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    <p>The <code>loc</code> determines the location of the zoomed axis, 1 for <code>upper right</code>, 2 for <code>upper left</code> and so on. I modified the example code slightly to generate multiple zoomed axis.</p> <pre><code>import matplotlib.pyplot as plt from mpl_toolkits.axes_grid1.inset_locator import zoomed_inset_axes from mpl_toolkits.axes_grid1.inset_locator import mark_inset import numpy as np def get_demo_image(): from matplotlib.cbook import get_sample_data import numpy as np f = get_sample_data("axes_grid/bivariate_normal.npy", asfileobj=False) z = np.load(f) # z is a numpy array of 15x15 return z, (-3,4,-4,3) fig = plt.figure(1, [5,4]) ax = fig.add_subplot(111) # prepare the demo image Z, extent = get_demo_image() Z2 = np.zeros([150, 150], dtype="d") ny, nx = Z.shape Z2[30:30+ny, 30:30+nx] = Z # extent = [-3, 4, -4, 3] ax.imshow(Z2, extent=extent, interpolation="nearest", origin="lower") axins = zoomed_inset_axes(ax, 6, loc=1) # zoom = 6 axins.imshow(Z2, extent=extent, interpolation="nearest", origin="lower") # sub region of the original image x1, x2, y1, y2 = -1.5, -0.9, -2.5, -1.9 axins.set_xlim(x1, x2) axins.set_ylim(y1, y2) axins1 = zoomed_inset_axes(ax, 8, loc=2) # zoom = 6 axins1.imshow(Z2, extent=extent, interpolation="nearest", origin="lower") # sub region of the original image x1, x2, y1, y2 = -1.2, -0.9, -2.2, -1.9 axins1.set_xlim(x1, x2) axins1.set_ylim(y1, y2) plt.xticks(visible=False) plt.yticks(visible=False) # draw a bbox of the region of the inset axes in the parent axes and # connecting lines between the bbox and the inset axes area mark_inset(ax, axins, loc1=2, loc2=4, fc="none", ec="0.5") mark_inset(ax, axins1, loc1=2, loc2=4, fc="none", ec="0.5") plt.draw() plt.show() </code></pre> <p><img src="https://i.stack.imgur.com/gQE7x.png" alt="enter image description here"></p> <p><strong>Edit1:</strong></p> <p>Similarly, you can also add zoomed axis in boxplot. Here is an example</p> <pre><code>from pylab import * from mpl_toolkits.axes_grid1.inset_locator import zoomed_inset_axes from mpl_toolkits.axes_grid1.inset_locator import mark_inset # fake up some data spread= rand(50) * 100 center = ones(25) * 50 flier_high = rand(10) * 100 + 100 flier_low = rand(10) * -100 data =concatenate((spread, center, flier_high, flier_low), 0) # fake up some more data spread= rand(50) * 100 center = ones(25) * 40 flier_high = rand(10) * 100 + 100 flier_low = rand(10) * -100 d2 = concatenate( (spread, center, flier_high, flier_low), 0 ) data.shape = (-1, 1) d2.shape = (-1, 1) data = [data, d2, d2[::2,0]] # multiple box plots on one figure fig = plt.figure(1, [5,4]) ax = fig.add_subplot(111) ax.boxplot(data) ax.set_xlim(0.5,5) ax.set_ylim(0,300) # Create the zoomed axes axins = zoomed_inset_axes(ax, 3, loc=1) # zoom = 3, location = 1 (upper right) axins.boxplot(data) # sub region of the original image x1, x2, y1, y2 = 0.9, 1.1, 125, 175 axins.set_xlim(x1, x2) axins.set_ylim(y1, y2) plt.xticks(visible=False) plt.yticks(visible=False) # draw a bbox of the region of the inset axes in the parent axes and # connecting lines between the bbox and the inset axes area mark_inset(ax, axins, loc1=2, loc2=4, fc="none", ec="0.5") show() </code></pre> <p><img src="https://i.stack.imgur.com/4nqlU.png" alt="enter image description here"></p> <p><strong>Edit2</strong></p> <p>In case the distribution is heterogeneous, i.e., most values are small with few very large values, the above zooming procedure might not work, as it will zoom both the <code>x</code> as well as <code>y</code> axis. In that case it is better to change the scale of <code>y-axis</code> to <code>log</code>. </p> <pre><code>from pylab import * # fake up some data spread= rand(50) * 1 center = ones(25) * .5 flier_high = rand(10) * 100 + 100 flier_low = rand(10) * -100 data =concatenate((spread, center, flier_high, flier_low), 0) # fake up some more data spread= rand(50) * 1 center = ones(25) * .4 flier_high = rand(10) * 100 + 100 flier_low = rand(10) * -100 d2 = concatenate( (spread, center, flier_high, flier_low), 0 ) data.shape = (-1, 1) d2.shape = (-1, 1) data = [data, d2, d2[::2,0]] # multiple box plots on one figure fig = plt.figure(1, [5,4]) # Figure Size ax = fig.add_subplot(111) # Only 1 subplot ax.boxplot(data) ax.set_xlim(0.5,5) ax.set_ylim(.1,300) ax.set_yscale('log') show() </code></pre> <p><img src="https://i.stack.imgur.com/nYJjC.png" alt="enter image description here"></p>
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    1. COThank you. The documentation on this is still too complex for my purposes. I edited my original post to stress what I'm doing right now and removed all the unnecessary lines from the online example. Could you please modify my code, so I can see what I should actually do? Thanks.
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    2. COCheck the edited answer. If you have difficulty in understanding any specific part of the code, do let me know.
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    3. COThank you. I edited my post and added the output of your code and questions on some of the parameters used.
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