--- /dev/null
+void SPDclusterTest(Int_t evNumber1=0,Int_t evNumber2=0){
+ //
+ // macro to monitor the SPD digitization and clusterization done with
+ // the Bari/Salerno model
+ //
+ // R. Caliandro 15/05/2001
+ //
+ //
+ //--plots displayed:
+ //
+ //--pag1: number of hits per SPD detector (1-->250)
+ // number of hits per SPD detector (1-->250)
+ // number of clusters per SPD detector (1-->250)
+ //
+ //--pag2: r-phi cluster length layer 1 (red)
+ // z cluster length layer 1 (red)
+ // r-phi cluster length layer 2 (blue)
+ // z cluster length layer 2 (blue)
+ //
+ //--pag3: r-phi resolution layer 1 (red)
+ // z resolution layer 1 (red)
+ // r-phi resolution layer 2 (blue)
+ // z resolution layer 2 (blue)
+ //
+ //--pag4: Cluster shape analysis for clusters of 1, 2 and 3 digits
+ // zdim versus xdim for clusters of 4 digits
+ //
+ // input file name, digitized and clusterized
+ char *filein="galice.root";
+ // output file name, containing histograms
+ char *fileout="SPD_his.root";
+ // flag for debugging: 0=no debugging, 1=debugging
+ Int_t debug=0;
+
+
+ // Dynamically link some shared libs
+ if (gClassTable->GetID("AliRun") < 0) {
+ gROOT->LoadMacro("loadlibs.C");
+ loadlibs();
+ } else {
+ delete gAlice;
+ gAlice=0;
+ }
+
+
+ // Connect the Root Galice file containing Geometry, Kine and Hits
+ TFile *file = (TFile*)gROOT->GetListOfFiles()->FindObject(filein);
+ if (!file) file = new TFile(filein);
+
+ // Get AliRun object from file or create it if not on file
+ if (!gAlice) {
+ gAlice = (AliRun*)file->Get("gAlice");
+ if (gAlice) printf("AliRun object found on file\n");
+ if (!gAlice) gAlice = new AliRun("gAlice","Alice test program");
+ }
+
+ //to get the segmentation pointer
+ AliITS *ITS = (AliITS*) gAlice->GetModule("ITS");
+ AliITSDetType *iDetType=ITS->DetType(0);
+ AliITSsegmentationSPD *seg=(AliITSsegmentationSPD*)iDetType->GetSegmentationModel();
+
+//=======================================================
+//--booking of ntuples
+
+//--ntuple for each detector
+ TNtuple *ntuple2 = new TNtuple("ntuple2","","ndet:lay:lad:det:nhits:ndig:nclus");
+//--ntuple for each cluster
+ TNtuple *ntuple = new TNtuple("ntuple","","ndet:iclus:ndigclus:xdim:zdim:xdiff:zdiff:anglex:anglez:pmom:errx:errz");
+
+//--booking of histograms
+//layer 1
+ TH1F *hist1n1 = new TH1F("hist1n1","xdim",15,0.5,15.5);
+ TH1F *hist2n1 = new TH1F("hist2n1","zdim",10,0.5,10.5);
+ TH1F *hist3n1 = new TH1F("hist3n1","dig/clus",20,0.5,20.5);
+ TH1F *hist4n1 = new TH1F("hist4n1","errx",100,0,0.01);
+ TH1F *hist5n1 = new TH1F("hist5n1","errz",500,0,0.05);
+ TH2F *hist7n1 = new TH2F("hist7n1","xdim:delx",80,0,800.,15,0.5,15.5);
+ TH2F *hist8n1 = new TH2F("hist8n1","zdim:delz",180,0,1800.,10,0.5,10.5);
+//layer 2
+ TH1F *hist1n2 = new TH1F("hist1n2","xdim",15,0.5,15.5);
+ TH1F *hist2n2 = new TH1F("hist2n2","zdim",10,0.5,10.5);
+ TH1F *hist3n2 = new TH1F("hist3n2","dig/clus",20,0.5,20.5);
+ TH1F *hist4n2 = new TH1F("hist4n2","errx",100,0,0.01);
+ TH1F *hist5n2 = new TH1F("hist5n2","errz",500,0,0.05);
+ TH2F *hist7n2 = new TH2F("hist7n2","xdim:delx",80,0,800.,15,0.5,15.5);
