lcio/doc

diff -u -r1.57 -r1.58
--- lcio.xml	10 Nov 2005 14:04:55 -0000	1.57
+++ lcio.xml	7 Mar 2006 17:42:17 -0000	1.58
@@ -98,6 +98,7 @@

             <data type="pntr" name="MCParticle"></data>
 	    <if condition="(flags&amp;(1&lt;&lt;30)) != 0">
 		<data type="float[3]" name="momentum"></data>

+		<data type="float" name="pathLength"></data>

 	    </if> 
            <if condition="1000*major+minor&gt;1000">
             <data type="ptag" name="this"></data>

lcio/src/aid/EVENT

diff -u -r1.7 -r1.8
--- SimTrackerHit.aid	19 Sep 2005 15:40:26 -0000	1.7
+++ SimTrackerHit.aid	7 Mar 2006 17:42:18 -0000	1.8
@@ -3,7 +3,7 @@

 /** A generic simulated tracker hit. 
  * 
  * @author gaede

- * @version $Id: SimTrackerHit.aid,v 1.7 2005/09/19 15:40:26 gaede Exp $

+ * @version $Id: SimTrackerHit.aid,v 1.8 2006/03/07 17:42:18 gaede Exp $

  */
 
 public interface SimTrackerHit extends LCObject {

@@ -36,4 +36,9 @@

      */ 
     public const float3V getMomentum() const ;
 

+
+    /** The path length of the particle in the sensitive material that resulted in this hit.
+     *  This is only stored together with momentum, i.e. if  LCIO::THBIT_MOMENTUM is set.
+     */
+    public float getPathLength() const ;

 }

lcio/src/cpp/include/IMPL

diff -u -r1.10 -r1.11
--- SimTrackerHitImpl.h	19 Sep 2005 15:40:26 -0000	1.10
+++ SimTrackerHitImpl.h	7 Mar 2006 17:42:18 -0000	1.11
@@ -59,6 +59,10 @@

      */ 
     virtual const float* getMomentum() const ;
 

+    /** The path length of the particle in the sensitive material that resulted in this hit.
+     *  This is only stored together with momentum, i.e. if  LCIO::THBIT_MOMENTUM is set.
+     */
+    virtual float getPathLength() const ;

 
     // ---------- setters ------------------------
     /** Sets the cell id.

@@ -89,6 +93,10 @@

      */
     void setMomentum( float px, float py, float pz )  ;
 

+	/* Set the path length.
+	 */	
+    void setPathLength(float pathLength);
+

   protected:
     int _cellID ;
     double _pos[3] ;

@@ -96,6 +104,7 @@

     float _time ;
     EVENT::MCParticle* _particle ;
     float _p[3] ;

+    float _pathLength ;

 
 }; // class
 } // namespace IMPL

lcio/src/cpp/src/EXAMPLE

diff -u -r1.6 -r1.7
--- dumpevent.cc	21 Oct 2005 13:53:20 -0000	1.6
+++ dumpevent.cc	7 Mar 2006 17:42:18 -0000	1.7
@@ -17,9 +17,9 @@

 
 
   char* FILEN ;

-  int runNumber ;
-  int evtNumber ;
-  int nthEvent ;

+  int runNumber=0 ;
+  int evtNumber=0 ;
+  int nthEvent=1 ;

 
   // read file name from command line (only argument) 
   if( argc < 3 ) {

lcio/src/cpp/src/IMPL

diff -u -r1.10 -r1.11
--- SimTrackerHitImpl.cc	19 Sep 2005 15:40:27 -0000	1.10
+++ SimTrackerHitImpl.cc	7 Mar 2006 17:42:19 -0000	1.11
@@ -2,6 +2,7 @@

 
 using namespace EVENT ;
 

+

 namespace IMPL {
   
   SimTrackerHitImpl::SimTrackerHitImpl() :

@@ -30,6 +31,7 @@

 
   EVENT::MCParticle * SimTrackerHitImpl::getMCParticle() const { return _particle ; }
 

+  float SimTrackerHitImpl::getPathLength() const { return _pathLength ; }

 
   const float* SimTrackerHitImpl::getMomentum() const { return _p ; }
 

@@ -73,6 +75,11 @@

     _p[2] = pz ;
 
   }

+ 	
+  void SimTrackerHitImpl::setPathLength(float pathLength){
+    checkAccess("SimTrackerHitImpl::setPathLength") ;
+    _pathLength = pathLength ;
+  }

lcio/src/cpp/src/SIO

diff -u -r1.9 -r1.10
--- SIOSimTrackHitHandler.cc	19 Sep 2005 15:40:27 -0000	1.9
+++ SIOSimTrackHitHandler.cc	7 Mar 2006 17:42:19 -0000	1.10
@@ -37,6 +37,7 @@

 
     if( LCFlagImpl(_flag).bitSet( LCIO::THBIT_MOMENTUM ) ){
       SIO_DATA( stream ,    hit->_p  , 3 ) ;

+      SIO_DATA( stream ,    &(hit->_pathLength)  , 1 ) ;

     }
 
     // read the pointer tag in case we want to point to hits

@@ -74,6 +75,7 @@

     if( LCFlagImpl(_flag).bitSet( LCIO::THBIT_MOMENTUM ) ){
       float* p = const_cast<float*> ( hit->getMomentum() ) ; 
       SIO_DATA( stream , p  , 3 ) ;

+      LCSIO_WRITE( stream , hit->getPathLength() ) ;

     }
 
     // write a ptag in order to be able to point to tracker hits - from v1.1