PlotCombiner.cc File Reference

#include <iostream>
#include <fstream>
#include <vector>
#include <string>
#include "TString.h"
#include "TROOT.h"
#include "TStyle.h"
#include "TH1F.h"
#include "TFile.h"
#include "TCanvas.h"
#include "TLegend.h"

Go to the source code of this file.

Functions
void	PlotCombiner ()
void	plotMaker (TString histoName, TString typeOfplot, vector< TString > file, vector< TString > type, vector< double > weight, TString xtitle, Int_t NBins, Double_t min, Double_t max)

Function Documentation

void PlotCombiner

(

)

Definition at line 81 of file PlotCombiner.cc.

References trackerHits::c, gather_cfg::cout, relativeConstraints::empty, MainPageGenerator::files, alignmentValidation::fname, i, input, j, geometryCSVtoXML::line, plotMaker(), AlCaHLTBitMon_QueryRunRegistry::string, w, and create_public_pileup_plots::weights.

{
  // read the file
  ifstream input("inputFiles");
  int i = 0;
  TString typeOfplot = "";
  vector<TString> types;
  vector<TString> files;
  vector<double> weights;

  if (input.is_open()) {
    std::string myline;
    while (! input.eof()) {
      getline(input, myline);
      TString line(myline);
      TString c('#');
      TString empty(' ');
      if (line[0] != c) {
    ++i;
    if (i==1) typeOfplot=line;
    else {
      // read until you find 3 words
      TString fname("");
      TString ftype("");
      TString fw("");
      int lineSize = (int) line.Length();
      int j=0;
      while (j<lineSize) {
        if(line[j] != empty) fname += line[j];
        else break;
        ++j;
      }
      while (j<lineSize) {
        if(line[j] != empty) ftype += line[j];
        else if(ftype.Length()==3) break;
        ++j;
      }
      while (j<lineSize) {
        if(line[j] != empty) fw += line[j];
        else{ if(fw.Length()>0) break;}
        ++j;
      }
      if (fname.Length() == 0) break;
      files.push_back(fname);
      types.push_back(ftype);
      double w = fw.Atof();
      weights.push_back(w);
      std::cout << fname << ", " << ftype << ", "<< w << std::endl;
    }
      }
    }
    input.close();
  }
  else {
    std::cout << "File with name inputFile was not found" << std::endl;
    return;
  }

  // now you can launch the jobs
  if (typeOfplot == "wenu") {
    cout << "wenu plot maker" << endl;
    //        ====================
    // =====> WHICH HISTOS TO PLOT
    //        ====================
    plotMaker("h_met", typeOfplot, files, types, weights, "MET (GeV)", 100,0,100);
  }
  else {
    cout << "zee plot maker" << endl;
    //        ====================
    // =====> WHICH HISTOS TO PLOT
    //        ====================
    plotMaker("h_mee", typeOfplot, files, types, weights, "M_{ee} (GeV)", 150,0,150);
  }


}

void plotMaker	(	TString	histoName,
		TString	typeOfplot,
		vector< TString >	file,
		vector< TString >	type,
		vector< double >	weight,
		TString	xtitle,
		Int_t	NBins,
		Double_t	min,
		Double_t	max
	)

Definition at line 160 of file PlotCombiner.cc.

References trackerHits::c, f, h, i, and create_public_lumi_plots::leg.

{
  gROOT->Reset();
  gROOT->ProcessLine(".L tdrstyle.C"); 
  gROOT->ProcessLine("setTDRStyle()");

  // Wenu Signal .......................................................
  TH1F h_wenu("h_wenu", "h_wenu", NBins, min, max);
  int fmax = (int) file.size();
  for (int i=0; i<fmax; ++i) {
    if (type[i] == "sig" && weight[i]>0) {
      TFile f(file[i]);
      TH1F *h = (TH1F*) f.Get(histoName);
      h_wenu.Add(h, weight[i]);
    }
  }
  // Bkgs ..............................................................
  //
  // QCD light flavor
  TH1F h_qcd("h_qcd", "h_qcd", NBins, min, max);
  for (int i=0; i<fmax; ++i) {
    if (type[i] == "qcd" && weight[i]>0) {
      TFile f(file[i]);
      TH1F *h = (TH1F*) f.Get(histoName);
      h_qcd.Add(h, weight[i]);
    }
  }
  // QCD heavy flavor
  TH1F h_bce("h_bce", "h_bce", NBins, min, max);
  for (int i=0; i<fmax; ++i) {
    if (type[i] == "bce" && weight[i]>0) {
      TFile f(file[i]);
      TH1F *h = (TH1F*) f.Get(histoName);
      h_bce.Add(h, weight[i]);
    }
  }
  // QCD Gjets
  TH1F h_gj("h_gj", "h_gj", NBins, min, max);
  for (int i=0; i<fmax; ++i) {
    if (type[i] == "gje" && weight[i]>0) {
      TFile f(file[i]);
      TH1F *h = (TH1F*) f.Get(histoName);
      h_gj.Add(h, weight[i]);
    }
  }
  // Other EWK bkgs
  TH1F h_ewk("h_ewk", "h_ewk", NBins, min, max);
  for (int i=0; i<fmax; ++i) {
    if (type[i] == "ewk" && weight[i]>0) {
      TFile f(file[i]);
      TH1F *h = (TH1F*) f.Get(histoName);
      h_ewk.Add(h, weight[i]);
    }
  }
  //
  // ok now decide how to plot them:
  // first the EWK bkgs
  h_ewk.SetFillColor(3);
  //
  // then the gjets
  h_gj.Add(&h_ewk);
  h_gj.SetFillColor(1);
  // thent the QCD dijets
  h_bce.Add(&h_qcd);
  h_bce.Add(&h_gj);
  h_bce.SetFillColor(2);
  // and the signal at last
  TH1F h_tot("h_tot", "h_tot", NBins, min, max);
  h_tot.Add(&h_bce);
  h_tot.Add(&h_wenu);
  h_wenu.SetLineColor(4);  h_wenu.SetLineWidth(2);
  //
  TCanvas c;
  h_tot.GetXaxis()->SetTitle(xtitle);
  h_tot.Draw("PE");
  h_bce.Draw("same");
  h_gj.Draw("same");
  h_ewk.Draw("same");
  h_wenu.Draw("same");

  // the Legend
  TLegend  leg(0.6,0.65,0.95,0.92);
  if (wzsignal == "wenu")
    leg.AddEntry(&h_wenu, "W#rightarrow e#nu","l");
  else
    leg.AddEntry(&h_wenu, "Z#rightarrow ee","l");
  leg.AddEntry(&h_tot, "Signal + Bkg","p");
  leg.AddEntry(&h_bce, "dijets","f");
  leg.AddEntry(&h_gj, "#gamma + jets","f");
  leg.AddEntry(&h_ewk,  "EWK+t#bar t", "f");
  leg.Draw("same");

  c.Print("test.png");



}