.. _pylab_examples-major_minor_demo2: pylab_examples example code: major_minor_demo2.py ================================================= .. plot:: /home/tcaswell/other_source/matplotlib/doc/mpl_examples/pylab_examples/major_minor_demo2.py :: #!/usr/bin/env python """ Automatic tick selection for major and minor ticks. Use interactive pan and zoom to see how the tick intervals change. There will be either 4 or 5 minor tick intervals per major interval, depending on the major interval. """ import numpy as np import matplotlib.pyplot as plt from matplotlib.ticker import AutoMinorLocator # One can supply an argument to AutoMinorLocator to # specify a fixed number of minor intervals per major interval, e.g.: # minorLocator = AutoMinorLocator(2) # would lead to a single minor tick between major ticks. minorLocator = AutoMinorLocator() t = np.arange(0.0, 100.0, 0.01) s = np.sin(2*np.pi*t)*np.exp(-t*0.01) fig, ax = plt.subplots() plt.plot(t,s) ax.xaxis.set_minor_locator(minorLocator) plt.tick_params(which='both', width=2) plt.tick_params(which='major', length=7) plt.tick_params(which='minor', length=4, color='r') plt.show() Keywords: python, matplotlib, pylab, example, codex (see :ref:`how-to-search-examples`)