MNT: move log mask vs clip setting lower

tacaswell · tacaswell · commit def5e9aca080 · 2017-10-21T23:12:43.000-04:00
Set the default in `LogScale.__init__`, not in `Axes.set_{x,y}scale`
diff --git a/lib/matplotlib/axes/_base.py b/lib/matplotlib/axes/_base.py
@@ -2970,9 +2970,6 @@ def set_xscale(self, value, **kwargs):
 
         matplotlib.scale.LogisticTransform : logit transform
         """
-        if value.lower() == "log":  # Avoid headaches around zero.
-            kwargs.setdefault("nonposx", "clip")
-
         g = self.get_shared_x_axes()
         for ax in g.get_siblings(self):
             ax.xaxis._set_scale(value, **kwargs)
@@ -3290,9 +3287,6 @@ def set_yscale(self, value, **kwargs):
 
         matplotlib.scale.LogisticTransform : logit transform
         """
-        if value.lower() == "log":  # Avoid headaches around zero.
-            kwargs.setdefault("nonposy", "clip")
-
         g = self.get_shared_y_axes()
         for ax in g.get_siblings(self):
             ax.yaxis._set_scale(value, **kwargs)
diff --git a/lib/matplotlib/scale.py b/lib/matplotlib/scale.py
@@ -229,11 +229,11 @@ def __init__(self, axis, **kwargs):
         if axis.axis_name == 'x':
             base = kwargs.pop('basex', 10.0)
             subs = kwargs.pop('subsx', None)
-            nonpos = kwargs.pop('nonposx', 'mask')
+            nonpos = kwargs.pop('nonposx', 'clip')
         else:
             base = kwargs.pop('basey', 10.0)
             subs = kwargs.pop('subsy', None)
-            nonpos = kwargs.pop('nonposy', 'mask')
+            nonpos = kwargs.pop('nonposy', 'clip')
 
         if nonpos not in ['mask', 'clip']:
             raise ValueError("nonposx, nonposy kwarg must be 'mask' or 'clip'")
