#ifndef __CINT__
- #include <iostream.h>
+ #include <Riostream.h>
#include <fstream.h>
#include "AliRun.h"
+ #include "AliRunLoader.h"
+ #include "AliLoader.h"
+ #include "AliITSLoader.h"
#include "AliITS.h"
#include "AliITSgeom.h"
#include "AliITStrackerV2.h"
#include "AliITStrackV2.h"
#include "AliITSclusterV2.h"
+ #include "AliMagF.h"
#include "TFile.h"
#include "TTree.h"
#include "TH1.h"
+ #include "TH2.h"
#include "TObjArray.h"
#include "TStyle.h"
#include "TCanvas.h"
#endif
struct GoodTrackITS {
- Int_t event;
Int_t lab;
Int_t code;
Float_t px,py,pz;
Float_t x,y,z;
};
-Int_t AliITSComparisonV2() {
- Int_t good_tracks_its(GoodTrackITS *gt, Int_t max);
-
+Int_t AliITSComparisonV2(Int_t event=0) {
cerr<<"Doing comparison...\n";
-
- TFile *cf=TFile::Open("AliITSclustersV2.root");
- if (!cf->IsOpen()) {cerr<<"Can't open AliITSclustersV2.root !\n"; return 1;}
- AliITSgeom *geom=(AliITSgeom*)cf->Get("AliITSgeom");
- if (!geom) { cerr<<"Can't get the ITS geometry !\n"; return 2; }
- AliITStrackerV2 tracker(geom);
-
-// Load tracks
- TFile *tf=TFile::Open("AliITStracksV2.root");
- if (!tf->IsOpen()) {cerr<<"Can't open AliITStracksV2.root !\n"; return 3;}
- TObjArray tarray(2000);
- TTree *tracktree=(TTree*)tf->Get("TreeT_ITS_0");
- if (!tracktree) {cerr<<"Can't get a tree with ITS tracks !\n"; return 4;}
- TBranch *tbranch=tracktree->GetBranch("tracks");
- Int_t nentr=(Int_t)tracktree->GetEntries(),i;
- for (i=0; i<nentr; i++) {
- AliITStrackV2 *iotrack=new AliITStrackV2;
- tbranch->SetAddress(&iotrack);
- tracktree->GetEvent(i);
-
- Int_t tpcLabel=iotrack->GetLabel();
- tracker.CookLabel(iotrack,0.);
- Int_t itsLabel=iotrack->GetLabel();
- if (itsLabel != tpcLabel) iotrack->SetLabel(-TMath::Abs(itsLabel));
- if (tpcLabel < 0) iotrack->SetLabel(-TMath::Abs(itsLabel));
- /*
- if (itsLabel==1234) {
- Int_t nc=iotrack->GetNumberOfClusters();
- for (Int_t k=0; k<nc; k++) {
- Int_t index=iotrack->GetClusterIndex(k);
- AliITSclusterV2 *c=tracker.GetCluster(index);
- cout<<c->GetLabel(0)<<' '<<c->GetLabel(1)<<' '<<c->GetLabel(2)<<endl;
- }
- }
- */
- tarray.AddLast(iotrack);
+ if (gAlice)
+ {
+ delete gAlice->GetRunLoader();
+ delete gAlice;
+ gAlice=0;
+ }
+
+ AliRunLoader *rl = AliRunLoader::Open("galice.root");
+ if (!rl)
+ {
+ cerr<<"AliITSComparisonV2.C :Can't start sesion !\n";
+ return 1;
+ }
+ rl->LoadgAlice();
+ if (rl->GetAliRun())
+ AliKalmanTrack::SetConvConst(1000/0.299792458/rl->GetAliRun()->Field()->SolenoidField());
+ else
+ {
+ cerr<<"AliITSComparisonV2.C :Can't get AliRun !\n";
+ return 1;
+ }
+ rl->UnloadgAlice();
+
+ AliITSLoader* itsl = (AliITSLoader*)rl->GetLoader("ITSLoader");
+ if (itsl == 0x0)
+ {
+ cerr<<"AliITSComparisonV2.C : Can not find TPCLoader\n";
+ delete rl;
+ return 3;
+ }
+
+ const Int_t MAX=15000;
+ Int_t good_tracks_its(GoodTrackITS *gt, const Int_t max, const char* evfoldname = AliConfig::fgkDefaultEventFolderName);//declaration only
