****************************************************************************/
#if !defined(__CINT__) || defined(__MAKECINT__)
+ #include <TMath.h>
+ #include <TError.h>
#include <Riostream.h>
- #include <fstream.h>
-
- #include "AliRun.h"
- #include "AliMC.h"
+ #include <TH1F.h>
+ #include <TTree.h>
+ #include <TParticle.h>
+ #include <TCanvas.h>
+ #include <TLine.h>
+ #include <TText.h>
+ #include <TBenchmark.h>
+ #include <TStyle.h>
+ #include <TKey.h>
+ #include <TROOT.h>
+
+ #include "AliStack.h"
#include "AliHeader.h"
+ #include "AliTrackReference.h"
#include "AliRunLoader.h"
- #include "AliITSLoader.h"
-
- #include "TH1.h"
- #include "TFile.h"
- #include "TKey.h"
- #include "TObjArray.h"
- #include "TStyle.h"
- #include "TCanvas.h"
- #include "TLine.h"
- #include "TText.h"
- #include "TParticle.h"
- #include "TStopwatch.h"
- #include "TPDGCode.h"
-
#include "AliRun.h"
#include "AliESD.h"
- #include "AliCascadeVertex.h"
+#else
+const Int_t kXiMinus = 3312;
+const Int_t kXiPlusBar = -3312;
+const Int_t kOmegaMinus = 3334;
+const Int_t kOmegaPlusBar = -3334;
#endif
-struct GoodCascade {
- Int_t nlab,plab; // V0's daughter labels
- Int_t blab; // Bachelor label
- Int_t code;
- Float_t px,py,pz;
- Float_t x,y,z;
-};
-Int_t good_cascades(GoodCascade *gt, Int_t max);
+Int_t GoodCascades(const Char_t *dir=".");
extern AliRun *gAlice;
+extern TBenchmark *gBenchmark;
+extern TROOT *gROOT;
+
+static Int_t allgood=0;
+static Int_t allfound=0;
-Int_t AliCascadeComparison(Int_t code=3312) {
+Int_t AliCascadeComparison(Int_t code=3312, const Char_t *dir=".") {
//code= 3312; //kXiMinus
//code=-3312; //kXiPlusBar
//code= 3334; //kOmegaMinus
//code=-3334; //kOmegaPlusBar
- cerr<<"Doing comparison...\n";
- TStopwatch timer;
-
- /*** Check if the file with the "good" cascades exists ***/
- GoodCascade gc[100];
- Int_t ngood=0;
- ifstream in("good_cascades");
- if (in) {
- cerr<<"Reading good cascades...\n";
- while (in>>gc[ngood].nlab>>gc[ngood].plab>>
- gc[ngood].blab>>gc[ngood].code>>
- gc[ngood].px>>gc[ngood].py>>gc[ngood].pz>>
- gc[ngood].x >>gc[ngood].y >>gc[ngood].z) {
- ngood++;
- cerr<<ngood<<'\r';
- if (ngood==100) {
- cerr<<"Too many good cascades !\n";
- break;
- }
- }
- if (!in.eof()) cerr<<"Read error (good_cascades) !\n";
- } else {
- /*** generate a file with the "good" cascades ***/
- cerr<<"Marking good cascades (this will take a while)...\n";
- ngood=good_cascades(gc,100);
- ofstream out("good_cascades");
- if (out) {
- for (Int_t ngd=0; ngd<ngood; ngd++)
- out<<gc[ngd].nlab<<' '<<gc[ngd].plab<<' '<<
- gc[ngd].blab<<' '<<gc[ngd].code<<' '<<
- gc[ngd].px<<' '<<gc[ngd].py<<' '<<gc[ngd].pz<<' '<<
- gc[ngd].x <<' '<<gc[ngd].y <<' '<<gc[ngd].z <<endl;
- } else cerr<<"Can not open file (good_cascades) !\n";
- out.close();
- }
-
- AliESD *event=0;
- { /*** Load reconstructed vertices ***/
- TFile *ef=TFile::Open("AliESDcas.root");
- if ((!ef)||(!ef->IsOpen())) {
- cerr<<"AliCascadeComparison.C: Can't open AliESDcas.root !\n";
- return 1;
- }
- TKey *key=0;
- TIter next(ef->GetListOfKeys());
- if ((key=(TKey*)next())!=0) event=(AliESD*)key->ReadObj();
- ef->Close();
- }
- Int_t nentr=event->GetNumberOfCascades();
+ gBenchmark->Start("AliCascadeComparison");
+ ::Info("AliCascadeComparison.C","Doing comparison...");
const Double_t cascadeWindow=0.05, cascadeWidth=0.015;
Double_t ptncut=0.12, ptpcut=0.33, kine0cut=0.003;
default: cerr<<"Invalid PDG code !\n"; return 1;
}
- /*** create some histograms ***/
- TH1F *hp=new TH1F("hp","Angular Resolution",30,-30.,30.); //phi resolution
+
+ TH1F *hp=(TH1F*)gROOT->FindObject("hp");
+ if (!hp) hp=new TH1F("hp","Angular Resolution",30,-30.,30.);
hp->SetXTitle("(mrad)"); hp->SetFillColor(2);
- TH1F *hl=new TH1F("hl","Lambda Resolution",30,-30,30);
- hl->SetXTitle("(mrad)"); hl->SetFillColor(1); hl->SetFillStyle(3013);
- TH1F *hpt=new TH1F("hpt","Relative Pt Resolution",30,-10.,10.);
+
+ TH1F *hl=(TH1F*)gROOT->FindObject("hl");
+ if (!hl) hl=new TH1F("hl","Lambda Resolution",30,-30,30);
+ hl->SetXTitle("(mrad)"); hl->SetFillColor(1); hl->SetFillStyle(3013);
+
+ TH1F *hpt=(TH1F*)gROOT->FindObject("hpt");
+ if (!hpt) hpt=new TH1F("hpt","Relative Pt Resolution",30,-10.,10.);
hpt->SetXTitle("(%)"); hpt->SetFillColor(2);
- TH1F *hx=new TH1F("hx","Position Resolution (X,Y)",30,-3.,3.); //x res.
+ TH1F *hx=(TH1F*)gROOT->FindObject("hx");
+ if (!hx) hx=new TH1F("hx","Position Resolution (X,Y)",30,-3.,3.);
hx->SetXTitle("(mm)"); hx->SetFillColor(6);
- TH1F *hy=new TH1F("hy","Position Resolution (Y)",30,-3.,3.); //y res
+
+ TH1F *hy=(TH1F*)gROOT->FindObject("hy");
+ if (!hy) hy=new TH1F("hy","Position Resolution (Y)",30,-3.,3.);
hy->SetXTitle("(mm)"); hy->SetFillColor(1); hy->SetFillStyle(3013);
- TH1F *hz=new TH1F("hz","Position Resolution (Z)",30,-3.,3.); //z res.
+
+ TH1F *hz=(TH1F*)gROOT->FindObject("hz");
+ if (!hz) hz=new TH1F("hz","Position Resolution (Z)",30,-3.,3.);
hz->SetXTitle("(mm)"); hz->SetFillColor(6);
+
Double_t pmin=0.2, pmax=4.2; Int_t nchan=20;
- TH1F *hgood=new TH1F("hgood","Good Cascades",nchan,pmin,pmax);
- TH1F *hfound=new TH1F("hfound","Found Cascades",nchan,pmin,pmax);
- TH1F *hfake=new TH1F("hfake","Fake Cascades",nchan,pmin,pmax);
- TH1F *hg=new TH1F("hg","Efficiency for Good Cascades",nchan,pmin,pmax);
+ TH1F *hgood=(TH1F*)gROOT->FindObject("hgood");
+ if (!hgood) hgood=new TH1F("hgood","Good Cascades",nchan,pmin,pmax);
+
+ TH1F *hfound=(TH1F*)gROOT->FindObject("hfound");
+ if (!hfound) hfound=new TH1F("hfound","Found Cascades",nchan,pmin,pmax);
+
+ TH1F *hfake=(TH1F*)gROOT->FindObject("hfake");
+ if (!hfake) hfake=new TH1F("hfake","Fake Cascades",nchan,pmin,pmax);
+
+ TH1F *hg=(TH1F*)gROOT->FindObject("hg");
+ if (!hg) hg=new TH1F("hg","Efficiency for Good Cascades",nchan,pmin,pmax);
hg->SetLineColor(4); hg->SetLineWidth(2);
- TH1F *hf=new TH1F("hf","Probability of Fake Cascades",nchan,pmin,pmax);
+
+ TH1F *hf=(TH1F*)gROOT->FindObject("hf");
+ if (!hf) hf=new TH1F("hf","Probability of Fake Cascades",nchan,pmin,pmax);
hf->SetFillColor(1); hf->SetFillStyle(3013); hf->SetLineWidth(2);
+
Double_t mmin=cascadeMass-cascadeWindow, mmax=cascadeMass+cascadeWindow;
- TH1F *cs =new TH1F("cs","Cascade Effective Mass",40, mmin, mmax);
- cs->SetXTitle("(GeV)");
- cs->SetLineColor(4); cs->SetLineWidth(4);
- TH1F *csf =new TH1F("csf","Fake Cascade Effective Mass",40, mmin, mmax);
+ TH1F *cs=(TH1F*)gROOT->FindObject("cs");
+ if (!cs) cs=new TH1F("cs","Cascade Effective Mass",40, mmin, mmax);
+ cs->SetXTitle("(GeV)"); cs->SetLineColor(4); cs->SetLineWidth(4);
+
+ TH1F *csf=(TH1F*)gROOT->FindObject("csf");
+ if (!csf) csf=new TH1F("csf","Fake Cascade Effective Mass",40, mmin, mmax);
csf->SetXTitle("(GeV)"); csf->SetFillColor(6);
- Double_t pxg=0.,pyg=0.,ptg=0.;
- Int_t nlab=-1, plab=-1, blab=-1;
- Int_t i;
- for (i=0; i<nentr; i++) {
- AliESDcascade *cascade=event->GetCascade(i);
-
- Int_t nidx=TMath::Abs(cascade->GetNindex());
- Int_t pidx=TMath::Abs(cascade->GetPindex());
- Int_t bidx=TMath::Abs(cascade->GetBindex());
-
- AliESDtrack *ntrack=event->GetTrack(nidx);
- AliESDtrack *ptrack=event->GetTrack(pidx);
- AliESDtrack *btrack=event->GetTrack(bidx);
-
- nlab=TMath::Abs(ntrack->GetLabel());
- plab=TMath::Abs(ptrack->GetLabel());
- blab=TMath::Abs(btrack->GetLabel());
-
- /** Kinematical cuts **/
- Double_t pxn,pyn,pzn; cascade->GetNPxPyPz(pxn,pyn,pzn);
- Double_t ptn=TMath::Sqrt(pxn*pxn + pyn*pyn);
- if (ptn < ptncut) continue;
- Double_t pxp,pyp,pzp; cascade->GetPPxPyPz(pxp,pyp,pzp);
- Double_t ptp=TMath::Sqrt(pxp*pxp + pyp*pyp);
- if (ptp < ptpcut) continue;
- Double_t pxb,pyb,pzb; cascade->GetBPxPyPz(pxb,pyb,pzb);
- Double_t ptb=TMath::Sqrt(pxb*pxb + pyb*pyb);
- if (ptb < ptbcut) continue;
- Double_t kine0;
- Double_t kine=cascade->ChangeMassHypothesis(kine0,code);
- if (TMath::Abs(kine0)>kine0cut) continue;
- //if (TMath::Abs(kine)>kinecut) continue;
-
- Double_t mass=cascade->GetEffMass();
- cs->Fill(mass);
- csf->Fill(mass);
-
- if (TMath::Abs(mass-cascadeMass)>cascadeWidth) continue;
-
- Int_t j;
- for (j=0; j<ngood; j++) {
- if (gc[j].code != cascade->GetPdgCode()) continue;
- if (gc[j].nlab == nlab)
- if (gc[j].plab == plab)
- if (gc[j].blab == blab) break;
- }
-
- Double_t px,py,pz; cascade->GetPxPyPz(px,py,pz);
- Double_t pt=TMath::Sqrt(px*px+py*py);
-
- if (j==ngood) {
- hfake->Fill(pt);
- cerr<<"Fake cascade: ("<<nlab<<","<<plab<<","<<blab<<")\n";
- continue;
- }
- csf->Fill(mass,-1);
-
- pxg=gc[j].px; pyg=gc[j].py; ptg=TMath::Sqrt(pxg*pxg+pyg*pyg);
- Double_t phig=TMath::ATan2(pyg,pxg), phi=TMath::ATan2(py,px);
- Double_t lamg=TMath::ATan2(gc[j].pz,ptg), lam=TMath::ATan2(pz,pt);
- hp->Fill((phi - phig)*1000.);
- hl->Fill((lam - lamg)*1000.);
- hpt->Fill((1/pt - 1/ptg)/(1/ptg)*100.);
-
- Double_t x,y,z; cascade->GetXYZ(x,y,z);
- hx->Fill((x-gc[j].x)*10);
- hy->Fill((y-gc[j].y)*10);
- hz->Fill((z-gc[j].z)*10);
-
- hfound->Fill(ptg);
- gc[j].nlab=-1;
+ Char_t fname[100];
+ sprintf(fname,"%s/GoodCascades.root",dir);
+
+ TFile *refFile=TFile::Open(fname,"old");
+ if (!refFile || !refFile->IsOpen()) {
+ ::Info("AliCascadeComparison.C","Marking good cascades (will take a while)...");
+ if (GoodCascades(dir)) {
+ ::Error("AliCascadesComparison.C","Can't generate the reference file !");
+ return 1;
+ }
}
- for (i=0; i<ngood; i++) {
- if (gc[i].code != code) continue;
- pxg=gc[i].px; pyg=gc[i].py; ptg=TMath::Sqrt(pxg*pxg+pyg*pyg);
- hgood->Fill(ptg);
- nlab=gc[i].nlab; plab=gc[i].plab; blab=gc[i].blab;
- if (nlab < 0) continue;
- cerr<<"Cascade ("<<nlab<<','<<plab<<","<<blab<<") has not been found !\n";
+ refFile=TFile::Open(fname,"old");
+ if (!refFile || !refFile->IsOpen()) {
+ ::Error("AliCascadeComparison.C","Can't open the reference file !");
+ return 1;
+ }
+
+ TTree *csTree=(TTree*)refFile->Get("csTree");
+ if (!csTree) {
+ ::Error("AliCascadeComparison.C","Can't get the reference tree !");
+ return 2;
}
+ TBranch *pbranch=csTree->GetBranch("positive");
+ if (!pbranch) {
+ ::Error("AliCascadeComparison.C","Can't get the positive daughter branch !");
+ return 3;
+ }
+ TClonesArray dummy("AliTrackReference",1000), *prefs=&dummy;
+ pbranch->SetAddress(&prefs);
+
+ TBranch *nbranch=csTree->GetBranch("negative");
+ if (!nbranch) {
+ ::Error("AliCascadeComparison.C","Can't get the negative daughter branch !");
+ return 4;
+ }
+ TClonesArray dumm("AliTrackReference",1000), *nrefs=&dumm;
+ nbranch->SetAddress(&nrefs);
+
+ TBranch *bbranch=csTree->GetBranch("bachelor");
+ if (!nbranch) {
+ ::Error("AliCascadeComparison.C","Can't get the bachelor branch !");
+ return 4;
+ }
+ TClonesArray dum("AliTrackReference",1000), *brefs=&dum;
+ bbranch->SetAddress(&brefs);
+
+
+
+ sprintf(fname,"%s/AliESDs.root",dir);
+ TFile *ef=TFile::Open(fname);
+ if ((!ef)||(!ef->IsOpen())) {
+ sprintf(fname,"%s/AliESDcascade.root",dir);
+ ef=TFile::Open(fname);
+ if ((!ef)||(!ef->IsOpen())) {
+ ::Error("AliCascadeComparison.C","Can't open AliESDcascade.root !");
+ return 5;
+ }
+ }
+ TKey *key=0;
+ TIter next(ef->GetListOfKeys());
+
+
- delete event;
+ //******* Loop over events *********
+ Int_t e=0;
+ while ((key=(TKey*)next())!=0) {
+ cout<<endl<<endl<<"********* Processing event number: "<<e<<"*******\n";
+
+ AliESD *event=(AliESD*)key->ReadObj();
- Stat_t ng=hgood->GetEntries();
- Stat_t nf=hfound->GetEntries();
+ Int_t nentr=event->GetNumberOfCascades();
+ allfound+=nentr;
+
+
+ if (csTree->GetEvent(e++)==0) {
+ cerr<<"No reconstructable cascades !\n";
+ continue;
+ }
+
+ Int_t ngood=prefs->GetEntriesFast(),ng=0;
+
+ Double_t pxg=0.,pyg=0.,pzg=0.,ptg=0.;
+ Int_t nlab=-1, plab=-1, blab=-1;
+ Int_t i;
+ for (i=0; i<nentr; i++) {
+ AliESDcascade *cascade=event->GetCascade(i);
+
+ Int_t nidx=TMath::Abs(cascade->GetNindex());
+ Int_t pidx=TMath::Abs(cascade->GetPindex());
+ Int_t bidx=TMath::Abs(cascade->GetBindex());
+
+ AliESDtrack *ntrack=event->GetTrack(nidx);
+ AliESDtrack *ptrack=event->GetTrack(pidx);
+ AliESDtrack *btrack=event->GetTrack(bidx);
+
+ nlab=TMath::Abs(ntrack->GetLabel());
+ plab=TMath::Abs(ptrack->GetLabel());
+ blab=TMath::Abs(btrack->GetLabel());
+
+ /** Kinematical cuts **/
+ Double_t pxn,pyn,pzn; cascade->GetNPxPyPz(pxn,pyn,pzn);
+ Double_t ptn=TMath::Sqrt(pxn*pxn + pyn*pyn);
+ if (ptn < ptncut) continue;
+ Double_t pxp,pyp,pzp; cascade->GetPPxPyPz(pxp,pyp,pzp);
+ Double_t ptp=TMath::Sqrt(pxp*pxp + pyp*pyp);
+ if (ptp < ptpcut) continue;
+ Double_t pxb,pyb,pzb; cascade->GetBPxPyPz(pxb,pyb,pzb);
+ Double_t ptb=TMath::Sqrt(pxb*pxb + pyb*pyb);
+ if (ptb < ptbcut) continue;
+ Double_t kine0;
+ Double_t kine=cascade->ChangeMassHypothesis(kine0,code);
+ if (TMath::Abs(kine0)>kine0cut) continue;
+ //if (TMath::Abs(kine)>kinecut) continue;
+
+ Double_t mass=cascade->GetEffMass();
+ cs->Fill(mass);
+ csf->Fill(mass);
+
+ AliTrackReference *nref=0, *pref=0, *bref=0;
+ Int_t j;
+ for (j=0; j<ngood; j++) {
+ bref=(AliTrackReference*)brefs->UncheckedAt(j);
+ nref=(AliTrackReference*)nrefs->UncheckedAt(j);
+ pref=(AliTrackReference*)prefs->UncheckedAt(j);
+ if (bref->Label() == blab)
+ if (nref->Label() == nlab)
+ if (pref->Label() == plab) break;
+ }
+
+ if (TMath::Abs(mass-cascadeMass)>cascadeWidth) continue;
+
+ Double_t px,py,pz; cascade->GetPxPyPz(px,py,pz);
+ Double_t pt=TMath::Sqrt(px*px+py*py);
+
+ if (j==ngood) {
+ hfake->Fill(pt);
+ cout<<"Fake cascade: ("<<nlab<<","<<plab<<","<<blab<<")\n";
+ continue;
+ }
+ csf->Fill(mass,-1);
+
+ pxg=bref->Px()+nref->Px()+pref->Px();
+ pyg=bref->Px()+nref->Py()+pref->Py();
+ pzg=nref->Pz()+pref->Pz();
+ ptg=TMath::Sqrt(pxg*pxg+pyg*pyg);
+ Double_t phig=TMath::ATan2(pyg,pxg), phi=TMath::ATan2(py,px);
+ Double_t lamg=TMath::ATan2(pzg,ptg), lam=TMath::ATan2(pz,pt);
+ hp->Fill((phi - phig)*1000.);
+ hl->Fill((lam - lamg)*1000.);
+ hpt->Fill((1/pt - 1/ptg)/(1/ptg)*100.);
+
+ Double_t x,y,z; cascade->GetXYZ(x,y,z);
+ hx->Fill((x-nref->X())*10);
+ hy->Fill((y-nref->Y())*10);
+ hz->Fill((z-nref->Z())*10);
+
+ hfound->Fill(ptg);
+ nref->SetLabel(-1);
+
+ }
+ for (i=0; i<ngood; i++) {
+ AliTrackReference *bref=(AliTrackReference*)brefs->UncheckedAt(i);
+ AliTrackReference *nref=(AliTrackReference*)nrefs->UncheckedAt(i);
+ AliTrackReference *pref=(AliTrackReference*)prefs->UncheckedAt(i);
+ Int_t pdg=(Int_t)bref->GetLength(); //this is the cascade's PDG !
