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"""
====================
Usetex text baseline
====================
Comparison of text baselines computed for mathtext and usetex.
"""
import matplotlib.pyplot as plt
plt.rcParams.update({"mathtext.fontset": "cm", "mathtext.rm": "serif"})
axs = plt.figure(figsize=(2 * 3, 6.5)).subplots(1, 2)
for ax, usetex in zip(axs, [False, True]):
ax.axvline(0, color="r")
test_strings = ["lg", r"$\frac{1}{2}\pi$", r"$p^{3^A}$", r"$p_{3_2}$"]
for i, s in enumerate(test_strings):
ax.axhline(i, color="r")
ax.text(0., 3 - i, s,
usetex=usetex,
verticalalignment="baseline",
size=50,
bbox=dict(pad=0, ec="k", fc="none"))
ax.set(xlim=(-0.1, 1.1), ylim=(-.8, 3.9), xticks=[], yticks=[],
title=f"usetex={usetex}\n")
plt.show()
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