--- a/python/moving.py	Fri Dec 05 00:54:38 2014 -0500
+++ b/python/moving.py	Fri Dec 05 15:14:44 2014 -0500
@@ -1287,13 +1287,13 @@
     Its center is the center of the containing shape
     '''
 
-    def __init__(self, num = None, timeInterval = None, topPositions = None, bottomPositions = None, userType = userType2Num['unknown']):
+    def __init__(self, num = None, timeInterval = None, topLeftPositions = None, bottomRightPositions = None, userType = userType2Num['unknown']):
         super(BBAnnotation, self).__init__(num, timeInterval, Trajectory(), userType = userType)
-        self.topPositions = topPositions.getPositions()
-        self.bottomPositions = bottomPositions.getPositions()
-        for i in xrange(int(topPositions.length())):
-            self.positions.addPosition((topPositions.getPositionAt(i) + bottomPositions.getPositionAt(i)).multiply(0.5))
-        
+        self.topLeftPositions = topLeftPositions.getPositions()
+        self.bottomRightPositions = bottomRightPositions.getPositions()
+        for i in xrange(int(topLeftPositions.length())):
+            self.positions.addPosition((topLeftPositions.getPositionAt(i) + bottomRightPositions.getPositionAt(i)).multiply(0.5))
+    
 
 def plotRoadUsers(objects, colors):
     '''Colors is a PlottingPropertyValues instance'''