+++ /dev/null
-/**************************************************************************
- * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- * *
- * Author: The ALICE Off-line Project. *
- * Contributors are mentioned in the code where appropriate. *
- * *
- * Permission to use, copy, modify and distribute this software and its *
- * documentation strictly for non-commercial purposes is hereby granted *
- * without fee, provided that the above copyright notice appears in all *
- * copies and that both the copyright notice and this permission notice *
- * appear in the supporting documentation. The authors make no claims *
- * about the suitability of this software for any purpose. It is *
- * provided "as is" without express or implied warranty. *
-***************************************************************************/
-
-///////////////////////////////////////////////////////////////
-// //
-// This class provides TOF pass0/passX calibration tools //
-// //
-///////////////////////////////////////////////////////////////
-
-#include "AliTOFAnalysisTaskCalibPass0.h"
-#include "AliESDtrack.h"
-#include "AliESDEvent.h"
-#include "AliPhysicsSelection.h"
-#include "AliESDtrackCuts.h"
-#include "AliCDBManager.h"
-#include "AliGRPManager.h"
-#include "AliGRPObject.h"
-#include "AliTOFcalib.h"
-#include "TList.h"
-#include "TH2F.h"
-#include "TFile.h"
-#include "TH1D.h"
-#include "TObjArray.h"
-#include "TString.h"
-#include "TObjString.h"
-#include "TROOT.h"
-#include "TF1.h"
-#include "TTime.h"
-#include "TGrid.h"
-#include "TTimeStamp.h"
-#include "AliTOFRunParams.h"
-#include "AliCDBStorage.h"
-#include "AliCDBId.h"
-#include "AliCDBMetaData.h"
-#include "TSystem.h"
-#include "AliLog.h"
-
-ClassImp(AliTOFAnalysisTaskCalibPass0)
-
-//_______________________________________________________
-
-const Char_t *AliTOFAnalysisTaskCalibPass0::fgkStatusCodeName[AliTOFAnalysisTaskCalibPass0::kNStatusCodes] = {
- "ok",
- "input error",
- "data error",
- "not active",
- "low statistics",
- "no measurement",
- "store error"
-};
-
-const Int_t AliTOFAnalysisTaskCalibPass0::fgkMaxNumberOfPoints = 10000; // max number of points
-Double_t AliTOFAnalysisTaskCalibPass0::fgMinVertexIntegral = 100.;
-Double_t AliTOFAnalysisTaskCalibPass0::fgMinDeltatIntegral = 2000.;
-Double_t AliTOFAnalysisTaskCalibPass0::fgMinVertexIntegralSample = 1000.;
-Double_t AliTOFAnalysisTaskCalibPass0::fgMinDeltatIntegralSample = 20000.;
-
-//_______________________________________________________
-
-AliTOFAnalysisTaskCalibPass0::AliTOFAnalysisTaskCalibPass0() :
- AliAnalysisTaskSE("TOFCalib-Pass0"),
- fStatus(kOk),
- fInitFlag(kFALSE),
- fEventSelectionFlag(kFALSE),
- fVertexSelectionFlag(kFALSE),
- fVertexCut(10.),
- fRunNumber(0),
- fESDEvent(NULL),
- fEventCuts(new AliPhysicsSelection()),
- fTrackCuts(new AliESDtrackCuts()),
- fStartTime(0),
- fEndTime(0),
- fEventTime(0),
- fElapsedTime(0),
- fkVertex(NULL),
- fGRPManager(new AliGRPManager()),
- fkGRPObject(NULL),
- fTOFcalib(new AliTOFcalib()),
- fHistoList(new TList()),
- fHistoVertexTimestamp(NULL),
- fHistoDeltatTimestamp(NULL),
- fHistoDeltazEta(NULL),
- fHistoDeltatEta(NULL),
- fHistoDeltazCosTheta(NULL),
- fHistoAcceptedTracksEtaPt(NULL),
- fHistoMatchedTracksEtaPt(NULL)
-{
- /*
- * default constructor
- */
-
- /* define output */
- fHistoList->SetOwner(kTRUE);
- DefineOutput(1, TList::Class());
-}
-
-//_______________________________________________________
-
-AliTOFAnalysisTaskCalibPass0::~AliTOFAnalysisTaskCalibPass0()
-{
- /*
- * default destructor
- */
-
- if (fHistoList) delete fHistoList;
-}
-
-//_______________________________________________________
-
-Bool_t
-AliTOFAnalysisTaskCalibPass0::InitRun()
-{
- /*
- * init run
- */
-
- /* get ESD event */
- fESDEvent = dynamic_cast<AliESDEvent *>(InputEvent());
- if (!fESDEvent) {
- AliError("cannot get ESD event");
- return kFALSE;
- }
- /* get run number */
- Int_t runNb = fESDEvent->GetRunNumber();
- /* check run already initialized */
- if (fInitFlag && fRunNumber == runNb) return kTRUE;
- if (fInitFlag && fRunNumber != runNb) {
- AliFatal(Form("run number has changed within same job and this is not allowed: %d -> %d", fRunNumber, runNb));
- return kTRUE;
- }
- fInitFlag = kFALSE;
- /* init cdb if not yet done */
- AliCDBManager *cdb = AliCDBManager::Instance();
- if (!cdb->IsDefaultStorageSet())
- cdb->SetDefaultStorage("raw://");
- if (cdb->GetRun() < 0)
- cdb->SetRun(runNb);
- /* init TOF calib */
- if (!fTOFcalib->Init()) {
- AliError("cannot init TOF calib");
- return kFALSE;
- }
- /* get GRP data */
- if (!fGRPManager->ReadGRPEntry()) {
- AliError("error while reading \"GRPEntry\" from OCDB");
- return kFALSE;
- }
- fkGRPObject = fGRPManager->GetGRPData();
- if (!fkGRPObject) {
- AliError("cannot get \"GRPData\" from GRP manager");
- return kFALSE;
- }
- fStartTime = fkGRPObject->GetTimeStart();
- fEndTime = fkGRPObject->GetTimeEnd();
- AliInfo(Form("got \"GRPData\": startTime=%d, endTime=%d", fStartTime, fEndTime));
-
- AliInfo(Form("initialized for run %d", runNb));
- fInitFlag = kTRUE;
- fRunNumber = runNb;
-
- Int_t useBPTX = fTOFcalib->GetUseLHCClockPhase() ? 1 : 0;
-
- /* set histo title with run-number and start-time */
- fHistoVertexTimestamp->SetTitle(Form("run: %d, startTimestamp: %u, BPTX: %d", fRunNumber, fStartTime, useBPTX));
- fHistoDeltatTimestamp->SetTitle(Form("run: %d, startTimestamp: %u, BPTX: %d", fRunNumber, fStartTime, useBPTX));
- fHistoDeltazEta->SetTitle(Form("run: %d, startTimestamp: %u, BPTX: %d", fRunNumber, fStartTime, useBPTX));
- fHistoDeltatEta->SetTitle(Form("run: %d, startTimestamp: %u, BPTX: %d", fRunNumber, fStartTime, useBPTX));
- fHistoDeltazCosTheta->SetTitle(Form("run: %d, startTimestamp: %u, BPTX: %d", fRunNumber, fStartTime, useBPTX));
- fHistoAcceptedTracksEtaPt->SetTitle(Form("run: %d, startTimestamp: %u, BPTX: %d", fRunNumber, fStartTime, useBPTX));
- fHistoMatchedTracksEtaPt->SetTitle(Form("run: %d, startTimestamp: %u, BPTX: %d", fRunNumber, fStartTime, useBPTX));
-
- return kTRUE;
-}
-
-//_______________________________________________________
-
-Bool_t
-AliTOFAnalysisTaskCalibPass0::InitEvent()
-{
- /*
- * init event
- */
-
- /* get ESD event */
- fESDEvent = dynamic_cast<AliESDEvent *>(InputEvent());
- if (!fESDEvent) return kFALSE;
- /* set event time and elapsed time */
- fEventTime = fESDEvent->GetTimeStamp();
- fElapsedTime = fESDEvent->GetTimeStamp() - fStartTime;
- /* event selection */
- if (fEventSelectionFlag && !fEventCuts->IsCollisionCandidate(fESDEvent)) return kFALSE;
- /* vertex selection */
- fkVertex = fESDEvent->GetPrimaryVertexTracks();
- if (fVertexSelectionFlag && fkVertex->GetNContributors() < 1) {
- fkVertex = fESDEvent->GetPrimaryVertexSPD();
- if (fkVertex->GetNContributors() < 1) return kFALSE;
- }
- if (fVertexSelectionFlag && TMath::Abs(fkVertex->GetZ()) > fVertexCut) return kFALSE;
- /* calibrate ESD if requested */
- fTOFcalib->CalibrateESD(fESDEvent);
-
- return kTRUE;
-}
-
-//_______________________________________________________
-
-Bool_t
-AliTOFAnalysisTaskCalibPass0::HasTOFMeasurement(const AliESDtrack *track) const
-{
- /*
- * has TOF measurement
- */
-
- /* check TOF status flags */
- if (!(track->GetStatus() & AliESDtrack::kTOFout) ||
- !(track->GetStatus() & AliESDtrack::kTIME)) return kFALSE;
- /* check integrated length */
- if (track->GetIntegratedLength() < 350.) return kFALSE;
-
- /* TOF measurement ok */
- return kTRUE;
-}
-
-//_______________________________________________________
-
-void
-AliTOFAnalysisTaskCalibPass0::UserCreateOutputObjects()
-{
- /*
- * user create output objects
- */
-
- /* time binning */
- Int_t timeBins = 288;
- Float_t timeMin = 0.;
- Float_t timeMax = 24. * 3600.;
- /* vertex binning */
- Int_t vertexBins = 200;
- Float_t vertexMin = -50.;
- Float_t vertexMax = 50.;
- /* deltat binning */
- Int_t deltatBins = 2000;
- Float_t deltatMin = -24400.;
- Float_t deltatMax = 24400.;
- /* deltaz binning */
- Int_t deltazBins = 200;
- Float_t deltazMin = -10.;
- Float_t deltazMax = 10.;
- /* eta binning */
- Int_t etaBins = 200;
- Float_t etaMin = -1.;
- Float_t etaMax = 1.;
- /* p binning */
- Int_t pBins = 500;
- Float_t pMin = 0.;
- Float_t pMax = 5.;
-
- fHistoVertexTimestamp = new TH2F("hHistoVertexTimestamp", "Vertex position;elapsed time (s);z (cm);", timeBins, timeMin, timeMax, vertexBins, vertexMin, vertexMax);
- fHistoList->Add(fHistoVertexTimestamp);
-
- fHistoDeltatTimestamp = new TH2F("hHistoDeltatTimestamp", "Global time shift (T0-fill);elapsed time (s);t - t_{exp}^{(#pi)} (ps);", timeBins, timeMin, timeMax, deltatBins, deltatMin, deltatMax);
- fHistoList->Add(fHistoDeltatTimestamp);
-
- fHistoDeltazEta = new TH2F("hHistoDeltazEta", "Matching residuals (longitudinal);#eta;#Deltaz (cm);", etaBins, etaMin, etaMax, deltazBins, deltazMin, deltazMax);
- fHistoList->Add(fHistoDeltazEta);
-
- fHistoDeltatEta = new TH2F("hHistoDeltatEta", "Global time shift (T0-fill) vs #eta; #eta; t - t_{exp}^{(#pi)} (ps);", etaBins, etaMin, etaMax, deltatBins, deltatMin, deltatMax);
- fHistoList->Add(fHistoDeltatEta);
-
- fHistoDeltazCosTheta = new TH2F("hHistoDeltazCosTheta", "Matching residuals (longitudinal);cos #theta;#Deltaz (cm);", etaBins, etaMin, etaMax, deltazBins, deltazMin, deltazMax);
- fHistoList->Add(fHistoDeltazCosTheta);
-
- fHistoAcceptedTracksEtaPt = new TH2F("hHistoAcceptedTracksEtaPt", "Accepted tracks;#eta;#p_{T} (GeV/c);", etaBins, etaMin, etaMax, pBins, pMin, pMax);
- fHistoList->Add(fHistoAcceptedTracksEtaPt);
-
- fHistoMatchedTracksEtaPt = new TH2F("hHistoMatchedTracksEtaPt", "Matched tracks;#eta;p_{T} (GeV/c);", etaBins, etaMin, etaMax, pBins, pMin, pMax);
- fHistoList->Add(fHistoMatchedTracksEtaPt);
-
- /* post data */
- PostData(1, fHistoList);
-}
-
-//_______________________________________________________
-
-void
-AliTOFAnalysisTaskCalibPass0::UserExec(Option_t *)
-{
- /*
- * user exec
- */
-
- /* init run */
- if (!InitRun()) return;
- /* init event */
- if (!InitEvent()) return;
-
- /*** ACCEPTED EVENT ***/
-
- /* fill vertex histo */
- fHistoVertexTimestamp->Fill(fElapsedTime, fkVertex->GetZ());
-
- /* loop over ESD tracks */
- Int_t nTracks = fESDEvent->GetNumberOfTracks();
- AliESDtrack *track;
- Double_t eta, costheta, pt, time, timei[AliPID::kSPECIESC], deltat, deltaz;
- for (Int_t itrk = 0; itrk < nTracks; itrk++) {
- /* get track */
- track = fESDEvent->GetTrack(itrk);
- if (!track) continue;
- /* check accept track */
- if (!fTrackCuts->AcceptTrack(track)) continue;
- /* get track info */
- eta = track->Eta();
- costheta = TMath::Cos(track->Theta());
- pt = track->Pt();
- /* fill accepted tracks histo */
- fHistoAcceptedTracksEtaPt->Fill(eta, pt);
- /* check TOF measurement */
- if (!HasTOFMeasurement(track)) continue;
-
- /*** ACCEPTED TRACK WITH TOF MEASUREMENT ***/
-
- /* fill matched tracks histo */
- fHistoMatchedTracksEtaPt->Fill(eta, pt);
- /* get TOF info */
- time = track->GetTOFsignal();
- track->GetIntegratedTimes(timei);
- deltat = time - timei[AliPID::kPion];
- deltaz = track->GetTOFsignalDz();
-
- /* fill histos */
- fHistoDeltatTimestamp->Fill(fElapsedTime, deltat);
- fHistoDeltazEta->Fill(eta, deltaz);
- fHistoDeltatEta->Fill(eta, deltat);
- fHistoDeltazCosTheta->Fill(costheta, deltaz);
-
- } /* end of loop over ESD tracks */
-
- /* post data */
- PostData(1, fHistoList);
-
-}
-
-//_______________________________________________________
-
-Int_t
-AliTOFAnalysisTaskCalibPass0::GetStatus()
-{
- /*
- * get status
- */
-
- switch (fStatus) {
-
- /* OK, return zero */
- case kOk:
- return 0;
- break;
-
- /* non-fatal error, return negative status */
- case kNotActive:
- case kLowStatistics:
- case kNoMeasurement:
- return -fStatus;
- break;
-
- /* fatal error, return positive status */
- case kInputError:
- case kDataError:
- case kStoreError:
- return fStatus;
- break;
-
- /* anything else, return negative large number */
- default:
- return -999;
- break;
- }
-
- /* should never arrive here, anyway return negative large number */
- return -999;
-}
-
-//_______________________________________________________
-
-void
-AliTOFAnalysisTaskCalibPass0::PrintStatus()
-{
- /*
- * print status
- */
-
- Int_t status = GetStatus();
- if (status == 0) {
- AliInfo(Form("TOF calibration successful: %s (status=%d)", fgkStatusCodeName[fStatus], status));
- }
- else if (status > 0) {
- AliInfo(Form("TOF calibration failed: %s (status=%d)", fgkStatusCodeName[fStatus], status));
- }
- else if (status < 0) {
- AliInfo(Form("TOF calibration failed (expected): %s (status=%d)", fgkStatusCodeName[fStatus], status));
- }
-
-}
-
-//_______________________________________________________
-
-Bool_t
-AliTOFAnalysisTaskCalibPass0::ProcessOutput(const Char_t *filename, AliCDBStorage* db)
-{
- /*
- * process output
- */
-
- Int_t ret = DoProcessOutput(filename, db);
- PrintStatus();
- return ret;
-}
-
-//_______________________________________________________
-
-Bool_t
-AliTOFAnalysisTaskCalibPass0::DoProcessOutput(const Char_t *filename, AliCDBStorage *db)
-{
- /*
- * do process output
- */
-
- /* reset status to OK */
- fStatus = kOk;
-
- /* open file */
- TFile *file = TFile::Open(filename);
- if (!file || !file->IsOpen()) {
- AliError(Form("cannot open output file %s", filename));
- fStatus = kInputError;
- return kFALSE;
- }
- /* get histograms */
- TList *list = (TList *)file->Get("TOFHistos");
- TH2F *histoVertexTimestamp = NULL;
- TH2F *histoDeltatTimestamp = NULL;
- TH2F *histoDeltazEta = NULL;
- TH2F *histoDeltatEta = NULL;
- TH2F *histoDeltazCosTheta = NULL;
- TH2F *histoAcceptedTracksEtaPt = NULL;
- TH2F *histoMatchedTracksEtaPt = NULL;
- if (list) {
- AliInfo(Form("getting histograms from \"Histos\" list from file %s", filename));
- histoVertexTimestamp = (TH2F *)list->FindObject("hHistoVertexTimestamp");
- histoDeltatTimestamp = (TH2F *)list->FindObject("hHistoDeltatTimestamp");
- histoDeltazEta = (TH2F *)list->FindObject("hHistoDeltazEta");
- histoDeltatEta = (TH2F *)list->FindObject("hHistoDeltatEta");
- histoDeltazCosTheta = (TH2F *)list->FindObject("hHistoDeltazCosTheta");
- histoAcceptedTracksEtaPt = (TH2F *)list->FindObject("hHistoAcceptedTracksEtaPt");
- histoMatchedTracksEtaPt = (TH2F *)list->FindObject("hHistoMatchedTracksEtaPt");
- }
- else {
- AliInfo(Form("getting histograms directly from file %s", filename));
- histoVertexTimestamp = (TH2F *)file->Get("hHistoVertexTimestamp");
- histoDeltatTimestamp = (TH2F *)file->Get("hHistoDeltatTimestamp");
- histoDeltazEta = (TH2F *)file->Get("hHistoDeltazEta");
- histoDeltatEta = (TH2F *)file->Get("hHistoDeltatEta");
- histoDeltazCosTheta = (TH2F *)file->Get("hHistoDeltazCosTheta");
- histoAcceptedTracksEtaPt = (TH2F *)file->Get("hHistoAcceptedTracksEtaPt");
- histoMatchedTracksEtaPt = (TH2F *)file->Get("hHistoMatchedTracksEtaPt");
- }
- /* check histos */
- if (!histoVertexTimestamp) {
- AliError(Form("cannot get \"hHistoVertexTimestamp\" object from file %s", filename));
- fStatus = kInputError;
- if (list)
- delete list;
- else {
- if (histoVertexTimestamp) delete histoVertexTimestamp;
- if (histoDeltatTimestamp )delete histoDeltatTimestamp;
- if (histoDeltazEta) delete histoDeltazEta;
- if (histoDeltatEta) delete histoDeltatEta;
- if (histoDeltazCosTheta) delete histoDeltazCosTheta;
- if (histoAcceptedTracksEtaPt) delete histoAcceptedTracksEtaPt;
- if (histoMatchedTracksEtaPt) delete histoMatchedTracksEtaPt;
- }
- return kFALSE;
- }
- if (!histoDeltatTimestamp) {
- AliError(Form("cannot get \"hHistoDeltatTimestamp\" object from file %s", filename));
- fStatus = kInputError;
- if (list)
- delete list;
- else{
- if (histoVertexTimestamp) delete histoVertexTimestamp;
- if (histoDeltatTimestamp )delete histoDeltatTimestamp;
- if (histoDeltazEta) delete histoDeltazEta;
- if (histoDeltatEta) delete histoDeltatEta;
- if (histoDeltazCosTheta) delete histoDeltazCosTheta;
- if (histoAcceptedTracksEtaPt) delete histoAcceptedTracksEtaPt;
- if (histoMatchedTracksEtaPt) delete histoMatchedTracksEtaPt;
- }
- return kFALSE;
- }
- if (!histoDeltazEta) {
- AliError(Form("cannot get \"hHistoDeltazEta\" object from file %s", filename));
- fStatus = kInputError;
- if (list)
- delete list;
- else{
- if (histoVertexTimestamp) delete histoVertexTimestamp;
- if (histoDeltatTimestamp )delete histoDeltatTimestamp;
- if (histoDeltazEta) delete histoDeltazEta;
- if (histoDeltatEta) delete histoDeltatEta;
- if (histoDeltazCosTheta) delete histoDeltazCosTheta;
- if (histoAcceptedTracksEtaPt) delete histoAcceptedTracksEtaPt;
- if (histoMatchedTracksEtaPt) delete histoMatchedTracksEtaPt;
- }
- return kFALSE;
- }
- if (!histoDeltatEta) {
- AliError(Form("cannot get \"hHistoDeltatEta\" object from file %s", filename));
- fStatus = kInputError;
- if (list)
- delete list;
- else{
- if (histoVertexTimestamp) delete histoVertexTimestamp;
- if (histoDeltatTimestamp )delete histoDeltatTimestamp;
- if (histoDeltazEta) delete histoDeltazEta;
- if (histoDeltatEta) delete histoDeltatEta;
- if (histoDeltazCosTheta) delete histoDeltazCosTheta;
- if (histoAcceptedTracksEtaPt) delete histoAcceptedTracksEtaPt;
- if (histoMatchedTracksEtaPt) delete histoMatchedTracksEtaPt;
- }
- return kFALSE;
- }
- if (!histoDeltazCosTheta) {
- AliError(Form("cannot get \"hHistoDeltazCosTheta\" object from file %s", filename));
- fStatus = kInputError;
- if (list)
- delete list;
- else{
- if (histoVertexTimestamp) delete histoVertexTimestamp;
- if (histoDeltatTimestamp )delete histoDeltatTimestamp;
- if (histoDeltazEta) delete histoDeltazEta;
- if (histoDeltatEta) delete histoDeltatEta;
- if (histoDeltazCosTheta) delete histoDeltazCosTheta;
- if (histoAcceptedTracksEtaPt) delete histoAcceptedTracksEtaPt;
- if (histoMatchedTracksEtaPt) delete histoMatchedTracksEtaPt;
- }
- return kFALSE;
- }
- if (!histoAcceptedTracksEtaPt) {
- AliError(Form("cannot get \"hHistoAccptedTracksEtaPt\" object from file %s", filename));
- fStatus = kInputError;
- if (list)
- delete list;
- else{
- if (histoVertexTimestamp) delete histoVertexTimestamp;
- if (histoDeltatTimestamp )delete histoDeltatTimestamp;
- if (histoDeltazEta) delete histoDeltazEta;
- if (histoDeltatEta) delete histoDeltatEta;
- if (histoDeltazCosTheta) delete histoDeltazCosTheta;
- if (histoAcceptedTracksEtaPt) delete histoAcceptedTracksEtaPt;
- if (histoMatchedTracksEtaPt) delete histoMatchedTracksEtaPt;
- }
- return kFALSE;
- }
- if (!histoMatchedTracksEtaPt) {
- AliError(Form("cannot get \"hHistoMatchedTracksEtaPt\" object from file %s", filename));
- fStatus = kInputError;
- if (list)
- delete list;
- else{
- if (histoVertexTimestamp) delete histoVertexTimestamp;
- if (histoDeltatTimestamp )delete histoDeltatTimestamp;
- if (histoDeltazEta) delete histoDeltazEta;
- if (histoDeltatEta) delete histoDeltatEta;
- if (histoDeltazCosTheta) delete histoDeltazCosTheta;
- if (histoAcceptedTracksEtaPt) delete histoAcceptedTracksEtaPt;
- if (histoMatchedTracksEtaPt) delete histoMatchedTracksEtaPt;
- }
- return kFALSE;
- }
-
- /* check matching performance */
- if (!CheckMatchingPerformance(histoDeltazEta, histoAcceptedTracksEtaPt, histoMatchedTracksEtaPt)) {
- AliError("error while checking matching efficiency");
- if (list)
- delete list;
- else{
- if (histoVertexTimestamp) delete histoVertexTimestamp;
- if (histoDeltatTimestamp )delete histoDeltatTimestamp;
- if (histoDeltazEta) delete histoDeltazEta;
- if (histoDeltatEta) delete histoDeltatEta;
- if (histoDeltazCosTheta) delete histoDeltazCosTheta;
- if (histoAcceptedTracksEtaPt) delete histoAcceptedTracksEtaPt;
- if (histoMatchedTracksEtaPt) delete histoMatchedTracksEtaPt;
- }
- return kFALSE;
- }
- /* calibrate and store */
- if (!CalibrateAndStore(histoVertexTimestamp, histoDeltatTimestamp, db)) {
- AliError("error while calibrating and storing");
- if (list)
- delete list;
- else{
- if (histoVertexTimestamp) delete histoVertexTimestamp;
- if (histoDeltatTimestamp )delete histoDeltatTimestamp;
- if (histoDeltazEta) delete histoDeltazEta;
- if (histoDeltatEta) delete histoDeltatEta;
- if (histoDeltazCosTheta) delete histoDeltazCosTheta;
- if (histoAcceptedTracksEtaPt) delete histoAcceptedTracksEtaPt;
- if (histoMatchedTracksEtaPt) delete histoMatchedTracksEtaPt;
- }
- return kFALSE;
- }
-
- if (list)
- delete list;
- else{
- if (histoVertexTimestamp) delete histoVertexTimestamp;
- if (histoDeltatTimestamp )delete histoDeltatTimestamp;
- if (histoDeltazEta) delete histoDeltazEta;
- if (histoDeltatEta) delete histoDeltatEta;
- if (histoDeltazCosTheta) delete histoDeltazCosTheta;
- if (histoAcceptedTracksEtaPt) delete histoAcceptedTracksEtaPt;
- if (histoMatchedTracksEtaPt) delete histoMatchedTracksEtaPt;
- }
-
- /* success */
- return kTRUE;
-}
-
-//_______________________________________________________
-
-Bool_t
-AliTOFAnalysisTaskCalibPass0::CheckMatchingPerformance(const TH2F *histoDeltazCosTheta, const TH2F *histoAcceptedTracksEtaPt, const TH2F *histoMatchedTracksEtaPt) const
-{
- /*
- * check matching performance
- */
-
- /* check pointers */
- if (!histoDeltazCosTheta || !histoAcceptedTracksEtaPt || !histoMatchedTracksEtaPt)
- return kFALSE;
- /* dummy for the time being */
- return kTRUE;
-}
-
-//_______________________________________________________
-
-Bool_t
-AliTOFAnalysisTaskCalibPass0::CalibrateAndStore(TH2F *histoVertexTimestamp, TH2F *histoDeltatTimestamp, AliCDBStorage *db)
-{
- /*
- * calibrate and store
- */
-
- /* check pointers */
- if (!histoVertexTimestamp || !histoDeltatTimestamp)
- return kFALSE;
-
- /*** GET RUN-NUMBER AND START-TIMESTAMP ***/
-
- TString str;
- TObjArray *strarr = NULL;
- TObjString *ostr = NULL;
- str = histoVertexTimestamp->GetTitle();
- strarr = str.Tokenize(",");
- if (!strarr) {
- AliError("problems whith tokenize histogram title");
- fStatus = kDataError;
- return kFALSE;
- }
-
- /* run number */
- ostr = (TObjString *)strarr->At(0);
- if (!ostr) {
- AliError("problems while getting run number from histogram title");
- fStatus = kDataError;
- delete strarr;
- return kFALSE;
- }
- str = ostr->GetString();
- if (!str.BeginsWith("run:")) {
- AliError("problems while getting run number from histogram title");
- fStatus = kDataError;
- delete strarr;
- return kFALSE;
- }
- str.Remove(0, 5);
- Int_t runNb = atoi(str.Data());
- if (runNb <= 0) {
- AliError(Form("bad run number: %d", runNb));
- fStatus = kDataError;
- delete strarr;
- return kFALSE;
- }
- AliInfo(Form("got run number: %d", runNb));
-
- /* start timestamp */
- ostr = (TObjString *)strarr->At(1);
- if (!ostr) {
- AliError("problems while getting start timestamp from histogram title");
- fStatus = kDataError;
- delete strarr;
- return kFALSE;
- }
- str = ostr->GetString();
- str.Remove(0, 1); /* remove empty space at the beginning */
- if (!str.BeginsWith("startTimestamp:")) {
- AliError("problems while getting start timestamp from histogram title");
- fStatus = kDataError;
- delete strarr;
- return kFALSE;
- }
- str.Remove(0, 16);
- UInt_t startTimestamp = atoi(str.Data());
- if (startTimestamp <= 0) {
- AliError(Form("bad start timestamp: %d", startTimestamp));
- fStatus = kDataError;
- delete strarr;
- return kFALSE;
- }
- TTimeStamp ts = startTimestamp;
- AliInfo(Form("got start timestamp: %d (%s)", startTimestamp, ts.AsString()));
-
- /* BPTX */
- ostr = (TObjString *)strarr->At(2);
- if (!ostr) {
- AliError("problems while getting BPTX from histogram title");
- fStatus = kDataError;
- delete strarr;
- return kFALSE;
- }
- str = ostr->GetString();
- str.Remove(0, 1); /* remove empty space at the beginning */
- if (!str.BeginsWith("BPTX:")) {
- AliError("problems while getting BPTX from histogram title");
- fStatus = kDataError;
- delete strarr;
- return kFALSE;
- }
- str.Remove(0, 6);
- Bool_t useBPTX = atoi(str.Data());
- AliInfo(Form("got BPTX: %d", useBPTX));
-
- delete strarr;
-
- /*** CALIBRATION STAGE ***/
-
- /* get fit function */
- // TF1 *fitFunc = (TF1 *)gROOT->GetFunction("gaus");
- TF1 ftgs("ftgs","gaus",-1,1);
- TF1 *fitFunc = &ftgs; //new (TF1 *)gROOT->GetFunction("gaus");
-
- /* projection-x */
- TH1D *histoVertexTimestamppx = histoVertexTimestamp->ProjectionX("histoVertexTimestamppx");
- TH1D *histoDeltatTimestamppx = histoDeltatTimestamp->ProjectionX("histoDeltatTimestamppx");
-
- /* check statistics */
- if (histoVertexTimestamppx->Integral() < fgMinVertexIntegral ||
- histoDeltatTimestamppx->Integral() < fgMinDeltatIntegral) {
- fStatus = kLowStatistics;
- return kFALSE;
- }
-
- /* define mix and max time bin */
- Int_t minBin = histoVertexTimestamppx->FindFirstBinAbove(0);
- Int_t maxBin = histoVertexTimestamppx->FindLastBinAbove(0);
- Float_t minTime = histoVertexTimestamppx->GetBinLowEdge(minBin);
- Float_t maxTime = histoVertexTimestamppx->GetBinLowEdge(maxBin + 1);
- AliInfo(Form("min/max time defined: %d < t < %d s [%d, %d]", (Int_t)minTime, (Int_t)maxTime, minBin, maxBin));
-
- /* loop over time bins */
- Int_t nPoints = 0;
- Float_t time[fgkMaxNumberOfPoints], timeerr[fgkMaxNumberOfPoints];
- Float_t vertexMean[fgkMaxNumberOfPoints], vertexMeanerr[fgkMaxNumberOfPoints];
- Float_t vertexSigma[fgkMaxNumberOfPoints], vertexSigmaerr[fgkMaxNumberOfPoints];
- Float_t timeZeroMean[fgkMaxNumberOfPoints], timeZeroMeanerr[fgkMaxNumberOfPoints];
- Float_t timeZeroSigma[fgkMaxNumberOfPoints], timeZeroSigmaerr[fgkMaxNumberOfPoints];
- Float_t averageTimeZero = 0.;
- Float_t averageTimeSigma = 0.;
- Float_t averageVertexSpread = 0.;
- for (Int_t ibin = minBin; ibin <= maxBin; ibin++) {
-
- /* define time window */
- Int_t startBin = ibin;
- Int_t endBin = ibin;
- while(histoVertexTimestamppx->Integral(startBin, endBin) < fgMinVertexIntegralSample ||
- histoDeltatTimestamppx->Integral(startBin, endBin) < fgMinDeltatIntegralSample) {
- if (endBin < maxBin) endBin++;
- else if (startBin > minBin) startBin--;
- else break;
- }
- if (histoVertexTimestamppx->Integral(startBin, endBin) < fgMinVertexIntegral ||
- histoDeltatTimestamppx->Integral(startBin, endBin) < fgMinDeltatIntegral) continue;
- Float_t startTime = histoVertexTimestamppx->GetBinLowEdge(startBin);
- Float_t endTime = histoVertexTimestamppx->GetBinLowEdge(endBin + 1);
- Float_t vertexIntegral = histoVertexTimestamppx->Integral(startBin, endBin);
- Float_t deltatIntegral = histoDeltatTimestamppx->Integral(startBin, endBin);
- AliInfo(Form("time window defined: %d < t < %d s [%d, %d]: %d vertices, %d tracks", (Int_t)startTime, (Int_t)endTime, startBin, endBin, (Int_t)vertexIntegral, (Int_t)deltatIntegral));
-
- /* projection-y */
- TH1D *histoVertexTimestamppy = histoVertexTimestamp->ProjectionY("histoVertexTimestamppy", startBin, endBin);
- TH1D *histoDeltatTimestamppy = histoDeltatTimestamp->ProjectionY("histoDeltatTimestamppy", startBin, endBin);
-
- /* average time */
- histoVertexTimestamppx->GetXaxis()->SetRange(startBin, endBin);
- time[nPoints] = histoVertexTimestamppx->GetMean();
- timeerr[nPoints] = histoVertexTimestamppx->GetMeanError();
-
- /* fit vertex */
- if (FitPeak(fitFunc, histoVertexTimestamppy, 10., 3., 3.) != 0) {
- AliError("troubles fitting vertex, skip");
- delete histoVertexTimestamppy;
- delete histoDeltatTimestamppy;
- continue;
- }
- vertexMean[nPoints] = fitFunc->GetParameter(1);
- vertexMeanerr[nPoints] = fitFunc->GetParError(1);
- vertexSigma[nPoints] = fitFunc->GetParameter(2);
- vertexSigmaerr[nPoints] = fitFunc->GetParError(2);
- averageVertexSpread += fitFunc->GetParameter(2);
-
- /* fit time-zero */
- if (FitPeak(fitFunc, histoDeltatTimestamppy, 500., 2., 1.) != 0) {
- AliError("troubles fitting time-zero TRACKS, skip");
- delete histoVertexTimestamppy;
- delete histoDeltatTimestamppy;
- continue;
- }
- timeZeroMean[nPoints] = fitFunc->GetParameter(1);
- timeZeroMeanerr[nPoints] = fitFunc->GetParError(1);
- timeZeroSigma[nPoints] = fitFunc->GetParameter(2);
- timeZeroSigmaerr[nPoints] = fitFunc->GetParError(2);
- averageTimeZero += fitFunc->GetParameter(1);
- averageTimeSigma += fitFunc->GetParameter(2);
-
- /* delete projection-y */
- delete histoVertexTimestamppy;
- delete histoDeltatTimestamppy;
-
- /* increment n points */
- nPoints++;
-
- /* set current bin */
- ibin = endBin;
-
- } /* end of loop over time bins */
-
- /* delete projection-x */
- delete histoVertexTimestamppx;
- delete histoDeltatTimestamppx;
-
- /* check points */
- if (nPoints <= 0) {
- AliError("no measurement available, quit");
- fStatus = kNoMeasurement;
- return kFALSE;
- }
- AliInfo(Form("average time-zero = %f", averageTimeZero / nPoints));
- AliInfo(Form("average time-sigma = %f", averageTimeSigma / nPoints));
- AliInfo(Form("average v-spread = %f", averageVertexSpread / nPoints));
-
- /*** CREATE RUN PARAMS OBJECT ***/
-
-#if 0
- /* get start time from GRP */
- TGrid::Connect("alien://", 0, 0, "t");
- AliCDBManager *cdb = AliCDBManager::Instance();
- cdb->SetDefaultStorage("raw://");
- cdb->SetRun(runNb);
- AliGRPManager grp;
- if (!grp.ReadGRPEntry()) {
- AliError("error while reading GRP entry");
- return kFALSE;
- }
- UInt_t startTimestamp = grp.GetGRPData()->GetTimeStart();
- TTimeStamp ts;
- ts = startTimestamp;
- AliInfo(Form("got start time from GRP: %s", ts.AsString()));
-#endif
-
- /* create arrays */
- UInt_t timestamp[fgkMaxNumberOfPoints];
- Float_t t0[fgkMaxNumberOfPoints];
- Float_t tofReso[fgkMaxNumberOfPoints];
- Float_t t0Spread[fgkMaxNumberOfPoints];
- for (Int_t ipoint = 0; ipoint < nPoints; ipoint++) {
- timestamp[ipoint] = (UInt_t)time[ipoint] + startTimestamp;
- t0[ipoint] = timeZeroMean[ipoint];
- tofReso[ipoint] = timeZeroSigma[ipoint];
- t0Spread[ipoint] = vertexSigma[ipoint] / 2.99792457999999984e-02;
- }
- UInt_t run[1] = {static_cast<UInt_t>(runNb)};
- UInt_t runFirstPoint[1] = {0};
- UInt_t runLastPoint[1] = {static_cast<UInt_t>(nPoints - 1)};
-
- /* create run params object */
- AliTOFRunParams obj(nPoints, 1);
- AliInfo(Form("create run params object for run %d with %d points", runNb, nPoints));
- obj.SetTimestamp(timestamp);
- obj.SetT0(t0);
- obj.SetTOFResolution(tofReso);
- obj.SetT0Spread(t0Spread);
- obj.SetRunNb(run);
- obj.SetRunFirstPoint(runFirstPoint);
- obj.SetRunLastPoint(runLastPoint);
- obj.SetUseLHCClockPhase(useBPTX);
-
- /*** CREATE OCDB ENTRY ***/
-
- if (!db) {
- AliError("cannot store object because of NULL storage");
- fStatus = kStoreError;
- return kFALSE;
- }
-
- /* install run params object in OCDB */
- AliCDBId id("TOF/Calib/RunParams", runNb, runNb);
- AliCDBMetaData md;
- md.SetResponsible("Roberto Preghenella");
- md.SetComment("offline TOF run parameters");
- md.SetAliRootVersion(gSystem->Getenv("ARVERSION"));
- md.SetBeamPeriod(0);
- if (!db->Put(&obj, id, &md)) {
- fStatus = kStoreError;
- AliError(Form("error while putting object in storage %s", db->GetURI().Data()));
- return kFALSE;
- }
-
- /* success */
- return kTRUE;
-}
-
-//_____________________________________________________________
-
-Int_t
-AliTOFAnalysisTaskCalibPass0::FitPeak(TF1 *fitFunc, TH1D *h, Float_t startSigma, Float_t nSigmaMin, Float_t nSigmaMax)
-{
- /*
- * fit peak
- */
- for (int i=3;i--;) fitFunc->SetParError(i,0);
- fitFunc->SetRange(h->GetXaxis()->GetXmin(),h->GetXaxis()->GetXmax());
- Double_t fitCent = h->GetBinCenter(h->GetMaximumBin());
- Double_t fitMin = fitCent - nSigmaMin * startSigma;
- Double_t fitMax = fitCent + nSigmaMax * startSigma;
- if (fitMin < h->GetXaxis()->GetXmin()) fitMin = h->GetXaxis()->GetXmin();
- if (fitMax > h->GetXaxis()->GetXmax()) fitMax = h->GetXaxis()->GetXmax();
- fitFunc->SetParameter(1, fitCent);
- fitFunc->SetParameter(2, startSigma);
- Int_t fitres = h->Fit(fitFunc, "WWq0", "", fitMin, fitMax);
- if (fitres != 0) return fitres;
- /* refit with better range */
- for (Int_t i = 0; i < 3; i++) {
- fitCent = fitFunc->GetParameter(1);
- fitMin = fitCent - nSigmaMin * fitFunc->GetParameter(2);
- fitMax = fitCent + nSigmaMax * fitFunc->GetParameter(2);
- if (fitMin < h->GetXaxis()->GetXmin()) fitMin = h->GetXaxis()->GetXmin();
- if (fitMax > h->GetXaxis()->GetXmax()) fitMax = h->GetXaxis()->GetXmax();
- fitres = h->Fit(fitFunc, "q0", "", fitMin, fitMax);
- if (fitres != 0) return fitres;
- }
- return fitres;
-}
+++ /dev/null
-#include "AliTOFAnalysisTaskCalibTree.h"
-#include "AliAnalysisManager.h"
-#include "AliAODHandler.h"
-#include "TTree.h"
-#include "AliCDBManager.h"
-#include "AliGRPManager.h"
-#include "AliGRPObject.h"
-#include "AliPhysicsSelection.h"
-#include "AliESDtrack.h"
-#include "AliESDEvent.h"
-#include "AliESDpid.h"
-#include "AliESDtrackCuts.h"
-#include "AliTOFT0v1.h"
-#include "AliTOFT0maker.h"
-#include "AliTOFcalib.h"
-
-ClassImp(AliTOFAnalysisTaskCalibTree)
-
-//_______________________________________________________
-
-AliTOFAnalysisTaskCalibTree::AliTOFAnalysisTaskCalibTree(const Char_t* name) :
-AliAnalysisTaskSE(name),
- fInitFlag(kFALSE),
- fEventSelectionFlag(kFALSE),
- fVertexSelectionFlag(kFALSE),
- fVertexCut(1000.),
- fDiscardPileupEventFlag(kFALSE),
- fCalibrateTOFsignal(kFALSE),
- fComputeT0TOF(kFALSE),
- fUseT0TOF(kFALSE),
- fUseLHCClockPhase(kFALSE),
- fPrimaryDCASelectionFlag(kFALSE),
- fRunNumber(0),
- fESDEvent(0),
- fEventCuts(new AliPhysicsSelection()),
- fTrackCuts(new AliESDtrackCuts()),
- fESDpid(new AliESDpid()),
- fStartTime(0),
- fEndTime(0),
- fElapsedTime(0),
- fIsCollisionCandidate(kFALSE),
- fHasVertex(kFALSE),
- fVertex(NULL),
- fGRPManager(new AliGRPManager()),
- fGRPObject(NULL),
- fSpecificStorageParOffline(),
- fSpecificStorageRunParams(),
- fTimeResolution(80.),
- fTOFcalib(new AliTOFcalib()),
- fTOFT0maker(new AliTOFT0maker(fESDpid, fTOFcalib)),
- fTOFT0v1(new AliTOFT0v1(fESDpid)),
- ftimestamp(0),
- fVertexZ(99999),
- ftimezero(9999999),
- fnhits(-1),
- fOutputTree(0x0)
-
-{
- /*
- * default constructor
- */
-
- for (Int_t i = 0; i < MAXHITS; i++){
- fmomentum[i] = 999999;
- flength[i] = 999999;
- findex[i] = -1;
- ftime[i] = 999999;
- ftot[i] = 999999;
- ftexp[i] = 999999;
- }
-
- DefineOutput(1, TTree::Class());
-
-}
-
-//_______________________________________________________
-
-AliTOFAnalysisTaskCalibTree::~AliTOFAnalysisTaskCalibTree()
-{
- /*
- * default destructor
- */
- delete fEventCuts;
- delete fTrackCuts;
- delete fESDpid;
- delete fTOFcalib;
- delete fTOFT0maker;
- delete fTOFT0v1;
- if (fOutputTree) {
- delete fOutputTree;
- fOutputTree = 0x0;
- }
-
-}
-
-//_______________________________________________________
-
-void
-AliTOFAnalysisTaskCalibTree::UserCreateOutputObjects()
-{
- /*
- * user create output objects
- */
-
- fOutputTree = new TTree("aodTree", "Tree with TOF calib output");
-
- /* setup output tree */
- fOutputTree->Branch("run", &fRunNumber, "run/I");
- fOutputTree->Branch("timestamp", &ftimestamp, "timestamp/i");
- fOutputTree->Branch("timezero", &ftimezero, "timezero/F");
- fOutputTree->Branch("vertex", &fVertexZ, "vertex/F");
- fOutputTree->Branch("nhits", &fnhits, "nhits/I");
- fOutputTree->Branch("momentum", &fmomentum, "momentum[nhits]/F");
- fOutputTree->Branch("length", &flength, "length[nhits]/F");
- fOutputTree->Branch("index", &findex, "index[nhits]/I");
- fOutputTree->Branch("time", &ftime, "time[nhits]/F");
- fOutputTree->Branch("tot", &ftot, "tot[nhits]/F");
- fOutputTree->Branch("texp", &ftexp, "texp[nhits]/F");
-
- PostData(1, fOutputTree);
-
-}
-
-//_______________________________________________________
-
-void AliTOFAnalysisTaskCalibTree::UserExec(Option_t *) {
- //
- // user exec
- //
-
- // unset fill AOD
- ((AliAODHandler*)(AliAnalysisManager::GetAnalysisManager()->GetOutputEventHandler()))->SetFillAOD(kFALSE);
-
- //init run
- if (!InitRun()) return;
-
- //init event
- if (!InitEvent()) return;
-
- /*** ACCEPTED EVENT ***/
-
- // set vertex
- fVertexZ = fVertex->GetZ();
-
- // compute T0-TOF using all availeble tracks
- fTOFT0v1->DefineT0("all", 0.0, 0.5);
- Float_t timeZeroTOF = -1000. * fTOFT0v1->GetResult(0);
- Float_t timeZeroTOF_sigma = 1000. * fTOFT0v1->GetResult(1);
- //Int_t timeZeroTOF_tracks = fTOFT0v1->GetResult(3); // not used for the time being
-
- // check T0-TOF sigma
- if (timeZeroTOF_sigma >= 250.) ftimezero = 999999.;
- else ftimezero = timeZeroTOF;
-
- // reset
- fnhits = 0;
-
- // loop over ESD tracks
- Int_t nTracks = fESDEvent->GetNumberOfTracks();
- AliESDtrack *track;
- Int_t index;
- Double_t momentum, length, time, tot, timei[AliPID::kSPECIES];
- for (Int_t itrk = 0; itrk < nTracks; itrk++) {
- // get track
- track = fESDEvent->GetTrack(itrk);
- if (!track) continue;
- // check accept track
- if (!fTrackCuts->AcceptTrack(track)) continue;
- // check primary DCA
- if (fPrimaryDCASelectionFlag && !HasPrimaryDCA(track)) continue;
- // check TOF measurement
- if (!HasTOFMeasurement(track)) continue;
-
- /*** ACCEPTED TRACK WITH TOF MEASUREMENT ***/
-
- // get track info
- momentum = track->P();
- length = track->GetIntegratedLength();
- index = track->GetTOFCalChannel();
- time = track->GetTOFsignal();
- tot = track->GetTOFsignalToT();
- track->GetIntegratedTimes(timei);
-
- // add hit to array (if there is room)
- if (fnhits > MAXHITS) continue;
- fmomentum[fnhits] = momentum;
- flength[fnhits] = length;
- findex[fnhits] = index;
- ftime[fnhits] = time;
- ftot[fnhits] = tot;
- ftexp[fnhits] = timei[AliPID::kPion];
- fnhits++;
-
- } /* end of loop over ESD tracks */
-
- // check number of hits and set fill output tree
- if (fnhits > 0)
- fOutputTree->Fill();
-
- PostData(1, fOutputTree);
-
-}
-
-//_______________________________________________________
-
-Bool_t AliTOFAnalysisTaskCalibTree::InitRun() {
-
- //¯
- // init run
- //
-
- // get ESD event
- fESDEvent = dynamic_cast<AliESDEvent *>(InputEvent());
- if (!fESDEvent) {
- AliError("cannot get ESD event");
- return kFALSE;
- }
-
- // get run number
- Int_t runNb = fESDEvent->GetRunNumber();
-
- // check run already initialized
- if (fInitFlag && fRunNumber == runNb) return kTRUE;
- fInitFlag = kFALSE;
-
- // init cdb
- AliCDBManager *cdb = AliCDBManager::Instance();
- cdb->SetDefaultStorage("raw://");
- if (!fSpecificStorageParOffline.IsNull())
- cdb->SetSpecificStorage("TOF/Calib/ParOffline", fSpecificStorageParOffline.Data());
- if (!fSpecificStorageRunParams.IsNull())
- cdb->SetSpecificStorage("TOF/Calib/RunParams", fSpecificStorageRunParams.Data());
- cdb->SetRun(runNb);
-
- // init TOF calib
- if (!fTOFcalib->Init()) {
- AliError("cannot init TOF calib");
- return kFALSE;
- }
-
- // get GRP data
- if (!fGRPManager->ReadGRPEntry()) {
- AliError("error while reading \"GRPEntry\" from OCDB");
- return kFALSE;
- }
- fGRPObject = fGRPManager->GetGRPData();
- if (!fGRPObject) {
- AliError("cannot get \"GRPData\" from GRP manager");
- return kFALSE;
- }
- fStartTime = fGRPObject->GetTimeStart();
- fEndTime = fGRPObject->GetTimeEnd();
- AliInfo(Form("got \"GRPData\": startTime=%d, endTime=%d", fStartTime, fEndTime));
-
- AliInfo(Form("initialized for run %d", runNb));
- fInitFlag = kTRUE;
- fRunNumber = runNb;
- return kTRUE;
-}
-
-//_______________________________________________________
-
-Bool_t AliTOFAnalysisTaskCalibTree::InitEvent() {
-
- //
- // init event
- //
-
- // get ESD event
- fESDEvent = dynamic_cast<AliESDEvent *>(InputEvent());
- if (!fESDEvent) return kFALSE;
-
- // set event time and elapsed time
- ftimestamp = fESDEvent->GetTimeStamp();
- fElapsedTime = fESDEvent->GetTimeStamp() - fStartTime;
-
- // event selection
- if (fEventSelectionFlag){
- fIsCollisionCandidate = fEventCuts->IsCollisionCandidate(fESDEvent);
- if (!fIsCollisionCandidate) return kFALSE;
- }
-
- // vertex selection
- fVertex = fESDEvent->GetPrimaryVertexTracks();
- if (fVertex->GetNContributors() < 1) {
- fVertex = fESDEvent->GetPrimaryVertexSPD();
- if (fVertex->GetNContributors() < 1) fHasVertex = kFALSE;
- else fHasVertex = kTRUE;
- }
- else fHasVertex = kTRUE;
- if (fVertexSelectionFlag && (!fHasVertex || TMath::Abs(fVertex->GetZ()) > fVertexCut)) return kFALSE;
-
- // discard pile-up event is requested
- if (fDiscardPileupEventFlag) {
- if (fESDEvent->IsPileupFromSPD()) {
- printf("PILE-UP event, will be discarded\n");
- return kFALSE;
- }
- }
-
- // init TOF response
- fESDpid->GetTOFResponse().SetTimeResolution(fTimeResolution);
-
- // init TOF-T0 maker
- fTOFT0maker->SetTimeResolution(fTimeResolution);
-
- // calibrate ESD if requested
- if (fCalibrateTOFsignal)
- fTOFcalib->CalibrateESD(fESDEvent);
-
- // compute T0-TOF and apply it if requested
- if (fComputeT0TOF)
- fTOFT0maker->ComputeT0TOF(fESDEvent);
- if (fUseT0TOF) {
- fTOFT0maker->ApplyT0TOF(fESDEvent);
- //fESDpid->MakePID(fESDEvent, kFALSE, 0.);
- }
-
- // init T0-TOF
- fTOFT0v1->Init(fESDEvent);
-
- return kTRUE;
-
-}
-
-//_______________________________________________________
-
-Bool_t AliTOFAnalysisTaskCalibTree::HasTOFMeasurement(AliESDtrack *track) {
-
- //
- // has TOF measurement
- //
-
- //check TOF status flags
- if (!(track->GetStatus() & AliESDtrack::kTOFout) ||
- !(track->GetStatus() & AliESDtrack::kTIME)) return kFALSE;
-
- // check integrated length
- if (track->GetIntegratedLength() < 350.) return kFALSE;
-
- // TOF measurement ok
- return kTRUE;
-}
-
-//_______________________________________________________
-
-Bool_t AliTOFAnalysisTaskCalibTree::HasPrimaryDCA(AliESDtrack *track) {
-
- //
- // has primary DCA
- //
-
- // cut on transverse impact parameter
- Float_t d0z0[2],covd0z0[3];
- track->GetImpactParameters(d0z0, covd0z0);
- Float_t sigma= 0.0050 + 0.0060 / TMath::Power(track->Pt(), 0.9);
- Float_t d0max = 7. * sigma;
- //
- Float_t sigmaZ = 0.0146 + 0.0070 / TMath::Power(track->Pt(), 1.114758);
- if (track->Pt() > 1.) sigmaZ = 0.0216;
- Float_t d0maxZ = 5. * sigmaZ;
- //
- if(TMath::Abs(d0z0[0]) > d0max || TMath::Abs(d0z0[1]) > d0maxZ)
- return kFALSE;
-
- /* primary DCA ok */
- return kTRUE;
-}
git://git.uio.no / u / mrichter / AliRoot.git / commitdiff