Shared Axes

Share axes for fair comparisons and control label visibility to avoid duplication.

import matplotlib.pyplot as plt
import numpy as np

import dartwork_mpl as dm

dm.style.use("scientific")

np.random.seed(42)
x = np.linspace(0, 10, 100)

fig = plt.figure(figsize=(dm.cm2in(16), dm.cm2in(12)), dpi=300)
gs = fig.add_gridspec(
    nrows=2,
    ncols=2,
    left=0.10,
    right=0.98,
    top=0.95,
    bottom=0.08,
    wspace=0.25,
    hspace=0.45,
)

# Panel A & B: Shared x-axis
ax1 = fig.add_subplot(gs[0, 0])
ax1.plot(x, np.sin(x), color="oc.blue5", lw=0.7)
ax1.set_ylabel("Sin(x)", fontsize=dm.fs(0))
ax1.set_title("Shared X-axis", fontsize=dm.fs(1))
ax1.tick_params(labelbottom=False)

ax2 = fig.add_subplot(gs[1, 0], sharex=ax1)
ax2.plot(x, np.cos(x), color="oc.red5", lw=0.7)
ax2.set_xlabel("X", fontsize=dm.fs(0))
ax2.set_ylabel("Cos(x)", fontsize=dm.fs(0))

# Panel C & D: Shared y-axis
ax3 = fig.add_subplot(gs[0, 1])
ax3.plot(x, x**2, color="oc.green5", lw=0.7)
ax3.set_xlabel("X", fontsize=dm.fs(0))
ax3.set_ylabel("Value", fontsize=dm.fs(0))
ax3.set_title("Shared Y-axis", fontsize=dm.fs(1))

ax4 = fig.add_subplot(gs[1, 1], sharey=ax3)
ax4.plot(x, x**1.5, color="oc.violet5", lw=0.7)
ax4.set_xlabel("X", fontsize=dm.fs(0))
ax4.tick_params(labelleft=False)

dm.simple_layout(fig, gs=gs)
plt.show()