#ifndef __HPARTICLETOOL_H__
#define __HPARTICLETOOL_H__

#include "TObject.h"
#include "TObjArray.h"
#include "TLorentzVector.h"
#include "TH1.h"


class HRichHit;
class HTofHit;
class HTofCluster;
class HRpcCluster;
class HShowerHit;
class HMetaMatch2;
class HMdcTrkCand;
class HMdcSeg;
class HMdcHit;
class HMdcClusInf;
class HMdcClusFit;
class HMdcClus;

class HGeantKine;

class HParticleTool : public TObject {

public:

    HParticleTool();
    ~HParticleTool();

    static  Float_t  phiSecToLabDeg(Int_t sec, Float_t phiRad);
    static  Float_t  thetaToLabDeg(Float_t thetaRad);
    static  Float_t  phiLabToPhiSecDeg(Float_t phiLabDeg);
    static  Int_t    phiLabToSec(Float_t phiLabDeg);
    static  Float_t  getOpeningAngle(Float_t phi1,Float_t theta1,Float_t phi2,Float_t theta2);
    static  void     getTLorentzVector(HGeantKine* kine, TLorentzVector& vec);
    static  Float_t  getLabPhiDeg(TLorentzVector& vec);

    static  Int_t    findFirstHitInTof         (Int_t trackID,Int_t modeTrack = 2);
    static  Int_t    findFirstHitShowerInTofino(Int_t trackID,Int_t modeTrack = 2);
    static  Int_t    findFirstHitShowerInRpc   (Int_t trackID,Int_t modeTrack = 2);
    static  Float_t  getInterpolatedValue(TH1* h, Float_t xVal,Bool_t warn = kTRUE);
    static  Stat_t   getValue(TH1* h,Float_t xVal, Float_t yVal = 0.0f, Float_t zVal = 0.0f);


    static HRichHit*    getRichHit   (Int_t richind);
    static HTofHit*     getTofHit    (Int_t tofind);
    static HTofCluster* getTofCluster(Int_t tofind);
    static HRpcCluster* getRpcCluster(Int_t rpcind);
    static HShowerHit*  getShowerHit (Int_t showerind);

    static HMetaMatch2* getMetaMatch (Int_t metaind);
    static HMdcTrkCand* getMdcTrkCand(Int_t metaind);
    static HMdcSeg*     getMdcSeg    (Int_t segind);
    static HMdcHit*     getMdcHit    (Int_t segind,Int_t nhit = 0);
    static HMdcClusInf* getMdcClusInf(Int_t segind,Int_t nhit = 0);
    static HMdcClusFit* getMdcClusFit(Int_t segind);
    static HMdcClus*    getMdcClus   (Int_t segind);
    static TObjArray*   getMdcWireFitSeg (Int_t segind);
    static TObjArray*   getMdcCal1Seg    (Int_t segind);
    static TObjArray*   getMdcCal1Cluster(Int_t segind);



    ClassDef(HParticleTool,0)
};

#endif //__HPARTICLETOOL_H__