+
+ Int_t nentr=0; TObjArray tarray(2000);
+ {/* Load tracks */
+ itsl->LoadTracks();
+ TTree *tracktree=itsl->TreeT();
+ if (!tracktree) {cerr<<"Can't get a tree with ITS tracks !\n"; return 4;}
+ TBranch *tbranch=tracktree->GetBranch("tracks");
+ nentr=(Int_t)tracktree->GetEntries();
+
+ for (Int_t i=0; i<nentr; i++) {
+ AliITStrackV2 *iotrack=new AliITStrackV2;
+ tbranch->SetAddress(&iotrack);
+ tracktree->GetEvent(i);
+ tarray.AddLast(iotrack);
+ }
+ itsl->UnloadTracks();
}
- delete tracktree; //Thanks to Mariana Bondila
- tf->Close();
- delete geom; //Thanks to Mariana Bondila
- cf->Close();
-/////////////////////////////////////////////////////////////////////////
- const Int_t MAX=15000;
+ /* Generate a list of "good" tracks */
GoodTrackITS gt[MAX];
Int_t ngood=0;
ifstream in("good_tracks_its");
if (in) {
cerr<<"Reading good tracks...\n";
- while (in>>gt[ngood].event>>gt[ngood].lab>>gt[ngood].code>>
+ 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) {
ngood++;
if (!in.eof()) cerr<<"Read error (good_tracks_its) !\n";
} else {
cerr<<"Marking good tracks (this will take a while)...\n";
- ngood=good_tracks_its(gt,MAX);
+ ngood=good_tracks_its(gt,MAX,AliConfig::fgkDefaultEventFolderName);
ofstream out("good_tracks_its");
if (out) {
for (Int_t ngd=0; ngd<ngood; ngd++)
- out<<gt[ngd].event<<' '<<gt[ngd].lab<<' '<<gt[ngd].code<<' '
+ out<<gt[ngd].lab<<' '<<gt[ngd].code<<' '
<<gt[ngd].px<<' '<<gt[ngd].py<<' '<<gt[ngd].pz<<' '
<<gt[ngd].x <<' '<<gt[ngd].y <<' '<<gt[ngd].z <<endl;
} else cerr<<"Can not open file (good_tracks_its) !\n";
out.close();
}
- cerr<<"Number of good tracks : "<<ngood<<endl;
TH1F *hp=new TH1F("hp","PHI resolution",50,-20.,20.); hp->SetFillColor(4);
TH1F *hl=new TH1F("hl","LAMBDA resolution",50,-20,20);hl->SetFillColor(4);
TH1F *hmpt=new TH1F("hmpt","Transverse impact parameter",30,-300,300);
hmpt->SetFillColor(6);
TH1F *hz=new TH1F("hz","Longitudinal impact parameter",30,-300,300);
- //hmpt->SetFillColor(6);
AliITStrackV2 *trk=(AliITStrackV2*)tarray.UncheckedAt(0);
Double_t pmin=0.1*(100/0.299792458/0.2/trk->GetConvConst());
TH1F *hf=new TH1F("hf","Efficiency for fake tracks",30,pmin,pmax);
hf->SetFillColor(1); hf->SetFillStyle(3013); hf->SetLineWidth(2);
- TH1F *hptw=new TH1F("hptw","Weghted pt",30,pmax,pmin);
+ //TH1F *hptw=new TH1F("hptw","Weghted pt",30,pmax,pmin);
+
+ TH1F *he =new TH1F("he","dE/dX for pions with 0.4<p<0.5 GeV/c",50,0.,100.);
+ TH2F *hep=new TH2F("hep","dE/dX vs momentum",50,0.,2.,50,0.,200.);
+ hep->SetMarkerStyle(8);
+ hep->SetMarkerSize(0.4);
+
- while (ngood--) {
- Int_t lab=gt[ngood].lab, tlab=-1;
- Double_t pxg=gt[ngood].px, pyg=gt[ngood].py, pzg=gt[ngood].pz;
+ Int_t notf[MAX], nnotf=0;
+ Int_t fake[MAX], nfake=0;
+ Int_t mult[MAX], numb[MAX], nmult=0;
+
+ Int_t ng;
