--- a/python/moving.py	Fri Dec 21 18:20:12 2012 -0500
+++ b/python/moving.py	Fri Dec 21 18:33:36 2012 -0500
@@ -171,6 +171,12 @@
         '2-norm distance (Euclidean distance)'
         return sqrt(self.norm2Squared())
 
+    def norm1(self):
+        return abs(self.x)+abs(self.y)
+    
+    def normMax(self):
+        return max(abs(self.x),abs(self.y))
+
     def aslist(self):
         return [self.x, self.y]
 
@@ -368,6 +374,9 @@
     def length(self):
         return len(self.positions[0])
 
+    def __len__(self):
+        return self.length()
+
     def addPositionXY(self, x, y):
         self.positions[0].append(x)
         self.positions[1].append(y)
@@ -496,6 +505,14 @@
 
     # version 2: use shapely polygon contains
 
+    @staticmethod
+    def norm2LCSS(t1, t2, threshold):
+        return utils.LCSS(t1, t2, threshold, Point.distanceNorm2)
+
+    @staticmethod
+    def normMaxLCSS(t1, t2, threshold):
+        return utils.LCSS(t1, t2, threshold, lambda p1, p2: (p1-p2).normMax())
+
 ##################
 # Moving Objects
 ##################