+ if (code!=pdg) continue;
+ ng++;
+ pxg=bref->Px()+nref->Px()+pref->Px();
+ pyg=bref->Px()+nref->Py()+pref->Py();
+ ptg=TMath::Sqrt(pxg*pxg+pyg*pyg);
+ hgood->Fill(ptg);
+ nlab=nref->Label(); plab=pref->Label(); blab=bref->Label();
+ if (nlab < 0) continue;
+ cout<<"Cascade ("<<nlab<<','<<plab<<","<<blab<<") has not been found !\n";
+ }
+ allgood+=ng;
+
+ cout<<"Number of found cascades : "<<nentr<<endl;
+ cout<<"Number of \"good\" cascades : "<<ng<<endl;
+
+ brefs->Clear();
+ prefs->Clear();
+ nrefs->Clear();
+ delete event;
+
+ } //**** End of the loop over events
+
+ ef->Close();
- cerr<<"Number of found cascades: "<<nentr<<" ("<<nf<<" in the peak)\n";
- cerr<<"Number of good cascades: "<<ng<<endl;
+ delete csTree;
+ refFile->Close();
+
+ Stat_t ng=hgood->GetEntries(), nf=hfound->GetEntries();
+ if (ng!=0) cout<<"Integral efficiency is about "<<nf/ng*100.<<" %\n";
+ cout<<
+ "Total number of found cascades: "<<allfound<<" ("<<nf<<" in the peak)\n";
+ cout<<"Total number of \"good\" cascades: "<<allgood<<endl;
- if (ng!=0)
- cerr<<"Integral efficiency is about "<<nf/ng*100.<<" %\n";
gStyle->SetOptStat(111110);
gStyle->SetOptFit(1);
- TCanvas *c1=new TCanvas("c1","",0,0,580,610);
- c1->Divide(2,2);
+ TCanvas *c1=(TCanvas*)gROOT->FindObject("c1");
+ if (!c1) {
+ c1=new TCanvas("c1","",0,0,580,610);
+ c1->Divide(2,2);
+ }
+
+ Int_t minc=33;
c1->cd(1);
gPad->SetFillColor(42); gPad->SetFrameFillColor(10);
- //hp->Fit("gaus");
- hp->Draw();
+ if (hp->GetEntries()<minc) hp->Draw(); else hp->Fit("gaus");
hl->Draw("same"); c1->cd();
c1->cd(2);
gPad->SetFillColor(42); gPad->SetFrameFillColor(10);
- //hpt->Fit("gaus"); c1->cd();
- hpt->Draw(); c1->cd();
+ if (hpt->GetEntries()<minc) hpt->Draw(); else hpt->Fit("gaus");
+ c1->cd();
c1->cd(3);
gPad->SetFillColor(42); gPad->SetFrameFillColor(10);
- //hx->Fit("gaus");
- hx->Draw();
+ if (hx->GetEntries()<minc) hx->Draw(); else hx->Fit("gaus");
hy->Draw("same"); c1->cd();
c1->cd(4);
gPad->SetFillColor(42); gPad->SetFrameFillColor(10);
- //hz->Fit("gaus");
- hz->Draw();
+ if (hz->GetEntries()<minc) hz->Draw(); else hz->Fit("gaus");
+ c1->Update();
- TCanvas *c2=new TCanvas("c2","",600,0,580,610);
- c2->Divide(1,2);
+ TCanvas *c2=(TCanvas*)gROOT->FindObject("c2");
+ if (!c2) {
+ c2=new TCanvas("c2","",600,0,580,610);
+ c2->Divide(1,2);
+ }
c2->cd(1);
gPad->SetFillColor(42); gPad->SetFrameFillColor(10);
c2->cd(2);
gPad->SetFillColor(42); gPad->SetFrameFillColor(10);
- //cs->Fit("gaus","","",cascadeMass-cascadeWidth,cascadeMass+cascadeWidth);
- cs->Draw();
+ if (cs->GetEntries()<minc) cs->Draw();
+ else cs->Fit("gaus","","",cascadeMass-cascadeWidth,cascadeMass+cascadeWidth);
csf->Draw("same");
Double_t max=cs->GetMaximum();
TLine *line3 =
new TLine(cascadeMass+cascadeWidth,0.,cascadeMass+cascadeWidth,max);
line4->Draw("same");
- timer.Stop(); timer.Print();
+ c2->Update();
- return 0;
-}
+ TFile fc("AliCascadeComparison.root","RECREATE");
+ c1->Write();
+ c2->Write();
+ fc.Close();
+ gBenchmark->Stop("AliCascadeComparison");
+ gBenchmark->Show("AliCascadeComparison");
-Int_t good_cascades(GoodCascade *gc, Int_t max) {
- Int_t nc=0;
- /*** Get information about the cuts ***/
- Double_t r2min=0.9*0.9;
- Double_t r2max=2.9*2.9;
- /*** Get labels of the "good" tracks ***/
- Double_t dd; Int_t id, label[15000], ngt=0;
- ifstream in("good_tracks_its");
- if (!in) {
- cerr<<"Can't open the file good_tracks_its \n";
- return nc;
- }
- while (in>>label[ngt]>>id>>dd>>dd>>dd>>dd>>dd>>dd) {
- ngt++;
- if (ngt>=15000) {
- cerr<<"Too many good ITS tracks !\n";
- return nc;
- }
- }
- if (!in.eof()) {
- cerr<<"Read error (good_tracks_its) !\n";
- return nc;
- }
+ return 0;
+}
- /*** Get an access to the kinematics ***/
+
+Int_t GoodCascades(const Char_t *dir) {
if (gAlice) {
delete gAlice->GetRunLoader();
delete gAlice;
gAlice=0;
}
- AliRunLoader *rl = AliRunLoader::Open("galice.root");
+
+ Char_t fname[100];
+ sprintf(fname,"%s/galice.root",dir);
+
+ AliRunLoader *rl = AliRunLoader::Open(fname,"COMPARISON");
if (!rl) {
- cerr<<"AliCascadeComparison.C, good_cascades :Can't start session !\n";
+ ::Error("GoodCascades","Can't start session !");
return 1;
}
rl->LoadgAlice();
rl->LoadHeader();
rl->LoadKinematics();
- Int_t np = rl->GetHeader()->GetNtrack();
-
- while (np--) {
- cerr<<np<<'\r';
- TParticle *cp=gAlice->GetMCApp()->Particle(np);
-
- /*** only these cascades are "good" ***/
- Int_t code=cp->GetPdgCode();
- if (code!=kXiMinus) if (code!=kXiPlusBar)
- if (code!=kOmegaMinus) if (code!=kOmegaPlusBar) continue;
-
- /*** daughter tracks must be "good" ***/
- Int_t v0lab=cp->GetFirstDaughter(), blab=cp->GetLastDaughter();
- if (v0lab==blab) continue;
- if (v0lab<0) continue;
- if (blab<0) continue;
-
- TParticle *p0=gAlice->GetMCApp()->Particle(v0lab);
- TParticle *bp=gAlice->GetMCApp()->Particle(blab);
- if ((p0->GetPdgCode()!=kLambda0) && (p0->GetPdgCode()!=kLambda0Bar)) {
- TParticle *p=p0; p0=bp; bp=p;
- Int_t i=v0lab; v0lab=blab; blab=i;
- if ((p0->GetPdgCode()!=kLambda0) && (p0->GetPdgCode()!=kLambda0Bar))
+
+
+ Int_t nev=rl->GetNumberOfEvents();
+ ::Info("GoodCascades","Number of events : %d\n",nev);
+
+
+ sprintf(fname,"%s/GoodTracksITS.root",dir);
+ TFile *itsFile=TFile::Open(fname);
+ if ((!itsFile)||(!itsFile->IsOpen())) {
+ ::Error("GoodCAscades","Can't open the GoodTracksITS.root !");
+ delete rl;
+ return 5;
+ }
+ TClonesArray dm("AliTrackReference",1000), *itsRefs=&dm;
+ TTree *itsTree=(TTree*)itsFile->Get("itsTree");
+ if (!itsTree) {
+ ::Error("GoodCascades","Can't get the ITS reference tree !");
+ delete rl;
+ return 6;
+ }
+ TBranch *itsBranch=itsTree->GetBranch("ITS");
+ if (!itsBranch) {
+ ::Error("GoodCascades","Can't get the ITS reference branch !");
+ delete rl;
+ return 7;
+ }
+ itsBranch->SetAddress(&itsRefs);
+
+
+ sprintf(fname,"%s/GoodCascades.root",dir);
+ TFile *csFile=TFile::Open(fname,"recreate");
+ TClonesArray dummy("AliTrackReference",1000), *nrefs=&dummy;
+ TClonesArray dumm("AliTrackReference",1000), *prefs=&dumm;
+ TClonesArray dum("AliTrackReference",1000), *brefs=&dum;
+ TTree csTree("csTree","Tree with info about the reconstructable cascades");
+ csTree.Branch("negative",&nrefs);
+ csTree.Branch("positive",&prefs);
+ csTree.Branch("bachelor",&brefs);
+
+
+ // *** Get information about the cuts ***
+ Double_t r2min=0.9*0.9;
+ Double_t r2max=2.9*2.9;
+
+
+ //******** Loop over generated events
+ for (Int_t e=0; e<nev; e++) {
+ rl->GetEvent(e); csFile->cd();
+
+ Int_t np = rl->GetHeader()->GetNtrack();
+ cout<<"Event "<<e<<" Number of particles: "<<np<<endl;
+
+ itsTree->GetEvent(e);
+ Int_t nk=itsRefs->GetEntriesFast();
+
+ AliStack *stack=rl->Stack();
+
+ AliTrackReference *nref=0, *pref=0, *bref=0;
+
+ Int_t nc=0;
+ while (np--) {
+ //cerr<<np<<'\r';
+ TParticle *cp=stack->Particle(np);
+
+ // *** only these cascades are "good" ***
+ Int_t code=cp->GetPdgCode();
+ if (code!=kXiMinus) if (code!=kXiPlusBar)
+ if (code!=kOmegaMinus) if (code!=kOmegaPlusBar) continue;
+
+ // *** daughter tracks must be "good" ***
+ Int_t v0lab=cp->GetFirstDaughter(), blab=cp->GetLastDaughter();
+ if (v0lab==blab) continue;
+ if (v0lab<0) continue;
+ if (blab<0) continue;
+
+ TParticle *p0=stack->Particle(v0lab);
+ TParticle *bp=stack->Particle(blab);
+ Int_t i;
+ if ((p0->GetPdgCode()!=kLambda0) && (p0->GetPdgCode()!=kLambda0Bar)) {
+ TParticle *p=p0; p0=bp; bp=p;
+ i=v0lab; v0lab=blab; blab=i;
+ if ((p0->GetPdgCode()!=kLambda0)&&(p0->GetPdgCode()!=kLambda0Bar))
continue;
- }
+ }
- /** is the bachelor "good" ? **/
- Int_t i;
- for (i=0; i<ngt; i++) if (label[i]==blab) break;
- if (i==ngt) continue;
-
- /** is the V0 "good" ? **/
- Int_t plab=p0->GetFirstDaughter(), nlab=p0->GetLastDaughter();
- if (nlab==plab) continue;
- if (nlab<0) continue;
- if (plab<0) continue;
-
- for (i=0; i<ngt; i++) if (label[i]==nlab) break;
- if (i==ngt) continue;
- for (i=0; i<ngt; i++) if (label[i]==plab) break;
- if (i==ngt) continue;
-
- /*** fiducial volume ***/
- Double_t x=bp->Vx(), y=bp->Vy(), r2=x*x+y*y; //bachelor
- if (r2<r2min) continue;
- if (r2>r2max) continue;
- TParticle *pp=gAlice->GetMCApp()->Particle(plab);
- x=pp->Vx(); y=pp->Vy(); r2=x*x+y*y; //V0
- if (r2<r2min) continue;
- if (r2>r2max) continue;
-
- if (gAlice->GetMCApp()->Particle(plab)->GetPDG()->Charge() < 0.) {
- i=plab; plab=nlab; nlab=i;
+ // ** is the bachelor "good" ? **
+ for (i=0; i<nk; i++) {
+ bref=(AliTrackReference*)itsRefs->UncheckedAt(i);
+ if (bref->Label()==blab) break;
+ }
+ if (i==nk) continue;
+
+ // ** is the V0 "good" ? **
+ Int_t plab=p0->GetFirstDaughter(), nlab=p0->GetLastDaughter();
+ if (nlab==plab) continue;
+ if (nlab<0) continue;
+ if (plab<0) continue;
+ if (stack->Particle(plab)->GetPDG()->Charge() < 0.) {
+ i=plab; plab=nlab; nlab=i;
+ }
+ for (i=0; i<nk; i++) {
+ nref=(AliTrackReference*)itsRefs->UncheckedAt(i);
+ if (nref->Label()==nlab) break;
+ }
+ if (i==nk) continue;
+ for (i=0; i<nk; i++) {
+ pref=(AliTrackReference*)itsRefs->UncheckedAt(i);
+ if (pref->Label()==plab) break;
+ }
+ if (i==nk) continue;
+
+
+ // *** fiducial volume ***
+ Double_t x=bp->Vx(), y=bp->Vy(), r2=x*x+y*y; //bachelor
+ if (r2<r2min) continue;
+ if (r2>r2max) continue;
+ TParticle *pp=stack->Particle(plab);
+ x=pp->Vx(); y=pp->Vy(); r2=x*x+y*y; //V0
+ if (r2<r2min) continue;
+ if (r2>r2max) continue;
+
+ Int_t pdg=cp->GetPdgCode();
+ nref->SetLength(pdg); //This will the cascade's PDG !
+
+ new((*nrefs)[nc]) AliTrackReference(*nref);
+ new((*prefs)[nc]) AliTrackReference(*pref);
+ new((*brefs)[nc]) AliTrackReference(*bref);
+
+ nc++;
}
+ itsRefs->Clear();
- gc[nc].code=code;
- gc[nc].plab=plab; gc[nc].nlab=nlab; gc[nc].blab=blab;
- gc[nc].px=cp->Px(); gc[nc].py=cp->Py(); gc[nc].pz=cp->Pz();
- gc[nc].x=bp->Vx(); gc[nc].y=bp->Vy(); gc[nc].z=bp->Vz();
- nc++;
+ csTree.Fill();
+ nrefs->Clear(); prefs->Clear(); brefs->Clear();
- }
+ } //**** end of the loop over generated events
- delete rl;
+ csTree.Write();
+ csFile->Close();
- return nc;
+ delete itsTree;
+ itsFile->Close();
+
+ delete rl;
+ return 0;
}
****************************************************************************/
#if !defined(__CINT__) || defined(__MAKECINT__)
+ #include <TMath.h>
+ #include <TError.h>
#include <Riostream.h>
- #include <fstream.h>
+ #include <TH1F.h>
+ #include <TH2F.h>
+ #include <TTree.h>
+ #include <TParticle.h>
+ #include <TCanvas.h>
+ #include <TLine.h>
+ #include <TText.h>
+ #include <TBenchmark.h>
+ #include <TStyle.h>
+ #include <TKey.h>
+ #include <TROOT.h>
- #include "AliRun.h"
- #include "AliHeader.h"
#include "AliStack.h"
+ #include "AliHeader.h"
+ #include "AliTrackReference.h"
#include "AliRunLoader.h"
- #include "AliLoader.h"
- #include "AliITSLoader.h"
+ #include "AliRun.h"
+ #include "AliESD.h"
+
#include "AliITS.h"
#include "AliITSgeom.h"
- #include "AliITStrackerV2.h"
#include "AliITStrackV2.h"
#include "AliITSclusterV2.h"
- #include "AliMagF.h"
- #include "AliESD.h"
-
- #include "TFile.h"
- #include "TKey.h"
- #include "TTree.h"
- #include "TH1.h"
- #include "TH2.h"
- #include "TObjArray.h"
- #include "TStyle.h"
- #include "TCanvas.h"
- #include "TLine.h"
- #include "TText.h"
- #include "TParticle.h"
+ #include "AliITSLoader.h"
#endif
-struct GoodTrackITS {
- Int_t lab;
- Int_t code;
- Float_t px,py,pz;
- Float_t x,y,z;
-};
-
-Int_t good_tracks_its(GoodTrackITS *gt, const Int_t max,
-const char* evfoldname = AliConfig::fgkDefaultEventFolderName);
+Int_t GoodTracksITS(const Char_t *dir=".");
extern AliRun *gAlice;
+extern TBenchmark *gBenchmark;
+extern TROOT *gROOT;
-Int_t AliITSComparisonV2(Float_t ptcutl=0.2, Float_t ptcuth=10.) {
- cerr<<"Doing comparison...\n";
- if (gAlice) {
- delete gAlice->GetRunLoader();
- delete gAlice;
- gAlice=0;
- }
+static Int_t allgood=0;
+static Int_t allselected=0;
+static Int_t allfound=0;
+
+Int_t AliITSComparisonV2
+(Float_t ptcutl=0.2, Float_t ptcuth=10., const Char_t *dir=".", Float_t ratio=0.0) {
+ gBenchmark->Start("AliITSComparisonV2");
+
+ ::Info("AliITSComparisonV2.C","Doing comparison...");
- AliRunLoader *rl = AliRunLoader::Open("galice.root");
- if (!rl) {
- cerr<<"AliITSComparisonV2.C :Can't start sesion !\n";
- return 1;
+
+ TH1F *hp=(TH1F*)gROOT->FindObject("hp");
+ if (!hp) hp=new TH1F("hp","PHI resolution",50,-20.,20.);
+ hp->SetFillColor(4);
+
+ TH1F *hl=(TH1F*)gROOT->FindObject("hl");
+ if (!hl) hl=new TH1F("hl","LAMBDA resolution",50,-20,20);
+ hl->SetFillColor(4);
+
+ TH1F *hpt=(TH1F*)gROOT->FindObject("hpt");
+ if (!hpt) hpt=new TH1F("hpt","Relative Pt resolution",30,-10.,10.);
+ hpt->SetFillColor(2);
+
+ TH1F *hmpt=(TH1F*)gROOT->FindObject("hmpt");
+ if (!hmpt)
+ hmpt=new TH1F("hmpt","Transverse impact parameter",30,-300,300);
+ hmpt->SetFillColor(6);
+
+ TH1F *hz=(TH1F*)gROOT->FindObject("hz");
+ if (!hz) hz=new TH1F("hz","Longitudinal impact parameter",30,-300,300);
+
+
+
+ TH1F *hgood=(TH1F*)gROOT->FindObject("hgood");
+ if (!hgood) hgood=new TH1F("hgood","Good tracks",30,0.2,6.1);
+
+ TH1F *hfound=(TH1F*)gROOT->FindObject("hfound");
+ if (!hfound) hfound=new TH1F("hfound","Found tracks",30,0.2,6.1);
+
+ TH1F *hfake=(TH1F*)gROOT->FindObject("hfake");
+ if (!hfake) hfake=new TH1F("hfake","Fake tracks",30,0.2,6.1);
+
+ TH1F *hg=(TH1F*)gROOT->FindObject("hg");
+ if (!hg) hg=new TH1F("hg","Efficiency for good tracks",30,0.2,6.1);
+ hg->SetLineColor(4); hg->SetLineWidth(2);
+
+ TH1F *hf=(TH1F*)gROOT->FindObject("hf");
+ if (!hf) hf=new TH1F("hf","Efficiency for fake tracks",30,0.2,6.1);
+ hf->SetFillColor(1); hf->SetFillStyle(3013); hf->SetLineWidth(2);
+
+ TH1F *he=(TH1F*)gROOT->FindObject("he");
+ if (!he)
+ he =new TH1F("he","dE/dX for pions with 0.4<p<0.5 GeV/c",50,0.,100.);
+
+ TH2F *hep=(TH2F*)gROOT->FindObject("hep");
+ if (!hep) hep=new TH2F("hep","dE/dX vs momentum",50,0.,2.,50,0.,400.);
+ hep->SetMarkerStyle(8);
+ hep->SetMarkerSize(0.4);
+
+
+ Char_t fname[100];
+ sprintf(fname,"%s/GoodTracksITS.root",dir);
+
+ TFile *refFile=TFile::Open(fname,"old");
+ if (!refFile || !refFile->IsOpen()) {
+ ::Info("AliITSComparisonV2.C","Marking good tracks (will take a while)...");
+ if (GoodTracksITS(dir)) {
+ ::Error("AliITSComparisonV2.C","Can't generate the reference file !");
+ 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;
+ refFile=TFile::Open(fname,"old");
+ if (!refFile || !refFile->IsOpen()) {
+ ::Error("AliITSComparisonV2.C","Can't open the reference file !");
+ return 1;
+ }
+
+ TTree *itsTree=(TTree*)refFile->Get("itsTree");
+ if (!itsTree) {
+ ::Error("AliITSComparisonV2.C","Can't get the reference tree !");
+ return 2;
}
- //rl->UnloadgAlice();
-
-
- /* Generate a list of "good" tracks */
- const Int_t MAX=15000;
- GoodTrackITS gt[MAX];
- Int_t ngood=0;
- ifstream in("good_tracks_its");
- if (in) {
- cerr<<"Reading good 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) {
- ngood++;
- //PH cerr<<ngood<<'\r';
- if (ngood==MAX) {
- cerr<<"Too many good tracks !\n";
- break;
- }
- }
- 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,AliConfig::fgkDefaultEventFolderName);
- ofstream out("good_tracks_its");
- if (out) {
- for (Int_t ngd=0; ngd<ngood; ngd++)
- 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();
+ TBranch *branch=itsTree->GetBranch("ITS");
+ if (!branch) {
+ ::Error("AliITSComparisonV2.C","Can't get the ITS branch !");
+ return 3;
}
+ TClonesArray dummy("AliTrackReference",1000), *refs=&dummy;
+ branch->SetAddress(&refs);
+
- TObjArray tarray(2000);
- { /*Load tracks*/
- TFile *ef=TFile::Open("AliESDs.root");
+ sprintf(fname,"%s/AliESDs.root",dir);
+ TFile *ef=TFile::Open(fname);
if ((!ef)||(!ef->IsOpen())) {
- ef=TFile::Open("AliESDits.root");
- if ((!ef)||(!ef->IsOpen())) {
- ::Fatal("AliITSComparisonV2.C","Can't open AliESDits.root !");
- }
+ sprintf(fname,"%s/AliESDits.root",dir);
+ ef=TFile::Open(fname);
+ if ((!ef)||(!ef->IsOpen())) {
+ ::Error("AliITSComparisonV2.C","Can't open AliESDits.root !");
+ return 4;
+ }
}
TKey *key=0;
TIter next(ef->GetListOfKeys());
- if ((key=(TKey*)next())!=0) {
+
+
+
+ //******* Loop over events *********
+ Int_t e=0;
+ while ((key=(TKey*)next())!=0) {
+ cout<<endl<<endl<<"********* Processing event number: "<<e<<"*******\n";
+
AliESD *event=(AliESD*)key->ReadObj();
- Int_t ntrk=event->GetNumberOfTracks();
- for (Int_t i=0; i<ntrk; i++) {
- AliESDtrack *t=event->GetTrack(i);
- UInt_t status=t->GetStatus();
- UInt_t flags=AliESDtrack::kTPCin|AliESDtrack::kITSin;
-
- if ((status&AliESDtrack::kITSrefit)==0)
- if ((status&flags)!=flags) continue;
-
- AliITStrackV2 *iotrack=0;
- iotrack=new AliITStrackV2(*t);
- //if (t->GetConstrainedChi2()>=20) continue; // constrained
- //else iotrack=new AliITStrackV2(*t,kTRUE); // track
- if ((status&flags)==flags) {
- iotrack->PropagateTo(3.,0.0028,65.19);
- iotrack->PropagateToVertex();
- }
- tarray.AddLast(iotrack);
+
+ Float_t field=event->GetMagneticField();
+ AliKalmanTrack::SetConvConst(1000/0.299792458/field);
+
+ Int_t nentr=event->GetNumberOfTracks();
+ allfound+=nentr;
+
+ if (itsTree->GetEvent(e++)==0) {
+ cerr<<"No reconstructable tracks !\n";
+ continue;
}
- delete event;
- }
- ef->Close();
- }
- Int_t nentr=tarray.GetEntriesFast();
- 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 *hpt=new TH1F("hpt","Relative Pt resolution",30,-10.,10.);
- hpt->SetFillColor(2);
- 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);
+ Int_t ngood=refs->GetEntriesFast();
+ allgood+=ngood;
- AliITStrackV2 *trk=(AliITStrackV2*)tarray.UncheckedAt(0);
- Double_t pmin=0.1*(100/0.299792458/0.2/trk->GetConvConst());
- Double_t pmax=6.0+pmin;
+ const Int_t MAX=15000;
+ Int_t notf[MAX], nnotf=0;
+ Int_t fake[MAX], nfake=0;
+ Int_t mult[MAX], numb[MAX], nmult=0;
+ Int_t k;
+ for (k=0; k<ngood; k++) {
+ AliTrackReference *ref=(AliTrackReference*)refs->UncheckedAt(k);
+ Int_t lab=ref->Label(), tlab=-1;
+ Float_t ptg=TMath::Sqrt(ref->Px()*ref->Px() + ref->Py()*ref->Py());
- TH1F *hgood=new TH1F("hgood","Good tracks",30,pmin,pmax);
- TH1F *hfound=new TH1F("hfound","Found tracks",30,pmin,pmax);
- TH1F *hfake=new TH1F("hfake","Fake tracks",30,pmin,pmax);
- TH1F *hg=new TH1F("hg","",30,pmin,pmax); //efficiency for good tracks
- hg->SetLineColor(4); hg->SetLineWidth(2);
- TH1F *hf=new TH1F("hf","Efficiency for fake tracks",30,pmin,pmax);
- hf->SetFillColor(1); hf->SetFillStyle(3013); hf->SetLineWidth(2);
+ if (ptg<ptcutl) continue;
+ if (ptg>ptcuth) continue;
- //TH1F *hptw=new TH1F("hptw","Weghted pt",30,pmax,pmin);
+ allselected++;
- 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);
+ hgood->Fill(ptg);
+ AliESDtrack *esd=0;
+ Int_t cnt=0;
+ Int_t pipe=0;
+ for (Int_t i=0; i<nentr; i++) {
+ AliESDtrack *t=event->GetTrack(i);
+ UInt_t status=t->GetStatus();
+ UInt_t flags=AliESDtrack::kTPCin|AliESDtrack::kITSin;
- 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<ptcutl) continue;
- if (ptg>ptcuth) continue;
-
- if (ptg>pmin) hgood->Fill(ptg);
-
- AliITStrackV2 *track=0;
- Int_t cnt=0;
- Int_t j;
- for (j=0; j<nentr; j++) {
- 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 (cnt==0) {
- notf[nnotf++]=lab;
- continue;
- } else if (cnt>1){
- mult[nmult]=lab;
- numb[nmult]=cnt; nmult++;
- }
+ if ((status&AliESDtrack::kITSrefit)==0) continue;
+
+ if ((status&flags)==status) pipe=1;
+
+ Int_t lbl=t->GetLabel();
+ if (lab==TMath::Abs(lbl)) {
+ if (cnt==0) {esd=t; tlab=lbl;}
+ cnt++;
+ }
+ }
+ if (cnt==0) {
+ notf[nnotf++]=lab;
+ continue;
+ } else if (cnt>1){
+ mult[nmult]=lab;
+ numb[nmult]=cnt; nmult++;
+ }
+
+ if (esd->GetITSFakeRatio()<ratio) tlab = TMath::Abs(tlab);
- if (ptg>pmin) {
if (lab==tlab) hfound->Fill(ptg);
else {
fake[nfake++]=lab;
hfake->Fill(ptg);
}
- }
- Double_t xv,par[5]; track->GetExternalParameters(xv,par);
- Float_t phi=TMath::ASin(par[2]) + track->GetAlpha();
- if (phi<-TMath::Pi()) phi+=2*TMath::Pi();
- if (phi>=TMath::Pi()) phi-=2*TMath::Pi();
- Float_t lam=TMath::ATan(par[3]);
- Float_t pt_1=TMath::Abs(par[4]);
+ AliITStrackV2 track(*esd);
+ if (pipe!=0) {
+ track.PropagateTo(3.,0.0028,65.19);
+ track.PropagateToVertex(); // This is not "exactly" the vertex
+ }
- Double_t phig=TMath::ATan2(pyg,pxg);
- hp->Fill((phi - phig)*1000.);
+ Double_t xv,par[5]; track.GetExternalParameters(xv,par);
+ Float_t phi=TMath::ASin(par[2]) + track.GetAlpha();
+ if (phi<-TMath::Pi()) phi+=2*TMath::Pi();
+ if (phi>=TMath::Pi()) phi-=2*TMath::Pi();
+ Float_t lam=TMath::ATan(par[3]);
+ Float_t pt_1=TMath::Abs(par[4]);
- Double_t lamg=TMath::ATan2(pzg,ptg);
- hl->Fill((lam - lamg)*1000.);
+ Float_t phig=TMath::ATan2(ref->Py(),ref->Px());
+ hp->Fill((phi - phig)*1000.);
- Double_t d=10000*track->GetD();
- hmpt->Fill(d);
+ Float_t lamg=TMath::ATan2(ref->Pz(),ptg);
+ hl->Fill((lam - lamg)*1000.);
- //hptw->Fill(ptg,TMath::Abs(d));
+ Double_t d=10000*track.GetD(ref->X(),ref->Y());
+ hmpt->Fill(d);
- Double_t z=10000*track->GetZ();
- hz->Fill(z);
+ Double_t z=10000*(track.GetZ()-ref->Z());
+ hz->Fill(z);
- hpt->Fill((pt_1 - 1/ptg)/(1/ptg)*100.);
+ 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.);
- }
+ Float_t mom=1./(pt_1*TMath::Cos(lam));
+ Float_t dedx=track.GetdEdx();
+ hep->Fill(mom,dedx,1.);
+ Int_t pdg=(Int_t)ref->GetLength(); //this is particle's PDG !
- 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;
+ if (TMath::Abs(pdg)==211) //pions
+ if (mom>0.4 && mom<0.5) he->Fill(dedx,1.);
- cerr<<"Number of good tracks : "<<ngood<<endl;
- cerr<<"Number of found tracks : "<<nentr<<endl;
+ }
+
+ cout<<"\nList of Not found tracks :\n";
+ for (k=0; k<nnotf; k++){
+ cout<<notf[k]<<"\t";
+ if ((k%9)==8) cout<<"\n";
+ }
+ cout<<"\n\nList of fake tracks :\n";
+ for (k=0; k<nfake; k++){
+ cout<<fake[k]<<"\t";
+ if ((k%9)==8) cout<<"\n";
+ }
+ cout<<"\n\nList of multiple found tracks :\n";
+ for (k=0; k<nmult; k++) {
+ cout<<"id. "<<mult[k]
+ <<" found - "<<numb[k]<<"times\n";
+ }
+ cout<<endl;
+
+ cout<<"Number of found tracks : "<<nentr<<endl;
+ cout<<"Number of \"good\" tracks : "<<ngood<<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;
+ refs->Clear();
+ delete event;
+ } //***** End of the loop over events
+
+ ef->Close();
+
+ delete itsTree;
+ refFile->Close();
+
+ Stat_t ng=hgood->GetEntries(), nf=hfound->GetEntries();
+ if (ng!=0) cout<<"\n\nIntegral efficiency is about "<<nf/ng*100.<<" %\n";
+ cout<<"Total number selected of \"good\" tracks ="<<allselected<<endl<<endl;
+ cout<<"Total number of found tracks ="<<allfound<<endl;
+ cout<<"Total number of \"good\" tracks ="<<allgood<<endl;
+ cout<<endl;
gStyle->SetOptStat(111110);
gStyle->SetOptFit(1);
hmpt->SetXTitle("(micron)");
if (hmpt->GetEntries()<minc) hmpt->Draw(); else hmpt->Fit("gaus");
hz->Draw("same"); c1->cd();
- //hfound->Sumw2();
- //hptw->Sumw2();
- //hg->SetMaximum(333);
- //hg->SetYTitle("Impact Parameter Resolution (micron)");
- //hg->SetXTitle("Pt (GeV/c)");
- //hg->GetXaxis()->SetRange(0,10);
- //hg->Divide(hptw,hfound,1,1.);
- //hg->DrawCopy(); c1->cd();
TPad *p5=new TPad("p5","",0,0.6,1,1); p5->Draw(); p5->cd();
hg->SetXTitle("Pt (GeV/c)");
hg->Draw();
- TLine *line1 = new TLine(pmin,1.0,pmax,1.0); line1->SetLineStyle(4);
+ TLine *line1 = new TLine(0.2,1.0,6.1,1.0); line1->SetLineStyle(4);
line1->Draw("same");
- TLine *line2 = new TLine(pmin,0.9,pmax,0.9); line2->SetLineStyle(4);
+ TLine *line2 = new TLine(0.2,0.9,6.1,0.9); line2->SetLineStyle(4);
line2->Draw("same");
hf->SetFillColor(1);
c2->Write();
fc.Close();
+ gBenchmark->Stop("AliITSComparisonV2");
+ gBenchmark->Show("AliITSComparisonV2");
+
return 0;
}
-Int_t good_tracks_its(GoodTrackITS *gt, const Int_t max, const char* evfoldname) {
- AliRunLoader* rl = AliRunLoader::GetRunLoader(evfoldname);
- if (rl == 0x0) {
- ::Fatal("AliITSComparisonV2.C::good_tracks_its",
- "Can not find Run Loader in Folder Named %s",
- evfoldname);
+
+
+Int_t GoodTracksITS(const Char_t *dir) {
+ if (gAlice) {
+ delete gAlice->GetRunLoader();
+ delete gAlice;//if everything was OK here it is already NULL
+ gAlice = 0x0;
}
- AliITSLoader* itsl = (AliITSLoader*)rl->GetLoader("ITSLoader");
- if (itsl == 0x0) {
- cerr<<"AliITSComparisonV2.C : Can not find ITSLoader\n";
- delete rl;
- return 3;
+ Char_t fname[100];
+ sprintf(fname,"%s/galice.root",dir);
+
+ AliRunLoader *rl = AliRunLoader::Open(fname,"COMPARISON");
+ if (!rl) {
+ ::Error("GoodTracksITS","Can't start session !");
+ return 1;
}
-
+
rl->LoadgAlice();
rl->LoadHeader();
- Int_t np = rl->GetHeader()->GetNtrack();
-
- Int_t *good=new Int_t[np];
- Int_t k;
- for (k=0; k<np; k++) good[k]=0;
+ rl->LoadKinematics();
AliITS *ITS=(AliITS*)rl->GetAliRun()->GetDetector("ITS");
if (!ITS) {
- cerr<<"can't get ITS !\n"; exit(8);
+ ::Error("GoodTracksITS","Can't get the ITS !");
+ delete rl;
+ return 2;
}
AliITSgeom *geom=ITS->GetITSgeom();
if (!geom) {
- cerr<<"can't get ITS geometry !\n"; exit(9);
+ ::Error("GoodTracksITS","Can't get the ITS geometry !");
+ delete rl;
+ return 3;
}
+ AliITSLoader* itsl = (AliITSLoader*)rl->GetLoader("ITSLoader");
+ if (itsl == 0x0) {
+ ::Error("GoodTracksITS","Can not find the ITSLoader");
+ delete rl;
+ return 4;
+ }
itsl->LoadRecPoints();
- TTree *cTree=itsl->TreeR();
- if (!cTree) {
- cerr<<"Can't get cTree !\n"; exit(7);
+
+
+ Int_t nev=rl->GetNumberOfEvents();
+ ::Info("GoodTracksITS","Number of events : %d\n",nev);
+
+ sprintf(fname,"%s/GoodTracksTPC.root",dir);
+ TFile *tpcFile=TFile::Open(fname);
+ if ((!tpcFile)||(!tpcFile->IsOpen())) {
+ ::Error("GoodTracksITS","Can't open the GoodTracksTPC.root !");
+ delete rl;
+ return 5;
}
- TBranch *branch=cTree->GetBranch("Clusters");
- if (!branch) {
- cerr<<"Can't get clusters branch !\n"; exit(8);
+ TClonesArray dum("AliTrackReference",1000), *tpcRefs=&dum;
+ TTree *tpcTree=(TTree*)tpcFile->Get("tpcTree");
+ if (!tpcTree) {
+ ::Error("GoodTracksITS","Can't get the TPC reference tree !");
+ delete rl;
+ return 6;
}
- TClonesArray *clusters=new TClonesArray("AliITSclusterV2",10000);
- branch->SetAddress(&clusters);
-
- Int_t entr=(Int_t)cTree->GetEntries();
- for (k=0; k<entr; k++) {
- cTree->GetEvent(k);
- Int_t ncl=clusters->GetEntriesFast(); if (ncl==0) continue;
- Int_t lay,lad,det; geom->GetModuleId(k,lay,lad,det);
- if (lay<1 || lay>6) {
- cerr<<"wrong layer !\n"; exit(10);
+ TBranch *tpcBranch=tpcTree->GetBranch("TPC");
+ if (!tpcBranch) {
+ ::Error("GoodTracksITS","Can't get the TPC reference branch !");
+ delete rl;
+ return 7;
+ }
+ tpcBranch->SetAddress(&tpcRefs);
+
+ sprintf(fname,"%s/GoodTracksITS.root",dir);
+ TFile *itsFile=TFile::Open(fname,"recreate");
+ TClonesArray dummy("AliTrackReference",1000), *itsRefs=&dummy;
+ TTree itsTree("itsTree","Tree with info about the reconstructable ITS tracks");
+ itsTree.Branch("ITS",&itsRefs);
+
+ //******** Loop over generated events
+ for (Int_t e=0; e<nev; e++) {
+ Int_t k;
+
+ rl->GetEvent(e); itsFile->cd();
+
+ Int_t np = rl->GetHeader()->GetNtrack();
+ cout<<"Event "<<e<<" Number of particles: "<<np<<endl;
+
+ //******** Fill the "good" masks
+ Int_t *good=new Int_t[np]; for (k=0; k<np; k++) good[k]=0;
+
+ TTree *cTree=itsl->TreeR();
+ if (!cTree) {
+ ::Error("GoodTracksITS","Can't get the cluster tree !");
+ delete rl;
+ return 8;
}
- while (ncl--) {
- AliITSclusterV2 *pnt=(AliITSclusterV2*)clusters->UncheckedAt(ncl);
- Int_t l0=pnt->GetLabel(0);
- if (l0>=np) {cerr<<"Wrong label: "<<l0<<endl; continue;}
- Int_t l1=pnt->GetLabel(1);
- if (l1>=np) {cerr<<"Wrong label: "<<l1<<endl; continue;}
- Int_t l2=pnt->GetLabel(2);
- if (l2>=np) {cerr<<"Wrong label: "<<l2<<endl; continue;}
- Int_t mask=1<<(lay-1);
- if (l0>=0) good[l0]|=mask;
- if (l1>=0) good[l1]|=mask;
- if (l2>=0) good[l2]|=mask;
+ TBranch *branch=cTree->GetBranch("Clusters");
+ if (!branch) {
+ ::Error("GoodTracksITS","Can't get the clusters branch !");
+ delete rl;
+ return 9;
+ }
+ TClonesArray dummy("AliITSclusterV2",10000), *clusters=&dummy;
+ branch->SetAddress(&clusters);
+
+ Int_t entr=(Int_t)cTree->GetEntries();
+ for (k=0; k<entr; k++) {
+ cTree->GetEvent(k);
+ Int_t ncl=clusters->GetEntriesFast(); if (ncl==0) continue;
+ Int_t lay,lad,det; geom->GetModuleId(k,lay,lad,det);
+ if (lay<1 || lay>6) {
+ ::Error("GoodTracksITS","Wrong layer !");
+ delete rl;
+ return 10;
+ }
+ while (ncl--) {
+ AliITSclusterV2 *pnt=(AliITSclusterV2*)clusters->UncheckedAt(ncl);
+ Int_t l0=pnt->GetLabel(0);
+ if (l0>=np) {
+// cerr<<"Wrong label: "<<l0<<endl;
+ continue;
+ }
+ Int_t l1=pnt->GetLabel(1);
+ if (l1>=np) {
+// cerr<<"Wrong label: "<<l1<<endl;
+ continue;
+ }
+ Int_t l2=pnt->GetLabel(2);
+ if (l2>=np) {
+// cerr<<"Wrong label: "<<l2<<endl;
+ continue;
+ }
+ Int_t mask=1<<(lay-1);
+ if (l0>=0) good[l0]|=mask;
+ if (l1>=0) good[l1]|=mask;
+ if (l2>=0) good[l2]|=mask;
+ }
+ clusters->Clear();
}
- }
- clusters->Delete(); delete clusters;
- 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;
- while (in>>lab>>code>>px>>py>>pz>>x>>y>>z) {
- if (good[lab] != 0x3F) continue;
- 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
- gt[nt].px=p->Px(); gt[nt].py=p->Py(); gt[nt].pz=p->Pz();
- gt[nt].x=gt[nt].y=gt[nt].z=0.;
- nt++;
- if (nt==max) {cerr<<"Too many good tracks !\n"; break;}
- }
- delete[] good;
+ //****** select tracks which are "good" enough
+ AliStack* stack = rl->Stack();
+
+ tpcTree->GetEvent(e);
+ Int_t nk=tpcRefs->GetEntriesFast();
+ Int_t nt=0;
+ for (k=0; k<nk; k++) {
+ AliTrackReference *tpcRef=(AliTrackReference *)tpcRefs->UncheckedAt(k);
+ Int_t lab=tpcRef->Label();
+ if (good[lab] != 0x3F) continue;
+ TParticle *p = (TParticle*)stack->Particle(lab);
+ if (p == 0x0) {
+ cerr<<"Can not get particle "<<lab<<endl;
+ continue;
+ }
+
+ AliTrackReference *ref=new((*itsRefs)[nt]) AliTrackReference(*tpcRef);
+ ref->SetMomentum(p->Px(),p->Py(),p->Pz());
+ ref->SetPosition(p->Vx(),p->Vy(),p->Vz());
+ nt++;
+ }
+ tpcRefs->Clear();
+
+ itsTree.Fill();
+ itsRefs->Clear();
- rl->UnloadKinematics();
- rl->UnloadHeader();
- rl->UnloadgAlice();
+ delete[] good;
- return nt;
+ } //*** end of the loop over generated events
+
+ itsTree.Write();
+ itsFile->Close();
+
+ delete tpcTree;
+ tpcFile->Close();
+
+ delete rl;
+ return 0;
}
****************************************************************************/
#if !defined(__CINT__) || defined(__MAKECINT__)
- #include "Riostream.h"
- #include <fstream.h>
-
- #include "AliRun.h"
- #include "AliMC.h"
+ #include <TMath.h>
+ #include <TError.h>
+ #include <Riostream.h>
+ #include <TH1F.h>
+ #include <TTree.h>
+ #include <TParticle.h>
+ #include <TCanvas.h>
+ #include <TLine.h>
+ #include <TText.h>
+ #include <TBenchmark.h>
+ #include <TStyle.h>
+ #include <TKey.h>
+ #include <TROOT.h>
+
+ #include "AliStack.h"
#include "AliHeader.h"
+ #include "AliTrackReference.h"
#include "AliRunLoader.h"
- #include "AliITSLoader.h"
-
- #include "TH1.h"
- #include "TFile.h"
- #include "TKey.h"
- #include "TTree.h"
- #include "TObjArray.h"
- #include "TStyle.h"
- #include "TCanvas.h"
- #include "TLine.h"
- #include "TText.h"
- #include "TParticle.h"
- #include "TStopwatch.h"
-
#include "AliRun.h"
#include "AliESD.h"
- #include "AliV0vertex.h"
#endif
-struct GoodVertex {
- Int_t nlab,plab;
- Int_t code;
- Float_t px,py,pz;
- Float_t x,y,z;
-};
-Int_t good_vertices(GoodVertex *gt, Int_t max);
+Int_t GoodV0s(const Char_t *dir=".");
extern AliRun *gAlice;
+extern TBenchmark *gBenchmark;
+extern TROOT *gROOT;
-Int_t AliV0Comparison(Int_t code=310) { //Lambda=3122, LambdaBar=-3122
- cerr<<"Doing comparison...\n";
- TStopwatch timer;
-
- /*** Check if the file with the "good" vertices exists ***/
- GoodVertex gv[1000];
- Int_t ngood=0;
- ifstream in("good_vertices");
- if (in) {
- cerr<<"Reading good vertices...\n";
- while (in>>gv[ngood].nlab>>gv[ngood].plab>>gv[ngood].code>>
- gv[ngood].px>>gv[ngood].py>>gv[ngood].pz>>
- gv[ngood].x >>gv[ngood].y >>gv[ngood].z) {
- ngood++;
- cerr<<ngood<<'\r';
- if (ngood==1000) {
- cerr<<"Too many good vertices !\n";
- break;
- }
- }
- if (!in.eof()) cerr<<"Read error (good_vertices) !\n";
- } else {
- /*** generate a file with the "good" vertices ***/
- cerr<<"Marking good vertices (this will take a while)...\n";
- ngood=good_vertices(gv,1000);
- ofstream out("good_vertices");
- if (out) {
- for (Int_t ngd=0; ngd<ngood; ngd++)
- out<<gv[ngd].nlab<<' '<<gv[ngd].plab<<' '<<gv[ngd].code<<' '<<
- gv[ngd].px<<' '<<gv[ngd].py<<' '<<gv[ngd].pz<<' '<<
- gv[ngd].x <<' '<<gv[ngd].y <<' '<<gv[ngd].z <<endl;
- } else cerr<<"Can not open file (good_vertices) !\n";
- out.close();
- }
+static Int_t allgood=0;
+static Int_t allfound=0;
-
- AliESD *event=0;
- { /*** Load reconstructed vertices ***/
- TFile *ef=TFile::Open("AliESDv0.root");
- if ((!ef)||(!ef->IsOpen())) {
- cerr<<"AliV0Comparison.C: Can't open AliESDv0.root !\n";
- return 1;
- }
- TKey *key=0;
- TIter next(ef->GetListOfKeys());
- if ((key=(TKey*)next())!=0) event=(AliESD*)key->ReadObj();
- ef->Close();
- }
- Int_t nentr=event->GetNumberOfV0s();
+Int_t AliV0Comparison(Int_t code=310, const Char_t *dir=".") {
+ //Lambda=3122, LambdaBar=-3122
+ gBenchmark->Start("AliV0Comparison");
+
+ ::Info("AliV0Comparison.C","Doing comparison...");
const Double_t V0window=0.05;
default: cerr<<"Invalid PDG code !\n"; return 1;
}
- TH1F *hp=new TH1F("hp","Angular Resolution",30,-30.,30.); //phi resolution
+ TH1F *hp=(TH1F*)gROOT->FindObject("hp");
+ if (!hp) hp=new TH1F("hp","PHI Resolution",30,-30.,30.);
hp->SetXTitle("(mrad)"); hp->SetFillColor(2);
- TH1F *hl=new TH1F("hl","Lambda Resolution",30,-30,30);
- hl->SetXTitle("(mrad)"); hl->SetFillColor(1); hl->SetFillStyle(3013);
- TH1F *hpt=new TH1F("hpt","Relative Pt Resolution",30,-10.,10.);
+
+ TH1F *hl=(TH1F*)gROOT->FindObject("hl");
+ if (!hl) hl=new TH1F("hl","LAMBDA Resolution",30,-30,30);
+ hl->SetXTitle("(mrad)"); hl->SetFillColor(1); hl->SetFillStyle(3013);
+
+ TH1F *hpt=(TH1F*)gROOT->FindObject("hpt");
+ if (!hpt) hpt=new TH1F("hpt","Relative Pt Resolution",30,-10.,10.);
hpt->SetXTitle("(%)"); hpt->SetFillColor(2);
- TH1F *hx=new TH1F("hx","Position Resolution (X,Y)",30,-3.,3.); //x res.
+ TH1F *hx=(TH1F*)gROOT->FindObject("hx");
+ if (!hx) hx=new TH1F("hx","Position Resolution (X)",30,-3.,3.);
hx->SetXTitle("(mm)"); hx->SetFillColor(6);
- TH1F *hy=new TH1F("hy","Position Resolution (Y)",30,-3.,3.); //y res
+
+ TH1F *hy=(TH1F*)gROOT->FindObject("hy");
+ if (!hy) hy=new TH1F("hy","Position Resolution (Y)",30,-3.,3.);
hy->SetXTitle("(mm)"); hy->SetFillColor(1); hy->SetFillStyle(3013);
- TH1F *hz=new TH1F("hz","Position Resolution (Z)",30,-3.,3.); //z res.
+
+ TH1F *hz=(TH1F*)gROOT->FindObject("hz");
+ if (!hz) hz=new TH1F("hz","Position Resolution (Z)",30,-3.,3.);
hz->SetXTitle("(mm)"); hz->SetFillColor(6);
Double_t pmin=0.2, pmax=4.2; Int_t nchan=20;
- TH1F *hgood=new TH1F("hgood","Good Vertices",nchan,pmin,pmax);
- TH1F *hfound=new TH1F("hfound","Found Vertices",nchan,pmin,pmax);
- TH1F *hfake=new TH1F("hfake","Fake Vertices",nchan,pmin,pmax);
- TH1F *hg=new TH1F("hg","Efficiency for Good Vertices",nchan,pmin,pmax);
+ TH1F *hgood=(TH1F*)gROOT->FindObject("hgood");
+ if (!hgood) hgood=new TH1F("hgood","Good Vertices",nchan,pmin,pmax);
+
+ TH1F *hfound=(TH1F*)gROOT->FindObject("hfound");
+ if (!hfound) hfound=new TH1F("hfound","Found Vertices",nchan,pmin,pmax);
+
+ TH1F *hfake=(TH1F*)gROOT->FindObject("hfake");
+ if (!hfake) hfake=new TH1F("hfake","Fake Vertices",nchan,pmin,pmax);
+
+ TH1F *hg=(TH1F*)gROOT->FindObject("hg");
+ if (!hg) hg=new TH1F("hg","Efficiency for Good Vertices",nchan,pmin,pmax);
hg->SetLineColor(4); hg->SetLineWidth(2);
- TH1F *hf=new TH1F("hf","Probability of Fake Vertices",nchan,pmin,pmax);
+
+ TH1F *hf=(TH1F*)gROOT->FindObject("hf");
+ if (!hf) hf=new TH1F("hf","Probability of Fake Vertices",nchan,pmin,pmax);
hf->SetFillColor(1); hf->SetFillStyle(3013); hf->SetLineWidth(2);
+
Double_t mmin=V0mass-V0window, mmax=V0mass+V0window;
- TH1F *v0s =new TH1F("v0s","V0s Effective Mass",40, mmin, mmax);
- v0s->SetXTitle("(GeV)");
- v0s->SetLineColor(4); v0s->SetLineWidth(4);
- TH1F *v0sf =new TH1F("v0sf","Fake V0s Effective Mass",40, mmin, mmax);
+ TH1F *v0s=(TH1F*)gROOT->FindObject("v0s");
+ if (!v0s) v0s=new TH1F("v0s","V0s Effective Mass",40, mmin, mmax);
+ v0s->SetXTitle("(GeV)"); v0s->SetLineColor(4); v0s->SetLineWidth(4);
+
+ TH1F *v0sf=(TH1F*)gROOT->FindObject("v0sf");
+ if (!v0sf) v0sf=new TH1F("v0sf","Fake V0s Effective Mass",40, mmin, mmax);
v0sf->SetXTitle("(GeV)"); v0sf->SetFillColor(6);
- Double_t pxg=0.,pyg=0.,ptg=0.;
- Int_t nlab=-1, plab=-1;
- Int_t i;
- for (i=0; i<nentr; i++) {
- AliESDv0 *vertex=event->GetV0(i);
-
- Int_t nidx=TMath::Abs(vertex->GetNindex());
- Int_t pidx=TMath::Abs(vertex->GetPindex());
-
- AliESDtrack *ntrack=event->GetTrack(nidx);
- AliESDtrack *ptrack=event->GetTrack(pidx);
-
- nlab=TMath::Abs(ntrack->GetLabel());
- plab=TMath::Abs(ptrack->GetLabel());
-
- /** Kinematical cuts **/
- Double_t pxn,pyn,pzn; vertex->GetNPxPyPz(pxn,pyn,pzn);
- Double_t ptn=TMath::Sqrt(pxn*pxn + pyn*pyn);
- if (ptn < ptncut) continue;
- Double_t pxp,pyp,pzp; vertex->GetPPxPyPz(pxp,pyp,pzp);
- Double_t ptp=TMath::Sqrt(pxp*pxp + pyp*pyp);
- if (ptp < ptpcut) continue;
- Double_t kine=vertex->ChangeMassHypothesis(code);
- //if (TMath::Abs(kine)>kinecut) continue;
-
- Double_t mass=vertex->GetEffMass();
- v0s->Fill(mass);
- v0sf->Fill(mass);
-
- Int_t j;
- for (j=0; j<ngood; j++) {
- if (gv[j].code != vertex->GetPdgCode()) continue;
- if (gv[j].nlab == nlab)
- if (gv[j].plab == plab) break;
- }
-
- if (TMath::Abs(mass-V0mass)>V0width) continue;
-
- Double_t px,py,pz; vertex->GetPxPyPz(px,py,pz);
- Double_t pt=TMath::Sqrt(px*px+py*py);
-
- if (j==ngood) {
- hfake->Fill(pt);
- cerr<<"Fake vertex: ("<<nlab<<","<<plab<<")\n";
- continue;
- }
- v0sf->Fill(mass,-1);
-
- pxg=gv[j].px; pyg=gv[j].py; ptg=TMath::Sqrt(pxg*pxg+pyg*pyg);
- Double_t phig=TMath::ATan2(pyg,pxg), phi=TMath::ATan2(py,px);
- Double_t lamg=TMath::ATan2(gv[j].pz,ptg), lam=TMath::ATan2(pz,pt);
- hp->Fill((phi - phig)*1000.);
- hl->Fill((lam - lamg)*1000.);
- hpt->Fill((1/pt - 1/ptg)/(1/ptg)*100.);
-
- Double_t x,y,z; vertex->GetXYZ(x,y,z);
- hx->Fill((x-gv[j].x)*10);
- hy->Fill((y-gv[j].y)*10);
- hz->Fill((z-gv[j].z)*10);
-
- hfound->Fill(ptg);
- gv[j].nlab=-1;
+ Char_t fname[100];
+ sprintf(fname,"%s/GoodV0s.root",dir);
+
+ TFile *refFile=TFile::Open(fname,"old");
+ if (!refFile || !refFile->IsOpen()) {
+ ::Info("AliV0Comparison.C","Marking good V0s (will take a while)...");
+ if (GoodV0s(dir)) {
+ ::Error("AliV0Comparison.C","Can't generate the reference file !");
+ return 1;
+ }
+ }
+ refFile=TFile::Open(fname,"old");
+ if (!refFile || !refFile->IsOpen()) {
+ ::Error("AliV0Comparison.C","Can't open the reference file !");
+ return 1;
+ }
+
+ TTree *v0Tree=(TTree*)refFile->Get("v0Tree");
+ if (!v0Tree) {
+ ::Error("AliV0Comparison.C","Can't get the reference tree !");
+ return 2;
+ }
+ TBranch *pbranch=v0Tree->GetBranch("positive");
+ if (!pbranch) {
+ ::Error("AliV0Comparison.C","Can't get the positive daughter branch !");
+ return 3;
+ }
+ TClonesArray dummy("AliTrackReference",1000), *prefs=&dummy;
+ pbranch->SetAddress(&prefs);
+ TBranch *nbranch=v0Tree->GetBranch("negative");
+ if (!nbranch) {
+ ::Error("AliV0Comparison.C","Can't get the negative daughter branch !");
+ return 4;
}
- for (i=0; i<ngood; i++) {
- if (gv[i].code != code) continue;
- pxg=gv[i].px; pyg=gv[i].py; ptg=TMath::Sqrt(pxg*pxg+pyg*pyg);
- hgood->Fill(ptg);
- nlab=gv[i].nlab; plab=gv[i].plab;
- if (nlab < 0) continue;
- cerr<<"Vertex ("<<nlab<<','<<plab<<") has not been found !\n";
+ TClonesArray dumm("AliTrackReference",1000), *nrefs=&dumm;
+ nbranch->SetAddress(&nrefs);
+
+
+ sprintf(fname,"%s/AliESDs.root",dir);
+ TFile *ef=TFile::Open(fname);
+ if ((!ef)||(!ef->IsOpen())) {
+ sprintf(fname,"%s/AliESDv0.root",dir);
+ ef=TFile::Open(fname);
+ if ((!ef)||(!ef->IsOpen())) {
+ ::Error("AliV0Comparison.C","Can't open AliESDv0.root !");
+ return 5;
+ }
}
+ TKey *key=0;
+ TIter next(ef->GetListOfKeys());
+
+
+ //******* Loop over events *********
+ Int_t e=0;
+ while ((key=(TKey*)next())!=0) {
+ cout<<endl<<endl<<"********* Processing event number: "<<e<<"*******\n";
+
+ AliESD *event=(AliESD*)key->ReadObj();
+
+ Int_t nentr=event->GetNumberOfV0s();
+ allfound+=nentr;
- delete event;
+ if (v0Tree->GetEvent(e++)==0) {
+ cerr<<"No reconstructable V0s !\n";
+ continue;
+ }
- Stat_t ng=hgood->GetEntries();
- Stat_t nf=hfound->GetEntries();
+ Int_t ngood=prefs->GetEntriesFast(),ng=0;
- cerr<<"Number of found vertices: "<<nentr<<" ("<<nf<<" in the peak)\n";
- cerr<<"Number of good vertices: "<<ng<<endl;
+ Double_t pxg=0.,pyg=0.,pzg=0.,ptg=0.;
+ Int_t nlab=-1, plab=-1;
+ Int_t i;
+ for (i=0; i<nentr; i++) {
+ AliESDv0 *vertex=event->GetV0(i);
+
+ Int_t nidx=TMath::Abs(vertex->GetNindex());
+ Int_t pidx=TMath::Abs(vertex->GetPindex());
+
+ AliESDtrack *ntrack=event->GetTrack(nidx);
+ AliESDtrack *ptrack=event->GetTrack(pidx);
+
+ nlab=TMath::Abs(ntrack->GetLabel());
+ plab=TMath::Abs(ptrack->GetLabel());
+
+ /** Kinematical cuts **/
+ Double_t pxn,pyn,pzn; vertex->GetNPxPyPz(pxn,pyn,pzn);
+ Double_t ptn=TMath::Sqrt(pxn*pxn + pyn*pyn);
+ if (ptn < ptncut) continue;
+ Double_t pxp,pyp,pzp; vertex->GetPPxPyPz(pxp,pyp,pzp);
+ Double_t ptp=TMath::Sqrt(pxp*pxp + pyp*pyp);
+ if (ptp < ptpcut) continue;
+ Double_t kine=vertex->ChangeMassHypothesis(code);
+ //if (TMath::Abs(kine)>kinecut) continue;
+
+ Double_t mass=vertex->GetEffMass();
+ v0s->Fill(mass);
+ v0sf->Fill(mass);
+
+ AliTrackReference *nref=0, *pref=0;
+ Int_t j;
+ for (j=0; j<ngood; j++) {
+ nref=(AliTrackReference*)nrefs->UncheckedAt(j);
+ pref=(AliTrackReference*)prefs->UncheckedAt(j);
+ if (nref->Label() == nlab)
+ if (pref->Label() == plab) break;
+ }
+
+ if (TMath::Abs(mass-V0mass)>V0width) continue;
+
+ Double_t px,py,pz; vertex->GetPxPyPz(px,py,pz);
+ Double_t pt=TMath::Sqrt(px*px+py*py);
+
+ if (j==ngood) {
+ hfake->Fill(pt);
+ cout<<"Fake vertex: ("<<nlab<<","<<plab<<")\n";
+ continue;
+ }
+ v0sf->Fill(mass,-1);
+
+ pxg=nref->Px()+pref->Px(); pyg=nref->Py()+pref->Py();
+ pzg=nref->Pz()+pref->Pz();
+ ptg=TMath::Sqrt(pxg*pxg+pyg*pyg);
+ Double_t phig=TMath::ATan2(pyg,pxg), phi=TMath::ATan2(py,px);
+ Double_t lamg=TMath::ATan2(pzg,ptg), lam=TMath::ATan2(pz,pt);
+ hp->Fill((phi - phig)*1000.);
+ hl->Fill((lam - lamg)*1000.);
+ hpt->Fill((1/pt - 1/ptg)/(1/ptg)*100.);
+
+ Double_t x,y,z; vertex->GetXYZ(x,y,z);
+ hx->Fill((x - nref->X())*10);
+ hy->Fill((y - nref->Y())*10);
+ hz->Fill((z - nref->Z())*10);
+
+ hfound->Fill(ptg);
+ nref->SetLabel(-1);
+
+ }
+ for (i=0; i<ngood; i++) {
+ AliTrackReference *nref=(AliTrackReference*)nrefs->UncheckedAt(i);
+ AliTrackReference *pref=(AliTrackReference*)prefs->UncheckedAt(i);
+ Int_t pdg=(Int_t)nref->GetLength();//this is the mother's PDG !
+ if (code!=pdg) continue;
+ ng++;
+ pxg=nref->Px()+pref->Px(); pyg=nref->Py()+pref->Py();
+ ptg=TMath::Sqrt(pxg*pxg+pyg*pyg);
+ hgood->Fill(ptg);
+ nlab=nref->Label(); plab=pref->Label();
+ if (nlab < 0) continue;
+ cout<<"Vertex ("<<nlab<<','<<plab<<") has not been found !\n";
+ }
+ allgood+=ng;
+
+ cout<<"Number of found V0s : "<<nentr<<endl;
+ cout<<"Number of \"good\" V0s : "<<ng<<endl;
+
+ prefs->Clear();
+ nrefs->Clear();
+ delete event;
+
+ } //**** End of the loop over events
+
+ ef->Close();
+
+ delete v0Tree;
+ refFile->Close();
- if (ng!=0)
- cerr<<"Integral efficiency is about "<<nf/ng*100.<<" %\n";
+ Stat_t ng=hgood->GetEntries(), nf=hfound->GetEntries();
+ if (ng!=0) cout<<"Integral efficiency is about "<<nf/ng*100.<<" %\n";
+ cout<<"Total number of found V0s: "<<allfound<<" ("<<nf<<" in the peak)\n";
+ cout<<"Total number of \"good\" V0s: "<<allgood<<endl;
gStyle->SetOptStat(111110);
gStyle->SetOptFit(1);
- TCanvas *c1=new TCanvas("c1","",0,0,580,610);
- c1->Divide(2,2);
+ TCanvas *c1=(TCanvas*)gROOT->FindObject("c1");
+ if (!c1) {
+ c1=new TCanvas("c1","",0,0,580,610);
+ c1->Divide(2,2);
+ }
+
+ Int_t minc=33;
c1->cd(1);
gPad->SetFillColor(42); gPad->SetFrameFillColor(10);
- //hp->Fit("gaus");
- hp->Draw();
+ if (hp->GetEntries()<minc) hp->Draw(); else hp->Fit("gaus");
hl->Draw("same"); c1->cd();
c1->cd(2);
gPad->SetFillColor(42); gPad->SetFrameFillColor(10);
- //hpt->Fit("gaus"); c1->cd();
- hpt->Draw(); c1->cd();
+ if (hpt->GetEntries()<minc) hpt->Draw(); else hpt->Fit("gaus");
+ c1->cd();
c1->cd(3);
gPad->SetFillColor(42); gPad->SetFrameFillColor(10);
- //hx->Fit("gaus");
- hx->Draw();
+ if (hx->GetEntries()<minc) hx->Draw(); else hx->Fit("gaus");
hy->Draw("same"); c1->cd();
c1->cd(4);
gPad->SetFillColor(42); gPad->SetFrameFillColor(10);
- //hz->Fit("gaus");
- hz->Draw();
+ if (hz->GetEntries()<minc) hz->Draw(); else hz->Fit("gaus");
+ c1->Update();
- TCanvas *c2=new TCanvas("c2","",600,0,580,610);
- c2->Divide(1,2);
+ TCanvas *c2=(TCanvas*)gROOT->FindObject("c2");
+ if (!c2) {
+ c2=new TCanvas("c2","",600,0,580,610);
+ c2->Divide(1,2);
+ }
c2->cd(1);
gPad->SetFillColor(42); gPad->SetFrameFillColor(10);
c2->cd(2);
gPad->SetFillColor(42); gPad->SetFrameFillColor(10);
- //v0s->Fit("gaus","","",V0mass-V0width,V0mass+V0width);
- v0s->Draw();
+ if (v0s->GetEntries()<minc) v0s->Draw();
+ else v0s->Fit("gaus","","",V0mass-V0width,V0mass+V0width);
v0sf->Draw("same");
Double_t max=v0s->GetMaximum();
TLine *line3 = new TLine(V0mass-V0width,0.,V0mass-V0width,max);
TLine *line4 = new TLine(V0mass+V0width,0.,V0mass+V0width,max);
line4->Draw("same");
- timer.Stop(); timer.Print();
+ c2->Update();
+
+ TFile fc("AliV0Comparison.root","RECREATE");
+ c1->Write();
+ c2->Write();
+ fc.Close();
+
+ gBenchmark->Stop("AliV0Comparison");
+ gBenchmark->Show("AliV0Comparison");
return 0;
}
-Int_t good_vertices(GoodVertex *gv, Int_t max) {
- Int_t nv=0;
- /*** Get information about the cuts ***/
- Double_t r2min=0.9*0.9;
- Double_t r2max=2.9*2.9;
- /*** Get labels of the "good" tracks ***/
- Double_t dd; Int_t id, label[15000], ngt=0;
- ifstream in("good_tracks_its");
- if (!in) {
- cerr<<"Can't open the file good_tracks_its \n";
- return nv;
- }
- while (in>>label[ngt]>>id>>dd>>dd>>dd>>dd>>dd>>dd) {
- ngt++;
- if (ngt>=15000) {
- cerr<<"Too many good ITS tracks !\n";
- return nv;
- }
- }
- if (!in.eof()) {
- cerr<<"Read error (good_tracks_its) !\n";
- return nv;
+Int_t GoodV0s(const Char_t *dir) {
+ if (gAlice) {
+ delete gAlice->GetRunLoader();
+ delete gAlice;//if everything was OK here it is already NULL
+ gAlice = 0x0;
}
- /*** Get an access to the kinematics ***/
- if (gAlice) {
- delete gAlice->GetRunLoader();
- delete gAlice;
- gAlice=0;
- }
- AliRunLoader *rl = AliRunLoader::Open("galice.root");
+ Char_t fname[100];
+ sprintf(fname,"%s/galice.root",dir);
+
+ AliRunLoader *rl = AliRunLoader::Open(fname,"COMPARISON");
if (!rl) {
- cerr<<"AliV0Comparison.C, good_vertices :Can't start session !\n";
- return 1;
+ ::Error("GoodTracksITS","Can't start session !");
+ return 1;
}
rl->LoadgAlice();
rl->LoadHeader();
rl->LoadKinematics();
- Int_t np = rl->GetHeader()->GetNtrack();
-
- while (np--) {
- cerr<<np<<'\r';
- TParticle *p0=gAlice->GetMCApp()->Particle(np);
-
- /*** only these V0s are "good" ***/
- Int_t code=p0->GetPdgCode();
- if (code!=kK0Short)
- if (code!=kLambda0)
- if (code!=kLambda0Bar) continue;
-
- /*** daughter tracks should be "good" ***/
- Int_t plab=p0->GetFirstDaughter(), nlab=p0->GetLastDaughter();
- if (nlab==plab) continue;
- if (nlab<0) continue;
- if (plab<0) continue;
- Int_t i;
- for (i=0; i<ngt; i++) if (label[i]==nlab) break;
- if (i==ngt) continue;
- for (i=0; i<ngt; i++) if (label[i]==plab) break;
- if (i==ngt) continue;
-
- /*** fiducial volume ***/
- TParticle *p=gAlice->GetMCApp()->Particle(nlab);
- Double_t x=p->Vx(), y=p->Vy(), z=p->Vz(), r2=x*x+y*y;
- if (r2<r2min) continue;
- if (r2>r2max) continue;
+
+
+ Int_t nev=rl->GetNumberOfEvents();
+ ::Info("GoodV0s","Number of events : %d\n",nev);
+
+ sprintf(fname,"%s/GoodTracksITS.root",dir);
+ TFile *itsFile=TFile::Open(fname);
+ if ((!itsFile)||(!itsFile->IsOpen())) {
+ ::Error("GoodV0s","Can't open the GoodTracksITS.root !");
+ delete rl;
+ return 5;
+ }
+ TClonesArray dum("AliTrackReference",1000), *itsRefs=&dum;
+ TTree *itsTree=(TTree*)itsFile->Get("itsTree");
+ if (!itsTree) {
+ ::Error("GoodV0s","Can't get the ITS reference tree !");
+ delete rl;
+ return 6;
+ }
+ TBranch *itsBranch=itsTree->GetBranch("ITS");
+ if (!itsBranch) {
+ ::Error("GoodV0s","Can't get the ITS reference branch !");
+ delete rl;
+ return 7;
+ }
+ itsBranch->SetAddress(&itsRefs);
+
+
+ sprintf(fname,"%s/GoodV0s.root",dir);
+ TFile *v0File=TFile::Open(fname,"recreate");
+ TClonesArray dummy("AliTrackReference",1000), *nrefs=&dummy;
+ TClonesArray dumm("AliTrackReference",1000), *prefs=&dumm;
+ TTree v0Tree("v0Tree","Tree with info about the reconstructable V0s");
+ v0Tree.Branch("negative",&nrefs);
+ v0Tree.Branch("positive",&prefs);
+
+
+ /*** Some information about the cuts ***/
+ Double_t r2min=0.9*0.9;
+ Double_t r2max=2.9*2.9;
+
+
+
+ //******** Loop over generated events
+ for (Int_t e=0; e<nev; e++) {
+ rl->GetEvent(e); v0File->cd();
+
+ Int_t np = rl->GetHeader()->GetNtrack();
+ cout<<"Event "<<e<<" Number of particles: "<<np<<endl;
+
+ itsTree->GetEvent(e);
+ Int_t nk=itsRefs->GetEntriesFast();
+
+ AliStack *stack=rl->Stack();
+
+ AliTrackReference *nref=0, *pref=0;
+
+ Int_t nv=0;
+ while (np--) {
+ //cerr<<np<<'\r';
+ TParticle *p0=stack->Particle(np);
+
+ /*** only these V0s are "good" ***/
+ Int_t code=p0->GetPdgCode();
+ if (code!=kK0Short)
+ if (code!=kLambda0)
+ if (code!=kLambda0Bar) continue;
+
+ /*** daughter tracks should be "good" ***/
+ Int_t plab=p0->GetFirstDaughter(), nlab=p0->GetLastDaughter();
+ if (nlab==plab) continue;
+ if (nlab<0) continue;
+ if (plab<0) continue;
+ Int_t i;
+ if (stack->Particle(plab)->GetPDG()->Charge() < 0.) {
+ i=plab; plab=nlab; nlab=i;
+ }
+
+ for (i=0; i<nk; i++) {
+ nref=(AliTrackReference*)itsRefs->UncheckedAt(i);
+ if (nref->Label()==nlab) break;
+ }
+ if (i==nk) continue;
+ for (i=0; i<nk; i++) {
+ pref=(AliTrackReference*)itsRefs->UncheckedAt(i);
+ if (pref->Label()==plab) break;
+ }
+ if (i==nk) continue;
+
+ /*** fiducial volume ***/
+ TParticle *p=stack->Particle(nlab);
+ Double_t x=p->Vx(), y=p->Vy(), z=p->Vz(), r2=x*x+y*y;
+ if (r2<r2min) continue;
+ if (r2>r2max) continue;
- if (gAlice->GetMCApp()->Particle(plab)->GetPDG()->Charge() < 0.) {
- i=plab; plab=nlab; nlab=i;
+ Int_t pdg=p0->GetPdgCode();
+ nref->SetLength(pdg); //This will the V0's PDG !
