Revision: 8740
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=8740&view=rev
Author: leejjoon
Date: 2010-10-11 04:50:58 +0000 (Mon, 11 Oct 2010)
Log Message:
-----------
revise multiple_yaxis_with_spines.py as suggested by Stan West
Modified Paths:
--------------
trunk/matplotlib/examples/pylab_examples/multiple_yaxis_with_spines.py
Modified: trunk/matplotlib/examples/pylab_examples/multiple_yaxis_with_spines.py
===================================================================
--- trunk/matplotlib/examples/pylab_examples/multiple_yaxis_with_spines.py
2010-10-10 20:30:37 UTC (rev 8739)
+++ trunk/matplotlib/examples/pylab_examples/multiple_yaxis_with_spines.py
2010-10-11 04:50:58 UTC (rev 8740)
@@ -1,66 +1,54 @@
import matplotlib.pyplot as plt
def make_patch_spines_invisible(ax):
- par2.set_frame_on(True)
- par2.patch.set_visible(False)
- for sp in par2.spines.itervalues():
+ ax.set_frame_on(True)
+ ax.patch.set_visible(False)
+ for sp in ax.spines.itervalues():
sp.set_visible(False)
-def make_spine_invisible(ax, direction):
- if direction in ["right", "left"]:
- ax.yaxis.set_ticks_position(direction)
- ax.yaxis.set_label_position(direction)
- elif direction in ["top", "bottom"]:
- ax.xaxis.set_ticks_position(direction)
- ax.xaxis.set_label_position(direction)
- else:
- raise ValueError("Unknown Direction : %s" % (direction,))
+fig = plt.figure()
+fig.subplots_adjust(right=0.75)
- ax.spines[direction].set_visible(True)
+host = fig.add_subplot(111)
+par1 = host.twinx()
+par2 = host.twinx()
+# Offset the right spine of par2. The ticks and label have already been
+# placed on the right by twinx above.
+par2.spines["right"].set_position(("axes", 1.2))
+# Having been created by twinx, par2 has its frame off, so the line of its
+# detached spine is invisible. First, activate the frame but make the patch
+# and spines invisible.
+make_patch_spines_invisible(par2)
+# Second, show the right spine.
+par2.spines["right"].set_visible(True)
-if 1:
- fig = plt.figure(1)
+p1, = host.plot([0, 1, 2], [0, 1, 2], "b-", label="Density")
+p2, = par1.plot([0, 1, 2], [0, 3, 2], "r-", label="Temperature")
+p3, = par2.plot([0, 1, 2], [50, 30, 15], "g-", label="Velocity")
- host = fig.add_subplot(111)
+host.set_xlim(0, 2)
+host.set_ylim(0, 2)
+par1.set_ylim(0, 4)
+par2.set_ylim(1, 65)
- host.set_xlabel("Distance")
+host.set_xlabel("Distance")
+host.set_ylabel("Density")
+par1.set_ylabel("Temperature")
+par2.set_ylabel("Velocity")
- par1 = host.twinx()
- par2 = host.twinx()
+host.yaxis.label.set_color(p1.get_color())
+par1.yaxis.label.set_color(p2.get_color())
+par2.yaxis.label.set_color(p3.get_color())
- par2.spines["right"].set_position(("axes", 1.2))
- make_patch_spines_invisible(par2)
- make_spine_invisible(par2, "right")
+tkw = dict(size=4, width=1.5)
+host.tick_params(axis='y', colors=p1.get_color(), **tkw)
+par1.tick_params(axis='y', colors=p2.get_color(), **tkw)
+par2.tick_params(axis='y', colors=p3.get_color(), **tkw)
+host.tick_params(axis='x', **tkw)
- plt.subplots_adjust(right=0.75)
+lines = [p1, p2, p3]
+host.legend(lines, [l.get_label() for l in lines])
- p1, = host.plot([0, 1, 2], [0, 1, 2], "b-", label="Density")
- p2, = par1.plot([0, 1, 2], [0, 3, 2], "r-", label="Temperature")
- p3, = par2.plot([0, 1, 2], [50, 30, 15], "g-", label="Velocity")
-
- host.set_xlim(0, 2)
- host.set_ylim(0, 2)
- par1.set_ylim(0, 4)
- par2.set_ylim(1, 65)
-
- host.set_xlabel("Distance")
- host.set_ylabel("Density")
- par1.set_ylabel("Temperature")
- par2.set_ylabel("Velocity")
-
- host.yaxis.label.set_color(p1.get_color())
- par1.yaxis.label.set_color(p2.get_color())
- par2.yaxis.label.set_color(p3.get_color())
-
- tkw = dict(size=4, width=1.5)
- host.tick_params(axis='y', colors=p1.get_color(), **tkw)
- par1.tick_params(axis='y', colors=p2.get_color(), **tkw)
- par2.tick_params(axis='y', colors=p3.get_color(), **tkw)
- host.tick_params(axis='x', **tkw)
-
- lines = [p1, p2, p3]
- host.legend(lines, [l.get_label() for l in lines])
- plt.show()
-
+plt.show()
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