+ for (ng=0; ng<ngood; ng++) {
+ Int_t lab=gt[ng].lab, tlab=-1;
+ Double_t pxg=gt[ng].px, pyg=gt[ng].py, pzg=gt[ng].pz;
Double_t ptg=TMath::Sqrt(pxg*pxg+pyg*pyg);
- if (ptg<pmin) continue;
- hgood->Fill(ptg);
+ if (ptg>pmin) hgood->Fill(ptg);
AliITStrackV2 *track=0;
+ Int_t cnt=0;
Int_t j;
for (j=0; j<nentr; j++) {
- track=(AliITStrackV2*)tarray.UncheckedAt(j);
- tlab=track->GetLabel();
- if (lab==TMath::Abs(tlab)) break;
+ AliITStrackV2 *trk=(AliITStrackV2*)tarray.UncheckedAt(j);
+ Int_t lbl=trk->GetLabel();
+ if (lab==TMath::Abs(lbl)) {
+ if (cnt==0) {track=trk; tlab=lbl;}
+ cnt++;
+ }
}
- if (j==nentr) {
- cerr<<"Track "<<lab<<" was not found !\n";
+ if (cnt==0) {
+ notf[nnotf++]=lab;
continue;
+ } else if (cnt>1){
+ mult[nmult]=lab;
+ numb[nmult]=cnt; nmult++;
}
- track->Propagate(track->GetAlpha(),3.,0.1/65.19*1.848,0.1*1.848);
- track->PropagateToVertex();
- if (lab==tlab) hfound->Fill(ptg);
- else { hfake->Fill(ptg); cerr<<lab<<" fake\n";}
+ if (ptg>pmin) {
+ if (lab==tlab) hfound->Fill(ptg);
+ else {
+ fake[nfake++]=lab;
+ hfake->Fill(ptg);
+ }
+ }
+
+ track->PropagateTo(3.,0.0028,65.19);
+ track->PropagateToVertex();
Double_t xv,par[5]; track->GetExternalParameters(xv,par);
Float_t phi=TMath::ASin(par[2]) + track->GetAlpha();
Double_t d=10000*track->GetD();
hmpt->Fill(d);
- hptw->Fill(ptg,TMath::Abs(d));
+ //hptw->Fill(ptg,TMath::Abs(d));
Double_t z=10000*track->GetZ();
hz->Fill(z);
-//if (TMath::Abs(gt[ngood].code)==11 && ptg>4.)
hpt->Fill((pt_1 - 1/ptg)/(1/ptg)*100.);
+ Float_t mom=1./(pt_1*TMath::Cos(lam));
+ Float_t dedx=track->GetdEdx();
+ hep->Fill(mom,dedx,1.);
+ if (TMath::Abs(gt[ng].code)==211)
+ if (mom>0.4 && mom<0.5) he->Fill(dedx,1.);
}
- Stat_t ng=hgood->GetEntries(); cerr<<"Good tracks "<<ng<<endl;
- Stat_t nf=hfound->GetEntries();
- if (ng!=0)
- cerr<<"Integral efficiency is about "<<nf/ng*100.<<" %\n";
+
+ cout<<"\nList of Not found tracks :\n";
+ for (ng=0; ng<nnotf; ng++){
+ cout<<notf[ng]<<"\t";
+ if ((ng%9)==8) cout<<"\n";
+ }
+ cout<<"\n\nList of fake tracks :\n";
+ for (ng=0; ng<nfake; ng++){
+ cout<<fake[ng]<<"\t";
+ if ((ng%9)==8) cout<<"\n";
+ }
+ cout<<"\n\nList of multiple found tracks :\n";
+ for (ng=0; ng<nmult; ng++) {
+ cout<<"id. "<<mult[ng]
+ <<" found - "<<numb[ng]<<"times\n";
+ }
+ cout<<endl;
+
+ cerr<<"Number of good tracks : "<<ngood<<endl;
+ cerr<<"Number of found tracks : "<<nentr<<endl;
+
+ ng=(Int_t)hgood->GetEntries(); //cerr<<"Good tracks "<<ng<<endl;
+ if (ng!=0)
+ cerr<<"Integral efficiency is about "<<hfound->GetEntries()/ng*100.<<" %\n";
+ cerr<<endl;
gStyle->SetOptStat(111110);
gStyle->SetOptFit(1);
text->SetTextSize(0.05);
text->Draw();
+// PH taken from v3-09-09, but not used
+// TCanvas *c2=new TCanvas("c2","",320,32,530,590);
+
+// TPad *p6=new TPad("p6","",0.,0.,1.,.5); p6->Draw();
+// p6->cd(); p6->SetFillColor(42); p6->SetFrameFillColor(10);
