Tweak padding on angular ticks to match previous.

QuLogic · QuLogic · commit 0cfd0fff1561 · 2017-08-30T19:55:07.000-04:00
diff --git a/lib/matplotlib/projections/polar.py b/lib/matplotlib/projections/polar.py
@@ -264,9 +264,9 @@ def __init__(self, axes, *args, **kwargs):
             0, 0,
             axes.figure.dpi_scale_trans)
 
-    def _update_padding(self, angle):
-        padx = self._pad * np.cos(angle) / 72
-        pady = self._pad * np.sin(angle) / 72
+    def _update_padding(self, pad, angle):
+        padx = pad * np.cos(angle) / 72
+        pady = pad * np.sin(angle) / 72
         self._text1_translate._t = (padx, pady)
         self._text1_translate.invalidate()
         self._text2_translate._t = (-padx, -pady)
@@ -320,7 +320,12 @@ def update_position(self, loc):
     @martist.allow_rasterization
     def draw(self, renderer):
         axes = self.axes
-        self._update_padding(self._loc * axes.get_theta_direction() +
+        pad = self._pad
+        if _is_full_circle_deg(axes.get_thetamin(), axes.get_thetamax()):
+            # Preserve similar padding from previous releases for default size.
+            pad *= 2.
+        self._update_padding(pad,
+                             self._loc * axes.get_theta_direction() +
                              axes.get_theta_offset())
 
         # Add the padding shift to the label. This can't be applied to the
