#include <TH2F.h>
#include <TTree.h>
#include <TParticle.h>
- #include <TPad.h>
#include <TCanvas.h>
#include <TLine.h>
#include <TText.h>
#include <TBenchmark.h>
#include <TStyle.h>
- #include <TKey.h>
+ #include <TFile.h>
#include <TROOT.h>
#include "AliStack.h"
#include "AliHeader.h"
#include "AliTrackReference.h"
#include "AliRunLoader.h"
- #include "AliMagF.h"
#include "AliRun.h"
- #include "AliESD.h"
+ #include "AliESDEvent.h"
+ #include "AliESDtrack.h"
#include "AliSimDigits.h"
#include "AliTPC.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++) {
- track=event->GetTrack(i);
- tlab=track->GetLabel();
- if (lab==TMath::Abs(tlab)) break;
- }
- 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->GetLabel())) micount++;
- }
- if (micount>1) {
- track_multifound[itrack_multifound]=lab;
- track_multifound_n[itrack_multifound]=micount;
- itrack_multifound++;
+
+ 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;
}
-
- if (lab==tlab) hfound->Fill(ptg);
- else {
- track_fake[itrack_fake++]=lab;
- hfake->Fill(ptg);
+ }
+ AliESDEvent* event = new AliESDEvent();
+ TTree* esdTree = (TTree*) ef->Get("esdTree");
+ if (!esdTree) {
+ ::Error("AliTPCComparison.C", "no ESD tree found");
+ return 6;
+ }
+ event->ReadFromTree(esdTree);
+
+
+ //******* Loop over events *********
+ Int_t e=0;
+ while (esdTree->GetEvent(e)) {
+ cout<<endl<<endl<<"********* Processing event number: "<<e<<"*******\n";
+
+ Int_t nentr=event->GetNumberOfTracks();
+ allfound+=nentr;
+
+ if (tpcTree->GetEvent(e++)==0) {
+ cerr<<"No reconstructable tracks !\n";
+ continue;
}
- 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 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++;
- 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.);
+ hgood->Fill(ptg);
- Float_t lamg=TMath::ATan2(gt[ngood].pz,ptg);
- hl->Fill((lam - lamg)*1000.);
+ 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;
+ }
+
+ //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);
+ }
+
+ 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.);
+ }
- 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.);
+ }
}
- 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<<"\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";
+ }
- }
+ cout<<"Number of found tracks ="<<nentr<<endl;
+ cout<<"Number of \"good\" tracks ="<<ngood<<endl;
- 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";
- }
+ refs->Clear();
+ }// ***** End of the loop over events
- 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 event;
+ delete esdTree;
+ ef->Close();
+ 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);
TCanvas *c1=new TCanvas("c1","",0,0,700,850);
+ Int_t minc=33;
+
TPad *p1=new TPad("p1","",0,0.3,.5,.6); p1->Draw();
p1->cd(); p1->SetFillColor(42); p1->SetFrameFillColor(10);
- hp->SetFillColor(4); hp->SetXTitle("(mrad)"); hp->Fit("gaus"); c1->cd();
+ hp->SetFillColor(4); hp->SetXTitle("(mrad)");
+ if (hp->GetEntries()<minc) hp->Draw(); else hp->Fit("gaus"); c1->cd();
TPad *p2=new TPad("p2","",0.5,.3,1,.6); p2->Draw();
p2->cd(); p2->SetFillColor(42); p2->SetFrameFillColor(10);
- hl->SetXTitle("(mrad)"); hl->Fit("gaus"); c1->cd();
+ hl->SetXTitle("(mrad)");
+ if (hl->GetEntries()<minc) hl->Draw(); else hl->Fit("gaus"); c1->cd();
TPad *p3=new TPad("p3","",0,0,0.5,0.3); p3->Draw();
p3->cd(); p3->SetFillColor(42); p3->SetFrameFillColor(10);
- hpt->SetXTitle("(%)"); hpt->Fit("gaus"); c1->cd();
+ hpt->SetXTitle("(%)");
+ if (hpt->GetEntries()<minc) hpt->Draw(); else hpt->Fit("gaus"); c1->cd();
TPad *p4=new TPad("p4","",0.5,0,1,0.3); p4->Draw();
p4->cd(); p4->SetFillColor(42); p4->SetFrameFillColor(10);
- hmpt->SetXTitle("(%)"); hmpt->Fit("gaus"); c1->cd();
+ hmpt->SetXTitle("(%)");
+ if (hmpt->GetEntries()<minc) hmpt->Draw(); else hmpt->Fit("gaus"); c1->cd();
TPad *p5=new TPad("p5","",0,0.6,1,1); p5->Draw(); p5->cd();
p5->SetFillColor(41); p5->SetFrameFillColor(10);
p6->cd(); p6->SetFillColor(42); p6->SetFrameFillColor(10);
he->SetFillColor(2); he->SetFillStyle(3005);
he->SetXTitle("Arbitrary Units");
- he->Fit("gaus"); c2->cd();
+ if (he->GetEntries()<minc) he->Draw(); else he->Fit("gaus"); c2->cd();
TPad *p7=new TPad("p7","",0.,0.5,1.,1.); p7->Draw();
p7->cd(); p7->SetFillColor(42); p7->SetFrameFillColor(10);
hep->SetXTitle("p (Gev/c)"); hep->SetYTitle("dE/dX (Arb. Units)");
hep->Draw(); c1->cd();
+ TFile fc("AliTPCComparison.root","RECREATE");
+ c1->Write();
+ c2->Write();
+ fc.Close();
+
gBenchmark->Stop("AliTPCComparison");
gBenchmark->Show("AliTPCComparison");
- delete rl;
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;
+ }
- AliRunLoader *rl = AliRunLoader::GetRunLoader(evfoldname);
- if (rl == 0x0) {
- ::Fatal("AliTPCComparison.C::good_tracks_tpc",
- "Can not find Run Loader in Folder Named %s",
- evfoldname);
+ Char_t fname[100];
+ sprintf(fname,"%s/galice.root",dir);
+
+ 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);
- 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("TrackReferences");
+ 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);
+
+ Int_t nref = tpcRefs->GetEntriesFast();
+ if (!nref) continue;
+ AliTrackReference *tpcRef= 0x0;
+ for (Int_t iref=0; iref<nref; ++iref) {
+ tpcRef = (AliTrackReference*)tpcRefs->UncheckedAt(iref);
+ if (tpcRef->DetectorId() == AliTrackReference::kTPC) break;
+ tpcRef = 0x0;
+ }
+
+ if (!tpcRef) continue;
+
+ 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;
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff