/*
 * PndFtsCellTrackletGenerator.h
 *
 *  Created on: May 24, 2016
 *      Author: kibellus
 */
#include <vector>
#include <map>
#include <algorithm>

#include "PndFtsHit.h"
#include "PndTrackCand.h"

#include "TMath.h"
#include "TVector3.h"
#include "TLine.h"

#ifndef PNDTOOLS_PNDFORWARDTRACKFINDER_PNDFTSCELLTRACKLETGENERATOR_H_
#define PNDTOOLS_PNDFORWARDTRACKFINDER_PNDFTSCELLTRACKLETGENERATOR_H_
using namespace std;
class PndFtsCellTrackletGenerator {
public:
	PndFtsCellTrackletGenerator();
	virtual ~PndFtsCellTrackletGenerator();
	void reset();
	void setHits(std::vector<PndFtsHit*> hits);
	void findTracks();
	map<Int_t, vector<PndTrackCand>> getTracklets(){return fTracklets;}
private:
	std::vector<PndFtsHit*> fHits;
	map<Int_t, vector<PndTrackCand>> fTracklets;

	void findTracks(map<Int_t, vector<PndFtsHit*>>, Int_t layer);
	map<Int_t,vector<PndFtsHit*>> splitLayers(vector<PndFtsHit*> hits);
	map<Int_t, PndTrackCand> FindTracklets(vector<PndFtsHit*> hits);
	map<Int_t, std::vector<Int_t> > getNeighbors(vector<PndFtsHit*> hits);

	void transform(Bool_t transToNewSystem, PndFtsHit* hit);
	TMatrix getRotationMatrix(Double_t angle);
	//ClassDef(PndFtsCellTrackletGenerator,1);
};

#endif /* PNDTOOLS_PNDFORWARDTRACKFINDER_PNDFTSCELLTRACKLETGENERATOR_H_ */