On Mon, Nov 5, 2012 at 12:42 PM, jim schmidt <txher...@gmail.com> wrote:
>
> fig = figure()
>
> ax = fig.add_subplot(1,1,1)
> ax.plot_date(dates, kbSec, '-')
>
> ax.xaxis.set_major_locator(WeekdayLocator(byweekday=MO))
> ax.xaxis.set_major_formatter(DateFormatter('%m-%d'))
> fig.autofmt_xdate()
> show()
The dates have to be in ordinal form (i.e. days since 1/1/1). You can
use datetime's toordinal() method for that, or
matplotlib.dates.epoch2num:
from pylab import figure, show
from matplotlib.dates import (epoch2num, WeekdayLocator,
DateFormatter, MONDAY)
# epoch dates - 10/21, 10/29, 11/5
epoch_dates = [1350792000, 1351483200, 1352091600]
# convert to ordinal form
dates = [epoch2num(d) for d in epoch_dates]
kbSec = [24.3, 32.5, 21]
fig = figure()
ax = fig.add_subplot(1,1,1)
ax.plot_date(dates, kbSec, '-')
ax.xaxis.set_major_locator(WeekdayLocator(MONDAY))
ax.xaxis.set_major_formatter(DateFormatter('%m-%d'))
fig.autofmt_xdate()
show()
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