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WeatherGodWeatherGod
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Merge pull request #4848 from ericmjl/mep12_newscalarformatter_demo.py
Mep12 newscalarformatter demo.py
2 parents 42a143c + b8f3e64 commit 2c95107

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‎examples/pylab_examples/newscalarformatter_demo.py

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#!/usr/bin/env python
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# Demonstrating the improvements and options of the proposed new ScalarFormatter
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from pylab import *
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from matplotlib.ticker import OldScalarFormatter
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x = frange(0, 1, .01)
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f = figure(figsize=(6, 6))
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f.text(0.5, 0.975, 'The old formatter', horizontalalignment='center', verticalalignment='top')
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subplot(221)
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plot(x*1e5 + 1e10, x*1e-10 + 1e-5)
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gca().xaxis.set_major_formatter(OldScalarFormatter())
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gca().yaxis.set_major_formatter(OldScalarFormatter())
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subplot(222)
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plot(x*1e5, x*1e-4)
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gca().xaxis.set_major_formatter(OldScalarFormatter())
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gca().yaxis.set_major_formatter(OldScalarFormatter())
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subplot(223)
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plot(-x*1e5 - 1e10, -x*1e-5 - 1e-10)
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gca().xaxis.set_major_formatter(OldScalarFormatter())
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gca().yaxis.set_major_formatter(OldScalarFormatter())
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subplot(224)
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plot(-x*1e5, -x*1e-4)
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gca().xaxis.set_major_formatter(OldScalarFormatter())
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gca().yaxis.set_major_formatter(OldScalarFormatter())
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x = frange(0, 1, .01)
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f = figure(figsize=(6, 6))
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f.text(0.5, 0.975, 'The new formatter, default settings', horizontalalignment='center',
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verticalalignment='top')
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subplot(221)
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plot(x*1e5 + 1e10, x*1e-10 + 1e-5)
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gca().xaxis.set_major_formatter(ScalarFormatter())
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gca().yaxis.set_major_formatter(ScalarFormatter())
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subplot(222)
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plot(x*1e5, x*1e-4)
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gca().xaxis.set_major_formatter(ScalarFormatter())
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gca().yaxis.set_major_formatter(ScalarFormatter())
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subplot(223)
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plot(-x*1e5 - 1e10, -x*1e-5 - 1e-10)
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gca().xaxis.set_major_formatter(ScalarFormatter())
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gca().yaxis.set_major_formatter(ScalarFormatter())
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subplot(224)
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plot(-x*1e5, -x*1e-4)
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gca().xaxis.set_major_formatter(ScalarFormatter())
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gca().yaxis.set_major_formatter(ScalarFormatter())
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x = frange(0, 1, .01)
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f = figure(figsize=(6, 6))
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f.text(0.5, 0.975, 'The new formatter, no numerical offset', horizontalalignment='center',
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verticalalignment='top')
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subplot(221)
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plot(x*1e5 + 1e10, x*1e-10 + 1e-5)
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gca().xaxis.set_major_formatter(ScalarFormatter(useOffset=False))
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gca().yaxis.set_major_formatter(ScalarFormatter(useOffset=False))
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subplot(222)
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plot(x*1e5, x*1e-4)
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gca().xaxis.set_major_formatter(ScalarFormatter(useOffset=False))
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gca().yaxis.set_major_formatter(ScalarFormatter(useOffset=False))
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subplot(223)
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plot(-x*1e5 - 1e10, -x*1e-5 - 1e-10)
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gca().xaxis.set_major_formatter(ScalarFormatter(useOffset=False))
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gca().yaxis.set_major_formatter(ScalarFormatter(useOffset=False))
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subplot(224)
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plot(-x*1e5, -x*1e-4)
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gca().xaxis.set_major_formatter(ScalarFormatter(useOffset=False))
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gca().yaxis.set_major_formatter(ScalarFormatter(useOffset=False))
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x = frange(0, 1, .01)
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f = figure(figsize=(6, 6))
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f.text(0.5, 0.975, 'The new formatter, with mathtext', horizontalalignment='center',
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verticalalignment='top')
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subplot(221)
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plot(x*1e5 + 1e10, x*1e-10 + 1e-5)
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gca().xaxis.set_major_formatter(ScalarFormatter(useMathText=True))
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gca().yaxis.set_major_formatter(ScalarFormatter(useMathText=True))
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subplot(222)
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plot(x*1e5, x*1e-4)
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gca().xaxis.set_major_formatter(ScalarFormatter(useMathText=True))
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gca().yaxis.set_major_formatter(ScalarFormatter(useMathText=True))
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subplot(223)
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plot(-x*1e5 - 1e10, -x*1e-5 - 1e-10)
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gca().xaxis.set_major_formatter(ScalarFormatter(useMathText=True))
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gca().yaxis.set_major_formatter(ScalarFormatter(useMathText=True))
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subplot(224)
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plot(-x*1e5, -x*1e-4)
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gca().xaxis.set_major_formatter(ScalarFormatter(useMathText=True))
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gca().yaxis.set_major_formatter(ScalarFormatter(useMathText=True))
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show()
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import matplotlib.pyplot as plt
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import numpy as np
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from matplotlib.ticker import OldScalarFormatter, ScalarFormatter
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# Example 1
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x = np.arange(0, 1, .01)
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fig, [[ax1, ax2], [ax3, ax4]] = plt.subplots(2, 2, figsize=(6, 6))
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fig.text(0.5, 0.975, 'The old formatter',
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horizontalalignment='center', verticalalignment='top')
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ax1.plot(x * 1e5 + 1e10, x * 1e-10 + 1e-5)
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ax1.xaxis.set_major_formatter(OldScalarFormatter())
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ax1.yaxis.set_major_formatter(OldScalarFormatter())
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ax2.plot(x * 1e5, x * 1e-4)
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ax2.xaxis.set_major_formatter(OldScalarFormatter())
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ax2.yaxis.set_major_formatter(OldScalarFormatter())
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ax3.plot(-x * 1e5 - 1e10, -x * 1e-5 - 1e-10)
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ax3.xaxis.set_major_formatter(OldScalarFormatter())
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ax3.yaxis.set_major_formatter(OldScalarFormatter())
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ax4.plot(-x * 1e5, -x * 1e-4)
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ax4.xaxis.set_major_formatter(OldScalarFormatter())
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ax4.yaxis.set_major_formatter(OldScalarFormatter())
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# Example 2
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x = np.arange(0, 1, .01)
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fig, [[ax1, ax2], [ax3, ax4]] = plt.subplots(2, 2, figsize=(6, 6))
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fig.text(0.5, 0.975, 'The new formatter, default settings',
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horizontalalignment='center',
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verticalalignment='top')
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ax1.plot(x * 1e5 + 1e10, x * 1e-10 + 1e-5)
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ax1.xaxis.set_major_formatter(ScalarFormatter())
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ax1.yaxis.set_major_formatter(ScalarFormatter())
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ax2.plot(x * 1e5, x * 1e-4)
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ax2.xaxis.set_major_formatter(ScalarFormatter())
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ax2.yaxis.set_major_formatter(ScalarFormatter())
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ax3.plot(-x * 1e5 - 1e10, -x * 1e-5 - 1e-10)
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ax3.xaxis.set_major_formatter(ScalarFormatter())
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ax3.yaxis.set_major_formatter(ScalarFormatter())
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ax4.plot(-x * 1e5, -x * 1e-4)
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ax4.xaxis.set_major_formatter(ScalarFormatter())
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ax4.yaxis.set_major_formatter(ScalarFormatter())
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# Example 3
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x = np.arange(0, 1, .01)
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fig, [[ax1, ax2], [ax3, ax4]] = plt.subplots(2, 2, figsize=(6, 6))
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fig.text(0.5, 0.975, 'The new formatter, no numerical offset',
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horizontalalignment='center',
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verticalalignment='top')
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ax1.plot(x * 1e5 + 1e10, x * 1e-10 + 1e-5)
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ax1.xaxis.set_major_formatter(ScalarFormatter(useOffset=False))
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ax1.yaxis.set_major_formatter(ScalarFormatter(useOffset=False))
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ax2.plot(x * 1e5, x * 1e-4)
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ax2.xaxis.set_major_formatter(ScalarFormatter(useOffset=False))
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ax2.yaxis.set_major_formatter(ScalarFormatter(useOffset=False))
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ax3.plot(-x * 1e5 - 1e10, -x * 1e-5 - 1e-10)
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ax3.xaxis.set_major_formatter(ScalarFormatter(useOffset=False))
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ax3.yaxis.set_major_formatter(ScalarFormatter(useOffset=False))
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ax4.plot(-x * 1e5, -x * 1e-4)
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ax4.xaxis.set_major_formatter(ScalarFormatter(useOffset=False))
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ax4.yaxis.set_major_formatter(ScalarFormatter(useOffset=False))
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# Example 4
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x = np.arange(0, 1, .01)
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fig, [[ax1, ax2], [ax3, ax4]] = plt.subplots(2, 2, figsize=(6, 6))
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fig.text(0.5, 0.975, 'The new formatter, with mathtext',
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horizontalalignment='center',
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verticalalignment='top')
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ax1.plot(x * 1e5 + 1e10, x * 1e-10 + 1e-5)
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ax1.xaxis.set_major_formatter(ScalarFormatter(useMathText=True))
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ax1.yaxis.set_major_formatter(ScalarFormatter(useMathText=True))
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ax2.plot(x * 1e5, x * 1e-4)
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ax2.xaxis.set_major_formatter(ScalarFormatter(useMathText=True))
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ax2.yaxis.set_major_formatter(ScalarFormatter(useMathText=True))
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ax3.plot(-x * 1e5 - 1e10, -x * 1e-5 - 1e-10)
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ax3.xaxis.set_major_formatter(ScalarFormatter(useMathText=True))
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ax3.yaxis.set_major_formatter(ScalarFormatter(useMathText=True))
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ax4.plot(-x * 1e5, -x * 1e-4)
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ax4.xaxis.set_major_formatter(ScalarFormatter(useMathText=True))
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ax4.yaxis.set_major_formatter(ScalarFormatter(useMathText=True))
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plt.show()

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