Index: trunk/UTIL/PYTHON/planetoplot_v2/ppclass.py
===================================================================
--- trunk/UTIL/PYTHON/planetoplot_v2/ppclass.py	(revision 1089)
+++ trunk/UTIL/PYTHON/planetoplot_v2/ppclass.py	(revision 1090)
@@ -1386,5 +1386,5 @@
           # if xy axis are apparently undefined, set 2D grid points axis.
           if "grid points" not in self.name_x:
-            if self.field_x.all() == self.field_x[0,0] \
+            if np.all(self.field_x == self.field_x[0,0]) \
              or self.field_x.min() == self.field_x.max() \
              or self.field_y.min() == self.field_y.max():