Feb 25, 2025 · Feb 22, 2025 · Feb 25, 2025 · Feb 25, 2025 · Feb 25, 2025 · Feb 25, 2025
diff --git a/galleries/examples/text_labels_and_annotations/figlegend_demo.py b/galleries/examples/text_labels_and_annotations/figlegend_demo.py
 Figure legend demo
 ==================

 Instead of plotting a legend on each axis, a legend for all the artists on all
 the sub-axes of a figure can be plotted instead.
 Rather than plotting a legend on each axis, a legend for all the artists
 on allthe sub-axes of a figure can be plotted instead.
 """

 import matplotlib.pyplot as plt
 import numpy as np

 fig, axs = plt.subplots(1, 2)

 x = np.arange(0.0, 2.0, 0.02)
 y1 = np.sin(2 * np.pi * x)
 y2 = np.exp(-x)
 l1, = axs[0].plot(x, y1)
 l2, = axs[0].plot(x, y2, marker='o')
 fig, axs = plt.subplots(1, 2, layout='constrained')

 y3 = np.sin(4 * np.pi * x)
 y4 = np.exp(-2 * x)
 l3, = axs[1].plot(x, y3, color='tab:green')
 l4, = axs[1].plot(x, y4, color='tab:red', marker='^')
 x = np.arange(0.0, 4*np.pi, 0.2)
 axs[0].plot(x, np.sin(x), label='Line 1')
 axs[0].plot(x, np.exp(-x/2), marker='o', label='Line 2')
 axs[1].plot(x, np.sin(x), color='tab:green', label='Line 3')
 axs[1].plot(x, np.exp(-x/4), color='tab:red', marker='^', label='Line 4')

 fig.legend((l1, l2), ('Line 1', 'Line 2'), loc='upper left')
 fig.legend((l3, l4), ('Line 3', 'Line 4'), loc='upper right')
 fig.legend(loc='outside right upper')

 plt.tight_layout()
 plt.show()

 # %%
 # Sometimes we do not want the legend to overlap the Axes.  If you use
 # *constrained layout* you can specify "outside right upper", and
 # *constrained layout* will make room for the legend.

 fig, axs = plt.subplots(1, 2, layout='constrained')

 x = np.arange(0.0, 2.0, 0.02)
 y1 = np.sin(2 * np.pi * x)
 y2 = np.exp(-x)
 l1, = axs[0].plot(x, y1)
 l2, = axs[0].plot(x, y2, marker='o')

 y3 = np.sin(4 * np.pi * x)
 y4 = np.exp(-2 * x)
 l3, = axs[1].plot(x, y3, color='tab:green')
 l4, = axs[1].plot(x, y4, color='tab:red', marker='^')

 fig.legend((l1, l2), ('Line 1', 'Line 2'), loc='upper left')
 fig.legend((l3, l4), ('Line 3', 'Line 4'), loc='outside right upper')

 plt.show()
 # The outside positioning is discussed in detail here:
 # https://matplotlib.org/stable/users/explain/axes/legend_guide.html#figure-legends
Original file line number	Diff line number	Diff line change
Expand Up		@@ -3,51 +3,25 @@
		Figure legend demo
		==================

		Instead of plotting a legend on each axis, a legend for all the artists on all
		the sub-axes of a figure can be plotted instead.
		Rather than plotting a legend on each axis, a legend for all the artists
		on allthe sub-axes of a figure can be plotted instead.
		"""

		import matplotlib.pyplot as plt
		import numpy as np

		fig, axs = plt.subplots(1, 2)

		x = np.arange(0.0, 2.0, 0.02)
		y1 = np.sin(2 * np.pi * x)
		y2 = np.exp(-x)
		l1, = axs[0].plot(x, y1)
		l2, = axs[0].plot(x, y2, marker='o')
		fig, axs = plt.subplots(1, 2, layout='constrained')
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		y3 = np.sin(4 * np.pi * x)
		y4 = np.exp(-2 * x)
		l3, = axs[1].plot(x, y3, color='tab:green')
		l4, = axs[1].plot(x, y4, color='tab:red', marker='^')
		x = np.arange(0.0, 4*np.pi, 0.2)
		axs[0].plot(x, np.sin(x), label='Line 1')
		axs[0].plot(x, np.exp(-x/2), marker='o', label='Line 2')
		axs[1].plot(x, np.sin(x), color='tab:green', label='Line 3')
		axs[1].plot(x, np.exp(-x/4), color='tab:red', marker='^', label='Line 4')

		fig.legend((l1, l2), ('Line 1', 'Line 2'), loc='upper left')
		fig.legend((l3, l4), ('Line 3', 'Line 4'), loc='upper right')
		fig.legend(loc='outside right upper')

		plt.tight_layout()
		plt.show()

		# %%
		# Sometimes we do not want the legend to overlap the Axes. If you use
		# constrained layout you can specify "outside right upper", and
		# constrained layout will make room for the legend.

		fig, axs = plt.subplots(1, 2, layout='constrained')

		x = np.arange(0.0, 2.0, 0.02)
		y1 = np.sin(2 * np.pi * x)
		y2 = np.exp(-x)
		l1, = axs[0].plot(x, y1)
		l2, = axs[0].plot(x, y2, marker='o')

		y3 = np.sin(4 * np.pi * x)
		y4 = np.exp(-2 * x)
		l3, = axs[1].plot(x, y3, color='tab:green')
		l4, = axs[1].plot(x, y4, color='tab:red', marker='^')

		fig.legend((l1, l2), ('Line 1', 'Line 2'), loc='upper left')
		fig.legend((l3, l4), ('Line 3', 'Line 4'), loc='outside right upper')

		plt.show()
		# The outside positioning is discussed in detail here:
		# https://matplotlib.org/stable/users/explain/axes/legend_guide.html#figure-legends