.. _pylab_examples-newscalarformatter_demo: pylab_examples example code: newscalarformatter_demo.py ======================================================= .. plot:: /home/tcaswell/source/p/matplotlib/doc/mpl_examples/pylab_examples/newscalarformatter_demo.py :: import matplotlib.pyplot as plt import numpy as np from matplotlib.ticker import OldScalarFormatter, ScalarFormatter # Example 1 x = np.arange(0, 1, .01) fig, [[ax1, ax2], [ax3, ax4]] = plt.subplots(2, 2, figsize=(6, 6)) fig.text(0.5, 0.975, 'The old formatter', horizontalalignment='center', verticalalignment='top') ax1.plot(x * 1e5 + 1e10, x * 1e-10 + 1e-5) ax1.xaxis.set_major_formatter(OldScalarFormatter()) ax1.yaxis.set_major_formatter(OldScalarFormatter()) ax2.plot(x * 1e5, x * 1e-4) ax2.xaxis.set_major_formatter(OldScalarFormatter()) ax2.yaxis.set_major_formatter(OldScalarFormatter()) ax3.plot(-x * 1e5 - 1e10, -x * 1e-5 - 1e-10) ax3.xaxis.set_major_formatter(OldScalarFormatter()) ax3.yaxis.set_major_formatter(OldScalarFormatter()) ax4.plot(-x * 1e5, -x * 1e-4) ax4.xaxis.set_major_formatter(OldScalarFormatter()) ax4.yaxis.set_major_formatter(OldScalarFormatter()) fig.subplots_adjust(wspace=0.7, hspace=0.6) # Example 2 x = np.arange(0, 1, .01) fig, [[ax1, ax2], [ax3, ax4]] = plt.subplots(2, 2, figsize=(6, 6)) fig.text(0.5, 0.975, 'The new formatter, default settings', horizontalalignment='center', verticalalignment='top') ax1.plot(x * 1e5 + 1e10, x * 1e-10 + 1e-5) ax1.xaxis.set_major_formatter(ScalarFormatter()) ax1.yaxis.set_major_formatter(ScalarFormatter()) ax2.plot(x * 1e5, x * 1e-4) ax2.xaxis.set_major_formatter(ScalarFormatter()) ax2.yaxis.set_major_formatter(ScalarFormatter()) ax3.plot(-x * 1e5 - 1e10, -x * 1e-5 - 1e-10) ax3.xaxis.set_major_formatter(ScalarFormatter()) ax3.yaxis.set_major_formatter(ScalarFormatter()) ax4.plot(-x * 1e5, -x * 1e-4) ax4.xaxis.set_major_formatter(ScalarFormatter()) ax4.yaxis.set_major_formatter(ScalarFormatter()) fig.subplots_adjust(wspace=0.7, hspace=0.6) # Example 3 x = np.arange(0, 1, .01) fig, [[ax1, ax2], [ax3, ax4]] = plt.subplots(2, 2, figsize=(6, 6)) fig.text(0.5, 0.975, 'The new formatter, no numerical offset', horizontalalignment='center', verticalalignment='top') ax1.plot(x * 1e5 + 1e10, x * 1e-10 + 1e-5) ax1.xaxis.set_major_formatter(ScalarFormatter(useOffset=False)) ax1.yaxis.set_major_formatter(ScalarFormatter(useOffset=False)) ax2.plot(x * 1e5, x * 1e-4) ax2.xaxis.set_major_formatter(ScalarFormatter(useOffset=False)) ax2.yaxis.set_major_formatter(ScalarFormatter(useOffset=False)) ax3.plot(-x * 1e5 - 1e10, -x * 1e-5 - 1e-10) ax3.xaxis.set_major_formatter(ScalarFormatter(useOffset=False)) ax3.yaxis.set_major_formatter(ScalarFormatter(useOffset=False)) ax4.plot(-x * 1e5, -x * 1e-4) ax4.xaxis.set_major_formatter(ScalarFormatter(useOffset=False)) ax4.yaxis.set_major_formatter(ScalarFormatter(useOffset=False)) fig.subplots_adjust(wspace=0.7, hspace=0.6) # Example 4 x = np.arange(0, 1, .01) fig, [[ax1, ax2], [ax3, ax4]] = plt.subplots(2, 2, figsize=(6, 6)) fig.text(0.5, 0.975, 'The new formatter, with mathtext', horizontalalignment='center', verticalalignment='top') ax1.plot(x * 1e5 + 1e10, x * 1e-10 + 1e-5) ax1.xaxis.set_major_formatter(ScalarFormatter(useMathText=True)) ax1.yaxis.set_major_formatter(ScalarFormatter(useMathText=True)) ax2.plot(x * 1e5, x * 1e-4) ax2.xaxis.set_major_formatter(ScalarFormatter(useMathText=True)) ax2.yaxis.set_major_formatter(ScalarFormatter(useMathText=True)) ax3.plot(-x * 1e5 - 1e10, -x * 1e-5 - 1e-10) ax3.xaxis.set_major_formatter(ScalarFormatter(useMathText=True)) ax3.yaxis.set_major_formatter(ScalarFormatter(useMathText=True)) ax4.plot(-x * 1e5, -x * 1e-4) ax4.xaxis.set_major_formatter(ScalarFormatter(useMathText=True)) ax4.yaxis.set_major_formatter(ScalarFormatter(useMathText=True)) fig.subplots_adjust(wspace=0.7, hspace=0.6) plt.show() Keywords: python, matplotlib, pylab, example, codex (see :ref:`how-to-search-examples`)