/*
$Log$
+Revision 1.51 2001/05/16 14:57:15 alibrary
+New files for folders and Stack
+
Revision 1.50 2001/05/11 09:15:21 barbera
Corrected to make fast point creation working with PPR geometry
#include "AliITSRad.h"
#include "../TPC/AliTPC.h"
#include "../TPC/AliTPCParam.h"
-
+#include "../TPC/AliTPCtracker.h"
ClassImp(AliITS)
}
}
-
-
-
//_____________________________________________________________________________
void AliITS::SetDefaultSimulation()
{
treeC->Write(hname,TObject::kOverwrite);
treeC->Reset();
}
-
-
//____________________________________________________________________________
void AliITS::HitsToFastRecPoints(Int_t evNumber,Int_t bgrev,Int_t size,
Option_t *option,Option_t *opt,Text_t *filename)
//if(ver!=5) return;
const char *all = strstr(opt,"All");
- const char *det[3] = {strstr(opt,"SPD"),strstr(opt,"SDD"),strstr(opt,"SSD")};
+ const char *det[3] ={strstr(opt,"SPD"),strstr(opt,"SDD"),strstr(opt,"SSD")};
Int_t nmodules;
InitModules(size,nmodules);
AliITSDetType *iDetType=DetType(id);
sim = (AliITSsimulation*)iDetType->GetSimulationModel();
if (!sim) {
- Error("HitsToFastPoints","The simulation class was not instantiated!");
+ Error("HitsToFastPoints",
+ "The simulation class was not instantiated!");
exit(1);
// or SetDefaultSimulation();
}
delete [] random;
}
-
//________________________________________________________________
-AliITStrack AliITS::Tracking(AliITStrack &track, AliITStrack *reference,TObjArray *fastpoints, Int_t
-**vettid, Bool_t flagvert, AliITSRad *rl ) {
-
-//Origin A. Badala' and G.S. Pappalardo: e-mail Angela.Badala@ct.infn.it, Giuseppe.S.Pappalardo@ct.infn.it
+AliITStrack AliITS::Tracking(AliITStrack &track, AliITStrack *reference,
+ TObjArray *fastpoints, Int_t **vettid,
+ Bool_t flagvert, AliITSRad *rl ) {
+// Origin A. Badala' and G.S. Pappalardo: e-mail Angela.Badala@ct.infn.it,
+// Giuseppe.S.Pappalardo@ct.infn.it
-
TList *list= new TList();
AliITStrack tr(track);
Double_t Pt=(tr).GetPt();
// cout << "\n Pt = " << Pt <<"\n"; //stampa
- AliITStracking obj(list, reference, this, fastpoints,TMath::Abs(Pt),vettid, flagvert, rl);
+ AliITStracking obj(list, reference, this, fastpoints,
+ TMath::Abs(Pt),vettid, flagvert, rl);
list->Delete();
delete list;
for(lay=5; lay>=0; lay--) {
TVector VecLabref(3);
VecLabref=(*reference).GetLabTrack(lay);
- Float_t ClustZ=(*reference).GetZclusterTrack( lay); //aggiunta il 5-3-2001
- for(k=0; k<3; k++){ //{itot++; VecTotLabref(itot)=VecLabref(k);} //cambiata il 5-3-2001
- Int_t lpp=(Int_t)VecLabref(k);
- if(lpp>=0) {
- TParticle *p=(TParticle*) gAlice->Particle(lpp);
- Int_t pcode=p->GetPdgCode();
- if(pcode==11) VecLabref(k)=p->GetFirstMother();
- }
- itot++; VecTotLabref(itot)=VecLabref(k);
- if(VecLabref(k)==0. && ClustZ == 0.) VecTotLabref(itot) =-3.; }
- }
+ Float_t ClustZ=(*reference).GetZclusterTrack( lay); //aggiunta il 5-3-2001
+ for(k=0; k<3; k++){
+ //{itot++; VecTotLabref(itot)=VecLabref(k);} //cambiata il 5-3-2001
+ Int_t lpp=(Int_t)VecLabref(k);
+ if(lpp>=0) {
+ TParticle *p=(TParticle*) gAlice->Particle(lpp);
+ Int_t pcode=p->GetPdgCode();
+ if(pcode==11) VecLabref(k)=p->GetFirstMother();
+ } // end if lpp>=0
+ itot++; VecTotLabref(itot)=VecLabref(k);
+ if(VecLabref(k)==0. && ClustZ == 0.) VecTotLabref(itot) =-3.; }
+ } // end for lay
Long_t labref;
Int_t freq;
(*reference).Search(VecTotLabref, labref, freq);
return *reference;
}
+//________________________________________________________________------
+void AliITS::DoTracking(Int_t evNumber, Int_t min_t, Int_t max_t,
+ TFile *file, Bool_t flagvert) {
+ // ex macro for tracking ITS
+ printf("begin DoTracking - file %p\n",file);
+ //const char *pname="75x40_100x60";
+
+ Int_t imax=200,jmax=450;
+ AliITSRad *rl = new AliITSRad(imax,jmax);
+ //cout<<" dopo costruttore AliITSRad\n"; getchar();
-//________________________________________________________________
+ struct GoodTrack {
+ Int_t lab,code;
+ Float_t px,py,pz,x,y,z,pxg,pyg,pzg,ptg;
+ Bool_t flag;
+ };
+ gAlice->GetEvent(0);
+ AliKalmanTrack *kkprov;
+ kkprov->SetConvConst(100/0.299792458/0.2/gAlice->Field()->Factor());
-void AliITS::DoTracking(Int_t evNumber, Int_t min_t, Int_t max_t, TFile *file, Bool_t flagvert) {
+ /* //modificato il 26-4-2001
+ AliTPC *TPC=(AliTPC*)gAlice->GetDetector("TPC");
+ AliTPCParam *digp = (AliTPCParam*)file->Get(pname);
+ if (digp!=0) TPC->SetParam(digp);
+ */
+ TFile *cf=TFile::Open("AliTPCclusters.root");
+ AliTPCParam *digp= (AliTPCParam*)cf->Get("75x40_100x60");
+ if (!digp) { cerr<<"TPC parameters have not been found !\n"; getchar();}
+
+ AliTPCtracker *tracker = new AliTPCtracker(digp); //aggiunto il 23-5
+ //aggiunto il 23-5
+ // Load clusters
+ tracker->LoadInnerSectors();
+ tracker->LoadOuterSectors();
+
+ GoodTrack gt[15000];
+ Int_t ngood=0;
+ ifstream in("itsgood_tracks");
+
+ cerr<<"Reading itsgood tracks...\n";
+ while (in>>gt[ngood].lab>>gt[ngood].code
+ >>gt[ngood].px >>gt[ngood].py>>gt[ngood].pz
+ >>gt[ngood].x >>gt[ngood].y >>gt[ngood].z
+ >>gt[ngood].pxg >>gt[ngood].pyg >>gt[ngood].pzg
+ >>gt[ngood].ptg >>gt[ngood].flag) {
+ ngood++;
+ cerr<<ngood<<'\r';
+ if (ngood==15000) {
+ cerr<<"Too many good tracks !\n";
+ break;
+ } // end if ngood==1500
+ } // end while
+ if (!in.eof()) cerr<<"Read error (itsgood_tracks) !\n";
+
+ // Load tracks
+ // TFile *tf=TFile::Open("tpctracks.root"); //commentato 26-4-2001
+ TFile *tf=TFile::Open("AliTPCtracks.root");
+ if (!tf->IsOpen()) {cerr<<"Can't open AliTPCtracks.root !\n"; return ;}
+ TObjArray tracks(200000);
+ //TTree *tracktree=(TTree*)tf->Get("TreeT");
+ TTree *tracktree=(TTree*)tf->Get("TPCf"); //aggiunto il 23-5
+ if (!tracktree) {cerr<<"Can't get a tree with TPC tracks !\n";}
+ TBranch *tbranch=tracktree->GetBranch("tracks");
+ Int_t nentr=(Int_t)tracktree->GetEntries();
+ Int_t kk;
+ /* commentato il 26-4-2001
+ for (kk=0; kk<nentr; kk++) {
+ AliTPCtrack *iotrack=new AliTPCtrack;
+ tbranch->SetAddress(&iotrack);
+ tracktree->GetEvent(kk);
+ tracks.AddLast(iotrack);
+ }
+ */
+ AliTPCtrack *iotracktpc=0;
+ for (kk=0; kk<nentr; kk++) {
+ iotracktpc=new AliTPCtrack;
+ tbranch->SetAddress(&iotracktpc);
+ tracktree->GetEvent(kk);
+ tracker->CookLabel(iotracktpc,0.1); //aggiunto 23-5
+ tracks.AddLast(iotracktpc);
+ } // end for kk
+ delete tracker;
+ tf->Close();
-// ex macro for tracking ITS
+ Int_t nt = tracks.GetEntriesFast();
+ cerr<<"Number of found tracks "<<nt<<endl;
- printf("begin DoTracking - file %p\n",file);
+ TVector DataOut(9);
+ Int_t kkk=0;
- //const char *pname="75x40_100x60";
-
- Int_t imax=200,jmax=450;
- AliITSRad *rl = new AliITSRad(imax,jmax);
- //cout<<" dopo costruttore AliITSRad\n"; getchar();
-
- struct GoodTrack {
- Int_t lab,code;
- Float_t px,py,pz,x,y,z,pxg,pyg,pzg,ptg;
- Bool_t flag;
- };
-
+ Double_t ptg=0.,pxg=0.,pyg=0.,pzg=0.;
- gAlice->GetEvent(0);
-
- // AliKalmanTrack *kkprov;
- // kkprov->SetConvConst(100/0.299792458/0.2/gAlice->Field()->Factor());
-
- /* //modificato il 26-4-2001
- AliTPC *TPC=(AliTPC*)gAlice->GetDetector("TPC");
- AliTPCParam *digp = (AliTPCParam*)file->Get(pname);
- if (digp!=0) TPC->SetParam(digp);
- */
- TFile *cf=TFile::Open("AliTPCclusters.root");
- AliTPCParam *digp= (AliTPCParam*)cf->Get("75x40_100x60");
- if (!digp) { cerr<<"TPC parameters have not been found !\n"; getchar();}
-
-
- GoodTrack gt[15000];
- Int_t ngood=0;
- ifstream in("itsgood_tracks");
-
- cerr<<"Reading itsgood tracks...\n";
- while (in>>gt[ngood].lab>>gt[ngood].code
- >>gt[ngood].px >>gt[ngood].py>>gt[ngood].pz
- >>gt[ngood].x >>gt[ngood].y >>gt[ngood].z
- >>gt[ngood].pxg >>gt[ngood].pyg >>gt[ngood].pzg
- >>gt[ngood].ptg >>gt[ngood].flag) {
- ngood++;
- cerr<<ngood<<'\r';
- if (ngood==15000) {
- cerr<<"Too many good tracks !\n";
- break;
- }
- }
- if (!in.eof()) cerr<<"Read error (itsgood_tracks) !\n";
-
-
-// Load tracks
- // TFile *tf=TFile::Open("tpctracks.root"); //commentato 26-4-2001
- TFile *tf=TFile::Open("AliTPCtracks.root");
- if (!tf->IsOpen()) {cerr<<"Can't open AliTPCtracks.root !\n"; return ;}
- TObjArray tracks(200000);
- TTree *tracktree=(TTree*)tf->Get("TreeT");
- TBranch *tbranch=tracktree->GetBranch("tracks");
- Int_t nentr=(Int_t)tracktree->GetEntries();
- Int_t kk;
- /* commentato il 26-4-2001
- for (kk=0; kk<nentr; kk++) {
- AliTPCtrack *iotrack=new AliTPCtrack;
- tbranch->SetAddress(&iotrack);
- tracktree->GetEvent(kk);
- tracks.AddLast(iotrack);
- }
- */
- AliTPCtrack *iotracktpc=0;
- for (kk=0; kk<nentr; kk++) {
- iotracktpc=new AliTPCtrack;
- tbranch->SetAddress(&iotracktpc);
- tracktree->GetEvent(kk);
- tracks.AddLast(iotracktpc);
- }
- tf->Close();
-
-
- Int_t nt = tracks.GetEntriesFast();
- cerr<<"Number of found tracks "<<nt<<endl;
-
- TVector DataOut(9);
- Int_t kkk=0;
-
- Double_t ptg=0.,pxg=0.,pyg=0.,pzg=0.;
-
- ////////////////////////////// good tracks definition in TPC ////////////////////////////////
-
- ofstream out1 ("AliITSTrag.out");
- Int_t i;
- for (i=0; i<ngood; i++) out1 << gt[i].ptg << "\n";
- out1.close();
-
-
- TVector vec(5);
- TTree *TR=gAlice->TreeR();
- Int_t nent=(Int_t)TR->GetEntries();
- TClonesArray *recPoints = RecPoints();
- Int_t numbpoints;
- Int_t totalpoints=0;
- Int_t *np = new Int_t[nent];
- Int_t **vettid = new Int_t* [nent];
- Int_t mod;
- for (mod=0; mod<nent; mod++) {
- vettid[mod]=0;
- this->ResetRecPoints();
- //gAlice->TreeR()->GetEvent(mod+1); //first entry in TreeR is empty
- gAlice->TreeR()->GetEvent(mod); //first entry in TreeR is empty
- numbpoints = recPoints->GetEntries();
- totalpoints+=numbpoints;
- np[mod] = numbpoints;
- //cout<<" mod = "<<mod<<" numbpoints = "<<numbpoints<<"\n"; getchar();