+ TH2F *hist8n2 = new TH2F("hist8n2","zdim:delz",180,0,1800.,10,0.5,10.5);
+//--resolution
+ TH1F *hist1 = new TH1F("hist1","xdiff",200,-100,100);
+ TH1F *hist3 = new TH1F("hist3","xdiff",200,-100,100);
+ TH1F *hist2 = new TH1F("hist2","zdiff",170,-850,850);
+ TH1F *hist4 = new TH1F("hist4","zdiff",170,-850,850);
+//--momentum
+ TH1F *hist5 = new TH1F("hist5","pmom",200,0,2000);
+//--rapidity
+ TH1F *hist6 = new TH1F("hist6","rapidity",60,-3,3);
+ TH1F *hist6b= new TH1F("hist6b","rapidity - charged tracks",60,-3,3);
+ TH1F *hist6b1= new TH1F("hist6b1","rapidity - charged tracks SPD",60,-3,3);
+//--pseudo-rapidity
+ TH1F *hist6p = new TH1F("hist6p","eta - charged tracks ",60,-3,3);
+ TH1F *hist6p1 = new TH1F("hist6p1","eta - charged tracks SPD ",60,-3,3);
+ TH1F *hist6p2 = new TH1F("hist6p2","eta - charged tracks SPD 2 ",60,-3,3);
+//--resolution vs angle
+ TH1F *hist11n1=new TH1F("hist11n1","anglex - layer 1",180,-90,90);
+ TH1F *hist11n2=new TH1F("hist11n2","anglex - layer 2",180,-90,90);
+ TH1F *hist12n1=new TH1F("hist12n1","anglez - layer 1",360,-180,180);
+ TH1F *hist12n2=new TH1F("hist12n2","anglez - layer 2",360,-180,180);
+ TH2F *hist13n1=new TH2F("hist13n1","xidff:anglex",20,-15,15,200,-100,100);
+ TH2F *hist13n2=new TH2F("hist13n2","xidff:anglex",20,-30,-15,200,-100,100);
+ TH2F *hist14n1=new TH2F("hist14n1","zidff:anglez",18,-90,90,170,-850,850);
+ TH2F *hist14n2=new TH2F("hist14n2","zidff:anglez",18,-90,90,170,-850,850);
+//--histograms for cluster shape analysis
+ TH1F *histsp1=new TH1F("histsp1","Cluster shape (1)",10,0.5,10.5);
+ TH2F *histsp2=new TH2F("histsp2","Cluster shape (2)",5,0.5,5.5,5,0.5,5.5);
+//=======================================================
+
+ //loop over events
+ for (int nev=0; nev<= evNumber2; nev++) {
+ Int_t nparticles = gAlice->GetEvent(nev);
+ cout << "nev " <<nev<<endl;
+ cout << "nparticles " <<nparticles<<endl;
+ if (nev < evNumber1) continue;
+ if (nparticles <= 0) return;
+
+ TTree *TH = gAlice->TreeH();
+ Int_t ntracks = TH->GetEntries();
+ cout << "ntracks " <<ntracks<<endl;
+
+ // Get pointers to Alice detectors and Digit containers
+ AliITS *ITS = (AliITS *)gAlice->GetModule("ITS");
+ TClonesArray *Particles = gAlice->Particles();
+ if(!ITS) return;
+
+ // fill modules with sorted by module hits
+ Int_t nmodules;
+ ITS->InitModules(-1,nmodules);
+ ITS->FillModules(nev,evNumber2,nmodules," "," ");
+
+ // get pointer to modules array
+ TObjArray *mods = ITS->GetModules();
+ AliITShit *itsHit;
+
+
+ //get the Tree for clusters
+ ITS->GetTreeC(nev);
+ TTree *TC=ITS->TreeC();
+ //TC->Print();
+ Int_t nent=TC->GetEntries();
+ printf("Found %d entries in the tree of clusters)\n",nent);
+ TClonesArray *ITSclusters = ITS->ClustersAddress(0);
+ printf("ITSclusters %p\n",ITSclusters);
+
+ //get the Tree for digits
+ TTree *TD = gAlice->TreeD();
+ //TD->Print();
+ Int_t nentd=TD->GetEntries();
+ printf("Found %d entries in the tree of digits)\n",nentd);
+ TObjArray *fBranches=TD->GetListOfBranches();
+ TBranch *branch = (TBranch*)fBranches->UncheckedAt(0);
