diff -u -r1.8 -r1.9
--- MipTrackMap.java	17 Oct 2008 00:32:04 -0000	1.8
+++ MipTrackMap.java	20 Oct 2008 19:03:13 -0000	1.9
@@ -104,11 +104,11 @@

 		long[] nearbyHitArray = id.getNeighbourIDs(countIterationsSinceLastHit, 3, 3);
 		for (long lastnearID : nearbyHitArray ) { nearIDs.add(lastnearID); }
 

-		Hep3Vector last0 = hitPosition(hit);

+		Hep3Vector last0 = new BasicHep3Vector(hit.getPosition());

 		Hep3Vector last1 = new BasicHep3Vector();
 		if( mipclus.getCalorimeterHits().size() > 1){
 		    CalorimeterHit hit1 = mipclus.getCalorimeterHits().get( mipclus.getCalorimeterHits().size()-2);

-	            last1 = hitPosition(hit1);

+	            last1 = new BasicHep3Vector(hit1.getPosition());

 		}
 
 		//Searh cur hit in cur layer and arrange in angular order

@@ -217,7 +217,7 @@

 		else k = 2;
 		for(int i =0; i < k ;i++){
 		    CalorimeterHit hit = mipclus.getCalorimeterHits().get( mipclus.getCalorimeterHits().size()-1-i);

-		    Hep3Vector v = hitPosition(hit);

+		    Hep3Vector v = new BasicHep3Vector(hit.getPosition());

 		    System.out.println("Debug: last "+i+" pos= "+v.magnitude()+" (" +v.x() + " " + v.y() + " " + v.z()+ ")" );
 		}
 		System.out.println("cal MIP size= " + mipclus.getCalorimeterHits().size());

@@ -242,7 +242,7 @@

                 SortedMap<Double, Set<CalorimeterHit>> sortedHitbyPos= new TreeMap();
                 IDDecoder id = hit.getIDDecoder();
                 double layer = id.getLayer();

-                Hep3Vector hitPos = hitPosition(hit);

+                Hep3Vector hitPos = new BasicHep3Vector(hit.getPosition());

                 Hep3Vector hitPosUnit = VecOp.unit(hitPos);
 
                 Set<CalorimeterHit> hits = sortedHitbyPos.get(hitPos.magnitude()); 

@@ -258,7 +258,7 @@

                     if(removedhits.contains(subhit)) continue;
                     IDDecoder subid = subhit.getIDDecoder();
                     double sublayer = subid.getLayer();

-                    Hep3Vector subhitPos = hitPosition(subhit);  

+                    Hep3Vector subhitPos = new BasicHep3Vector(subhit.getPosition()); 

                     Hep3Vector subhitPosUnit = VecOp.unit(subhitPos);
                     double cos = VecOp.dot(hitPosUnit, subhitPosUnit);
                     sortedHitbyAng.put(cos,subhit);

@@ -459,7 +459,7 @@

 	else exam = 0; // if number of neighbour is none, set to zero and start again from 0 
 
 	if(debug){

-	    Hep3Vector cellv = hitPosition(hit);

+	    Hep3Vector cellv = hitCellPosition(hit);

             Hep3Vector v = new BasicHep3Vector(hit.getPosition());
 	    int p = (int) (v.magnitude());
             int r = (int) Math.sqrt(v.x()*v.x() + v.y()*v.y());

@@ -477,7 +477,7 @@

        Set<CalorimeterHit> upperhits = new HashSet<CalorimeterHit>();
        for(CalorimeterHit hit : muhits){
            String subdetName = hit.getSubdetector().getName();

-           Hep3Vector cellv = hitPosition(hit);

+           Hep3Vector cellv = hitCellPosition(hit);

            Hep3Vector v = new BasicHep3Vector(hit.getPosition());
            int p = (int) (v.magnitude());
            int r = (int) Math.sqrt(v.x()*v.x() + v.y()*v.y());

@@ -494,7 +494,7 @@

     }
 
     //give the vector of hit

-    protected Hep3Vector hitPosition(CalorimeterHit hit){

+    protected Hep3Vector hitCellPosition(CalorimeterHit hit){

 	IDDecoder id = hit.getIDDecoder();
 	id.setID(hit.getCellID());
 	double x = id.getPosition()[0];