- vettid[mod] = new Int_t[numbpoints];
- Int_t ii;
- for (ii=0;ii<numbpoints; ii++) *(vettid[mod]+ii)=0;
- }
-
- AliTPCtrack *track=0;
+ ////////////// good tracks definition in TPC ///////////////
-
- if(min_t < 0) {min_t = 0; max_t = nt-1;}
+ ofstream out1 ("AliITSTrag.out");
+ Int_t i;
+ for (i=0; i<ngood; i++) out1 << gt[i].ptg << "\n";
+ out1.close();
+
+
+ TVector vec(5);
+ TTree *TR=gAlice->TreeR();
+ Int_t nent=(Int_t)TR->GetEntries();
+ TClonesArray *recPoints = RecPoints();
+ Int_t numbpoints;
+ Int_t totalpoints=0;
+ Int_t *np = new Int_t[nent];
+ Int_t **vettid = new Int_t* [nent];
+ Int_t mod;
+ for (mod=0; mod<nent; mod++) {
+ vettid[mod]=0;
+ this->ResetRecPoints();
+ //gAlice->TreeR()->GetEvent(mod+1); //first entry in TreeR is empty
+ gAlice->TreeR()->GetEvent(mod); //first entry in TreeR is empty
+ numbpoints = recPoints->GetEntries();
+ totalpoints+=numbpoints;
+ np[mod] = numbpoints;
+ //cout<<" mod = "<<mod<<" numbpoints = "<<numbpoints<<"\n";getchar();
+ vettid[mod] = new Int_t[numbpoints];
+ Int_t ii;
+ for (ii=0;ii<numbpoints; ii++) *(vettid[mod]+ii)=0;
+ } // end for mod
+
+ AliTPCtrack *track=0;
+
+ if(min_t < 0) {min_t = 0; max_t = nt-1;}
/*
- ///////////////////////////////// Definition of vertex end its error ////////////////////////////
- ////////////////////////// In the future it will be given by a method ///////////////////////////
+ //////////////////// Definition of vertex end its error ////////////////////
+ ////////////// In the future it will be given by a method //////////////////
Double_t Vx=0.;
Double_t Vy=0.;
Double_t Vz=0.;
-
+
Float_t sigmavx=0.0050; // 50 microns
Float_t sigmavy=0.0050; // 50 microns
Float_t sigmavz=0.010; // 100 microns
TVector vertex(3), ervertex(3)
vertex(0)=Vx; vertex(1)=Vy; vertex(2)=Vz;
ervertex(0)=sigmavx; ervertex(1)=sigmavy; ervertex(2)=sigmavz;
- /////////////////////////////////////////////////////////////////////////////////////////////////
-*/
-
-
- TTree tracktree1("TreeT","Tree with ITS tracks");
- AliITSiotrack *iotrack=0;
- tracktree1.Branch("ITStracks","AliITSiotrack",&iotrack,32000,0);
+ //////////////////////////////////////////////////////////////////////////
+*/
- ofstream out ("AliITSTra.out");
- //ofstream outprova ("AliITSprova.out"); //commentato il 26-4-2001
-
- Int_t j;
- for (j=min_t; j<=max_t; j++) {
- track=(AliTPCtrack*)tracks.UncheckedAt(j);
- Int_t flaglab=0;
- if (!track) continue;
- ////// elimination of not good tracks ////////////
- Int_t ilab=TMath::Abs(track->GetLabel());
- Int_t iii;
- for (iii=0;iii<ngood;iii++) {
- //cout<<" ilab, gt[iii].lab = "<<ilab<<" "<<gt[iii].lab<<"\n"; getchar();
- if (ilab==gt[iii].lab) {
- flaglab=1;
- ptg=gt[iii].ptg;
- pxg=gt[iii].pxg;
- pyg=gt[iii].pyg;
- pzg=gt[iii].pzg;
- break;
- }
- }
- //cout<<" j flaglab = " <<j<<" "<<flaglab<<"\n"; getchar();
- if (!flaglab) continue;
- //cout<<" j = " <<j<<"\n"; getchar();
- /*
- ////// old propagation to the end of TPC //////////////
- Double_t xk=76.;
- track->PropagateTo(xk);
- xk-=0.11;
- track->PropagateTo(xk,42.7,2.27); //C
- xk-=2.6;
- track->PropagateTo(xk,36.2,1.98e-3); //C02
- xk-=0.051;
- track->PropagateTo(xk,42.7,2.27); //C
- ///////////////////////////////////////////////////
- */
-
- ////// new propagation to the end of TPC //////////////
- Double_t xk=77.415;
- track->PropagateTo(xk, 28.94, 1.204e-3); //Ne
- xk -=0.01;
- track->PropagateTo(xk, 44.77, 1.71); //Tedlar
- xk -=0.04;
- track->PropagateTo(xk, 44.86, 1.45); //Kevlar
- xk -=2.0;
- track->PropagateTo(xk, 41.28, 0.029); //Nomex
- xk-=16;
- track->PropagateTo(xk,36.2,1.98e-3); //C02
- xk -=0.01;
- track->PropagateTo(xk, 24.01, 2.7); //Al
- xk -=0.01;
- track->PropagateTo(xk, 44.77, 1.71); //Tedlar
- xk -=0.04;
- track->PropagateTo(xk, 44.86, 1.45); //Kevlar
- xk -=0.5;
- track->PropagateTo(xk, 41.28, 0.029); //Nomex
-
- ///////////////////////////////////////////////////////////////
-
- ///////////////////////////////////////////////////////////////
- AliITStrack trackITS(*track);
- AliITStrack result(*track);
- AliITStrack primarytrack(*track);
+ TTree tracktree1("TreeT","Tree with ITS tracks");
+ AliITSiotrack *iotrack=0;
+ tracktree1.Branch("ITStracks","AliITSiotrack",&iotrack,32000,0);
+
+ ofstream out ("AliITSTra.out");
+ //ofstream outprova ("AliITSprova.out"); //commentato il 26-4-2001
+
+ Int_t j;
+ for (j=min_t; j<=max_t; j++) {
+ track=(AliTPCtrack*)tracks.UncheckedAt(j);
+ Int_t flaglab=0;
+ if (!track) continue;
+ ////// elimination of not good tracks ////////////
+ Int_t ilab=TMath::Abs(track->GetLabel());
+ Int_t iii;
+ for (iii=0;iii<ngood;iii++) {
+ //cout<<" ilab, gt[iii].lab = "<<ilab<<" "<<gt[iii].lab<<"\n";getchar();
+ if (ilab==gt[iii].lab) {
+ flaglab=1;
+ ptg=gt[iii].ptg;
