10000 Extract spines_demo from spine_placement_demo · matplotlib/matplotlib@800deb4 · GitHub
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tonysyutonysyu
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Extract spines_demo from spine_placement_demo
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3 files changed

+55
-26
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3 files changed

+55
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lines changed

‎examples/pylab_examples/spine_placement_demo.py

Lines changed: 2 additions & 26 deletions
Original file line numberDiff line numberDiff line change
@@ -1,30 +1,6 @@
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import matplotlib.pyplot as plt
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import numpy as np
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from matplotlib.pyplot import show
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fig = plt.figure()
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x = np.linspace(0,2*np.pi,100)
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y = 2*np.sin(x)
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ax = fig.add_subplot(1,2,1)
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ax.set_title('dropped spines')
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ax.plot(x,y)
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for loc, spine in ax.spines.items():
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if loc in ['left','bottom']:
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spine.set_position(('outward',10)) # outward by 10 points
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elif loc in ['right','top']:
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spine.set_color('none') # don't draw spine
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else:
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raise ValueError('unknown spine location: %s'%loc)
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# turn off ticks where there is no spine
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ax.xaxis.set_ticks_position('bottom')
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ax.yaxis.set_ticks_position('left')
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ax = fig.add_subplot(1,2,2,sharex=ax)
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ax.plot(x,y)
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ax.set_title('normal spines')
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import matplotlib.pyplot as plt
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# ----------------------------------------------------
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fig = plt.figure()
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x = np.linspace(-np.pi,np.pi,100)
@@ -121,4 +97,4 @@ def adjust_spines(ax,spines):
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ax.plot(x,y)
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adjust_spines(ax,['bottom'])
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show()
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plt.show()

‎examples/ticks_and_spines/spines_demo.py

Lines changed: 29 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,29 @@
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"""
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Basic demo of axis spines.
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This demo compares a normal axes, with spines on all four sides, and an axes
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with spines only on the left and bottom.
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"""
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import numpy as np
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import matplotlib.pyplot as plt
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x = np.linspace(0, 2 * np.pi, 100)
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y = 2 * np.sin(x)
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fig, (ax0, ax1) = plt.subplots(ncols=2)
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ax0.plot(x, y)
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ax0.set_title('normal spines')
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ax1.plot(x, y)
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ax1.set_title('bottom-left spines')
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# Hide the right and top spines
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ax1.spines['right'].set_visible(False)
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ax1.spines['top'].set_visible(False)
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# Only show ticks on the left and bottom spines
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ax1.yaxis.set_ticks_position('left')
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ax1.xaxis.set_ticks_position('bottom')
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plt.show()

‎examples/ticks_and_spines/spines_demo_dropped.py

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"""
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Demo of spines offset from the axes (a.k.a. "dropped spines").
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"""
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import numpy as np
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import matplotlib.pyplot as plt
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fig, ax = plt.subplots()
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image = np.random.uniform(size=(10, 10))
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ax.imshow(image, cmap=plt.cm.gray, interpolation='nearest')
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ax.set_title('dropped spines')
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# Move left and bottom spines outward by 10 points
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ax.spines['left'].set_position(('outward', 10))
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ax.spines['bottom'].set_position(('outward', 10))
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# Hide the right and top spines
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ax.spines['right'].set_visible(False)
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ax.spines['top'].set_visible(False)
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# Only show ticks on the left and bottom spines
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ax.yaxis.set_ticks_position('left')
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ax.xaxis.set_ticks_position('bottom')
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plt.show()

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