bug fix, adding set_param to the locators

Author: ryanbelt

lib/matplotlib/ticker.py

@@ -1025,6 +1025,12 @@ def __init__(self, base, offset):
         self._base = base
         self.offset = offset
 
+    def set_params(self, **kwargs):
+        if 'base' in kwargs:
+            self.base = kwargs['base']
+        if 'offset' in kwargs:
+            self.offset = kwargs['offset']
+
     def __call__(self):
         """Return the locations of the ticks"""
         dmin, dmax = self.axis.get_data_interval()
@@ -1052,6 +1058,10 @@ def __init__(self, locs, nbins=None):
         if self.nbins is not None:
             self.nbins = max(self.nbins, 2)
 
+    def set_params(self, **kwargs):
+        if 'nbins' in kwargs:
+            self.nbins = kwargs['nbins']
+
     def __call__(self):
         return self.tick_values(None, None)
 
@@ -1116,6 +1126,12 @@ def __init__(self, numticks=None, presets=None):
         else:
             self.presets = presets
 
+    def set_params(self, **kwargs):
+        if 'presets' in kwargs:
+            self.presets = kwargs['presets']
+        if 'numticks' in kwargs:
+            self.numticks = kwargs['numticks']
+
     def __call__(self):
         'Return the locations of the ticks'
         vmin, vmax = self.axis.get_view_interval()
@@ -1218,6 +1234,10 @@ class MultipleLocator(Locator):
     def __init__(self, base=1.0):
         self._base = Base(base)
 
+    def set_params(self, **kwargs):
+        if 'base' in kwargs:
+            self.base = kwargs['base']
+
     def __call__(self):
         'Return the locations of the ticks'
         vmin, vmax = self.axis.get_view_interval()
@@ -1453,6 +1473,16 @@ def __init__(self, base=10.0, subs=[1.0], numdecs=4, numticks=15):
         self.numticks = numticks
         self.numdecs = numdecs
 
+    def set_params(self, **kwargs):
+        if 'base' in kwargs:
+            self.base = kwargs['base']
+        if 'subs' in kwargs:
+            self.subs = kwargs['subs']
+        if 'numdecs' in kwargs:
+            self.numdecs = kwargs['numdecs']
+        if 'numticks' in kwargs:
+            self.numticks = kwargs['numticks']
+
     def base(self, base):
         """
         set the base of the log scaling (major tick every base**i, i integer)