+ pxg=gt[iii].pxg;
+ pyg=gt[iii].pyg;
+ pzg=gt[iii].pzg;
+ break;
+ } // end if ilab==
+ } // end for iii
+ //cout<<" j flaglab = " <<j<<" "<<flaglab<<"\n"; getchar();
+ if (!flaglab) continue;
+ //cout<<" j = " <<j<<"\n"; getchar();
+ /*
+ ////// old propagation to the end of TPC //////////////
+ Double_t xk=76.;
+ track->PropagateTo(xk);
+ xk-=0.11;
+ track->PropagateTo(xk,42.7,2.27); //C
+ xk-=2.6;
+ track->PropagateTo(xk,36.2,1.98e-3); //C02
+ xk-=0.051;
+ track->PropagateTo(xk,42.7,2.27); //C
+ ///////////////////////////////////////////////////
+ */
+ ////// new propagation to the end of TPC //////////////
+ Double_t xk=77.415;
+ track->PropagateTo(xk, 28.94, 1.204e-3); //Ne
+ xk -=0.01;
+ track->PropagateTo(xk, 44.77, 1.71); //Tedlar
+ xk -=0.04;
+ track->PropagateTo(xk, 44.86, 1.45); //Kevlar
+ xk -=2.0;
+ track->PropagateTo(xk, 41.28, 0.029); //Nomex
+ xk-=16;
+ track->PropagateTo(xk,36.2,1.98e-3); //C02
+ xk -=0.01;
+ track->PropagateTo(xk, 24.01, 2.7); //Al
+ xk -=0.01;
+ track->PropagateTo(xk, 44.77, 1.71); //Tedlar
+ xk -=0.04;
+ track->PropagateTo(xk, 44.86, 1.45); //Kevlar
+ xk -=0.5;
+ track->PropagateTo(xk, 41.28, 0.029); //Nomex
+ ///////////////////////////////////////////////////////////////
+
+ ///////////////////////////////////////////////////////////////
+ AliITStrack trackITS(*track);
+ AliITStrack result(*track);
+ AliITStrack primarytrack(*track);
-///////////////////////////////////////////////////////////////////////////////////////////////
- TVector Vgeant(3);
- Vgeant=result.GetVertex();
-
- // Definition of Dv and Zv for vertex constraint
- Double_t sigmaDv=0.0050; Double_t sigmaZv=0.010;
- //Double_t sigmaDv=0.0015; Double_t sigmaZv=0.0015;
+ /////////////////////////////////////////////////////////////////
+ TVector Vgeant(3);
+ Vgeant=result.GetVertex();
+
+ // Definition of Dv and Zv for vertex constraint
+ Double_t sigmaDv=0.0050; Double_t sigmaZv=0.010;
+ //Double_t sigmaDv=0.0015; Double_t sigmaZv=0.0015;
Double_t uniform= gRandom->Uniform();
Double_t signdv;
if(uniform<=0.5) signdv=-1.;
- else
- signdv=1.;
-
- Double_t Vr=TMath::Sqrt(Vgeant(0)*Vgeant(0)+ Vgeant(1)*Vgeant(1));
- Double_t Dv=gRandom->Gaus(signdv*Vr,(Float_t)sigmaDv);
- Double_t Zv=gRandom->Gaus(Vgeant(2),(Float_t)sigmaZv);
-
- //cout<<" Dv e Zv = "<<Dv<<" "<<Zv<<"\n";
- trackITS.SetDv(Dv); trackITS.SetZv(Zv);
- trackITS.SetsigmaDv(sigmaDv); trackITS.SetsigmaZv(sigmaZv);
- result.SetDv(Dv); result.SetZv(Zv);
- result.SetsigmaDv(sigmaDv); result.SetsigmaZv(sigmaZv);
- primarytrack.SetDv(Dv); primarytrack.SetZv(Zv);
- primarytrack.SetsigmaDv(sigmaDv); primarytrack.SetsigmaZv(sigmaZv);
-
-/////////////////////////////////////////////////////////////////////////////////////////////////
-
- primarytrack.PrimaryTrack(rl);
- TVector d2=primarytrack.Getd2();
- TVector tgl2=primarytrack.Gettgl2();
- TVector dtgl=primarytrack.Getdtgl();
- trackITS.Setd2(d2); trackITS.Settgl2(tgl2); trackITS.Setdtgl(dtgl);
- result.Setd2(d2); result.Settgl2(tgl2); result.Setdtgl(dtgl);
- /*
- trackITS.SetVertex(vertex); trackITS.SetErrorVertex(ervertex);
- result.SetVertex(vertex); result.SetErrorVertex(ervertex);
- */
-
- Tracking(trackITS,&result,recPoints,vettid, flagvert,rl);
-
- // cout<<" progressive track number = "<<j<<"\r";
- // cout<<j<<"\r";
- Int_t NumofCluster=result.GetNumClust();
-// cout<<" progressive track number = "<<j<<"\n"; // stampa
- Long_t labITS=result.GetLabel();
-// cout << " ITS track label = " << labITS << "\n"; // stampa
- int lab=track->GetLabel();
-// cout << " TPC track label = " << lab <<"\n"; // stampa
-
-
-//propagation to vertex
-
- Double_t rbeam=3.;
-
- result.Propagation(rbeam);
-
- Double_t C00,C10,C11,C20,C21,C22,C30,C31,C32,C33,C40,C41,C42,C43,C44;
- result.GetCElements(C00,C10,C11,C20,C21,C22,C30,C31,C32,C33,C40,C41,C42,C43,C44);
-
- Double_t pt=TMath::Abs(result.GetPt());
- Double_t Dr=result.GetD();
- Double_t Z=result.GetZ();
- Double_t tgl=result.GetTgl();
- Double_t C=result.GetC();
- Double_t Cy=C/2.;
- Double_t Dz=Z-(tgl/Cy)*TMath::ASin(result.arga(rbeam));
- Dz-=Vgeant(2);
-
- // cout<<" Dr e dz alla fine = "<<Dr<<" "<<Dz<<"\n"; getchar();
- Double_t phi=result.Getphi();
- Double_t phivertex = phi - TMath::ASin(result.argA(rbeam));
- Double_t duepi=2.*TMath::Pi();
- if(phivertex>duepi) phivertex-=duepi;
- if(phivertex<0.) phivertex+=duepi;
- Double_t Dtot=TMath::Sqrt(Dr*Dr+Dz*Dz);
-
-//////////////////////////////////////////////////////////////////////////////////////////
-
- Int_t idmodule,idpoint;
- if(NumofCluster >=5) { // cinque - sei
- //if(NumofCluster ==6) { // cinque - sei
-
-
- AliITSiotrack outtrack;
-
- iotrack=&outtrack;
-
- iotrack->SetStatePhi(phi);
- iotrack->SetStateZ(Z);
- iotrack->SetStateD(Dr);
- iotrack->SetStateTgl(tgl);
- iotrack->SetStateC(C);