+ printf ("branch %p entries %d \n",branch,branch->GetEntries());
+ TClonesArray *ITSdigits = ITS->DigitsAddress(0);
+ printf ("ITSdigits %p \n",ITSdigits);
+
+ //get the Tree for rec points
+ TTree *TR = gAlice->TreeR();
+ //TR->Print();
+ Int_t nentr=TR->GetEntries();
+ printf("Found %d entries in the tree of rec points)\n",nentr);
+ TClonesArray *ITSrec = ITS->RecPoints();
+ printf ("ITSrec %p \n",ITSrec);
+ AliITSRecPoint *recp;
+
+ // calculus of rapidity distribution for the generated tracks
+ gAlice-> ResetHits();
+ TParticle *particle;
+ for (Int_t track=0; track<ntracks; track++)
+ {
+ particle = (TParticle*)gAlice->Particle(track);
+ Int_t ikparen = particle -> GetFirstMother();
+ Double_t charge = particle -> GetPDG() ->Charge();
+ charge = charge/3.; //charge is multiplied by 3 in PDG
+ Double_t mass = particle -> GetPDG() -> Mass();
+ Double_t eta = particle -> Eta();
+ Int_t pdgcode = particle -> GetPdgCode();
+ char* title = particle -> GetTitle();
+ if (ikparen<0)
+ {
+ Double_t part_ene = particle->Energy();
+ Double_t part_pz = particle->Pz();
+ Double_t rapid;
+ if (part_ene != part_pz)
+ {
+ rapid=0.5*TMath::Log((part_ene+part_pz)/(part_ene-part_pz));
+ }
+ else {
+ rapid = 1.e30;
+ }
+ // filling of the rapidity histogram
+ hist6->Fill( (Float_t) rapid);
+ if( charge != 0 ) {
+ hist6b->Fill( (Float_t) rapid);
+ hist6p->Fill( (Float_t) eta);
+ }
+// printf("charge= %f, mass = %f , pdg= %d, title = %s\n",
+// charge,mass,pdgcode,title);
+ }
+ }
+
+ AliITSgeom *g = ((AliITS *)ITS)->GetITSgeom();
+ Int_t lay, lad, det;
+ //printf("Starts loop on SPD detectors\n");
+
+
+ //loop over the pixel detectors index=0-79 (1-20)*4 layer 1
+ // index=80-239 (1-40)*4 layer 2
+ for (Int_t index=g->GetStartSPD();index<=g->GetLastSPD();index++)
+// for (Int_t index=g->GetStartSPD();index<1;index++) //debug
+ {
+
+ g->GetModuleId(index,lay,lad,det);
+ //printf("detector %d (lay=%d lad=%d det=%d)\n",index+1,lay,lad,det);
+
+ AliITSmodule *itsModule = (AliITSmodule*) mods->At(index);
+ Int_t numofhits = itsModule->GetNhits();
+ //printf("number of hits %d\n",numofhits);
+ if(!numofhits) continue;
+
+ //---------- starts test on digits
+ ITS->ResetDigits();
+ TD->GetEvent(index);
+ Int_t ndigits = ITSdigits->GetEntriesFast();
+ //if (ndigits) printf("Found %d digits for module %d \n",ndigits,index+1);
+ if (!ndigits) printf("no digits found \n");
+
+
+
+ if(debug==1) {
+ //loop on digits
+ for (Int_t digit=0;digit<ndigits;digit++) {
+ ITSdigit = (AliITSdigitSPD*)ITSdigits->UncheckedAt(digit);
+ printf("digit=%d fCoord1=%d FCoord2=%d fSignal=%d fTracks=%d fHits=%d \n",digit,ITSdigit->fCoord1,ITSdigit->fCoord2,ITSdigit->fSignal,ITSdigit->fTracks[0],ITSdigit->fHits[0]);
+ }
+ cout<<"END test for digits "<<endl;
+ }
+
+
+ //---------- starts test on clusters
+ ITS->ResetClusters();
+ TC->GetEvent(index);
+ Int_t nclust = ITSclusters->GetEntries();
+ //printf("Found %d clusters \n",nclust);
+ if (!nclust) printf("no clusters found \n");
+
+
+ if(debug==1) {
+ //loop on clusters
+ for (Int_t clu=0;clu<nclust;clu++)
