/*
$Log$
+Revision 1.27 2002/10/31 10:17:40 hristov
+Corrected usage of AliKalmanTrack::SetConvConst (Alpha)
+
+Revision 1.26 2002/10/25 18:44:33 barbera
+Unnecessary print-out removed
+
+Revision 1.25 2002/10/24 17:12:58 barbera
+ITS tracking V1 integrated with the last version of ITS PID
+
+Revision 1.24 2002/10/23 14:28:38 barbera
+Fixes added to get into account the new magnetic field conversion factor automatically
+
+Revision 1.23 2002/10/22 18:29:34 barbera
+Tracking V1 ported to the HEAD
+
+Revision 1.22 2002/10/22 14:45:36 alibrary
+Introducing Riostream.h
+
+Revision 1.21 2002/02/05 09:12:26 hristov
+Small mods for gcc 3.02
+
Revision 1.20 2001/11/21 14:47:45 barbera
Some unuseful print-out commented out
cleanded up a little bit of code.
*/
-// The purpose of this class is to permorm the ITS tracking. The
+// The purpose of this class is to permorm the ITS tracking. The
// constructor has the task to inizialize some private members. The method
// DoTracking is written to be called by a macro. It gets the event number,
// the minimum and maximum order number of TPC tracks that are to be tracked
// imposition respectively. The authors thank Mariana Bondila to have help
// them to resolve some problems. July-2000
-#include <iostream.h>
-#include <fstream.h>
+#include <Riostream.h>
+#include <Riostream.h>
#include <TMath.h>
#include <TBranch.h>
#include <TVector.h>
#include "../TPC/AliTPCtracker.h"
#include "AliITSTrackerV1.h"
#include "AliITSVertex.h"
+#include "AliITSPid.h"
ClassImp(AliITSTrackerV1)
//______________________________________________________________________
fphidet[im1] = new Double_t[im2max];
} // end for im1
- //Float_t global[3],local[3];
- Double_t global[3],local[3];
+ Double_t global[3],local[3];
Double_t pigre=TMath::Pi();
Double_t xmin,ymin,xmax,ymax;
/////////////// allocate memory and define vector fNRecPoints and matrices fRecCylR, fRecCylPhi, fRecCylZ /////////////
gAlice->GetEvent(evnumber);
Int_t NumOfModules = g1->GetIndexMax();
- //fRecCylR = new Float_t *[NumOfModules];
fRecCylR = new Double_t *[NumOfModules];
- //fRecCylPhi = new Float_t *[NumOfModules];
fRecCylPhi = new Double_t *[NumOfModules];
- //fRecCylZ = new Float_t *[NumOfModules];
fRecCylZ = new Double_t *[NumOfModules];
AliITSRecPoint *recp;
fNRecPoints = new Int_t[NumOfModules];
gAlice->TreeR()->GetEvent(module);
frecPoints=fITS->RecPoints();
Int_t nRecPoints=fNRecPoints[module]=frecPoints->GetEntries();
- /*
- fRecCylR[module] = new Float_t[nRecPoints];
- fRecCylPhi[module] = new Float_t[nRecPoints];
- fRecCylZ[module] = new Float_t[nRecPoints];
- */
fRecCylR[module] = new Double_t[nRecPoints];
fRecCylPhi[module] = new Double_t[nRecPoints];
fRecCylZ[module] = new Double_t[nRecPoints];
local[1]=0.;
local[2]= recp->GetZ();
g1->LtoG(module,local,global);
- /*
- Float_t r = TMath::Sqrt(global[0]*global[0]+global[1]*global[1]); // r hit
- Float_t phi = TMath::ATan2(global[1],global[0]); if(phi<0.) phi+=2.*TMath::Pi(); // phi hit
- Float_t z = global[2]; // z hit
- */
Double_t r = TMath::Sqrt(global[0]*global[0]+global[1]*global[1]); // r hit
Double_t phi = TMath::ATan2(global[1],global[0]); if(phi<0.) phi+=2.*TMath::Pi(); // phi hit
- Double_t z = global[2]; // z hit
+ Double_t z = global[2]; // z hit
fRecCylR[module][ind]=r;
fRecCylPhi[module][ind]=phi;
////////// gets magnetic field factor //////////////////////////////
AliMagF * fieldPointer = gAlice->Field();
- fFieldFactor = (Double_t)fieldPointer->Factor();
- //cout<< " field factor = "<<fFieldFactor<<"\n"; getchar();
+ // fFieldFactor = (Double_t)fieldPointer->Factor();
+ fFieldFactor =(Double_t)fieldPointer-> SolenoidField()/10/.2;
+ // cout<< " field factor = "<<fFieldFactor<<"\n"; getchar();
}
//______________________________________________________________________
AliITSTrackerV1::AliITSTrackerV1(const AliITSTrackerV1 &cobj) {
AliITSgeom *g1 = fITS->GetITSgeom();
Int_t NumOfModules = g1->GetIndexMax();
- /*
- fRecCylR = new Float_t *[NumOfModules];
- fRecCylPhi = new Float_t *[NumOfModules];
- fRecCylZ = new Float_t *[NumOfModules];
- */
fRecCylR = new Double_t *[NumOfModules];
fRecCylPhi = new Double_t *[NumOfModules];
fRecCylZ = new Double_t *[NumOfModules];
fNRecPoints = new Int_t[NumOfModules];
for(Int_t module=0; module<NumOfModules; module++) {
Int_t nRecPoints=fNRecPoints[module]=obj.fNRecPoints[module];
- /*
- fRecCylR[module] = new Float_t[nRecPoints];
- fRecCylPhi[module] = new Float_t[nRecPoints];
- fRecCylZ[module] = new Float_t[nRecPoints];
- */
fRecCylR[module] = new Double_t[nRecPoints];
fRecCylPhi[module] = new Double_t[nRecPoints];
fRecCylZ[module] = new Double_t[nRecPoints];
gAlice->GetEvent(evNumber); //modificato per gestire hbt
- AliKalmanTrack *kkprov;
- kkprov->SetConvConst(100/0.299792458/0.2/fFieldFactor);
+ AliKalmanTrack::SetConvConst(1000/0.299792458/gAlice->Field()->SolenoidField());
+ // cout<<" field = "<<gAlice->Field()->SolenoidField()<<endl;
+
TFile *cf=TFile::Open("AliTPCclusters.root");
- AliTPCParam *digp= (AliTPCParam*)cf->Get("75x40_100x60");
+ AliTPCParam *digp= (AliTPCParam*)cf->Get("75x40_100x60_150x60");
if (!digp) { cerr<<"TPC parameters have not been found !\n"; getchar();}
cf->cd();
- AliTPCtracker *tracker = new AliTPCtracker(digp,evNumber);
+ //AliTPCtracker *tracker = new AliTPCtracker(digp,evNumber); //I.B.
+ AliTPCtracker *tracker = new AliTPCtracker(digp); //I.B.
+ tracker->SetEventNumber(evNumber); //I.B.
// Load clusters
- tracker->LoadInnerSectors();
- tracker->LoadOuterSectors();
+ //tracker->LoadInnerSectors(); //I.B.
+ //tracker->LoadOuterSectors(); //I.B.
+ tracker->LoadClusters(); //I.B.