- Double_t radius=result.Getrtrack();
- iotrack->SetRadius(radius);
- Int_t charge;
- if(C>0.) charge=-1; else charge=1;
- iotrack->SetCharge(charge);
-
-
+ else
+ signdv=1.;
- iotrack->SetCovMatrix(C00,C10,C11,C20,C21,C22,C30,C31,C32,C33,C40,C41,C42,C43,C44);
-
- Double_t px=pt*TMath::Cos(phivertex);
- Double_t py=pt*TMath::Sin(phivertex);
- Double_t pz=pt*tgl;
-
- Double_t xtrack=Dr*TMath::Sin(phivertex);
- Double_t ytrack=Dr*TMath::Cos(phivertex);
- Double_t ztrack=Dz+Vgeant(2);
-
-
- iotrack->SetPx(px);
- iotrack->SetPy(py);
- iotrack->SetPz(pz);
- iotrack->SetX(xtrack);
- iotrack->SetY(ytrack);
- iotrack->SetZ(ztrack);
- iotrack->SetLabel(labITS);
-
- Int_t il;
- for(il=0;il<6; il++){
- iotrack->SetIdPoint(il,result.GetIdPoint(il));
- iotrack->SetIdModule(il,result.GetIdModule(il));
- }
- tracktree1.Fill();
-
- //cout<<" labITS = "<<labITS<<"\n";
- //cout<<" phi z Dr tgl C = "<<phi<<" "<<Z<<" "<<Dr<<" "<<tgl<<" "<<C<<"\n"; getchar();
-
- DataOut(kkk) = ptg; kkk++; DataOut(kkk)=labITS; kkk++; DataOut(kkk)=lab; kkk++;
-
- for (il=0;il<6;il++) {
- idpoint=result.GetIdPoint(il);
- idmodule=result.GetIdModule(il);
- *(vettid[idmodule]+idpoint)=1;
- iotrack->SetIdPoint(il,idpoint);
- iotrack->SetIdModule(il,idmodule);
- }
-
- // cout<<" +++++++++++++ pt e ptg = "<<pt<<" "<<ptg<<" ++++++++++\n";
- Double_t difpt= (pt-ptg)/ptg*100.;
- DataOut(kkk)=difpt; kkk++;
- Double_t lambdag=TMath::ATan(pzg/ptg);
- Double_t lam=TMath::ATan(tgl);
- Double_t diflam = (lam - lambdag)*1000.;
- DataOut(kkk) = diflam; kkk++;
- Double_t phig=TMath::ATan2(pyg,pxg); if(phig<0) phig=2.*TMath::Pi()+phig;
- Double_t phi=phivertex;
-
- Double_t difphi = (phi - phig)*1000.;
- DataOut(kkk)=difphi; kkk++;
- DataOut(kkk)=Dtot*1.e4; kkk++;
- DataOut(kkk)=Dr*1.e4; kkk++;
- DataOut(kkk)=Dz*1.e4; kkk++;
- Int_t r;
- for (r=0; r<9; r++) { out<<DataOut(r)<<" ";}
- out<<"\n";
- kkk=0;
+ Double_t Vr=TMath::Sqrt(Vgeant(0)*Vgeant(0)+ Vgeant(1)*Vgeant(1));
+ Double_t Dv=gRandom->Gaus(signdv*Vr,(Float_t)sigmaDv);
+ Double_t Zv=gRandom->Gaus(Vgeant(2),(Float_t)sigmaZv);
-
- } // end if on NumofCluster
- //gObjectTable->Print(); // stampa memoria
- } // end for (int j=min_t; j<=max_t; j++)
-
- out.close();
- //outprova.close();
+ //cout<<" Dv e Zv = "<<Dv<<" "<<Zv<<"\n";
+ trackITS.SetDv(Dv); trackITS.SetZv(Zv);
+ trackITS.SetsigmaDv(sigmaDv); trackITS.SetsigmaZv(sigmaZv);
+ result.SetDv(Dv); result.SetZv(Zv);
+ result.SetsigmaDv(sigmaDv); result.SetsigmaZv(sigmaZv);
+ primarytrack.SetDv(Dv); primarytrack.SetZv(Zv);
+ primarytrack.SetsigmaDv(sigmaDv); primarytrack.SetsigmaZv(sigmaZv);
+
+ ////////////////////////////////////////////////////////////////
+
+ primarytrack.PrimaryTrack(rl);
+ TVector d2=primarytrack.Getd2();
+ TVector tgl2=primarytrack.Gettgl2();
+ TVector dtgl=primarytrack.Getdtgl();
+ trackITS.Setd2(d2); trackITS.Settgl2(tgl2); trackITS.Setdtgl(dtgl);
+ result.Setd2(d2); result.Settgl2(tgl2); result.Setdtgl(dtgl);
+ /*
+ trackITS.SetVertex(vertex); trackITS.SetErrorVertex(ervertex);
+ result.SetVertex(vertex); result.SetErrorVertex(ervertex);
+ */
+
+
+ Tracking(trackITS,&result,recPoints,vettid, flagvert,rl);
+ // cout<<" progressive track number = "<<j<<"\r";
+ // cout<<j<<"\r";
+ Int_t NumofCluster=result.GetNumClust();
+ // cout<<" progressive track number = "<<j<<"\n"; // stampa
+ Long_t labITS=result.GetLabel();
+ // cout << " ITS track label = " << labITS << "\n"; // stampa
+ int lab=track->GetLabel();
+ // cout << " TPC track label = " << lab <<"\n"; // stampa
+
+ //propagation to vertex
+
+ Double_t rbeam=3.;
+
+ result.Propagation(rbeam);
+
+ Double_t C00,C10,C11,C20,C21,C22,C30,C31,C32,C33,C40,C41,C42,C43,C44;
+ result.GetCElements(C00,C10,C11,C20,C21,C22,C30,C31,C32,C33,C40,C41,C42,C43,C44);
+ Double_t pt=TMath::Abs(result.GetPt());
+ Double_t Dr=result.GetD();
+ Double_t Z=result.GetZ();
+ Double_t tgl=result.GetTgl();
+ Double_t C=result.GetC();
+ Double_t Cy=C/2.;
+ Double_t Dz=Z-(tgl/Cy)*TMath::ASin(result.arga(rbeam));
+ Dz-=Vgeant(2);
+
+ // cout<<" Dr e dz alla fine = "<<Dr<<" "<<Dz<<"\n"; getchar();
+ Double_t phi=result.Getphi();
+ Double_t phivertex = phi - TMath::ASin(result.argA(rbeam));
+ Double_t duepi=2.*TMath::Pi();
+ if(phivertex>duepi) phivertex-=duepi;
+ if(phivertex<0.) phivertex+=duepi;
+ Double_t Dtot=TMath::Sqrt(Dr*Dr+Dz*Dz);
+
+ /////////////////////////////////////////////////////////////////////
+
+ Int_t idmodule,idpoint;
+ if(NumofCluster >=5) { // cinque - sei
+ //if(NumofCluster ==6) { // cinque - sei
+
+ AliITSiotrack outtrack;
+
+ iotrack=&outtrack;
+
+ iotrack->SetStatePhi(phi);
+ iotrack->SetStateZ(Z);
+ iotrack->SetStateD(Dr);
+ iotrack->SetStateTgl(tgl);
+ iotrack->SetStateC(C);
+ Double_t radius=result.Getrtrack();
+ iotrack->SetRadius(radius);
+ Int_t charge;
+ if(C>0.) charge=-1; else charge=1;
+ iotrack->SetCharge(charge);
+
+
+ iotrack->SetCovMatrix(C00,C10,C11,C20,C21,C22,C30,C31,C32,C33,C40,C41,C42,C43,C44);
+
+ Double_t px=pt*TMath::Cos(phivertex);
+ Double_t py=pt*TMath::Sin(phivertex);
+ Double_t pz=pt*tgl;
+
+ Double_t xtrack=Dr*TMath::Sin(phivertex);
+ Double_t ytrack=Dr*TMath::Cos(phivertex);
+ Double_t ztrack=Dz+Vgeant(2);
+
+
+ iotrack->SetPx(px);
+ iotrack->SetPy(py);
+ iotrack->SetPz(pz);
+ iotrack->SetX(xtrack);
+ iotrack->SetY(ytrack);
+ iotrack->SetZ(ztrack);
+ iotrack->SetLabel(labITS);
+
+ Int_t il;
+ for(il=0;il<6; il++){
+ iotrack->SetIdPoint(il,result.GetIdPoint(il));
+ iotrack->SetIdModule(il,result.GetIdModule(il));
+ } // end for il
+ tracktree1.Fill();
+
+ //cout<<" labITS = "<<labITS<<"\n";
+ //cout<<" phi z Dr tgl C = "<<phi<<" "<<Z<<" "<<Dr<<" "<<tgl<<" "<<C<<"\n"; getchar();
+
+ DataOut(kkk) = ptg; kkk++; DataOut(kkk)=labITS; kkk++; DataOut(kkk)=lab; kkk++;
+
+ for (il=0;il<6;il++) {
+ idpoint=result.GetIdPoint(il);
+ idmodule=result.GetIdModule(il);
+ *(vettid[idmodule]+idpoint)=1;
+ iotrack->SetIdPoint(il,idpoint);
+ iotrack->SetIdModule(il,idmodule);
+ } // end for il
+
+ // cout<<" +++++++++++++ pt e ptg = "<<pt<<" "<<ptg<<" ++++++++++\n";
+ /* /// provvisorio il 23-5-2001
+ Double_t pg=TMath::Sqrt(pxg*pxg+pyg*pyg+pzg*pzg);
+ Double_t cosl=TMath::Sqrt(1./(1.+tgl*tgl));
+ Double_t ptot=pt/cosl;
+ cout<<"ptot e pg = "<<ptot<<" "<<pg<<"\n";
+ Double_t difpt= (ptot-pg)/pg*100.;
+ */
+ ///////////////////////////////
+ Double_t difpt= (pt-ptg)/ptg*100.; //coomentato prov il 23-5-2001
+ DataOut(kkk)=difpt; kkk++;
+ Double_t lambdag=TMath::ATan(pzg/ptg);
+ Double_t lam=TMath::ATan(tgl);
+ Double_t diflam = (lam - lambdag)*1000.;
+ DataOut(kkk) = diflam; kkk++;
+ Double_t phig=TMath::ATan2(pyg,pxg);
+ if(phig<0) phig=2.*TMath::Pi()+phig;
+ Double_t phi=phivertex;
+
+ Double_t difphi = (phi - phig)*1000.;
+ DataOut(kkk)=difphi; kkk++;
+ DataOut(kkk)=Dtot*1.e4; kkk++;
+ DataOut(kkk)=Dr*1.e4; kkk++;
+ DataOut(kkk)=Dz*1.e4; kkk++;
+ Int_t r;
+ for (r=0; r<9; r++) { out<<DataOut(r)<<" ";}
+ out<<"\n";
+ kkk=0;
+
+ } // end if on NumofCluster
+ //gObjectTable->Print(); // stampa memoria
+ } // end for (int j=min_t; j<=max_t; j++)
+
+ out.close();
+ //outprova.close();
- static Bool_t first=kTRUE;
- static TFile *tfile;
+ static Bool_t first=kTRUE;
+ static TFile *tfile;
- if(first) {
- tfile=new TFile("itstracks.root","RECREATE");
- //cout<<"I have opened itstracks.root file "<<endl;
- }
- first=kFALSE;
- tfile->cd();
- tfile->ls();
+ if(first) {
+ tfile=new TFile("itstracks.root","RECREATE");
+ //cout<<"I have opened itstracks.root file "<<endl;
+ } // end if first
+ first=kFALSE;
+ tfile->cd();
+ tfile->ls();
- char hname[30];
- sprintf(hname,"TreeT%d",evNumber);
+ char hname[30];
+ sprintf(hname,"TreeT%d",evNumber);
- tracktree1.Write(hname);
+ tracktree1.Write(hname);
- TTree *fAli=gAlice->TreeK();
- TFile *fileAli=0;
+ TTree *fAli=gAlice->TreeK();
+ TFile *fileAli=0;
- if (fAli) fileAli =fAli->GetCurrentFile();
- fileAli->cd();
+ if (fAli) fileAli =fAli->GetCurrentFile();
+ fileAli->cd();
- ////////////////////////////////////////////////////////////////////////////////////////////////
+ ///////////////////////////////////////////////////////////////////
- printf("delete vectors\n");
- if(np) delete [] np;
- if(vettid) delete [] vettid;
-
+ printf("delete vectors\n");
+ if(np) delete [] np;
+ if(vettid) delete [] vettid;
}
-
--- /dev/null
+/****************************************************************************
+ * This macro is supposed to do reconstruction in the barrel ALICE trackers *
+ * (Make sure you have TPC digits and ITS hits before using this macro !!!) *
+ * It does the following steps (April 12, 2001): *
+ * 1) TPC cluster finding *
+ * 2) TPC track finding *
+ * 3) ITS cluster finding V2 (via fast points !) *
+ * 4) ITS track finding V2 *
+ * 5) ITS back track propagation V2 *
+ * 6) TPC back track propagation *
+ * (Origin: I.Belikov, CERN, Jouri.Belikov@cern.ch) *
+ ****************************************************************************/
+
+#ifndef __CINT__
+ #include "alles.h"
+ #include "AliMagF.h"
+ #include "AliTPCtracker.h"
+
+ #include "AliITS.h"
+ #include "AliITSgeom.h"
+ #include "AliITSRecPoint.h"
+ #include "AliITSclusterV2.h"
+ #include "AliITSsimulationFastPoints.h"
+ #include "AliITStrackerV2.h"
+#endif
+
+Int_t TPCFindClusters(const Char_t *inname, const Char_t *outname);
+Int_t TPCFindTracks(const Char_t *inname, const Char_t *outname);
+Int_t TPCSortTracks(const Char_t *inname, const Char_t *outname);
+Int_t TPCPropagateBack(const Char_t *inname, const Char_t *outname);
+
+Int_t ITSFindClusters(const Char_t *inname, const Char_t *outname);
