FPGATrackSimLogicalHitsProcessAlg.h

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// Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
 
#ifndef FPGATrackSim_LOGICALHITSPROCESSALG_H
#define FPGATrackSim_LOGICALHITSPROCESSALG_H
 
/*
 * Please put a description on what this class does
 */
 
#include "AthenaBaseComps/AthAlgorithm.h"
#include "GaudiKernel/ToolHandle.h"
#include "FPGATrackSimInput/FPGATrackSimOutputHeaderTool.h"
#include "FPGATrackSimObjects/FPGATrackSimEventInfo.h"
#include "FPGATrackSimInput/IFPGATrackSimEventInputHeaderTool.h"
#include "FPGATrackSimHough/IFPGATrackSimRoadFilterTool.h"
#include "FPGATrackSimHough/IFPGATrackSimRoadFinderTool.h"
#include "FPGATrackSimHough/FPGATrackSimRoadUnionTool.h"
#include "FPGATrackSimMaps/FPGATrackSimSpacePointsToolI.h"
#include "FPGATrackSimMaps/IFPGATrackSimHitFilteringTool.h"
#include "FPGATrackSimBanks/IFPGATrackSimBankSvc.h"
#include "FPGATrackSimMaps/FPGATrackSimClusteringToolI.h"
#include "FPGATrackSimMaps/IFPGATrackSimMappingSvc.h"
#include "FPGATrackSimMaps/FPGATrackSimSlicingEngineTool.h"
#include "FPGATrackSimConfTools/IFPGATrackSimEventSelectionSvc.h"
#include "FPGATrackSimInput/FPGATrackSimRawToLogicalHitsTool.h"
#include "FPGATrackSimInput/FPGATrackSimReadRawRandomHitsTool.h"
#include "FPGATrackSimHough/FPGATrackSimHoughRootOutputTool.h"
#include "FPGATrackSimLRT/FPGATrackSimLLPRoadFilterTool.h"
#include "FPGATrackSimObjects/FPGATrackSimEventInputHeader.h"
#include "FPGATrackSimSGInput/IFPGATrackSimInputTool.h"
 
#include "AthenaMonitoringKernel/Monitored.h"
 
#include <fstream>
 
#include "StoreGate/StoreGateSvc.h"
#include "FPGATrackSimObjects/FPGATrackSimEventInfoCollection.h"
#include "FPGATrackSimObjects/FPGATrackSimClusterCollection.h"
#include "FPGATrackSimObjects/FPGATrackSimHitCollection.h"
#include "FPGATrackSimObjects/FPGATrackSimHitContainer.h"
#include "FPGATrackSimObjects/FPGATrackSimRoadCollection.h"
#include "FPGATrackSimObjects/FPGATrackSimTrackCollection.h"
#include "FPGATrackSimObjects/FPGATrackSimTruthTrackCollection.h"
#include "FPGATrackSimObjects/FPGATrackSimOfflineTrackCollection.h"
#include "StoreGate/WriteHandleKey.h"
#include "StoreGate/WriteHandleKeyArray.h"
#include "StoreGate/ReadHandleKey.h"
#include "StoreGate/ReadHandleKeyArray.h"
 
#include "GeneratorObjects/xAODTruthParticleLink.h"
#include "xAODTruth/TruthParticleContainer.h"
 
class FPGATrackSimHoughRootOutputTool;
class FPGATrackSimLLPRoadFilterTool;
class FPGATrackSimNNTrackTool;
class FPGATrackSimOverlapRemovalTool;
class FPGATrackSimTrackFitterTool;
class FPGATrackSimEtaPatternFilterTool;
 
class FPGATrackSimCluster;
class FPGATrackSimHit;
class FPGATrackSimRoad;
class FPGATrackSimLogicalEventInputHeader;
class FPGATrackSimLogicalEventOutputHeader;
class FPGATrackSimTrack;
class FPGATrackSimDataFlowInfo;
 
class FPGATrackSimLogicalHitsProcessAlg : public AthAlgorithm
{
    public:
        FPGATrackSimLogicalHitsProcessAlg(const std::string& name, ISvcLocator* pSvcLocator);
        virtual ~FPGATrackSimLogicalHitsProcessAlg() = default;
 
        virtual StatusCode initialize() override;
        virtual StatusCode execute() override;
        virtual StatusCode finalize() override;
 
    private:
 
        std::string m_description;
 
        // Handles
        ToolHandle<FPGATrackSimSpacePointsToolI>         m_spacepointsTool {this, "SpacePointTool", "FPGATrackSimSpacePointsTool/FPGATrackSimSpacePointsTool", "Space Points Tool"};
        ToolHandle<FPGATrackSimRoadUnionTool>            m_roadFinderTool {this, "RoadFinder", "FPGATrackSimPatternMatchTool", "Road Finder Tool"};
        ToolHandle<FPGATrackSimLLPRoadFilterTool>        m_LRTRoadFilterTool {this, "LRTRoadFilter", "FPGATrackSimLLPRoadFilterTool/FPGATrackSimLLPRoadFilterTool", "LRT Road Filter Tool"};
        ToolHandle<IFPGATrackSimRoadFinderTool>          m_LRTRoadFinderTool {this, "LRTRoadFinder", "FPGATrackSimHoughTransform_d0phi0_Tool/FPGATrackSimHoughTransform_d0phi0_Tool", "LRT Road Finder Tool"};
        ToolHandle<IFPGATrackSimRoadFilterTool>          m_roadFilterTool {this, "RoadFilter", "FPGATrackSimEtaPatternFilterTool", "Road Filter Tool"};
        ToolHandle<IFPGATrackSimRoadFilterTool>          m_roadFilterTool2 {this, "RoadFilter2", "FPGATrackSimPhiRoadFilterTool", "Road Filter2 Tool"};
        ToolHandle<FPGATrackSimNNTrackTool>              m_NNTrackTool {this, "NNTrackTool", "FPGATrackSimNNTrackTool/FPGATrackSimNNTrackTool", "NN Track Tool"};
        ToolHandle<FPGATrackSimHoughRootOutputTool>      m_houghRootOutputTool {this, "HoughRootOutputTool", "FPGATrackSimHoughRootOutputTool/FPGATrackSimHoughRootOutputTool", "Hough ROOT Output Tool"};
        ToolHandle<FPGATrackSimTrackFitterTool>          m_trackFitterTool_1st {this, "TrackFitter_1st", "FPGATrackSimTrackFitterTool/FPGATrackSimTrackFitterTool_1st", "1st stage track fit tool"};
        ToolHandle<FPGATrackSimOverlapRemovalTool>       m_overlapRemovalTool_1st {this, "OverlapRemoval_1st", "FPGATrackSimOverlapRemovalTool/FPGATrackSimOverlapRemovalTool_1st", "1st stage overlap removal tool"};
        ToolHandle<FPGATrackSimOutputHeaderTool>         m_writeOutputTool {this, "OutputTool", "FPGATrackSimOutputHeaderTool/FPGATrackSimOutputHeaderTool", "Output tool"};
        ToolHandle<FPGATrackSimSlicingEngineTool>        m_slicingEngineTool {this, "SlicingEngineTool", "FPGATrackSimSlicingEngineTool/FPGATrackSimSlicingEngineTool", "Slicing engine tool"};
        ServiceHandle<IFPGATrackSimMappingSvc>           m_FPGATrackSimMapping {this, "FPGATrackSimMapping", "FPGATrackSimMappingSvc", "FPGATrackSimMappingSvc"};
        ServiceHandle<IFPGATrackSimEventSelectionSvc>    m_evtSel {this, "eventSelector", "", "Event selection Svc"};
        // chrono service
        ServiceHandle<IChronoStatSvc> m_chrono{this,"ChronoStatSvc","ChronoStatSvc"};
 