+ {
+ //itsclu = (AliITSRawClusterSPD*) ITSclusters->UncheckedAt(clu);
+ itsclu = (AliITSRawClusterSPD*) ITSclusters->At(clu);
+ printf("cluster %d nZ=%f nX=%f Q=%f Z=%f X=%f\n",clu+1,itsclu->NclZ(),
+ itsclu->NclX(),itsclu->Q(),itsclu->Z(),itsclu->X());
+ }
+ cout<<"END test for clusters "<<endl;
+ }
+
+
+
+ //---------- starts test on rec points
+ ITS->ResetRecPoints();
+ TR->GetEvent(index);
+ Int_t nrecpoints = ITSrec->GetEntries();
+ //printf("Found %d recpoints for module %d \n",nrecpoints,index+1);
+ if (!nrecpoints) printf("no recpoints found \n");
+
+ if(debug==1) {
+ //loop on rec points
+ for (Int_t irec=0;irec<nrecpoints;irec++) {
+ recp = (AliITSRecPoint*)ITSrec->UncheckedAt(irec);
+ printf("%d %f %f %f %f %d %d %d\n",irec+1,recp->GetX(),recp->GetZ(),
+ recp->fSigmaX2,recp->fSigmaZ2,
+ recp->fTracks[0],recp->fTracks[1],recp->fTracks[2]);
+ }
+ }
+
+ printf("Detector n.%d (%d hits) (%d digits) (%d clusters)\n",
+ index+1,numofhits,ndigits,nclust);
+
+ // fill ntuple2
+ ntuple2->Fill ( (Float_t) index+1,
+ (Float_t) lay,
+ (Float_t) lad,
+ (Float_t) det,
+ (Float_t) numofhits,
+ (Float_t) ndigits,
+ (Float_t) nclust);
+
+ Int_t xlow;
+ Int_t zlow;
+ Int_t xhigh;
+ Int_t zhigh;
+ Int_t colcenter;
+ Int_t rowcenter;
+
+ // loop on clusters in each detector
+ for (Int_t i=0; i<nclust; i++)
+ {
+
+ irawclu = (AliITSRawClusterSPD*) ITSclusters->UncheckedAt(i);
+ irecp = (AliITSRecPoint*)ITSrec->UncheckedAt(i);
+
+ Int_t xdim = irawclu->NclX();
+ Int_t zdim = irawclu->NclZ();
+ Float_t errx = TMath::Sqrt(irecp->fSigmaX2);
+ Float_t errz = TMath::Sqrt(irecp->fSigmaZ2);
+ Float_t xcenter = irawclu->X();
+ Float_t zcenter = irawclu->Z();
+ Float_t ndigclus = irawclu->Q();
+ Int_t itrackclus = irecp->fTracks[0];
+
+ //Find the hits associated to the main track of the cluster
+ // loop on hits in the detector
+ for (Int_t hit=0; hit<numofhits; hit++)
+ {
+ AliITShit *itsHit = (AliITShit*)itsModule->GetHit(hit);
+ Int_t itrackhit = itsHit->GetTrack();
+ //Take the same track index of the main track of the cluster
+ if (itrackhit == itrackclus) {
+ if (itsHit->GetTrackStatus()==66) {
+ Float_t x1l = 10000*itsHit->GetXL(); //in microns
+ Float_t y1l = 10000*itsHit->GetYL();
+ Float_t z1l = 10000*itsHit->GetZL();
+ Float_t p1x = 1000*itsHit->GetPXL(); //in MeV/c
+ Float_t p1y = 1000*itsHit->GetPYL();
+ Float_t p1z = 1000*itsHit->GetPZL();
+ }
+ else {
+ Float_t x2l = 10000*itsHit->GetXL();
+ Float_t y2l = 10000*itsHit->GetYL();
+ Float_t z2l = 10000*itsHit->GetZL();
+ Float_t p2x = 1000*itsHit->GetPXL();
+ Float_t p2y = 1000*itsHit->GetPYL();
+ Float_t p2z = 1000*itsHit->GetPZL();
+
+
+ }
+ }
+ }// end loop on hits on detector
+
+
+ Float_t pmom=TMath::Sqrt(p1x*p1x+p1y*p1y+p1z*p1z);
+ hist5->Fill(pmom);
+
+ Float_t dxhit = TMath::Abs(x2l-x1l);
+ Float_t dzhit = TMath::Abs(z2l-z1l);
+
+ Float_t xmidhit = (x1l + x2l)/2;
+ Float_t zmidhit = (z1l + z2l)/2;
+
+// printf("cluster n.%d: x=%f z=%f\n",i,xcenter,zcenter);
+// printf("track n.%d: x1=%f x2=%f z1=%f z2=%f\n",itrackclus,
+// x1l, x2l, z1l, z2l);
+
