.. _pylab_examples-date_demo2: pylab_examples example code: date_demo2.py ========================================== .. plot:: /home/mdboom/Work/builds/matplotlib/doc/mpl_examples/pylab_examples/date_demo2.py :: #!/usr/bin/env python """ Show how to make date plots in matplotlib using date tick locators and formatters. See major_minor_demo1.py for more information on controlling major and minor ticks """ from __future__ import print_function import datetime import matplotlib.pyplot as plt from matplotlib.dates import MONDAY from matplotlib.finance import quotes_historical_yahoo from matplotlib.dates import MonthLocator, WeekdayLocator, DateFormatter date1 = datetime.date( 2002, 1, 5 ) date2 = datetime.date( 2003, 12, 1 ) # every monday mondays = WeekdayLocator(MONDAY) # every 3rd month months = MonthLocator(range(1,13), bymonthday=1, interval=3) monthsFmt = DateFormatter("%b '%y") quotes = quotes_historical_yahoo('INTC', date1, date2) if len(quotes) == 0: print ('Found no quotes') raise SystemExit dates = [q[0] for q in quotes] opens = [q[1] for q in quotes] fig, ax = plt.subplots() ax.plot_date(dates, opens, '-') ax.xaxis.set_major_locator(months) ax.xaxis.set_major_formatter(monthsFmt) ax.xaxis.set_minor_locator(mondays) ax.autoscale_view() #ax.xaxis.grid(False, 'major') #ax.xaxis.grid(True, 'minor') ax.grid(True) fig.autofmt_xdate() plt.show() Keywords: python, matplotlib, pylab, example, codex (see :ref:`how-to-search-examples`)