Ejemplo n.º 1
0
def addGsfTracks(
    s: acts.examples.Sequencer,
    trackingGeometry: acts.TrackingGeometry,
    field: acts.MagneticFieldProvider,
):
    gsfOptions = {
        "maxComponents": 12,
        "abortOnError": False,
        "disableAllMaterialHandling": False,
    }

    gsfAlg = acts.examples.TrackFittingAlgorithm(
        level=acts.logging.INFO,
        inputMeasurements="measurements",
        inputSourceLinks="sourcelinks",
        inputProtoTracks="prototracks",
        inputInitialTrackParameters="estimatedparameters",
        outputTrajectories="gsf_trajectories",
        directNavigation=False,
        pickTrack=-1,
        trackingGeometry=trackingGeometry,
        fit=acts.examples.TrackFittingAlgorithm.makeGsfFitterFunction(
            trackingGeometry, field, **gsfOptions
        ),
    )

    s.addAlgorithm(gsfAlg)

    return s
Ejemplo n.º 2
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def addPythia8(
    sequencer: acts.examples.Sequencer,
    rnd: acts.examples.RandomNumbers,
    nhard=1,
    npileup=200,
    beam0=acts.PdgParticle.eProton,
    beam1=acts.PdgParticle.eProton,
    cmsEnergy=14 * acts.UnitConstants.TeV,
    vertexStddev: acts.Vector4 = acts.Vector4(0, 0, 0, 0),
    vertexMean: acts.Vector4 = acts.Vector4(0, 0, 0, 0),
):
    vertexGenerator = acts.examples.GaussianVertexGenerator(
        stddev=vertexStddev, mean=vertexMean
    )

    generators = []
    if nhard > 0:
        generators.append(
            acts.examples.EventGenerator.Generator(
                multiplicity=acts.examples.FixedMultiplicityGenerator(n=nhard),
                vertex=vertexGenerator,
                particles=acts.examples.pythia8.Pythia8Generator(
                    level=acts.logging.INFO,
                    pdgBeam0=beam0,
                    pdgBeam1=beam1,
                    cmsEnergy=cmsEnergy,
                    settings=["HardQCD:all = on"],
                ),
            )
        )
    if npileup > 0:
        generators.append(
            acts.examples.EventGenerator.Generator(
                multiplicity=acts.examples.FixedMultiplicityGenerator(n=npileup),
                vertex=vertexGenerator,
                particles=acts.examples.pythia8.Pythia8Generator(
                    level=acts.logging.INFO,
                    pdgBeam0=beam0,
                    pdgBeam1=beam1,
                    cmsEnergy=cmsEnergy,
                    settings=["SoftQCD:all = on"],
                ),
            )
        )

    # Input
    evGen = acts.examples.EventGenerator(
        level=acts.logging.INFO,
        generators=generators,
        outputParticles="particles_input",
        randomNumbers=rnd,
    )

    sequencer.addReader(evGen)

    return evGen
Ejemplo n.º 3
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def runPythia8(
    outputDir,
    outputRoot: bool = True,
    outputCsv: bool = True,
    s: acts.examples.Sequencer = None,
):
    # Preliminaries
    rnd = acts.examples.RandomNumbers()

    # Sequencer
    s = s or acts.examples.Sequencer(
        events=10, numThreads=-1, logLevel=acts.logging.INFO
    )

    evGen = addPythia8(s, rnd)

    if outputRoot:
        s.addWriter(
            acts.examples.RootParticleWriter(
                level=acts.logging.INFO,
                inputParticles=evGen.config.outputParticles,
                filePath=outputDir + "/pythia8_particles.root",
            )
        )

    if outputCsv:
        s.addWriter(
            acts.examples.CsvParticleWriter(
                level=acts.logging.INFO,
                inputParticles=evGen.config.outputParticles,
                outputDir=outputDir + "/csv/",
                outputStem="particles",
            )
        )

    return s
Ejemplo n.º 4
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def addKalmanTracks(
    s: acts.examples.Sequencer,
    trackingGeometry: acts.TrackingGeometry,
    field: acts.MagneticFieldProvider,
    directNavigation=False,
    reverseFilteringMomThreshold=0 * u.GeV,
):
    truthTrkFndAlg = acts.examples.TruthTrackFinder(
        level=acts.logging.INFO,
        inputParticles="truth_seeds_selected",
        inputMeasurementParticlesMap="measurement_particles_map",
        outputProtoTracks="prototracks",
    )
    s.addAlgorithm(truthTrkFndAlg)

    if directNavigation:
        srfSortAlg = acts.examples.SurfaceSortingAlgorithm(
            level=acts.logging.INFO,
            inputProtoTracks="prototracks",
            inputSimulatedHits=outputSimHits,
            inputMeasurementSimHitsMap=digiAlg.config.
            outputMeasurementSimHitsMap,
            outputProtoTracks="sortedprototracks",
        )
        s.addAlgorithm(srfSortAlg)
        inputProtoTracks = srfSortAlg.config.outputProtoTracks
    else:
        inputProtoTracks = "prototracks"

    kalmanOptions = {
        "multipleScattering": True,
        "energyLoss": True,
        "reverseFilteringMomThreshold": reverseFilteringMomThreshold,
        "freeToBoundCorrection": acts.examples.FreeToBoundCorrection(False),
    }

    fitAlg = acts.examples.TrackFittingAlgorithm(
        level=acts.logging.INFO,
        inputMeasurements="measurements",
        inputSourceLinks="sourcelinks",
        inputProtoTracks=inputProtoTracks,
        inputInitialTrackParameters="estimatedparameters",
        outputTrajectories="trajectories",
        directNavigation=directNavigation,
        pickTrack=-1,
        trackingGeometry=trackingGeometry,
        dFit=acts.examples.TrackFittingAlgorithm.makeKalmanFitterFunction(
            field, **kalmanOptions),
        fit=acts.examples.TrackFittingAlgorithm.makeKalmanFitterFunction(
            trackingGeometry, field, **kalmanOptions),
    )
    s.addAlgorithm(fitAlg)

    return s
Ejemplo n.º 5
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def runTruthTracking(
    trackingGeometry,
    field,
    outputDir: Path,
    digiConfigFile: Path,
    directNavigation=False,
    s: acts.examples.Sequencer = None,
):

    # Preliminaries
    rnd = acts.examples.RandomNumbers()

    # Sequencer
    s = s or acts.examples.Sequencer(
        events=10, numThreads=-1, logLevel=acts.logging.INFO)

    # Input
    vtxGen = acts.examples.GaussianVertexGenerator()
    vtxGen.stddev = acts.Vector4(0, 0, 0, 0)

    ptclGen = acts.examples.ParametricParticleGenerator(p=(1 * u.GeV,
                                                           10 * u.GeV),
                                                        eta=(-2, 2),
                                                        numParticles=2)

    g = acts.examples.EventGenerator.Generator()
    g.multiplicity = acts.examples.FixedMultiplicityGenerator()
    g.vertex = vtxGen
    g.particles = ptclGen

    evGen = acts.examples.EventGenerator(
        level=acts.logging.INFO,
        generators=[g],
        outputParticles="particles_input",
        randomNumbers=rnd,
    )
    s.addReader(evGen)

    s.addWriter(
        acts.examples.RootParticleWriter(
            level=acts.logging.INFO,
            inputParticles=evGen.config.outputParticles,
            filePath=str(outputDir / "particles.root"),
        ))

    # Selector
    selector = acts.examples.ParticleSelector(
        level=acts.logging.INFO,
        inputParticles=evGen.config.outputParticles,
        outputParticles="particles_selected",
    )
    s.addAlgorithm(selector)

    # Simulation
    simAlg = acts.examples.FatrasSimulation(
        level=acts.logging.INFO,
        inputParticles=selector.config.outputParticles,
        outputParticlesInitial="particles_initial",
        outputParticlesFinal="particles_final",
        outputSimHits="simhits",
        randomNumbers=rnd,
        trackingGeometry=trackingGeometry,
        magneticField=field,
        generateHitsOnSensitive=True,
    )
    s.addAlgorithm(simAlg)

    # Digitization
    digiCfg = acts.examples.DigitizationConfig(
        acts.examples.readDigiConfigFromJson(str(digiConfigFile), ),
        trackingGeometry=trackingGeometry,
        randomNumbers=rnd,
        inputSimHits=simAlg.config.outputSimHits,
    )
    digiAlg = acts.examples.DigitizationAlgorithm(digiCfg, acts.logging.INFO)
    s.addAlgorithm(digiAlg)

    selAlg = acts.examples.TruthSeedSelector(
        level=acts.logging.INFO,
        ptMin=500 * u.MeV,
        nHitsMin=9,
        inputParticles=simAlg.config.outputParticlesInitial,
        inputMeasurementParticlesMap=digiCfg.outputMeasurementParticlesMap,
        outputParticles="particles_seed_selected",
    )
    s.addAlgorithm(selAlg)

    inputParticles = selAlg.config.outputParticles

    smearAlg = acts.examples.ParticleSmearing(
        level=acts.logging.INFO,
        inputParticles=inputParticles,
        outputTrackParameters="smearedparameters",
        randomNumbers=rnd,
        # Gaussian sigmas to smear particle parameters
        # sigmaD0=20 * u.um,
        # sigmaD0PtA=30 * u.um,
        # sigmaD0PtB=0.3 / u.GeV,
        # sigmaZ0=20 * u.um,
        # sigmaZ0PtA=30 * u.um,
        # sigmaZ0PtB=0.3 / u.GeV,
        # sigmaPhi=1 * u.degree,
        # sigmaTheta=1 * u.degree,
        # sigmaPRel=0.01,
        # sigmaT0=1 * u.ns,
        # initialVarInflation=[1, 1, 1, 1, 1, 1],
    )
    s.addAlgorithm(smearAlg)

    truthTrkFndAlg = acts.examples.TruthTrackFinder(
        level=acts.logging.INFO,
        inputParticles=inputParticles,
        inputMeasurementParticlesMap=digiAlg.config.
        outputMeasurementParticlesMap,
        outputProtoTracks="prototracks",
    )
    s.addAlgorithm(truthTrkFndAlg)

    if directNavigation:
        srfSortAlg = acts.examples.SurfaceSortingAlgorithm(
            level=acts.logging.INFO,
            inputProtoTracks=truthTrkFndAlg.config.outputProtoTracks,
            inputSimulatedHits=simAlg.config.outputSimHits,
            inputMeasurementSimHitsMap=digiAlg.config.
            outputMeasurementSimHitsMap,
            outputProtoTracks="sortedprototracks",
        )
        s.addAlgorithm(srfSortAlg)
        inputProtoTracks = srfSortAlg.config.outputProtoTracks
    else:
        inputProtoTracks = truthTrkFndAlg.config.outputProtoTracks

    fitAlg = acts.examples.TrackFittingAlgorithm(
        level=acts.logging.INFO,
        inputMeasurements=digiAlg.config.outputMeasurements,
        inputSourceLinks=digiAlg.config.outputSourceLinks,
        inputProtoTracks=inputProtoTracks,
        inputInitialTrackParameters=smearAlg.config.outputTrackParameters,
        outputTrajectories="trajectories",
        directNavigation=directNavigation,
        multipleScattering=True,
        energyLoss=True,
        pickTrack=-1,
        trackingGeometry=trackingGeometry,
        dFit=acts.examples.TrackFittingAlgorithm.makeTrackFitterFunction(
            field),
        fit=acts.examples.TrackFittingAlgorithm.makeTrackFitterFunction(
            trackingGeometry, field),
    )
    s.addAlgorithm(fitAlg)

    # Output

    s.addWriter(
        acts.examples.RootTrajectoryStatesWriter(
            level=acts.logging.INFO,
            inputTrajectories=fitAlg.config.outputTrajectories,
            inputParticles=inputParticles,
            inputSimHits=simAlg.config.outputSimHits,
            inputMeasurementParticlesMap=digiAlg.config.
            outputMeasurementParticlesMap,
            inputMeasurementSimHitsMap=digiAlg.config.
            outputMeasurementSimHitsMap,
            filePath=str(outputDir / "trackstates_fitter.root"),
        ))

    s.addWriter(
        acts.examples.RootTrajectorySummaryWriter(
            level=acts.logging.INFO,
            inputTrajectories=fitAlg.config.outputTrajectories,
            inputParticles=inputParticles,
            inputMeasurementParticlesMap=digiAlg.config.
            outputMeasurementParticlesMap,
            filePath=str(outputDir / "tracksummary_fitter.root"),
        ))

    s.addWriter(
        acts.examples.TrackFinderPerformanceWriter(
            level=acts.logging.INFO,
            inputProtoTracks=truthTrkFndAlg.config.outputProtoTracks,
            inputParticles=inputParticles,
            inputMeasurementParticlesMap=digiAlg.config.
            outputMeasurementParticlesMap,
            filePath=str(outputDir / "performance_track_finder.root"),
        ))

    s.addWriter(
        acts.examples.TrackFitterPerformanceWriter(
            level=acts.logging.INFO,
            inputTrajectories=fitAlg.config.outputTrajectories,
            inputParticles=inputParticles,
            inputMeasurementParticlesMap=digiAlg.config.
            outputMeasurementParticlesMap,
            filePath=str(outputDir / "performance_track_fitter.root"),
        ))

    return s
Ejemplo n.º 6
0
def addCKFTracks(
    s: acts.examples.Sequencer,
    trackingGeometry: acts.TrackingGeometry,
    field: acts.MagneticFieldProvider,
    CKFPerformanceConfigArg: CKFPerformanceConfig = CKFPerformanceConfig(),
    outputDirCsv: Optional[Union[Path, str]] = None,
    outputDirRoot: Optional[Union[Path, str]] = None,
    selectedParticles: str = "truth_seeds_selected",
) -> acts.examples.Sequencer:
    """This function steers the seeding

