[2982047] start default collection label with underscore, like line label

efiring · efiring · commit 4a79c3df9feb · 2010-06-09T03:01:53.000Z
svn path=/trunk/matplotlib/; revision=8399
diff --git a/lib/matplotlib/axes.py b/lib/matplotlib/axes.py
@@ -1398,7 +1398,7 @@ def add_collection(self, collection, autolim=True):
         '''
         label = collection.get_label()
         if not label:
-            collection.set_label('collection%d'%len(self.collections))
+            collection.set_label('_collection%d'%len(self.collections))
         self.collections.append(collection)
         self._set_artist_props(collection)
 