+
+ new((*nrefs)[nv]) AliTrackReference(*nref);
+ new((*prefs)[nv]) AliTrackReference(*pref);
+
+ nv++;
}
-
- gv[nv].code=code;
- gv[nv].plab=plab; gv[nv].nlab=nlab;
- gv[nv].px=p0->Px(); gv[nv].py=p0->Py(); gv[nv].pz=p0->Pz();
- gv[nv].x=x; gv[nv].y=y; gv[nv].z=z;
- nv++;
- }
-
- delete rl;
+ itsRefs->Clear();
- return nv;
+ v0Tree.Fill();
+ nrefs->Clear(); prefs->Clear();
+
+ } //**** end of the loop over generated events
+
+ v0Tree.Write();
+ v0File->Close();
+
+ delete itsTree;
+ itsFile->Close();
+
+ delete rl;
+ return 0;
}
//********************************************************************
#if !defined( __CINT__) || defined(__MAKECINT__)
+ #include <TMath.h>
+ #include <TError.h>
#include <Riostream.h>
- #include "TKey.h"
- #include "TFile.h"
- #include "TH1F.h"
- #include "TH2F.h"
- #include "TCanvas.h"
- #include "TStopwatch.h"
- #include "TParticle.h"
- #include "TROOT.h"
-
- #include "AliRun.h"
- #include "AliStack.h"
- #include "AliRunLoader.h"
- #include "AliLoader.h"
-
- #include "AliESD.h"
+ #include <TH1F.h>
+ #include <TH2F.h>
+ #include <TParticle.h>
+ #include <TCanvas.h>
+ #include <TBenchmark.h>
+ #include <TKey.h>
+ #include <TROOT.h>
+
+ #include <AliStack.h>
+ #include <AliRunLoader.h>
+ #include <AliRun.h>
+ #include <AliESD.h>
#endif
extern AliRun *gAlice;
+extern TBenchmark *gBenchmark;
extern TROOT *gROOT;
+static Int_t allpisel=0;
+static Int_t allkasel=0;
+static Int_t allprsel=0;
+static Int_t allnsel=0;
+
Int_t AliESDComparison(const Char_t *dir=".") {
- Double_t pi=0.2,pa=2;
+ gBenchmark->Start("AliESDComparison");
+
+ ::Info("AliESDComparison.C","Doing comparison...");
+
+ Double_t pi=0.2,pa=3;
TH2F *tpcHist=(TH2F*)gROOT->FindObject("tpcHist");
if (!tpcHist)
sprintf(fname,"%s/galice.root",dir);
AliRunLoader *rl = AliRunLoader::Open(fname);
if (rl == 0x0) {
- cerr<<"Can not open session"<<endl;
+ ::Error("AliESDComparison.C","Can not open session !");
return 1;
}
if (rl->LoadgAlice()) {
- cerr<<"LoadgAlice returned error"<<endl;
+ ::Error("AliESDComparison.C","LoadgAlice returned error !");
delete rl;
return 1;
}
if (rl->LoadHeader()) {
- cerr<<"LoadHeader returned error"<<endl;
+ ::Error("AliESDComparison.C","LoadHeader returned error !");
delete rl;
return 1;
}
sprintf(fname,"%s/AliESDs.root",dir);
TFile *ef=TFile::Open(fname);
- if (!ef->IsOpen()) {cerr<<"Can't AliESDs.root !\n"; return 1;}
-
- TStopwatch timer;
- Int_t rc=0,n=0;
+ if (!ef || !ef->IsOpen()) {
+ ::Error("AliESDComparison.C","Can't AliESDs.root !");
+ delete rl;
+ return 1;
+ }
TKey *key=0;
TIter next(ef->GetListOfKeys());
Double_t c[5]={0.01, 0.01, 0.85, 0.10, 0.05};
//******* The loop over events
+ Int_t e=0;
while ((key=(TKey*)next())!=0) {
- rl->GetEvent(n);
- AliStack *stack = rl->Stack();
-
- cerr<<"Processing event number : "<<n++<<endl;
+ cout<<endl<<endl<<"********* Processing event number: "<<e<<"*******\n";
- ef->cd();
-
- AliESD *event=(AliESD*)key->ReadObj();
+ rl->GetEvent(e); ef->cd();
+
+ e++;
- Int_t ntrk=event->GetNumberOfTracks();
- cerr<<"Number of ESD tracks : "<<ntrk<<endl;
+ AliESD *event=(AliESD*)key->ReadObj();
- // ****** The loop over tracks
+ Int_t ntrk=event->GetNumberOfTracks();
+ cerr<<"Number of ESD tracks : "<<ntrk<<endl;
- Int_t pisel=0,kasel=0,prsel=0,nsel=0;
+ Int_t pisel=0,kasel=0,prsel=0,nsel=0;
- while (ntrk--) {
- AliESDtrack *t=event->GetTrack(ntrk);
+ AliStack *stack = rl->Stack();
- UInt_t status=AliESDtrack::kESDpid;
- status|=AliESDtrack::kITSpid;
- status|=AliESDtrack::kTPCpid;
- status|=AliESDtrack::kTOFpid;
+ while (ntrk--) {
+ AliESDtrack *t=event->GetTrack(ntrk);
- if ((t->GetStatus()&status) == status) {
- nsel++;
+ UInt_t status=AliESDtrack::kESDpid;
+ status|=AliESDtrack::kITSpid;
+ status|=AliESDtrack::kTPCpid;
+ status|=AliESDtrack::kTOFpid;
- Double_t p=t->GetP();
- Double_t dedx=t->GetTPCsignal();
- tpcHist->Fill(p,dedx,1);
+ if ((t->GetStatus()&status) == status) {
+ nsel++;
- Int_t lab=TMath::Abs(t->GetLabel());
- TParticle *part=stack->Particle(lab);
- Int_t code=part->GetPdgCode();
+ Double_t p=t->GetP();
+ Double_t dedx=t->GetTPCsignal();
+ tpcHist->Fill(p,dedx,1);
- Double_t r[10]; t->GetESDpid(r);
+ Int_t lab=TMath::Abs(t->GetLabel());
+ TParticle *part=stack->Particle(lab);
+ Int_t code=part->GetPdgCode();
- Double_t rcc=0.;
- Int_t i;
- for (i=0; i<AliESDtrack::kSPECIES; i++) rcc+=(c[i]*r[i]);
- if (rcc==0.) continue;
+ Double_t r[10]; t->GetESDpid(r);
- //Here we apply Bayes' formula
- Double_t w[10];
- for (i=0; i<AliESDtrack::kSPECIES; i++) w[i]=c[i]*r[i]/rcc;
+ Double_t rcc=0.;
+ Int_t i;
+ for (i=0; i<AliESDtrack::kSPECIES; i++) rcc+=(c[i]*r[i]);
+ if (rcc==0.) continue;
- if (TMath::Abs(code)==2212) prR->Fill(p);
- if (w[4]>w[3] && w[4]>w[2] && w[4]>w[1] && w[4]>w[0]) {//proton
- prsel++;
- prG->Fill(p);
- if (TMath::Abs(code)!=2212) prF->Fill(p);
- }
+ //Here we apply Bayes' formula
+ Double_t w[10];
+ for (i=0; i<AliESDtrack::kSPECIES; i++) w[i]=c[i]*r[i]/rcc;
- if (TMath::Abs(code)==321) kaR->Fill(p);
- if (w[3]>w[4] && w[3]>w[2] && w[3]>w[1] && w[3]>w[0]) {//kaon
- kasel++;
- kaG->Fill(p);
- if (TMath::Abs(code)!=321) kaF->Fill(p);
- }
+ if (TMath::Abs(code)==2212) prR->Fill(p);
+ if (w[4]>w[3] && w[4]>w[2] && w[4]>w[1] && w[4]>w[0]) {//proton
+ prsel++;
+ prG->Fill(p);
+ if (TMath::Abs(code)!=2212) prF->Fill(p);
+ }
- if (TMath::Abs(code)==211) piR->Fill(p);
- if (w[2]>w[3] && w[2]>w[4] && w[2]>w[1] && w[2]>w[0]) {//pion
- pisel++;
- piG->Fill(p);
- if (TMath::Abs(code)!=211) piF->Fill(p);
- }
+ if (TMath::Abs(code)==321) kaR->Fill(p);
+ if (w[3]>w[4] && w[3]>w[2] && w[3]>w[1] && w[3]>w[0]) {//kaon
+ kasel++;
+ kaG->Fill(p);
+ if (TMath::Abs(code)!=321) kaF->Fill(p);
+ }
- }
+ if (TMath::Abs(code)==211) piR->Fill(p);
+ if (w[2]>w[3] && w[2]>w[4] && w[2]>w[1] && w[2]>w[0]) {//pion
+ pisel++;
+ piG->Fill(p);
+ if (TMath::Abs(code)!=211) piF->Fill(p);
+ }
+ }
+ }
+ delete event;
+ cout<<"Number of selected ESD tracks : "<<nsel<<endl;
+ cout<<"Number of selected pion ESD tracks : "<<pisel<<endl;
+ cout<<"Number of selected kaon ESD tracks : "<<kasel<<endl;
+ cout<<"Number of selected proton ESD tracks : "<<prsel<<endl;
- }
- delete event;
- cerr<<"Number of selected ESD tracks : "<<nsel<<endl;
- cerr<<"Number of selected pion ESD tracks : "<<pisel<<endl;
- cerr<<"Number of selected kaon ESD tracks : "<<kasel<<endl;
- cerr<<"Number of selected proton ESD tracks : "<<prsel<<endl;
+ allnsel+=nsel; allpisel+=pisel; allkasel+=kasel; allprsel+=prsel;
- }
+ } // ***** End of the loop over events
- timer.Stop(); timer.Print();
+ ef->Close();
TCanvas *c1=(TCanvas*)gROOT->FindObject("c1");
- if (c1) delete c1;
- c1=new TCanvas("c1","",0,0,600,1200);
- c1->Divide(1,4);
+ if (!c1) {
+ c1=new TCanvas("c1","",0,0,600,1200);
+ c1->Divide(1,4);
+ }
c1->cd(1);
tpcHist->Draw();
prGood->Draw("hist");
prFake->Draw("same");
+ c1->Update();
+
+ cout<<endl;
+ cout<<endl;
+ e=(Int_t)piR->GetEntries();
+ Int_t o=(Int_t)piG->GetEntries();
+ if (e*o) cout<<"Efficiency (contamination) for pions : "<<
+ piGood->GetEntries()/e<<'('<<piF->GetEntries()/o<<')'<<endl;
+ e=(Int_t)kaR->GetEntries();
+ o=(Int_t)kaG->GetEntries();
+ if (e*o) cout<<"Efficiency (contamination) for kaons : "<<
+ kaGood->GetEntries()/e<<'('<<kaF->GetEntries()/o<<')'<<endl;
+ e=(Int_t)prR->GetEntries();
+ o=(Int_t)prG->GetEntries();
+ if (e*o) cout<<"Efficiency (contamination) for protons : "<<
+ prGood->GetEntries()/e<<'('<<prF->GetEntries()/o<<')'<<endl;
+ cout<<endl;
+
+ cout<<"Total number of selected ESD tracks : "<<allnsel<<endl;
+ cout<<"Total number of selected pion ESD tracks : "<<allpisel<<endl;
+ cout<<"Total number of selected kaon ESD tracks : "<<allkasel<<endl;
+ cout<<"Total number of selected proton ESD tracks : "<<allprsel<<endl;
+
ef->Close();
TFile fc("AliESDComparison.root","RECREATE");
c1->Write();
fc.Close();
- delete rl;
+ gBenchmark->Stop("AliESDComparison");
+ gBenchmark->Show("AliESDComparison");
- return rc;
+ delete rl;
+ return 0;
}
****************************************************************************/
#if !defined(__CINT__) || defined(__MAKECINT__)
+ #include <TMath.h>
+ #include <TError.h>
#include <Riostream.h>
- #include <fstream.h>
+ #include <TH1F.h>
+ #include <TTree.h>
+ #include <TParticle.h>
+ #include <TCanvas.h>
+ #include <TLine.h>
+ #include <TText.h>
+ #include <TBenchmark.h>
+ #include <TStyle.h>
+ #include <TKey.h>
+ #include <TROOT.h>
- #include "AliRun.h"
- #include "AliHeader.h"
#include "AliStack.h"
+ #include "AliHeader.h"
+ #include "AliTrackReference.h"
#include "AliRunLoader.h"
- #include "AliLoader.h"
-
+ #include "AliRun.h"
#include "AliESD.h"
+
#include "AliTOFdigit.h"
+ #include "AliLoader.h"
- #include "TKey.h"
- #include "TFile.h"
- #include "TTree.h"
- #include "TH1.h"
#include "TClonesArray.h"
- #include "TStyle.h"
- #include "TCanvas.h"
- #include "TLine.h"
- #include "TText.h"
- #include "TParticle.h"
#endif
-struct GoodTrackTOF {
- Int_t lab;
- Int_t code;
- Float_t px,py,pz;
- Float_t x,y,z;
-};
+Int_t GoodTracksTOF(const Char_t *dir=".");
extern AliRun *gAlice;
+extern TBenchmark *gBenchmark;
+extern TROOT *gROOT;
+
+static Int_t allgood=0;
+static Int_t allmatched=0;
+static Int_t allmismatched=0;
+
+Int_t AliTOFComparison(const Char_t *dir=".") {
+ gBenchmark->Start("AliTOFComparison");
+
+ ::Info("AliTOFComparison.C","Doing comparison...");
+
+
+ Double_t pmin=0.2;
+ Double_t pmax=3.0;
+
+ TH1F *hgood=(TH1F*)gROOT->FindObject("hgood");
+ if (!hgood) hgood=new TH1F("hgood","Good tracks",30,pmin,pmax);
+
+ TH1F *hfound=(TH1F*)gROOT->FindObject("hfound");
+ if (!hfound) hfound=new TH1F("hfound","Matched tracks",30,pmin,pmax);
+
+ TH1F *hfake=(TH1F*)gROOT->FindObject("hfake");
+ if (!hfake) hfake=new TH1F("hfake","Mismatched tracks",30,pmin,pmax);
+
+ TH1F *hgp=(TH1F*)gROOT->FindObject("hgp");
+ if (!hgp) hgp=new TH1F("hgp","",30,pmin,pmax);
+ hgp->SetLineColor(4); hgp->SetLineWidth(2);
+
+ TH1F *hfp=(TH1F*)gROOT->FindObject("hfp");
+ if (!hfp) hfp=new TH1F("hfp","Probability of mismatching",30,pmin,pmax);
+ hfp->SetFillColor(1); hfp->SetFillStyle(3013); hfp->SetLineWidth(2);
+
+ TH1F *hgoo=(TH1F*)gROOT->FindObject("hgoo");
+ if (!hgoo) hgoo=new TH1F("hgoo","Good tracks",30,-1,1);
+
+ TH1F *hfoun=(TH1F*)gROOT->FindObject("hfoun");
+ if (!hfoun) hfoun=new TH1F("hfoun","Matched tracks",30,-1,1);
+
+ TH1F *hfak=(TH1F*)gROOT->FindObject("hfak");
+ if (!hfak) hfak=new TH1F("hfak","Mismatched tracks",30,-1,1);
+
+ TH1F *hgl=(TH1F*)gROOT->FindObject("hgl");
+ if (!hgl) hgl=new TH1F("hgl","",30,-1,1);
+ hgl->SetLineColor(4); hgl->SetLineWidth(2);
+
+ TH1F *hfl=(TH1F*)gROOT->FindObject("hfl");
+ if (!hfl) hfl=new TH1F("hfl","Probability of mismatching",30,-1,1);
+ hfl->SetFillColor(1); hfl->SetFillStyle(3013); hfl->SetLineWidth(2);
+
-Int_t AliTOFComparison() {
- Int_t good_tracks_tof(GoodTrackTOF *gt, const Int_t max);
- cerr<<"Doing comparison...\n";
+ Char_t fname[100];
+ sprintf(fname,"%s/GoodTracksTOF.root",dir);
+
+ TFile *refFile=TFile::Open(fname,"old");
+ if (!refFile || !refFile->IsOpen()) {
+ ::Info("AliTOFComparison.C","Marking good tracks (will take a while)...");
+ if (GoodTracksTOF(dir)) {
+ ::Error("AliTOFComparison.C","Can't generate the reference file !");
+ return 1;
+ }
+ }
+ refFile=TFile::Open(fname,"old");
+ if (!refFile || !refFile->IsOpen()) {
+ ::Error("AliTOFComparison.C","Can't open the reference file !");
+ return 1;
+ }
+
+ TTree *tofTree=(TTree*)refFile->Get("tofTree");
+ if (!tofTree) {
+ ::Error("AliTOFComparison.C","Can't get the reference tree !");
+ return 2;
+ }
+ TBranch *branch=tofTree->GetBranch("TOF");
+ if (!branch) {
+ ::Error("AliTOFComparison.C","Can't get the TOF branch !");
+ return 3;
+ }
+ TClonesArray dummy("AliTrackReference",1000), *refs=&dummy;
+ branch->SetAddress(&refs);
+
if (gAlice) {
delete gAlice->GetRunLoader();
delete gAlice;//if everything was OK here it is already NULL
gAlice = 0x0;
}
-
- TClonesArray dummy("AliTOFdigit",10000), *digits=&dummy;
-
- {
- AliRunLoader *rl = AliRunLoader::Open("galice.root");
+ sprintf(fname,"%s/galice.root",dir);
+ AliRunLoader *rl = AliRunLoader::Open(fname,"COMPARISON");
if (rl == 0x0) {
cerr<<"Can not open session"<<endl;
return 1;
}
tofl->LoadDigits("read");
- rl->GetEvent(0);
- TTree *tofTree=tofl->TreeD();
- if (!tofTree) {
- cerr<<"Can't get the TOF cluster tree !\n";
- return 3;
- }
- TBranch *branch=tofTree->GetBranch("TOF");
- if (!branch) {
- cerr<<"Can't get the branch with the TOF digits !\n";
+ sprintf(fname,"%s/AliESDs.root",dir);
+ TFile *ef=TFile::Open(fname);
+ if ((!ef)||(!ef->IsOpen())) {
+ ::Error("AliTOFComparison.C","Can't open AliESDs.root !");
+ delete rl;
return 4;
}
- branch->SetAddress(&digits);
-
- tofTree->GetEvent(0);
-
- delete rl;
- }
-
- Int_t nd=digits->GetEntriesFast();
- cerr<<"Number of digits: "<<nd<<endl;
-
- const Int_t MAX=15000;
- GoodTrackTOF gt[MAX];
- Int_t ngood=0;
- ifstream in("good_tracks_tof");
- if (in) {
- cerr<<"Reading good 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) {
- ngood++;
- cerr<<ngood<<'\r';
- if (ngood==MAX) {
- cerr<<"Too many good tracks !\n";
- break;
- }
- }
- if (!in.eof()) cerr<<"Read error (good_tracks_its) !\n";
- } else {
- cerr<<"Marking good tracks (this will take a while)...\n";
- ngood=good_tracks_tof(gt,MAX);
- ofstream out("good_tracks_tof");
- if (out) {
- for (Int_t ngd=0; ngd<ngood; ngd++)
- 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_tof) !\n";
- out.close();
- }
+ TKey *key=0;
+ TIter next(ef->GetListOfKeys());
- Double_t pmin=0.2;
- Double_t pmax=4.0;
- TH1F *hgood=new TH1F("hgood","Good tracks",30,pmin,pmax);
- TH1F *hfound=new TH1F("hfound","Matched tracks",30,pmin,pmax);
- TH1F *hfake=new TH1F("hfake","Mismatched tracks",30,pmin,pmax);
- TH1F *hgp=new TH1F("hgp","",30,pmin,pmax); //efficiency for good tracks
- hgp->SetLineColor(4); hgp->SetLineWidth(2);
- TH1F *hfp=new TH1F("hfp","Probability of mismatching",30,pmin,pmax);
- hfp->SetFillColor(1); hfp->SetFillStyle(3013); hfp->SetLineWidth(2);
- TH1F *hgoo=new TH1F("hgoo","Good tracks",30,-1,1);
- TH1F *hfoun=new TH1F("hfoun","Matched tracks",30,-1,1);
- TH1F *hfak=new TH1F("hfak","Mismatched tracks",30,-1,1);
- TH1F *hgl=new TH1F("hgl","",30,-1,1); //efficiency for good tracks
- hgl->SetLineColor(4); hgl->SetLineWidth(2);
- TH1F *hfl=new TH1F("hfl","Probability of mismatching",30,-1,1);
- hfl->SetFillColor(1); hfl->SetFillStyle(3013); hfl->SetLineWidth(2);
+ //******* Loop over events *********
+ Int_t e=0;
+ while ((key=(TKey*)next())!=0) {
+ cout<<endl<<endl<<"********* Processing event number: "<<e<<"*******\n";
+
+ rl->GetEvent(e); ef->cd();
+
+ TTree *digTree=tofl->TreeD();
+ if (!digTree) {
+ cerr<<"Can't get the TOF cluster tree !\n";
+ return 3;
+ }
+ TBranch *branch=digTree->GetBranch("TOF");
+ if (!branch) {
+ cerr<<"Can't get the branch with the TOF digits !\n";
+ return 4;
+ }
+ TClonesArray dummy("AliTOFdigit",10000), *digits=&dummy;
+ branch->SetAddress(&digits);
- TCanvas *c1=new TCanvas("c1","",0,0,600,900);
- c1->Divide(1,2);
+ digTree->GetEvent(0);
+ Int_t nd=digits->GetEntriesFast();
+ cerr<<"Number of the TOF digits: "<<nd<<endl;
- TFile *ef=TFile::Open("AliESDs.root");
- if (!ef->IsOpen()) {cerr<<"Can't AliESDs.root !\n"; return 1;}
- TIter next(ef->GetListOfKeys());
- TKey *key=0;
- Int_t nev=0;
- while ((key=(TKey*)next())!=0) {
- cerr<<"Processing event number : "<<nev++<<endl;
AliESD *event=(AliESD*)key->ReadObj();
Int_t ntrk=event->GetNumberOfTracks();
cerr<<"Number of ESD tracks : "<<ntrk<<endl;
+
+ if (tofTree->GetEvent(e++)==0) {
+ cerr<<"No reconstructable tracks !\n";
+ continue;
+ }
+
+ Int_t ngood=refs->GetEntriesFast();
+
Int_t matched=0;
Int_t mismatched=0;
for (Int_t i=0; i<ngood; i++) {
- Int_t lab=gt[i].lab;
- Double_t pxg=gt[i].px, pyg=gt[i].py, pzg=gt[i].pz;
- Double_t ptg=TMath::Sqrt(pxg*pxg+pyg*pyg);
-
- if (ptg<0.1) continue;
+ AliTrackReference *ref=(AliTrackReference*)refs->UncheckedAt(i);
+ Int_t lab=ref->Label();
+ Float_t ptg=TMath::Sqrt(ref->Px()*ref->Px() + ref->Py()*ref->Py());
- Double_t tgl=pzg/ptg; //tan(lambda)
