--- a/python/indicators.py	Wed Jul 17 01:29:25 2013 -0400
+++ b/python/indicators.py	Wed Jul 17 18:19:08 2013 -0400
@@ -107,24 +107,28 @@
 
 class LCSS(utilsLCSS):
     '''Adapted LCSS class for indicators, same pattern'''
-    def __init__(self, threshold, delta = float('inf'), aligned = False, lengthFunc = min):
+    def __init__(self, threshold, delta = float('inf'), minLength = 0, aligned = False, lengthFunc = min):
         utilsLCSS.__init__(self, lambda x,y: (distanceForLCSS(x,y) <= threshold), delta, aligned, lengthFunc)
+        self.minLength = minLength
+
+    def checkIndicator(self, indicator):
+        return indicator != None and len(indicator) >= self.minLength
 
     def compute(self, indicator1, indicator2, computeSubSequence = False):
-        if indicator1 and indicator2:
+        if self.checkIndicator(indicator1) and self.checkIndicator(indicator2):
             return self._compute(indicator1.getValues(), indicator2.getValues(), computeSubSequence)
         else:
             return 0
 
-    def computeNormalized(self, indicator1, indicator2):
-        if indicator1 and indicator2:
-            return self._computeNormalized(indicator1.getValues(), indicator2.getValues())
+    def computeNormalized(self, indicator1, indicator2, computeSubSequence = False):
+        if self.checkIndicator(indicator1) and self.checkIndicator(indicator2):
+            return self._computeNormalized(indicator1.getValues(), indicator2.getValues(), computeSubSequence)
         else:
             return 0.
 
-    def computeDistance(self, indicator1, indicator2):
-        if indicator1 and indicator2:
-            return self._computeDistance(indicator1.getValues(), indicator2.getValues())
+    def computeDistance(self, indicator1, indicator2, computeSubSequence = False):
+        if self.checkIndicator(indicator1) and self.checkIndicator(indicator2):
+            return self._computeDistance(indicator1.getValues(), indicator2.getValues(), computeSubSequence)
         else:
             return 1.