InDetPriVxFinderConfig.py

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# Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
# Configuration of InDetPriVxFinder package
from AthenaConfiguration.ComponentAccumulator import ComponentAccumulator
from AthenaConfiguration.ComponentFactory import CompFactory
 
 
def InDetPriVxFinderCfg(flags,
                        name: str = "InDetPriVxFinder",
                        **kwargs) -> ComponentAccumulator:
    acc = ComponentAccumulator()
 
    if "VertexCollectionSortingTool" not in kwargs:
        from TrkConfig.TrkVertexToolsConfig import (
            VertexCollectionSortingToolCfg)
        kwargs.setdefault("VertexCollectionSortingTool", acc.popToolsAndMerge(
            VertexCollectionSortingToolCfg(flags)))
 
    if "VertexFinderTool" not in kwargs:
        from InDetConfig.InDetPriVxFinderToolConfig import (
            VertexFinderToolCfg)
        kwargs.setdefault("VertexFinderTool", acc.popToolsAndMerge(
            VertexFinderToolCfg(flags)))
 
    kwargs.setdefault("doVertexSorting", True)
 
    if flags.Tracking.perigeeExpression == "Vertex":
        associationMapName = "PRDtoTrackMapMerge_CombinedInDetTracks"
        if flags.Detector.GeometryITk:
            associationMapName = "PRDtoTrackMapMerge_CombinedITkTracks"
        
        from xAODTrackingCnv.xAODTrackingCnvConfig import (
            BeamLineTrackParticleCnvAlgCfg)
        from InDetConfig.TrackRecoConfig import (
            ClusterSplitProbabilityContainerName)
        acc.merge(BeamLineTrackParticleCnvAlgCfg(
            flags,
            ClusterSplitProbabilityName = \
            ClusterSplitProbabilityContainerName(flags),
            AssociationMapName = associationMapName,
            xAODTrackParticlesFromTracksContainerName = \
            "InDetBeamLineTrackParticles"))
        kwargs["TracksName"]="InDetBeamLineTrackParticles"
 
    acc.addEventAlgo(CompFactory.InDet.InDetPriVxFinder(name, **kwargs))
    return acc
 
def InDetTrigPriVxFinderCfg(flags,
                            inputTracks: str,
                            outputVtx: str,
                            name: str = "InDetTrigPriVxFinder",
                            **kwargs) -> ComponentAccumulator:
 
    acc = ComponentAccumulator()
 
    kwargs["TracksName"] = inputTracks
    kwargs["VxCandidatesOutputName"] = outputVtx
    
    if "VertexFinderTool" not in kwargs:
        from InDetConfig.InDetPriVxFinderToolConfig import (
            TrigVertexFinderToolCfg)
        kwargs.setdefault("VertexFinderTool", acc.popToolsAndMerge(
            TrigVertexFinderToolCfg(flags)))
 
    if "VertexCollectionSortingTool" not in kwargs:
        from TrkConfig.TrkVertexToolsConfig import (
            SumPt2VertexCollectionSortingToolCfg)
        kwargs.setdefault("VertexCollectionSortingTool", acc.popToolsAndMerge(
            SumPt2VertexCollectionSortingToolCfg(flags)))
 
    if "PriVxMonTool" not in kwargs:
        from InDetPriVxFinder.InDetPriVxFinderMonitoring import (
            InDetPriVxFinderMonitoringTool)
        kwargs.setdefault("PriVxMonTool", InDetPriVxFinderMonitoringTool(flags))
 
    kwargs.setdefault("doVertexSorting", True)
 
    acc.addEventAlgo(CompFactory.InDet.InDetPriVxFinder(name+flags.Tracking.ActiveConfig.input_name,
                                                        **kwargs))
    return acc
 
 
def primaryVertexFindingCfg(flags,
                            name: str = "InDetPriVxFinder",
                            vxCandidatesOutputName=None,
                            **kwargs) -> ComponentAccumulator:
    if not vxCandidatesOutputName:
        vxCandidatesOutputName = "PrimaryVertices"
        from AthenaConfiguration.Enums import ProductionStep
        if flags.Common.ProductionStep in [ProductionStep.MinbiasPreprocessing]:
            vxCandidatesOutputName = f"{flags.Overlay.BkgPrefix}{vxCandidatesOutputName}"
 
    acc = InDetPriVxFinderCfg(flags,
                              name,
                              VxCandidatesOutputName=vxCandidatesOutputName,
                              **kwargs)
 
    if flags.Tracking.perigeeExpression == "Vertex":
        associationMapName = "PRDtoTrackMapMerge_CombinedInDetTracks"
        if flags.Detector.GeometryITk:
            associationMapName = "PRDtoTrackMapMerge_CombinedITkTracks"
            
        from xAODTrackingCnv.xAODTrackingCnvConfig import TrackParticleCnvAlgCfg
        from InDetConfig.TrackRecoConfig import (
            ClusterSplitProbabilityContainerName)
        acc.merge(TrackParticleCnvAlgCfg(
            flags,
            ClusterSplitProbabilityName=ClusterSplitProbabilityContainerName(
                flags),
            AssociationMapName=associationMapName))
 
    from OutputStreamAthenaPool.OutputStreamConfig import addToESD, addToAOD
 
    excludedVtxAuxData = "-vxTrackAtVertex.-MvfFitInfo.-isInitialized.-VTAV.-TruthEventMatchingInfos.-TruthEventRawMatchingInfos.-VertexMatchType"
    verticesContainer = [
        f"xAOD::VertexContainer#{vxCandidatesOutputName}",
        f"xAOD::VertexAuxContainer#{vxCandidatesOutputName}Aux." + excludedVtxAuxData,
    ]
 
    acc.merge(addToAOD(flags, verticesContainer))
    acc.merge(addToESD(flags, verticesContainer))
 
    return acc
 
if __name__ == "__main__":
    from AthenaCommon.Logging import logging
    from AthenaConfiguration.AllConfigFlags import initConfigFlags
    flags = initConfigFlags()
 
    from AthenaConfiguration.TestDefaults import defaultTestFiles
    from AthenaConfiguration.ComponentAccumulator import printProperties
    from AthenaConfiguration.MainServicesConfig import MainServicesCfg
    from TrkConfig.VertexFindingFlags import VertexSetup
 
    flags.Input.Files = defaultTestFiles.RDO_RUN2
    import sys
    if 'ActsGaussAdaptiveMultiFinding' in sys.argv:
        flags.Tracking.PriVertex.setup = VertexSetup.ActsGaussAMVF
    elif "IterativeFinding" in sys.argv:
        flags.Tracking.PriVertex.setup = VertexSetup.IVF
    elif "FastIterativeFinding" in sys.argv:
        flags.Tracking.PriVertex.setup = VertexSetup.FastIVF
    elif "GridFinding" in sys.argv: 
        flags.Tracking.PriVertex.setup = VertexSetup.ActsGridDensity  
    flags.lock()
 
    acc = MainServicesCfg(flags)
    acc.merge(primaryVertexFindingCfg(flags))
 
    mlog = logging.getLogger("primaryVertexFindingConfigTest")
    mlog.info("Configuring  primaryVertexFinding: ")
 
    printProperties(
        mlog,
        acc.getEventAlgo("InDetPriVxFinder"),
        nestLevel=2,
        printDefaults=True,
    )
 
    acc.wasMerged()