SegmentFitterEventData.h

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/*
  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef MUONR4_MUONPATTERNEVENT_SEGMENTFITEVENTDATA__H
#define MUONR4_MUONPATTERNEVENT_SEGMENTFITEVENTDATA__H
 
#include <GeoPrimitives/GeoPrimitives.h>
#include <MuonPatternEvent/MuonHoughDefs.h>
 
 
class ActsGeometryContext;
namespace MuonR4{
    class CalibratedSpacePoint;
    namespace SegmentFit {
        std::pair<Amg::Vector3D, Amg::Vector3D> makeLine(const Parameters& pars);
 
        std::string makeLabel(const Parameters& pars);
        std::string toString(const Parameters& pars);
        std::string toString(const ParamDefs par);
        Amg::Vector3D dirFromTangents(const double tanPhi, const double tanTheta);
        Amg::Vector3D dirFromAngles(const double phi, const double theta);
    }
 
 
    struct SegmentFitResult {
        SegmentFitResult() = default;
        using ParamDefs = SegmentFit::ParamDefs;
        using Parameters = SegmentFit::Parameters;
        using Covariance = SegmentFit::Covariance;
 
        using HitType = std::unique_ptr<CalibratedSpacePoint>;
        using HitVec = std::vector<HitType>;
        
        bool timeFit{false};
        bool hasPhi{false};
        Parameters segmentPars{Parameters::Zero()};
        Covariance segmentParErrs{Covariance::Identity()};
        HitVec calibMeasurements{};
        std::vector<double> chi2PerMeasurement{};
        double chi2{0.};
        int nDoF{0};
        unsigned int nPhiMeas{0};
        unsigned int nTimeMeas{0};
        bool converged{false};
        unsigned int nIter{0};
 
        std::pair<Amg::Vector3D, Amg::Vector3D> makeLine() const {
            return SegmentFit::makeLine(segmentPars);
        }       
   };
 
}
 
#endif