If it hasn't been fixed, is there a workaround? On 02/08/2012 10:42 AM, Ted To wrote: > I believe I have traced it to some axhline and axis commands and this is > apparently an old problem. Does it work with version 1.1.0? I have > 1.0.1 installed on a debian system. > > On 02/08/2012 09:47 AM, Ted To wrote: >> Hi, >> >> I'm experiencing a very strange problem with plot_date that I can't >> figure out. >> >> pyplot.plot_date(pylab.date2num(dates),diff,'b-',label='Chained') >> pyplot.show() >> >> dates, naturally, is a list of dates and diff is an array of floats. >> With my script, this fails. But if I interactively enter dates and diff >> and then type the above commands, it works with no problems. Any ideas >> or suggestions? >> >> The traceback follows. >> >> Thanks, >> Ted >> >> Exception in Tkinter callback >> Traceback (most recent call last): >> File "/usr/lib/python2.6/lib-tk/Tkinter.py", line 1413, in __call__ >> return self.func(*args) >> File >> "/usr/lib/pymodules/python2.6/matplotlib/backends/backend_tkagg.py", >> line 245, in resize >> self.show() >> File >> "/usr/lib/pymodules/python2.6/matplotlib/backends/backend_tkagg.py", >> line 248, in draw >> FigureCanvasAgg.draw(self) >> File >> "/usr/lib/pymodules/python2.6/matplotlib/backends/backend_agg.py", line >> 394, in draw >> self.figure.draw(self.renderer) >> File "/usr/lib/pymodules/python2.6/matplotlib/artist.py", line 55, in >> draw_wrapper >> draw(artist, renderer, *args, **kwargs) >> File "/usr/lib/pymodules/python2.6/matplotlib/figure.py", line 798, in >> draw >> func(*args) >> File "/usr/lib/pymodules/python2.6/matplotlib/artist.py", line 55, in >> draw_wrapper >> draw(artist, renderer, *args, **kwargs) >> File "/usr/lib/pymodules/python2.6/matplotlib/axes.py", line 1946, in draw >> a.draw(renderer) >> File "/usr/lib/pymodules/python2.6/matplotlib/artist.py", line 55, in >> draw_wrapper >> draw(artist, renderer, *args, **kwargs) >> File "/usr/lib/pymodules/python2.6/matplotlib/axis.py", line 971, in draw >> tick_tups = [ t for t in self.iter_ticks()] >> File "/usr/lib/pymodules/python2.6/matplotlib/axis.py", line 904, in >> iter_ticks >> majorLocs = self.major.locator() >> File "/usr/lib/pymodules/python2.6/matplotlib/dates.py", line 743, in >> __call__ >> self.refresh() >> File "/usr/lib/pymodules/python2.6/matplotlib/dates.py", line 752, in >> refresh >> dmin, dmax = self.viewlim_to_dt() >> File "/usr/lib/pymodules/python2.6/matplotlib/dates.py", line 524, in >> viewlim_to_dt >> return num2date(vmin, self.tz), num2date(vmax, self.tz) >> File "/usr/lib/pymodules/python2.6/matplotlib/dates.py", line 289, in >> num2date >> if not cbook.iterable(x): return _from_ordinalf(x, tz) >> File "/usr/lib/pymodules/python2.6/matplotlib/dates.py", line 203, in >> _from_ordinalf >> dt = datetime.datetime.fromordinal(ix) >> ValueError: ordinal must be >= 1 >> >> ------------------------------------------------------------------------------ >> Keep Your Developer Skills Current with LearnDevNow! >> The most comprehensive online learning library for Microsoft developers >> is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, >> Metro Style Apps, more. Free future releases when you subscribe now! >> http://p.sf.net/sfu/learndevnow-d2d >> _______________________________________________ >> Matplotlib-users mailing list >> Matplotlib-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/matplotlib-users > > ------------------------------------------------------------------------------ > Keep Your Developer Skills Current with LearnDevNow! > The most comprehensive online learning library for Microsoft developers > is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, > Metro Style Apps, more. Free future releases when you subscribe now! > http://p.sf.net/sfu/learndevnow-d2d > _______________________________________________ > Matplotlib-users mailing list > Matplotlib-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/matplotlib-users
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