Example #1
0
def idleLoop():
    """Watches user input, next, quit or picking"""

    text = "event " + str(g.event.getEventNumber()) + " " + str(
        g.event.getRunNumber())
    text = text + " - hit enter to draw next - [q] to quit - double click on objects for picking"

    #  input loop (keyboard or mouse)
    print text
    while True:
        i, o, e = select.select([sys.stdin], [], [], 0.5)
        if (i):
            c = sys.stdin.readline().strip()
        else:
            c = -1
        if (c == 'q' or c == ''):
            break
        if (c != -1):
            print text
        pid = g.ced.ced_selected_id_noblock()
        if pid != -1:
            print ' picked object with Id: ', pid
            if (pid in g.objects):
                print UTIL.toString(g.objects[pid])
    return c
Example #2
0
    def readEvent(self):
        
        runNumber = self._lcioReader.getNumberOfRuns()

        try:
              self._event = self._lcioReader.next()
        except:
              return None

        evtNum = self._event.getEventNumber()

        pfoTargetCandidates = []

        hits = self._event.getCollection('SDHcalCollection')
        nHits = hits.getNumberOfElements()
        cellIdEncoding = hits.getParameters().getStringVal( EVENT.LCIO.CellIDEncoding )
        idDecoder = UTIL.BitField64( cellIdEncoding )

        print 'Event : ', evtNum, ', # of SDHCAL hits: ', nHits

        hitsLayer = []

        for iHit in range(0, nHits):
            hit = hits.getElementAt( iHit )
            cellID = long( hit.getCellID0() & 0xffffffff ) | ( long( hit.getCellID1() ) << 32 )
            idDecoder.setValue( cellID )
            layer = int( idDecoder['K'].value() )
            hitsLayer.append( layer )

            #print 'hit layer: %d' % (layer)

        return self._event, hitsLayer
Example #3
0
def readEvent():
    for event in reader:
        allHitPos = []

        hcalHits = event.getCollection('HCALOther')
        evtNum = event.getEventNumber()

        nHit = hcalHits.getNumberOfElements()
        cellIdEncoding = hcalHits.getParameters().getStringVal(
            EVENT.LCIO.CellIDEncoding)
        idDecoder = UTIL.BitField64(cellIdEncoding)

        for iHit in range(0, nHit):
            caloHit = hcalHits.getElementAt(iHit)
            pos = caloHit.getPositionVec()
            cellID = long(caloHit.getCellID0()
                          & 0xffffffff) | (long(caloHit.getCellID1()) << 32)
            idDecoder.setValue(cellID)
            layer = idDecoder['layer'].value()

            allHitPos.append([pos[0], pos[1], pos[2]])

        evt = drawPoint(allHitPos, evtNum)
        text = raw_input('press any key to exit: ')

        if text == '':
            evt.DisableListElements()
        else:
            print 'exit'
            break
Example #4
0
def get_pos(event):  # start position of each particle

    # get a hit collection
    BCAL = event.getCollection("BeamCalHits")

    # get the cell ID encoding string from the collection parameters
    cellIdEncoding = BCAL.getParameters().getStringVal(
        EVENT.LCIO.CellIDEncoding)

    # define a cell ID decoder for the collection
    idDecoder = UTIL.BitField64(cellIdEncoding)
    for calhit in BCAL:

        # combine the two 32 bit cell IDs of the hit into one 64 bit integer
        cellID = long(calhit.getCellID0()
                      & 0xffffffff) | (long(calhit.getCellID1()) << 32)

        # set up the ID decoder for this cell ID
    idDecoder.setValue(cellID)

    # access the field information using a valid field from the cell ID encoding string
    print 'x:', idDecoder['x'].value()
    print 'y:', idDecoder['y'].value()
    # can put 'barrel' , 'layer' instead of 'x' and 'y' to get those values

    a = TNtuple("a", "cell", "layer")
Example #5
0
def layerNos(nmbEvents,inFile):
    layerNosH=[0]*nmbEvents
    layerNos=[0]*nmbEvents
    for i in range(nmbEvents):
        layerNos[i]=[]
        layerNosH[i]=[]

    #create a reader
    readerL = LcioReader(inFile )
    eventNo=-1
    # loop over the events
    for event in readerL:
        eventNo+=1
        if eventNo%100==0:
            print "recording layers of event "+str(eventNo)
        # get a hit collection
        hcalHits = event.getCollection( 'HCalBarrelHits' )
        ecalHits = event.getCollection( 'ECalBarrelHits' )
        # get the cell ID encoding string from the collection parameters
        cellIdEncoding = ecalHits.getParameters().getStringVal( EVENT.LCIO.CellIDEncoding )
        cellIdEncodingH = hcalHits.getParameters().getStringVal( EVENT.LCIO.CellIDEncoding )
        # define a cell ID decoder for the collection
        idDecoder = UTIL.BitField64( cellIdEncoding )
        idDecoderH = UTIL.BitField64( cellIdEncodingH )
        # loop over all hits in the collection
        for caloHit in ecalHits:
            # combine the two 32 bit cell IDs of the hit into one 64 bit integer
            cellID = long( caloHit.getCellID0() & 0xffffffff ) | ( long( caloHit.getCellID1() ) << 32 )
            # set up the ID decoder for this cell ID
            idDecoder.setValue( cellID )
            # access the field information using a valid field from the cell ID encoding string
            layerNos[eventNo].append(idDecoder['layer'].value())
        for caloHitH in hcalHits:
            cellIDH=long(caloHitH.getCellID0() & 0xffffffff)|(long(caloHitH.getCellID1())<<32)
            idDecoderH.setValue(cellIDH)
            layerNosH[eventNo].append(idDecoderH['layer'].value())

    return layerNosH, layerNos
Example #6
0
def idleLoop():
    """Watches user input, next, quit or picking"""

    text = "event " + str(g.event.getEventNumber()) + " " +  str(g.event.getRunNumber())  
    text = text + " - hit enter to draw next - [q] to quit - double click on objects for picking" 

