FIX: jumping axes

tacaswell · tacaswell · commit d874f13d6e77 · 2015-08-25T23:48:40.000-04:00
The first time the Axes3D is drawn the x,y,z axis are drawn before the
aspect has been adjusted so they are wrong (the double zaxis the
previous commit removed was actually the correct one).

This copies the relevant code up to the Axes3D level.  This is not great
as there is code-duplication, but the 'correct' solution is to make the
Axes.draw method much more pluggable which is a very large job.
diff --git a/lib/mpl_toolkits/mplot3d/axes3d.py b/lib/mpl_toolkits/mplot3d/axes3d.py
@@ -247,6 +247,18 @@ def draw(self, renderer):
         self.axesPatch.draw(renderer)
         self._frameon = False
 
+        # first, set the aspect
+        # this is duplicated from `axes._base._AxesBase.draw`
+        # but must be called before any of the artist are drawn as
+        # it adjusts the view limits and the size of the bounding box
+        # of the axes
+        locator = self.get_axes_locator()
+        if locator:
+            pos = locator(self, renderer)
+            self.apply_aspect(pos)
+        else:
+            self.apply_aspect()
+
         # add the projection matrix to the renderer
         self.M = self.get_proj()
         renderer.M = self.M
