotlib.figure.Figure(figsize=(5, 5), frameon=False)
> figCanvas = FigureCanvasTkAgg(plotFig, root)
> figCanvas.get_tk_widget().pack()
> axis = plotFig.add_subplot(1, 1, 1, polar=True, autoscale_on=True)
>
> r = (0.1, 0.4, 0.6, 0.8)
> theta = (0, 1.5, 3.0, 4.5) # radians, 0 to right. pi/2 up
> axis.plot(theta, r, marker="o", markeredgecolor="black", markersize=3)
> figCanvas.draw()
>
> root.mainloop()
>
>
> On MacOS 10.9 when I run this from Terminal I see a green window (rather
> than the plot I expect). When I click on the plot window to bring it to
> the front, the window turns white with a thin black border (presumably
> the plot, but with no content).
>
> Details:
> - matplotlib 1.3.1
> - Tcl/Tk 8.5.11 (for good reasons, unfortunately)
> - python.org python 2.7.6, running in 32-bit mode (due to a known issue
> with MacOS 10.9 and this old version of Tcl/Tk)
>
> Any ideas how to get the plot to show?

Looks like this is an incompatibility between Tcl/Tk 8.5.11 and MacOS 
10.9. Tcl/Tk 8.5.15 does not show the problem. Time to try to build 
8.5.17rc1 from source, I guess.

-- Russell