//-----------------------------------------------------------
// File and Version Information:
// $Id$
//
// Description:
//      Associates Tpc Clusters to the Laser Grid and 
//      builds GFTracks 
//      (uses the GFReps from TpcLaserGrid)
//	
//      
//
// Environment:
//      Software developed for the GEM-TPC detector.
//
// Author List:
//      Felix Boehmer           TUM      (original author)  
//
//-----------------------------------------------------------

#ifndef TPCLASERMATCHINGTASK_H
#define TPCLASERMATCHINGTASK_H

//Base class
#include "FairTask.h"
#include "TString.h"


// Collaborating Class Declarations --------------------------------------

class TClonesArray;
class TpcDigiPar;
class GFRecoHitFactory;

class TpcLaserMatchingTask : public FairTask {

public:

// Constructor -----------------------------------------------------------

  TpcLaserMatchingTask();			//default constructor
  virtual ~TpcLaserMatchingTask();
  
  virtual InitStatus Init();		//needs to be overidden as usual
  virtual void Exec(Option_t* opt);	//...
  
  virtual void SetParContainers();
  
  void SetPersistence(bool opt=true) {fPersistence=opt;} 
  //write out residuals during matching; default: off
  void SetVerboseResiduals(bool verb=true, bool ps=true) {fVerbose=verb; fPreSelect=ps;}
  void SetClusterBranchName(const TString& name) {fClusterBranchName=name;}
  void SetDistCut(double md) {fMaxDist=md;}



private:

 TString fClusterBranchName;
 TString fResidualBranchName;
  
 bool fPersistence;       
 bool fVerbose;                                 //write residuals during matching :
 bool fPreSelect;                               //    true: before finding the best match
                                                //    false: only after  

 TClonesArray* fClusterArray;
 TClonesArray* fGFTrackArray;
 TClonesArray* fResidualArray;
  
 TpcDigiPar* fPar;  

 double fZMin, fZMax, fRMin, fRMax;
 double fMaxDist;                               //(cm)
 unsigned int fMatched;                         //statistics
 unsigned int fNotMatched;   

 GFRecoHitFactory* fFactory;                    //for finalizing the GFTracks

public:
  ClassDef(TpcLaserMatchingTask,2)
	
};

#endif