* 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
-//--------------------------------------------------------------------
-
-#include <Rtypes.h>
+
+//--------------------------------------------------------------------//
+// //
+// 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 "TClonesArray.h"
+#include "TGeoManager.h"
+#include "TTree.h"
+#include "AliAlignObj.h"
+#include "AliESDtrack.h"
+#include "AliESD.h"
#include "AliLog.h"
-#include "AliRun.h"
-#include "AliModule.h"
+#include "AliTrackPointArray.h"
-//#include "AliTOFdigit.h"
+#include "AliTOFcalib.h"
#include "AliTOFcluster.h"
-#include "AliTOFtrack.h"
#include "AliTOFGeometry.h"
#include "AliTOFtracker.h"
+#include "AliTOFtrack.h"
+
+extern TGeoManager *gGeoManager;
ClassImp(AliTOFtracker)
//_____________________________________________________________________________
-AliTOFtracker::AliTOFtracker(AliTOFGeometry * geom, Double_t parPID[2]) {
+AliTOFtracker::AliTOFtracker(AliTOFGeometry * geom, Double_t parPID[2]):
+ fGeom(geom),
+ fTOFpid(new AliTOFpidESD(parPID)),
+ fHoles(kFALSE),
+ fN(0),
+ fNseeds(0),
+ fNseedsTOF(0),
+ fngoodmatch(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)
+ {
//AliTOFtracker main Ctor
- 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.;
+ //fHoles=true;
fDy=AliTOFGeometry::XPad();
fDz=AliTOFGeometry::ZPad();
- fDx=1.5;
- fSeeds=0x0;
- fTracks=0x0;
- fN=0;
- Init(); // temporary solution to know about Holes/no Holes
+ fHoles = fGeom->GetHoles();
}
//_____________________________________________________________________________
-AliTOFtracker::AliTOFtracker(const AliTOFtracker &t):AliTracker() {
+AliTOFtracker::AliTOFtracker(const AliTOFtracker &t):
+ AliTracker(),
+ fGeom(0x0),
+ fTOFpid(0x0),
+ fHoles(kFALSE),
+ fN(0),
+ fNseeds(0),
+ fNseedsTOF(0),
+ fngoodmatch(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)
+ {
//AliTOFtracker copy Ctor
fHoles=t.fHoles;
fdCut=t.fdCut;
fDy=t.fDy;
fDz=t.fDz;
- fDx=1.5;
+ fDx=t.fDx;
+ fDzMax=t.fDzMax;
+ fDyMax=t.fDyMax;
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
- AliModule* frame=gAlice->GetModule("FRAME");
+//_____________________________________________________________________________
+AliTOFtracker& AliTOFtracker::operator=(const AliTOFtracker &t)
+{
+ //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->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->fSeeds=t.fSeeds;
+ this->fTracks=t.fTracks;
+ this->fN=t.fN;
+ return *this;
- if(!frame) {
- AliError("Could Not load FRAME! Assume Frame with Holes");
- fHoles=true;
- } else{
- if(frame->IsVersion()==1) {fHoles=false;}
- else {fHoles=true;}
- }
}
+
//_____________________________________________________________________________
Int_t AliTOFtracker::PropagateBack(AliESD* event) {
//
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;
}
}
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);
//Match ESD tracks to clusters in TOF
+
Int_t nSteps=(Int_t)(fTOFHeigth/0.1);
+ 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 cxpos[10000];
Float_t crecL[10000];
+ TGeoHMatrix global[1000];
// Determine a window around the track
if (phi>=TMath::Pi())phi-=2*TMath::Pi();
Double_t z=par[1];
+ //upper limit on window's size.
+
+ if(dz> fDzMax) dz=fDzMax;
+ if(dphi*fR>fDyMax) dphi=fDyMax/fR;
+
+
Int_t nc=0;
// find the clusters in the window of the track
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
//AliInfo(Form(" fClusters[k]->GetZ() (%f) z-dz (%f) %4i ", fClusters[k]->GetZ(), z-dz, k));
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;
+ Float_t xs=fGeom->RinTOF()+istep*0.1;
Double_t ymax=xs*TMath::Tan(0.5*AliTOFGeometry::GetAlpha());
Bool_t skip=kFALSE;
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));
+ if( mLastStep)accept = (fGeom->DistanceToPad(cind,global[i],ctrackPos)<fdCut);
+ if(!mLastStep)accept = (fGeom->IsInsideThePad(cind,global[i],ctrackPos));
if(accept){
if(!mLastStep)isInside=kTRUE;
- dist[nfound]=fGeom->DistanceToPad(cind,ctrackPos);
+ dist[nfound]=fGeom->DistanceToPad(cind,global[i],ctrackPos);
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;
}//end if accept
}
AliTOFcluster *c=fClusters[idclus];
- c->Use(); //AliInfo(Form("I am usig the cluster"));
+ c->Use(); //AliInfo(Form("I am using the cluster"));
// Track length correction for matching Step 2
(c->GetLabel(2)==TMath::Abs(trackTOFin->GetLabel()))
) {
fngoodmatch++;
+
+ //AliInfo(Form(" track label good %5i",trackTOFin->GetLabel()));
+
}
else{
fnbadmatch++;
+
+ //AliInfo(Form(" track label bad %5i",trackTOFin->GetLabel()));
+
}
delete trackTOFin;
- //Double_t tof=50*c->GetTDC()+32; // in ps
+ // Store quantities to be used in the TOF Calibration
+ Float_t tToT=c->GetToT(); // in ps
+ 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=AliTOFGeometry::TdcBinWidth()*c->GetTDC()+32; // in ps
t->SetTOFsignal(tof);
- t->SetTOFcluster(c->GetIndex());
+ //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 mom=t->GetP();
for(Int_t j=0;j<=AliPID::kSPECIES;j++){
t->UpdateTrackParams(trackTOFout,AliESDtrack::kTOFout);
t->SetIntegratedLength(recL);
t->SetIntegratedTimes(time);
+ t->SetTOFLabel(tlab);
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 *cTree) {
for (Int_t i=0; i<nc; i++) {
AliTOFcluster *c=(AliTOFcluster*)clusters->UncheckedAt(i);
- /*
- for (Int_t jj=0; jj<5; jj++) dig[jj]=c->GetDetInd(jj);
-
- Double_t h[5];
- h[0]=c->GetR();
- h[1]=c->GetPhi();
- h[2]=c->GetZ();
- h[3]=c->GetTDC();
- h[4]=c->GetADC();
-
- Int_t indexDig[3];
- for (Int_t jj=0; jj<3; jj++) indexDig[jj] = c->GetLabel(jj);
-
- AliTOFcluster *cl=new AliTOFcluster(h,c->GetTracks(),dig,i);
- */
-
- // fClusters[i]=c; fN++;
fClusters[i]=new AliTOFcluster(*c); fN++;
-
//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()));
}
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;
+}