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"""
======================
Inches and centimeters
======================
The example illustrates the ability to override default x and y units (ax1) to
inches and centimeters using the *xunits* and *yunits* parameters for the
`~.axes.Axes.plot` function. Note that conversions are applied to get numbers
to correct units.
.. only:: builder_html
This example requires :download:`basic_units.py <basic_units.py>`
"""
from basic_units import cm, inch
import matplotlib.pyplot as plt
import numpy as np
cms = cm * np.arange(0, 10, 2)
fig, axs = plt.subplots(2, 2, layout='constrained')
axs[0, 0].plot(cms, cms)
axs[0, 1].plot(cms, cms, xunits=cm, yunits=inch)
axs[1, 0].plot(cms, cms, xunits=inch, yunits=cm)
axs[1, 0].set_xlim(-1, 4) # scalars are interpreted in current units
axs[1, 1].plot(cms, cms, xunits=inch, yunits=inch)
axs[1, 1].set_xlim(3*cm, 6*cm) # cm are converted to inches
plt.show()
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