pngName += ".NegativePositive.png";
cNP->SaveAs(pngName.Data());
+ fitCorrelationFunctions(gCentrality, psiMin, psiMax,
+ ptTriggerMin,ptTriggerMax,
+ ptAssociatedMin, ptAssociatedMax,gHistNP);
//============================================================//
//Get the ++ correlation function
TH2D *gHistPP = dynamic_cast<TH2D *>(f->Get("gHistPPCorrelationFunctions"));
pngName += ".PositivePositive.png";
cPP->SaveAs(pngName.Data());
+ fitCorrelationFunctions(gCentrality, psiMin, psiMax,
+ ptTriggerMin,ptTriggerMax,
+ ptAssociatedMin, ptAssociatedMax,gHistPP);
//============================================================//
//Get the -- correlation function
TH2D *gHistNN = dynamic_cast<TH2D *>(f->Get("gHistNNCorrelationFunctions"));
pngName += Form("%.1f",ptAssociatedMax);
pngName += ".NegativeNegative.png";
cNN->SaveAs(pngName.Data());
+
+ fitCorrelationFunctions(gCentrality, psiMin, psiMax,
+ ptTriggerMin,ptTriggerMax,
+ ptAssociatedMin, ptAssociatedMax,gHistNN);
}
//____________________________________________________________//
//longitudinal ridge: [8]*TMath::Exp(-TMath::Power((0.5*TMath::Power((x/[9]),2)),[10]))
//wing structures: [11]*TMath::Power(x,2)
//flow contribution (v1 up to v4): 2.*([12]*TMath::Cos(y) + [13]*TMath::Cos(2.*y) + [14]*TMath::Cos(3.*y) + [15]*TMath::Cos(4.*y))
- TF2 *gFitFunction = new TF2("gFitFunction","[0]+[1]*TMath::Exp(-TMath::Power((0.5*TMath::Power((x/[2]),2)+0.5*TMath::Power((y/[3]),2)),[4]))+[5]*TMath::Exp(-TMath::Power((0.5*TMath::Power(((y-TMath::Pi())/[6]),2)),[7]))+[8]*TMath::Exp(-TMath::Power((0.5*TMath::Power((x/[9]),2)),[10]))+[11]*TMath::Power(x,2)+2.*[12]*([13]*TMath::Cos(y) + [14]*TMath::Cos(2.*y) + [15]*TMath::Cos(3.*y) + [16]*TMath::Cos(4.*y))",-2.0,2.0,-TMath::Pi()/2.,3.*TMath::Pi()/2.);
+ TF2 *gFitFunction = new TF2("gFitFunction","[0]+[1]*TMath::Exp(-TMath::Power((0.5*TMath::Power((x/[2]),2)+0.5*TMath::Power((y/[3]),2)),[4]))+[5]*TMath::Exp(-TMath::Power((0.5*TMath::Power(((y-TMath::Pi())/[6]),2)),[7]))+[8]*TMath::Exp(-TMath::Power((0.5*TMath::Power(((x+[17])/[9]),2)),[10]))+[8]*TMath::Exp(-TMath::Power((0.5*TMath::Power(((x-[17])/[9]),2)),[10]))+[11]*TMath::Power(x,2)+2.*[12]*([13]*TMath::Cos(y) + [14]*TMath::Cos(2.*y) + [15]*TMath::Cos(3.*y) + [16]*TMath::Cos(4.*y))",-2.0,2.0,-TMath::Pi()/2.,3.*TMath::Pi()/2.);
gFitFunction->SetName("gFitFunction");
//Normalization
- gFitFunction->SetParName(0,"N1"); gFitFunction->SetParameter(0,1.0);
+ gFitFunction->SetParName(0,"N1"); gFitFunction->SetParameter(0,1.0);//gFitFunction->SetParLimits(0,0.0,100);
//near side peak
- gFitFunction->SetParName(1,"N_{near side}"); gFitFunction->SetParameter(1,0.3);
- gFitFunction->SetParName(2,"Sigma_{near side}(delta eta)"); gFitFunction->SetParameter(2,0.3);
- gFitFunction->SetParName(3,"Sigma_{near side}(delta phi)"); gFitFunction->SetParameter(3,0.1);
- gFitFunction->SetParName(4,"Exponent_{near side}"); gFitFunction->SetParameter(4,1.1);
+ gFitFunction->SetParName(1,"N_{near side}"); gFitFunction->SetParameter(1,0.3);//gFitFunction->SetParLimits(1,0.0,100);//gFitFunction->FixParameter(1,0.0);
+ gFitFunction->SetParName(2,"Sigma_{near side}(delta eta)"); gFitFunction->SetParameter(2,0.3);gFitFunction->SetParLimits(2,0.01,0.7);//gFitFunction->FixParameter(2,0.0);
+ gFitFunction->SetParName(3,"Sigma_{near side}(delta phi)"); gFitFunction->SetParameter(3,0.3);gFitFunction->SetParLimits(3,0.01,1.7);//gFitFunction->FixParameter(3,0.0);
+ gFitFunction->SetParName(4,"Exponent_{near side}"); gFitFunction->SetParameter(4,1.1);//gFitFunction->SetParLimits(4,0.1,10.0);
+ gFitFunction->FixParameter(4,1.0);
//away side ridge
- gFitFunction->SetParName(5,"N_{away side}"); gFitFunction->SetParameter(5,0.1);
- gFitFunction->SetParName(6,"Sigma_{away side}(delta phi)"); gFitFunction->SetParameter(6,1.1);
- gFitFunction->SetParName(7,"Exponent_{away side}"); gFitFunction->SetParameter(7,1.0);
- //longitudianl ridge
- gFitFunction->SetParName(8,"N_{long. ridge}"); gFitFunction->SetParameter(8,0.05);
- gFitFunction->SetParName(9,"Sigma_{long. ridge}(delta eta)"); gFitFunction->SetParameter(9,0.6);
- gFitFunction->SetParName(10,"Exponent_{long. ridge}"); gFitFunction->SetParameter(10,1.0);
+ gFitFunction->SetParName(5,"N_{away side}"); gFitFunction->SetParameter(5,1.0);//gFitFunction->SetParLimits(5,0.0,100);gFitFunction->FixParameter(5,0.0);
+ gFitFunction->SetParName(6,"Sigma_{away side}(delta phi)"); gFitFunction->SetParameter(6,0.5);//gFitFunction->SetParLimits(6,0.01,100.0);gFitFunction->FixParameter(6,0.0);
+ gFitFunction->SetParName(7,"Exponent_{away side}"); gFitFunction->SetParameter(7,1.0);//gFitFunction->SetParLimits(7,0.1,10.0);
+ gFitFunction->FixParameter(7,1.0);
+ //longitudinal ridge
+ gFitFunction->SetParName(8,"N_{long. ridge}"); gFitFunction->SetParameter(8,0.05);//gFitFunction->FixParameter(8,1.0);
+ gFitFunction->SetParName(9,"Sigma_{long. ridge}(delta eta)"); gFitFunction->SetParameter(9,0.6);gFitFunction->SetParLimits(9,0.1,10.0);//gFitFunction->FixParameter(9,0.0);
+ gFitFunction->SetParName(10,"Exponent_{long. ridge}"); gFitFunction->SetParameter(10,1.0);gFitFunction->FixParameter(10,1.0);
//wing structures
- gFitFunction->SetParName(11,"N_{wing}"); gFitFunction->SetParameter(11,0.01);
+ gFitFunction->SetParName(11,"N_{wing}"); gFitFunction->SetParameter(11,0.01);gFitFunction->FixParameter(11,0.0);
//flow contribution
- gFitFunction->SetParName(12,"N_{flow}"); gFitFunction->SetParameter(12,0.2);
- gFitFunction->SetParName(13,"V1"); gFitFunction->SetParameter(13,0.005);
- gFitFunction->SetParName(14,"V2"); gFitFunction->SetParameter(14,0.1);
- gFitFunction->SetParName(15,"V3"); gFitFunction->SetParameter(15,0.05);
- gFitFunction->SetParName(16,"V4"); gFitFunction->SetParameter(16,0.005);
+ gFitFunction->SetParName(12,"N_{flow}"); gFitFunction->SetParameter(12,0.2);//gFitFunction->SetParLimits(12,0.0,10.0);//gFitFunction->FixParameter(12,0.0);
+ gFitFunction->SetParName(13,"V1"); gFitFunction->SetParameter(13,0.005);//gFitFunction->SetParLimits(13,0.0,10.0);//gFitFunction->FixParameter(13,0.0);
+ gFitFunction->SetParName(14,"V2"); gFitFunction->SetParameter(14,0.1);//gFitFunction->SetParLimits(14,0.0,10.0);//gFitFunction->FixParameter(14,0.0);
+ gFitFunction->SetParName(15,"V3"); gFitFunction->SetParameter(15,0.05);//gFitFunction->SetParLimits(15,0.0,10.0);//gFitFunction->FixParameter(15,0.0);
+ gFitFunction->SetParName(16,"V4"); gFitFunction->SetParameter(16,0.005);//gFitFunction->SetParLimits(16,0.0,10.0);//gFitFunction->FixParameter(16,0.0);
+ gFitFunction->SetParName(17,"Offset"); gFitFunction->SetParameter(17,0.005);gFitFunction->SetParLimits(16,0.0,0.7);//gFitFunction->FixParameter(17,0.0);
//Fitting the correlation function
gHist->Fit("gFitFunction","nm");
}
+
+
+
+// //____________________________________________________________//
+// void fitCorrelationFunctions(Int_t gCentrality = 1,
+// Double_t psiMin = -0.5, Double_t psiMax = 3.5,
+// Double_t ptTriggerMin = -1.,
+// Double_t ptTriggerMax = -1.,
+// Double_t ptAssociatedMin = -1.,
+// Double_t ptAssociatedMax = -1.,
+// TH2D *gHist) {
+
+// cout<<"FITTING FUNCTION (HOUSTON)"<<endl;
+
+// // Fit Function
+// //x axis = delta_eta
+// //y axis = delta_phi
+// // [9]*exp(-1*pow(((x/[10])^2 + (y/[10])^2),0.5)) Hyper expo
+// TF2 *fit1 = new TF2("fit1","[0] + [1]*cos(y) + [2]*cos(2*y) + [3]*cos(3*y) + [4]*cos(4*y) +[5]*cos(5*y)+ [6]*exp(-0.5*pow(((x/[7])^2 + (y/[8])^2),[11])) + [6]*exp(-0.5*pow(((x/[7])^2 + ((y-6.283)/[8])^2),[11]))+ [9]*exp(-1*((x/[10])^2 + (y/[10])^2)) ",-2.0,2.0,-TMath::Pi()/2.,3.*TMath::Pi()/2.);
+
+
+
+// Double_t Parameters[] = {0.0,0.0,0.0,0.0,0.0,0.0,1.0,0.3,0.3,1.0,0.1,0.1};
+
+// fit1->SetParameters(Parameters); // input pars from macro arguments
+
+// fit1->SetParName(0,"offset");
+// fit1->SetParName(1,"v1");
+// fit1->SetParName(2,"v2");
+// fit1->SetParName(3,"v3");
+// fit1->SetParName(4,"v4");
+// fit1->SetParName(5,"v5");
+// fit1->SetParName(6,"Ridgeamp");
+// fit1->SetParName(7,"Ridgesigx");
+// fit1->SetParName(8,"Ridgesigy");
+// fit1->SetParName(9,"Expoamp");
+// fit1->SetParName(10,"Exposig");
+// fit1->SetParName(11,"Gausspara");
+
+
+// //Fit Parameter Ranges
+// fit1->SetParLimits(0,-2.0,2.0); //offset
