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////////////////////////////////////////////////////////////////////////////////
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//
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// plotvars_x
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// ----------
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//
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// 06/14/2007 Philipp Schieferdecker <philipp.schieferdecker@cern.ch>
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////////////////////////////////////////////////////////////////////////////////
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#include "utils/cmdline.h"
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#include <TROOT.h>
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#include <TStyle.h>
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#include <TRint.h>
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#include <TFile.h>
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#include <TTree.h>
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#include <TChain.h>
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#include <TH1F.h>
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#include <TCanvas.h>
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#include <TLegend.h>
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#include <iostream>
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#include <iomanip>
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#include <string>
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#include <vector>
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using namespace std;
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////////////////////////////////////////////////////////////////////////////////
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// main
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////////////////////////////////////////////////////////////////////////////////
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//______________________________________________________________________________
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int main(int argc,char**argv)
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{
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cmdline cl;
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cl.parse(argc,argv);
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vector<string> input = cl.get_vector<string>("input");
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vector<string> variables = cl.get_vector<string>("variables");
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string selection = cl.get_value<string> ("selection", "njt>0");
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string treename = cl.get_value<string> ("treename", "t");
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bool overlay = cl.get_value<bool> ("overlay", true);
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if (!cl.check()) return 0;
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cl.print();
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// concider event weights via selection
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selection = "weight*(" + selection + ")";
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// jetalgs
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vector<string> jetalgs;
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for (vector<string>::const_iterator it=input.begin();it!=input.end();++it) {
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string jetalg = *it;
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string::size_type pos;
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while ((pos=jetalg.find('/'))!=string::npos) jetalg = jetalg.substr(pos+1);
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jetalg = jetalg.substr(0,jetalg.find(".root"));
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jetalgs.push_back(jetalg);
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}
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// samples
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vector<TTree*> samples;
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for (unsigned int i=0;i<input.size();++i) {
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TFile* f = new TFile(input[i].c_str(),"READ");
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TTree* t = (TTree*)f->Get(treename.c_str());
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samples.push_back(t);
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cout<<jetalgs[i]<<" sample has "<<t->GetEntries()<<" total events."<<endl;
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}
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// histograms
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TH1::SetDefaultSumw2();
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vector<TH1F**> histograms;
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for (unsigned int i=0;i<variables.size();i++)
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histograms.push_back(new TH1F*[jetalgs.size()]);
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for (unsigned int ivar=0;ivar<variables.size();++ivar) {
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string variable = variables[ivar];
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for (unsigned int isample=0;isample<samples.size();++isample) {
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string jetalg = jetalgs[isample];
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TTree* sample = samples[isample];
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sample->Draw(variable.c_str(),selection.c_str(),"goff");
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TH1F* h = (TH1F*)gROOT->FindObject("htemp");
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if (ivar==0) cout<<jetalg<<": "<<h->GetEntries()<<" events selected."<<endl;
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string hname = "h"+variable+"_"+jetalg;
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string::size_type pos;
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while ((pos=hname.find('['))<string::npos) hname.erase(pos,1);
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while ((pos=hname.find(']'))<string::npos) hname.erase(pos,1);
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h->SetNameTitle(hname.c_str(),hname.c_str());
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histograms[ivar][isample]=h;
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cout<<hname<<" finished."<<endl;
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}
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}
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// make plots
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argc=1;
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TRint* app = new TRint(argv[0],&argc,argv);
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if (overlay) gStyle->SetOptStat(0);
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for (unsigned int ihist=0;ihist<histograms.size();++ihist) {
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string variable = variables[ihist];
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TLegend* leg(0);
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if (overlay) {
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string cname = "c"+variable;
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TCanvas* c = new TCanvas(cname.c_str(),cname.c_str());
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if (variable.find("photone")<string::npos||
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variable.find("photonpt")<string::npos||
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variable.find("njt")<string::npos||
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variable.find("jte")<string::npos||
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variable.find("jtpt")<string::npos||
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variable.find("met")<string::npos) c->SetLogy();
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leg = new TLegend(0.6,0.85-jetalgs.size()*0.05,0.9,0.85);
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leg->SetFillColor(10);
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}
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Color_t color = kBlack;
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for (unsigned int ialg=0;ialg<jetalgs.size();++ialg) {
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string jetalg = jetalgs[ialg];
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TH1F* h = histograms[ihist][ialg];
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if (!overlay) {
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string cname = "c"+variable+"_"+jetalg;
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TCanvas* c = new TCanvas(cname.c_str(),cname.c_str());
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if (variable.find("photone")<string::npos||
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variable.find("photonpt")<string::npos||
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variable.find("njt")<string::npos||
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variable.find("jte")<string::npos||
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variable.find("jtpt")<string::npos||
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variable.find("met")<string::npos) c->SetLogy();
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}
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else {
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h->SetTitle(variable.c_str());
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h->SetLineColor(color++);
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}
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(ialg==0||!overlay) ? h->Draw("EHIST") : h->Draw("EHISTSAME");
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if (leg!=0) {
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stringstream ss;
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ss<<jetalg<<" ("
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<<h->GetEntries()<<"/"
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<<setiosflags(ios::scientific)<<setprecision(2)
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<<h->GetMean()<<"/"
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<<h->GetRMS()
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<<resetiosflags(ios::scientific)<<setprecision(6)
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<<")";
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leg->AddEntry(h,ss.str().c_str(),"l");
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if (ialg==jetalgs.size()-1) leg->Draw();
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}
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}
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}
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app->Run();
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return 0;
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}
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