Fix masked array plotting again.

mdboom · mdboom · commit 1692460b6c2d · 2007-10-24T18:12:19.000Z
svn path=/branches/transforms/; revision=3995
diff --git a/lib/matplotlib/lines.py b/lib/matplotlib/lines.py
@@ -378,8 +378,10 @@ def set_data(self, *args):
         else:
             x, y = args
 
-        x = npy.asarray(x)
-        y = npy.asarray(y)
+        if not ma.isMaskedArray(x):
+            x = npy.asarray(x)
+        if not ma.isMaskedArray(y):
+            y = npy.asarray(y)
         if ((x.shape != self._xorig.shape or npy.any(x != self._xorig)) or
             (y.shape != self._yorig.shape or npy.any(y != self._yorig))):
             self._xorig = x
@@ -666,6 +668,11 @@ def _draw_solid(self, renderer, gc, path, trans):
 	renderer.draw_path(gc, path, trans)
 
 
+    def _draw_steps(self, renderer, gc, path, trans):
+        # MGDTODO: Implement me
+        raise NotImplementedError("'steps' linestyle should be returning soon...")
+        
+
     def _draw_dashed(self, renderer, gc, path, trans):
         gc.set_linestyle('dashed')
         if self._dashSeq is not None:
