+++ /dev/null
-//____________________________________________________________________
-AliFMDAnaCalibEnergyDistribution*
-ViewEDCor(const char* filename)
-{
- // gSystem->Load("libANALYSIS");
- // gSystem->Load("libANALYSISalice");
- // gSystem->Load("libPWG0base");
- // gSystem->Load("libPWG2forward");
-
- AliFMDAnaParameters* param = AliFMDAnaParameters::Instance();
- param->SetEnergy(900.F);
- param->SetCollisionSystem("pp");
- param->SetMagField(+5.F);
- param->Init(kTRUE,AliFMDAnaParameters::kBackgroundCorrection);
-
- TFile* file = TFile::Open(filename, "READ");
- if (!file) {
- Error("ViewEDCor", "Cannot open file %s", filename);
- return 0;
- }
-
- AliFMDAnaCalibEnergyDistribution* bg =
- static_cast<AliFMDAnaCalibEnergyDistribution*>(file->Get("energydistributions"));
-
- return bg;
-}
-
-
-//____________________________________________________________________
-struct RingHistos
-{
- TH1D* MakeHisto(const char* name, const char* title,
- const TAxis* etaAxis)
- {
- TH1D* ret = new TH1D(Form(name, fD, fR),
- Form(title, fD, fR),
- etaAxis->GetNbins(),
- etaAxis->GetXmin(),
- etaAxis->GetXmax());
- ret->SetDirectory(0);
- ret->SetLineColor(fC);
- ret->SetMarkerColor(fC);
- ret->SetMarkerStyle(20+2*fD+(fR == 'I' || fR == 'i' ? 0 : 1));
- ret->SetFillColor(fC);
- ret->SetFillStyle(3001);
- ret->SetXTitle("#eta");
- ret->SetYTitle(title);
- ret->SetStats(0);
- return ret;
- }
-
-
- RingHistos(UShort_t d, Char_t r, const TAxis* etaAxis, Int_t c)
- : fD(d), fR(r), fC(c)
- {
- fHists.AddAt(MakeHisto("c%d%c", "Constant FMD%d%c", etaAxis),0);
- fHists.AddAt(MakeHisto("mpv%d%c", "MPV FMD%d%c", etaAxis),1);
- fHists.AddAt(MakeHisto("w%d%c", "Width FMD%d%c", etaAxis),2);
- fHists.AddAt(MakeHisto("alpha%d%c", "#alpha FMD%d%c", etaAxis),3);
- fHists.AddAt(MakeHisto("beta%d%c", "#beta FMD%d%c", etaAxis),4);
- fHists.AddAt(MakeHisto("chi%d%c", "#chi^{2}/#nu FMD%d%c", etaAxis),5);
- fHists.AddAt(MakeHisto("acc%d%c", "Acceptance in FMD%d%c", etaAxis),6);
- }
- void Fill(Int_t iEta, Int_t p, Double_t v, Double_t e=0)
- {
- TH1D* h = Get(p);
- if (!h) return;
- h->SetBinContent(iEta, v);
- h->SetBinError(iEta, e);
- }
- TH1D* Get(Int_t p) const
- {
- return static_cast<TH1D*>(fHists.At(p));
- }
- UShort_t fD;
- Char_t fR;
- Int_t fC;
- TObjArray fHists;
-};
-
-//____________________________________________________________________
-struct All
-{
- All(const TAxis* etaAxis)
- {
- fFMD1i = new RingHistos(1,'i', etaAxis, kRed+1);
- fFMD2i = new RingHistos(2,'i', etaAxis, kGreen+1);
- fFMD2o = new RingHistos(2,'o', etaAxis, kGreen+7);
- fFMD3i = new RingHistos(3,'i', etaAxis, kBlue+1);
- fFMD3o = new RingHistos(3,'o', etaAxis, kBlue+7);
- }
- RingHistos* Get(UShort_t d, Char_t r) const
- {
- switch (d) {
- case 1: return fFMD1i;
