--- a/python/moving.py	Fri Nov 13 19:29:01 2009 -0500
+++ b/python/moving.py	Sat Nov 14 19:02:46 2009 -0500
@@ -101,6 +101,15 @@
         from matplotlib.pylab import plot
         plot(self.positions[0], self.positions[1])
 
+    def xBounds(self):
+        # look for function that does min and max in one pass
+        return [min(self.positions[0]), max(self.positions[0])]
+    
+    def yBounds(self):
+        # look for function that does min and max in one pass
+        return [min(self.positions[1]), max(self.positions[1])]
+    
+
 class MovingObject(STObject):
     '''Class for moving objects
     i.e. with a trajectory and a geometry (volume)