* provided "as is" without express or implied warranty. *
**************************************************************************/
-/* $Id$ */
+//--------------------------------------------------------------------//
+// //
+// AliTOFtracker Class //
+// Task: Perform association of the ESD tracks to TOF Clusters //
+// and Update ESD track with associated TOF Cluster parameters //
+// //
+// -- Authors : S. Arcelli, C. Zampolli (Bologna University and INFN) //
+// -- Contacts: Annalisa.De.Caro@cern.ch //
+// -- : Chiara.Zampolli@bo.infn.it //
+// -- : Silvia.Arcelli@bo.infn.it //
+// //
+//--------------------------------------------------------------------//
+#include <Rtypes.h>
+#include <TROOT.h>
+
+#include <TSeqCollection.h>
+#include <TClonesArray.h>
+#include <TGeoManager.h>
+#include <TTree.h>
+#include <TFile.h>
+#include <TH2F.h>
+
+#include "AliGeomManager.h"
+#include "AliESDtrack.h"
+#include "AliESDEvent.h"
+#include "AliLog.h"
+#include "AliTrackPointArray.h"
+#include "AliCDBManager.h"
+
+#include "AliTOFpidESD.h"
+#include "AliTOFRecoParam.h"
+#include "AliTOFReconstructor.h"
+#include "AliTOFcluster.h"
+#include "AliTOFGeometry.h"
#include "AliTOFtracker.h"
+#include "AliTOFtrack.h"
+extern TGeoManager *gGeoManager;
+extern TROOT *gROOT;
ClassImp(AliTOFtracker)
+//_____________________________________________________________________________
+AliTOFtracker::AliTOFtracker():
+ fRecoParam(0x0),
+ fGeom(0x0),
+ fPid(0x0),
+ fN(0),
+ fNseeds(0),
+ fNseedsTOF(0),
+ fngoodmatch(0),
+ fnbadmatch(0),
+ fnunmatch(0),
+ fnmatch(0),
+ fTracks(new TClonesArray("AliTOFtrack")),
+ fSeeds(new TClonesArray("AliESDtrack")),
+ fHDigClusMap(0x0),
+ fHDigNClus(0x0),
+ fHDigClusTime(0x0),
+ fHDigClusToT(0x0),
+ fHRecNClus(0x0),
+ fHRecDist(0x0),
+ fHRecSigYVsP(0x0),
+ fHRecSigZVsP(0x0),
+ fHRecSigYVsPWin(0x0),
+ fHRecSigZVsPWin(0x0),
+ fCalTree(0x0),
+ fIch(-1),
+ fToT(-1.),
+ fTime(-1.),
+ fExpTimePi(-1.),
+ fExpTimeKa(-1.),
+ fExpTimePr(-1.)
+ {
+ //AliTOFtracker main Ctor
+
+ // Gettimg the geometry
+ fGeom= new AliTOFGeometry();
+
+ InitCheckHists();
+
+}
+//_____________________________________________________________________________
+AliTOFtracker::AliTOFtracker(const AliTOFtracker &t):
+ AliTracker(),
+ fRecoParam(0x0),
+ fGeom(0x0),
+ fPid(0x0),
+ fN(0),
+ fNseeds(0),
+ fNseedsTOF(0),
+ fngoodmatch(0),
+ fnbadmatch(0),
+ fnunmatch(0),
+ fnmatch(0),
+ fTracks(new TClonesArray("AliTOFtrack")),
+ fSeeds(new TClonesArray("AliESDtrack")),
+ fHDigClusMap(0x0),
+ fHDigNClus(0x0),
+ fHDigClusTime(0x0),
+ fHDigClusToT(0x0),
+ fHRecNClus(0x0),
+ fHRecDist(0x0),
+ fHRecSigYVsP(0x0),
+ fHRecSigZVsP(0x0),
+ fHRecSigYVsPWin(0x0),
+ fHRecSigZVsPWin(0x0),
+ fCalTree(0x0),
+ fIch(-1),
+ fToT(-1.),
+ fTime(-1.),
+ fExpTimePi(-1.),
+ fExpTimeKa(-1.),
+ fExpTimePr(-1.)
+ {
+ //AliTOFtracker copy Ctor
+
+ fNseeds=t.fNseeds;
+ fNseeds=t.fNseeds;
+ fNseedsTOF=t.fNseedsTOF;
+ fngoodmatch=t.fngoodmatch;
+ fnbadmatch=t.fnbadmatch;
+ fnunmatch=t.fnunmatch;
+ fnmatch=t.fnmatch;
+ fRecoParam=t.fRecoParam;
+ fPid=t.fPid;
+ fSeeds=t.fSeeds;
+ fTracks=t.fTracks;
+ fN=t.fN;
+}
+
+//_____________________________________________________________________________
+AliTOFtracker& AliTOFtracker::operator=(const AliTOFtracker &t)
+{
+ //AliTOFtracker assignment operator
+
+ this->fNseeds=t.fNseeds;
+ this->fNseedsTOF=t.fNseedsTOF;
+ this->fngoodmatch=t.fngoodmatch;
+ this->fnbadmatch=t.fnbadmatch;
+ this->fnunmatch=t.fnunmatch;
+ this->fnmatch=t.fnmatch;
+ this->fRecoParam = t.fRecoParam;
+ this->fGeom=t.fGeom;
+ this->fPid = t.fPid;
+ this->fSeeds=t.fSeeds;
+ this->fTracks=t.fTracks;
+ this->fN=t.fN;
+ return *this;
+
+}
+//_____________________________________________________________________________
+AliTOFtracker::~AliTOFtracker() {
+ //
+ // Dtor
+ //
+
+ SaveCheckHists();
+
+ if(!(AliCDBManager::Instance()->GetCacheFlag())){
+ delete fRecoParam;
+ }
+ delete fGeom;
+ delete fPid;
+ delete fHDigClusMap;
+ delete fHDigNClus;
+ delete fHDigClusTime;
+ delete fHDigClusToT;
+ delete fHRecNClus;
+ delete fHRecDist;
+ delete fHRecSigYVsP;
+ delete fHRecSigZVsP;
+ delete fHRecSigYVsPWin;
+ delete fHRecSigZVsPWin;
+ delete fCalTree;
+ if (fTracks){
+ fTracks->Delete();
+ delete fTracks;
+ fTracks=0x0;
+ }
+ if (fSeeds){
+ fSeeds->Delete();
+ delete fSeeds;
+ fSeeds=0x0;
+ }
+
+}
+//_____________________________________________________________________________
+Int_t AliTOFtracker::PropagateBack(AliESDEvent* event) {
+ //
+ // Gets seeds from ESD event and Match with TOF Clusters
+ //
+
+ // initialize RecoParam for current event
+
+ AliInfo("Initializing params for TOF... ");
+
+ fRecoParam = AliTOFReconstructor::GetRecoParam(); // instantiate reco param from STEER...
+
+ if (fRecoParam == 0x0) {
+ AliFatal("No Reco Param found for TOF!!!");
+ }
+ //fRecoParam->Dump();
+ if(fRecoParam->GetApplyPbPbCuts())fRecoParam=fRecoParam->GetPbPbparam();
+ //fRecoParam->PrintParameters();
+
+ Double_t parPID[2];
+ parPID[0]=fRecoParam->GetTimeResolution();
+ parPID[1]=fRecoParam->GetTimeNSigma();
+ fPid=new AliTOFpidESD(parPID);
+
+ //Initialise some counters
+
+ fNseeds=0;
+ fNseedsTOF=0;
+ fngoodmatch=0;
+ fnbadmatch=0;
+ fnunmatch=0;
+ fnmatch=0;
+
+ Int_t ntrk=event->GetNumberOfTracks();
+ fNseeds = ntrk;
+ TClonesArray &aESDTrack = *fSeeds;
+
+
+ //Load ESD tracks into a local Array of ESD Seeds
+
+ for (Int_t i=0; i<fNseeds; i++) {
+ AliESDtrack *t=event->GetTrack(i);
+ new(aESDTrack[i]) AliESDtrack(*t);
+ }
+
+ //Prepare ESD tracks candidates for TOF Matching
+ CollectESD();
+
+ //First Step with Strict Matching Criterion
+ MatchTracks(kFALSE);
+
+ //Second Step with Looser Matching Criterion
+ MatchTracks(kTRUE);
+
+ AliInfo(Form("Number of matched tracks: %d",fnmatch));
+ AliInfo(Form("Number of good matched tracks: %d",fngoodmatch));
+ AliInfo(Form("Number of bad matched tracks: %d",fnbadmatch));
+
+ //Update the matched ESD tracks
+
+ for (Int_t i=0; i<ntrk; i++) {
+ AliESDtrack *t=event->GetTrack(i);
+ AliESDtrack *seed =(AliESDtrack*)fSeeds->UncheckedAt(i);
+ if(seed->GetTOFsignal()>0){
+ t->SetTOFsignal(seed->GetTOFsignal());
+ t->SetTOFcluster(seed->GetTOFcluster());
+ t->SetTOFsignalToT(seed->GetTOFsignalToT());
+ t->SetTOFsignalRaw(seed->GetTOFsignalRaw());
+ t->SetTOFsignalDz(seed->GetTOFsignalDz());
+ t->SetTOFCalChannel(seed->GetTOFCalChannel());
+ Int_t tlab[3]; seed->GetTOFLabel(tlab);
+ t->SetTOFLabel(tlab);
+ AliTOFtrack *track = new AliTOFtrack(*seed);
+ t->UpdateTrackParams(track,AliESDtrack::kTOFout);
+ delete track;
+ }
+ }
+
+ //Handle Time Zero information
+
+ Double_t timeZero=0.;
+ Double_t timeZeroMax=99999.;
+ Bool_t usetimeZero = fRecoParam->UseTimeZero();
+ Bool_t timeZeroFromT0 = fRecoParam->GetTimeZerofromT0();
+ Bool_t timeZeroFromTOF = fRecoParam->GetTimeZerofromTOF();
+
+ AliDebug(1,Form("Use Time Zero?: %d",usetimeZero));
+ AliDebug(1,Form("Time Zero from T0? : %d",timeZeroFromT0));
+ AliDebug(1,Form("Time Zero From TOF? : %d",timeZeroFromTOF));
+
+ if(usetimeZero){
+ if(timeZeroFromT0){
+ timeZero=GetTimeZerofromT0(event);
+ }
+ if(timeZeroFromTOF && (timeZero>timeZeroMax || !timeZeroFromT0)){
+ timeZero=GetTimeZerofromTOF(event);
+ }
+ }
+ AliDebug(2,Form("time Zero used in PID: %f",timeZero));
+ //Make TOF PID
+ fPid->MakePID(event,timeZero);
+
+ fSeeds->Clear();
+ fTracks->Clear();
+ return 0;
+
+}
+//_________________________________________________________________________
+void AliTOFtracker::CollectESD() {
+ //prepare the set of ESD tracks to be matched to clusters in TOF
+
+ Int_t seedsTOF1=0;
+ Int_t seedsTOF2=0;
+
+ TClonesArray &aTOFTrack = *fTracks;
+ for (Int_t i=0; i<fNseeds; i++) {
+
+ AliESDtrack *t =(AliESDtrack*)fSeeds->UncheckedAt(i);
+ if ((t->GetStatus()&AliESDtrack::kTPCout)==0)continue;
+
+ // TRD 'good' tracks, already propagated at 372 cm
+
+ AliTOFtrack *track = new AliTOFtrack(*t); // New
+ Double_t x = track->GetX(); //New
+ if (((t->GetStatus()&AliESDtrack::kTRDout)!=0 ) &&
+ ( x >= AliTOFGeometry::RinTOF()) ){
+ track->SetSeedIndex(i);
+ t->UpdateTrackParams(track,AliESDtrack::kTOFout);
+ new(aTOFTrack[fNseedsTOF]) AliTOFtrack(*track);
+ fNseedsTOF++;
+ seedsTOF1++;
+ delete track;
+ }
+
+ // Propagate the rest of TPCbp
+
+ else {
+ if(track->PropagateToInnerTOF()){
+ track->SetSeedIndex(i);
+ t->UpdateTrackParams(track,AliESDtrack::kTOFout);
+ new(aTOFTrack[fNseedsTOF]) AliTOFtrack(*track);
+ fNseedsTOF++;
+ seedsTOF2++;
+ }
+ delete track;
+ }
+ }
+
+ AliInfo(Form("Number of TOF seeds %i",fNseedsTOF));
+ AliInfo(Form("Number of TOF seeds Type 1 %i",seedsTOF1));
+ AliInfo(Form("Number of TOF seeds Type 2 %i",seedsTOF2));
+
+ // Sort according uncertainties on track position
+ fTracks->Sort();
+
+}
+//_________________________________________________________________________
+void AliTOFtracker::MatchTracks( Bool_t mLastStep){
+
+
+ // Parameters used/regulating the reconstruction
+
+ static Float_t corrLen=0.75;
+ static Float_t detDepth=15.3;
+ static Float_t padDepth=0.5;
+
+ Float_t dY=AliTOFGeometry::XPad();
+ Float_t dZ=AliTOFGeometry::ZPad();
+
+ Float_t sensRadius = fRecoParam->GetSensRadius();
+ Float_t stepSize = fRecoParam->GetStepSize();
+ Float_t scaleFact = fRecoParam->GetWindowScaleFact();
+ Float_t dyMax=fRecoParam->GetWindowSizeMaxY();
+ Float_t dzMax=fRecoParam->GetWindowSizeMaxZ();
+ Float_t dCut=fRecoParam->GetDistanceCut();
+ Double_t maxChi2=fRecoParam->GetMaxChi2TRD();
+ Bool_t timeWalkCorr = fRecoParam->GetTimeWalkCorr();
+ if(!mLastStep){
+ AliDebug(1,"++++++++++++++TOF Reconstruction Parameters:++++++++++++ \n");
+ AliDebug(1,Form("TOF sens radius: %f",sensRadius));
+ AliDebug(1,Form("TOF step size: %f",stepSize));
+ AliDebug(1,Form("TOF Window scale factor: %f",scaleFact));
+ AliDebug(1,Form("TOF Window max dy: %f",dyMax));
+ AliDebug(1,Form("TOF Window max dz: %f",dzMax));
+ AliDebug(1,Form("TOF distance Cut: %f",dCut));
+ AliDebug(1,Form("TOF Max Chi2: %f",maxChi2));
+ AliDebug(1,Form("Time Walk Correction? : %d",timeWalkCorr));
+ }
+ //Match ESD tracks to clusters in TOF
+
+
+ // Get the number of propagation steps
+
+ Int_t nSteps=(Int_t)(detDepth/stepSize);
+
+ //PH Arrays (moved outside of the loop)
+
+ Float_t * trackPos[4];
+ for (Int_t ii=0; ii<4; ii++) trackPos[ii] = new Float_t[nSteps];
+ Int_t * clind = new Int_t[fN];
+
+ for (Int_t iseed=0; iseed<fNseedsTOF; iseed++) {
+
+ AliTOFtrack *track =(AliTOFtrack*)fTracks->UncheckedAt(iseed);
+ AliESDtrack *t =(AliESDtrack*)fSeeds->UncheckedAt(track->GetSeedIndex());
+ if(t->GetTOFsignal()>0. ) continue;
+ AliTOFtrack *trackTOFin =new AliTOFtrack(*track);
+
+ // Some init
+
+ Int_t index[10000];
+ Float_t dist[10000];
+ Float_t distZ[10000];
+ Float_t cxpos[10000];
+ Float_t crecL[10000];
+ TGeoHMatrix global[1000];
+
+ // Determine a window around the track
+
+ Double_t x,par[5];
+ trackTOFin->GetExternalParameters(x,par);
+ Double_t cov[15];
+ trackTOFin->GetExternalCovariance(cov);
+
+ Double_t dphi=
+ scaleFact*
+ ((5*TMath::Sqrt(cov[0]) + 0.5*dY + 2.5*TMath::Abs(par[2]))/sensRadius);
+ Double_t dz=
+ scaleFact*
+ (5*TMath::Sqrt(cov[2]) + 0.5*dZ + 2.5*TMath::Abs(par[3]));
+
+ Double_t phi=TMath::ATan2(par[0],x) + trackTOFin->GetAlpha();
+ if (phi<-TMath::Pi())phi+=2*TMath::Pi();
+ if (phi>=TMath::Pi())phi-=2*TMath::Pi();
+ Double_t z=par[1];
+
+ //upper limit on window's size.
+
+ if(dz> dzMax) dz=dzMax;
+ if(dphi*sensRadius> dyMax) dphi=dyMax/sensRadius;
+
+
+ Int_t nc=0;
+
+ // find the clusters in the window of the track
+
+ for (Int_t k=FindClusterIndex(z-dz); k<fN; k++) {
+
+ AliTOFcluster *c=fClusters[k];
+ if (c->GetZ() > z+dz) break;
+ if (c->IsUsed()) continue;
+
+ if (!c->GetStatus()) {
+ AliDebug(1,"Cluster in channel declared bad!");
+ continue; // skip bad channels as declared in OCDB
+ }
+
+ Double_t dph=TMath::Abs(c->GetPhi()-phi);
+ if (dph>TMath::Pi()) dph-=2.*TMath::Pi();
+ if (TMath::Abs(dph)>dphi) continue;
+
+ Double_t yc=(c->GetPhi() - trackTOFin->GetAlpha())*c->GetR();
+ Double_t p[2]={yc, c->GetZ()};
+ Double_t cov2[3]= {dY*dY/12., 0., dZ*dZ/12.};
+ if (trackTOFin->AliExternalTrackParam::GetPredictedChi2(p,cov2) > maxChi2)continue;
+
+ clind[nc] = k;
+ Char_t path[100];
+ Int_t ind[5];
+ ind[0]=c->GetDetInd(0);
+ ind[1]=c->GetDetInd(1);
+ ind[2]=c->GetDetInd(2);
+ ind[3]=c->GetDetInd(3);
+ ind[4]=c->GetDetInd(4);
+ fGeom->GetVolumePath(ind,path);
+ gGeoManager->cd(path);
+ global[nc] = *gGeoManager->GetCurrentMatrix();
+ nc++;
+ }
+
+ //start fine propagation
+
+ Int_t nStepsDone = 0;
+ for( Int_t istep=0; istep<nSteps; istep++){
+
+ Float_t xs=AliTOFGeometry::RinTOF()+istep*0.1;
+ Double_t ymax=xs*TMath::Tan(0.5*AliTOFGeometry::GetAlpha());
+
+ Bool_t skip=kFALSE;
+ Double_t ysect=trackTOFin->GetYat(xs,skip);
+ if (skip) break;
+ if (ysect > ymax) {
+ if (!trackTOFin->Rotate(AliTOFGeometry::GetAlpha())) {
+ break;
+ }
+ } else if (ysect <-ymax) {
+ if (!trackTOFin->Rotate(AliTOFGeometry::GetAlpha())) {
+ break;
+ }
+ }
+
+ if(!trackTOFin->PropagateTo(xs)) {
+ break;
+ }
+
+ nStepsDone++;
+
+ // store the running point (Globalrf) - fine propagation
+
+ Double_t r[3];
+ trackTOFin->GetXYZ(r);
+ trackPos[0][istep]= (Float_t) r[0];
+ trackPos[1][istep]= (Float_t) r[1];
+ trackPos[2][istep]= (Float_t) r[2];
+ trackPos[3][istep]= trackTOFin->GetIntegratedLength();
+ }
+
+
+ Int_t nfound = 0;
+ Bool_t accept = kFALSE;
+ Bool_t isInside =kFALSE;
+ for (Int_t istep=0; istep<nStepsDone; istep++) {
+
+ Float_t ctrackPos[3];
+
+ ctrackPos[0]= trackPos[0][istep];
+ ctrackPos[1]= trackPos[1][istep];
+ ctrackPos[2]= trackPos[2][istep];
+
+ //now see whether the track matches any of the TOF clusters
+
+ Float_t dist3d[3];
+ accept=kFALSE;
+ for (Int_t i=0; i<nc; i++){
+ isInside=fGeom->IsInsideThePad(global[i],ctrackPos,dist3d);
+
+ if( mLastStep){
+ Float_t xLoc=dist3d[0];
+ Float_t rLoc=TMath::Sqrt(dist3d[1]*dist3d[1]+dist3d[2]*dist3d[2]);
+ accept = (TMath::Abs(xLoc)<padDepth*0.5 && rLoc<dCut);
+ }
+ else{
+ accept = isInside;
+ }
+ if(accept){
+ dist[nfound]=TMath::Sqrt(dist3d[0]*dist3d[0]+dist3d[1]*dist3d[1]+dist3d[2]*dist3d[2]);
+ distZ[nfound]=dist3d[2];
+ crecL[nfound]=trackPos[3][istep];
+ index[nfound]=clind[i]; // store cluster id
+ cxpos[nfound]=AliTOFGeometry::RinTOF()+istep*0.1; //store prop.radius
+ nfound++;
+ if(accept &&!mLastStep)break;
+ }//end if accept
+ } //end for on the clusters
+ if(accept &&!mLastStep)break;
+ } //end for on the steps
+
+
+
+ if (nfound == 0 ) {
+ fnunmatch++;
+ delete trackTOFin;
+ continue;
+ }
+
+ fnmatch++;
+
+ // now choose the cluster to be matched with the track.
+
+ Int_t idclus=-1;
+ Float_t recL = 0.;
+ Float_t xpos=0.;
+ Float_t mindist=1000.;
+ Float_t mindistZ=0.;
+ for (Int_t iclus= 0; iclus<nfound;iclus++){
+ if (dist[iclus]< mindist){
+ mindist = dist[iclus];
+ mindistZ = distZ[iclus];
+ xpos = cxpos[iclus];
+ idclus =index[iclus];
+ recL=crecL[iclus]+corrLen*0.5;
+ }
+ }
+
+
+ AliTOFcluster *c=fClusters[idclus];
+
+ AliDebug(2, Form("%7i %7i %10i %10i %10i %10i %7i",
+ iseed,
+ fnmatch-1,
+ TMath::Abs(trackTOFin->GetLabel()),
+ c->GetLabel(0), c->GetLabel(1), c->GetLabel(2),
+ idclus)); // AdC
+
+ c->Use();
+
+ // Track length correction for matching Step 2
+
+ if(mLastStep){
+ Float_t rc=TMath::Sqrt(c->GetR()*c->GetR() + c->GetZ()*c->GetZ());
+ Float_t rt=TMath::Sqrt(trackPos[0][70]*trackPos[0][70]
+ +trackPos[1][70]*trackPos[1][70]
+ +trackPos[2][70]*trackPos[2][70]);
+ Float_t dlt=rc-rt;
+ recL=trackPos[3][70]+dlt;
+ }
+
+ if (
+ (c->GetLabel(0)==TMath::Abs(trackTOFin->GetLabel()))
+ ||
+ (c->GetLabel(1)==TMath::Abs(trackTOFin->GetLabel()))
+ ||
+ (c->GetLabel(2)==TMath::Abs(trackTOFin->GetLabel()))
+ ) {
+ fngoodmatch++;
+
+ AliDebug(2,Form(" track label good %5i",trackTOFin->GetLabel()));
+
+ }
+ else{
+ fnbadmatch++;
+
+ AliDebug(2,Form(" track label bad %5i",trackTOFin->GetLabel()));
+
+ }
+
+ delete trackTOFin;
+
+ // Store quantities to be used in the TOF Calibration
+ Float_t tToT=AliTOFGeometry::ToTBinWidth()*c->GetToT()*1E-3; // in ns
+ t->SetTOFsignalToT(tToT);
+ Float_t rawTime=AliTOFGeometry::TdcBinWidth()*c->GetTDCRAW()+32; // RAW time,in ps
+ t->SetTOFsignalRaw(rawTime);
+ t->SetTOFsignalDz(mindistZ);
+ AliDebug(2,Form(" Setting TOF raw time: %f, z distance: %f time: %f = ",rawTime,mindistZ));
+ Int_t ind[5];
+ ind[0]=c->GetDetInd(0);
+ ind[1]=c->GetDetInd(1);
+ ind[2]=c->GetDetInd(2);
+ ind[3]=c->GetDetInd(3);
+ ind[4]=c->GetDetInd(4);
+ Int_t calindex = AliTOFGeometry::GetIndex(ind);
+ t->SetTOFCalChannel(calindex);
+
+ // keep track of the track labels in the matched cluster
+ Int_t tlab[3];
+ tlab[0]=c->GetLabel(0);
+ tlab[1]=c->GetLabel(1);
+ tlab[2]=c->GetLabel(2);
+ AliDebug(2,Form(" tdc time of the matched track %i = ",c->GetTDC()));
+ Double_t tof=AliTOFGeometry::TdcBinWidth()*c->GetTDC()+32; // in ps
+ AliDebug(2,Form(" tof time of the matched track: %f = ",tof));
+ Double_t tofcorr=tof;
+ if(timeWalkCorr)tofcorr=CorrectTimeWalk(mindistZ,tof);
+ AliDebug(2,Form(" tof time of the matched track, after TW corr: %f = ",tofcorr));
+ //Set TOF time signal and pointer to the matched cluster
+ t->SetTOFsignal(tofcorr);
+ t->SetTOFcluster(idclus); // pointing to the recPoints tree
+
+ //Tracking info
+ Double_t time[AliPID::kSPECIES]; t->GetIntegratedTimes(time);
+ Double_t mom=t->GetP();
+ for(Int_t j=0;j<AliPID::kSPECIES;j++){
+ Double_t mass=AliPID::ParticleMass(j);
+ time[j]+=(recL-trackPos[3][0])/3e-2*TMath::Sqrt(mom*mom+mass*mass)/mom;
+ }
+
+ AliTOFtrack *trackTOFout = new AliTOFtrack(*t);
+ trackTOFout->PropagateTo(xpos);
+ t->UpdateTrackParams(trackTOFout,AliESDtrack::kTOFout);
+ t->SetIntegratedLength(recL);
+ t->SetIntegratedTimes(time);
+ t->SetTOFLabel(tlab);
+
+
+ // Fill Reco-QA histos for Reconstruction
+ fHRecNClus->Fill(nc);
+ fHRecDist->Fill(mindist);
+ fHRecSigYVsP->Fill(mom,TMath::Sqrt(cov[0]));
+ fHRecSigZVsP->Fill(mom,TMath::Sqrt(cov[2]));
+ fHRecSigYVsPWin->Fill(mom,dphi*sensRadius);
+ fHRecSigZVsPWin->Fill(mom,dz);
+
+ // Fill Tree for on-the-fly offline Calibration
+
+ if ( !((t->GetStatus() & AliESDtrack::kTIME)==0 )){
+ fIch=calindex;
+ fToT=tToT;
+ fTime=rawTime;
+ fExpTimePi=time[2];
+ fExpTimeKa=time[3];
+ fExpTimePr=time[4];
+ fCalTree->Fill();
+ }
+ delete trackTOFout;
+ }
+ for (Int_t ii=0; ii<4; ii++) delete [] trackPos[ii];
+ delete [] clind;
+
+}
+//_________________________________________________________________________
+Int_t AliTOFtracker::LoadClusters(TTree *cTree) {
+ //--------------------------------------------------------------------
+ //This function loads the TOF clusters
+ //--------------------------------------------------------------------
+
+ Int_t npadX = AliTOFGeometry::NpadX();
+ Int_t npadZ = AliTOFGeometry::NpadZ();
+ Int_t nStripA = AliTOFGeometry::NStripA();
+ Int_t nStripB = AliTOFGeometry::NStripB();
+ Int_t nStripC = AliTOFGeometry::NStripC();
+
+ TBranch *branch=cTree->GetBranch("TOF");
+ if (!branch) {
+ AliError("can't get the branch with the TOF clusters !");
+ return 1;
+ }
+
+ static TClonesArray dummy("AliTOFcluster",10000);
+ dummy.Clear();
+ TClonesArray *clusters=&dummy;
+ branch->SetAddress(&clusters);
+
+ cTree->GetEvent(0);
+ Int_t nc=clusters->GetEntriesFast();
+ fHDigNClus->Fill(nc);
+
+ AliInfo(Form("Number of clusters: %d",nc));
+
+ for (Int_t i=0; i<nc; i++) {
+ AliTOFcluster *c=(AliTOFcluster*)clusters->UncheckedAt(i);
+ fClusters[i]=new AliTOFcluster(*c); fN++;
+
+ // Fill Digits QA histos
+
+ Int_t isector = c->GetDetInd(0);
+ Int_t iplate = c->GetDetInd(1);
+ Int_t istrip = c->GetDetInd(2);
+ Int_t ipadX = c->GetDetInd(4);
+ Int_t ipadZ = c->GetDetInd(3);
+
+ Float_t time =(AliTOFGeometry::TdcBinWidth()*c->GetTDC())*1E-3; // in ns
+ Float_t tot = (AliTOFGeometry::TdcBinWidth()*c->GetToT())*1E-3;//in ns
+
+ Int_t stripOffset = 0;
+ switch (iplate) {
+ case 0:
+ stripOffset = 0;
+ break;
+ case 1:
+ stripOffset = nStripC;
+ break;
+ case 2:
+ stripOffset = nStripC+nStripB;
+ break;
+ case 3:
+ stripOffset = nStripC+nStripB+nStripA;
+ break;
+ case 4:
+ stripOffset = nStripC+nStripB+nStripA+nStripB;
+ break;
+ default:
+ AliError(Form("Wrong plate number in TOF (%d) !",iplate));
+ break;
+ };
+ Int_t zindex=npadZ*(istrip+stripOffset)+(ipadZ+1);
+ Int_t phiindex=npadX*isector+ipadX+1;
+ fHDigClusMap->Fill(zindex,phiindex);
+ fHDigClusTime->Fill(time);
+ fHDigClusToT->Fill(tot);
+
+ }
+
+
+ return 0;
+}
+//_________________________________________________________________________
+void AliTOFtracker::UnloadClusters() {
+ //--------------------------------------------------------------------
+ //This function unloads TOF clusters
+ //--------------------------------------------------------------------
+ for (Int_t i=0; i<fN; i++) {
+ delete fClusters[i];
+ fClusters[i] = 0x0;
+ }
+ fN=0;
+}
+
+//_________________________________________________________________________
+Int_t AliTOFtracker::FindClusterIndex(Double_t z) const {
+ //--------------------------------------------------------------------
+ // This function returns the index of the nearest cluster
+ //--------------------------------------------------------------------
+ if (fN==0) return 0;
+ if (z <= fClusters[0]->GetZ()) return 0;
+ if (z > fClusters[fN-1]->GetZ()) return fN;
+ Int_t b=0, e=fN-1, m=(b+e)/2;
+ for (; b<e; m=(b+e)/2) {
+ if (z > fClusters[m]->GetZ()) b=m+1;
+ else e=m;
+ }
+ return m;
+}
+
+//_________________________________________________________________________
+Bool_t AliTOFtracker::GetTrackPoint(Int_t index, AliTrackPoint& p) const
+{
+ // Get track space point with index i
+ // Coordinates are in the global system
+ AliTOFcluster *cl = fClusters[index];
+ Float_t xyz[3];
+ xyz[0] = cl->GetR()*TMath::Cos(cl->GetPhi());
+ xyz[1] = cl->GetR()*TMath::Sin(cl->GetPhi());
+ xyz[2] = cl->GetZ();
+ Float_t phiangle = (Int_t(cl->GetPhi()*TMath::RadToDeg()/20.)+0.5)*20.*TMath::DegToRad();
+ Float_t sinphi = TMath::Sin(phiangle), cosphi = TMath::Cos(phiangle);
+ Float_t tiltangle = AliTOFGeometry::GetAngles(cl->GetDetInd(1),cl->GetDetInd(2))*TMath::DegToRad();
+ Float_t sinth = TMath::Sin(tiltangle), costh = TMath::Cos(tiltangle);
+ Float_t sigmay2 = AliTOFGeometry::XPad()*AliTOFGeometry::XPad()/12.;
+ Float_t sigmaz2 = AliTOFGeometry::ZPad()*AliTOFGeometry::ZPad()/12.;
+ Float_t cov[6];
+ cov[0] = sinphi*sinphi*sigmay2 + cosphi*cosphi*sinth*sinth*sigmaz2;
+ cov[1] = -sinphi*cosphi*sigmay2 + sinphi*cosphi*sinth*sinth*sigmaz2;
+ cov[2] = -cosphi*sinth*costh*sigmaz2;
+ cov[3] = cosphi*cosphi*sigmay2 + sinphi*sinphi*sinth*sinth*sigmaz2;
+ cov[4] = -sinphi*sinth*costh*sigmaz2;
+ cov[5] = costh*costh*sigmaz2;
+ p.SetXYZ(xyz[0],xyz[1],xyz[2],cov);
+
+ // Detector numbering scheme
+ Int_t nSector = AliTOFGeometry::NSectors();
+ Int_t nPlate = AliTOFGeometry::NPlates();
+ Int_t nStripA = AliTOFGeometry::NStripA();
+ Int_t nStripB = AliTOFGeometry::NStripB();
+ Int_t nStripC = AliTOFGeometry::NStripC();
+
+ Int_t isector = cl->GetDetInd(0);
+ if (isector >= nSector)
+ AliError(Form("Wrong sector number in TOF (%d) !",isector));
+ Int_t iplate = cl->GetDetInd(1);
+ if (iplate >= nPlate)
+ AliError(Form("Wrong plate number in TOF (%d) !",iplate));
+ Int_t istrip = cl->GetDetInd(2);
+
+ Int_t stripOffset = 0;
+ switch (iplate) {
+ case 0:
+ stripOffset = 0;
+ break;
+ case 1:
+ stripOffset = nStripC;
+ break;
+ case 2:
+ stripOffset = nStripC+nStripB;
+ break;
+ case 3:
+ stripOffset = nStripC+nStripB+nStripA;
+ break;
+ case 4:
+ stripOffset = nStripC+nStripB+nStripA+nStripB;
+ break;
+ default:
+ AliError(Form("Wrong plate number in TOF (%d) !",iplate));
+ break;
+ };
+
+ Int_t idet = (2*(nStripC+nStripB)+nStripA)*isector +
+ stripOffset +
+ istrip;
+ UShort_t volid = AliGeomManager::LayerToVolUID(AliGeomManager::kTOF,idet);
+ p.SetVolumeID((UShort_t)volid);
+ return kTRUE;
+}
+//_________________________________________________________________________
+void AliTOFtracker::InitCheckHists() {
+
+ //Init histos for Digits/Reco QA and Calibration
+
+
+ TDirectory *dir = gDirectory;
+ TFile *logFileTOF = 0;
+
+ TSeqCollection *list = gROOT->GetListOfFiles();
+ int n = list->GetEntries();
+ Bool_t isThere=kFALSE;
+ for(int i=0; i<n; i++) {
+ logFileTOF = (TFile*)list->At(i);
+ if (strstr(logFileTOF->GetName(), "TOFQA.root")){
+ isThere=kTRUE;
+ break;
+ }
+ }
+
+ if(!isThere)logFileTOF = new TFile( "TOFQA.root","RECREATE");
+ logFileTOF->cd();
+
+ fCalTree = new TTree("CalTree", "Tree for TOF calibration");
+ fCalTree->Branch("TOFchannelindex",&fIch,"iTOFch/I");
+ fCalTree->Branch("ToT",&fToT,"TOFToT/F");
+ fCalTree->Branch("TOFtime",&fTime,"TOFtime/F");
+ fCalTree->Branch("PionExpTime",&fExpTimePi,"PiExpTime/F");
+ fCalTree->Branch("KaonExpTime",&fExpTimeKa,"KaExpTime/F");
+ fCalTree->Branch("ProtonExpTime",&fExpTimePr,"PrExpTime/F");
+
+ //Digits "QA"
+ fHDigClusMap = new TH2F("TOFDig_ClusMap", "",182,0.5,182.5,864, 0.5,864.5);
+ fHDigNClus = new TH1F("TOFDig_NClus", "",200,0.5,200.5);
+ fHDigClusTime = new TH1F("TOFDig_ClusTime", "",2000,0.,200.);
+ fHDigClusToT = new TH1F("TOFDig_ClusToT", "",500,0.,100);
+
+ //Reco "QA"
+ fHRecNClus =new TH1F("TOFRec_NClusW", "",50,0.5,50.5);
+ fHRecDist=new TH1F("TOFRec_Dist", "",50,0.5,10.5);
+ fHRecSigYVsP=new TH2F("TOFDig_SigYVsP", "",40,0.,4.,100, 0.,5.);
+ fHRecSigZVsP=new TH2F("TOFDig_SigZVsP", "",40,0.,4.,100, 0.,5.);
+ fHRecSigYVsPWin=new TH2F("TOFDig_SigYVsPWin", "",40,0.,4.,100, 0.,50.);
+ fHRecSigZVsPWin=new TH2F("TOFDig_SigZVsPWin", "",40,0.,4.,100, 0.,50.);
+
+ dir->cd();
+
+}
+
+//_________________________________________________________________________
+void AliTOFtracker::SaveCheckHists() {
+
+ //write histos for Digits/Reco QA and Calibration
+
+ TDirectory *dir = gDirectory;
+ TFile *logFileTOF = 0;
+
+ TSeqCollection *list = gROOT->GetListOfFiles();
+ int n = list->GetEntries();
+ Bool_t isThere=kFALSE;
+ for(int i=0; i<n; i++) {
+ logFileTOF = (TFile*)list->At(i);
+ if (strstr(logFileTOF->GetName(), "TOFQA.root")){
+ isThere=kTRUE;
+ break;
+ }
+ }
+
+ if(!isThere) {
+ AliError(Form("File TOFQA.root not found!! not wring histograms...."));
+ return;
+ }
+ logFileTOF->cd();
+ fHDigClusMap->Write(fHDigClusMap->GetName(), TObject::kOverwrite);
+ fHDigNClus->Write(fHDigNClus->GetName(), TObject::kOverwrite);
+ fHDigClusTime->Write(fHDigClusTime->GetName(), TObject::kOverwrite);
+ fHDigClusToT->Write(fHDigClusToT->GetName(), TObject::kOverwrite);
+ fHRecNClus->Write(fHRecNClus->GetName(), TObject::kOverwrite);
+ fHRecDist->Write(fHRecDist->GetName(), TObject::kOverwrite);
+ fHRecSigYVsP->Write(fHRecSigYVsP->GetName(), TObject::kOverwrite);
+ fHRecSigZVsP->Write(fHRecSigZVsP->GetName(), TObject::kOverwrite);
+ fHRecSigYVsPWin->Write(fHRecSigYVsPWin->GetName(), TObject::kOverwrite);
+ fHRecSigZVsPWin->Write(fHRecSigZVsPWin->GetName(), TObject::kOverwrite);
+ fCalTree->Write(fCalTree->GetName(),TObject::kOverwrite);
+ logFileTOF->Flush();
+
+ dir->cd();
+ }
+//_________________________________________________________________________
+Float_t AliTOFtracker::CorrectTimeWalk( Float_t dist, Float_t tof) {
+
+ //dummy, for the moment
+ Float_t tofcorr=0.;
+ if(dist<AliTOFGeometry::ZPad()*0.5){
+ tofcorr=tof;
+ //place here the actual correction
+ }else{
+ tofcorr=tof;
+ }
+ return tofcorr;
+}
+//_________________________________________________________________________
+Float_t AliTOFtracker::GetTimeZerofromT0(AliESDEvent *event) const {
+
+ //Returns TimeZero as measured by T0 detector
+
+ return event->GetT0();
+}
+//_________________________________________________________________________
+Float_t AliTOFtracker::GetTimeZerofromTOF(AliESDEvent * /*event*/) const {
+
+ //dummy, for the moment. T0 algorithm using tracks on TOF
+ {
+ //place T0 algo here...
+ }
+ return 0.;
+}
+//_________________________________________________________________________
+
+void AliTOFtracker::FillClusterArray(TObjArray* arr) const
+{
+ //
+ // Returns the TOF cluster array
+ //
+
+ if (fN==0)
+ arr = 0x0;
+ else
+ for (Int_t i=0; i<fN; ++i) arr->Add(fClusters[i]);
+
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff