diff -u -r1.2 -r1.3
--- MipTrackMap.java	30 Sep 2008 01:11:18 -0000	1.2
+++ MipTrackMap.java	30 Sep 2008 01:25:23 -0000	1.3
@@ -384,4 +384,23 @@

         return layer;
     }
 

+    protected Hep3Vector getClusterDirection(Cluster clus){
+
+        Hep3Vector trackMuonUnit = new BasicHep3Vector();
+        if( clus.getCalorimeterHits().size() > 1){
+            CalorimeterHit muonhit1 = clus.getCalorimeterHits().get(clus.getCalorimeterHits().size()-1);
+            CalorimeterHit muonhit0 = clus.getCalorimeterHits().get(0);
+            Hep3Vector muonpos1 = new BasicHep3Vector(muonhit1.getPosition());
+            Hep3Vector muonpos0 = new BasicHep3Vector(muonhit0.getPosition());
+            Hep3Vector trackMuon = new BasicHep3Vector();
+            if(muonpos0.magnitude() > muonpos1.magnitude()){
+                trackMuon = VecOp.sub(muonpos0, muonpos1);
+            }else{
+                trackMuon = VecOp.sub(muonpos1, muonpos0);
+            }
+            trackMuonUnit = VecOp.unit(trackMuon);
+        } else { trackMuonUnit = null;}
+
+        return trackMuonUnit;
+    }

 }