+Int_t ITSFindTracks(const Char_t *inname, const Char_t *outname);
+Int_t ITSPropagateBack(const Char_t *inname, const Char_t *outname);
+
+
+Int_t AliTPCtracknew() {
+ const Char_t *TPCdigName="galice.root";
+ const Char_t *TPCclsName="AliTPCclusters.root";
+ const Char_t *TPCtrkName="AliTPCtracks.root";
+
+ const Char_t *ITSdigName="galice.root";
+ const Char_t *ITSclsName="AliITSclustersV2.root";
+ const Char_t *ITStrkName="AliITStracksV2.root";
+
+ AliKalmanTrack::SetConvConst(100/0.299792458/0.2/gAlice->Field()->Factor());
+ // AliKalmanTrack::SetConvConst(100/0.299792458/0.2/2);
+// ********** Find TPC clusters *********** //
+ if (TPCFindClusters(TPCdigName,TPCclsName)) {
+ cerr<<"Failed to get TPC clusters !\n";
+ return 1;
+ }
+
+// ********** Find TPC tracks *********** //
+ if (TPCFindTracks(TPCclsName,TPCtrkName)) {
+ cerr<<"Failed to get TPC tracks !\n";
+ return 1;
+ }
+
+// ********** Sort and label TPC tracks *********** //
+ if (TPCSortTracks(TPCclsName,TPCtrkName)) {
+ cerr<<"Failed to sort TPC tracks !\n";
+ return 1;
+ }
+/*
+// ********** Find ITS clusters *********** //
+ if (ITSFindClusters(ITSdigName,ITSclsName)) {
+ cerr<<"Failed to get ITS clusters !\n";
+ return 1;
+ }
+
+// ********** Find ITS tracks *********** //
+ {TFile *clsFile=TFile::Open(ITSclsName);
+ if (ITSFindTracks(TPCtrkName,ITStrkName)) {
+ cerr<<"Failed to get ITS tracks !\n";
+ return 1;
+ }
+ clsFile->Close();}
+
+// ********** Back propagation of the ITS tracks *********** //
+ {TFile *clsFile=TFile::Open(ITSclsName);
+ if (ITSPropagateBack(ITStrkName,TPCtrkName)) {
+ cerr<<"Failed to propagate back the ITS tracks !\n";
+ return 1;
+ }
+ clsFile->Close();}
+
+
+// ********** Back propagation of the TPC tracks *********** //
+ {TFile *clsFile=TFile::Open(TPCclsName);
+ if (TPCPropagateBack(TPCtrkName,TPCtrkName)) {
+ cerr<<"Failed to propagate back the TPC tracks !\n";
+ return 1;
+ }
+ clsFile->Close();}
+*/
+ return 0;
+}
+
+
+Int_t TPCFindClusters(const Char_t *inname, const Char_t *outname) {
+ Int_t rc=0;
+ const Char_t *name="TPCFindClusters";
+ cerr<<'\n'<<name<<"...\n";
+ gBenchmark->Start(name);
+
+ TFile *out=TFile::Open(outname,"recreate");
+ TFile *in =TFile::Open(inname);
+
+ AliTPCParam *param=(AliTPCParam *)in->Get("75x40_100x60");
+ if (!param) {cerr<<"TPC parameters have not been found !\n"; return 1;}
+ AliTPCv2 tpc;
+ tpc.SetParam(param);
+
+ tpc.Digits2Clusters(out);
+
+ in->Close();
+ out->Close();
+ gBenchmark->Stop(name);
+ gBenchmark->Show(name);
+
+ return rc;
+}
+
+Int_t TPCFindTracks(const Char_t *inname, const Char_t *outname) {
+ Int_t rc=0;
+ const Char_t *name="TPCFindTracks";
+ cerr<<'\n'<<name<<"...\n";
+ gBenchmark->Start(name);
+ TFile *out=TFile::Open(outname,"recreate");
+ TFile *in =TFile::Open(inname);
+ AliTPCParam *param=(AliTPCParam *)in->Get("75x40_100x60");
+ if (!param) {cerr<<"TPC parameters have not been found !\n"; return 1;}
+
+ AliTPCtracker *tracker=new AliTPCtracker(param);
+ rc=tracker->Clusters2Tracks(0,out);
+ delete tracker;
+
+ in->Close();
+ out->Close();
+ gBenchmark->Stop(name);
+ gBenchmark->Show(name);
+
+ return rc;
+}
+
+Int_t TPCSortTracks(const Char_t *inname, const Char_t *outname) {
+ Int_t rc=0;
+ const Char_t *name="TPCSortTracks";
+ cerr<<'\n'<<name<<"...\n";
+ gBenchmark->Start(name);
+
+ TFile *out=TFile::Open(outname);
+ TFile *in =TFile::Open(inname);
+ AliTPCParam *param=(AliTPCParam *)in->Get("75x40_100x60");
+ if (!param) {cerr<<"TPC parameters have not been found !\n"; return 1;}
+
+ TObjArray tarray(10000);
+ AliTPCtrack *iotrack=0;
+ Int_t i;
+
+ out->cd();
+ TTree *tracktree=(TTree*)out->Get("TPCf");
+ TBranch *tbranch=tracktree->GetBranch("tracks");
+ Int_t nentr=(Int_t)tracktree->GetEntries();
+ for (i=0; i<nentr; i++) {
+ iotrack=new AliTPCtrack;
+ tbranch->SetAddress(&iotrack);
+ tracktree->GetEvent(i);
+ tarray.AddLast(iotrack);
+ }
+ tarray.Sort();
+ out->Close();
+
+ //assign thacks GEANT labels
+ in->cd();
+ AliTPCtracker *tracker = new AliTPCtracker(param);
+ tracker->LoadInnerSectors();
+ tracker->LoadOuterSectors();
+ for (i=0; i<nentr; i++) {
+ iotrack=(AliTPCtrack*)tarray.UncheckedAt(i);
+ tracker->CookLabel(iotrack,0.1);
+ }
+ delete tracker;
+ in->Close();
+ //end of GEANT label assignment
+
+ out=TFile::Open(outname,"recreate");
+ tracktree=new TTree("TPCf","Tree with TPC tracks");
+ tracktree->Branch("tracks","AliTPCtrack",&iotrack,32000,0);
+ for (i=0; i<nentr; i++) {
+ iotrack=(AliTPCtrack*)tarray.UncheckedAt(i);
+ tracktree->Fill();
+ }
+ tracktree->Write();
+ out->Close();
+
+ gBenchmark->Stop(name);
+ gBenchmark->Show(name);
+
+ return rc;
+}
+
+Int_t ITSFindClusters(const Char_t *inname, const Char_t *outname) {
+ Int_t rc=0;
+ const Char_t *name="ITSFindClusters";
+ cerr<<'\n'<<name<<"...\n";
