Only scroll-to-zoom on rectilinear Axes

Author: timhoffm

doc/users/next_whats_new/scroll_to_zoom.rst

@@ -7,3 +7,5 @@ aspect ratio of the axes.
 
 There is no effect if no manipulation tool is selected. This is intentional to
 keep a state in which accidental manipulation of the plot is avoided.
+
+Zooming is currently only supported on rectilinear Axes.

lib/matplotlib/backend_bases.py

@@ -2578,6 +2578,9 @@ def scroll_handler(event, canvas=None, toolbar=None):
     ax = event.inaxes
     if ax is None:
         return
+    if ax.name != "rectilinear":
+        # zooming is currently only supported on rectilinear axes
+        return
 
     if toolbar is None:
         if canvas is None: