--- a/python/indicators.py	Tue Dec 25 02:16:10 2012 -0500
+++ b/python/indicators.py	Tue Dec 25 02:20:25 2012 -0500
@@ -4,7 +4,7 @@
 __metaclass__ = type
 
 import moving
-
+from utils import LCSS
 # need for a class representing the indicators, their units, how to print them in graphs...
 class TemporalIndicator:
     '''Class for temporal indicators
@@ -82,7 +82,28 @@
         plot([x/xfactor for x in time], [self.values[i] for i in time], options+marker, **kwargs)
         if self.maxValue:
             ylim(ymax = self.maxValue)
-
+	
+    def valueSorted(self):
+	''' return the values after sort the keys in the indicator''' 
+        values=[]
+        keys = self.values.keys()
+        keys.sort()
+        for key in keys:
+            values.append(self.values[key]) 
+        return values
+    @staticmethod
+	def getDLCSS(TemporalIndicator1,TemporalIndicator2, threshold, delta= np.inf , method='min' ):
+	''' compute the distance between two indicators using LCSS
+	two common methods are used: min or mean of the indicators length'''
+        l1= TemporalIndicator1.valueSorted
+		l2= TemporalIndicator2.valueSorted
+		if method = 'min':
+			DLCSS= 1- (LCSS(l1,l2, threshold, delta, distance))/min(len(l1),len(l2)))
+		if method = 'mean':
+			average= len(l1)+len(l2))/2
+			DLCSS= 1- ((LCSS(l1,l2, threshold, delta, distance))/average)
+		return DLCSS
+		
 class SeverityIndicator(TemporalIndicator):
     '''Class for severity indicators 
     field mostSevereIsMax is True