Tweak colorbar_placement example.

- No need to plt.show() after every block; this makes running the
  example from the command line easier.
- inset_axes defaults to transAxes, no need to pass that explicitly.

Author: anntzer

examples/subplots_axes_and_figures/colorbar_placement.py

@@ -23,7 +23,6 @@
         pcm = ax.pcolormesh(np.random.random((20, 20)) * (col + 1),
                             cmap=cmaps[col])
         fig.colorbar(pcm, ax=ax)
-plt.show()
 
 ######################################################################
 # The first column has the same type of data in both rows, so it may
@@ -38,7 +37,6 @@
         pcm = ax.pcolormesh(np.random.random((20, 20)) * (col + 1),
                             cmap=cmaps[col])
     fig.colorbar(pcm, ax=axs[:, col], shrink=0.6)
-plt.show()
 
 ######################################################################
 # Relatively complicated colorbar layouts are possible using this
@@ -53,7 +51,6 @@
 fig.colorbar(pcm, ax=[axs[0, 2]], location='bottom')
 fig.colorbar(pcm, ax=axs[1:, :], location='right', shrink=0.6)
 fig.colorbar(pcm, ax=[axs[2, 1]], location='left')
-plt.show()
 
 ######################################################################
 # Colorbars with fixed-aspect-ratio axes
@@ -75,7 +72,6 @@
             ax.set_aspect(1/2)
         if row == 1:
             fig.colorbar(pcm, ax=ax, shrink=0.6)
-plt.show()
 
 ######################################################################
 # One way around this issue is to use an `.Axes.inset_axes` to locate the
@@ -94,6 +90,7 @@
         else:
             ax.set_aspect(1/2)
         if row == 1:
-            cax = ax.inset_axes([1.04, 0.2, 0.05, 0.6], transform=ax.transAxes)
+            cax = ax.inset_axes([1.04, 0.2, 0.05, 0.6])
             fig.colorbar(pcm, ax=ax, cax=cax)
+
 plt.show()