/*
 * PndTrackFromCircle.h
 *
 *  Created on: 10.10.2014
 *      Author: Stockmanns
 */

#ifndef PndTrackFromCircle_H_
#define PndTrackFromCircle_H_

#include <set>
#include <map>
#include <vector>

#include "TObject.h"
#include "TH2D.h"

#include "FairHit.h"

#include "PndTrack.h"
#include "PndTrackCand.h"

class TVector2;


class PndTrackFromCircle : public TObject {
public:
	PndTrackFromCircle();
	virtual ~PndTrackFromCircle();

	PndTrack CalcPndTrack(PndTrackCand cand, TVector2 circle, Double_t radius, Double_t bField);
	Double_t CalcArcLength(FairHit hit, TVector2 circleCenter, Double_t radius);
 	Double_t CalcPt(TVector2 circleCenter, Double_t radius, Double_t bField);
 	Bool_t Clockwise(FairHit firstHit, FairHit lastHit, FairHit intermediateHit, TVector2 circleCenter);

protected:

	FairTrackParP CalcTrackParP(FairHit hit, TVector2 circleCenter, Double_t radius, Double_t bField);
	TVector3 CalcHitPosInTrack(FairHit hit, TVector2 circleCenter, Double_t radius);
	TVector2 CalcPtDir(TVector2 hit, TVector2 circleCenter);

//	void FillHistogram();

private:

public:
	ClassDef(PndTrackFromCircle, 1);
};

#endif /* PndTrackFromCircle_H_ */