StRoot: StEvent/StPrimaryTrack.cxx Source File

00001 /***************************************************************************
00002  *
00003  * $Id: StPrimaryTrack.cxx,v 2.9 2012/05/07 14:42:57 fisyak Exp $
00004  *
00005  * Author: Thomas Ullrich, Sep 1999
00006  ***************************************************************************
00007  *
00008  * Description:
00009  *
00010  ***************************************************************************
00011  *
00012  * $Log: StPrimaryTrack.cxx,v $
00013  * Revision 2.9  2012/05/07 14:42:57  fisyak
00014  * Add handilings for Track to Fast Detectors Matching
00015  *
00016  * Revision 2.8  2009/11/23 16:34:06  fisyak
00017  * Cleanup, remove dependence on dst tables, clean up software monitors
00018  *
00019  * Revision 2.7  2004/07/15 16:36:24  ullrich
00020  * Removed all clone() declerations and definitions. Use StObject::clone() only.
00021  *
00022  * Revision 2.6  2001/05/30 17:45:54  perev
00023  * StEvent branching
00024  *
00025  * Revision 2.5  2001/03/24 03:34:52  perev
00026  * clone() -> clone() const
00027  *
00028  * Revision 2.4  2000/04/03 15:12:50  ullrich
00029  * Fixed bug in vertex(). Always returned 0 instead of
00030  * data member mVertex.
00031  *
00032  * Revision 2.3  1999/11/09 15:44:08  ullrich
00033  * Removed method unlink() and all calls to it.
00034  *
00035  * Revision 2.2  1999/10/28 22:26:10  ullrich
00036  * Adapted new StArray version. First version to compile on Linux and Sun.
00037  *
00038  * Revision 2.1  1999/10/13 19:45:00  ullrich
00039  * Initial Revision
00040  *
00041  **************************************************************************/
00042 #include "TClass.h"
00043 #include "TString.h"
00044 #include "StPrimaryTrack.h"
00045 #include "StPrimaryVertex.h"
00046 #include "StTrackGeometry.h"
00047 ClassImp(StPrimaryTrack)
00048 
00049 static const char rcsid[] = "$Id: StPrimaryTrack.cxx,v 2.9 2012/05/07 14:42:57 fisyak Exp $";
00050 StPrimaryTrack::StPrimaryTrack(): mVertex(0) {/* noop */} 
00051 const StVertex*  StPrimaryTrack::vertex() const{ return mVertex; }
00052 void StPrimaryTrack::setVertex(StVertex* val) {
00053   StPrimaryVertex *p = dynamic_cast<StPrimaryVertex*>(val);
00054   if (p) mVertex = p;
00055 }
00056 
00057 void StPrimaryTrack::Streamer(TBuffer &R__b)
00058 {
00059     // Stream an object of class .
00060 
00061     if (R__b.IsReading()) {
00062        UInt_t R__s, R__c;
00063        Version_t R__v = R__b.ReadVersion(&R__s, &R__c);
00064        if (R__v > 1) {
00065           Class()->ReadBuffer(R__b, this, R__v, R__s, R__c);
00066           return;
00067        }
00068        //====process old versions before automatic schema evolution
00069        StTrack::Streamer(R__b);
00070       
00071 //     R__b >> mVertex;
00072        R__b >> (StPrimaryVertex*&)mVertex;
00073 
00074        R__b.CheckByteCount(R__s, R__c, Class());
00075        //====end of old versions
00076       
00077     } else {
00078        Class()->WriteBuffer(R__b,this);
00079     }
00080 } 
00081 //________________________________________________________________________________
00082 ostream&  operator<<(ostream& os,  const StPrimaryTrack& track) {
00083   Short_t charge = track.geometry()->charge();
00084   StThreeVectorD g3 = track.geometry()->momentum(); // p of global track
00085   os << Form("%4d primary %4d q/pT %8.3f eta %8.3f phi %8.3f",
00086              track.key(),track.flag(),
00087              charge/g3.perp(),g3.pseudoRapidity(),g3.phi());
00088   os << Form(" pxyz %8.3f%8.3f%8.3f",g3.x(),g3.y(),g3.z());
00089   Double_t length = track.length();
00090   if (length > 9999.) length = 9999.;
00091   os << Form(" NP %2d NF %2d L %8.3f chi2 %8.3f/%8.3f", track.numberOfPossiblePoints(),track.fitTraits().numberOfFitPoints(),
00092              length,track.fitTraits().chi2(0),track.fitTraits().chi2(1));
00093   if (track.idTruth())
00094     os << Form(" IdT: %4i Q: %4i", track.idTruth(), track.qaTruth());
00095  return os;
00096 }