Backport PR matplotlib#10554: Make ax3d.get_xlim() return a tuple, as 2D axes do.

efiring · MeeseeksDev[bot] · commit 41ced22305de · 2018-02-25T22:00:13.000Z
diff --git a/doc/api/next_api_changes/2018-02-21-AL.rst b/doc/api/next_api_changes/2018-02-21-AL.rst
@@ -0,0 +1,5 @@
+``Axes3D.get_xlim``, ``get_ylim`` and ``get_zlim`` now return a tuple
+`````````````````````````````````````````````````````````````````````
+
+They previously returned an array.  Returning a tuple is consistent with the
+behavior for 2D axes.
diff --git a/lib/mpl_toolkits/mplot3d/axes3d.py b/lib/mpl_toolkits/mplot3d/axes3d.py
@@ -764,7 +764,7 @@ def set_zlim3d(self, bottom=None, top=None, emit=True, auto=False, **kw):
     set_zlim = set_zlim3d
 
     def get_xlim3d(self):
-        return self.xy_viewLim.intervalx
+        return tuple(self.xy_viewLim.intervalx)
     get_xlim3d.__doc__ = maxes.Axes.get_xlim.__doc__
     get_xlim = get_xlim3d
     if get_xlim.__doc__ is not None:
@@ -774,7 +774,7 @@ def get_xlim3d(self):
             """
 
     def get_ylim3d(self):
-        return self.xy_viewLim.intervaly
+        return tuple(self.xy_viewLim.intervaly)
     get_ylim3d.__doc__ = maxes.Axes.get_ylim.__doc__
     get_ylim = get_ylim3d
     if get_ylim.__doc__ is not None:
@@ -785,7 +785,7 @@ def get_ylim3d(self):
 
     def get_zlim3d(self):
         '''Get 3D z limits.'''
-        return self.zz_viewLim.intervalx
+        return tuple(self.zz_viewLim.intervalx)
     get_zlim = get_zlim3d
 
     def get_zscale(self):
