Prevent contour lines from appearing in legend

efiring · efiring · commit ee89b6f7649b · 2007-04-18T07:41:46.000Z
svn path=/trunk/matplotlib/; revision=3243
diff --git a/lib/matplotlib/contour.py b/lib/matplotlib/contour.py
@@ -473,7 +473,7 @@ def __init__(self, ax, *args, **kwargs):
 
                 if level < 0.0 and self.monochrome:
                     col.set_linestyle((0, rcParams['contour.negative_linestyle']))
-                col.set_label(str(level))         # only for self-documentation
+                col.set_label('_nolegend_')
                 self.ax.add_collection(col)
                 self.collections.append(col)
         self.changed() # set the colors