+// he->SetFillColor(2); he->SetFillStyle(3005);
+// he->SetXTitle("Arbitrary Units");
+// he->Fit("gaus"); c2->cd();
+
+// TPad *p7=new TPad("p7","",0.,0.5,1.,1.); p7->Draw();
+// p7->cd(); p7->SetFillColor(42); p7->SetFrameFillColor(10);
+// hep->SetXTitle("p (Gev/c)"); hep->SetYTitle("dE/dX (Arb. Units)");
+// hep->Draw(); c1->cd();
+
+
return 0;
}
-Int_t good_tracks_its(GoodTrackITS *gt, Int_t max) {
- if (gAlice) {delete gAlice; gAlice=0;}
+Int_t good_tracks_its(GoodTrackITS *gt, const Int_t max, const char* evfoldname) {
+
+ Int_t nt=0;
+
+ AliRunLoader* rl = AliRunLoader::GetRunLoader(evfoldname);
+ if (rl == 0x0)
+ {
+ ::Fatal("AliTPCComparison.C::good_tracks_its",
+ "Can not find Run Loader in Folder Named %s",
+ evfoldname);
+ }
+
+ AliITSLoader* itsl = (AliITSLoader*)rl->GetLoader("ITSLoader");
+ if (itsl == 0x0)
+ {
+ cerr<<"AliITSComparisonV2.C : Can not find TPCLoader\n";
+ delete rl;
+ return 3;
+ }
+
+ rl->LoadgAlice();
+ rl->LoadHeader();
+ Int_t np = rl->GetHeader()->GetNtrack();
- TFile *file=TFile::Open("galice.root");
- if (!file->IsOpen()) {cerr<<"Can't open galice.root !\n"; exit(4);}
- if (!(gAlice=(AliRun*)file->Get("gAlice"))) {
- cerr<<"gAlice have not been found on galice.root !\n";
- exit(5);
- }
- Int_t np=gAlice->GetEvent(0);
Int_t *good=new Int_t[np];
Int_t k;
for (k=0; k<np; k++) good[k]=0;
- AliITS *ITS=(AliITS*)gAlice->GetDetector("ITS");
+ AliITS *ITS=(AliITS*)rl->GetAliRun()->GetDetector("ITS");
if (!ITS) {
cerr<<"can't get ITS !\n"; exit(8);
}
cerr<<"can't get ITS geometry !\n"; exit(9);
}
- TFile *cf=TFile::Open("AliITSclustersV2.root");
- if (!cf->IsOpen()){
- cerr<<"Can't open AliITSclustersV2.root !\n"; exit(6);
- }
- TTree *cTree=(TTree*)cf->Get("TreeC_ITS_0");
+ itsl->LoadRawClusters();
+ TTree *cTree=itsl->TreeC();
if (!cTree) {
cerr<<"Can't get cTree !\n"; exit(7);
}
}
}
clusters->Delete(); delete clusters;
- delete cTree; //Thanks to Mariana Bondila
- cf->Close();
-
+ itsl->UnloadRawClusters();
+
ifstream in("good_tracks_tpc");
if (!in) {
cerr<<"can't get good_tracks_tpc !\n"; exit(11);
}
+
+ rl->LoadKinematics();
+ AliStack* stack = rl->Stack();
Int_t nt=0;
Double_t px,py,pz,x,y,z;
- Int_t code,lab,event;
- while (in>>event>>lab>>code>>px>>py>>pz>>x>>y>>z) {
+ Int_t code,lab;
+ while (in>>lab>>code>>px>>py>>pz>>x>>y>>z) {
if (good[lab] != 0x3F) continue;
- TParticle *p = (TParticle*)gAlice->Particle(lab);
- gt[nt].event=event;
+ TParticle *p = (TParticle*)stack->Particle(lab);
+ if (p == 0x0)
+ {
+ cerr<<"Can not get particle "<<lab<<endl;
+ nt++;
+ if (nt==max) {cerr<<"Too many good tracks !\n"; break;}
+ continue;
+ }
gt[nt].lab=lab;
gt[nt].code=p->GetPdgCode();
//**** px py pz - in global coordinate system
delete[] good;
- delete gAlice; gAlice=0;
- file->Close();
+ rl->UnloadKinematics();
+ rl->UnloadHeader();
+ rl->UnloadgAlice();
return nt;
}