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Commit 932d469

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dstansbydstansby
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Merge pull request matplotlib#8254 from yinleon/units
Adding headers for examples/units for MEP12/sphinx-gallery compliance
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‎examples/units/annotate_with_units.py

Copy file name to clipboardExpand all lines: examples/units/annotate_with_units.py
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"""
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=====================
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Annotation with units
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=====================
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The example illustrates how to create text and arrow
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annotations using a centimeter-scale plot.
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"""
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import matplotlib.pyplot as plt
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from basic_units import cm
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‎examples/units/artist_tests.py

Copy file name to clipboardExpand all lines: examples/units/artist_tests.py
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"""
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============
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Artist tests
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============
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Test unit support with each of the matplotlib primitive artist types
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The axes handles unit conversions and the artists keep a pointer to
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their axes parent, so you must init the artists with the axes instance
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if you want to initialize them with unit data, or else they will not
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know how to convert the units to scalars
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know how to convert the units to scalars.
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"""
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import random
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import matplotlib.lines as lines
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ax.add_collection(lc)
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# test a plain-ol-line
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line = lines.Line2D([0*cm, 1.5*cm], [0*cm, 2.5*cm], lw=2, color='black', axes=ax)
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line = lines.Line2D(
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[0*cm, 1.5*cm], [0*cm, 2.5*cm], lw=2, color='black', axes=ax)
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ax.add_line(line)
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if 0:
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# test a patch
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# Not supported at present.
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rect = patches.Rectangle((1*cm, 1*cm), width=5*cm, height=2*cm, alpha=0.2, axes=ax)
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rect = patches.Rectangle(
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(1*cm, 1*cm), width=5*cm, height=2*cm, alpha=0.2, axes=ax)
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ax.add_patch(rect)
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ax.set_xlim(-1*cm, 10*cm)
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ax.set_ylim(-1*cm, 10*cm)
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#ax.xaxis.set_units(inch)
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# ax.xaxis.set_units(inch)
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ax.grid(True)
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ax.set_title("Artists with units")
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plt.show()

‎examples/units/bar_demo2.py

Copy file name to clipboardExpand all lines: examples/units/bar_demo2.py
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"""
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===================
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Bar demo with units
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===================
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plot using a variety of cm vs inches conversions. The example shows
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how default unit instrospection works (ax1), how various keywords can
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be used to set the x and y units to override the defaults (ax2, ax3,
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ax4 = fig.add_subplot(2, 2, 4)
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ax4.bar(cms, cms, bottom=bottom, width=width, xunits=inch, yunits=inch)
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#fig.savefig('simple_conversion_plot.png')
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# fig.savefig('simple_conversion_plot.png')
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ax4.set_xlim(2*cm, 6*cm) # cm are converted to inches
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plt.show()

‎examples/units/bar_unit_demo.py

Copy file name to clipboardExpand all lines: examples/units/bar_unit_demo.py
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"""
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=========================
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Group barchart with units
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=========================
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This is the same example as
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<a href='http://matplotlib.org/examples/api/barchart_demo.html'>
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the barchart demo</a> in centimeters.
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"""
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import numpy as np
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from basic_units import cm, inch
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import matplotlib.pyplot as plt
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womenMeans = (145*cm, 149*cm, 172*cm, 165*cm, 200*cm)
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womenStd = (30*cm, 25*cm, 20*cm, 31*cm, 22*cm)
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p2 = ax.bar(ind + width, womenMeans, width, color='y', bottom=0*cm, yerr=womenStd)
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p2 = ax.bar(ind + width, womenMeans, width,
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color='y', bottom=0*cm, yerr=womenStd)
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ax.set_title('Scores by group and gender')
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ax.set_xticks(ind + width / 2)
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ax.yaxis.set_units(inch)
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ax.autoscale_view()
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#plt.savefig('barchart_demo')
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plt.show()

‎examples/units/evans_test.py

Copy file name to clipboardExpand all lines: examples/units/evans_test.py
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"""
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==========
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Evans test
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==========
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A mockup "Foo" units class which supports
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conversion and different tick formatting depending on the "unit".
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Here the "unit" is just a scalar conversion factor, but this example shows mpl is
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entirely agnostic to what kind of units client packages use
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Here the "unit" is just a scalar conversion factor, but this example shows mpl
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is entirely agnostic to what kind of units client packages use.
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"""
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from matplotlib.cbook import iterable
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import matplotlib.units as units
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else:
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return x.unit
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units.registry[Foo] = FooConverter()
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# create some Foos

‎examples/units/radian_demo.py

Copy file name to clipboardExpand all lines: examples/units/radian_demo.py
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"""
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============
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Radian ticks
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============
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Plot with radians from the basic_units mockup example package
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This example shows how the unit class can determine the tick locating,
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formatting and axis labeling.

‎examples/units/units_sample.py

Copy file name to clipboardExpand all lines: examples/units/units_sample.py
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"""
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plot using a variety of cm vs inches conversions. The example shows
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how default unit introspection works (ax1), how various keywords can
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be used to set the x and y units to override the defaults (ax2, ax3,
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ax4) and how one can set the xlimits using scalars (ax3, current units
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assumed) or units (conversions applied to get the numbers to current
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units)
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======================
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Inches and Centimeters
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======================
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The example illustrates the ability to override default x and y units (ax1) to
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inches and centimeters using the `xunits` and `yunits` parameters for the
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`plot` function. Note that conversions are applied to get numbers to correct
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units.
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"""
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from basic_units import cm, inch
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ax4 = fig.add_subplot(2, 2, 4)
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ax4.plot(cms, cms, xunits=inch, yunits=inch)
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#fig.savefig('simple_conversion_plot.png')
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ax4.set_xlim(3*cm, 6*cm) # cm are converted to inches
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plt.show()

‎examples/units/units_scatter.py

Copy file name to clipboardExpand all lines: examples/units/units_scatter.py
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"""
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Demonstrate unit handling
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=============
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Unit handling
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=============
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basic_units is a mockup of a true units package used for testing
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purposed, which illustrates the basic interface that a units package

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