lcsim/src/org/lcsim/mc/fast/tracking/fix

diff -u -r1.2 -r1.3
--- FastMCTrackFactory.java	17 Dec 2008 18:25:22 -0000	1.2
+++ FastMCTrackFactory.java	2 Apr 2011 16:35:41 -0000	1.3
@@ -1,5 +1,5 @@

 /**

- * @version $Id: FastMCTrackFactory.java,v 1.2 2008/12/17 18:25:22 jstrube Exp $

+ * @version $Id: FastMCTrackFactory.java,v 1.3 2011/04/02 16:35:41 jstrube Exp $

  */
 package org.lcsim.mc.fast.tracking.fix;
 

@@ -45,6 +45,8 @@

     private ConditionsManager _manager;
     private double _Bz;
     private HelixSwimmer _swimmer;

+    private static Random rDummy = new Random();
+    private static SpacePoint pDummy = new SpacePoint();

 
     /**
      * This constructor obtains the necessary information for construction like the field and the resolution tables from

@@ -92,6 +94,17 @@

         return t;
     }
     

+    /**
+     * Creates a track from an MCParticle without smearing the parameters
+     * @param part The MCParticle that is transformed to a track
+     * @return A FastMCTrack instance that contains information about the particle that was used as input
+     */
+    public Track getUnsmearedTrack(MCParticle part) {
+        FastMCTrack t = (FastMCTrack) getTrack(new SpaceVector(part.getMomentum()), new SpacePoint(part.getOrigin()), pDummy, (int) part.getCharge(), rDummy, false);
+        t._particle = part;
+        return t;
+    }
+    

     
     /**
      * Creates a new Track with the given parameters.

@@ -103,7 +116,7 @@

      * @return A new NewTFastMCTrackect with the desired properties
      */
     public Track getTrack(SpaceVector momentum, SpacePoint location, int charge) {

-        return getTrack(momentum, location, new SpacePoint(), charge, new Random());

+        return getTrack(momentum, location, pDummy, charge, rDummy);

     }
 
     /**

@@ -117,7 +130,7 @@

      * @return A new NewTrFastMCTrackct with the desired properties
      */
     public Track getTrack(SpaceVector momentum, SpacePoint location, int charge, Random random) {

-        return getTrack(momentum, location, new SpacePoint(), charge, random);

+        return getTrack(momentum, location, pDummy, charge, random);

     }
 
     /**

@@ -131,7 +144,7 @@

      * @return A new NewTrFastMCTrackct with the desired properties
      */
     public Track getTrack(SpaceVector momentum, SpacePoint location, SpacePoint referencePoint, int charge) {

-        return getTrack(momentum, location, referencePoint, charge, new Random());

+        return getTrack(momentum, location, referencePoint, charge, rDummy);

     }
 
     /**

@@ -193,7 +206,7 @@

     }
     
     public Track getTrack(Hep3Vector momentum, Hep3Vector location, int charge) {

-        return getTrack(new SpaceVector(momentum), new SpacePoint(location), new SpacePoint(), charge, new Random());

+        return getTrack(new SpaceVector(momentum), new SpacePoint(location), pDummy, charge, rDummy);

     }
     
     /**