+ // analysis of resolution vs angle
+ if(index<80)
+ {
+ Float_t px = -p1x;
+ Float_t py = -p1y;
+ }
+ else{
+ Float_t px = p1x;
+ Float_t py = p1y;
+ }
+ Float_t pz = p1z;
+ // anglex is the angle in xy plane (local frame)
+ Float_t anglex = atan2(px,py);
+ // anglez is the angle in zy plane (local frame)
+ Float_t anglez = atan2(pz,py);
+ anglex *= 180.0/TMath::Pi(); // degrees
+ anglez *= 180.0/TMath::Pi(); // degrees
+
+ if(xmidhit != 0 || zmidhit != 0)
+ {
+ Float_t xdiff = (xcenter - xmidhit);
+ Float_t zdiff = (zcenter - zmidhit);
+
+ if(index<80)
+ {
+ // resolution plots
+ hist1->Fill(xdiff);
+ hist2->Fill(zdiff);
+
+ // plots of resolution vs angle
+ hist11n1->Fill(anglex);
+ hist12n1->Fill(anglez);
+ hist13n1->Fill(anglex,xdiff);
+ hist14n1->Fill(anglez,zdiff);
+
+ } else {
+
+ // resolution plots
+ hist3->Fill(xdiff);
+ hist4->Fill(zdiff);
+
+ // plots of resolution vs angle
+ hist11n2->Fill(anglex);
+ hist12n2->Fill(anglez);
+ hist13n2->Fill(anglex,xdiff);
+ hist14n2->Fill(anglez,zdiff);
+
+ }
+ }
+
+ // fill the ntuple
+ ntuple->Fill ( (Float_t) index,
+ (Float_t) i,
+ (Float_t) ndigclus,
+ (Float_t) xdim,
+ (Float_t) zdim,
+ (Float_t) xdiff,
+ (Float_t) zdiff,
+ (Float_t) anglex,
+ (Float_t) anglez,
+ (Float_t) pmom,
+ errx,
+ errz);
+
+ // other histograms
+ if(index<80)
+ {
+ hist1n1->Fill((Float_t) xdim);
+ hist2n1->Fill((Float_t) zdim);
+ hist3n1->Fill(ndigclus);
+ hist4n1->Fill(errx);
+ hist5n1->Fill(errz);
+ hist7n1->Fill(dxhit,(Float_t) xdim);
+ hist8n1->Fill(dzhit,(Float_t) zdim);
+
+ } else {
+ hist1n2->Fill((Float_t) xdim);
+ hist2n2->Fill((Float_t) zdim);
+ hist3n2->Fill(ndigclus);
+ hist4n2->Fill(errx);
+ hist5n2->Fill(errz);
+ hist7n2->Fill(dxhit,(Float_t) xdim);
+ hist8n2->Fill(dzhit,(Float_t) zdim);
+ }
+
+ //histograms for cluster shape analysis
+ Int_t xx;
+ if(ndigclus<=3) {
+ if(ndigclus==1) {
+ xx=1;
+ } elseif(ndigclus==2){
+ if(zdim==2 && xdim==1) xx=2;
+ if(zdim==1 && xdim==2) xx=3;
+ if(zdim==2 && xdim==2) xx=4;
+ } elseif(ndigclus==3){
+ if(zdim==2 && xdim==2) xx=5;
+ if(zdim==3 && xdim==1) xx=6;
+ if(zdim==1 && xdim==3) xx=7;
+ if(zdim==3 && xdim==3) xx=8;
+ if(zdim==3 && xdim==2) xx=9;
+ if(zdim==2 && xdim==3) xx=10;
+ }
+ histsp1->Fill((Float_t) xx);
+ } elseif(ndigclus==4){
+ histsp2->Fill((Float_t) xdim,(Float_t) zdim);
+ }
+
+
+ }//end loop on clusters
+
+ } //end loop on the SPD detectors
+
+} //end loop on events
+
+
+//================== Plot the results ===================================
+
+gROOT->Reset();
+gStyle->SetFillColor(0);
+gStyle->SetStatW(0.37);
+gStyle->SetStatH(0.22);
+
+//----------------------------------------------------- page 1
+gStyle->SetOptLogy(0);
+gStyle->SetOptStat(1100);
+
+ TCanvas *c1 = new TCanvas("c1","hits, digits, clusters",200,10,700,780);
+c1->SetFillColor(0);
+c1->Divide(1,3);
+ c1->cd(1);
+ ntuple2->SetMarkerColor(kRed);
+ ntuple2->SetMarkerStyle(20);
+ ntuple2->SetMarkerSize(0.6);
+ ntuple2->Draw("nhits:ndet","");
+ c1->cd(2);
+ ntuple2->SetMarkerColor(kBlue);
+ ntuple2->Draw("ndig:ndet","");
+ c1->cd(3);
+ ntuple2->SetMarkerColor(6);
+ ntuple2->Draw("nclus:ndet","");
+
+//----------------------------------------------------- page 2
+
+ TCanvas *c2 = new TCanvas("c2","Cluster Lengths",200,10,700,780);
+ //
+ // Inside this canvas, we create 4 pads
+ //
+ pad1 = new TPad("pad1","xdim layer1" ,0.01,0.51,0.49,0.99,10);
+ pad2 = new TPad("pad2","zdim layer1" ,0.51,0.51,0.99,0.99,10);
+ pad3 = new TPad("pad3","xdim layer2" ,0.01,0.01,0.49,0.49,10);
+ pad4 = new TPad("pad4","zdim layer2" ,0.51,0.01,0.99,0.49,10);
+ pad1->Draw();
+ pad2->Draw();
+ pad3->Draw();
+ pad4->Draw();
+//
+ gStyle->SetStatW(0.40);
+ gStyle->SetStatH(0.20);
+ gStyle->SetStatColor(42);
+ gStyle->SetOptStat(111110);
+// gStyle->SetOptFit(1);
+
+ pad1->cd();
+ pad1->SetLogy();
+ hist1n1->Draw();
+ hist1n1->SetLineWidth(2);
+ hist1n1->SetLineColor(kRed);
+ hist1n1->GetXaxis()->SetNdivisions(110);
+ hist1n1->GetYaxis()->SetLabelSize(0.06);
+ c2->Update();
+ //
+ pad2->cd();
+ pad2->SetLogy();
+ hist2n1->Draw();
+ hist2n1->SetLineWidth(2);
+ hist2n1->SetLineColor(kRed);
+ hist2n1->GetXaxis()->SetNdivisions(110);
+ hist2n1->GetYaxis()->SetLabelSize(0.06);
+ c2->Update();
+ //
+ pad3->cd();
+ pad3->SetLogy();
+ hist1n2->Draw();
+ hist1n2->SetLineWidth(2);
+ hist1n2->SetLineColor(kBlue);
+ hist1n2->GetXaxis()->SetNdivisions(110);
+ hist1n2->GetYaxis()->SetLabelSize(0.06);
+ c2->Update();
+ //
+ pad4->cd();
+ pad4->SetLogy();
+ hist2n2->Draw();
+ hist2n2->SetLineColor(kBlue);
+ hist2n2->SetLineWidth(2);
+ hist2n2->GetXaxis()->SetNdivisions(110);
+ hist2n2->GetYaxis()->SetLabelSize(0.06);
+ c2->Update();
+ //
+//----------------------------------------------------- page 3
+
+ TCanvas *c3 = new TCanvas("c3","Resolutions",200,10,700,780);
+ //
+ // Inside this canvas, we create 4 pads
+ //
+ pad1 = new TPad("pad1","xdiff layer1" ,0.01,0.51,0.49,0.99,10);
+ pad2 = new TPad("pad2","zdiff layer1" ,0.51,0.51,0.99,0.99,10);
+ pad3 = new TPad("pad3","xdiff layer2" ,0.01,0.01,0.49,0.49,10);
+ pad4 = new TPad("pad4","zdiff layer2" ,0.51,0.01,0.99,0.49,10);
+ pad1->Draw();
+ pad2->Draw();
+ pad3->Draw();
+ pad4->Draw();
+//
+ gStyle->SetStatW(0.20);
+ gStyle->SetStatH(0.20);
+ gStyle->SetStatColor(42);
+ gStyle->SetOptStat(0);
+ gStyle->SetOptFit(1);
+
+ pad1->cd();
+ hist1->Draw();
+ hist1->SetLineColor(kRed);
+ hist1->Fit("gaus");
+ c3->Update();
+ //
+ pad2->cd();
+ hist2->Draw();
+ hist2->SetLineColor(kRed);
+ hist2->Fit("gaus");
+ c3->Update();
+ //
+ pad3->cd();
+ hist3->Draw();
+ hist3->SetLineColor(kBlue);
+ hist3->Fit("gaus");
+ c3->Update();
+ //
+ pad4->cd();
+ hist4->Draw();
+ hist4->SetLineColor(kBlue);
+ hist4->Fit("gaus");
+ c3->Update();
+
+//----------------------------------------------------- page 4
+ TCanvas *c4 = new TCanvas("c4","Cluster Shape Analysis",200,10,700,780);
+//
+gStyle->SetOptStat(0);
+c4->SetFillColor(0);
+c4->Divide(1,2);
+
+ c4->cd(1);
+ c4_1->SetLogy();
+ histsp1->Draw();
+ c4->cd(2);
+ c4_2->Divide(2,1);
+ c4_2->cd(1);
+ histsp2->Draw("box");
+ c4_2->cd(2);
+ clustershape();
+
+
+
+
+//================== Store the histograms ===================================
+
+ //to write the histograms into a .root file
+ TFile outfile(fileout,"RECREATE");
+
+ ntuple->Write();
+ ntuple2->Write();
+ hist1n1->Write();
+ hist2n1->Write();
+ hist3n1->Write();
+ hist4n1->Write();
+ hist5n1->Write();
+ hist7n1->Write();
+ hist8n1->Write();
+ hist1n2->Write();
+ hist2n2->Write();
+ hist3n2->Write();
+ hist4n2->Write();
+ hist5n2->Write();
+ hist7n2->Write();
+ hist8n2->Write();
+ hist1->Write();
+ hist2->Write();
+ hist3->Write();
+ hist4->Write();
+ hist5->Write();
+ hist6->Write();
+ hist6b->Write();
+ hist6p->Write();
+ hist6b1->Write();
+ hist6p1->Write();
+ hist6p2->Write();
+ hist11n1->Write();
+ hist11n2->Write();
+ hist12n1->Write();
+ hist12n2->Write();
+ hist13n1->Write();
+ hist13n2->Write();
+ hist14n1->Write();
+ hist14n2->Write();
+ histsp1->Write();
+ histsp2->Write();
+
+ outfile->Close();
+}
+//-----------------------------------------------------------------
+
+
+
+void clustershape(){
+ //
+ //macro to display the legend of the cluster shape analysis plot
+ //
+
+ TPad *pad1 = new TPad("pad1", "This is pad2",0,0,1,1);
+ pad1->Draw();
+ pad1->cd();
+ pad1->Range(0,0.25,1,1);
+ pad1->SetFillColor(0);
+ pad1->SetBorderSize(1);
+
+//------------------------------------------
+ Float_t yfirst= 0.95;
+ Float_t ysh = 0.05;
+ Float_t ysiz = 0.02;
+ Float_t ynum = 0.005;
+//------------------------------------------
+
+ //bin 1
+ TLatex *tex = new TLatex(0.12,yfirst,"1");
+ tex->SetTextSize(0.07);
+ tex->SetLineWidth(2);
+ tex->Draw();
+ TPave *pave = new TPave(0.3,yfirst,0.5,yfirst+ysiz,1,"br");
+ pave->SetFillColor(18);
+ pave->SetLineWidth(2);
+ pave->Draw();
+
+ //bin 2
+ yfirst=yfirst-ysh;
+ TLatex *tex = new TLatex(0.12,yfirst,"2");
+ tex->SetTextSize(0.07);
+ tex->SetLineWidth(2);
+ tex->Draw();
+ TPave *pave = new TPave(0.3,yfirst,0.5,yfirst+ysiz,1,"br");
+ pave->SetFillColor(18);
+ pave->SetLineWidth(2);
+ pave->Draw();
+ TPave *pave = new TPave(0.5,yfirst,0.7,yfirst+ysiz,1,"br");
+ pave->SetFillColor(18);
+ pave->SetLineWidth(2);
+ pave->Draw();
+
+ //bin 3
+ yfirst=yfirst-ysh;
+ TLatex *tex = new TLatex(0.12,yfirst-ynum,"3");
+ tex->SetTextSize(0.07);
+ tex->SetLineWidth(2);
+ tex->Draw();
+ TPave *pave = new TPave(0.3,yfirst,0.5,yfirst+ysiz,1,"br");
+ pave->SetFillColor(18);
+ pave->SetLineWidth(2);
+ pave->Draw();
+ TPave *pave = new TPave(0.3,yfirst,0.5,yfirst-ysiz,1,"br");
+ pave->SetFillColor(18);
+ pave->SetLineWidth(2);
+ pave->Draw();
+
+ //bin 4
+ yfirst=yfirst-1.8*ysh;
+ TLatex *tex = new TLatex(0.12,yfirst+3*ynum,"4");
+ tex->SetTextSize(0.07);
+ tex->SetLineWidth(2);
+ tex->Draw();
+ TPave *pave = new TPave(0.3,yfirst,0.5,yfirst+ysiz,1,"br");
+ pave->SetFillColor(18);
+ pave->SetLineWidth(2);
+ pave->Draw();
+ TPave *pave = new TPave(0.5,yfirst+ysiz,0.7,yfirst+2*ysiz,1,"br");
+ pave->SetFillColor(18);
+ pave->SetLineWidth(2);
+ pave->Draw();
+
+ //bin 5
+ yfirst=yfirst-1.5*ysh;
+ TLatex *tex = new TLatex(0.12,yfirst+3*ynum,"5");
+ tex->SetTextSize(0.07);
+ tex->SetLineWidth(2);
+ tex->Draw();
+ TPave *pave = new TPave(0.3,yfirst,0.5,yfirst+ysiz,1,"br");
