On Thu, May 5, 2011 at 10:01 PM, C M <cmpyt...@gmail.com> wrote:
> > Because you have a py2exe'ed program, I suspect that whoever packaged the
> > program should be the one to modify that program to choose its axes
> limits
> > more robustly in order to avoid the warning message.
>
> Maybe I have been unclear. I am the sole developer of this
> application, and I occasionally test it as a py2exe'd app in
> anticipation of delivering it in that form at some point. I would be
> happy to modify the program to choose its axes limits more
> robustly--if I only knew how to do that. That is what I am asking.
> How should I do that?
>
> The data to be plotted is a very simple date plot with dates on the x
> axis and values (formatted as time) on the y axis.
>
> Che
>
Most likely, somewhere in your code, you have a call to set_ylim(), and are
likely setting it to the minimum and maximum values of the data you are
plotting. This is where the problem comes in. There are several options to
go about avoiding the problem here. One is to not call set_ylim() at all if
you have only one data point, and just let matplotlib figure out the
y-limits automatically. Another approach is to call set_ylim() with
parameters that have an explicit amount of padding, like the following:
ax.set_ylim(y.min() - 0.5, y.max() + 0.5)
This way, you are guaranteed that the top and bottom limits will never be
the same. The best approach is up to you.
I hope that helps!
Ben Root
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