Merge pull request matplotlib#1061 from bgamari/master

Add log option to Axes.hist2d

Author: WeatherGod

examples/pylab_examples/hist2d_log_demo.py

@@ -0,0 +1,10 @@
+from matplotlib.colors import LogNorm
+from pylab import *
+
+#normal distribution center at x=0 and y=5
+x = randn(100000)
+y = randn(100000)+5
+
+hist2d(x, y, bins=40, norm=LogNorm())
+colorbar()
+show()

lib/matplotlib/axes.py

@@ -8223,7 +8223,11 @@ def hist2d(self, x, y, bins = 10, range=None, normed=False, weights=None,
              these count values in the return value count histogram
              will also be set to nan upon return
 
-        Remaining keyword arguments are passed directly to :meth:pcolorfast
+        Remaining keyword arguments are passed directly to :meth:`pcolorfast`.
+
+        Rendering the histogram with a logarithmic color scale is
+        accomplished by passing a :class:`colors.LogNorm` instance to
+        the *norm* keyword argument.
 
         **Example:**