//-----------------------------------------------------------
// File and Version Information:
// $Id$
//
// Description:
//      an xyz reco hit (z being considered as a free parameter)
//      hitCoord=(x,y)^T
//      s=z
//
// Environment:
//      Software developed for the PANDA Detector at FAIR.
//
// Author List:
//      Sebastian Neubert    TUM            (original author)
//      Felix Boehmer        TUM
//
//-----------------------------------------------------------

#ifndef TPCSPHIT_HH
#define TPCSPHIT_HH

// Base Class Headers ----------------
//#include "GFRecoHitIfc.h"
//#include "GFSpacepointHitPolicy.h"
#include <iostream>
#include <stdio.h>
#include "RecoHits/GFAbsSpacepointHit.h"

// Collaborating Class Headers -------
#include <ostream> // remove if you do not need streaming op


// Collaborating Class Declarations --

class FairMCPoint;
class TpcCluster;

//typedef GFRecoHitIfc<GFSpacepointHitPolicy> SpacepointRecoHit;

class TpcSPHit : public GFAbsSpacepointHit {

public:

	// Constructors/Destructors ---------
	TpcSPHit();
	TpcSPHit(double x, double y, double z,
			double sigx, double sigy, double sigz);
	TpcSPHit(const TVector3& pos,
			const TVector3& sig);

	TpcSPHit(FairMCPoint* point);  //for testing purposes
	TpcSPHit(const TpcCluster* cluster,  bool weightedPlaneConstruction=false, bool cutCov=false);
	TpcSPHit(const TpcSPHit* hit); //pseudo copy constructor to work with RecoHitFact.

	virtual ~TpcSPHit();

	virtual GFAbsRecoHit* clone();


	// Operations ----------------------
	virtual const TMatrixD& getHMatrix(const GFAbsTrackRep* stateVector);

	double amp() const {return _amp;}
	int getClusterID() const {return _clusterID;}
	int getClusterBranchID() const {return _clusterBranchID;}

	TMatrixD getHitCov(){return fHitCovBackup;}

	void setClusterID(unsigned int clId) {_clusterID = clId;}
	void setClusterBranchID(int n) {_clusterBranchID = n;}

	void setHitCov(const TMatrixDSym&);
	void setHitCoord(const TVectorD&);

	void setUseParam(bool opt=true){_useParam=opt;}

	void getMeasurement(const GFAbsTrackRep* rep,
			const GFDetPlane& pl,
			const TVectorD& statePred,
			const TMatrixDSym& covPred,
			TVectorD& m,
			TMatrixDSym& V);
	TVector3 getPos();



private:

	// Private Data Members ------------
	double _amp;
	int _clusterID;
	int _clusterBranchID;  //use with FairRootManager::GetBranchName(int)

	bool _useParam;

public:
	ClassDef(TpcSPHit,6)

};

class PndTpcSPHit : public TpcSPHit {

public:
	ClassDef(PndTpcSPHit,11)

};

#endif

//--------------------------------------------------------------
// $Log$
//--------------------------------------------------------------