KalFitGemHit.h

Go to the documentation of this file.

// hit in Gem
#ifndef KALFITGEMHIT_H
#define KALFITGEMHIT_H
#include "CgemRecEvent/RecCgemCluster.h"
#include "CLHEP/Matrix/Vector.h"
#include "CLHEP/Matrix/SymMatrix.h"
#include "CLHEP/Matrix/Matrix.h"
#include <vector>
 
using namespace std;
using namespace CLHEP;
 
class KalFitGemHit
{
    public:
        KalFitGemHit(double phi, double v, int layer,int sheet);
        ~KalFitGemHit();
 
        double getPhi() const {return myPhi;};
        double getZ()   const {return myZ;};
        double getR()   const {return myR;};
 
        HepVector getVecPos() const 
        {
            HepVector vec(2);
            vec(1)=myPhi;
            vec(2)=myZ;
            return vec;
        }
 
        HepSymMatrix getErrMat() const
        {
            HepSymMatrix EGem(2,0);
            EGem(1,1)=myErrPhi*myErrPhi; //error^2 in r*phi/r (rad)
            EGem(2,2)=myErrZ*myErrZ;  //error^2 in z (mm)
            return EGem;
        }
 
    private:
        double myPhi; //in rad 
        double myZ;   //in mm
        double myR;   //in mm
 
        double myErrPhi;// error of phi
        double myErrZ;  // error of Z
        double myErrR;  // error of R
};
 
typedef vector<KalFitGemHit> KalFitGemHitCol;
 
#endif