-struct GoodTrack {
+/****************************************************************************
+ * Very important, delicate and rather obscure macro. *
+ * *
+ * Creates list of "trackable" tracks, *
+ * calculates efficiency, resolutions etc. *
+ * There is a possibility to run this macro over several events. *
+ * *
+ * Origin: I.Belikov, CERN, Jouri.Belikov@cern.ch *
+ * with several nice improvements by: M.Ivanov, GSI, m.ivanov@gsi.de *
+ ****************************************************************************/
+
+#if !defined(__CINT__) || defined(__MAKECINT__)
+ #include <TMath.h>
+ #include <TError.h>
+ #include <Riostream.h>
+ #include <TH1F.h>
+ #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 <TROOT.h>
+
+ #include "AliStack.h"
+ #include "AliHeader.h"
+ #include "AliTrackReference.h"
+ #include "AliRunLoader.h"
+ #include "AliMagF.h"
+ #include "AliRun.h"
+ #include "AliESD.h"
+
+ #include "AliSimDigits.h"
+ #include "AliTPC.h"
+ #include "AliTPCParamSR.h"
+ #include "AliTPCClustersArray.h"
+ #include "AliTPCClustersRow.h"
+ #include "AliTPCcluster.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(GoodTrack *gt, Int_t max);
-
-Int_t AliTPCComparison() {
- cerr<<"Doing comparison...\n";
-
- TFile *cf=TFile::Open("AliTPCclusters.root");
- if (!cf->IsOpen()) {cerr<<"Can't open AliTPCclusters.root !\n"; return 1;}
- AliTPCParam *digp= (AliTPCParam*)cf->Get("75x40_100x60");
- if (!digp) { cerr<<"TPC parameters have not been found !\n"; return 2; }
-
-// Load clusters
- AliTPCClustersArray *ca=new AliTPCClustersArray;
- ca->Setup(digp);
- ca->SetClusterType("AliTPCcluster");
- ca->ConnectTree("Segment Tree");
- Int_t nentr=Int_t(ca->GetTree()->GetEntries());
- for (Int_t i=0; i<nentr; i++) {
- AliSegmentID *s=ca->LoadEntry(i);
+
+Int_t good_tracks_tpc(GoodTrackTPC *gt, const Int_t max,
+const char* evfoldname=AliConfig::fgkDefaultEventFolderName);
+
+extern AliRun *gAlice;
+extern TBenchmark *gBenchmark;
+extern TROOT *gROOT;
+
+Int_t AliTPCComparison(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 !");
}
-// Load tracks
- TFile *tf=TFile::Open("AliTPCtracks.root");
- if (!tf->IsOpen()) {cerr<<"Can't open AliTPCtracks.root !\n"; return 3;}
- TObjArray tarray(2000);
- TTree *tracktree=(TTree*)tf->Get("TreeT");
- TBranch *tbranch=tracktree->GetBranch("tracks");
- Int_t nentr=tracktree->GetEntries();
- for (i=0; i<nentr; i++) {
- AliTPCtrack *iotrack=new AliTPCtrack;
- tbranch->SetAddress(&iotrack);
- tracktree->GetEvent(i);
- iotrack->CookLabel(ca);
- tarray.AddLast(iotrack);
- }
- tf->Close();
-
- delete ca;
- cf->Close();
-
-/////////////////////////////////////////////////////////////////////////
- GoodTrack gt[7000];
+ /* Generate a list of "good" tracks */
+ const Int_t MAX=20000;
+ GoodTrackTPC gt[MAX];
Int_t ngood=0;
- ifstream in("good_tracks");
+ sprintf(fname,"%s/good_tracks_tpc",dir);
+ ifstream in(fname);
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==7000) {
- cerr<<"Too many good tracks !\n";
- break;
- }
+ ::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()) cerr<<"Read error (good_tracks) !\n";
+ if (!in.eof())
+ ::Fatal("AliTPCComparison.C","Read error (good_tracks_tpc) !");
} else {
- cerr<<"Marking good tracks (this will take a while)...\n";
- ngood=good_tracks(gt,7000);
- ofstream out("good_tracks");
+ ::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 cerr<<"Can not open file (good_tracks) !\n";
+ 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();
}
- cerr<<"Number of good tracks : "<<ngood<<endl;
-
- cerr<<"Doing comparison...\n";
- 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","Relative Pt resolution (pt>4GeV/c)",30,-60,60);
+
+ 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.);
+ 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","Relative Pt resolution (pt>4GeV/c)",30,-60,60);
hmpt->SetFillColor(6);
- TH1F *hgood=new TH1F("hgood","Good tracks",20,0,7);
- TH1F *hfound=new TH1F("hfound","Found tracks",20,0,7);
- TH1F *hfake=new TH1F("hfake","Fake tracks",20,0,7);
- TH1F *hg=new TH1F("hg","",20,0,7); //efficiency for good tracks
+
+
+ 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=new TH1F("hf","Efficiency for fake tracks",20,0,7);
+
+ 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 =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.);
+ 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);
+ //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;
+ 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
+
hgood->Fill(ptg);
- AliTPCtrack *track;
- Int_t i;
+ AliESDtrack *track=0;
for (i=0; i<nentr; i++) {
- track=(AliTPCtrack*)tarray->UncheckedAt(i);
+ track=event->GetTrack(i);
tlab=track->GetLabel();
if (lab==TMath::Abs(tlab)) break;
}
if (i==nentr) {
- cerr<<"Track "<<lab<<" was not found !\n";
+ track_notfound[itrack_notfound++]=lab;
continue;
}
- Double_t xk=gt[ngood].x;//digp->GetPadRowRadii(0,0);
- track->PropagateTo(xk);
-
+
+ //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++;
+ }
+
if (lab==tlab) hfound->Fill(ptg);
- else { hfake->Fill(ptg); cerr<<lab<<" fake\n";}
+ else {
+ track_fake[itrack_fake++]=lab;
+ hfake->Fill(ptg);
+ }
- Double_t px,py,pz,pt=fabs(track->GetPt());track->GetPxPyPz(px,py,pz);
+ 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((1/pt - 1/ptg)/(1/ptg)*100.);
+ hmpt->Fill((pt_1 - 1/ptg)/(1/ptg)*100.);
} else {
Float_t phig=TMath::ATan2(gt[ngood].py,gt[ngood].px);
- Float_t phi =TMath::ATan2(py,px );
hp->Fill((phi - phig)*1000.);
Float_t lamg=TMath::ATan2(gt[ngood].pz,ptg);
- Float_t lam =TMath::ATan2(pz ,pt );
hl->Fill((lam - lamg)*1000.);
- hpt->Fill((1/pt - 1/ptg)/(1/ptg)*100.);
+ hpt->Fill((pt_1 - 1/ptg)/(1/ptg)*100.);
}
- Float_t mom=track->GetP();
- Float_t dedx=track->GetdEdx();
+ 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) {
}
- Stat_t ng=hgood->GetEntries(); cerr<<"Good tracks "<<ng<<endl;
- Stat_t nf=hfound->GetEntries();
- if (ng!=0)
- cerr<<"Integral efficiency is about "<<nf/ng*100.<<" %\n";
+ cout<<"\nList of Not found tracks :\n";
+ for ( 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";
+ }
+
+ 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;
+
gStyle->SetOptStat(111110);
gStyle->SetOptFit(1);
hg->SetXTitle("Pt (GeV/c)");
hg->Draw();
- TLine *line1 = new TLine(0,1.0,7,1.0); line1->SetLineStyle(4);
+ TLine *line1 = new TLine(0.1,1.0,6.1,1.0); line1->SetLineStyle(4);
line1->Draw("same");
- TLine *line2 = new TLine(0,0.9,7,0.9); line2->SetLineStyle(4);
+ TLine *line2 = new TLine(0.1,0.9,6.1,0.9); line2->SetLineStyle(4);
line2->Draw("same");
hf->SetFillColor(1);
hep->SetXTitle("p (Gev/c)"); hep->SetYTitle("dE/dX (Arb. Units)");
hep->Draw(); c1->cd();
+ gBenchmark->Stop("AliTPCComparison");
+ gBenchmark->Show("AliTPCComparison");
+
+ delete rl;
return 0;
}
-Int_t good_tracks(GoodTrack *gt, Int_t max) {
+Int_t
+good_tracks_tpc(GoodTrackTPC *gt, const Int_t max, const char* evfoldname) {
Int_t nt=0;
- TFile *file=TFile::Open("rfio:galice.root");
- if (!file->IsOpen()) {cerr<<"Can't open galice.root !\n"; exit(4);}
-
- if (!(gAlice=(AliRun*)file->Get("gAlice"))) {
- cerr<<"gAlice have not been found on galice.root !\n";
- exit(5);
+ AliRunLoader *rl = AliRunLoader::GetRunLoader(evfoldname);
+ if (rl == 0x0) {
+ ::Fatal("AliTPCComparison.C::good_tracks_tpc",
+ "Can not find Run Loader in Folder Named %s",
+ evfoldname);
}
-
- gAlice->GetEvent(0);
-
- AliTPC *TPC=(AliTPC*)gAlice->GetDetector("TPC");
+ AliTPCLoader *tpcl = (AliTPCLoader *)rl->GetLoader("TPCLoader");
+ if (tpcl == 0x0) {
+ ::Fatal("AliTPCHits2Digits.C","Can not find TPCLoader !");
+ }
+
+ rl->LoadgAlice();
+
+ AliTPC *TPC=(AliTPC*)rl->GetAliRun()->GetDetector("TPC");
Int_t ver = TPC->IsVersion();
cerr<<"TPC version "<<ver<<" has been found !\n";
- AliTPCParam *digp=(AliTPCParam*)file->Get("75x40_100x60");
- if (!digp) { cerr<<"TPC parameters have not been found !\n"; exit(6); }
+ rl->CdGAFile();
+ AliTPCParamSR *digp=(AliTPCParamSR*)gDirectory->Get("75x40_100x60_150x60");
+ if (!digp) {
+ ::Fatal("AliTPCHits2Digits.C","TPC parameters have not been found !");
+ }
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);
+ Int_t gap=Int_t(0.125*nrows), shift=Int_t(0.5*gap);
Int_t good_number=Int_t(0.4*nrows);
- TClonesArray *particles=gAlice->Particles();
- Int_t np=particles->GetEntriesFast();
Int_t *good=new Int_t[np];
- for (Int_t ii=0; ii<np; ii++) good[ii]=0;
+ Int_t i;
+ for (i=0; i<np; i++) good[i]=0;
+
switch (ver) {
case 1:
{
- TFile *cf=TFile::Open("AliTPCclusters.root");
- if (!cf->IsOpen()){cerr<<"Can't open AliTPCclusters.root !\n";exit(5);}
- AliTPCClustersArray *ca=new AliTPCClustersArray;
- ca->Setup(digp);
- ca->SetClusterType("AliTPCcluster");
- ca->ConnectTree("Segment Tree");
- Int_t nrows=Int_t(ca->GetTree()->GetEntries());
+ 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++) {
- AliSegmentID *s=ca->LoadEntry(n);
+ AliSegmentID *s=ca.LoadEntry(n);
Int_t sec,row;
digp->AdjustSectorRow(s->GetID(),sec,row);
- AliTPCClustersRow &clrow = *ca->GetRow(sec,row);
+ AliTPCClustersRow &clrow = *ca.GetRow(sec,row);
Int_t ncl=clrow.GetArray()->GetEntriesFast();
while (ncl--) {
AliTPCcluster *c=(AliTPCcluster*)clrow[ncl];
- Int_t lab=c->fTracks[0];
+ Int_t lab=c->GetLabel(0);
if (lab<0) continue; //noise cluster
lab=TMath::Abs(lab);
+
+ if (sec>=digp->GetNInnerSector())
+ if (row==nrow_up-1) good[lab]|=0x4000;
+ if (sec>=digp->GetNInnerSector())
+ if (row==nrow_up-1-gap) good[lab]|=0x1000;
+
if (sec>=digp->GetNInnerSector())
- if (row==nrow_up-1 ) good[lab]|=0x1000;
+ if (row==nrow_up-1-shift) good[lab]|=0x2000;
if (sec>=digp->GetNInnerSector())
- if (row==nrow_up-1-gap) good[lab]|=0x800;
+ if (row==nrow_up-1-gap-shift) good[lab]|=0x800;
+
good[lab]++;
}
- ca->ClearRow(sec,row);
+ ca.ClearRow(sec,row);
}
- cf->Close();
+ delete pca;
+ tpcl->UnloadRecPoints();
}
- break;
+ break;
case 2:
- TTree *TD=(TTree*)gDirectory->Get("TreeD_75x40_100x60");
+ {
+ tpcl->LoadDigits();
+ TTree *TD=tpcl->TreeD();
+
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 sectors_by_rows=(Int_t)TD->GetEntries();
for (i=0; i<sectors_by_rows; i++) {
if (!TD->GetEvent(i)) continue;
digp->AdjustSectorRow(digits->GetID(),sec,row);
cerr<<sec<<' '<<row<<" \r";
digits->First();
- while (digits->Next()) {
+ do { //Many thanks to J.Chudoba who noticed this
Int_t it=digits->CurrentRow(), ip=digits->CurrentColumn();
Short_t dig = digits->GetDigit(it,ip);
Int_t idx0=digits->GetTrackID(it,ip,0);
Int_t idx1=digits->GetTrackID(it,ip,1);
Int_t idx2=digits->GetTrackID(it,ip,2);
- if (idx0>=0 && dig>=zero) count[idx0]+=1;
- if (idx1>=0 && dig>=zero) count[idx1]+=1;
- if (idx2>=0 && dig>=zero) count[idx2]+=1;
- }
+ if (idx0>=0 && dig>=zero && idx0<np) count[idx0]+=1;
+ if (idx1>=0 && dig>=zero && idx1<np) count[idx1]+=1;
+ if (idx2>=0 && dig>=zero && idx2<np) count[idx2]+=1;
+ } while (digits->Next());
for (Int_t j=0; j<np; j++) {
if (count[j]>1) {
if (sec>=digp->GetNInnerSector())
- if (row==nrow_up-1 ) good[j]|=0x1000;
+ if (row==nrow_up-1 ) good[j]|=0x4000;
+ if (sec>=digp->GetNInnerSector())
+ if (row==nrow_up-1-gap) good[j]|=0x1000;
+
+ if (sec>=digp->GetNInnerSector())
+ if (row==nrow_up-1-shift) good[j]|=0x2000;
if (sec>=digp->GetNInnerSector())
- if (row==nrow_up-1-gap) good[j]|=0x800;
+ if (row==nrow_up-1-gap-shift) good[j]|=0x800;
good[j]++;
}
count[j]=0;
}
}
delete[] count;
+ tpcl->UnloadDigits();
+ }
break;
default:
- cerr<<"Invalid TPC version !\n";
- file->Close();
- exit(7);
+ ::Fatal("AliTPCComparison.C","Invalid TPC version !");
}
- TTree *TH=gAlice->TreeH();
- TClonesArray *hits=TPC->Hits();
- Int_t npart=TH->GetEntries();
-
- while (npart--) {
- TPC->ResetHits();
- TH->GetEvent(npart);
- Int_t nhits=hits->GetEntriesFast();
- if (nhits==0) continue;
- AliTPChit *hit;
- Int_t j;
- for (j=0; j<nhits-1; j++) {
- hit=(AliTPChit*)hits->UncheckedAt(j);
- if (hit->fQ==0.) break;
- }
- if (j==nhits-1) continue;
- AliTPChit *hit1=(AliTPChit*)hits->UncheckedAt(j+1);
- if (hit1->fQ != 0.) continue;
- Int_t i=hit->fTrack;
- TParticle *p = (TParticle*)particles->UncheckedAt(i);
- if (p->GetFirstMother()>=0) continue; //secondary particle
- if (good[i] < 0x1000+0x800+2+good_number) continue;
+ 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)
+ {
+ 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
+ }
+
+ }
+ */
+
gt[nt].lab=i;
gt[nt].code=p->GetPdgCode();
-//**** px py pz - in global coordinate system, x y z - in local !
- gt[nt].px=hit->fX; gt[nt].py=hit->fY; gt[nt].pz=hit->fZ;
- Float_t cs,sn; digp->AdjustCosSin(hit1->fSector,cs,sn);
- gt[nt].x = hit1->fX*cs + hit1->fY*sn;
- gt[nt].y =-hit1->fX*sn + hit1->fY*cs;
- gt[nt].z = hit1->fZ;
+ 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++;
-
- cerr<<i<<" \r";
if (nt==max) {cerr<<"Too many good tracks !\n"; break;}
+ cerr<<np-i<<" \r";
+ }
+ rl->UnloadKinematics();
+
+ /** 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();
}
- delete[] good;
- delete gAlice; gAlice=0;
+ delete references;
+ delete[] good;
+
+ tpcl->UnloadHits();
+ rl->UnloadTrackRefs();
+ rl->UnloadgAlice();
- file->Close();
+ gBenchmark->Stop("AliTPCComparison");
+ gBenchmark->Show("AliTPCComparison");
return nt;
}
-
-
-
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff