FIX: add loglocator for minor colorbar

jklymak · jklymak · commit b74c0fd5306b · 2018-03-19T13:29:39.000-07:00
diff --git a/doc/api/api_changes/2017-12-01-JMK.rst b/doc/api/api_changes/2017-12-01-JMK.rst
@@ -3,6 +3,6 @@ The ticks for colorbar now adjust for the size of the colorbar
 
 Colorbar ticks now adjust for the size of the colorbar if the
 colorbar is made from a mappable that is not a contour or
-doesn't have  a BoundaryNorm, or boundaries are not specified.
+doesn't have a BoundaryNorm, or boundaries are not specified.
 If boundaries, etc are specified, the colorbar maintains the
 original behaviour.
diff --git a/lib/matplotlib/colorbar.py b/lib/matplotlib/colorbar.py
@@ -232,8 +232,6 @@ class _ColorbarAutoLocator(ticker.MaxNLocator):
 
     def __init__(self, colorbar):
         """
-        _ColorbarAutoLocator(colorbar)
-
         This ticker needs to know the *colorbar* so that it can access
         its *vmin* and *vmax*.  Otherwise it is the same as
         `~.ticker.AutoLocator`.
@@ -515,7 +513,9 @@ def update_ticks(self):
             if type(self.norm) == colors.LogNorm:
                 long_axis.set_minor_locator(_ColorbarLogLocator(self,
                             base=10., subs='auto'))
-                long_axis.set_minor_formatter(ticker.NullFormatter())
+                long_axis.set_minor_formatter(
+                    ticker.LogFormatter()
+                )
         else:
             _log.debug('Using fixed locator on colorbar')
             ticks, ticklabels, offset_string = self._ticker(locator, formatter)