+// fit1->SetParLimits(1,-1.0,0.1); //v1
+// fit1->SetParLimits(2,-1.6,0.9); //v2
+// fit1->SetParLimits(3,0.0,0.5); //v3
+// fit1->SetParLimits(4,0.0,0.9); //v4
+// fit1->SetParLimits(5,0.0,0.9); //v5
+// fit1->SetParLimits(6,0.0,1.5); //Ridgeamp
+// fit1->SetParLimits(7,0.1,3.0); //Ridgesigx
+// fit1->SetParLimits(8,0.1,2.0); //Ridgesigy
+// fit1->SetParLimits(9,0.0,6.0); //Expoamp
+// fit1->SetParLimits(10,0.05,0.5); //Exposig
+// fit1->SetParLimits(11,0.0,2.0); //Gausspara
+
+// //Fitting the correlation function
+// gHist->Fit("fit1","nm");
+
+// //Cloning the histogram
+// TString histoName = gHist->GetName(); histoName += "Fit";
+// TH2D *gHistFit = new TH2D(histoName.Data(),";#Delta#eta;#Delta#varphi (rad);C(#Delta#eta,#Delta#varphi)",gHist->GetNbinsX(),gHist->GetXaxis()->GetXmin(),gHist->GetXaxis()->GetXmax(),gHist->GetNbinsY(),gHist->GetYaxis()->GetXmin(),gHist->GetYaxis()->GetXmax());
+// TH2D *gHistResidual = dynamic_cast<TH2D *>(gHist->Clone());
+// gHistResidual->SetName("gHistResidual");
+// gHistResidual->Sumw2();
+
+// for(Int_t iBinDeltaEta = 1; iBinDeltaEta <= gHist->GetNbinsX(); iBinDeltaEta++) {
+// for(Int_t iBinDeltaPhi = 1; iBinDeltaPhi <= gHist->GetNbinsY(); iBinDeltaPhi++) {
+// gHistFit->SetBinContent(iBinDeltaEta,iBinDeltaPhi,fit1->Eval(gHist->GetXaxis()->GetBinCenter(iBinDeltaEta),gHist->GetYaxis()->GetBinCenter(iBinDeltaPhi)));
+// }
+// }
+// gHistResidual->Add(gHistFit,-1);
+
+// //Write to output file
+// TString newFileName = "correlationFunctionFit";
+// if(histoName.Contains("PN")) newFileName += "PN";
+// else if(histoName.Contains("NP")) newFileName += "NP";
+// else if(histoName.Contains("PP")) newFileName += "PP";
+// else if(histoName.Contains("NN")) newFileName += "NN";
+// newFileName += ".Centrality";
+// newFileName += gCentrality; newFileName += ".Psi";
+// if((psiMin == -0.5)&&(psiMax == 0.5)) newFileName += "InPlane.Ptt";
+// else if((psiMin == 0.5)&&(psiMax == 1.5)) newFileName += "Intermediate.Ptt";
+// else if((psiMin == 1.5)&&(psiMax == 2.5)) newFileName += "OutOfPlane.Ptt";
+// else if((psiMin == 2.5)&&(psiMax == 3.5)) newFileName += "Rest.PttFrom";
+// else newFileName += "All.PttFrom";
+// newFileName += Form("%.1f",ptTriggerMin); newFileName += "To";
+// newFileName += Form("%.1f",ptTriggerMax); newFileName += "PtaFrom";
+// newFileName += Form("%.1f",ptAssociatedMin); newFileName += "To";
+// newFileName += Form("%.1f",ptAssociatedMax);
+// newFileName += ".root";
+// TFile *newFile = TFile::Open(newFileName.Data(),"recreate");
+// gHist->Write();
+// gHistFit->Write();
+// gHistResidual->Write();
+// fit1->Write();
+// newFile->Close();
+
+
+// }
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff