#include "AliTrackPointArray.h"
#include "AliTOFcalib.h"
+#include "AliTOFRecoParam.h"
#include "AliTOFcluster.h"
-#include "AliTOFGeometry.h"
+#include "AliTOFGeometryV5.h"
#include "AliTOFtracker.h"
#include "AliTOFtrack.h"
extern TGeoManager *gGeoManager;
+extern TROOT *gROOT;
ClassImp(AliTOFtracker)
//_____________________________________________________________________________
-AliTOFtracker::AliTOFtracker(AliTOFGeometry * geom, Double_t parPID[2]):
- fGeom(geom),
- fTOFpid(new AliTOFpidESD(parPID)),
- fHoles(kFALSE),
+AliTOFtracker::AliTOFtracker():
+ fRecoParam(0x0),
+ fGeom(0x0),
+ fPid(0x0),
fN(0),
fNseeds(0),
fNseedsTOF(0),
fnbadmatch(0),
fnunmatch(0),
fnmatch(0),
- fR(378.),
- fTOFHeigth(15.3),
- fdCut(3.),
- fDx(1.5),
- fDy(0),
- fDz(0),
- fDzMax(35.),
- fDyMax(50.),
fTracks(0x0),
fSeeds(0x0),
fHDigClusMap(0x0),
fExpTimePr(-1.)
{
//AliTOFtracker main Ctor
+
+ // Gettimg the geometry
+ fGeom=new AliTOFGeometryV5();
+ // Read the reconstruction parameters from the OCDB
+ AliTOFcalib *calib = new AliTOFcalib(fGeom);
+ fRecoParam = (AliTOFRecoParam*)calib->ReadRecParFromCDB("TOF/Calib",-1);
+ if(fRecoParam->GetApplyPbPbCuts())fRecoParam=fRecoParam->GetPbPbparam();
+ Double_t parPID[2];
+ parPID[0]=fRecoParam->GetTimeResolution();
+ parPID[1]=fRecoParam->GetTimeNSigma();
+ fPid=new AliTOFpidESD(parPID);
+ InitCheckHists();
- fDy=AliTOFGeometry::XPad();
- fDz=AliTOFGeometry::ZPad();
}
//_____________________________________________________________________________
AliTOFtracker::AliTOFtracker(const AliTOFtracker &t):
AliTracker(),
+ fRecoParam(0x0),
fGeom(0x0),
- fTOFpid(0x0),
- fHoles(kFALSE),
+ fPid(0x0),
fN(0),
fNseeds(0),
fNseedsTOF(0),
fnbadmatch(0),
fnunmatch(0),
fnmatch(0),
- fR(378.),
- fTOFHeigth(15.3),
- fdCut(3.),
- fDx(1.5),
- fDy(0),
- fDz(0),
- fDzMax(35.),
- fDyMax(50.),
fTracks(0x0),
fSeeds(0x0),
fHDigClusMap(0x0),
{
//AliTOFtracker copy Ctor
- fHoles=t.fHoles;
+ fNseeds=t.fNseeds;
fNseeds=t.fNseeds;
fNseedsTOF=t.fNseedsTOF;
fngoodmatch=t.fngoodmatch;
fnbadmatch=t.fnbadmatch;
fnunmatch=t.fnunmatch;
fnmatch=t.fnmatch;
- fGeom = t.fGeom;
- fTOFpid = t.fTOFpid;
- fR=t.fR;
- fTOFHeigth=t.fTOFHeigth;
- fdCut=t.fdCut;
- fDy=t.fDy;
- fDz=t.fDz;
- fDx=t.fDx;
- fDzMax=t.fDzMax;
- fDyMax=t.fDyMax;
+ fRecoParam=t.fRecoParam;
+ fGeom=t.fGeom;
+ fPid=t.fPid;
fSeeds=t.fSeeds;
fTracks=t.fTracks;
fN=t.fN;
{
//AliTOFtracker assignment operator
- this->fHoles=t.fHoles;
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->fTOFpid = t.fTOFpid;
- this->fR=t.fR;
- this->fTOFHeigth=t.fTOFHeigth;
- this->fdCut=t.fdCut;
- this->fDy=t.fDy;
- this->fDz=t.fDz;
- this->fDx=t.fDx;
- this->fDzMax=t.fDzMax;
- this->fDyMax=t.fDyMax;
+ this->fPid = t.fPid;
this->fSeeds=t.fSeeds;
this->fTracks=t.fTracks;
this->fN=t.fN;
//
// Dtor
//
+
SaveCheckHists();
- delete fTOFpid;
+
+ delete fRecoParam;
+ delete fGeom;
+ delete fPid;
delete fHDigClusMap;
delete fHDigNClus;
delete fHDigClusTime;
//First Step with Strict Matching Criterion
MatchTracks(kFALSE);
- /*
- for (Int_t ijk=0; ijk<fN; ijk++) {
- AliInfo(Form("%4i %4i %f %f %f %f %f %2i %1i %2i %1i %2i",ijk, fClusters[ijk]->GetIndex(),fClusters[ijk]->GetZ(),fClusters[ijk]->GetR(),fClusters[ijk]->GetPhi(), fClusters[ijk]->GetTDC(),fClusters[ijk]->GetADC(),fClusters[ijk]->GetDetInd(0),fClusters[ijk]->GetDetInd(1),fClusters[ijk]->GetDetInd(2),fClusters[ijk]->GetDetInd(3),fClusters[ijk]->GetDetInd(4)));
- }
- */
//Second Step with Looser Matching Criterion
MatchTracks(kTRUE);
}
}
+ //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
- fTOFpid->MakePID(event);
+ fPid->MakePID(event,timeZero);
if (fSeeds) {
fSeeds->Delete();
// Propagate the rest of TPCbp
else {
- if(track->PropagateToInnerTOF(fHoles)){ // temporary solution
- // if(track->PropagateToInnerTOF(fGeom->GetHoles())){
+ if(track->PropagateToInnerTOF()){
track->SetSeedIndex(i);
t->UpdateTrackParams(track,AliESDtrack::kTOFout);
new(aTOFTrack[fNseedsTOF]) AliTOFtrack(*track);
//_________________________________________________________________________
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=fGeom->XPad();
+ Float_t dZ=fGeom->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->GetMaxChi2();
+ 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
- Int_t nSteps=(Int_t)(fTOFHeigth/0.1);
+ // Get the number of propagation steps
+
+ Int_t nSteps=(Int_t)(detDepth/stepSize);
AliTOFcalib *calib = new AliTOFcalib(fGeom);
+
//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[6];
Int_t index[10000];
Float_t dist[10000];
+ Float_t distZ[10000];
Float_t cxpos[10000];
Float_t crecL[10000];
TGeoHMatrix global[1000];
Double_t cov[15];
trackTOFin->GetExternalCovariance(cov);
- Float_t scalefact=3.;
Double_t dphi=
- scalefact*
- ((5*TMath::Sqrt(cov[0]) + 0.5*fDy + 2.5*TMath::Abs(par[2]))/fR);
+ 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*fDz + 2.5*TMath::Abs(par[3]));
+ 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();
//upper limit on window's size.
- if(dz> fDzMax) dz=fDzMax;
- if(dphi*fR>fDyMax) dphi=fDyMax/fR;
+ if(dz> dzMax) dz=dzMax;
+ if(dphi*sensRadius> dyMax) dphi=dyMax/sensRadius;
Int_t nc=0;
if (c->IsUsed()) continue;
if (!c->GetStatus()) continue; // skip bad channels as declared in OCDB
-
- //AliInfo(Form(" fClusters[k]->GetZ() (%f) z-dz (%f) %4i ", fClusters[k]->GetZ(), z-dz, k));
Double_t dph=TMath::Abs(c->GetPhi()-phi);
if (dph>TMath::Pi()) dph-=2.*TMath::Pi();
if (TMath::Abs(dph)>dphi) continue;
- {
- //Double_t maxChi2=150.; // "calibration constant". Needs to be tuned.
Double_t yc=(c->GetPhi() - trackTOFin->GetAlpha())*c->GetR();
Double_t p[2]={yc, c->GetZ()};
- Double_t cov[3]={fDy*fDy/12., 0., fDz*fDz/12.};
- if (trackTOFin->AliExternalTrackParam::GetPredictedChi2(p,cov) > 150.)
- continue;
- }
+ Double_t cov[3]= {dY*dY/12., 0., dZ*dZ/12.};
+ if (trackTOFin->AliExternalTrackParam::GetPredictedChi2(p,cov) > maxChi2)continue;
clind[0][nc] = c->GetDetInd(0);
clind[1][nc] = c->GetDetInd(1);
nc++;
}
- //if (nc) AliInfo(Form("seed for TOF %4i and number of clusters in the track window %4i (cluster index %4i) %4i",i,nc, clind[5][0], fN));
-
//start fine propagation
Int_t nStepsDone = 0;
for( Int_t istep=0; istep<nSteps; istep++){
Float_t xs=fGeom->RinTOF()+istep*0.1;
- Double_t ymax=xs*TMath::Tan(0.5*AliTOFGeometry::GetAlpha());
+ Double_t ymax=xs*TMath::Tan(0.5*fGeom->GetAlpha());
Bool_t skip=kFALSE;
Double_t ysect=trackTOFin->GetYat(xs,skip);
if (skip) break;
if (ysect > ymax) {
- if (!trackTOFin->Rotate(AliTOFGeometry::GetAlpha())) {
+ if (!trackTOFin->Rotate(fGeom->GetAlpha())) {
break;
}
} else if (ysect <-ymax) {
- if (!trackTOFin->Rotate(-AliTOFGeometry::GetAlpha())) {
+ if (!trackTOFin->Rotate(fGeom->GetAlpha())) {
break;
}
}
Int_t nfound = 0;
+ Bool_t accept = kFALSE;
+ Bool_t isInside =kFALSE;
for (Int_t istep=0; istep<nStepsDone; istep++) {
- Bool_t isInside =kFALSE;
Float_t ctrackPos[3];
ctrackPos[0]= trackPos[0][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++){
Int_t cind[5];
cind[0]= clind[0][i];
cind[2]= clind[2][i];
cind[3]= clind[3][i];
cind[4]= clind[4][i];
- Bool_t accept = kFALSE;
- if( mLastStep)accept = (fGeom->DistanceToPad(cind,global[i],ctrackPos)<fdCut);
- if(!mLastStep)accept = (fGeom->IsInsideThePad(cind,global[i],ctrackPos));
+ 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){
- if(!mLastStep)isInside=kTRUE;
- dist[nfound]=fGeom->DistanceToPad(cind,global[i],ctrackPos);
+ 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[5][i]; // store cluster id
cxpos[nfound]=fGeom->RinTOF()+istep*0.1; //store prop.radius
nfound++;
- if(isInside)break;
+ if(accept &&!mLastStep)break;
}//end if accept
} //end for on the clusters
-
-
- if(isInside)break;
+ if(accept &&!mLastStep)break;
} //end for on the steps
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]+fDx*0.5;
+ recL=crecL[iclus]+corrLen*0.5;
}
}
+
AliTOFcluster *c=fClusters[idclus];
- c->Use(); //AliInfo(Form("I am using the cluster"));
+ c->Use();
// Track length correction for matching Step 2
) {
fngoodmatch++;
- //AliInfo(Form(" track label good %5i",trackTOFin->GetLabel()));
+ AliDebug(2,Form(" track label good %5i",trackTOFin->GetLabel()));
}
else{
fnbadmatch++;
- //AliInfo(Form(" track label bad %5i",trackTOFin->GetLabel()));
+ AliDebug(2,Form(" track label bad %5i",trackTOFin->GetLabel()));
}
delete trackTOFin;
// Store quantities to be used in the TOF Calibration
- Float_t tToT=AliTOFGeometry::TdcBinWidth()*c->GetToT()*1E-3; // in ns
+ Float_t tToT=fGeom->ToTBinWidth()*c->GetToT()*1E-3; // in ns
t->SetTOFsignalToT(tToT);
Int_t ind[5];
ind[0]=c->GetDetInd(0);
tlab[1]=c->GetLabel(1);
tlab[2]=c->GetLabel(2);
- Double_t tof=AliTOFGeometry::TdcBinWidth()*c->GetTDC()+32; // in ps
+ Double_t tof=fGeom->TdcBinWidth()*c->GetTDC()+32; // in ps
+ if(timeWalkCorr)tof=CorrectTimeWalk(mindistZ,tof);
t->SetTOFsignal(tof);
- //t->SetTOFcluster(c->GetIndex()); // pointing to the digits tree
t->SetTOFcluster(idclus); // pointing to the recPoints tree
- Double_t time[10]; t->GetIntegratedTimes(time);
+ Double_t time[AliPID::kSPECIES]; t->GetIntegratedTimes(time);
Double_t mom=t->GetP();
- for(Int_t j=0;j<=AliPID::kSPECIES;j++){
+ 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;
}
fHRecDist->Fill(mindist);
fHRecSigYVsP->Fill(mom,TMath::Sqrt(cov[0]));
fHRecSigZVsP->Fill(mom,TMath::Sqrt(cov[2]));
- fHRecSigYVsPWin->Fill(mom,dphi*fR);
+ fHRecSigYVsPWin->Fill(mom,dphi*sensRadius);
fHRecSigZVsPWin->Fill(mom,dz);
// Fill Tree for on-the-fly offline Calibration
if ( !((t->GetStatus() & AliESDtrack::kTIME)==0 )){
- Float_t rawtime=AliTOFGeometry::TdcBinWidth()*c->GetTDCRAW()+32; // RAW time,in ps
+ Float_t rawtime=fGeom->TdcBinWidth()*c->GetTDCRAW()+32; // RAW time,in ps
fIch=calindex;
fToT=tToT;
fTime=rawtime;
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
+ Float_t time =(fGeom->TdcBinWidth()*c->GetTDC())*1E-3; // in ns
+ Float_t tot = (fGeom->TdcBinWidth()*c->GetToT())*1E-3;//in ns
Int_t stripOffset = 0;
switch (iplate) {
fHDigClusTime->Fill(time);
fHDigClusToT->Fill(tot);
- //AliInfo(Form("%4i %4i %f %f %f %f %f %2i %1i %2i %1i %2i",i, fClusters[i]->GetIndex(),fClusters[i]->GetZ(),fClusters[i]->GetR(),fClusters[i]->GetPhi(), fClusters[i]->GetTDC(),fClusters[i]->GetADC(),fClusters[i]->GetDetInd(0),fClusters[i]->GetDetInd(1),fClusters[i]->GetDetInd(2),fClusters[i]->GetDetInd(3),fClusters[i]->GetDetInd(4)));
- //AliInfo(Form("%i %f",i, fClusters[i]->GetZ()));
}
- //AliInfo(Form("Number of clusters: %d",fN));
return 0;
}
TFile *logFileTOF = 0;
TSeqCollection *list = gROOT->GetListOfFiles();
- int N = list->GetEntries();
- for(int i=0; i<N; i++) {
+ int n = list->GetEntries();
+ for(int i=0; i<n; i++) {
logFile = (TFile*)list->At(i);
if (strstr(logFile->GetName(), "AliESDs.root")) break;
}
Bool_t isThere=kFALSE;
- for(int i=0; i<N; i++) {
+ for(int i=0; i<n; i++) {
logFileTOF = (TFile*)list->At(i);
if (strstr(logFileTOF->GetName(), "TOFQA.root")){
isThere=kTRUE;
dir->cd();
}
+//_________________________________________________________________________
+Float_t AliTOFtracker::CorrectTimeWalk( Float_t dist, Float_t tof) {
+
+ //dummy, for the moment
+ Float_t tofcorr=0.;
+ if(dist<fGeom->ZPad()*0.5){
+ tofcorr=tof;
+ //place here the actual correction
+ }else{
+ tofcorr=tof;
+ }
+ return tofcorr;
+}
+//_________________________________________________________________________
+Float_t AliTOFtracker::GetTimeZerofromT0(AliESD *event) const {
+
+ //Returns TimeZero as measured by T0 detector
+
+ return event->GetT0();
+}
+//_________________________________________________________________________
+Float_t AliTOFtracker::GetTimeZerofromTOF(AliESD * /*event*/) const {
+
+ //dummy, for the moment. T0 algorithm using tracks on TOF
+ {
+ //place T0 algo here...
+ }
+ return 0.;
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff