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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 <TEventList.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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string variable = cl.get_value<string> ("variable");
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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 logy = cl.get_value<bool> ("logy", true);
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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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argc=1;
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TRint* app = new TRint(argv[0],&argc,argv);
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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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vector<TH1F*> histograms;
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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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TEventList* el = new TEventList("elist","elist");
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sample->Draw(">>elist",selection.c_str());
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int nevts = el->GetN();
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char njt;
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float weight;
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float jtet[100];
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float jteta[100];
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float jtphi[100];
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float jtgendr[100];
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float jtgenet[100];
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float* values(0);
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if (variable=="jtet") values = jtet;
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if (variable=="jteta") values = jteta;
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if (variable=="jtphi") values = jtphi;
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if (variable=="jtgendr") values = jtgendr;
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if (variable=="jtgenet") values = jtgenet;
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sample->SetBranchAddress("njt", &njt);
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sample->SetBranchAddress("weight",&weight);
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sample->SetBranchAddress("jtet", jtet);
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sample->SetBranchAddress("jteta", jteta);
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sample->SetBranchAddress("jtphi", jtphi);
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sample->SetBranchAddress("jtgendr",jtgendr);
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sample->SetBranchAddress("jtgenet",jtgenet);
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gROOT->cd();
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float value;
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string treename = "t" + variable;
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TTree* tree = new TTree(treename.c_str(),treename.c_str());
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tree->Branch("value", &value, "value/F");
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tree->Branch("weight",&weight,"value/F");
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for (int ievt=0;ievt<nevts;ievt++) {
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sample->GetEntry(el->GetEntry(ievt));
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for (int ijt=0;ijt<njt;ijt++) {
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// Section Cuts
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if (jtgendr[ijt]<0.0||jtgendr[ijt]>0.3) continue;
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// fill 'value' tree for selected events
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value = values[ijt];
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tree->Fill();
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}
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}
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TH1F::SetDefaultSumw2();
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tree->Draw("value","weight*(1)","goff");
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TH1F* h = (TH1F*)gROOT->FindObject("htemp");
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cout<<jetalg<<": "<<h->GetEntries()<<" jets 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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h->SetXTitle(variable.c_str());
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histograms.push_back(h);
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cout<<hname<<" finished."<<endl;
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delete tree;
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delete el;
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}
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// make plots
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if (overlay) gStyle->SetOptStat(0);
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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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c->SetLogy(logy);
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leg = new TLegend(0.6,0.85-jetalgs.size()*0.06,0.85,0.85);
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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[ialg];
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h->SetLineWidth(2);
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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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c->SetLogy(logy);
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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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leg->AddEntry(h,jetalg.c_str(),"l");
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if (ialg==jetalgs.size()-1) leg->Draw();
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}
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color++;
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while (color==10||color==kWhite||color==kYellow) color++;
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}
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app->Run();
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return 0;
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}
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