Make tickdirs work all the time

scottshambaugh · scottshambaugh · commit 4370ecf96f1e · 2023-05-13T12:01:17.000-06:00
More tickdir tweaks
diff --git a/lib/mpl_toolkits/mplot3d/axis3d.py b/lib/mpl_toolkits/mplot3d/axis3d.py
@@ -368,10 +368,22 @@ def _get_tickdir(self, position=None):
         """
         # TODO: Move somewhere else where it's triggered less:
         tickdirs_base = [v["tickdir"] for v in self._AXINFO.values()]  # default
+        elev_mod = np.mod(self.axes.elev + 180, 360) - 180
+        azim_mod = np.mod(self.axes.azim, 360)
         if position == 'upper':
-            tickdirs_base = [2, 2, 0]
+            if elev_mod >= 0:
+                tickdirs_base = [2, 2, 0]
+            else:
+                tickdirs_base = [1, 0, 0]
+            if (0 <= azim_mod < 180):
+                tickdirs_base[2] = 1
         elif position == 'lower':
-            tickdirs_base = [1, 0, 1]
+            if elev_mod >= 0:
+                tickdirs_base = [1, 0, 1]
+            else:
+                tickdirs_base = [2, 2, 1]
+            if (0 <= azim_mod < 180):
+                tickdirs_base[2] = 0
         info_i = [v["i"] for v in self._AXINFO.values()]
 
         i = self._axinfo["i"]