        // Flags
        Gaudi::Property<int> m_SetTruthParametersForTracks {this, "SetTruthParametersForTracks", -1, "flag to override track parameters and set them to the truth values"};
        Gaudi::Property<bool> m_doSpacepoints {this, "Spacepoints", false, "flag to enable the spacepoint formation"};
        Gaudi::Property<bool> m_doTracking {this, "tracking", false, "flag to enable the tracking"};
        Gaudi::Property<bool> m_doOverlapRemoval {this, "doOverlapRemoval", true , "flag to enable the overlap removal"}; // defaul true to not change functionality
        Gaudi::Property<bool> m_doMissingHitsChecks {this, "DoMissingHitsChecks", false};
        Gaudi::Property<bool> m_filterRoads  {this, "FilterRoads", false, "enable first road filter"};
        Gaudi::Property<bool> m_filterRoads2  {this, "FilterRoads2", false,  "enable second road filter"};
        Gaudi::Property<bool> m_doHoughRootOutput1st {this, "DoHoughRootOutput1st", false, "Dump output from the Hough Transform to flat ntuples"};
        Gaudi::Property<bool> m_doNNTrack  {this, "DoNNTrack_1st", false, "Run NN track filtering for 1st stage"};
        Gaudi::Property<bool> m_doGNNTrack {this, "DoGNNTrack", false, "Run tracking algorithm for GNN" };
        Gaudi::Property<bool> m_doGNNPixelSeeding {this, "DoGNNPixelSeeding", false, "Flag to configure for GNN Pixel Seeding" };
        Gaudi::Property<bool> m_doLRT {this, "doLRT", false, "Enable Large Radius Tracking"};
        Gaudi::Property<bool> m_doLRTHitFiltering {this, "LRTHitFiltering", false, "flag to enable hit/cluster filtering for LRT"};
        Gaudi::Property<bool> m_writeOutputData  {this, "writeOutputData", true,"write the output TTree"};
        Gaudi::Property<float> m_trackScoreCut {this, "TrackScoreCut", 25.0, "Minimum track score (e.g. chi2 or NN)." };
        Gaudi::Property<bool> m_writeOutNonSPStripHits {this, "writeOutNonSPStripHits", true, "Write tracks to RootOutput if they have strip hits which are not SPs"};
        Gaudi::Property <int> m_NumOfHitPerGrouping { this, "NumOfHitPerGrouping", 5, "Number of minimum overlapping hits for a track candidate to be removed in the HoughRootOutputTool"};
        Gaudi::Property<bool> m_passLowestChi2TrackOnly {this,"passLowestChi2TrackOnly", false, "case when passing only lowest chi2 track per road"};
        Gaudi::Property<bool> m_secondStageStrips {this, "secondStageStrips", true, "If set to true, strip hits/SPs go to the second stage. Otherwise they go to the first." };
        Gaudi::Property<bool> m_outputRoadUnionTool {this, "outputRoadUnionTool", false, "If set to true, create LogicalEventInputHeader in output ROOT file using road union tool."};
        Gaudi::Property<int> m_region {this, "Region", 0, "Region ID to assign to tracks"};
 
        // Properties for the output header tool.
        Gaudi::Property<std::string> m_sliceBranch  {this, "SliceBranchName", "LogicalEventSlicedHeader", "Name of the branch for sliced hits in output ROOT file." };
        Gaudi::Property<std::string> m_outputBranch {this, "outputBranchName", "LogicalEventOutputHeader", "Name of the branch for output data in output ROOT file." };
        Gaudi::Property<std::string> m_sliceFirstPixelBranch {this, "FirstPixelBranchName", "LogicalEventFirstPixelHeader", "Name of the branch for first stage pixel hits in output ROOT file"};
        Gaudi::Property<std::string> m_sliceSecondPixelBranch {this, "SecondPixelBranchName", "LogicalEventSecondPixelHeader", "Name of the branch for second stage pixel hits in output ROOT file"};
        Gaudi::Property<std::string> m_sliceStripBranch {this, "StripBranchName", "LogicalEventSpacepointHeader", "Name of the branch for (post-SP) strip hits in output ROOT file"};
        Gaudi::Property<std::string> m_sliceStripBranchPreSP {this, "StripPreSPBranchName", "LogicalEventStripHeader", "Name of the branch for (pre-SP) strip hits in output ROOT file"};
 
        // ROOT pointers.
        FPGATrackSimLogicalEventInputHeader*  m_slicedHitHeader = nullptr;
        FPGATrackSimLogicalEventInputHeader*  m_slicedFirstPixelHeader = nullptr;
        FPGATrackSimLogicalEventInputHeader*  m_slicedSecondPixelHeader = nullptr;
        FPGATrackSimLogicalEventInputHeader*  m_slicedStripHeader = nullptr;
        FPGATrackSimLogicalEventInputHeader*  m_slicedStripHeaderPreSP = nullptr;
        FPGATrackSimLogicalEventOutputHeader* m_logicEventOutputHeader = nullptr;
 
        // Event storage
        std::vector<FPGATrackSimTrack>   m_tracks_1st_guessedcheck, m_tracks_1st_nomiss, m_tracks_2nd_guessedcheck, m_tracks_2nd_nomiss;
        std::vector<FPGATrackSimCluster> m_spacepoints{};
 
