ENH: Add API from minor locators to opt-out of tick deconfliction

tacaswell · tacaswell · commit 600cdd2284e3 · 2019-03-31T23:27:54.000-04:00
This adds the logic to check if there is an attribute on the minor
locator to control the deconfliction.
diff --git a/lib/matplotlib/axis.py b/lib/matplotlib/axis.py
@@ -1316,6 +1316,7 @@ def get_minorticklocs(self):
         # Remove minor ticks duplicating major ticks.
         major_locs = self.major.locator()
         minor_locs = self.minor.locator()
+        deconflict = getattr(self.minor.locator, 'enable_deconflict', True)
         transform = self._scale.get_transform()
         tr_minor_locs = transform.transform(minor_locs)
         tr_major_locs = transform.transform(major_locs)
@@ -1325,7 +1326,8 @@ def get_minorticklocs(self):
         tol = (hi - lo) * 1e-5
         minor_locs = [
             loc for loc, tr_loc in zip(minor_locs, tr_minor_locs)
-            if not np.isclose(tr_loc, tr_major_locs, atol=tol, rtol=0).any()]
+            if (not deconflict or
+                not np.isclose(tr_loc, tr_major_locs, atol=tol, rtol=0).any())]
         return minor_locs
 
     def get_ticklocs(self, minor=False):
