DTrackCandidate.h

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// $Id$
//
//    File: DTrackCandidate.h
// Created: Sun Apr  3 12:38:16 EDT 2005
// Creator: davidl (on Darwin Harriet.local 7.8.0 powerpc)
//

#ifndef _DTrackCandidate_
#define _DTrackCandidate_

#include <JANA/JObject.h>
#include <JANA/JFactory.h>
using namespace jana;

#include <TRACKING/DTrackingData.h>
#include <TRACKING/DTrackFitter.h>

class DReferenceTrajectory;

#define MAX_IHITS 256

/// \htmlonly
/// <A href="index.html#legend">
///   <IMG src="CORE.png" width="100">
///   </A>
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/// DTrackCandidate objects are the result of track finding and the
/// input to track fitting. Several algorithms exist for making
/// these and then merging them. For the default, see
/// DTrackCandidate_factory .

class DTrackCandidate:public DTrackingData{
   public:
      JOBJECT_PUBLIC(DTrackCandidate);
      
      DTrackCandidate():chisq(0),Ndof(0),rt(0),IsSmoothed(0){}

      float chisq;         ///< Chi-squared for the track (not chisq/dof!)
      int Ndof;            ///< Number of degrees of freedom in the fit

      const DReferenceTrajectory *rt; ///< pointer to reference trjectory representing this track (if any)
      
      vector<DTrackFitter::pull_t> pulls; // vector of residuals and other track-related quantities 
      
      vector<int>used_cdc_indexes;
      vector<int>used_fdc_indexes;

      // Circle fit data
      double xc,yc,rc;

      // Hit CDC Rings & FDC Planes
      // use the DParticleID Get_CDCRings & Get_FDCPlanes functions to extract the information from these
      unsigned int dCDCRings; //CDC rings where the track has an associated DCDCTrackHit //rings correspond to bits (1 -> 28)
      unsigned int dFDCPlanes; //FDC planes where the track has an associated DFDCPseudoHit //planes correspond to bits (1 -> 24)

      bool IsSmoothed; // Boolean value to indicate whether the smoother was run succesfully over this track.

      void toStrings(vector<pair<string,string> > &items)const{
         DKinematicData::toStrings(items);
         AddString(items, "id", "0x%x", id);
         AddString(items, "chisq", "%f", chisq);
         AddString(items, "Ndof", "%d", Ndof);
      }
};

#endif // _DTrackCandidate_