Allow for numpy 1.04, which does not have ma.masked_invalid

efiring · efiring · commit e48e356bc381 · 2008-04-23T16:54:21.000Z
svn path=/trunk/matplotlib/; revision=5065
diff --git a/lib/matplotlib/transforms.py b/lib/matplotlib/transforms.py
@@ -693,7 +693,10 @@ def update_from_data_xy(self, xy, ignore=None):
 
         if len(xy) == 0:
             return
-        xym = ma.masked_invalid(xy)
+        try:
+            xym = ma.masked_invalid(xy) # maybe add copy=False
+        except AttributeError:   # masked_invalid not exposed in npy 1.04
+            xym = ma.masked_where(~npy.isfinite(xy), xy)
         if (xym.count(axis=1)!=2).all():
             return
 