        // internal counters
        double m_evt = 0; // number of events passing event selection, independent of truth
        long m_nRoadsTot = 0; // total number of roads in those events
        long m_nTracksTot = 0; // total number of tracks in those events
        long m_nTracksChi2Tot = 0; // total number of tracks passing chi2 in those events
        long m_nTracksChi2OLRTot = 0; // total number of tracks passing chi2 and OLR in those events
 
        double m_evt_truth = 0; // number of events passing event selection and having a truth object
        long m_nRoadsFound = 0; // total number of those events with at least one road
        long m_nTracksFound = 0; // total number of those events with at least one track
        long m_nTracksChi2Found = 0; // total number of those events with at least one track passing chi2
        long m_nTracksChi2OLRFound = 0; // total number of those events with at least one track passing chi2 and OLR
 
        unsigned long m_maxNRoadsFound = 0; // max number of roads in an event
        unsigned long m_maxNTracksTot = 0; // max number of tracks in an event
        unsigned long m_maxNTracksChi2Tot = 0; // max number of tracks passing chi2 in an event
        unsigned long m_maxNTracksChi2OLRTot = 0; // max number of tracks passing chi2 and OLR in an events
 
 
        StatusCode writeOutputData(const std::vector<std::shared_ptr<const FPGATrackSimRoad>> & roads_1st, std::vector<FPGATrackSimTrack> const & tracks_1st,
                                   FPGATrackSimDataFlowInfo const * dataFlowInfo);
 
        void printHitSubregions(std::vector<FPGATrackSimHit> const & hits);
 
        ToolHandle<GenericMonitoringTool> m_monTool{this,"MonTool", "", "Monitoring tool"};
 
        // Read hits from data prep algorithm. TODO: regionalize.
        SG::ReadHandleKey<FPGATrackSimHitCollection> m_FPGAHitKey {this, "FPGATrackSimHitKey","FPGAHits", "FPGATrackSim hits key"};
 
        // Write out spacepoints too, since we do that after the slicing engine.
        SG::WriteHandleKey<FPGATrackSimClusterCollection> m_FPGASpacePointsKey{this, "FPGATrackSimSpacePoints1stKey","FPGASpacePoints_1st","FPGATrackSim SpacePoints key"};
 
        // Write out roads, hits in roads, and tracks.
        SG::WriteHandleKey<FPGATrackSimHitCollection> m_FPGAHitKey_1st{this, "FPGATrackSimHitKey_1st","FPGAHits_1st","FPGATrackSim 1st stage hits key"};
        SG::WriteHandleKey<FPGATrackSimHitCollection> m_FPGAHitKey_2nd{this, "FPGATrackSimHitKey_2nd","FPGAHits_2nd","FPGATrackSim 2nd stage hits key"};
        SG::WriteHandleKey<FPGATrackSimHitCollection> m_FPGAHitFilteredKey{this, "FPGATrackSimHitFiltered1stKey","FPGAHitsFiltered_1st","FPGATrackSim Filtered Hits 1st stage key"};
        SG::WriteHandleKey<FPGATrackSimHitContainer> m_FPGAHitInRoadsKey{this, "FPGATrackSimHitInRoads1stKey","FPGAHitsInRoads_1st","FPGATrackSim Hits in 1st stage roads key"};
        SG::WriteHandleKey<FPGATrackSimRoadCollection> m_FPGARoadKey{this, "FPGATrackSimRoad1stKey","FPGARoads_1st","FPGATrackSim Roads 1st stage key"};
        SG::WriteHandleKey<FPGATrackSimTrackCollection> m_FPGATrackKey{this, "FPGATrackSimTrack1stKey","FPGATracks_1st","FPGATrackSim Tracks 1st stage key"};
 
        SG::ReadHandleKey<FPGATrackSimTruthTrackCollection> m_FPGATruthTrackKey {this, "FPGATrackSimTruthTrackKey", "FPGATruthTracks", "FPGATrackSim truth tracks"};
        SG::ReadHandleKey<FPGATrackSimOfflineTrackCollection> m_FPGAOfflineTrackKey {this, "FPGATrackSimOfflineTrackKey", "FPGAOfflineTracks", "FPGATrackSim offline tracks"};
        SG::ReadHandleKey<FPGATrackSimEventInfo> m_FPGAEventInfoKey {this, "FPGATrackSimEventInfoKey", "FPGAEventInfo", "FPGATrackSim event info"};
};
 
 
#endif // FPGATrackSimLOGICALHITSTOALGORITHMS_h