#  input loop (keyboard or mouse)
    print text
    while True:
        i, o, e = select.select( [sys.stdin], [], [], 0.5 )
        if(i):
            c = sys.stdin.readline().strip()
        else:
            c = -1
        if( c == 'q' or c == '' ):
            break ;
        if( c != -1 ):
            print text
        pid = g.ced.ced_selected_id_noblock();
        if pid != -1:
            print ' picked object with Id: ' , pid 
            if( pid in g.objects ):
                print UTIL.toString( g.objects[ pid ] ) 
    return c
def get_b_and_c_likenesses(event):
    collection = event.getCollection("RefinedJets")

    pidh = UTIL.PIDHandler(collection)
    algo = pidh.getAlgorithmID("lcfiplus")
    ibtag = pidh.getParameterIndex(algo, "BTag")
    ictag = pidh.getParameterIndex(algo, "CTag")

    likenesses = []

    for jet in collection:  #should be two of themath...
        pid = pidh.getParticleID(jet, algo)
        likenesses.append({
            "BTag": pid.getParameters()[ibtag],
            "CTag": pid.getParameters()[ictag]
        })

    return likenesses
Example #8
0
 def __open__(self, fileName):
     if self.isOpen:
         self.__close__()
     self.reader = UTIL.LCStdHepRdr(fileName)
     self.isOpen = True
Example #9
0
eventNo = -1
# loop over the events
for event in readerL:
    eventNo += 1
    if eventNo % 100 == 0:
        print "recording layers of event " + str(eventNo)
#    print eventNo
# get a hit collection
    ecalHits = event.getCollection('ECalBarrelHits')
    # get the cell ID encoding string from the collection parameters
    cellIdEncoding = ecalHits.getParameters().getStringVal(
        EVENT.LCIO.CellIDEncoding)
    #    print cellIdEncoding
    # define a cell ID decoder for the collection
    idDecoder = UTIL.BitField64(cellIdEncoding)
    # loop over all hits in the collection
    for caloHit in ecalHits:
        # combine the two 32 bit cell IDs of the hit into one 64 bit integer
        cellID = long(caloHit.getCellID0()
                      & 0xffffffff) | (long(caloHit.getCellID1()) << 32)
        # set up the ID decoder for this cell ID
        idDecoder.setValue(cellID)
        # access the field information using a valid field from the cell ID encoding string
        #        print 'layer:', idDecoder['layer'].value()
        layerNos[eventNo].append(idDecoder['layer'].value())

###############################################################################

# create a reader and open an LCIO file
reader = IOIMPL.LCFactory.getInstance().createLCReader()
Example #10
0
def getEnergies(path_to_file, outfile, openingAngleCut):

    idDecoder = UTIL.BitField64(
        "system:5,side:2,module:8,stave:4,layer:9,submodule:4,x:32:-16,y:-16")
    idDecoderHCAL = UTIL.BitField64(
        "system:5,side:2,module:8,stave:4,layer:9,submodule:4,x:32:-16,y:-16")

    fil = ROOT.TFile.Open(str(path_to_file), "read")
    iEvt = 0

    # We make an empty list of events
    event_list = []

    for event in fil.EVENT:

        openingAngle = -1  # default if there is no pi0 -> /gamma/gamma

        if (len(event.MCParticles) >= 3 and event.MCParticles[0].pdgID == 111
                and event.MCParticles[1].pdgID == 22
                and event.MCParticles[2].pdgID == 22):

            gamma1px = event.MCParticles[1].psx
            gamma1py = event.MCParticles[1].psy
            gamma1pz = event.MCParticles[1].psz
            gamma2px = event.MCParticles[2].psx
            gamma2py = event.MCParticles[2].psy
            gamma2pz = event.MCParticles[2].psz

            cos_theta = (gamma1px * gamma2px + gamma1py * gamma2py +
                         gamma1pz * gamma2pz) / math.sqrt(
                             (gamma1px * gamma1px + gamma1py * gamma1py +
                              gamma1pz * gamma1pz) *
                             (gamma2px * gamma2px + gamma2py * gamma2py +
                              gamma2pz * gamma2pz))
            openingAngle = math.acos(cos_theta)

        if (~openingAngleCut or (openingAngle < 0.01 and openingAngle != -1)
            ):  # either require opening angle cut of 0.01 or allow everything

            # We make an empty list of hits (within this event)
            hit_list = []
            hit_listHCAL = []

            iEvt = iEvt + 1

            # Read HCAL
            for i in range(len(event.HCalBarrelCollection)):
                idDecoderHCAL.setValue(event.HCalBarrelCollection[i].cellID)

                z = idDecoderHCAL['layer'].value()
                x = idDecoderHCAL['x'].value()
                y = idDecoderHCAL['y'].value()
                E = event.HCalBarrelCollection[i].energyDeposit
                pos = event.HCalBarrelCollection[i].position
                hit_listHCAL.append(
                    (int(x), int(y), int(z), E, pos.X(), pos.Y(), pos.Z()))

            # Read ECAL
            for i in range(len(event.ECalBarrelCollection)):

                #print event.ECalBarrelCollection.getParameters()
                idDecoder.setValue(event.ECalBarrelCollection[i].cellID)

                z = idDecoder['layer'].value()
                x = idDecoder['x'].value()
                y = idDecoder['y'].value()
                E = event.ECalBarrelCollection[i].energyDeposit
                pos = event.ECalBarrelCollection[i].position
                if (z < 25):
                    hit_list.append(
                        (int(x), int(y), int(z), E, pos.X(), pos.Y(), pos.Z()))

            # Read energy
            gunpx = event.MCParticles[0].psx
            gunpy = event.MCParticles[0].psy
            gunpz = event.MCParticles[0].psz
            m = event.MCParticles[0].mass
            gunE = ROOT.TMath.Sqrt(m * m + gunpx * gunpx + gunpy * gunpy +
                                   gunpz * gunpz)
            pdgID = event.MCParticles[0].pdgID

            photon_conversion_num = 0
            for i in range(len(event.MCParticles)):
                if (event.MCParticles[i].pdgID == -11):
                    positron_px = event.MCParticles[i].psx
                    positron_py = event.MCParticles[i].psy
                    positron_pz = event.MCParticles[i].psz
                    positron_m = event.MCParticles[i].mass
                    positron_E = ROOT.TMath.Sqrt(positron_m * positron_m +
                                                 positron_px * positron_px +
                                                 positron_py * positron_py +
                                                 positron_pz * positron_pz)
                    for j in range(len(event.MCParticles)):
                        if (event.MCParticles[j].pdgID == 11
                                and event.MCParticles[j].vsx
                                == event.MCParticles[i].vsx
                                and event.MCParticles[j].vsy
                                == event.MCParticles[i].vsy
                                and event.MCParticles[j].vsz
                                == event.MCParticles[i].vsz):

