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Improve labeling in simple_axes_divider1 example. #20072

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Apr 25, 2021
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Improve labeling in simple_axes_divider1 example. #20072

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25 changes: 18 additions & 7 deletions examples/axes_grid1/simple_axes_divider1.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,17 +2,25 @@
=====================
Simple Axes Divider 1
=====================

"""

from mpl_toolkits.axes_grid1 import Size, Divider
import matplotlib.pyplot as plt


def label_axes(ax, text):
"""Place a label at the center of an axes, and remove the axis ticks."""
ax.text(.5, .5, text, transform=ax.transAxes,
horizontalalignment="center", verticalalignment="center")
ax.tick_params(bottom=False, labelbottom=False,
left=False, labelleft=False)


##############################################################################
# Fixed axes sizes; fixed paddings.

fig = plt.figure(figsize=(6, 6))
fig.suptitle("Fixed axes sizes, fixed paddings")

# Sizes are in inches.
horiz = [Size.Fixed(1.), Size.Fixed(.5), Size.Fixed(1.5), Size.Fixed(.5)]
Expand All @@ -24,17 +32,19 @@

# The rect parameter will actually be ignored and overridden by axes_locator.
ax1 = fig.add_axes(rect, axes_locator=divider.new_locator(nx=0, ny=0))
label_axes(ax1, "nx=0, ny=0")
ax2 = fig.add_axes(rect, axes_locator=divider.new_locator(nx=0, ny=2))
label_axes(ax2, "nx=0, ny=2")
ax3 = fig.add_axes(rect, axes_locator=divider.new_locator(nx=2, ny=2))
label_axes(ax3, "nx=2, ny=2")
ax4 = fig.add_axes(rect, axes_locator=divider.new_locator(nx=2, nx1=4, ny=0))

for ax in fig.axes:
ax.tick_params(labelbottom=False, labelleft=False)
label_axes(ax4, "nx=2, nx1=4, ny=0")

##############################################################################
# Axes sizes that scale with the figure size; fixed paddings.

fig = plt.figure(figsize=(6, 6))
fig.suptitle("Scalable axes sizes, fixed paddings")

horiz = [Size.Scaled(1.5), Size.Fixed(.5), Size.Scaled(1.), Size.Scaled(.5)]
vert = [Size.Scaled(1.), Size.Fixed(.5), Size.Scaled(1.5)]
Expand All @@ -45,11 +55,12 @@

# The rect parameter will actually be ignored and overridden by axes_locator.
ax1 = fig.add_axes(rect, axes_locator=divider.new_locator(nx=0, ny=0))
label_axes(ax1, "nx=0, ny=0")
ax2 = fig.add_axes(rect, axes_locator=divider.new_locator(nx=0, ny=2))
label_axes(ax2, "nx=0, ny=2")
ax3 = fig.add_axes(rect, axes_locator=divider.new_locator(nx=2, ny=2))
label_axes(ax3, "nx=2, ny=2")
ax4 = fig.add_axes(rect, axes_locator=divider.new_locator(nx=2, nx1=4, ny=0))

for ax in fig.axes:
ax.tick_params(labelbottom=False, labelleft=False)
label_axes(ax4, "nx=2, nx1=4, ny=0")

plt.show()