    Parameters
    ----------
    s: Sequencer
        the sequencer module to which we add the Seeding steps (returned from addSeeding)
    trackingGeometry : tracking geometry
    field : magnetic field
    CKFPerformanceConfigArg : CKFPerformanceConfig(truthMatchProbMin, nMeasurementsMin, ptMin)
        CKFPerformanceWriter configuration.
        Defaults specified in Examples/Io/Performance/ActsExamples/Io/Performance/CKFPerformanceWriter.hpp
    outputDirCsv : Path|str, path, None
        the output folder for the Csv output, None triggers no output
    outputDirRoot : Path|str, path, None
        the output folder for the Root output, None triggers no output
    selectedParticles : str, "truth_seeds_selected"
        CKFPerformanceWriter truth input
    """

    if int(s.config.logLevel) <= int(acts.logging.DEBUG):
        acts.examples.dump_args_calls(locals())

    # Setup the track finding algorithm with CKF
    # It takes all the source links created from truth hit smearing, seeds from
    # truth particle smearing and source link selection config
    trackFinder = acts.examples.TrackFindingAlgorithm(
        level=s.config.logLevel,
        measurementSelectorCfg=acts.MeasurementSelector.Config([
            (acts.GeometryIdentifier(), ([], [15.0], [10]))
        ]),
        inputMeasurements="measurements",
        inputSourceLinks="sourcelinks",
        inputInitialTrackParameters="estimatedparameters",
        outputTrajectories="trajectories",
        findTracks=acts.examples.TrackFindingAlgorithm.makeTrackFinderFunction(
            trackingGeometry, field),
    )
    s.addAlgorithm(trackFinder)

    if outputDirRoot is not None:
        outputDirRoot = Path(outputDirRoot)
        if not outputDirRoot.exists():
            outputDirRoot.mkdir()

        # write track states from CKF
        trackStatesWriter = acts.examples.RootTrajectoryStatesWriter(
            level=s.config.logLevel,
            inputTrajectories=trackFinder.config.outputTrajectories,
            # @note The full particles collection is used here to avoid lots of warnings
            # since the unselected CKF track might have a majority particle not in the
            # filtered particle collection. This could be avoided when a seperate track
            # selection algorithm is used.
            inputParticles="particles_selected",
            inputSimHits="simhits",
            inputMeasurementParticlesMap="measurement_particles_map",
            inputMeasurementSimHitsMap="measurement_simhits_map",
            filePath=str(outputDirRoot / "trackstates_ckf.root"),
            treeName="trackstates",
        )
        s.addWriter(trackStatesWriter)

        # write track summary from CKF
        trackSummaryWriter = acts.examples.RootTrajectorySummaryWriter(
            level=s.config.logLevel,
            inputTrajectories=trackFinder.config.outputTrajectories,
            # @note The full particles collection is used here to avoid lots of warnings
            # since the unselected CKF track might have a majority particle not in the
            # filtered particle collection. This could be avoided when a seperate track
            # selection algorithm is used.
            inputParticles="particles_selected",
            inputMeasurementParticlesMap="measurement_particles_map",
            filePath=str(outputDirRoot / "tracksummary_ckf.root"),
            treeName="tracksummary",
        )
        s.addWriter(trackSummaryWriter)

        # Write CKF performance data
        ckfPerfWriter = acts.examples.CKFPerformanceWriter(
            level=s.config.logLevel,
            inputParticles=selectedParticles,
            inputTrajectories=trackFinder.config.outputTrajectories,
            inputMeasurementParticlesMap="measurement_particles_map",
            **acts.examples.defaultKWArgs(
                # The bottom seed could be the first, second or third hits on the truth track
                nMeasurementsMin=CKFPerformanceConfigArg.nMeasurementsMin,
                ptMin=CKFPerformanceConfigArg.ptMin,
                truthMatchProbMin=CKFPerformanceConfigArg.truthMatchProbMin,
            ),
            filePath=str(outputDirRoot / "performance_ckf.root"),
        )
        s.addWriter(ckfPerfWriter)

    if outputDirCsv is not None:
        outputDirCsv = Path(outputDirCsv)
        if not outputDirCsv.exists():
            outputDirCsv.mkdir()
        acts.logging.getLogger("CKFExample").info("Writing CSV files")
        csvMTJWriter = acts.examples.CsvMultiTrajectoryWriter(
            level=s.config.logLevel,
            inputTrajectories=trackFinder.config.outputTrajectories,
            inputMeasurementParticlesMap="measurement_particles_map",
            outputDir=str(outputDirCsv),
        )
        s.addWriter(csvMTJWriter)

    return s
Ejemplo n.º 7
0
def addSeeding(
    s: acts.examples.Sequencer,
    trackingGeometry: acts.TrackingGeometry,
    field: acts.MagneticFieldProvider,
    geoSelectionConfigFile: Optional[Union[Path, str]] = None,
    seedingAlgorithm: SeedingAlgorithm = SeedingAlgorithm.Default,
    truthSeedRanges: TruthSeedRanges = TruthSeedRanges(),
    particleSmearingSigmas: ParticleSmearingSigmas = ParticleSmearingSigmas(),
    initialVarInflation: Optional[list] = None,
    seedfinderConfigArg: SeedfinderConfigArg = SeedfinderConfigArg(),
    trackParamsEstimationConfig:
    TrackParamsEstimationConfig = TrackParamsEstimationConfig(),
    inputParticles: str = "particles_initial",
    outputDirRoot: Optional[Union[Path, str]] = None,
    logLevel: Optional[acts.logging.Level] = None,
    rnd: Optional[acts.examples.RandomNumbers] = None,
) -> acts.examples.Sequencer:
    """This function steers the seeding

    Parameters
    ----------
    s: Sequencer
        the sequencer module to which we add the Seeding steps (returned from addSeeding)
    trackingGeometry : tracking geometry
    field : magnetic field
    geoSelectionConfigFile : Path|str, path, None
        Json file for space point geometry selection. Not required for SeedingAlgorithm.TruthSmeared.
    seedingAlgorithm : SeedingAlgorithm, Default
        seeding algorithm to use: one of Default (no truth information used), TruthSmeared, TruthEstimated
    truthSeedRanges : TruthSeedRanges(rho, z, phi, eta, absEta, pt, nHits)
        TruthSeedSelector configuration. Each range is specified as a tuple of (min,max).
        Defaults of no cuts specified in Examples/Algorithms/TruthTracking/ActsExamples/TruthTracking/TruthSeedSelector.hpp
    particleSmearingSigmas : ParticleSmearingSigmas(d0, d0PtA, d0PtB, z0, z0PtA, z0PtB, t0, phi, theta, pRel)
        ParticleSmearing configuration.
        Defaults specified in Examples/Algorithms/TruthTracking/ActsExamples/TruthTracking/ParticleSmearing.hpp
    initialVarInflation : list
        List of 6 scale factors to inflate the initial covariance matrix
        Defaults (all 1) specified in Examples/Algorithms/TruthTracking/ActsExamples/TruthTracking/ParticleSmearing.hpp
    seedfinderConfigArg : SeedfinderConfigArg(maxSeedsPerSpM, cotThetaMax, sigmaScattering, radLengthPerSeed, minPt, bFieldInZ, impactMax, deltaR, collisionRegion, r, z, beamPos)
        SeedfinderConfig settings. deltaR, collisionRegion, r, z are ranges specified as a tuple of (min,max). beamPos is specified as (x,y).
        Defaults specified in Core/include/Acts/Seeding/SeedfinderConfig.hpp
    trackParamsEstimationConfig : TrackParamsEstimationConfig(deltaR)
        TrackParamsEstimationAlgorithm configuration. Currently only deltaR=(min,max) range specified here.
        Defaults specified in Examples/Algorithms/TrackFinding/include/ActsExamples/TrackFinding/TrackParamsEstimationAlgorithm.hpp
    inputParticles : str, "particles_initial"
        input particles name in the WhiteBoard
    outputDirRoot : Path|str, path, None
        the output folder for the Root output, None triggers no output
    logLevel : acts.logging.Level, None
        logging level to override setting given in `s`
    rnd : RandomNumbers, None
        random number generator. Only used by SeedingAlgorithm.TruthSmeared.
    """
    def customLogLevel(custom: acts.logging.Level = acts.logging.INFO):
        """override logging level"""
        if logLevel is None:
            return s.config.logLevel
        return acts.logging.Level(max(custom.value, logLevel.value))

    if int(customLogLevel()) <= int(acts.logging.DEBUG):
        acts.examples.dump_args_calls(locals())
    logger = acts.logging.getLogger("addSeeding")

    if truthSeedRanges is not None:
        selAlg = acts.examples.TruthSeedSelector(
            **acts.examples.defaultKWArgs(
                ptMin=truthSeedRanges.pt[0],
                ptMax=truthSeedRanges.pt[1],
                etaMin=truthSeedRanges.eta[0],
                etaMax=truthSeedRanges.eta[1],
                nHitsMin=truthSeedRanges.nHits[0],
                nHitsMax=truthSeedRanges.nHits[1],
                rhoMin=truthSeedRanges.rho[0],
                rhoMax=truthSeedRanges.rho[1],
                zMin=truthSeedRanges.z[0],
                zMax=truthSeedRanges.z[1],
                phiMin=truthSeedRanges.phi[0],
                phiMax=truthSeedRanges.phi[1],
                absEtaMin=truthSeedRanges.absEta[0],
                absEtaMax=truthSeedRanges.absEta[1],
            ),
            level=customLogLevel(),
            inputParticles=inputParticles,
            inputMeasurementParticlesMap="measurement_particles_map",
            outputParticles="truth_seeds_selected",
        )
        s.addAlgorithm(selAlg)
        selectedParticles = selAlg.config.outputParticles
    else:
        selectedParticles = inputParticles

    # Create starting parameters from either particle smearing or combined seed
    # finding and track parameters estimation
    if seedingAlgorithm == SeedingAlgorithm.TruthSmeared:
        rnd = rnd or acts.examples.RandomNumbers(seed=42)
        logger.info("Using smeared truth particles for seeding")
        # Run particle smearing
        ptclSmear = acts.examples.ParticleSmearing(
            level=customLogLevel(),
            inputParticles=selectedParticles,
            outputTrackParameters="estimatedparameters",
            randomNumbers=rnd,
            # gaussian sigmas to smear particle parameters
            **acts.examples.defaultKWArgs(
                sigmaD0=particleSmearingSigmas.d0,
                sigmaD0PtA=particleSmearingSigmas.d0PtA,
                sigmaD0PtB=particleSmearingSigmas.d0PtB,
                sigmaZ0=particleSmearingSigmas.z0,
                sigmaZ0PtA=particleSmearingSigmas.z0PtA,
                sigmaZ0PtB=particleSmearingSigmas.z0PtB,
                sigmaT0=particleSmearingSigmas.t0,
                sigmaPhi=particleSmearingSigmas.phi,
                sigmaTheta=particleSmearingSigmas.theta,
                sigmaPRel=particleSmearingSigmas.pRel,
                initialVarInflation=initialVarInflation,
            ),
        )
        s.addAlgorithm(ptclSmear)
    else:

        spAlg = acts.examples.SpacePointMaker(
            level=customLogLevel(),
            inputSourceLinks="sourcelinks",
            inputMeasurements="measurements",
            outputSpacePoints="spacepoints",
            trackingGeometry=trackingGeometry,
            geometrySelection=acts.examples.readJsonGeometryList(
                str(geoSelectionConfigFile)),
        )
        s.addAlgorithm(spAlg)

        # Run either: truth track finding or seeding
        if seedingAlgorithm == SeedingAlgorithm.TruthEstimated:
            logger.info(
                "Using truth track finding from space points for seeding")
            # Use truth tracking
            truthTrackFinder = acts.examples.TruthTrackFinder(
                level=customLogLevel(),
                inputParticles=selectedParticles,
                inputMeasurementParticlesMap=selAlg.config.
                inputMeasurementParticlesMap,
                outputProtoTracks="prototracks",
            )
            s.addAlgorithm(truthTrackFinder)
            inputProtoTracks = truthTrackFinder.config.outputProtoTracks
            inputSeeds = ""
        elif seedingAlgorithm == SeedingAlgorithm.Default:
            logger.info("Using default seeding")
            # Use seeding
            seedFinderConfig = acts.SeedfinderConfig(
                **acts.examples.defaultKWArgs(
                    rMin=seedfinderConfigArg.r[0],
                    rMax=seedfinderConfigArg.r[1],
                    deltaRMin=seedfinderConfigArg.deltaR[0],
                    deltaRMax=seedfinderConfigArg.deltaR[1],
                    deltaRMinTopSP=seedfinderConfigArg.deltaR[0],
                    deltaRMinBottomSP=seedfinderConfigArg.deltaR[0],
                    deltaRMaxTopSP=seedfinderConfigArg.deltaR[1],
                    deltaRMaxBottomSP=seedfinderConfigArg.deltaR[1],
                    collisionRegionMin=seedfinderConfigArg.collisionRegion[0],
                    collisionRegionMax=seedfinderConfigArg.collisionRegion[1],
                    zMin=seedfinderConfigArg.z[0],
                    zMax=seedfinderConfigArg.z[1],
                    maxSeedsPerSpM=seedfinderConfigArg.maxSeedsPerSpM,
                    cotThetaMax=seedfinderConfigArg.cotThetaMax,
                    sigmaScattering=seedfinderConfigArg.sigmaScattering,
                    radLengthPerSeed=seedfinderConfigArg.radLengthPerSeed,
                    minPt=seedfinderConfigArg.minPt,
                    bFieldInZ=seedfinderConfigArg.bFieldInZ,
                    impactMax=seedfinderConfigArg.impactMax,
                    beamPos=(
                        None if seedfinderConfigArg.beamPos is None or all(
                            [x is None for x in seedfinderConfigArg.beamPos])
                        else acts.Vector2(
                            seedfinderConfigArg.beamPos[0] or 0.0,
                            seedfinderConfigArg.beamPos[1] or 0.0,
                        )),
                ), )

            seedFilterConfig = acts.SeedFilterConfig(
                maxSeedsPerSpM=seedFinderConfig.maxSeedsPerSpM,
                deltaRMin=seedFinderConfig.deltaRMin,
            )

            gridConfig = acts.SpacePointGridConfig(
                bFieldInZ=seedFinderConfig.bFieldInZ,
                minPt=seedFinderConfig.minPt,
                rMax=seedFinderConfig.rMax,
                zMax=seedFinderConfig.zMax,
                zMin=seedFinderConfig.zMin,
                deltaRMax=seedFinderConfig.deltaRMax,
                cotThetaMax=seedFinderConfig.cotThetaMax,
            )

            seedingAlg = acts.examples.SeedingAlgorithm(
                level=customLogLevel(acts.logging.VERBOSE),
                inputSpacePoints=[spAlg.config.outputSpacePoints],
                outputSeeds="seeds",
                outputProtoTracks="prototracks",
                gridConfig=gridConfig,
                seedFilterConfig=seedFilterConfig,
                seedFinderConfig=seedFinderConfig,
            )
            s.addAlgorithm(seedingAlg)
            inputProtoTracks = seedingAlg.config.outputProtoTracks
            inputSeeds = seedingAlg.config.outputSeeds
        elif seedingAlgorithm == SeedingAlgorithm.Orthogonal:
            logger.info("Using orthogonal seeding")
            # Use seeding
            seedFinderConfig = acts.SeedFinderOrthogonalConfig(
                **acts.examples.defaultKWArgs(
                    rMin=seedfinderConfigArg.r[0],
                    rMax=seedfinderConfigArg.r[1],
                    deltaRMin=seedfinderConfigArg.deltaR[0],
                    deltaRMax=seedfinderConfigArg.deltaR[1],
                    collisionRegionMin=seedfinderConfigArg.collisionRegion[0],
                    collisionRegionMax=seedfinderConfigArg.collisionRegion[1],
                    zMin=seedfinderConfigArg.z[0],
                    zMax=seedfinderConfigArg.z[1],
                    maxSeedsPerSpM=seedfinderConfigArg.maxSeedsPerSpM,
                    cotThetaMax=seedfinderConfigArg.cotThetaMax,
                    sigmaScattering=seedfinderConfigArg.sigmaScattering,
                    radLengthPerSeed=seedfinderConfigArg.radLengthPerSeed,
                    minPt=seedfinderConfigArg.minPt,
                    bFieldInZ=seedfinderConfigArg.bFieldInZ,
                    impactMax=seedfinderConfigArg.impactMax,
                    beamPos=(
                        None if seedfinderConfigArg.beamPos is None or all(
                            [x is None for x in seedfinderConfigArg.beamPos])
                        else acts.Vector2(
                            seedfinderConfigArg.beamPos[0] or 0.0,
                            seedfinderConfigArg.beamPos[1] or 0.0,
                        )),
                ), )

            seedFilterConfig = acts.SeedFilterConfig(
                maxSeedsPerSpM=seedFinderConfig.maxSeedsPerSpM,
                deltaRMin=seedFinderConfig.deltaRMin,
            )

            seedingAlg = acts.examples.SeedingOrthogonalAlgorithm(
                level=customLogLevel(acts.logging.VERBOSE),
                inputSpacePoints=[spAlg.config.outputSpacePoints],
                outputSeeds="seeds",
                outputProtoTracks="prototracks",
                seedFilterConfig=seedFilterConfig,
                seedFinderConfig=seedFinderConfig,
            )
            s.addAlgorithm(seedingAlg)
            inputProtoTracks = seedingAlg.config.outputProtoTracks
            inputSeeds = seedingAlg.config.outputSeeds
        else:
            logger.fatal("unknown seedingAlgorithm %s", seedingAlgorithm)

        parEstimateAlg = acts.examples.TrackParamsEstimationAlgorithm(
            level=customLogLevel(acts.logging.VERBOSE),
            inputSeeds=inputSeeds,
            inputProtoTracks=inputProtoTracks,
            inputSpacePoints=[spAlg.config.outputSpacePoints],
            inputSourceLinks=spAlg.config.inputSourceLinks,
            outputTrackParameters="estimatedparameters",
            outputProtoTracks="prototracks_estimated",
            trackingGeometry=trackingGeometry,
            magneticField=field,
            **acts.examples.defaultKWArgs(
                initialVarInflation=initialVarInflation,
                deltaRMin=trackParamsEstimationConfig.deltaR[0],
                deltaRMax=trackParamsEstimationConfig.deltaR[1],
            ),
        )
        s.addAlgorithm(parEstimateAlg)

        if outputDirRoot is not None:
            outputDirRoot = Path(outputDirRoot)
            if not outputDirRoot.exists():
                outputDirRoot.mkdir()
            s.addWriter(
                acts.examples.TrackFinderPerformanceWriter(
                    level=customLogLevel(),
                    inputProtoTracks=inputProtoTracks,
                    inputParticles=
                    selectedParticles,  # the original selected particles after digitization
                    inputMeasurementParticlesMap=selAlg.config.
                    inputMeasurementParticlesMap,
                    filePath=str(outputDirRoot /
                                 "performance_seeding_trees.root"),
                ))

            s.addWriter(
                acts.examples.SeedingPerformanceWriter(
                    level=customLogLevel(acts.logging.DEBUG),
                    inputProtoTracks=inputProtoTracks,
                    inputParticles=selectedParticles,
                    inputMeasurementParticlesMap=selAlg.config.
                    inputMeasurementParticlesMap,
                    filePath=str(outputDirRoot /
                                 "performance_seeding_hists.root"),
                ))

            s.addWriter(
                acts.examples.RootTrackParameterWriter(
                    level=customLogLevel(acts.logging.VERBOSE),
                    inputTrackParameters=parEstimateAlg.config.
                    outputTrackParameters,
                    inputProtoTracks=parEstimateAlg.config.outputProtoTracks,
                    inputParticles=inputParticles,
                    inputSimHits="simhits",
                    inputMeasurementParticlesMap=selAlg.config.
                    inputMeasurementParticlesMap,
                    inputMeasurementSimHitsMap="measurement_simhits_map",
                    filePath=str(outputDirRoot / "estimatedparams.root"),
                    treeName="estimatedparams",
                ))

    return s
Ejemplo n.º 8
0
def addExaTrkx(
    s: acts.examples.Sequencer,
    trackingGeometry: acts.TrackingGeometry,
    geometrySelection: Union[Path, str],
    onnxModelDir: Union[Path, str],
    outputDirRoot: Optional[Union[Path, str]] = None,
) -> acts.examples.Sequencer:

    # Run the particle selection
    # The pre-selection will select truth particles satisfying provided criteria
    # from all particles read in by particle reader for further processing. It
    # has no impact on the truth hits themselves
    s.addAlgorithm(
        acts.examples.TruthSeedSelector(
            level=acts.logging.INFO,
            ptMin=500 * u.MeV,
            nHitsMin=9,
            inputParticles="particles_initial",
            inputMeasurementParticlesMap="measurement_particle_map",
            outputParticles="particles_seed_selected",
        ))

    # Create space points
    s.addAlgorithm(
        acts.examples.SpacePointMaker(
            level=acts.logging.INFO,
            inputSourceLinks="source_links",
            inputMeasurements="measurements",
            outputSpacePoints="spacepoints",
            trackingGeometry=trackingGeometry,
            geometrySelection=acts.examples.readJsonGeometryList(
                str(geometrySelection)),
        ))

    # Setup the track finding algorithm with ExaTrkX
    # It takes all the source links created from truth hit smearing, seeds from
    # truth particle smearing and source link selection config
    exaTrkxFinding = acts.examples.ExaTrkXTrackFinding(
        inputMLModuleDir=str(onnxModelDir),
        spacepointFeatures=3,
        embeddingDim=8,
        rVal=1.6,
        knnVal=500,
        filterCut=0.21,
    )

    s.addAlgorithm(
        acts.examples.TrackFindingMLBasedAlgorithm(
            level=acts.logging.INFO,
            inputSpacePoints="spacepoints",
            outputProtoTracks="protoTracks",
            trackFinderML=exaTrkxFinding,
        ))

    # Write truth track finding / seeding performance
    if outputDirRoot is not None:
        s.addWriter(
            acts.examples.TrackFinderPerformanceWriter(
                level=acts.logging.INFO,
                inputProtoTracks="protoTracks",
                inputParticles=
                "particles_initial",  # the original selected particles after digitization
                inputMeasurementParticlesMap="measurement_particle_map",
                filePath=str(
                    Path(outputDirRoot) / "performance_seeding_trees.root"),
            ))

    return s
Ejemplo n.º 9
0
def addDigitization(
    s: acts.examples.Sequencer,
    trackingGeometry: acts.TrackingGeometry,
    field: acts.MagneticFieldProvider,
    digiConfigFile: Union[Path, str],
    outputDirCsv: Optional[Union[Path, str]] = None,
    outputDirRoot: Optional[Union[Path, str]] = None,
    rnd: Optional[acts.examples.RandomNumbers] = None,
) -> acts.examples.Sequencer:
    """This function steers the digitization step

    Parameters
    ----------
    s: Sequencer
        the sequencer module to which we add the Digitization steps (returned from addDigitization)
    trackingGeometry : tracking geometry
    field : magnetic field
    digiConfigFile : Path|str, path
        Configuration (.json) file for digitization or smearing description
    outputDirCsv : Path|str, path, None
        the output folder for the Csv output, None triggers no output
    outputDirRoot : Path|str, path, None
        the output folder for the Root output, None triggers no output
    rnd : RandomNumbers, None
        random number generator
    """

    if int(s.config.logLevel) <= int(acts.logging.DEBUG):
        acts.examples.dump_args_calls(locals())

    # Preliminaries
    rnd = rnd or acts.examples.RandomNumbers()

    # Digitization
    digiCfg = acts.examples.DigitizationConfig(
        acts.examples.readDigiConfigFromJson(
            str(digiConfigFile),
        ),
        trackingGeometry=trackingGeometry,
        randomNumbers=rnd,
        inputSimHits="simhits",
        outputSourceLinks="sourcelinks",
        outputMeasurements="measurements",
        outputMeasurementParticlesMap="measurement_particles_map",
        outputMeasurementSimHitsMap="measurement_simhits_map",
    )
    digiAlg = acts.examples.DigitizationAlgorithm(digiCfg, s.config.logLevel)

    s.addAlgorithm(digiAlg)

    if outputDirRoot is not None:
        outputDirRoot = Path(outputDirRoot)
        if not outputDirRoot.exists():
            outputDirRoot.mkdir()
        rmwConfig = acts.examples.RootMeasurementWriter.Config(
            inputMeasurements=digiAlg.config.outputMeasurements,
            inputClusters=digiAlg.config.outputClusters,
            inputSimHits=digiAlg.config.inputSimHits,
            inputMeasurementSimHitsMap=digiAlg.config.outputMeasurementSimHitsMap,
            filePath=str(outputDirRoot / f"{digiAlg.config.outputMeasurements}.root"),
            trackingGeometry=trackingGeometry,
        )
        rmwConfig.addBoundIndicesFromDigiConfig(digiAlg.config)
        s.addWriter(acts.examples.RootMeasurementWriter(rmwConfig, s.config.logLevel))

    if outputDirCsv is not None:
        outputDirCsv = Path(outputDirCsv)
        if not outputDirCsv.exists():
            outputDirCsv.mkdir()
        s.addWriter(
            acts.examples.CsvMeasurementWriter(
                level=s.config.logLevel,
                inputMeasurements=digiAlg.config.outputMeasurements,
                inputClusters=digiAlg.config.outputClusters,
                inputSimHits=digiAlg.config.inputSimHits,
                inputMeasurementSimHitsMap=digiAlg.config.outputMeasurementSimHitsMap,
                outputDir=str(outputDirCsv),
            )
        )

    return s
Ejemplo n.º 10
0
def addPythia8(
    s: acts.examples.Sequencer,
    rnd: Optional[acts.examples.RandomNumbers] = None,
    nhard: int = 1,
    npileup: int = 200,
    beam: Optional[
        Union[acts.PdgParticle,
              Iterable]] = None,  # default: acts.PdgParticle.eProton
    cmsEnergy: Optional[float] = None,  # default: 14 * acts.UnitConstants.TeV
    hardProcess: Optional[Iterable] = None,  # default: ["HardQCD:all = on"]
    pileupProcess: Iterable = ["SoftQCD:all = on"],
    vtxGen: Optional[acts.examples.EventGenerator.VertexGenerator] = None,
    outputDirCsv: Optional[Union[Path, str]] = None,
    outputDirRoot: Optional[Union[Path, str]] = None,
    printParticles: bool = False,
    returnEvGen: bool = False,
) -> Union[acts.examples.Sequencer, acts.examples.EventGenerator]:
    """This function steers the particle generation using Pythia8

    NB. this is a reimplementation of common.addPythia8, which is maintained for now for compatibility.

    Parameters
    ----------
    s: Sequencer
        the sequencer module to which we add the particle gun steps (returned from addParticleGun)
    rnd : RandomNumbers, None
        random number generator
    nhard, npileup : int, 1, 200
        Number of hard-scatter and pileup vertices
    beam : PdgParticle|[PdgParticle,PdgParticle], eProton
        beam particle(s)
    cmsEnergy : float, 14 TeV
        CMS energy
    hardProcess, pileupProcess : [str], ["HardQCD:all = on"], ["SoftQCD:all = on"]
        hard and pileup processes
    vtxGen : VertexGenerator, None
        vertex generator module
    outputDirCsv : Path|str, path, None
        the output folder for the Csv output, None triggers no output
    outputDirRoot : Path|str, path, None
        the output folder for the Root output, None triggers no output
    printParticles : bool, False
        print generated particles
    returnEvGen: bool, False
        returns EventGenerator instead of Sequencer.
        This option  is included for compatibility and will be removed when common.addPythia8 is removed.
    """

    if int(s.config.logLevel) <= int(acts.logging.DEBUG):
        acts.examples.dump_args_calls(locals())

    # Preliminaries
    rnd = rnd or acts.examples.RandomNumbers()
    vtxGen = vtxGen or acts.examples.GaussianVertexGenerator(
        stddev=acts.Vector4(0, 0, 0, 0), mean=acts.Vector4(0, 0, 0, 0))
    if not isinstance(beam, Iterable):
        beam = (beam, beam)

    generators = []
    if nhard is not None and nhard > 0:
        generators.append(
            acts.examples.EventGenerator.Generator(
                multiplicity=acts.examples.FixedMultiplicityGenerator(n=nhard),
                vertex=vtxGen,
                particles=acts.examples.pythia8.Pythia8Generator(
                    level=s.config.logLevel,
                    **acts.examples.defaultKWArgs(
                        pdgBeam0=beam[0],
                        pdgBeam1=beam[1],
                        cmsEnergy=cmsEnergy,
                        settings=hardProcess,
                    ),
                ),
            ))
    if npileup > 0:
        generators.append(
            acts.examples.EventGenerator.Generator(
                multiplicity=acts.examples.FixedMultiplicityGenerator(
                    n=npileup),
                vertex=vtxGen,
                particles=acts.examples.pythia8.Pythia8Generator(
                    level=s.config.logLevel,
                    **acts.examples.defaultKWArgs(
                        pdgBeam0=beam[0],
                        pdgBeam1=beam[1],
                        cmsEnergy=cmsEnergy,
                        settings=pileupProcess,
                    ),
                ),
            ))

    # Input
    evGen = acts.examples.EventGenerator(
        level=s.config.logLevel,
        generators=generators,
        outputParticles="particles_input",
        randomNumbers=rnd,
    )

    s.addReader(evGen)

    if printParticles:
        s.addAlgorithm(
            acts.examples.ParticlesPrinter(
                level=s.config.logLevel,
                inputParticles=evGen.config.outputParticles))

    if outputDirCsv is not None:
        outputDirCsv = Path(outputDirCsv)
        if not outputDirCsv.exists():
            outputDirCsv.mkdir()

        s.addWriter(
            acts.examples.CsvParticleWriter(
                level=s.config.logLevel,
                inputParticles=evGen.config.outputParticles,
                outputDir=str(outputDirCsv),
                outputStem="particles",
            ))

    if outputDirRoot is not None:
        outputDirRoot = Path(outputDirRoot)
        if not outputDirRoot.exists():
            outputDirRoot.mkdir()

        s.addWriter(
            acts.examples.RootParticleWriter(
                level=s.config.logLevel,
                inputParticles=evGen.config.outputParticles,
                filePath=str(outputDirRoot / "pythia8_particles.root"),
            ))

    return evGen if returnEvGen else s
Ejemplo n.º 11
0
def runFatras(trackingGeometry,
              field,
              outputDir,
              s: acts.examples.Sequencer = None):

    # Preliminaries
    rnd = acts.examples.RandomNumbers()

    # Input
    vtxGen = acts.examples.GaussianVertexGenerator()
    vtxGen.stddev = acts.Vector4(0, 0, 0, 0)

    ptclGen = acts.examples.ParametricParticleGenerator(p=(1 * u.GeV,
                                                           10 * u.GeV),
                                                        eta=(-2, 2))

    g = acts.examples.EventGenerator.Generator()
    g.multiplicity = acts.examples.FixedMultiplicityGenerator()
    g.vertex = vtxGen
    g.particles = ptclGen

    evGen = acts.examples.EventGenerator(
        level=acts.logging.INFO,
        generators=[g],
        outputParticles="particles_input",
        randomNumbers=rnd,
    )

    # Selector
    selector = acts.examples.ParticleSelector(
        level=acts.logging.INFO,
        inputParticles=evGen.config.outputParticles,
        outputParticles="particles_selected",
    )

    # Simulation
    alg = acts.examples.FatrasSimulation(
        level=acts.logging.INFO,
        inputParticles=selector.config.outputParticles,
        outputParticlesInitial="particles_initial",
        outputParticlesFinal="particles_final",
        outputSimHits="simhits",
        randomNumbers=rnd,
        trackingGeometry=trackingGeometry,
        magneticField=field,
        generateHitsOnSensitive=True,
    )

    # Sequencer
    s = s or acts.examples.Sequencer(
        events=100, numThreads=-1, logLevel=acts.logging.INFO)

    s.addReader(evGen)
    s.addAlgorithm(selector)
    s.addAlgorithm(alg)

    # Output
    s.addWriter(
        acts.examples.CsvParticleWriter(
            level=acts.logging.INFO,
            outputDir=outputDir + "/csv",
            inputParticles="particles_final",
            outputStem="particles_final",
        ))

    s.addWriter(
        acts.examples.RootParticleWriter(
            level=acts.logging.INFO,
            inputParticles="particles_final",
            filePath=outputDir + "/fatras_particles_final.root",
        ))

    s.addWriter(
        acts.examples.CsvParticleWriter(
            level=acts.logging.INFO,
            outputDir=outputDir + "/csv",
            inputParticles="particles_initial",
            outputStem="particles_initial",
        ))

    s.addWriter(
        acts.examples.RootParticleWriter(
            level=acts.logging.INFO,
            inputParticles="particles_initial",
            filePath=outputDir + "/fatras_particles_initial.root",
        ))

    s.addWriter(
        acts.examples.CsvSimHitWriter(
            level=acts.logging.INFO,
            inputSimHits=alg.config.outputSimHits,
            outputDir=outputDir + "/csv",
            outputStem="hits",
        ))

    s.addWriter(
        acts.examples.RootSimHitWriter(
            level=acts.logging.INFO,
            inputSimHits=alg.config.outputSimHits,
            filePath=outputDir + "/hits.root",
        ))

    return s
Ejemplo n.º 12
0
def runTruthTrackingKalman(
    trackingGeometry: acts.TrackingGeometry,
    field: acts.MagneticFieldProvider,
    outputDir: Path,
    digiConfigFile: Path,
    directNavigation=False,
    reverseFilteringMomThreshold=0 * u.GeV,
    s: acts.examples.Sequencer = None,
    inputParticlePath: Optional[Path] = None,
):
    from particle_gun import addParticleGun, EtaConfig, PhiConfig, ParticleConfig
    from fatras import addFatras
    from digitization import addDigitization
    from seeding import addSeeding, SeedingAlgorithm, TruthSeedRanges

    s = s or acts.examples.Sequencer(
        events=100, numThreads=-1, logLevel=acts.logging.INFO)

    rnd = acts.examples.RandomNumbers()
    outputDir = Path(outputDir)

    if inputParticlePath is None:
        s = addParticleGun(
            s,
            EtaConfig(-2.0, 2.0),
            ParticleConfig(2, acts.PdgParticle.eMuon, False),
            multiplicity=1,
            rnd=rnd,
            outputDirRoot=outputDir,
        )
    else:
        acts.logging.getLogger("Truth tracking example").info(
            "Reading particles from %s", inputParticlePath.resolve())
        assert inputParticlePath.exists()
        s.addReader(
            RootParticleReader(
                level=acts.logging.INFO,
                filePath=str(inputParticlePath.resolve()),
                particleCollection="particles_input",
                orderedEvents=False,
            ))

    s = addFatras(
        s,
        trackingGeometry,
        field,
        rnd=rnd,
    )

    s = addDigitization(
        s,
        trackingGeometry,
        field,
        digiConfigFile=digiConfigFile,
        rnd=rnd,
    )

    s = addSeeding(
        s,
        trackingGeometry,
        field,
        seedingAlgorithm=SeedingAlgorithm.TruthSmeared,
        rnd=rnd,
        truthSeedRanges=TruthSeedRanges(
            pt=(500 * u.MeV, None),
            nHits=(9, None),
        ),
    )

    s = addKalmanTracks(s, trackingGeometry, field, directNavigation,
                        reverseFilteringMomThreshold)

    # Output
    s.addWriter(
        acts.examples.RootTrajectoryStatesWriter(
            level=acts.logging.INFO,
            inputTrajectories="trajectories",
            inputParticles="truth_seeds_selected",
            inputSimHits="simhits",
            inputMeasurementParticlesMap="measurement_particles_map",
            inputMeasurementSimHitsMap="measurement_simhits_map",
            filePath=str(outputDir / "trackstates_fitter.root"),
        ))

    s.addWriter(
        acts.examples.RootTrajectorySummaryWriter(
            level=acts.logging.INFO,
            inputTrajectories="trajectories",
            inputParticles="truth_seeds_selected",
            inputMeasurementParticlesMap="measurement_particles_map",
            filePath=str(outputDir / "tracksummary_fitter.root"),
        ))

    s.addWriter(
        acts.examples.TrackFinderPerformanceWriter(
            level=acts.logging.INFO,
            inputProtoTracks="sortedprototracks"
            if directNavigation else "prototracks",
            inputParticles="truth_seeds_selected",
            inputMeasurementParticlesMap="measurement_particles_map",
            filePath=str(outputDir / "performance_track_finder.root"),
        ))

    s.addWriter(
        acts.examples.TrackFitterPerformanceWriter(
            level=acts.logging.INFO,
            inputTrajectories="trajectories",
            inputParticles="truth_seeds_selected",
            inputMeasurementParticlesMap="measurement_particles_map",
            filePath=str(outputDir / "performance_track_fitter.root"),
        ))

    return s
Ejemplo n.º 13
0
def addFatras(
    s: acts.examples.Sequencer,
    trackingGeometry: acts.TrackingGeometry,
    field: acts.MagneticFieldProvider,
    outputDirCsv: Optional[Union[Path, str]] = None,
    outputDirRoot: Optional[Union[Path, str]] = None,
    rnd: Optional[acts.examples.RandomNumbers] = None,
    preselectParticles: bool = True,
) -> acts.examples.Sequencer:
    """This function steers the detector simulation using Fatras

    Parameters
    ----------
    s: Sequencer
        the sequencer module to which we add the Fatras steps (returned from addFatras)
    trackingGeometry : tracking geometry
    field : magnetic field
    outputDirCsv : Path|str, path, None
        the output folder for the Csv output, None triggers no output
    outputDirRoot : Path|str, path, None
        the output folder for the Root output, None triggers no output
    rnd : RandomNumbers, None
        random number generator
    """

    if int(s.config.logLevel) <= int(acts.logging.DEBUG):
        acts.examples.dump_args_calls(locals())

    # Preliminaries
    rnd = rnd or acts.examples.RandomNumbers()

    # Selector
    if preselectParticles:
        particles_selected = "particles_selected"
        s.addAlgorithm(
            acts.examples.ParticleSelector(
                level=s.config.logLevel,
                inputParticles="particles_input",
                outputParticles=particles_selected,
            ))
    else:
        particles_selected = "particles_input"

    # Simulation
    alg = acts.examples.FatrasSimulation(
        level=s.config.logLevel,
        inputParticles=particles_selected,
        outputParticlesInitial="particles_initial",
        outputParticlesFinal="particles_final",
        outputSimHits="simhits",
        randomNumbers=rnd,
        trackingGeometry=trackingGeometry,
        magneticField=field,
        generateHitsOnSensitive=True,
    )

    # Sequencer
    s.addAlgorithm(alg)

    # Output
    if outputDirCsv is not None:
        outputDirCsv = Path(outputDirCsv)
        if not outputDirCsv.exists():
            outputDirCsv.mkdir()
        s.addWriter(
            acts.examples.CsvParticleWriter(
                level=s.config.logLevel,
                outputDir=str(outputDirCsv),
                inputParticles="particles_final",
                outputStem="particles_final",
            ))

    if outputDirRoot is not None:
        outputDirRoot = Path(outputDirRoot)
        if not outputDirRoot.exists():
            outputDirRoot.mkdir()
        s.addWriter(
            acts.examples.RootParticleWriter(
                level=s.config.logLevel,
                inputParticles="particles_final",
                filePath=str(outputDirRoot / "fatras_particles_final.root"),
            ))

    if outputDirCsv is not None:
        s.addWriter(
            acts.examples.CsvParticleWriter(
                level=s.config.logLevel,
                outputDir=str(outputDirCsv),
                inputParticles="particles_initial",
                outputStem="particles_initial",
            ))

    if outputDirRoot is not None:
        s.addWriter(
            acts.examples.RootParticleWriter(
                level=s.config.logLevel,
                inputParticles="particles_initial",
                filePath=str(outputDirRoot / "fatras_particles_initial.root"),
            ))

    if outputDirCsv is not None:
        s.addWriter(
            acts.examples.CsvSimHitWriter(
                level=s.config.logLevel,
                inputSimHits=alg.config.outputSimHits,
                outputDir=str(outputDirCsv),
                outputStem="hits",
            ))

    if outputDirRoot is not None:
        s.addWriter(
            acts.examples.RootSimHitWriter(
                level=s.config.logLevel,
                inputSimHits=alg.config.outputSimHits,
                filePath=str(outputDirRoot / "hits.root"),
            ))

    return s