+ gBenchmark->Start(name);
+ TFile *out=TFile::Open(outname,"recreate");
+ TFile *in =TFile::Open(inname,"update");
+
+ if (!(gAlice=(AliRun*)in->Get("gAlice"))) {
+ cerr<<"Can't get gAlice !\n";
+ return 1;
+ }
+ Int_t ev=0;
+ gAlice->GetEvent(ev);
+ AliITS *ITS = (AliITS*)gAlice->GetModule("ITS");
+ if (!ITS) { cerr<<"Can't get the ITS !\n"; return 1;}
+
+ gAlice->MakeTree("R"); ITS->MakeBranch("R",0);
+ //////////////// Taken from ITSHitsToFastPoints.C ///////////////////////
+ AliITSsimulationFastPoints *sim = new AliITSsimulationFastPoints();
+ for (Int_t i=0;i<3;i++) { ITS->SetSimulationModel(i,sim); }
+ Int_t nsignal=25;
+ Int_t size=-1;
+ Int_t bgr_ev=Int_t(ev/nsignal);
+ ITS->HitsToFastRecPoints(ev,bgr_ev,size," ","All"," ");
+ //////////////////////////////////////////////////////////////////////////
+
+ gAlice->GetEvent(ev);
+
+ AliITSgeom *geom=ITS->GetITSgeom();
+ out->cd();
+ geom->Write();
+
+ TClonesArray *clusters=new TClonesArray("AliITSclusterV2",10000);
+ TTree *cTree=new TTree("cTree","ITS clusters");
+ cTree->Branch("Clusters",&clusters);
+
+ TTree *pTree=gAlice->TreeR();
+ if (!pTree) { cerr<<"Can't get TreeR !\n"; return 1; }
+ TBranch *branch=pTree->GetBranch("ITSRecPoints");
+ if (!branch) { cerr<<"Can't get ITSRecPoints branch !\n"; return 1;}
+ TClonesArray *points=new TClonesArray("AliITSRecPoint",10000);
+ branch->SetAddress(&points);
+
+ TClonesArray &cl=*clusters;
+ Int_t nclusters=0;
+ Int_t nentr=(Int_t)pTree->GetEntries();
+ for (Int_t i=0; i<nentr; i++) {
+ if (!pTree->GetEvent(i)) {cTree->Fill(); continue;}
+ Int_t lay,lad,det; geom->GetModuleId(i,lay,lad,det);
+ Float_t x,y,zshift; geom->GetTrans(lay,lad,det,x,y,zshift);
+ Double_t rot[9]; geom->GetRotMatrix(lay,lad,det,rot);
+ Double_t yshift = x*rot[0] + y*rot[1];
+ Int_t ndet=(lad-1)*geom->GetNdetectors(lay) + (det-1);
+ Int_t ncl=points->GetEntriesFast();
+ nclusters+=ncl;
+ for (Int_t j=0; j<ncl; j++) {
+ AliITSRecPoint *p=(AliITSRecPoint*)points->UncheckedAt(j);
+ Float_t lp[5];
+ lp[0]=-p->GetX()-yshift; if (lay==1) lp[0]=-lp[0];
+ lp[1]=p->GetZ()+zshift;
+ lp[2]=p->GetSigmaX2();
+ lp[3]=p->GetSigmaZ2();
+ lp[4]=p->GetQ();
+ Int_t lab[6];
+ lab[0]=p->GetLabel(0);lab[1]=p->GetLabel(1);lab[2]=p->GetLabel(2);
+ lab[3]=ndet;
+
+ Int_t label=lab[0];
+ TParticle *part=(TParticle*)gAlice->Particle(label);
+ label=-3;
+ while (part->P() < 0.005) {
+ Int_t m=part->GetFirstMother();
+ if (m<0) {cerr<<"Primary momentum: "<<part->P()<<endl; break;}
+ label=m;
+ part=(TParticle*)gAlice->Particle(label);
+ }
+ if (lab[1]<0) lab[1]=label;
+ else if (lab[2]<0) lab[2]=label;
+ else cerr<<"No empty labels !\n";
+
+ new(cl[j]) AliITSclusterV2(lab,lp);
+ }
+ cTree->Fill(); clusters->Delete();
+ points->Delete();
+ }
+ cTree->Write();
+ cerr<<"Number of clusters: "<<nclusters<<endl;
+
+ delete cTree; delete clusters; delete points;
+
+ delete gAlice; gAlice=0;
+ in->Close();
+ out->Close();
+ gBenchmark->Stop(name);
+ gBenchmark->Show(name);
+
+ return rc;
+}
+
+Int_t ITSFindTracks(const Char_t *inname, const Char_t *outname) {
+ Int_t rc=0;
+ const Char_t *name="ITSFindTracks";
+ cerr<<'\n'<<name<<"...\n";
+ gBenchmark->Start(name);
+
+ AliITSgeom *geom=(AliITSgeom*)gFile->Get("AliITSgeom");
+ if (!geom) { cerr<<"can't get ITS geometry !\n"; return 1;}
+ AliITStrackerV2 tracker(geom);
+
+ TFile *out=TFile::Open(outname,"recreate");
+ TFile *in =TFile::Open(inname);
+ rc=tracker.Clusters2Tracks(in,out);
+ in->Close();
+ out->Close();
+
+ gBenchmark->Stop(name);
+ gBenchmark->Show(name);
+
+ return rc;
+}
+
+Int_t ITSPropagateBack(const Char_t *inname, const Char_t *outname) {
+ Int_t rc=0;
+ const Char_t *name="ITSPropagateBack";
+ cerr<<'\n'<<name<<"...\n";
+ gBenchmark->Start(name);
+
+ AliITSgeom *geom=(AliITSgeom*)gFile->Get("AliITSgeom");
+ if (!geom) { cerr<<"can't get ITS geometry !\n"; return 1;}
+ AliITStrackerV2 tracker(geom);
+
+ TFile *out=TFile::Open(outname,"update");
+ TFile *in =TFile::Open(inname);
+ rc=tracker.PropagateBack(in,out);
+ in->Close();
+ out->Close();
+
+ gBenchmark->Stop(name);
+ gBenchmark->Show(name);
+
+ return rc;
+}
+
+Int_t TPCPropagateBack(const Char_t *inname, const Char_t *outname) {
+ Int_t rc=0;
+ const Char_t *name="TPCPropagateBack";
+ cerr<<'\n'<<name<<"...\n";
+ gBenchmark->Start(name);
+
+ AliTPCParam *param=(AliTPCParam *)gFile->Get("75x40_100x60");
+ if (!param) {cerr<<"TPC parameters have not been found !\n"; return 1;}
+ AliTPCtracker *tracker=new AliTPCtracker(param);
+
+ TFile *out=TFile::Open(outname,"update");
+ TFile *in =TFile::Open(inname);
+ rc=tracker->PropagateBack(in,out);
+ delete tracker;
+ in->Close();
+ out->Close();
+
+ gBenchmark->Stop(name);
+ gBenchmark->Show(name);
+
+ return rc;
+}
+
git://git.uio.no / u / mrichter / AliRoot.git / commitdiff