IStripClusteringTool.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef ACTSTOOLINTERFACES_ISTRIPSTRIPCLUSTERINGTOOL_H
#define ACTSTOOLINTERFACES_ISTRIPSTRIPCLUSTERINGTOOL_H
 
#include <GaudiKernel/IAlgTool.h>
#include <InDetIdentifier/SCT_ID.h>
#include <InDetRawData/InDetRawDataCollection.h>
#include <InDetRawData/SCT_RDO_Container.h>
#include <InDetRawData/SCT_RDORawData.h>
#include <InDetReadoutGeometry/SiDetectorElement.h>
#include <InDetReadoutGeometry/SiDetectorElementStatus.h>
#include <xAODInDetMeasurement/StripClusterContainer.h>
#include <xAODInDetMeasurement/StripClusterAuxContainer.h>
#include <Acts/Clusterization/Clusterization.hpp>
#include <any>
 
namespace ActsTrk {
 
class IStripClusteringTool : virtual public IAlgTool {
public:
  DeclareInterfaceID(IStripClusteringTool, 1, 0);
 
  using RDOContainer = SCT_RDO_Container;
  using RawDataCollection = RDOContainer::base_value_type;
  using IDHelper = SCT_ID;
  using ClusterContainer = xAOD::StripClusterContainer;
  using ClusterAuxContainer = xAOD::StripClusterAuxContainer;
  
  struct Cell {
    size_t index;
    Identifier id;
    std::bitset<3> timeBits;
    
    Cell(size_t i, Identifier id, const std::bitset<3>& timeBits)
      : index(i), id(id), timeBits(timeBits) {}
  };  
  using CellCollection = std::vector<Cell>;
  
  struct Cluster {
    std::vector<Identifier::value_type> ids;
    uint16_t hitsInThirdTimeBin{0};
  };  
  using ClusterCollection = std::vector<Cluster>;
  
  virtual StatusCode
  clusterize(const EventContext& ctx,
         const RawDataCollection& RDOs,
         const InDet::SiDetectorElementStatus& stripDetElStatus,
         const InDetDD::SiDetectorElement& element,
       Acts::Ccl::ClusteringData& data,
         std::vector<ClusterCollection>& collection) const = 0;
  
  virtual std::any makeVars (SG::AuxVectorData& cont) const = 0;
 
  virtual StatusCode
  makeClusters(const EventContext& ctx,
           ClusterCollection& cluster,
           const InDetDD::SiDetectorElement& element,
               size_t icluster,
               std::any& vars,
           typename ClusterContainer::iterator itrContainer) const = 0;
};
  
} // namespace
 
#endif