ITrackSeedingTool.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
#ifndef MUONRECTOOLINTERFACESR4_ITRACKSEEDINGTOOL_H
#define MUONRECTOOLINTERFACESR4_ITRACKSEEDINGTOOL_H
 
#include "GaudiKernel/IAlgTool.h"
#include "GaudiKernel/EventContext.h"
 
 
#include "Acts/EventData/BoundTrackParameters.hpp"
 
#include "xAODMuon/MuonSegmentContainer.h"
 
#include <span>
 
namespace MuonR4 {
    class MsTrackSeed;
}
 
namespace MuonR4 {
    class ITrackSeedingTool : virtual public IAlgTool {
        public:
            virtual ~ITrackSeedingTool() = default;
            DeclareInterfaceID(MuonR4::ITrackSeedingTool, 1, 0);
            virtual StatusCode findTrackSeeds(const EventContext& ctx,
                                              std::vector<MsTrackSeed>& outSeeds) const = 0;
 
            virtual Acts::Result<Acts::BoundTrackParameters> 
                                estimateStartParameters(const EventContext& ctx,
                                                        const MsTrackSeed& seed) const = 0;
 
            using PosMomPair_t = std::pair<Amg::Vector3D, Amg::Vector3D>;
 
            virtual double estimateQtimesP(const EventContext& ctx,
                                           const Amg::Vector3D& planeNorm,
                                           std::span<const PosMomPair_t> circlePoints) const = 0;
 
 
    };
}
#endif