+ pave->SetFillColor(18);
+ pave->SetLineWidth(2);
+ pave->Draw();
+ TPave *pave = new TPave(0.5,yfirst,0.7,yfirst+ysiz,1,"br");
+ pave->SetFillColor(18);
+ pave->SetLineWidth(2);
+ pave->Draw();
+ TPave *pave = new TPave(0.5,yfirst+ysiz,0.7,yfirst+2*ysiz,1,"br");
+ pave->SetFillColor(18);
+ pave->SetLineWidth(2);
+ pave->Draw();
+
+ //bin 6
+ yfirst=yfirst-1.5*ysh;
+ TLatex *tex = new TLatex(0.12,yfirst+ynum,"6");
+ tex->SetTextSize(0.07);
+ tex->SetLineWidth(2);
+ tex->Draw();
+ TPave *pave = new TPave(0.3,yfirst,0.5,yfirst+ysiz,1,"br");
+ pave->SetFillColor(18);
+ pave->SetLineWidth(2);
+ pave->Draw();
+ TPave *pave = new TPave(0.5,yfirst,0.7,yfirst+ysiz,1,"br");
+ pave->SetFillColor(18);
+ pave->SetLineWidth(2);
+ pave->Draw();
+ TPave *pave = new TPave(0.7,yfirst,0.9,yfirst+ysiz,1,"br");
+ pave->SetFillColor(18);
+ pave->SetLineWidth(2);
+ pave->Draw();
+
+ //bin 7
+ yfirst=yfirst-2*ysh;
+ TLatex *tex = new TLatex(0.12,yfirst+ysiz+ynum,"7");
+ tex->SetTextSize(0.07);
+ tex->SetLineWidth(2);
+ tex->Draw();
+ TPave *pave = new TPave(0.3,yfirst,0.5,yfirst+ysiz,1,"br");
+ pave->SetFillColor(18);
+ pave->SetLineWidth(2);
+ pave->Draw();
+ TPave *pave = new TPave(0.3,yfirst+ysiz,0.5,yfirst+2*ysiz,1,"br");
+ pave->SetFillColor(18);
+ pave->SetLineWidth(2);
+ pave->Draw();
+ TPave *pave = new TPave(0.3,yfirst+2*ysiz,0.5,yfirst+3*ysiz,1,"br");
+ pave->SetFillColor(18);
+ pave->SetLineWidth(2);
+ pave->Draw();
+
+ //bin 8
+ yfirst=yfirst-1.5*ysh;
+ TLatex *tex = new TLatex(0.12,yfirst+ynum,"8");
+ tex->SetTextSize(0.07);
+ tex->SetLineWidth(2);
+ tex->Draw();
+ TPave *pave = new TPave(0.3,yfirst,0.5,yfirst+ysiz,1,"br");
+ pave->SetFillColor(18);
+ pave->SetLineWidth(2);
+ pave->Draw();
+ TPave *pave = new TPave(0.5,yfirst+ysiz,0.7,yfirst+2*ysiz,1,"br");
+ pave->SetFillColor(18);
+ pave->SetLineWidth(2);
+ pave->Draw();
+ TPave *pave = new TPave(0.7,yfirst+2*ysiz,0.9,yfirst+3*ysiz,1,"br");
+ pave->SetFillColor(18);
+ pave->SetLineWidth(2);
+ pave->Draw();
+
+ //bin 9
+ yfirst=yfirst-1.5*ysh;
+ TLatex *tex = new TLatex(0.12,yfirst+ynum,"9");
+ tex->SetTextSize(0.07);
+ tex->SetLineWidth(2);
+ tex->Draw();
+ TPave *pave = new TPave(0.3,yfirst,0.5,yfirst+ysiz,1,"br");
+ pave->SetFillColor(18);
+ pave->SetLineWidth(2);
+ pave->Draw();
+ TPave *pave = new TPave(0.5,yfirst,0.7,yfirst+ysiz,1,"br");
+ pave->SetFillColor(18);
+ pave->SetLineWidth(2);
+ pave->Draw();
+ TPave *pave = new TPave(0.7,yfirst+ysiz,0.9,yfirst+2*ysiz,1,"br");
+ pave->SetFillColor(18);
+ pave->SetLineWidth(2);
+ pave->Draw();
+
+ //bin 10
+ yfirst=yfirst-1.5*ysh;
+ TLatex *tex = new TLatex(0.12,yfirst-ynum,"10");
+ tex->SetTextSize(0.07);
+ tex->SetLineWidth(2);
+ tex->Draw();
+ TPave *pave = new TPave(0.3,yfirst-ysiz,0.5,yfirst,1,"br");
+ pave->SetFillColor(18);
+ pave->SetLineWidth(2);
+ pave->Draw();
+ TPave *pave = new TPave(0.3,yfirst,0.5,yfirst+ysiz,1,"br");
+ pave->SetFillColor(18);
+ pave->SetLineWidth(2);
+ pave->Draw();
+ TPave *pave = new TPave(0.5,yfirst+ysiz,0.7,yfirst+2*ysiz,1,"br");
+ pave->SetFillColor(18);
+ pave->SetLineWidth(2);
+ pave->Draw();
+}
+