thorstenkranz wrote:
> Hi everyone,
>
> I'm new here and I have a question ( I guess as everybody who is new
> here ;-) ),
>
> I'm having some strange problem with Matplotlib, using it in a Tkinter
> application.
>
> I create a Canvas, a figure, subplot and then a toolbar. It works
> fine, but only without the toolbar! When I want to add the toolbar, I
> get an error
>
> File "./tkViewer.py", line 102, in setupGUI
> self.toolbar = NavigationToolbar2TkAgg( self.canvas, master )
> File "/usr/lib/python2.4/site-packages/matplotlib/backends/
> backend_tkagg.py", line 537, in __init__
> NavigationToolbar2.__init__(self, canvas)
> File "/usr/lib/python2.4/site-packages/matplotlib/backend_bases.py",
> line 1107, in __init__
> self._init_toolbar()
> File "/usr/lib/python2.4/site-packages/matplotlib/backends/
> backend_tkagg.py", line 577, in _init_toolbar
> borderwidth=2)
> File "/usr/lib/python2.4/lib-tk/Tkinter.py", line 2378, in __init__
> Widget.__init__(self, master, 'frame', cnf, {}, extra)
> File "/usr/lib/python2.4/lib-tk/Tkinter.py", line 1865, in __init__
> self.tk.call(
> _tkinter.TclError: bad screen distance "500.0"
>
> Here is the part my code:
>
> self.canvFrame = Frame(master)
> self.canvFrame.pack(side=TOP, fill=BOTH, expand=1)
> self.canvFrame2 = Frame(self.canvFrame)
> self.canvFrame2.pack(side=LEFT, fill=BOTH, expand=1)
> self.f = Figure(figsize=(5,4), dpi=100)
> self.a = self.f.add_subplot(111)
> self.subplAxis = self.f.get_axes()
> self.canvas = FigureCanvasTkAgg(self.f,
> master=self.canvFrame2)
> self.canvas.show()
> self.canvas.get_tk_widget().pack(side=TOP, fill=BOTH,
> expand=1)
> self.toolbar = NavigationToolbar2TkAgg( self.canvas,
> self.canvFrame2 )
> self.toolbar.update()
> self.canvas._tkcanvas.pack(side=TOP, fill=X, expand=1)
>
>
> master is a parameter passed to my method, which actually is set to
> Tk()
>
> What did I get wrong? What is the problem? Thanks in advance...
>
> Thorsten
>
Just prior to "self.toolbar = ...", try :
master.winfo_toplevel().update_idletasks()
James
--
http://mail.python.org/mailman/listinfo/python-list
