diff -u -r1.6 -r1.7
--- FastTrackAnalysisDriver.java	30 Aug 2012 16:56:03 -0000	1.6
+++ FastTrackAnalysisDriver.java	5 Sep 2012 19:40:05 -0000	1.7
@@ -55,7 +55,7 @@

     public String outputTextName = "myevents.txt";
     FileWriter fw;
     PrintWriter pw;

-    double[] beamsize = {0.001, 0.02, 0.02};

+    double[] beamsize = {0.001, 0.2, 0.02};

     String _config = "Test";
 // flipSign is a kludge...
 //  HelicalTrackFitter doesn't deal with B-fields in -ive Z correctly

@@ -82,7 +82,14 @@

         _minLayers = mintrkLayers;
     }
 

-   

+    public void setBeamSigmaX(double sigma){
+        beamsize[1]=sigma;  //the beamsize[] array is in tracking frame
+    }
+    
+     public void setBeamSigmaY(double sigma){
+        beamsize[2]=sigma;   //the beamsize[] array is in tracking frame
+    }
+      

 
     public void process(
             EventHeader event) {