Re: [Matplotlib-users] does mpl.canvas has a flag "needsdrawing"?

[Jae-Joon L. <lee...@gm...>]

My guess is that the error happens when the matplotlib tries to format
the date ticklabels when the xlim is not correctly set, i.e., [0, 1]
in the example. But, I'm not sure what is the best approach here.

Werner, if there is nothing to draw (i,e, xlim is [0,1]), change the
xlim to some arbitrary range that is greater than 1 (e.g, [1,2]). For
example, in your code, you may do something like following after
calling the autoscale_view().


        self.axes.autoscale_view()
        if self.axes.get_xlim()[0] < 1:
            self.axes.set_xlim(dates[0], dates[-1])

Regards,

-JJ


On Fri, Sep 18, 2009 at 11:41 AM, Werner F. Bruhin
<wer...@fr...> wrote:
> John Hunter wrote:
>> On Fri, Sep 18, 2009 at 8:15 AM, Werner F. Bruhin <wer...@fr...> wrote:
>>
>>> John Hunter wrote:
>>>
>>>> We want a complete, free standing example that exposes the bug, with any
>>>> additional info like mpl backend and version number.
>>>>
>>
>> Thanks -- when posting a bug, please consider taking the time to make
>> a *minimal* example.
> Sorry about that - was a bit in a hurry, but that is no excuse!
>
> Will do better next time.
>
> Thanks for anyhow having taken the time to look at it and to distill it
> down.
>
> Werner
>
>
>
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