On Tue, Jun 22, 2010 at 2:52 PM, Fa <fay...@gmail.com> wrote:
> Hi all, I am trying to figure out how I can limit the xaxis date ranges. I
> tried set_xlim(), but that didn't work. The graph consists of dates for the
> xaxis and data for the yaxis. Currently the xaxis is showing the entire
> year's worth of months, even though there are no data for some months. This
> plot is really close to what I want, however, I need to limit the xaxis to a
> only a few months.
> weeks = matplotlib.dates.WeekdayLocator() # every year
> months = matplotlib.dates.MonthLocator() # every month
> monthsFmt = matplotlib.dates.DateFormatter('%b')
> fig = pylab.figure()
> ax = fig.add_subplot(111)
> ax.xaxis.set_major_locator(months)
> ax.xaxis.set_major_formatter(monthsFmt)
> ax.xaxis.set_minor_locator(weeks)
> pylab.bar(x,y)
set_xlim() (or pylab.xlim() ) should work just fine. You should use
the same kind of data as you used for x in your pylab.bar() call.
Personally, I've used datetime objects so the following works:
import datetime
pylab.xlim(datetime.datetime(2010, 03, 01), datetime.datetime(2010, 07, 01))
If this doesn't work for you, I'd need to see what data you're plotting with.
Ryan
--
Ryan May
Graduate Research Assistant
School of Meteorology
University of Oklahoma
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