// Load tracks
TFile *tf=TFile::Open("AliTPCtracksSorted.root");
Int_t nentr=(Int_t)tracktree->GetEntries();
Int_t kk;
- AliTPCtrack *ioTrackTPC=0;
+ AliITSRecPoint *recp; // oggi
+ AliTPCtrack *ioTrackTPC=0;
for (kk=0; kk<nentr; kk++) {
ioTrackTPC=new AliTPCtrack;
tbranch->SetAddress(&ioTrackTPC);
TTree tracktree1("TreeT","Tree with ITS tracks");
AliITSIOTrack *ioTrack=0;
+ AliITSPid *pid=new AliITSPid(1000); // oggi
+
tracktree1.Branch("ITStracks","AliITSIOTrack",&ioTrack,32000,0);
- TDatabasePDG * db = new TDatabasePDG;
+ TDatabasePDG * db = new TDatabasePDG;
Int_t j;
for (j=minTr; j<=maxTr; j++) {
/// mass definition ////////////////////////
Double_t mass=0.13956995;
Int_t pcode=211; // a pion by default
+
if(realmass) {
- Int_t TPClabel=TMath::Abs( track->GetLabel() );
- TParticle *p = (TParticle*)gAlice->Particle(TPClabel);
- pcode=p->GetPdgCode();
- // Int_t mothercode=p->GetFirstMother();
- //if(mothercode>0 ) numofsecondaries++; else numofprimaries++;
+ if(TMath::Abs(pcode)<20443) mass=db->GetParticle(pcode)->Mass();
+ }
+ else {
+ mass = track->GetMass();
+// cout << "Mass = " << mass << endl;
}
- //if(!pcode) pcode=211;
- if(TMath::Abs(pcode)<20443) mass=db->GetParticle(pcode)->Mass();
+
- ///////////////////////////////////////////////
- /*
- ////// propagation to the end of TPC //////////////
- Double_t xk=77.415;
- track->PropagateTo(xk, 28.94, 1.204e-3,mass); //Ne
- xk -=0.01;
- track->PropagateTo(xk, 44.77, 1.71,mass); //Tedlar
- xk -=0.04;
- track->PropagateTo(xk, 44.86, 1.45,mass); //kevlar
- xk -=2.0;
- track->PropagateTo(xk, 41.28, 0.029,mass); //Nomex
- xk-=16;
- track->PropagateTo(xk,36.2,1.98e-3,mass); //C02
- xk -=0.01;
- track->PropagateTo(xk, 24.01, 2.7,mass); //Al
- xk -=0.01;
- track->PropagateTo(xk, 44.77, 1.71,mass); //Tedlar
- xk -=0.04;
- track->PropagateTo(xk, 44.86, 1.45,mass); //kevlar
- xk -=0.5;
- track->PropagateTo(xk, 41.28, 0.029,mass); //Nomex
- ////////////////////////////////////////////////////////////////////
- */
// new propagation to the end of TPC
Double_t xk=80.;
// track->PropagateTo(xk,0.,0.); //Ne if it's still there //attenzione funziona solo se modifica in TPC
track->PropagateTo(xk, 44.77, 1.71); //Tedlar
xk -=0.005;
track->PropagateTo(xk, 24.01, 2.7); //Al
+
////////////////////////////////////////////////////////////////////////////////////////////////////////
- AliITSTrackV1 trackITS(*track);
+ //AliITSTrackV1 trackITS(*track);
+ AliITSTrackV1 trackITS(*track, fFieldFactor);
+ //cout<<" fFieldFactor = "<<fFieldFactor<<"\n";
trackITS.PutMass(mass); //new to add mass to track
if(fresult){ delete fresult; fresult=0;}
fresult = new AliITSTrackV1(trackITS);
list->AddLast(&trackITS);
fPtref=TMath::Abs( (trackITS).GetPt() );
+ //cout<<" fPtref = " <<fPtref<<"\n";
if(fPtref>1.0) fChi2max=40.;
if(fPtref<=1.0) fChi2max=20.;
if(fPtref<0.4 ) fChi2max=100.;
//propagation to vertex
Double_t rbeam=3.;
- if((*fresult).DoNotCross(rbeam)) continue; //no intersection with beampipe
+ if((*fresult).DoNotCross(rbeam)) continue; //no intersection with beampipe
(*fresult).Propagation(rbeam);
Double_t c00,c10,c11,c20,c21,c22,c30,c31,c32,c33,c40,c41,c42,c43,c44;
(*fresult).GetCElements(c00,
Int_t charge;
if(c>0.) charge=-1; else charge=1;
ioTrack->SetCharge(charge);
+ Double_t trackmass=(*fresult).GetMass(); // oggi
+ ioTrack->SetMass(trackmass); // oggi
ioTrack->SetCovMatrix(c00,
c10,c11,
c20,c21,c22,
ioTrack->SetTPCLabel(lab);
ioTrack->SetDz(dz);
Int_t il;
- for(il=0;il<6; il++){
+ /*
+ for(il=0;il<6; il++){
ioTrack->SetIdPoint(il,(*fresult).GetIdPoint(il));
ioTrack->SetIdModule(il,(*fresult).GetIdModule(il));
} // end for il
- tracktree1.Fill();
+ */
+ //tracktree1.Fill();
+ Float_t q[4]={-1.,-1.,-1.,-1.};
+ Float_t globaldedx=0.;
for (il=0;il<6;il++) {
idpoint=(*fresult).GetIdPoint(il);
idmodule=(*fresult).GetIdModule(il);
ioTrack->SetIdPoint(il,idpoint);
ioTrack->SetIdModule(il,idmodule);
- } // end for il
+ //// for q definition
+ if(il>1){
+ if(idmodule>0.){
+ fITS->ResetRecPoints();
+ gAlice->TreeR()->GetEvent(idmodule);
+ recp=(AliITSRecPoint*)frecPoints->UncheckedAt(idpoint);
+ q[il-2]=recp->GetQ()*(*fresult).Getfcor(il-2);
+ }
+ }
+ } // end for il
+ q[0]/=280.; q[1]/=280.;
+ q[2]/=38.; q[3]/=38.;
+
+ // cout<<" q prima = "<<q[0]<<" "<<q[1]<<" "<<q[2]<<" "<<q[3]<<"\n"; getchar();
+
+ Int_t swap;
+ do{
+ swap=0;
+ for (il=0; il<3; il++) {
+ if (q[il]<=q[il+1]) continue;
+ Float_t tmp=q[il];
+ q[il]=q[il+1]; q[il+1]=tmp;
+ swap++;
+ }
+ } while(swap);
+
+
+ // cout<<" q dopo = "<<q[0]<<" "<<q[1]<<" "<<q[2]<<" "<<q[3]<<"\n"; getchar();
+
+ if(q[0]<0.) {
+ q[0]=q[1];
+ q[1]=q[2];
+ q[2]=q[3];
+ q[3]=-1.;
+ }
+
+ // cout<<" q dopo if = "<<q[0]<<" "<<q[1]<<" "<<q[2]<<" "<<q[3]<<"\n"; getchar();
+
+ globaldedx=(q[0]+q[1])/2.;
+
+ // if(q[3]> 0.) globaldedx=(q[0]+q[1]+q[2]+q[3])/4.;
+ // else globaldedx=(q[0]+q[1]+q[2])/3.;
+
+ ioTrack->SetdEdx(globaldedx);
+ ioTrack->SetPid(pid->GetPcode(ioTrack));
+
+ tracktree1.Fill();
} // end if on numOfCluster
//gObjectTable->Print(); // stampa memoria
} // end for (int j=minTr; j<=maxTr; j++)
tfile->ls();
char hname[30];
sprintf(hname,"TreeT%d",evNumber);
+ cout << "Number of saved ITS tracks " << tracktree1.GetEntries() << endl;
tracktree1.Write(hname);
TTree *fAli=gAlice->TreeK();
// << " "<<(*trackITS)(1)<<"\n"; getchar();
if(outinters==-1) continue;
Int_t flaghit=0;
+ (*trackITS).SetLayer(layerfin); // oggi
+ (*trackITS).Setfcor(); // oggi
if(outinters==0){
TVector toucLad(9), toucDet(9);
Int_t lycur=layerfin;
continue;
// cout<<" supero sigmaphi \n";
AliITSTrackV1 *newTrack = new AliITSTrackV1((*trackITS));
- (*newTrack).SetLayer((*trackITS).GetLayer()-1);
+ //(*newTrack).SetLayer((*trackITS).GetLayer()-1);
if (TMath::Abs(rTrack-cluster(0))/rTrack>1e-6)
(*newTrack).Correct(Double_t(cluster(0)));
//cout<<" cluster(2) e(*newTrack).GetZ()="<<cluster(2)<<" "
if(flaghit==0 || outinters==-2) {
AliITSTrackV1 *newTrack = new AliITSTrackV1(*trackITS);
(*newTrack).Setfnoclust();
- (*newTrack).SetLayer((*trackITS).GetLayer()-1);
+ //(*newTrack).SetLayer((*trackITS).GetLayer()-1);
(*newTrack).AddMS(frl); // add the multiple scattering matrix
// to the covariance matrix
(*newTrack).AddEL(frl,1.,0);