                            electron_px = event.MCParticles[j].psx
                            electron_py = event.MCParticles[j].psy
                            electron_pz = event.MCParticles[j].psz
                            electron_m = event.MCParticles[j].mass
                            electron_E = ROOT.TMath.Sqrt(
                                electron_m * electron_m +
                                electron_px * electron_px +
                                electron_py * electron_py +
                                electron_pz * electron_pz)

                            #if((positron_E + electron_E) > (ROOT.TMath.Sqrt(electron_m*electron_m+10)+ROOT.TMath.Sqrt(positron_m*positron_m +10))):
                            if ((positron_E + electron_E) > 1000):
                                photon_conversion_num += 1

            event_list.append({
                'pdgID': pdgID,
                'E': gunE,
                'px': gunpx,
                'py': gunpy,
                'pz': gunpz,
                'conversion': photon_conversion_num,
                'ECAL': hit_list,
                'HCAL': hit_listHCAL,
                'openingAngle': openingAngle
            })

            print(len(hit_list), len(hit_listHCAL))

    # Append this event to the event list
    text_file = open(outfile, "w")
    for evt in event_list:
        text_file.write(str(evt) + "\n")
    text_file.close()
    def processEvent(self, event):
        ''' Method called by the event loop for each event '''
        self.numTrk = 0
        self.numTracks = 0

        del self.mcps[:]

        # Get generator particle information
        McP = event.getCollection("MCParticle")
        for p in McP:
            if abs(p.getCharge()) < 0.5:
                continue

            # get information fo charge particle
            mcpCosTheta = p.getMomentum()[2] / sqrt(
                p.getMomentum()[0] * p.getMomentum()[0] + p.getMomentum()[1] *
                p.getMomentum()[1] + p.getMomentum()[2] * p.getMomentum()[2])
            mcpMom = sqrt(p.getMomentum()[0] * p.getMomentum()[0] +
                          p.getMomentum()[1] * p.getMomentum()[1] +
                          p.getMomentum()[2] * p.getMomentum()[2])
            mcpPt = sqrt(p.getMomentum()[0] * p.getMomentum()[0] +
                         p.getMomentum()[1] * p.getMomentum()[1])
            mcpVtx = sqrt(p.getVertex()[0] * p.getVertex()[0] +
                          p.getVertex()[1] * p.getVertex()[1] +
                          p.getVertex()[2] * p.getVertex()[2])
            mcpEnd = sqrt(p.getEndpoint()[0] * p.getEndpoint()[0] +
                          p.getEndpoint()[1] * p.getEndpoint()[1] +
                          p.getEndpoint()[2] * p.getEndpoint()[2])
            mcpEndRho = sqrt(p.getEndpoint()[0] * p.getEndpoint()[0] +
                             p.getEndpoint()[1] * p.getEndpoint()[1])

            # Particle should not be decayed in Tracker.
            #if p.isDecayedInTracker() == True : #False: #True :
            #    continue

            #if mcpPt < 0.100 : #0.1GeV = 100MeV
            #    continue

            # Particle should not go into beam pipe
            if abs(mcpCosTheta) > 0.99:
                continue

            # Particle is not from overlay
            if p.isOverlay() == True:
                continue

            if p.getGeneratorStatus() == 1 and mcpVtx < 100.0:
                self.mcps.append(p)
                self.isGoodMCP = True

        # Get Track information
        isTrkFound = False
        isDupTrk = False
        # Get the MCTruthMarlinTrkTracksLink collection from the event
        mcpToTrk = event.getCollection("MCTruthMarlinTrkTracksLink")
        navMcptTrk = UTIL.LCRelationNavigator(mcpToTrk)
        TrkToMcp = event.getCollection("MarlinTrkTracksMCTruthLink")
        navTrktMcp = UTIL.LCRelationNavigator(TrkToMcp)
        for mu in self.mcps:
            mcpCosTheta = mu.getMomentum()[2] / sqrt(
                mu.getMomentum()[0] * mu.getMomentum()[0] +
                mu.getMomentum()[1] * mu.getMomentum()[1] +
                mu.getMomentum()[2] * mu.getMomentum()[2])
            mcpMom = sqrt(mu.getMomentum()[0] * mu.getMomentum()[0] +
                          mu.getMomentum()[1] * mu.getMomentum()[1] +
                          mu.getMomentum()[2] * mu.getMomentum()[2])
            mcpPt = sqrt(mu.getMomentum()[0] * mu.getMomentum()[0] +
                         mu.getMomentum()[1] * mu.getMomentum()[1])
            mcpVtx = sqrt(mu.getVertex()[0] * mu.getVertex()[0] +
                          mu.getVertex()[1] * mu.getVertex()[1] +
                          mu.getVertex()[2] * mu.getVertex()[2])

            # tracks include this mcp
            trks = navMcptTrk.getRelatedToObjects(mu)
            # percent of track hits made of this mcp
            testFromWgt = navTrktMcp.getRelatedFromWeights(mu)

            # percent of mcp hits contribute to a track
            #testFromWgt4 = navMcptTrk.getRelatedToWeights( mu )

            SimTrkVTX = event.getCollection("VXDCollection")
            Nvtx = 0
            for vtx in SimTrkVTX:
                if vtx.getMCParticle() == mu:
                    Nvtx = Nvtx + 1
                    if Nvtx > 3:
                        break

            SimTrkSIT = event.getCollection("SITCollection")
            Nsit = 0
            for sit in SimTrkSIT:
                if sit.getMCParticle() == mu:
                    Nsit = Nsit + 1
                    if Nsit > 3:
                        break

            #if mcpCosTheta < 0.9 and ( Nvtx + Nsit ) < 4 :
            #    continue

            SimTrkFTD = event.getCollection("FTDCollection")
            Nftd = 0
            for ftd in SimTrkFTD:
                if ftd.getMCParticle() == mu:
                    Nftd = Nftd + 1
                    if Nftd > 3:
                        break

            #if mcpCosTheta >= 0.9 and ( Nftd + Nsit ) < 4 :
            #    continue

            if (Nvtx + Nsit + Nftd) < 4:
                continue

            iTrk = 0
            iDupTrk = 0
            for tr in trks:
                if testFromWgt[iTrk] > 0.75:
                    isTrkFound = True
                    iDupTrk = iDupTrk + 1
                iTrk = iTrk + 1

            self.efficiency1D[self.hPrefix + '_effTrkCosTheta'].Fill(
                isTrkFound, mcpCosTheta)
            self.efficiency1D[self.hPrefix + '_effTrkPt'].Fill(
                isTrkFound, log10(mcpPt))
            self.efficiency1D[self.hPrefix + '_effTrkMom'].Fill(
                isTrkFound, log10(mcpMom))
            self.efficiency1D[self.hPrefix + '_effTrkVtx'].Fill(
                isTrkFound, mcpVtx)
            self.efficiency1D[self.hPrefix + '_effTrkEnd'].Fill(
                isTrkFound, log10(mcpEnd))
            self.efficiency2D[self.hPrefix + '_effTrk2DCosThetaPt'].Fill(
                isTrkFound, mcpCosTheta, mcpPt)
            self.efficiency2D[self.hPrefix + '_effTrk2DCosThetaP'].Fill(
                isTrkFound, mcpCosTheta, mcpMom)
            self.histograms2D[self.hPrefix + '_DenominatorCosThetaPt'].Fill(
                mcpCosTheta, mcpPt)
            self.histograms2D[self.hPrefix + '_DenominatorCosThetaP'].Fill(
                mcpCosTheta, mcpMom)

            if iDupTrk > 1:
                isDupTrk = True
                iDupTrk = 0

            self.efficiency1D[self.hPrefix + '_dupTrkCosTheta'].Fill(
                isDupTrk, mcpCosTheta)
            self.efficiency1D[self.hPrefix + '_dupTrkPt'].Fill(
                isDupTrk, log10(mcpPt))
            self.efficiency1D[self.hPrefix + '_dupTrkMom'].Fill(
                isDupTrk, log10(mcpMom))
            self.efficiency1D[self.hPrefix + '_dupTrkVtx'].Fill(
                isDupTrk, mcpVtx)
            self.efficiency1D[self.hPrefix + '_dupTrkEnd'].Fill(
                isDupTrk, log10(mcpEnd))

            isTrkFound = False
            isDupTrk = False

        MTrks = event.getCollection("MarlinTrkTracks")

        recoPt = 0.0
        recCosth = 0.0

        isFakeTrk = True

        for tr in MTrks:
            d0mcp = tr.getD0()
            #phmcp = tr.getPhi0()
            ommcp = tr.getOmega()
            #z0mcp = tr.getZ0()
            tLmcp = tr.getTanLambda()

            recoPt = abs(((3.0 / 10000.0) * 3.5) / ommcp)
            recCosth = tLmcp / sqrt(1.0 + tLmcp * tLmcp)

            MCPsTrk = navTrktMcp.getRelatedToObjects(tr)
            testToWgt = navTrktMcp.getRelatedToWeights(tr)
            for iTs in testToWgt:
                if iTs >= 0.75:  # group of hits >= 75% from one MCP, consided as real reco track for this MCP,
                    isFakeTrk = False  # is not fake reco track.

            self.efficiency1D[self.hPrefix + '_fakeTrkCosTheta1'].Fill(
                isFakeTrk, recCosth)
            self.efficiency1D[self.hPrefix + '_fakeTrkPt'].Fill(
                isFakeTrk, log10(recoPt))

            if isFakeTrk == True:  # check the fake track: Number of MCP
                self.histograms1D[self.hPrefix + '_fakeTrkNmcp1'].Fill(
                    MCPsTrk.size())

            if MCPsTrk.size() == 2:
                Daus0 = MCPsTrk[0].getDaughters()
                for da0 in Daus0:
                    if da0 == MCPsTrk[1]:
                        isFakeTrk = False
                        #print("Pa0: ",MCPsTrk[0].getPDG()," Da1: ", MCPsTrk[1].getPDG())
                Daus1 = MCPsTrk[1].getDaughters()
                for da1 in Daus1:
                    if da1 == MCPsTrk[0]:
                        isFakeTrk = False
                        #print("Pa1: ",MCPsTrk[1].getPDG()," Da0: ", MCPsTrk[0].getPDG())

            if isFakeTrk == True:  # check the fake track: Number of MCP
                self.histograms1D[self.hPrefix + '_fakeTrkNmcp2'].Fill(
                    MCPsTrk.size())

            self.efficiency1D[self.hPrefix + '_fakeTrkCosTheta2'].Fill(
                isFakeTrk, recCosth)

            isFakeTrk = True
def readEvent():
    for event in reader:
        allHitPos = []

        hcalHits = event.getCollection('HCALOther')
        evtNum   = event.getEventNumber()

        nHit = hcalHits.getNumberOfElements()
        cellIdEncoding = hcalHits.getParameters().getStringVal( EVENT.LCIO.CellIDEncoding ) 
        idDecoder = UTIL.BitField64( cellIdEncoding )

        for iHit in range(0, nHit):
            caloHit = hcalHits.getElementAt( iHit )
            pos = caloHit.getPositionVec()
            cellID = long( caloHit.getCellID0() & 0xffffffff ) | ( long( caloHit.getCellID1() ) << 32 )
            idDecoder.setValue( cellID )
            layer = idDecoder['layer'].value()

            allHitPos.append( [pos[0], pos[1], pos[2]] )

        quantile = 0.025

        Xdata = StandardScaler().fit_transform(allHitPos)
        bandwidth = cluster.estimate_bandwidth(Xdata, quantile=quantile)
        ms = cluster.MeanShift(bandwidth=bandwidth, bin_seeding=True)
        ms.fit(Xdata)
        y_pred = ms.labels_.astype(np.int)
        hitClusters = list(y_pred)
        
        clustersSelected = []
        
        iClu = 0
        minClusterSize = 0
        maxClusterSize = 10000
        
        while True:
            hitsNum = hitClusters.count(iClu)
        
            if hitsNum == 0:
                break
        
            allHits = len(hitClusters)
        
            idx = [i for i in range(allHits) if hitClusters[i] == iClu]
        	
            printOut = False

            if printOut:
                print '----> Cluster ', iClu, ': hits number: ', hitsNum, ' =================== '
                print idx, '\n'
        
        	###########################################
        	# select clusters to show by hit number
        	###########################################
            if hitsNum > minClusterSize and hitsNum < maxClusterSize:
                hitCluster = [allHitPos[i] for i in idx]
                clustersSelected.append( hitCluster )
        
            iClu = iClu + 1
    
    ###########################################

        evt = drawClusters(clustersSelected, evtNum)
        #evt = drawPoints(allHitPos, evtNum)
        text = raw_input('press any key to exit: ')

        if text == '':
            evt.DisableListElements()
            #print 'next event'
        else:
            print 'exit'
            break
Example #13
0
def generateEvents( outputFileName, nEvents ):
    
    random = TRandom3( 12345 )
    
    # define a particle source
    sourcePosition = TVector3( 0., 0., 0. )
    sourceSpreadXY = 10.
    pdgid = 13
    charge = -1.
    mass = 0.105658
    momentum = TVector3( 0.3, 0.1, 10. )
    runNumber = 321
    
    # define a detector with positions for the tracker planes
    detectorName = 'ToyTracker'
    trackerPlanePositions = []
    hitResolution = 0.01
    planeNormal = TVector3( 0., 0., 1. )
    for planeZ in [ 100., 250., 480., 510., 640. ]:
        trackerPlanePositions.append( TVector3( 0., 0., planeZ ) )
    
    # create a writer and open the output file
    writer = IOIMPL.LCFactory.getInstance().createLCWriter()
    writer.open( outputFileName, EVENT.LCIO.WRITE_NEW )
    
    # create a run header and add it to the file (optional)
    run = IMPL.LCRunHeaderImpl()
    run.setRunNumber( runNumber )
    run.setDetectorName( detectorName )
    run.setDescription( 'This is a test run' )
    writer.writeRunHeader( run )
    
    for iEvent in xrange( nEvents ):
        
        # create an event and set its parameters
        event = IMPL.LCEventImpl()
        event.setEventNumber( iEvent )
        event.setDetectorName( detectorName )
        event.setRunNumber( runNumber )
        event.setTimeStamp( int( time() * 1000000000. ) )
        
        # create the mc particle collection
        mcParticles = IMPL.LCCollectionVec( EVENT.LCIO.MCPARTICLE )
        
        # calculate the origin of the particle
        x = random.Gaus( sourcePosition.x(), sourceSpreadXY )
        y = random.Gaus( sourcePosition.y(), sourceSpreadXY )
        z = sourcePosition.z()
        origin = TVector3( x, y, z )
        
        # create a particle
        mcParticle = IMPL.MCParticleImpl()
        mcParticle.setPDG( pdgid )
        mcParticle.setMass( mass )
        mcParticle.setMomentumVec( momentum )
        mcParticle.setGeneratorStatus( 1 )
        mcParticle.setVertexVec( origin )
        mcParticle.setTime( 0. )
        mcParticles.addElement( mcParticle )
        
        # create a tracker hit collection
        trackerHits = IMPL.LCCollectionVec( EVENT.LCIO.SIMTRACKERHIT )
        trackerHits.setFlag( UTIL.set_bit( trackerHits.getFlag(), EVENT.LCIO.THBIT_MOMENTUM ) )
        
        # create an IDEncoder to store hit IDs
        # defines the tags and the number of bits for the different bit fields
        encodingString = 'system:3,layer:6'
        idEncoder = UTIL.CellIDEncoder( IMPL.SimTrackerHitImpl )( encodingString, trackerHits )
        
        # add a hit for each layer
        for planePosition in trackerPlanePositions:
            # calculate the intersection with the plane
            distance = ( planePosition - origin ).Dot( planeNormal ) / momentum.Dot( planeNormal )
            intersect = TVector3( momentum )
            intersect.SetMag( distance )

            # smear the hit position with the resolution            
            hitX = random.Gaus( intersect.x(), hitResolution )
            hitY = random.Gaus( intersect.x(), hitResolution )
            hitPosition = TVector3( hitX, hitY, intersect.z() )
            
            # build the tracker hit
            trackerHit = IMPL.SimTrackerHitImpl()
            trackerHit.setPositionVec( hitPosition )
            trackerHit.setMomentumVec( momentum )
            trackerHit.setMCParticle( mcParticle )
            trackerHit.setTime( distance / TMath.C() )
            trackerHit.setEDep( 0.1 )
            
            # set the cell ID
            idEncoder.reset()
            idEncoder['layer'] = trackerPlanePositions.index( planePosition )
            idEncoder['system'] = 1
            idEncoder.setCellID( trackerHit )
            
            trackerHits.addElement( trackerHit )
        
        event.addCollection( mcParticles, EVENT.LCIO.MCPARTICLE )
        event.addCollection( trackerHits, 'SimTrackerHits' )
        
        writer.writeEvent( event )
    
    writer.flush()
    writer.close()
Example #14
0
def convert_to_calorimeterevent(inputFileName, outputFileName, Row2X_lut_left,
                                Row2X_lut_right, Column2Y_lut_left,
                                Column2Y_lut_right, Z_lut, lane_lut, IsLeft):
    #check flag setting, as position won't be written if LCIO::CHBIT_LONG not set...
    flag = IMPL.LCFlagImpl()
    flag.setBit(EVENT.LCIO.CHBIT_LONG)

    #Create a reader to parse the input file
    reader = LcioReader(inputFileName)

    #create a writer to write to the output file
    writer = IOIMPL.LCFactory.getInstance().createLCWriter()
    writer.open(outputFileName, EVENT.LCIO.WRITE_NEW)

    #create indexes for progress tracking...
    index = 0.
    q = int(0)

    #get the root tree...
    file = TFile(inputFileName, "read")
    tree = file.Get("Frames")

    #loop over all entries in the tree
    for i in range(0, tree.GetEntries()):
        #if index>=10:
        #    break

        index += 1.

        tree.GetEntry(i)
        Lane = tree.lane  #vector
        Row = tree.row  #vector
        Column = tree.column  #vector
        Event = tree.eventNumber
        File = tree.fileNumber
        Run = tree.runNumber

        # ++ Lane, Row and Column should be the same length. Let's just check that they are:
        if (len(Lane) != len(Row)) or (len(Lane) != len(Column)):
            print "ERROR +++++++++++++++++++++++++++++++++++++          Row vector length", len(
                Row), ", Column vector length", len(
                    Column), "and Lane vector length", len(
                        Lane), "aren't equal!"

        #create a new event
        newEvent = IMPL.LCEventImpl()
        newEvent.setEventNumber(Event)
        newEvent.setRunNumber(Run)

        #Create a new collection to add to the new events, now made from CalorimeterHits.
        CaloHits = IMPL.LCCollectionVec(EVENT.LCIO.CALORIMETERHIT)

        #add flag to CaloHits so we can store positions...
        CaloHits.setFlag(flag.getFlag())

        #Create an encoder for the new events...
        encodingString = str("lane:7,row:11,column:11")
        idEncoder = UTIL.CellIDEncoder(IMPL.CalorimeterHitImpl)(encodingString,
                                                                CaloHits)

        #Loop over all entries in the tree...
        for j in range(0, len(Lane)):
            #get the chipID from the lane...
            chipID = inverse_lane_lut[Lane[j]]

            #get x, y and z.
            if (IsLeft[chipID]):
                x = Row2X_lut_left[Row[j]]
                y = Column2Y_lut_left[Column[j]]

            else:
                x = Row2X_lut_right[Row[j]]
                y = Column2Y_lut_right[Column[j]]

            z = Z_lut[chipID]

            #Make new calorimeter hit:
            newHit = IMPL.CalorimeterHitImpl()

            #add the lane, column, row to the new collection...
            idEncoder.reset()
            idEncoder['lane'] = Lane[j]
            idEncoder['row'] = Row[j]
            idEncoder['column'] = Column[j]
            idEncoder.setCellID(newHit)

            #add x, y, z to the new collection...
            Position = TVector3(x, y, z)
            newHit.setPositionVec(Position)

            #add hits to collection
            CaloHits.addElement(newHit)

            #end of hit loop

        #add collection to event
        newEvent.addCollection(CaloHits, 'ECalBarrelCollection')

        #write the event to the output file
        writer.writeEvent(newEvent)

        #print percentage of progress (but not too often!)
        p = int((float(index) / float(tree.GetEntries() * 100)))
        progress = str(p) + '%'
        if (p != q):
            print "Progress:", progress
            q = int(p)

        #end of event loop

    #close the writer
    writer.flush()
    writer.close()
def convertRun(inputFileName, outputFileName, runNumber, nplanes=7):

    # define detector name
    detectorName = 'FEI4Tel'

    # create a writer and open the output file
    writer = IOIMPL.LCFactory.getInstance().createLCWriter()
    writer.open(outputFileName, EVENT.LCIO.WRITE_NEW)

    # create a run header and add it to the file
    run = IMPL.LCRunHeaderImpl()
    run.setRunNumber(runNumber)
    run.setDetectorName(detectorName)
    run.parameters().setValue('GeoID', 0)
    run.parameters().setValues('MaxX', std.vector(int)(nplanes, 335))
    run.parameters().setValues('MaxY', std.vector(int)(nplanes, 79))
    run.parameters().setValues('MinX', std.vector(int)(nplanes, 0))
    run.parameters().setValues('MinY', std.vector(int)(nplanes, 0))
    run.parameters().setValue('NoOfDetector', nplanes)
    run.parameters().setValues('AppliedProcessor', std.vector('string')(1, ''))
    run.parameters().setValue('DAQHWName', 'EUDRB')
    run.parameters().setValue('DAQSWName', 'EUDAQ')
    run.parameters().setValue('DataType', 'Data')
    run.parameters().setValue('DateTime', '24.12.2000  23:59:59.000000000')
    run.parameters().setValue('EUDRBDet', 'MIMOSA26')
    run.parameters().setValue('EUDRBMode', 'ZS2')
    writer.writeRunHeader(run)

    aDataSet = JudithData(inputFileName, nplanes)

    MAXEVENTS = aDataSet.GetNEvents()
    #MAXEVENTS = 500

    NEVENTS = 0

    # event loop

    for eventnr in range(MAXEVENTS):

        if (eventnr % 1000 == 0):
            print 'Events processed: %i ...' % eventnr

        # create an event and set its parameters
        event = IMPL.LCEventImpl()
        event.setEventNumber(eventnr)
        event.setDetectorName(detectorName)
        event.setRunNumber(runNumber)
        event.setTimeStamp(int(time() * 1000000000.))
        event.parameters().setValue('EventType', 2)

        # parse input file
        telescopeData = aDataSet.GetEvent(eventnr)
        #aDataSet.PrintEvent(eventnr)

        # if first event, create additional setup collection(s)
        if eventnr == 0:

            eudrbSetup = IMPL.LCCollectionVec(EVENT.LCIO.LCGENERICOBJECT)

            # collection parameters
            eudrbSetup.parameters().setValue(
                'DataDescription', 'type:i,mode:i,spare1:i,spare2:i,spare3:i')
            eudrbSetup.parameters().setValue('TypeName', 'Setup Description')

            # create on setup object per Telescope plane
            for sensorID in range(nplanes):

                setupObj = IMPL.LCGenericObjectImpl(5, 0, 0)
                setupObj.setIntVal(0, 102)
                setupObj.setIntVal(1, 101)
                eudrbSetup.addElement(setupObj)

            event.addCollection(eudrbSetup, 'eudrbSetup')

        # ID encoder info
        encodingString = 'sensorID:5,sparsePixelType:5'

        # Telescope data collection
        trackerDataColl = IMPL.LCCollectionVec(EVENT.LCIO.TRACKERDATA)
        idEncoder_Telescope = UTIL.CellIDEncoder(IMPL.TrackerDataImpl)(
            encodingString, trackerDataColl)

        # fill telescope collection
        for sensorID in range(nplanes):

            planeData = IMPL.TrackerDataImpl()

            idEncoder_Telescope.reset()
            idEncoder_Telescope['sensorID'] = int(
                sensorID)  # cannot fit 300 in 5 bits!! FIXME
            plane_tmp = int(sensorID)

            idEncoder_Telescope['sparsePixelType'] = 2
            idEncoder_Telescope.setCellID(planeData)

            # loop over hits
            chargeVec = std.vector(float)()
            for hit in telescopeData[sensorID]:
                for j, val in enumerate(hit):
                    chargeVec.push_back(val)

            planeData.setChargeValues(chargeVec)

            trackerDataColl.addElement(planeData)

        event.addCollection(trackerDataColl, 'zsdata_FEI4')

        writer.writeEvent(event)

    writer.flush()
    writer.close()
def convertRun( inputTarFile, outputFileName ):
    
    # read file names from given path
    #fileNames = sorted( glob.glob( inputPath+'/mpx*.txt' ) )
    #nEvents = len( fileNames )

    inputFiles = []
    tar = tarfile.open( inputTarFile, 'r:gz' )
    for member in tar.getmembers():
        if not member.isfile():
            continue
        inputFiles.append( tar.extractfile(member) )
    
    # get run number from first file (same for the rest) assuming filename is this form: mpx-YYMMDD-HHmmSS-RUN_FRAME.txt
    runNumber = int( inputFiles[0].name.split('-')[-1].split('_')[0] )
    runNumber = int( inputTarFile.split('n')[-1].split('.')[0] )

    # define detector name
    detectorName = 'EUTelescope'

    # create a writer and open the output file
    writer = IOIMPL.LCFactory.getInstance().createLCWriter()
    writer.open( outputFileName, EVENT.LCIO.WRITE_NEW )

    print "Runnumber: " + str(runNumber)
    # create a run header and add it to the file
    run = IMPL.LCRunHeaderImpl()
    run.setRunNumber( runNumber )
    run.setDetectorName( detectorName )
    run.parameters().setValue  ( 'GeoID'            , 0 )
    run.parameters().setValues ( 'MaxX'             , std.vector(int)(6,1151) ) 
    run.parameters().setValues ( 'MaxY'             , std.vector(int)(6,575) )
    run.parameters().setValues ( 'MinX'             , std.vector(int)(6,0) ) 
    run.parameters().setValues ( 'MinY'             , std.vector(int)(6,0) )
    run.parameters().setValue  ( 'NoOfDetector'     , 6 )
    run.parameters().setValues ( 'AppliedProcessor' , std.vector('string')(1,'') )
    run.parameters().setValue  ( 'DAQHWName'        , 'EUDRB' )
    run.parameters().setValue  ( 'DAQSWName'        , 'EUDAQ' )
    run.parameters().setValue  ( 'DataType'         , 'SimData' )
    run.parameters().setValue  ( 'DateTime'         , '24.12.2000  23:59:59.000000000' )
    run.parameters().setValue  ( 'EUDRBDet'         , 'MIMOSA26' )
    run.parameters().setValue  ( 'EUDRBMode'        , 'ZS2' )
    writer.writeRunHeader( run )
  
    MAXEVENTS = 1000000
    NEVENTS   = 0

    # event loop
    for eventFile in inputFiles:

        if NEVENTS == MAXEVENTS: break
        NEVENTS += 1

        # get event number from file name ( i.e. frame ID ) assuming file name format above
        iEvent = int( eventFile.name.split('_')[-1].split('.')[0] )
        if ( NEVENTS%1000 == 0 ):
            print 'Events processed: %i ...' % NEVENTS

        # create an event and set its parameters
        event = IMPL.LCEventImpl()
        event.setEventNumber( iEvent )
        event.setDetectorName( detectorName )
        event.setRunNumber( runNumber )
        event.setTimeStamp( int( time() * 1000000000. ) )
        event.parameters().setValue( 'EventType', 2 )

        # parse input file
        telescopeData, DUTData = parseFrameFile( eventFile )

        # is there DUT data?
        containsDUT = False
        if len( DUTData ) > 0: 
            containsDUT = True 

        # if first event, create additional setup collection(s)
        if iEvent == 0:
            
            eudrbSetup = IMPL.LCCollectionVec( EVENT.LCIO.LCGENERICOBJECT )
            
            # collection parameters
            eudrbSetup.parameters().setValue( 'DataDescription', 'type:i,mode:i,spare1:i,spare2:i,spare3:i' )
            eudrbSetup.parameters().setValue( 'TypeName', 'Setup Description' )
            
            # create on setup object per Telescope plane
            for sensorID in sorted( telescopeData.iterkeys() ):
                                    
                setupObj = IMPL.LCGenericObjectImpl(5,0,0)
                setupObj.setIntVal( 0, 102 )
                setupObj.setIntVal( 1, 101 )     
                eudrbSetup.addElement( setupObj )

            event.addCollection ( eudrbSetup, 'eudrbSetup' )

            # check if there is a DUT
            if containsDUT:

                DUTSetup = IMPL.LCCollectionVec( EVENT.LCIO.LCGENERICOBJECT )
                event.addCollection ( DUTSetup, 'DUTSetup' )

        # ID encoder info
        encodingString = 'sensorID:7,sparsePixelType:5'

        # Telescope data collection
        trackerDataColl = IMPL.LCCollectionVec( EVENT.LCIO.TRACKERDATA )
        idEncoder_Telescope = UTIL.CellIDEncoder( IMPL.TrackerDataImpl )( encodingString, trackerDataColl )

        # check if there is a DUT
        if containsDUT:

            # DUT data collection
            DUTDataColl = IMPL.LCCollectionVec( EVENT.LCIO.TRACKERDATA )
            idEncoder_DUT = UTIL.CellIDEncoder( IMPL.TrackerDataImpl )( encodingString, DUTDataColl )

            REFDataColl = IMPL.LCCollectionVec( EVENT.LCIO.TRACKERDATA )
            idEncoder_REF = UTIL.CellIDEncoder( IMPL.TrackerDataImpl )( encodingString, REFDataColl )
            
            
            for i,sensorID in enumerate( sorted( DUTData.iterkeys() ) ):
            
                planeData = IMPL.TrackerDataImpl()
            
                idEncoder_DUT.reset()
                #idEncoder_DUT['sensorID'] = int( sensorID ) - 500 + 6 # cannot fit 500 in 5 bits!! FIXME
                idEncoder_DUT['sensorID'] = i+6 # cannot fit 500 in 5 bits!! FIXME
                idEncoder_DUT['sparsePixelType'] = 2
                idEncoder_DUT.setCellID( planeData )
            
                chargeVec = std.vector(float)()
                for val in DUTData[sensorID]:
                    chargeVec.push_back( val )
                    if val < 0:
                        print 'Negative number in Event %i' % iEvent

                planeData.setChargeValues( chargeVec )



                if int(sensorID) == 900 :
                    DUTDataColl.addElement( planeData )
                    event.addCollection( DUTDataColl, 'CMSPixelDUT' )
                elif int(sensorID) == 901 :
                    REFDataColl.addElement( planeData )
                    event.addCollection( REFDataColl, 'CMSPixelREF' )
                else:
                    print "Shit. Who am I? sensorID: " + str(int(sensorID))


        # fill telescope collection
        for sensorID in sorted( telescopeData.iterkeys() ):
            
            planeData = IMPL.TrackerDataImpl()

            idEncoder_Telescope.reset()
            idEncoder_Telescope['sensorID'] = int( sensorID ) - 300 # cannot fit 300 in 5 bits!! FIXME
            idEncoder_Telescope['sparsePixelType'] = 2
            idEncoder_Telescope.setCellID( planeData )
            
            # loop over hits
            chargeVec = std.vector(float)()
            for val in telescopeData[sensorID]:
                chargeVec.push_back( val )

            planeData.setChargeValues( chargeVec )

            trackerDataColl.addElement( planeData )

        event.addCollection( trackerDataColl, 'zsdata_m26' )

        writer.writeEvent( event )
    
    writer.flush()
    writer.close()
Example #17
0
def convert_to_calorimeterevent(inputFileName, outputFileName, Row2X_lut_left,
                                Row2X_lut_right, Column2Y_lut_left,
                                Column2Y_lut_right, Z_lut, lane_lut, IsLeft):
    #check flag setting, as position won't be written if LCIO::CHBIT_LONG not set...
    flag = IMPL.LCFlagImpl()
    flag.setBit(EVENT.LCIO.CHBIT_LONG)

    #Create a reader to parse the input file
    reader = LcioReader(inputFileName)

    #create a writer to write to the output file
    writer = IOIMPL.LCFactory.getInstance().createLCWriter()
    writer.open(outputFileName, EVENT.LCIO.WRITE_NEW)

    #create indexes for progress tracking...
    index = 0.
    q = int(0)

    for oldEvent in reader:
        #if index>=10:
        #    break

        index += 1.

        #create a new event and copy its parameters
        newEvent = IMPL.LCEventImpl()
        newEvent.setEventNumber(oldEvent.getEventNumber())
        newEvent.setRunNumber(oldEvent.getRunNumber())

        #Create a new collection to add to the new events, now made from CalorimeterHits.
        CaloHits = IMPL.LCCollectionVec(EVENT.LCIO.CALORIMETERHIT)

        #add flag to CaloHits so we can store positions...
        CaloHits.setFlag(flag.getFlag())

        #Create both an encoder for the new events, and a decoder for the old ones...
        encodingString = str("lane:7,row:11,column:11")
        idEncoder = UTIL.CellIDEncoder(IMPL.CalorimeterHitImpl)(encodingString,
                                                                CaloHits)
        idDecoder = UTIL.CellIDDecoder(
            IMPL.RawCalorimeterHitImpl)(encodingString)

        #get the raw calorimeter hits...
        RawCaloHits = oldEvent.getCollection('RawCalorimeterHits')

        #Loop over the RawCalorimeterHits
        for oldHit in RawCaloHits:
            #get the row, column and lane from the raw calorimter hits
            lane = idDecoder(oldHit)["lane"].value()
            row = idDecoder(oldHit)["row"].value()
            column = idDecoder(oldHit)["column"].value()

            #get the chipID from the lane...
            chipID = inverse_lane_lut[lane]

            #get x, y and z.
            if (IsLeft[chipID]):
                x = Row2X_lut_left[row]
                y = Column2Y_lut_left[column]

            else:
                x = Row2X_lut_right[row]
                y = Column2Y_lut_right[column]

            z = Z_lut[chipID]

            #Make new calorimeter hit:
            newHit = IMPL.CalorimeterHitImpl()

            #add the lane, column, row to the new collection...
            idEncoder.reset()
            idEncoder['lane'] = lane
            idEncoder['row'] = row
            idEncoder['column'] = column
            idEncoder.setCellID(newHit)

            #add x, y, z to the new collection...
            Position = TVector3(x, y, z)
            newHit.setPositionVec(Position)

            #add hits to collection
            CaloHits.addElement(newHit)

            #end of hit loop

        #add collection to event
        newEvent.addCollection(CaloHits, 'ECalBarrelCollection')

        #write the event to the output file
        writer.writeEvent(newEvent)

        #print percentage of progress (but not too often!)
        p = int((float(index) / float(reader.getNumberOfEvents())) * 100)
        progress = str(p) + '%'
        if (p != q):
            print "Progress:", progress
            q = int(p)

        #end of event loop

    #close the writer
    writer.flush()
    writer.close()
def getinfo(inputfilename, outputfilename):
    #Set up the LCIO output file
    writer = IOIMPL.LCFactory.getInstance().createLCWriter()
    writer.open(outputfilename, EVENT.LCIO.WRITE_NEW)

    #Get the file and the tree in the file:
    file = TFile(inputfilename, "read")
    tree = file.Get("Frames")

    #iterator for progress bar...
    q = int(0)

    #loop over all entries in the tree...
    for i in range(0, tree.GetEntries()):
        tree.GetEntry(i)
        Lane = tree.lane  #vector
        Row = tree.row  #vector
        Column = tree.column  #vector
        Event = tree.eventNumber
        File = tree.fileNumber
        Run = tree.runNumber

        # ++ Lane, Row and Column should be the same length. Let's just check that they are:
        if (len(Lane) != len(Row)) or (len(Lane) != len(Column)):
            print "ERROR +++++++++++++++++++++++++++++++++++++          Row vector length", len(
                Row), ", Column vector length", len(
                    Column), "and Lane vector length", len(
                        Lane), "aren't equal!"

        # ++ create an event
        LCEvent = IMPL.LCEventImpl()
        LCEvent.setEventNumber(Event)
        LCEvent.setRunNumber(Run)

        # ++ create a raw calorimeter hit collection
        RawCaloHits = IMPL.LCCollectionVec(EVENT.LCIO.RAWCALORIMETERHIT)

        # ++ create an IDEncoder to store hit IDs
        # ++ defines the tags and the number of bits for the different bit fields
        encodingString = str("lane:7,row:11,column:11")
        idEncoder = UTIL.CellIDEncoder(IMPL.RawCalorimeterHitImpl)(
            encodingString, RawCaloHits)

        for j in range(0, len(Lane)):
            # ++ build the raw calorimeter hit
            Hit = IMPL.RawCalorimeterHitImpl()

            # ++ set the cell ID
            idEncoder.reset()
            idEncoder['lane'] = Lane[j]
            idEncoder['row'] = Row[j]
            idEncoder['column'] = Column[j]
            idEncoder.setCellID(Hit)

            # ++ add the hit to the collection
            RawCaloHits.addElement(Hit)

            # ++ end of hit loop

        # ++ add the collection to the event
        LCEvent.addCollection(RawCaloHits, 'RawCalorimeterHits')

        # ++ write the event to the output file
        writer.writeEvent(LCEvent)

        # ++ print percentage of progress (but not too often!)
        p = int((float(i) / float(tree.GetEntries())) * 100)
        progress = str(p) + '%'
        if (p != q):
            print "Progress:", progress
            q = int(p)

        # ++ end of event loop

    # ++ close the writer
    writer.flush()
    writer.close()