- case 2: return (r == 'I' || r == 'i' ? fFMD2i : fFMD2o);
- case 3: return (r == 'I' || r == 'i' ? fFMD3i : fFMD3o);
- }
- return 0;
- }
- RingHistos* fFMD1i;
- RingHistos* fFMD2i;
- RingHistos* fFMD2o;
- RingHistos* fFMD3i;
- RingHistos* fFMD3o;
-};
-
-//____________________________________________________________________
-PlotEDCor(const char* filename)
-{
- AliFMDAnaCalibEnergyDistribution* ed = ViewEDCor(filename);
-
- AliFMDAnaParameters* param = AliFMDAnaParameters::Instance();
-
- TAxis* etaAxis = param->GetBackgroundCorrection(1,'I',4)->GetXaxis();
- All* all = new All(etaAxis);
-
- for (Int_t iEta = 1; iEta < etaAxis->GetNbins(); iEta++) {
- Float_t eta = etaAxis->GetBinCenter(iEta);
- Info("PlotEDCor", "eta bin %3d, eta=%f", iEta, eta);
-
- for (UShort_t d=1; d <= 3; d++) {
- UShort_t nq = d == 1 ? 1 : 2;
- for (UShort_t q = 0; q < nq; q++) {
- Char_t r = q == 0 ? 'I' : 'O';
- RingHistos* hists = all->Get(d, r);
- if (!hists) continue;
-
- TH1F* hed = ed->GetEnergyDistribution(d, r, eta);
- if (!hed) continue;
-
- if (hed->GetEntries() > 0)
- hists->Fill(iEta, 6, 1);
-
- TF1* fed = hed->GetFunction("FMDfitFunc");
- if (!fed) continue;
-
- Int_t npar = fed->GetNpar();
- for (Int_t i = 0; i < npar; i++) {
- Double_t par = fed->GetParameter(i);
- Double_t err = fed->GetParError(i);
- hists->Fill(iEta, i, par, err);
- }
- Double_t chi2 = fed->GetChisquare();
- Double_t ndf = fed->GetNDF();
- if (ndf != 0)
- hists->Fill(iEta, 5, chi2/ndf);
- }
- }
- }
-
- TCanvas* c = new TCanvas("c", "c", 800, 800);
- c->SetFillColor(0);
- c->SetBorderMode(0);
- c->SetBorderSize(0);
- c->Divide(1,7,0,0);
-
- THStack* stack = 0;
-
- const char* yTitles[] = { "Constant", "#Delta_{p}", "w",
- "#alpha", "#beta", "#chi^2/NDF",
- "Acceptance" };
- for (Int_t i = 0; i < 7; i++) {
- TVirtualPad* p = c->cd(i+1);
- p->SetFillColor(0);
- p->SetFillStyle(0);
- THStack* stack = new THStack;
- stack->Add(all->Get(1,'i')->Get(i));
- stack->Add(all->Get(2,'i')->Get(i));
- stack->Add(all->Get(2,'o')->Get(i));
- stack->Add(all->Get(3,'i')->Get(i));
- stack->Add(all->Get(3,'o')->Get(i));
- stack->Draw("nostack");
- stack->GetHistogram()->SetYTitle(yTitles[i]);
- stack->GetHistogram()->SetXTitle("#eta");
- TAxis* yaxis = stack->GetHistogram()->GetYaxis();
- yaxis->SetTitleSize(0.15);
- yaxis->SetLabelSize(0.08);
- yaxis->SetTitleOffset(0.35);
- yaxis->SetNdivisions(10);
- TAxis* xaxis = stack->GetHistogram()->GetXaxis();
- xaxis->SetTitleSize(0.15);
- xaxis->SetLabelSize(0.08);
- xaxis->SetTitleOffset(0.35);
- xaxis->SetNdivisions(320);
- p->cd();
- }
- c->cd();
- c->Print("energyDist.png");
-}
-//____________________________________________________________________
-//
-// EOF
-//
-
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff