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#include "Layout.h" |
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#include <sstream> |
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#include <TPaveText.h> |
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#include <TLatex.h> |
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void Layout::DrawInit() |
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{ |
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} |
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struct HistoDescription |
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{ |
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unsigned int linecolor; |
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std::string algoName; |
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}; |
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void Layout::Draw(const std::vector<HistoBlock>& histos, |
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std::string& xlabel, float K, float MU, float SIG) |
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const std::string& xlabel, float K, float MU, float SIG) |
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{ |
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std::cout << "----------------- Draw : " << histos[0].histo->GetName() << std::endl; |
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// safety |
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if (histos.empty()) return; |
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float xmax = mystack->GetXaxis()->GetXmin(); |
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// Draw legend |
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TLegend* mylegend = new TLegend(0.17,0.72,0.43,0.85); |
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TLegend* mylegend = new TLegend(0.17,0.85-(0.04*histos.size()),0.33,0.85); |
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mylegend->SetFillColor(0); |
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for (unsigned int i=0;i<histos.size();i++) |
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{ |
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mylegend->Draw(); |
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// To Fit |
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std::vector<double> sigmas; |
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std::vector<double> errors; |
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for (unsigned int i=0;i<histos.size();i++) |
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{ |
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TF1* fitter = new TF1(dummy().c_str(),dummy().c_str(),xmin,xmax); |
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TF1* fitter = new TF1(dummy().c_str(),"gaus",xmin,xmax); |
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fitter->SetParameter(0,K); |
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fitter->SetParameter(1,MU); |
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fitter->SetParameter(2,SIG); |
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histos[i].histo->Fit(fitter,"R+"); |
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histos[i].histo->Fit(fitter,"0"); |
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sigmas.push_back(fitter->GetParameter(2)); |
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errors.push_back(fitter->GetParError(2)); |
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} |
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// Display sigmas |
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TPaveText* myblock = new TPaveText(0.6,0.65-(0.04*histos.size()),0.80,0.65,"NDC"); |
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myblock->SetBorderSize(0); |
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myblock->SetFillColor(0); |
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for (unsigned int i=0;i<sigmas.size();i++) |
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{ |
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std::stringstream str; |
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str << "#sigma_{RECO} = "; |
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str.precision(3); str << sigmas[i]; |
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str << " #pm "; |
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str.precision(3); str << errors[i]; |
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TText* mytext = myblock->AddText(str.str().c_str()); |
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mytext->SetTextColor(histos[i].linecolor); |
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mytext->SetTextAlign(11); |
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} |
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myblock->Draw(); |
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// Save |
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std::string filename = GetFileName(histos[0].histo->GetTitle()); |
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mycanvas->SaveAs((filename+".gif").c_str()); |
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mycanvas->SaveAs((filename+".root").c_str()); |
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} |
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