+ Double_t tgl=ref->Pz()/ptg; //tan(lambda)
if (ptg>pmin) { hgood->Fill(ptg); hgoo->Fill(tgl); }
cerr<<endl;
}
}
+ cout<<"Number of good tracks: "<<ngood<<endl;
+ cout<<"Number of matched tracks: "<<matched<<endl;
+ cout<<"Number of mismatched tracks: "<<mismatched<<endl;
- cerr<<"Number of good tracks: "<<ngood<<endl;
- cerr<<"Number of matched tracks: "<<matched<<endl;
- cerr<<"Number of mismatched tracks: "<<mismatched<<endl;
- if (ngood!=0) cerr<<"Efficiency: "<<Float_t(matched)/ngood<<endl;
-
- hfound->Sumw2(); hgood->Sumw2(); hfake->Sumw2();
- hgp->Divide(hfound,hgood,1,1.,"b");
- hfp->Divide(hfake,hgood,1,1.,"b");
- hgp->SetMaximum(1.4);
- hgp->SetYTitle("Matching efficiency");
- hgp->SetXTitle("Pt (GeV/c)");
-
- hfoun->Sumw2(); hgoo->Sumw2(); hfak->Sumw2();
- hgl->Divide(hfoun,hgoo,1,1.,"b");
- hfl->Divide(hfak,hgoo,1,1.,"b");
- hgl->SetMaximum(1.4);
- hgl->SetYTitle("Matching efficiency");
- hgl->SetXTitle("Tan(lambda)");
-
- c1->cd(1);
-
- hgp->Draw();
- hfp->Draw("histsame");
- TLine *line1 = new TLine(pmin,1.0,pmax,1.0); line1->SetLineStyle(4);
- line1->Draw("same");
- TLine *line2 = new TLine(pmin,0.9,pmax,0.9); line2->SetLineStyle(4);
- line2->Draw("same");
-
- c1->cd(2);
-
- hgl->Draw();
- hfl->Draw("histsame");
- TLine *line3 = new TLine(-1,1.0,1,1.0); line3->SetLineStyle(4);
- line3->Draw("same");
- TLine *line4 = new TLine(-1,0.9,1,0.9); line4->SetLineStyle(4);
- line4->Draw("same");
-
- break;
- }
+ allgood+=ngood; allmatched+=matched; allmismatched+=mismatched;
+
+ refs->Clear();
+ delete event;
+ } //***** End of the loop over events
+ ef->Close();
+
+ delete tofTree;
+ refFile->Close();
+
+ if (allgood!=0) cerr<<"\n\nEfficiency: "<<Float_t(allmatched)/allgood<<endl;
+ cout<<"Total number of good tracks: "<<allgood<<endl;
+ cout<<"Total number of matched tracks: "<<allmatched<<endl;
+ cout<<"Total number of mismatched tracks: "<<allmismatched<<endl;
+
+ TCanvas *c1=(TCanvas*)gROOT->FindObject("c1");
+ if (!c1) {
+ c1=new TCanvas("c1","",0,0,600,900);
+ c1->Divide(1,2);
+ }
+ hfound->Sumw2(); hgood->Sumw2(); hfake->Sumw2();
+ hgp->Divide(hfound,hgood,1,1.,"b");
+ hfp->Divide(hfake,hgood,1,1.,"b");
+ hgp->SetMaximum(1.4);
+ hgp->SetYTitle("Matching efficiency");
+ hgp->SetXTitle("Pt (GeV/c)");
+
+ hfoun->Sumw2(); hgoo->Sumw2(); hfak->Sumw2();
+ hgl->Divide(hfoun,hgoo,1,1.,"b");
+ hfl->Divide(hfak,hgoo,1,1.,"b");
+ hgl->SetMaximum(1.4);
+ hgl->SetYTitle("Matching efficiency");
+ hgl->SetXTitle("Tan(lambda)");
+
+ c1->cd(1);
+
+ hgp->Draw();
+ hfp->Draw("histsame");
+ TLine *line1 = new TLine(pmin,1.0,pmax,1.0); line1->SetLineStyle(4);
+ line1->Draw("same");
+ TLine *line2 = new TLine(pmin,0.9,pmax,0.9); line2->SetLineStyle(4);
+ line2->Draw("same");
+
+ c1->cd(2);
+
+ hgl->Draw();
+ hfl->Draw("histsame");
+ TLine *line3 = new TLine(-1,1.0,1,1.0); line3->SetLineStyle(4);
+ line3->Draw("same");
+ TLine *line4 = new TLine(-1,0.9,1,0.9); line4->SetLineStyle(4);
+ line4->Draw("same");
+
+ c1->Update();
+
TFile fc("AliTOFComparison.root","RECREATE");
c1->Write();
fc.Close();
+ gBenchmark->Stop("AliTOFComparison");
+ gBenchmark->Show("AliTOFComparison");
+
+ delete rl;
return 0;
}
-Int_t good_tracks_tof(GoodTrackTOF *gt, const Int_t max) {
- ifstream in("good_tracks_its");
- if (!in) {
- cerr<<"Can't get good_tracks_its !\n"; exit(11);
- }
-
- AliRunLoader *rl = AliRunLoader::Open("galice.root","COMPARISON");
- if (!rl) {
- cerr<<"Can't start session !\n";
- exit(1);
+Int_t GoodTracksTOF(const Char_t *dir) {
+ if (gAlice) {
+ delete gAlice->GetRunLoader();
+ delete gAlice;//if everything was OK here it is already NULL
+ gAlice = 0x0;
}
- rl->GetEvent(0);
+ Char_t fname[100];
+ sprintf(fname,"%s/galice.root",dir);
+ AliRunLoader *rl = AliRunLoader::Open(fname,"COMPARISON");
+ if (!rl) {
+ ::Error("GoodTracksTOF","Can't start session !");
+ return 1;
+ }
rl->LoadgAlice();
rl->LoadHeader();
- Int_t np = rl->GetHeader()->GetNtrack();
+ rl->LoadKinematics();
- Int_t *good=new Int_t[np];
- Int_t k;
- for (k=0; k<np; k++) good[k]=0;
AliLoader* tofl = rl->GetLoader("TOFLoader");
if (tofl == 0x0) {
- cerr<<"Can not get the TOF loader"<<endl;
- exit(2);
+ ::Error("GoodTracksTOF","Can not get the TOF loader !");
+ delete rl;
+ return 2;
}
tofl->LoadDigits("read");
- TTree *dTree=tofl->TreeD();
- if (!dTree) {
- cerr<<"Can't get the TOF cluster tree !\n";
- exit(3);
- }
+ Int_t nev=rl->GetNumberOfEvents();
+ ::Info("GoodTracksTOF","Number of events : %d\n",nev);
- TBranch *branch=dTree->GetBranch("TOF");
- if (!branch) {
- cerr<<"Can't get the branch with the TOF digits !\n";
- exit(4);
+ sprintf(fname,"%s/GoodTracksITS.root",dir);
+ TFile *itsFile=TFile::Open(fname);
+ if ((!itsFile)||(!itsFile->IsOpen())) {
+ ::Error("GoodTracksTOF","Can't open the GoodTracksITS.root !");
+ delete rl;
+ return 5;
}
- TClonesArray dummy("AliTOFdigit",10000), *digits=&dummy;
- branch->SetAddress(&digits);
-
- dTree->GetEvent(0);
- Int_t nd=digits->GetEntriesFast();
- cerr<<"Number of digits: "<<nd<<endl;
-
- for (Int_t i=0; i<nd; i++) {
- AliTOFdigit *d=(AliTOFdigit*)digits->UncheckedAt(i);
- Int_t l0=d->GetTrack(0);
- if (l0>=np) {cerr<<"Wrong label: "<<l0<<endl; continue;}
- Int_t l1=d->GetTrack(1);
- if (l1>=np) {cerr<<"Wrong label: "<<l1<<endl; continue;}
- Int_t l2=d->GetTrack(2);
- if (l2>=np) {cerr<<"Wrong label: "<<l2<<endl; continue;}
- if (l0>=0) good[l0]++;
- if (l1>=0) good[l1]++;
- if (l2>=0) good[l2]++;
- }
+ TClonesArray dum("AliTrackReference",1000), *itsRefs=&dum;
+ TTree *itsTree=(TTree*)itsFile->Get("itsTree");
+ if (!itsTree) {
+ ::Error("GoodTracksTOF","Can't get the ITS reference tree !");
+ delete rl;
+ return 6;
+ }
+ TBranch *itsBranch=itsTree->GetBranch("ITS");
+ if (!itsBranch) {
+ ::Error("GoodTracksTOF","Can't get the ITS reference branch !");
+ delete rl;
+ return 7;
+ }
+ itsBranch->SetAddress(&itsRefs);
+
+
+ sprintf(fname,"%s/GoodTracksTOF.root",dir);
+ TFile *tofFile=TFile::Open(fname,"recreate");
+ TClonesArray dummy("AliTrackReference",1000), *tofRefs=&dummy;
+ TTree tofTree("tofTree","Tree with info about the reconstructable TOF tracks");
+ tofTree.Branch("TOF",&tofRefs);
+
+
+ //******** Loop over generated events
+ for (Int_t e=0; e<nev; e++) {
+ rl->GetEvent(e); tofFile->cd();
+
+ Int_t np = rl->GetHeader()->GetNtrack();
+ cout<<"Event "<<e<<" Number of particles: "<<np<<endl;
+
+ //******** Fill the "good" masks
+ Int_t *good=new Int_t[np]; Int_t k; for (k=0; k<np; k++) good[k]=0;
+
+ TTree *dTree=tofl->TreeD();
+ if (!dTree) {
+ ::Error("GoodTracksTOF","Can't get the TOF cluster tree !");
+ delete rl;
+ return 8;
+ }
+ TBranch *branch=dTree->GetBranch("TOF");
+ if (!branch) {
+ ::Error("GoodTracksTOF","Can't get the branch with the TOF digits !");
+ return 9;
+ }
+ TClonesArray dummy("AliTOFdigit",10000), *digits=&dummy;
+ branch->SetAddress(&digits);
- rl->LoadKinematics();
- AliStack* stack = rl->Stack();
- Int_t nt=0;
- Double_t px,py,pz,x,y,z;
- Int_t code,lab;
- while (in>>lab>>code>>px>>py>>pz>>x>>y>>z) {
- if (good[lab] == 0) continue;
- TParticle *p = (TParticle*)stack->Particle(lab);
- if (p == 0x0) {
- cerr<<"Can not get particle "<<lab<<endl;
- exit(1);
- }
- if (TMath::Abs(p->Vx())>0.1) continue;
- if (TMath::Abs(p->Vy())>0.1) continue;
- // if (TMath::Abs(p->Vz())>0.1) continue;
-
- gt[nt].lab=lab;
- gt[nt].code=p->GetPdgCode();
-//**** px py pz - in global coordinate system
- gt[nt].px=p->Px(); gt[nt].py=p->Py(); gt[nt].pz=p->Pz();
- gt[nt].x=p->Vx(); gt[nt].y=p->Vy(); gt[nt].z=p->Vz();
- nt++;
- if (nt==max) {cerr<<"Too many good tracks !\n"; break;}
- }
-
- delete[] good;
-
- rl->UnloadKinematics();
- rl->UnloadHeader();
- rl->UnloadgAlice();
- delete rl;
-
- return nt;
+ dTree->GetEvent(0);
+ Int_t nd=digits->GetEntriesFast();
+
+ for (Int_t i=0; i<nd; i++) {
+ AliTOFdigit *d=(AliTOFdigit*)digits->UncheckedAt(i);
+ Int_t l0=d->GetTrack(0);
+ if (l0>=np) {cerr<<"Wrong label: "<<l0<<endl; continue;}
+ Int_t l1=d->GetTrack(1);
+ if (l1>=np) {cerr<<"Wrong label: "<<l1<<endl; continue;}
+ Int_t l2=d->GetTrack(2);
+ if (l2>=np) {cerr<<"Wrong label: "<<l2<<endl; continue;}
+ if (l0>=0) good[l0]++;
+ if (l1>=0) good[l1]++;
+ if (l2>=0) good[l2]++;
+ }
+ digits->Clear();
+
+
+ //****** select tracks which are "good" enough
+ AliStack* stack = rl->Stack();
+
+ itsTree->GetEvent(e);
+ Int_t nk=itsRefs->GetEntriesFast();
+
+ Int_t nt=0;
+ for (k=0; k<nk; k++) {
+ AliTrackReference *itsRef=(AliTrackReference *)itsRefs->UncheckedAt(k);
+ Int_t lab=itsRef->Label();
+ if (good[lab] == 0) continue;
+ TParticle *p = (TParticle*)stack->Particle(lab);
+ if (p == 0x0) {
+ cerr<<"Can not get particle "<<lab<<endl;
+ continue;
+ }
+
+ if (TMath::Abs(p->Vx())>0.1) continue;
+ if (TMath::Abs(p->Vy())>0.1) continue;
+ //if (TMath::Abs(p->Vz())>0.1) continue;
+
+ new((*tofRefs)[nt]) AliTrackReference(*itsRef);
+ nt++;
+ }
+ itsRefs->Clear();
+
+ tofTree.Fill();
+ tofRefs->Clear();
+
+ delete[] good;
+
+ } //*** end of the loop over generated events
+
+ tofTree.Write();
+ tofFile->Close();
+
+ delete itsTree;
+ itsFile->Close();
+
+ delete rl;
+ return 0;
}
#include <TH2F.h>
#include <TTree.h>
#include <TParticle.h>
- #include <TPad.h>
#include <TCanvas.h>
#include <TLine.h>
#include <TText.h>
#include "AliHeader.h"
#include "AliTrackReference.h"
#include "AliRunLoader.h"
- #include "AliMagF.h"
#include "AliRun.h"
#include "AliESD.h"
#include "AliTPCLoader.h"
#endif
-struct GoodTrackTPC {
- Int_t lab;
- Int_t code;
- Float_t px,py,pz;
- Float_t x,y,z;
-};
-
-Int_t good_tracks_tpc(GoodTrackTPC *gt, const Int_t max,
-const char* evfoldname=AliConfig::fgkDefaultEventFolderName);
+Int_t GoodTracksTPC(const Char_t *dir=".");
extern AliRun *gAlice;
extern TBenchmark *gBenchmark;
extern TROOT *gROOT;
-Int_t AliTPCComparison(Float_t ptcutl=0.2, Float_t ptcuth=10., const Char_t *dir=".") {
+static Int_t allgood=0;
+static Int_t allselected=0;
+static Int_t allfound=0;
+
+Int_t AliTPCComparison
+(Float_t ptcutl=0.2, Float_t ptcuth=10., const Char_t *dir=".") {
gBenchmark->Start("AliTPCComparison");
::Info("AliTPCComparison.C","Doing comparison...");
- if (gAlice) {
- delete gAlice->GetRunLoader();
- delete gAlice;//if everything was OK here it is already NULL
- gAlice = 0x0;
- }
- Char_t fname[100];
- sprintf(fname,"%s/galice.root",dir);
-
- AliRunLoader *rl = AliRunLoader::Open(fname,"COMPARISON");
- if (!rl) {
- ::Fatal("AliTPCComparison.C","Can't start session !");
- }
-
- /* Generate a list of "good" tracks */
- const Int_t MAX=20000;
- GoodTrackTPC gt[MAX];
- Int_t ngood=0;
- sprintf(fname,"%s/good_tracks_tpc",dir);
- ifstream in(fname);
- if (in) {
- ::Info("AliTPCComparison.C","Reading good tracks...");
- 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 (ngood==MAX) {
- ::Warning("AliTPCComparison.C","Too many good tracks !");
- break;
- }
- }
- if (!in.eof())
- ::Fatal("AliTPCComparison.C","Read error (good_tracks_tpc) !");
- } else {
- ::Info
- ("AliTPCComparison","Marking good tracks (this will take a while)...");
- ngood=good_tracks_tpc(gt,MAX,"COMPARISON");
- ofstream out(fname);
- if (out) {
- for (Int_t ngd=0; ngd<ngood; ngd++)
- 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
- ::Fatal("AliTPCComparison.C","Can not open file (good_tracks_tpc) !");
- out.close();
- }
-
- AliESD *event=0;
- { /*Load tracks*/
- sprintf(fname,"%s/AliESDs.root",dir);
- TFile *ef=TFile::Open(fname);
- if ((!ef)||(!ef->IsOpen())) {
- sprintf(fname,"%s/AliESDtpc.root",dir);
- ef=TFile::Open(fname);
- if ((!ef)||(!ef->IsOpen()))
- ::Fatal("AliTPCComparison.C","Can't open AliESDtpc.root !");
- }
- TKey *key=0;
- TIter next(ef->GetListOfKeys());
- if ((key=(TKey*)next())!=0) event=(AliESD*)key->ReadObj();
- ef->Close();
- }
- Int_t nentr=event->GetNumberOfTracks();
TH1F *hp=(TH1F*)gROOT->FindObject("hp");
if (!hp) hp=new TH1F("hp","PHI resolution",50,-20.,20.);
hep->SetMarkerStyle(8);
hep->SetMarkerSize(0.4);
- //MI change
- Int_t mingood=ngood;
- Int_t track_notfound[MAX], itrack_notfound=0;
- Int_t track_fake[MAX], itrack_fake=0;
- Int_t track_multifound[MAX], track_multifound_n[MAX], itrack_multifound=0;
-
- Int_t i;
- while (ngood--) {
- Int_t lab=gt[ngood].lab,tlab=-1;
- Float_t ptg=
- TMath::Sqrt(gt[ngood].px*gt[ngood].px + gt[ngood].py*gt[ngood].py);
-
- if (ptg<1e-33) continue; // for those not crossing 0 pad row
- if (ptg<ptcutl) continue;
- if (ptg>ptcuth) continue;
- hgood->Fill(ptg);
-
- AliESDtrack *track=0;
- for (i=0; i<nentr; i++) {
+
+ Char_t fname[100];
+ sprintf(fname,"%s/GoodTracksTPC.root",dir);
+
+ TFile *refFile=TFile::Open(fname,"old");
+ if (!refFile || !refFile->IsOpen()) {
+ ::Info("AliTPCComparison.C","Marking good tracks (will take a while)...");
+ if (GoodTracksTPC(dir)) {
+ ::Error("AliTPCComparison.C","Can't generate the reference file !");
+ return 1;
+ }
+ }
+ refFile=TFile::Open(fname,"old");
+ if (!refFile || !refFile->IsOpen()) {
+ ::Error("AliTPCComparison.C","Can't open the reference file !");
+ return 2;
+ }
+
+ TTree *tpcTree=(TTree*)refFile->Get("tpcTree");
+ if (!tpcTree) {
+ ::Error("AliTPCComparison.C","Can't get the reference tree !");
+ return 3;
+ }
+ TBranch *branch=tpcTree->GetBranch("TPC");
+ if (!branch) {
+ ::Error("AliTPCComparison.C","Can't get the TPC branch !");
+ return 4;
+ }
+ TClonesArray dummy("AliTrackReference",1000), *refs=&dummy;
+ branch->SetAddress(&refs);
+
+
+ sprintf(fname,"%s/AliESDs.root",dir);
+ TFile *ef=TFile::Open(fname);
+ if ((!ef)||(!ef->IsOpen())) {
+ sprintf(fname,"%s/AliESDtpc.root",dir);
+ ef=TFile::Open(fname);
+ if ((!ef)||(!ef->IsOpen())) {
+ ::Error("AliTPCComparison.C","Can't open AliESDtpc.root !");
+ return 5;
+ }
+ }
+ TKey *key=0;
+ TIter next(ef->GetListOfKeys());
+
+
+ //******* Loop over events *********
+ Int_t e=0;
+ while ((key=(TKey*)next())!=0) {
+ cout<<endl<<endl<<"********* Processing event number: "<<e<<"*******\n";
+
+ AliESD *event=(AliESD*)key->ReadObj();
+
+ Int_t nentr=event->GetNumberOfTracks();
+ allfound+=nentr;
+
+ if (tpcTree->GetEvent(e++)==0) {
+ cerr<<"No reconstructable tracks !\n";
+ continue;
+ }
+
+ Int_t ngood=refs->GetEntriesFast();
+ allgood+=ngood;
+
+ const Int_t MAX=15000;
+ //MI change
+ Int_t track_notfound[MAX], itrack_notfound=0;
+ Int_t track_fake[MAX], itrack_fake=0;
+ Int_t track_multifound[MAX],track_multifound_n[MAX],itrack_multifound=0;
+
+ Int_t i;
+ for (Int_t k=0; k<ngood; k++) {
+ AliTrackReference *ref=(AliTrackReference*)refs->UncheckedAt(k);
+ Int_t lab=ref->Label(), tlab=-1;
+ Float_t ptg=TMath::Sqrt(ref->Px()*ref->Px() + ref->Py()*ref->Py());
+
+ if (ptg<1e-33) continue; // for those not crossing 0 pad row
+
+ if (ptg<ptcutl) continue;
+ if (ptg>ptcuth) continue;
+
+ allselected++;
+
+ hgood->Fill(ptg);
+
+ AliESDtrack *track=0;
+ for (i=0; i<nentr; i++) {
track=event->GetTrack(i);
tlab=track->GetTPCLabel();
if (lab==TMath::Abs(tlab)) break;
- }
- if (i==nentr) {
- track_notfound[itrack_notfound++]=lab;
- continue;
- }
+ }
+ if (i==nentr) {
+ track_notfound[itrack_notfound++]=lab;
+ continue;
+ }
+
+ //MI change - addition
+ Int_t micount=0;
+ Int_t mi;
+ AliESDtrack * mitrack;
+ for (mi=0; mi<nentr; mi++) {
+ mitrack=event->GetTrack(mi);
+ if (lab==TMath::Abs(mitrack->GetTPCLabel())) micount++;
+ }
+ if (micount>1) {
+ track_multifound[itrack_multifound]=lab;
+ track_multifound_n[itrack_multifound]=micount;
+ itrack_multifound++;
+ }
+ if ((track->GetStatus()&AliESDtrack::kTPCrefit)==0) continue;
+ if (lab==tlab) hfound->Fill(ptg);
+ else {
+ track_fake[itrack_fake++]=lab;
+ hfake->Fill(ptg);
+ }
- //MI change - addition
- Int_t micount=0;
- Int_t mi;
- AliESDtrack * mitrack;
- for (mi=0; mi<nentr; mi++) {
- mitrack=event->GetTrack(mi);
- if (lab==TMath::Abs(mitrack->GetTPCLabel())) micount++;
+ Double_t pxpypz[3]; track->GetInnerPxPyPz(pxpypz);
+ Float_t phi=TMath::ATan2(pxpypz[1],pxpypz[0]);
+ if (phi<-TMath::Pi()) phi+=2*TMath::Pi();
+ if (phi>=TMath::Pi()) phi-=2*TMath::Pi();
+ Double_t pt=TMath::Sqrt(pxpypz[0]*pxpypz[0]+pxpypz[1]*pxpypz[1]);
+ Float_t lam=TMath::ATan2(pxpypz[2],pt);
+ Float_t pt_1=1/pt;
+
+ Int_t pdg=(Int_t)ref->GetLength(); //this is particle's PDG !
+
+ if (TMath::Abs(pdg)==11 && ptg>4.) {//high momentum electrons
+ hmpt->Fill((pt_1 - 1/ptg)/(1/ptg)*100.);
+ } else {
+ Float_t phig=TMath::ATan2(ref->Py(),ref->Px());
+ hp->Fill((phi - phig)*1000.);
+
+ Float_t lamg=TMath::ATan2(ref->Pz(),ptg);
+ hl->Fill((lam - lamg)*1000.);
+
+ hpt->Fill((pt_1 - 1/ptg)/(1/ptg)*100.);
+ }
+
+ Float_t mom=pt/TMath::Cos(lam);
+ Float_t dedx=track->GetTPCsignal();
+ hep->Fill(mom,dedx,1.);
+ if (TMath::Abs(pdg)==211) //pions
+ if (mom>0.4 && mom<0.5) {
+ he->Fill(dedx,1.);
+ }
}
- if (micount>1) {
- track_multifound[itrack_multifound]=lab;
- track_multifound_n[itrack_multifound]=micount;
- itrack_multifound++;
+
+ cout<<"\nList of Not found tracks :\n";
+ for ( i = 0; i< itrack_notfound; i++){
+ cout<<track_notfound[i]<<"\t";
+ if ((i%5)==4) cout<<"\n";
}
- if ((track->GetStatus()&AliESDtrack::kTPCrefit)==0) continue;
- if (lab==tlab) hfound->Fill(ptg);
- else {
- track_fake[itrack_fake++]=lab;
- hfake->Fill(ptg);
+ cout<<"\nList of fake tracks :\n";
+ for ( i = 0; i< itrack_fake; i++){
+ cout<<track_fake[i]<<"\t";
+ if ((i%5)==4) cout<<"\n";
}
-
- Double_t pxpypz[3]; track->GetInnerPxPyPz(pxpypz);
- Float_t phi=TMath::ATan2(pxpypz[1],pxpypz[0]);
- if (phi<-TMath::Pi()) phi+=2*TMath::Pi();
- if (phi>=TMath::Pi()) phi-=2*TMath::Pi();
- Double_t pt=TMath::Sqrt(pxpypz[0]*pxpypz[0]+pxpypz[1]*pxpypz[1]);
- Float_t lam=TMath::ATan2(pxpypz[2],pt);
- Float_t pt_1=1/pt;
-
- if (TMath::Abs(gt[ngood].code)==11 && ptg>4.) {
- hmpt->Fill((pt_1 - 1/ptg)/(1/ptg)*100.);
- } else {
- Float_t phig=TMath::ATan2(gt[ngood].py,gt[ngood].px);
- hp->Fill((phi - phig)*1000.);
-
- Float_t lamg=TMath::ATan2(gt[ngood].pz,ptg);
- hl->Fill((lam - lamg)*1000.);
-
- hpt->Fill((pt_1 - 1/ptg)/(1/ptg)*100.);
+ cout<<"\nList of multiple found tracks :\n";
+ for ( i=0; i<itrack_multifound; i++) {
+ cout<<"id. "<<track_multifound[i]
+ <<" found - "<<track_multifound_n[i]<<"times\n";
}
- Float_t mom=pt/TMath::Cos(lam);
- Float_t dedx=track->GetTPCsignal();
- hep->Fill(mom,dedx,1.);
- if (TMath::Abs(gt[ngood].code)==211)
- if (mom>0.4 && mom<0.5) {
- he->Fill(dedx,1.);
- }
+ cout<<"Number of found tracks ="<<nentr<<endl;
+ cout<<"Number of \"good\" tracks ="<<ngood<<endl;
- }
+ refs->Clear();
+ delete event;
+ }// ***** End of the loop over events
- cout<<"\nList of Not found tracks :\n";
- for ( i = 0; i< itrack_notfound; i++){
- cout<<track_notfound[i]<<"\t";
- if ((i%5)==4) cout<<"\n";
- }
- cout<<"\nList of fake tracks :\n";
- for ( i = 0; i< itrack_fake; i++){
- cout<<track_fake[i]<<"\t";
- if ((i%5)==4) cout<<"\n";
- }
- cout<<"\nList of multiple found tracks :\n";
- for ( i=0; i<itrack_multifound; i++) {
- cout<<"id. "<<track_multifound[i]
- <<" found - "<<track_multifound_n[i]<<"times\n";
- }
+ ef->Close();
- Stat_t ng=hgood->GetEntries(), nf=hfound->GetEntries();
- if (ng!=0) cerr<<"\n\nIntegral efficiency is about "<<nf/ng*100.<<" %\n";
- cout<<"Total number of found tracks ="<<nentr<<endl;
- cout<<"Total number of \"good\" tracks ="
- <<mingood<<" (selected for comparison: "<<ng<<')'<<endl<<endl;
+ delete tpcTree;
+ refFile->Close();
+ Stat_t ng=hgood->GetEntries(), nf=hfound->GetEntries();
+ if (ng!=0) cout<<"\n\nIntegral efficiency is about "<<nf/ng*100.<<" %\n";
+ cout<<"Total number selected of \"good\" tracks ="<<allselected<<endl<<endl;
+ cout<<"Total number of found tracks ="<<allfound<<endl;
+ cout<<"Total number of \"good\" tracks ="<<allgood<<endl;
+ cout<<endl;
gStyle->SetOptStat(111110);
gStyle->SetOptFit(1);
hep->SetXTitle("p (Gev/c)"); hep->SetYTitle("dE/dX (Arb. Units)");
hep->Draw(); c1->cd();
- gBenchmark->Stop("AliTPCComparison");
- gBenchmark->Show("AliTPCComparison");
-
TFile fc("AliTPCComparison.root","RECREATE");
c1->Write();
c2->Write();
fc.Close();
- delete rl;
+ gBenchmark->Stop("AliTPCComparison");
+ gBenchmark->Show("AliTPCComparison");
+
return 0;
}
-Int_t
-good_tracks_tpc(GoodTrackTPC *gt, const Int_t max, const char* evfoldname) {
- Int_t nt=0;
+Int_t GoodTracksTPC(const Char_t *dir) {
+ if (gAlice) {
+ delete gAlice->GetRunLoader();
+ delete gAlice;//if everything was OK here it is already NULL
+ gAlice = 0x0;
+ }
+
+ Char_t fname[100];
+ sprintf(fname,"%s/galice.root",dir);
- AliRunLoader *rl = AliRunLoader::GetRunLoader(evfoldname);
- if (rl == 0x0) {
- ::Fatal("AliTPCComparison.C::good_tracks_tpc",
- "Can not find Run Loader in Folder Named %s",
- evfoldname);
+ AliRunLoader *rl = AliRunLoader::Open(fname,"COMPARISON");
+ if (!rl) {
+ ::Error("GoodTracksTPC","Can't start session !");
+ return 1;
}
+
+ rl->LoadgAlice();
+ rl->LoadHeader();
+ rl->LoadKinematics();
+ rl->LoadTrackRefs();
+
AliTPCLoader *tpcl = (AliTPCLoader *)rl->GetLoader("TPCLoader");
if (tpcl == 0x0) {
- ::Fatal("AliTPCHits2Digits.C","Can not find TPCLoader !");
+ ::Error("GoodTracksTPC","Can not find TPCLoader !");
+ delete rl;
+ return 2;
}
-
- rl->LoadgAlice();
-
+
AliTPC *TPC=(AliTPC*)rl->GetAliRun()->GetDetector("TPC");
Int_t ver = TPC->IsVersion();
- cerr<<"TPC version "<<ver<<" has been found !\n";
+ cout<<"TPC version "<<ver<<" has been found !\n";
+ if (ver==1) tpcl->LoadRecPoints();
+ else if (ver==2) tpcl->LoadDigits();
+ else {
+ ::Error("GoodTracksTPC","Wrong TPC version !");
+ delete rl;
+ return 3;
+ }
rl->CdGAFile();
AliTPCParamSR *digp=(AliTPCParamSR*)gDirectory->Get("75x40_100x60_150x60");
if (!digp) {
- ::Fatal("AliTPCHits2Digits.C","TPC parameters have not been found !");
+ ::Error("AliTPCHits2Digits.C","TPC parameters have not been found !");
+ delete rl;
+ return 4;
}
TPC->SetParam(digp);
- rl->LoadHeader();
-
- Int_t np = rl->GetHeader()->GetNtrack();
-
-
Int_t nrow_up=digp->GetNRowUp();
Int_t nrows=digp->GetNRowLow()+nrow_up;
Int_t zero=digp->GetZeroSup();
Int_t gap=Int_t(0.125*nrows), shift=Int_t(0.5*gap);
Int_t good_number=Int_t(0.4*nrows);
- Int_t *good=new Int_t[np];
- Int_t i;
- for (i=0; i<np; i++) good[i]=0;
-
-
- switch (ver) {
- case 1:
- {
- tpcl->LoadRecPoints();
- AliTPCClustersArray *pca=new AliTPCClustersArray, &ca=*pca;
- ca.Setup(digp);
- ca.SetClusterType("AliTPCcluster");
- ca.ConnectTree(tpcl->TreeR());
- Int_t nrows=Int_t(ca.GetTree()->GetEntries());
- for (Int_t n=0; n<nrows; n++) {
+ Int_t nev=rl->GetNumberOfEvents();
+ ::Info("GoodTracksTPC","Number of events : %d\n",nev);
+
+
+ sprintf(fname,"%s/GoodTracksTPC.root",dir);
+ TFile *file=TFile::Open(fname,"recreate");
+
+ TClonesArray dummy("AliTrackReference",1000), *refs=&dummy;
+ TTree tpcTree("tpcTree","Tree with info about the reconstructable TPC tracks");
+ tpcTree.Branch("TPC",&refs);
+
+ //******** Loop over generated events
+ for (Int_t e=0; e<nev; e++) {
+ Int_t nt=0;
+ refs->Clear();
+
+ Int_t i;
+
+ rl->GetEvent(e); file->cd();
+
+ Int_t np = rl->GetHeader()->GetNtrack();
+ cout<<"Event "<<e<<" Number of particles: "<<np<<endl;
+
+ //******** Fill the "good" masks
+ Int_t *good=new Int_t[np]; for (i=0; i<np; i++) good[i]=0;
+ switch (ver) {
+ case 1:
+ {
+ AliTPCClustersArray *pca=new AliTPCClustersArray, &ca=*pca;
+ ca.Setup(digp);
+ ca.SetClusterType("AliTPCcluster");
+ ca.ConnectTree(tpcl->TreeR());
+ Int_t nrows=Int_t(ca.GetTree()->GetEntries());
+ for (Int_t n=0; n<nrows; n++) {
AliSegmentID *s=ca.LoadEntry(n);
Int_t sec,row;
digp->AdjustSectorRow(s->GetID(),sec,row);
good[lab]++;
}
ca.ClearRow(sec,row);
- }
- delete pca;
- tpcl->UnloadRecPoints();
- }
- break;
- case 2:
- {
- tpcl->LoadDigits();
- TTree *TD=tpcl->TreeD();
+ }
+ delete pca;
+ }
+ break;
+ case 2:
+ {
+ TTree *TD=tpcl->TreeD();
- AliSimDigits da, *digits=&da;
- TD->GetBranch("Segment")->SetAddress(&digits);
+ AliSimDigits da, *digits=&da;
+ TD->GetBranch("Segment")->SetAddress(&digits);
- Int_t *count = new Int_t[np];
- Int_t i;
- for (i=0; i<np; i++) count[i]=0;
+ Int_t *count = new Int_t[np];
+ Int_t i;
+ for (i=0; i<np; i++) count[i]=0;
- Int_t sectors_by_rows=(Int_t)TD->GetEntries();
- for (i=0; i<sectors_by_rows; i++) {
+ Int_t sectors_by_rows=(Int_t)TD->GetEntries();
+ for (i=0; i<sectors_by_rows; i++) {
if (!TD->GetEvent(i)) continue;
Int_t sec,row;
digp->AdjustSectorRow(digits->GetID(),sec,row);
- //PH cerr<<sec<<' '<<row<<" \r";
+ //cerr<<sec<<' '<<row<<'\r';
digits->First();
do { //Many thanks to J.Chudoba who noticed this
Int_t it=digits->CurrentRow(), ip=digits->CurrentColumn();
}
count[j]=0;
}
- }
- delete[] count;
- tpcl->UnloadDigits();
+ }
+ delete[] count;
+ }
+ break;
}
- break;
- default:
- ::Fatal("AliTPCComparison.C","Invalid TPC version !");
- }
- rl->LoadKinematics();
- AliStack* stack = rl->Stack();
- /** select tracks which are "good" enough **/
- for (i=0; i<np; i++) {
- if ((good[i]&0x5000) != 0x5000)
- if ((good[i]&0x2800) != 0x2800) continue;
- if ((good[i]&0x7FF ) < good_number) continue;
-
- TParticle *p = (TParticle*)stack->Particle(i);
- if (p == 0x0)
- {
+
+ //****** select tracks which are "good" enough
+ AliStack* stack = rl->Stack();
+ for (i=0; i<np; i++) {
+ if ((good[i]&0x5000) != 0x5000)
+ if ((good[i]&0x2800) != 0x2800) continue;
+ if ((good[i]&0x7FF ) < good_number) continue;
+
+ TParticle *p = (TParticle*)stack->Particle(i);
+ if (p == 0x0) {
cerr<<"Can not get particle "<<i<<endl;
continue;
- }
- if (p->Pt()<0.100) continue;
- if (TMath::Abs(p->Pz()/p->Pt())>0.999) continue;
-
- Double_t vx=p->Vx(),vy=p->Vy();
- if (TMath::Sqrt(vx*vx+vy*vy)>3.5) continue;
-
- /*
- Int_t j=p->GetFirstMother();
- if (j>=0) {
- TParticle *pp = (TParticle*)stack->Particle(j);
- if (pp == 0x0)
- {
- cerr<<"Can not get particle "<<j<<endl;
- continue;
- }
- //if (pp->GetFirstMother()>=0) continue;//only one decay is allowed
- // for cascade hyperons only
- Int_t jj=pp->GetFirstMother();
- if (jj>=0) {
- TParticle *ppp = (TParticle*)stack->Particle(jj);
- if (ppp->GetFirstMother()>=0) continue;//two decays are allowed
}
+ if (p->Pt()<0.100) continue;
+ if (TMath::Abs(p->Pz()/p->Pt())>0.999) continue;
- }
- */
-
- gt[nt].lab=i;
- gt[nt].code=p->GetPdgCode();
- gt[nt].px=0.; gt[nt].py=0.; gt[nt].pz=0.;
- gt[nt].x=0.; gt[nt].y=0.; gt[nt].z=0.;
- nt++;
- if (nt==max) {cerr<<"Too many good tracks !\n"; break;}
- // cerr<<np-i<<" \r";
- }
- rl->UnloadKinematics();
+ Double_t vx=p->Vx(),vy=p->Vy();
+ if (TMath::Sqrt(vx*vx+vy*vy)>3.5) continue;
- /** check if there is also information at the entrance of the TPC **/
-
- rl->LoadTrackRefs();
- TTree *TR=rl->TreeTR();
- TBranch *branch=TR->GetBranch("TPC");
- if (branch==0) {
- ::Fatal("AliTPCComparison.C::good_tracks_tpc","No track references !");
- }
- TClonesArray *references=new TClonesArray("AliTrackReference",1000);
- branch->SetAddress(&references);
- np=(Int_t)TR->GetEntries();
- for (i=0; i<np; i++) {
- references->Clear();
- TR->GetEvent(i);
- Int_t nref=references->GetEntriesFast();
- if (nref==0) continue;
- AliTrackReference *ref=(AliTrackReference*)references->UncheckedAt(0);
-
- Int_t j, lab=ref->Label();
- for (j=0; j<nt; j++) {if (gt[j].lab==lab) break;}
- if (j==nt) continue;
-
- // (px,py,pz) - in global coordinate system, (x,y,z) - in local !
- gt[j].px=ref->Px(); gt[j].py=ref->Py(); gt[j].pz=ref->Pz();
- gt[j].x = ref->LocalX();
- gt[j].y = ref->LocalY();
- gt[j].z = ref->Z();
- }
+ AliTrackReference *ref=new((*refs)[nt]) AliTrackReference();
+
+ ref->SetLabel(i);
+ Int_t pdg=p->GetPdgCode();
+ ref->SetLength(pdg); //This will the particle's PDG !
+ ref->SetMomentum(0.,0.,0.);
+ ref->SetPosition(0.,0.,0.);
+
+ nt++;
+ }
+
+ //**** check if there is also information at the entrance of the TPC
+ TTree *TR=rl->TreeTR();
+ TBranch *branch=TR->GetBranch("TPC");
+ if (branch==0) {
+ ::Error("GoodTracksTPC","No track references !");
+ delete rl;
+ return 5;
+ }
+ TClonesArray tpcdummy("AliTrackReference",1000), *tpcRefs=&tpcdummy;
+ branch->SetAddress(&tpcRefs);
+ Int_t nr=(Int_t)TR->GetEntries();
+ for (Int_t r=0; r<nr; r++) {
+ //cerr<<r<<' '<<nr<<'\r';
+ TR->GetEvent(r);
+ if (tpcRefs->GetEntriesFast()==0) continue;
+ AliTrackReference *tpcRef=(AliTrackReference*)tpcRefs->UncheckedAt(0);
+ Int_t j;
+ AliTrackReference *ref=0;
+ for (j=0; j<nt; j++) {
+ ref=(AliTrackReference *)refs->UncheckedAt(j);
+ if (ref->Label()==tpcRef->Label()) break;
+ ref=0;
+ }
+ if (ref==0) continue;
+
+ ref->SetMomentum(tpcRef->Px(),tpcRef->Py(),tpcRef->Pz());
+ ref->SetPosition(tpcRef->LocalX(),tpcRef->LocalY(),tpcRef->Z());
+
+ tpcRefs->Clear();
+ }
+
+ tpcTree.Fill();
+
+ delete[] good;
+ } //****** end of the loop over generated events
- delete references;
- delete[] good;
- tpcl->UnloadHits();
- rl->UnloadTrackRefs();
- rl->UnloadgAlice();
+ tpcTree.Write();
+ file->Close();
- gBenchmark->Stop("AliTPCComparison");
- gBenchmark->Show("AliTPCComparison");
- return nt;
+ delete rl;
+ return 0;
}