On Wed, Mar 24, 2010 at 1:25 PM, Tom Kuiper <kui...@jpl.nasa.gov> wrote:
> Greetings, everyone.
>
> I have some time tagged data spanning about three minutes with 4 ms
> resolution. If I plot these with plot_data and focus in on some event
> at high resolution I lose the tick marks. It seems that the minimum
> tick spacing is 1 sec. That appears consistent with strftime which does
> not provide for fractional seconds.
>
> I thought I saw this issue go by not long ago but I don't recall the
> solution, if any.
>
> I'm using python 2.5.2 and matplotlib 1.1.0.
>
> Thanks and regards,
>
> Tom
>
Hi,
As far as I know SecondLocator() is the smallest it gets for time-date
plotting in matplotlib. Probably a new class needs to be written for
MilliSecondLocator() in dates.py
Alternatively, you might use just floating-point version of your time values
and with a little adjustment (Ryan mentioned this in the recently, and will
forward there for other suggestions) millisecond resolutions should be
visible when zoomed in furthest.
Something like:
sci_fmt = plt.FormatStrFormatter("%.2f")
plt.gca().xaxis.set_major_formatter(sci_fmt)
By the way, where did you get mpl v1.1.0? Mine says:
In[19]: matplotlib.__version__
Out[19]: '1.0.svn'
--
Gökhan
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