diff -u -r1.2 -r1.3
--- TrackerHitCheater.java	16 Jul 2007 20:14:10 -0000	1.2
+++ TrackerHitCheater.java	19 Jul 2007 17:58:26 -0000	1.3
@@ -13,6 +13,7 @@

 import org.lcsim.event.TrackerHit;
 import org.lcsim.event.base.BaseTrackerHitMC;
 

+import hep.physics.matrix.SymmetricMatrix;

 import hep.physics.vec.Hep3Vector;
 import hep.physics.vec.BasicHep3Vector;
 import hep.physics.vec.VecOp;

@@ -28,6 +29,7 @@

 {
     
     double _max_dist = 0.1;

+    TrackerHitSmearing smear = new TrackerHitSmearing(0.007,0.007);

     
     /** Creates a new instance of TrackerHitCheater */
     public TrackerHitCheater()

@@ -90,12 +92,12 @@

     private TrackerHit makeTrackerHit(List<SimTrackerHit> cluster)
     {
         double[] position = getPosition(cluster);

-        double[] covariance = getCovariance(cluster);

+        SymmetricMatrix covariance = getCovariance(cluster,position);

         double time = getTime(cluster);
         double energy = getEnergy(cluster);
         int type = 0;
         

-        TrackerHit hit = new BaseTrackerHitMC(position, covariance, time, energy, type, cluster);

+        TrackerHit hit = new BaseTrackerHitMC(position, covariance.asPackedArray(true), time, energy, type, cluster);

         return hit;
     }
     

@@ -113,7 +115,9 @@

         {
             position[i] /= getEnergy(cluster);
         }

-        return position;

+        double[] smposition = smear.SmearedPosition(new BasicHep3Vector(position)).v();
+       
+        return smposition;

     }
        
     private double getTime(List<SimTrackerHit> cluster)

@@ -129,13 +133,14 @@

         return mean_time;
     }
     

-    private double[] getCovariance(List<SimTrackerHit> cluster)

+    private SymmetricMatrix getCovariance(List<SimTrackerHit> cluster, double[] position)

     {

-        double[] covariance = new double[3];
-        covariance[0] = Math.pow(0.007,2);
-        covariance[1] = Math.pow(0.007,2);
-        covariance[2] = Math.pow(0.007,2);
-        return covariance;

+//        double[] covariance = new double[3];
+//        covariance[0] = Math.pow(0.007,2);
+//        covariance[1] = Math.pow(0.007,2);
+//        covariance[2] = Math.pow(0.007,2);
+        SymmetricMatrix smcov = smear.getCovariance(new BasicHep3Vector(position));
+        return smcov;

     }
     
     private double getEnergy(List<SimTrackerHit> cluster)