+++ /dev/null
-//Christine Nattrass, University of Tennessee at Knoxville
-//This macro is for calculating the correction for the pT cut-off and its systematic error
-//Uses the output of AliAnalysisTaskHadEt
-//This is not actually what gets used in the correction class AliAnalysisHadEtCorrections - that is done in the macro GetCorrections.C - but this is useful for making plots and playing around with different options
-
-float mean=0;
-float highbound=0;
-float lowbound=0;
-float syserr = 0;
-
-TH1D *GetHisto(float ptcut = 0.15, char *name, char *filename, float etacut){
- TFile *file = new TFile(filename);
- TList *list = file->FindObject("out2");
- //TH2F *allhad = ((TH2F*) out2->FindObject("EtSimulatedAllHadron"))->Clone("allhad");
- TH2F *allhad = ((TH2F*) out2->FindObject("EtSimulatedChargedHadron"))->Clone("allhad");
- TH2F *ptlow = ((TH2F*) out2->FindObject("EtSimulatedChargedHadronAssumingNoPt"))->Clone("ptlow");
- TH2F *pthigh;
- if(ptcut>0.14){//TPC cut off
- (TH2F*)pthigh =(TH2F*) ((TH2F*) out2->FindObject("EtSimulatedChargedHadronAssumingPtTPCCut"))->Clone("pthigh");
- }
- else{
- (TH2F*)pthigh =(TH2F*) ((TH2F*) out2->FindObject("EtSimulatedChargedHadronAssumingPtITSCut"))->Clone("pthigh");
- }
-
- int lowbin = allhad->GetXaxis()->FindBin(0.0);//make sure we don't accidentally get the wrong bin
- int highbin = allhad->GetXaxis()->FindBin(ptcut);
- int nbins = allhad->GetXaxis()->GetNbins();
- cout<<"Projecting from "<<allhad->GetXaxis()->GetBinLowEdge(lowbin)<<" to "<<allhad->GetXaxis()->GetBinLowEdge(highbin+1)<<endl;
- cout<<"Projecting from "<<allhad->GetXaxis()->GetBinLowEdge(lowbin)<<" to "<<allhad->GetXaxis()->GetBinLowEdge(nbins)<<endl;
-
- //allhad->Sumw2();
-
-
- TH1D *numerator = allhad->ProjectionY("name",lowbin,highbin);
- TH1D *denominator = allhad->ProjectionY("denominator",lowbin,nbins);
- TH1D *numeratorLow = ptlow->ProjectionY("nameLow",lowbin,highbin);
- TH1D *denominatorLow = allhad->ProjectionY("denominatorLow",highbin,nbins);
- denominatorLow->Add(ptlow);
- TH1D *numeratorHigh = pthigh->ProjectionY("nameHigh",lowbin,highbin);
- TH1D *denominatorHigh = allhad->ProjectionY("denominatorHigh",highbin,nbins);
- denominatorHigh->Add(pthigh);
-
- numerator->Divide(denominator);
- numeratorLow->Divide(denominatorLow);
- numeratorHigh->Divide(denominatorHigh);
-
- TF1 *funcLow = new TF1("funcLow","[0]",-.7,.7);
- funcLow->SetParameter(0,0.01);
- numeratorLow->Fit(funcLow);
- TF1 *func = new TF1("func","[0]",-.7,.7);
- func->SetParameter(0,0.02);
- numerator->Fit(func);
- TF1 *funcHigh = new TF1("funcHigh","[0]",-.7,.7);
- funcHigh->SetParameter(0,0.02);
- numeratorHigh->Fit(funcHigh);
-
- mean = 1.0-func->GetParameter(0);
- lowbound = 1.0-funcHigh->GetParameter(0);
- highbound = 1.0-funcLow->GetParameter(0);
- cout<<"fpTcut = "<<mean<<","<<lowbound<<","<<highbound<<endl;
- cout<<"1/fpTcut = "<<1.0/mean<<","<<1.0/lowbound<<","<<1.0/highbound<<endl;
- //cout<<"fpTcut = "<<mean<<"-"<<mean-lowbound<<"+"<<highbound-mean<<endl;
- syserr = highbound-mean;
- if(mean-lowbound>syserr) syserr = mean-lowbound;
- cout<<Form("%2.4f^{+%2.4f}_{-%2.4f}",mean,highbound-mean,mean-lowbound)<<endl;
- cout<<"latex here ";
- cout<<Form("%2.4f \\pm %2.4f",mean,syserr)<<endl;
- cout<<"1/fpTcut = "<<1.0/mean<<"+"<<1.0/lowbound-1.0/mean<<"-"<<1.0/mean-1.0/highbound<<endl;
- numerator->SetYTitle("E_{T}^{had, p_{T}<cut-off}/E_{T}^{had, all p_{T}}");
- numerator->GetYaxis()->SetTitleOffset(1.);
- numerator->GetYaxis()->SetTitleSize(0.08);
- numerator->GetYaxis()->SetLabelSize(0.05);
- numerator->GetXaxis()->SetTitleSize(0.08);
- numerator->GetXaxis()->SetLabelSize(0.05);
- numerator->GetXaxis()->SetTitleOffset(.6);
- //numerator->Rebin(2);
- //numerator->Scale(0.5);
- //numerator->Draw("e");
- return numerator;
-
-}
-void CorrPtCut(char *prodname = "LHC10d4 PYTHIA D6T 7 TeV p+p", char *shortprodname = "LHC10d4", char *filename="Et.ESD.new.sim.LHC10d4.pp.merged.root"){
-
- gStyle->SetOptTitle(0);
- gStyle->SetOptStat(0);
- gStyle->SetOptFit(0);
- TCanvas *c = new TCanvas("c","c",500,400);
- c->SetTopMargin(0.04);
- c->SetRightMargin(0.04);
- c->SetLeftMargin(0.181452);
- c->SetBottomMargin(0.134409);
- c->SetBorderSize(0);
- c->SetFillColor(0);
- c->SetFillColor(0);
- c->SetBorderMode(0);
- c->SetFrameFillColor(0);
- c->SetFrameBorderMode(0);
- float etacut = 0.7;
- cout<<"Pt cut = 150 MeV/c"<<endl;
- TH1D *High = GetHisto(0.15-.001,"High",filename,etacut);
- float tpcHigh=highbound;
- float tpcLow=lowbound;
- float tpcsyserr = syserr;
- float tpcmean = mean;
- float x1 = High->GetXaxis()->GetBinLowEdge(1);
- //TBox *tpcBox = new TBox(-x1*.99,1.0-tpcLow,x1*.99,1.0-tpcHigh);
- TBox *tpcBox = new TBox(-x1*.99,1.0-(mean-syserr),x1*.99,1.0-(mean+syserr));
- tpcBox->SetFillColor(5);
- tpcBox->SetLineColor(0);
- tpcBox->SetFillStyle(1001);
- cout<<"Pt cut = 100 MeV/c"<<endl;
- TH1D *Low = GetHisto(0.1-.001,"Low",filename,etacut);
- float itsHigh=highbound;
- float itsLow=lowbound;
- float itssyserr = syserr;
- float itsmean = mean;
-
- cout<<Form("dataset & %2.4f \\pm %2.4f & %2.4f \\pm %2.4f \\",itsmean,itssyserr,tpcmean,tpcsyserr)<<endl;
- float x = Low->GetXaxis()->GetBinLowEdge(1);
- //TBox *itsBox = new TBox(-x*.99,1.0-itsLow,x*.99,1.0-itsHigh);
- TBox *itsBox = new TBox(-x1*.99,1.0-(mean-syserr),x1*.99,1.0-(mean+syserr));
- itsBox->SetFillColor(5);
- itsBox->SetLineColor(0);
- itsBox->SetFillStyle(1001);
- cout<<"Pt cut = 50 MeV/c"<<endl;
- TH1D *Lowest = GetHisto(0.05-.001,"Lowest",filename,etacut);
- TF1 *funcLow = new TF1("funcLow","[0]",-.7,.7);
- funcLow->SetParameter(0,0.01);
- Low->Fit(funcLow);
- TF1 *funcHigh = new TF1("funcHigh","[0]",-.7,.7);
- funcHigh->SetParameter(0,0.02);
- High->Fit(funcLow);
- High->SetMaximum(0.06);
- High->SetMinimum(0.0);
- High->SetMarkerColor(2);
- Low->SetMarkerColor(4);
- High->SetLineColor(2);
- Low->SetLineColor(4);
- High->SetMinimum(0.0);
- High->SetMarkerStyle(20);
- Low->SetMarkerStyle(21);
- Lowest->SetMarkerStyle(22);
- High->Draw();
- tpcBox->Draw("f");
- High->Draw("same");
- itsBox->Draw("f");
- //return;
- Low->Draw("same");
- //Lowest->Draw("same");
- TLatex *tex = new TLatex(-0.723444,0.0373593+0.019,prodname);
- tex->SetTextSize(0.0537634);
- tex->Draw();
- TLegend *leg = new TLegend(0.217742,0.696237,0.477823,0.873656);
- leg->AddEntry(High,"p_{T} cut-off = 0.15 GeV/c");
- leg->AddEntry(Low,"p_{T} cut-off = 0.1 GeV/c");
- //leg->AddEntry(Lowest,"p_{T} cut-off = 0.05 GeV/c");
- leg->SetFillStyle(0);
- leg->SetFillColor(0);
- leg->SetBorderSize(0);
- leg->SetTextSize(0.0537634);
- leg->Draw();
- c->SaveAs(Form("pics/%s/fptcut.eps",shortprodname));
- c->SaveAs(Form("pics/%s/fptcut.png",shortprodname));
- c->SaveAs(Form("pics/%s/fptcut.pdf",shortprodname));
-}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff