diff -u -r1.1 -r1.2
--- TrackState.java	18 May 2010 20:29:08 -0000	1.1
+++ TrackState.java	26 May 2010 21:04:09 -0000	1.2
@@ -89,4 +89,12 @@

     {
         return true;
     }

+
+    public String toString()
+    {
+        StringBuffer sb = new StringBuffer(" TrackState: \n");
+        sb.append(" global cartesian position: "+vals.get(0)+" "+vals.get(1)+" "+vals.get(2));
+        sb.append(" momentum: "+vals.get(3)+" "+vals.get(4)+" "+vals.get(5));
+        return sb.toString();
+    }

 }

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