* about the suitability of this software for any purpose. It is *
* provided "as is" without express or implied warranty. *
**************************************************************************/
-// 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
-//--------------------------------------------------------------------
+
+//--------------------------------------------------------------------//
+// //
+// 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 <TClonesArray.h>
+#include <TGeoManager.h>
+#include <TTree.h>
+#include <TFile.h>
+#include <TH2F.h>
+
+#include "AliAlignObj.h"
+#include "AliESDtrack.h"
+#include "AliESD.h"
+#include "AliLog.h"
+#include "AliTrackPointArray.h"
+
+#include "AliTOFcalib.h"
+#include "AliTOFRecoParam.h"
+#include "AliTOFcluster.h"
+#include "AliTOFGeometryV5.h"
#include "AliTOFtracker.h"
#include "AliTOFtrack.h"
-#include "TClonesArray.h"
-#include "AliLog.h"
-#include "AliTOFdigit.h"
-#include "AliTOFGeometry.h"
-#include "AliRun.h"
-#include "AliModule.h"
+
+extern TGeoManager *gGeoManager;
+extern TROOT *gROOT;
ClassImp(AliTOFtracker)
//_____________________________________________________________________________
-AliTOFtracker::AliTOFtracker(AliTOFGeometry * geom, Double_t parPID[2]) {
+AliTOFtracker::AliTOFtracker():
+ fRecoParam(0x0),
+ fGeom(0x0),
+ fPid(0x0),
+ fN(0),
+ fNseeds(0),
+ fNseedsTOF(0),
+ fngoodmatch(0),
+ fnbadmatch(0),
+ fnunmatch(0),
+ fnmatch(0),
+ fTracks(0x0),
+ fSeeds(0x0),
+ 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 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();
- fHoles=true;
- fNseeds=0;
- fNseedsTOF=0;
- fngoodmatch=0;
- fnbadmatch=0;
- fnunmatch=0;
- fnmatch=0;
- fGeom = geom;
- fTOFpid = new AliTOFpidESD(parPID);
- fR=378.;
- fTOFHeigth=15.3;
- fdCut=3.;
- fDy=AliTOFGeometry::XPad();
- fDz=AliTOFGeometry::ZPad();
- fDx=1.5;
- fSeeds=0x0;
- fTracks=0x0;
- fN=0;
- Init(); // temporary solution to know about Holes/no Holes
}
//_____________________________________________________________________________
-AliTOFtracker::AliTOFtracker(const AliTOFtracker &t):AliTracker() {
+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(0x0),
+ fSeeds(0x0),
+ 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
- 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=1.5;
+ fRecoParam=t.fRecoParam;
+ fGeom=t.fGeom;
+ fPid=t.fPid;
fSeeds=t.fSeeds;
fTracks=t.fTracks;
fN=t.fN;
}
-//_____________________________________________________________________________
-void AliTOFtracker::Init() {
-// temporary solution to know about Holes/no Holes, will be implemented as
-// an AliTOFGeometry getter
+//_____________________________________________________________________________
+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;
- AliModule* frame=gAlice->GetModule("FRAME");
+}
+//_____________________________________________________________________________
+AliTOFtracker::~AliTOFtracker() {
+ //
+ // Dtor
+ //
- if(!frame) {
- AliError("Could Not load FRAME! Assume Frame with Holes");
- fHoles=true;
- } else{
- if(frame->IsVersion()==1) {fHoles=false;}
- else {fHoles=true;}
- }
+ SaveCheckHists();
+
+ 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;
}
//_____________________________________________________________________________
Int_t AliTOFtracker::PropagateBack(AliESD* event) {
Int_t ntrk=event->GetNumberOfTracks();
fNseeds = ntrk;
- fSeeds= new TClonesArray("AliESDtrack");
+ fSeeds= new TClonesArray("AliESDtrack",ntrk);
TClonesArray &aESDTrack = *fSeeds;
if(seed->GetTOFsignal()>0){
t->SetTOFsignal(seed->GetTOFsignal());
t->SetTOFcluster(seed->GetTOFcluster());
+ t->SetTOFsignalToT(seed->GetTOFsignalToT());
+ t->SetTOFCalChannel(seed->GetTOFCalChannel());
+ Int_t tlab[3]; seed->GetTOFLabel(tlab);
+ t->SetTOFLabel(tlab);
AliTOFtrack *track = new AliTOFtrack(*seed);
- t->UpdateTrackParams(track,AliESDtrack::kTOFout);
+ 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
- fTOFpid->MakePID(event);
+ fPid->MakePID(event,timeZero);
if (fSeeds) {
fSeeds->Delete();
Double_t x = track->GetX(); //New
if (((t->GetStatus()&AliESDtrack::kTRDout)!=0 ) &&
- ( x >= AliTOFGeometry::RinTOF()) ){
+ ( x >= fGeom->RinTOF()) ){
track->SetSeedIndex(i);
t->UpdateTrackParams(track,AliESDtrack::kTOFout);
new(aTOFTrack[fNseedsTOF]) AliTOFtrack(*track);
// 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);
}
}
+ AliInfo(Form("Number of TOF seedds %i",fNseedsTOF));
+
// 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=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];
for (Int_t ii=0;ii<6;ii++) clind[ii] = new Int_t[fN];
- for (Int_t i=0; i<fNseedsTOF; i++) {
+ for (Int_t iseed=0; iseed<fNseedsTOF; iseed++) {
- AliTOFtrack *track =(AliTOFtrack*)fTracks->UncheckedAt(i);
+ 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
+ // 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
trackTOFin->GetExternalParameters(x,par);
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();
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()) 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 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);
clind[2][nc] = c->GetDetInd(2);
clind[3][nc] = c->GetDetInd(3);
clind[4][nc] = c->GetDetInd(4);
clind[5][nc] = k;
+ Char_t path[100];
+ Int_t ind[5];
+ ind[0]=clind[0][nc];
+ ind[1]=clind[1][nc];
+ ind[2]=clind[2][nc];
+ ind[3]=clind[3][nc];
+ ind[4]=clind[4][nc];
+ fGeom->GetVolumePath(ind,path);
+ gGeoManager->cd(path);
+ global[nc] = *gGeoManager->GetCurrentMatrix();
nc++;
}
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());
+ Float_t xs=fGeom->RinTOF()+istep*0.1;
+ 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 (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;
}
}
// store the running point (Globalrf) - fine propagation
- Double_t x,y,z;
- trackTOFin->GetGlobalXYZ(x,y,z);
- trackPos[0][istep]= (Float_t) x;
- trackPos[1][istep]= (Float_t) y;
- trackPos[2][istep]= (Float_t) z;
+ 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++) {
- 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,ctrackPos)<fdCut);
- if(!mLastStep)accept = (fGeom->IsInsideThePad(cind,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,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]=AliTOFGeometry::RinTOF()+istep*0.1; //store prop.radius
+ 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();
+ c->Use();
// Track length correction for matching Step 2
(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;
- //Double_t tof=50*c->GetTDC()+32; // in ps
- Double_t tof=AliTOFGeometry::TdcBinWidth()*c->GetTDC()+32; // in ps
+ // Store quantities to be used in the TOF Calibration
+ Float_t tToT=fGeom->ToTBinWidth()*c->GetToT()*1E-3; // in ns
+ t->SetTOFsignalToT(tToT);
+ 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 = calib->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);
+
+ Double_t tof=fGeom->TdcBinWidth()*c->GetTDC()+32; // in ps
+ if(timeWalkCorr)tof=CorrectTimeWalk(mindistZ,tof);
t->SetTOFsignal(tof);
- t->SetTOFcluster(c->GetIndex());
- Double_t time[10]; t->GetIntegratedTimes(time);
+ t->SetTOFcluster(idclus); // pointing to the recPoints tree
+ 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;
}
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 )){
+ Float_t rawtime=fGeom->TdcBinWidth()*c->GetTDCRAW()+32; // RAW time,in ps
+ 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];
for (Int_t ii=0;ii<6;ii++) delete [] clind[ii];
+ delete calib;
}
//_________________________________________________________________________
-Int_t AliTOFtracker::LoadClusters(TTree *dTree) {
+Int_t AliTOFtracker::LoadClusters(TTree *cTree) {
//--------------------------------------------------------------------
//This function loads the TOF clusters
//--------------------------------------------------------------------
- TBranch *branch=dTree->GetBranch("TOF");
+ Int_t npadX = fGeom->NpadX();
+ Int_t npadZ = fGeom->NpadZ();
+ Int_t nStripA = fGeom->NStripA();
+ Int_t nStripB = fGeom->NStripB();
+ Int_t nStripC = fGeom->NStripC();
+
+ TBranch *branch=cTree->GetBranch("TOF");
if (!branch) {
- AliError("can't get the branch with the TOF digits !");
+ AliError("can't get the branch with the TOF clusters !");
return 1;
}
- TClonesArray dummy("AliTOFdigit",10000), *digits=&dummy;
- branch->SetAddress(&digits);
+ TClonesArray dummy("AliTOFcluster",10000), *clusters=&dummy;
+ branch->SetAddress(&clusters);
- dTree->GetEvent(0);
- Int_t nd=digits->GetEntriesFast();
- AliInfo(Form("number of digits: %d",nd));
+ cTree->GetEvent(0);
+ Int_t nc=clusters->GetEntriesFast();
+ fHDigNClus->Fill(nc);
- for (Int_t i=0; i<nd; i++) {
- AliTOFdigit *d=(AliTOFdigit*)digits->UncheckedAt(i);
- Int_t dig[5]; Float_t g[3];
- dig[0]=d->GetSector();
- dig[1]=d->GetPlate();
- dig[2]=d->GetStrip();
- dig[3]=d->GetPadz();
- dig[4]=d->GetPadx();
+ AliInfo(Form("Number of clusters: %d",nc));
- fGeom->GetPos(dig,g);
+ for (Int_t i=0; i<nc; i++) {
+ AliTOFcluster *c=(AliTOFcluster*)clusters->UncheckedAt(i);
+ fClusters[i]=new AliTOFcluster(*c); fN++;
- Double_t h[5];
- h[0]=TMath::Sqrt(g[0]*g[0]+g[1]*g[1]);
- h[1]=TMath::ATan2(g[1],g[0]); h[2]=g[2];
- h[3]=d->GetTdc(); h[4]=d->GetAdc();
+ // 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 =(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) {
+ 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);
+
+ }
- AliTOFcluster *cl=new AliTOFcluster(h,d->GetTracks(),dig,i);
- InsertCluster(cl);
- }
return 0;
}
//--------------------------------------------------------------------
//This function unloads TOF clusters
//--------------------------------------------------------------------
- for (Int_t i=0; i<fN; i++) delete fClusters[i];
- fN=0;
-}
-
-//_________________________________________________________________________
-Int_t AliTOFtracker::InsertCluster(AliTOFcluster *c) {
- //--------------------------------------------------------------------
- //This function adds a cluster to the array of clusters sorted in Z
- //--------------------------------------------------------------------
- if (fN==kMaxCluster) {
- AliError("Too many clusters !");
- return 1;
+ for (Int_t i=0; i<fN; i++) {
+ delete fClusters[i];
+ fClusters[i] = 0x0;
}
-
- if (fN==0) {fClusters[fN++]=c; return 0;}
- Int_t i=FindClusterIndex(c->GetZ());
- memmove(fClusters+i+1 ,fClusters+i,(fN-i)*sizeof(AliTOFcluster*));
- fClusters[i]=c; fN++;
-
- return 0;
+ fN=0;
}
//_________________________________________________________________________
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 = fGeom->GetAngles(cl->GetDetInd(1),cl->GetDetInd(2))*TMath::DegToRad();
+ Float_t sinth = TMath::Sin(tiltangle), costh = TMath::Cos(tiltangle);
+ Float_t sigmay2 = fGeom->XPad()*fGeom->XPad()/12.;
+ Float_t sigmaz2 = fGeom->ZPad()*fGeom->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 = fGeom->NSectors();
+ Int_t nPlate = fGeom->NPlates();
+ Int_t nStripA = fGeom->NStripA();
+ Int_t nStripB = fGeom->NStripB();
+ Int_t nStripC = fGeom->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 = AliAlignObj::LayerToVolUID(AliAlignObj::kTOF,idet);
+ p.SetVolumeID((UShort_t)volid);
+ return kTRUE;
+}
+//_________________________________________________________________________
+void AliTOFtracker::InitCheckHists() {
+
+ //Init histos for Digits/Reco QA and Calibration
+
+
+ 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.);
+}
+
+//_________________________________________________________________________
+void AliTOFtracker::SaveCheckHists() {
+
+ //write histos for Digits/Reco QA and Calibration
+
+ TDirectory *dir = gDirectory;
+ TFile *logFile = 0;
+ TFile *logFileTOF = 0;
+
+ TSeqCollection *list = gROOT->GetListOfFiles();
+ 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++) {
+ logFileTOF = (TFile*)list->At(i);
+ if (strstr(logFileTOF->GetName(), "TOFQA.root")){
+ isThere=kTRUE;
+ break;
+ }
+ }
+
+ logFile->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);
+ logFile->Flush();
+
+ if(!isThere)logFileTOF = new TFile( "TOFQA.root","RECREATE");
+ 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<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