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Display_SignalFits_wide.cc
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Display_SignalFits_wide.cc
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// Creates the images and HTML
// for displaying changes in Signal MC
// due to JEC+1-1, and JER+1-1
#include <TH1D.h>
#include <TH2F.h>
#include <TROOT.h>
#include <TFile.h>
#include <TTree.h>
#include <TSystem.h>
#include <TChain.h>
#include <TLorentzVector.h>
#include <TLegend.h>
#include <TCanvas.h>
#include <TProfile.h>
#include <iostream>
#include <TFractionFitter.h>
#include <TStyle.h>
#include <TPaveText.h>
#include <THStack.h>
#include <TArrow.h>
#include <TColor.h>
#include <sstream>
#include <iostream>
#include <fstream>
#include <algorithm>
#include "CMS_lumi.C"
#include "tdrstyle.C"
//#include "RooRealVar.h"
//#include "RooArgList.h"
//#include "RooChebychev.h"
/*#include "RooDataHist.h"
#include "RooAbsPdf.h"
#include "RooWorkspace.h"
#include "RooPlot.h"
#include "RooFitResult.h"
#include "RooCBShape.h"
#include "RooGaussian.h"
*/
int iPeriod = 4; // 1=7TeV, 2=8TeV, 3=7+8TeV, 7=7+8+13TeV
int iPos =11;
int rebin=1;
ofstream outfile;
std::string tostr(float t, int precision=0)
{
std::ostringstream os;
os<<std::setprecision(precision)<<t;
return os.str();
}
double quad(double a, double b, double c=0, double d=0, double e=0, double f=0, double g=0, double h=0, double i=0, double j=0, double k=0)
{
return pow(a*a+b*b+c*c+d*d+e*e+f*f+g*g+h*h+i*i+j*j+k*k, 0.5);
}
struct Params
{
double sg_p0;
double sg_p1;
double sg_p2;
double sg_p3;
double sg_p4;
double sg_p5;
double sg_p6;
double sg_p0_err;
double sg_p1_err;
double sg_p2_err;
double sg_p3_err;
double sg_p4_err;
double sg_p5_err;
double sg_p6_err;
};
RooPlot* fitSignal(std::string dirName, TH1D *h, int massNum, std::string mass, int color, TLegend *leg, Params ¶ms, std::string postfix, bool kinFit=false)
{
RooRealVar *x, *sg_p0, *sg_p1, *sg_p2, *sg_p3, *sg_p4, *sg_p5, *sg_p6, *sg_p7, *sg_p8;
//x=new RooRealVar("x", "m_{X} (GeV)", 600., 3200.);
double massL = double(massNum);
/*
//For narrow signal
double rangeLo=TMath::Max(600., massL-0.3*massL), rangeHi=TMath::Min(3600., massL+0.3*massL);
sg_p0=new RooRealVar((std::string("sg_p0")+postfix).c_str(), "sg_p0", massL, massL-0.1*massL, massL+0.1*massL);
sg_p1=new RooRealVar((std::string("sg_p1")+postfix).c_str(), "sg_p1", 0.03*massL, 5., 400.);
sg_p2=new RooRealVar((std::string("sg_p2")+postfix).c_str(), "sg_p2", 1.3, 0., 200.);
sg_p3=new RooRealVar((std::string("sg_p3")+postfix).c_str(), "sg_p3", 5, 0., 300.);
sg_p4=new RooRealVar((std::string("sg_p4")+postfix).c_str(), "sg_p4", massL, 500., 800.);
sg_p5=new RooRealVar((std::string("sg_p5")+postfix).c_str(), "sg_p5", 0.1*massL, 0., 3000.);
if (postfix == "btag") {
sg_p6=new RooRealVar((std::string("sg_p6")+postfix).c_str(), "sg_p6", 1., 0.,1.);
sg_p6->setConstant(kTRUE);
} else {
sg_p6=new RooRealVar((std::string("sg_p6")+postfix).c_str(), "sg_p6", 0.99, 0.,1.);
}*/
//For wide signal
double rangeLo=TMath::Max(600., massL-0.3*massL), rangeHi=TMath::Min(3600., massL+0.3*massL);
double meanHist = h->GetMean();
sg_p0=new RooRealVar((std::string("sg_p0")+postfix).c_str(), "sg_p0", massL, massL-0.1*massL, massL+0.1*massL);
sg_p1=new RooRealVar((std::string("sg_p1")+postfix).c_str(), "sg_p1", 0.05*massL, 0.01, 400.);
sg_p2=new RooRealVar((std::string("sg_p2")+postfix).c_str(), "sg_p2", 1.3, 0., 200.);
sg_p3=new RooRealVar((std::string("sg_p3")+postfix).c_str(), "sg_p3", 1., 0., 300.);
sg_p4=new RooRealVar((std::string("sg_p4")+postfix).c_str(), "sg_p4", meanHist, 0, massL+0.1*massL);
sg_p5=new RooRealVar((std::string("sg_p5")+postfix).c_str(), "sg_p5", 0.12*massL, 0., 3000.);
sg_p6=new RooRealVar((std::string("sg_p6")+postfix).c_str(), "sg_p6", 0.99, 0.,1.);
x=new RooRealVar("x", "m_{X} (GeV)", 600., 3600.);
RooCBShape signalCore((std::string("signalCore")+postfix).c_str(), "signalCore", *x, *sg_p0, *sg_p1,*sg_p2, *sg_p3);
RooGaussian signalComb((std::string("signalComb")+postfix).c_str(), "Combinatoric", *x, *sg_p4, *sg_p5);
RooAddPdf signal((std::string("signal")+postfix).c_str(), "signal", RooArgList(signalCore, signalComb), *sg_p6);
RooDataHist signalHistogram((std::string("signalHistogram")+postfix).c_str(), "Signal Histogram", RooArgList(*x), h);
//signal.fitTo(signalHistogram, RooFit::Range(rangeLo, rangeHi), RooFit::Save());
signal.fitTo(signalHistogram, RooFit::Hesse(false), RooFit::Range(rangeLo, rangeHi), RooFit::Save());
params.sg_p0=sg_p0->getVal(); params.sg_p0_err=sg_p0->getError();
params.sg_p1=sg_p1->getVal(); params.sg_p1_err=sg_p1->getError();
params.sg_p2=sg_p2->getVal(); params.sg_p2_err=sg_p2->getError();
params.sg_p3=sg_p3->getVal(); params.sg_p3_err=sg_p3->getError();
params.sg_p4=sg_p4->getVal(); params.sg_p4_err=sg_p4->getError();
params.sg_p5=sg_p5->getVal(); params.sg_p5_err=sg_p5->getError();
params.sg_p6=sg_p6->getVal(); params.sg_p6_err=sg_p6->getError();
RooPlot *plot=x->frame();
if (color==kBlack)
{
signalHistogram.plotOn(plot, RooFit::MarkerColor(color), RooFit::MarkerSize(1.2));
signal.plotOn(plot, RooFit::LineColor(color), RooFit::LineWidth(3));
}
else
{
signalHistogram.plotOn(plot, RooFit::MarkerColor(color));
signal.plotOn(plot, RooFit::LineColor(color), RooFit::LineWidth(0));
}
leg->AddEntry((TObject*)0, ("#mu_{CB}= "+tostr(sg_p0->getVal(),4)+" #pm "+tostr(sg_p0->getError(),2)+" GeV").c_str(), "");
leg->AddEntry((TObject*)0, ("#sigma_{CB}= "+tostr(sg_p1->getVal(),2)+" #pm "+tostr(sg_p1->getError(),2)+" GeV").c_str(), "");
// std::cout<<"chi2/dof = "<<plot->chiSquare()<<std::endl;
if (color==kBlack)
{
RooRealVar signal_p0((std::string("signal_p0_")+postfix).c_str(), "signal_p0", sg_p0->getVal());
RooRealVar signal_p1((std::string("signal_p1_")+postfix).c_str(), "signal_p1", sg_p1->getVal());
RooRealVar signal_p2((std::string("signal_p2_")+postfix).c_str(), "signal_p2", sg_p2->getVal());
RooRealVar signal_p3((std::string("signal_p3_")+postfix).c_str(), "signal_p3", sg_p3->getVal());
RooRealVar signal_p4((std::string("signal_p4_")+postfix).c_str(), "signal_p4", sg_p4->getVal());
RooRealVar signal_p5((std::string("signal_p5_")+postfix).c_str(), "signal_p5", sg_p5->getVal());
RooRealVar signal_p6((std::string("signal_p6_")+postfix).c_str(), "signal_p6", sg_p6->getVal());
//RooGaussian signal_fixed("signal_fixed", "Signal Prediction", *x, signal_p0, signal_p1);
RooCBShape signalCore_fixed((std::string("signalCore_fixed_")+postfix).c_str(), "signalCore", *x, signal_p0, signal_p1,signal_p2, signal_p3);
RooGaussian signalComb_fixed((std::string("signalComb_fixed_")+postfix).c_str(), "Combinatoric", *x, signal_p4, signal_p5);
RooAddPdf signal_fixed((std::string("signal_fixed_")+postfix).c_str(), "signal", RooArgList(signalCore_fixed, signalComb_fixed), signal_p6);
RooWorkspace *w=new RooWorkspace("Vg");
w->import(signal_fixed);
w->SaveAs((dirName+"/w_signal_"+mass+".root").c_str());
}
return plot;
}
double lnN(double b, double a, double c)
{
// std::cout<<"a = "<<a<<", b = "<<b<<", c = "<<c<<std::endl;
// std::cout<<"1.+(a-c)/(2.*b) = "<<1.+fabs(a-c)/(2.*b)<<std::endl;
double err=0;
if (b>0) err=1.+fabs(a-c)/(2.*b);
return err;
}
int Display_SignalFits_wide(std::string postfix,
std::string dir_preselection="/scratch/osg/lesya/CMSSW_7_1_5/src/GenSignal",
std::string dir_selection="",
std::string file_histograms="histos_signal-",
int imass=750,
int rebin_factor = 10,
bool focus=false)
{
writeExtraText = true; // if extra text
extraText = "Simulation"; // default extra text is "Preliminary"
lumi_13TeV = "2.7 fb^{-1}"; // default is "19.7 fb^{-1}"
rebin = rebin_factor;
std::vector<std::string> masses;
std::cout<<" starting with "<<imass<<std::endl;
stringstream iimass ;
iimass << imass;
masses.push_back(iimass.str());
std::string dirName = "info_"+masses.at(0)+"_"+postfix;
std::string file_postfix = std::string(".root");
std::cout<< " file input "<< file_postfix<<std::endl;
//gROOT->SetStyle("Plain");
gStyle->SetOptStat(000000000);
gStyle->SetPadGridX(0);
gStyle->SetPadGridY(0);
gStyle->SetOptStat(0000);
setTDRStyle();
// Calculate nSignal events given production cross section, branching fractions and efficiency
double totalLumi=2690; // /pb
double prodXsec_1=1.; // pb
// Interpolation Plots
std::vector<double> v_sg_p0, v_sg_p0_err;
std::vector<double> v_sg_p1, v_sg_p1_err;
std::vector<double> v_sg_p2, v_sg_p2_err;
std::vector<double> v_sg_p3, v_sg_p3_err;
std::vector<double> v_sg_p4, v_sg_p4_err;
std::vector<double> v_sg_p5, v_sg_p5_err;
std::vector<double> v_sg_p6, v_sg_p6_err;
// Write to an HTML File
outfile.open((dirName+"/index.html").c_str());
outfile<<"<html>"<<std::endl;
outfile<<"<head>"<<std::endl;
outfile<<"<script type=\"text/javascript\">"<<std::endl;
outfile<<"function toggleMe(a){"<<std::endl;
outfile<<"var e=document.getElementById(a);"<<std::endl;
outfile<<"if(!e)return true;"<<std::endl;
outfile<<"if(e.style.display==\"none\"){"<<std::endl;
outfile<<"e.style.display=\"block\""<<std::endl;
outfile<<"}"<<std::endl;
outfile<<"else{"<<std::endl;
outfile<<"e.style.display=\"none\""<<std::endl;
outfile<<"}"<<std::endl;
outfile<<"return true;"<<std::endl;
outfile<<"}"<<std::endl;
outfile<<"</script>"<<std::endl;
outfile<<"</head>"<<std::endl;
outfile<<"<body>"<<std::endl;
for (unsigned int i=0; i<masses.size(); ++i) {
std::cout<<" OPENING FILE: " << (dir_preselection+"/"+postfix+"/"+file_histograms+masses.at(i)+file_postfix).c_str() <<std::endl;
TFile *file = new TFile((dir_preselection+"/"+postfix+"/"+file_histograms+masses.at(i)+file_postfix).c_str());
TH1D *h_mX_SR=(TH1D*)file->Get("distribs_5_10_0__x");
std::cout<< "distribs_5_10_0__x"<<std::endl;
double nSignal_init=1.0;
double xPad = 0.3;
TCanvas *c_mX_SR=new TCanvas(("c_mX_SR_"+masses.at(i)).c_str(), ("c_mX_SR_"+masses.at(i)).c_str(), 700*(1.-xPad), 700);
TPad *p_1=new TPad("p_1", "p_1", 0, xPad, 1, 1);
p_1->SetFillStyle(4000);
p_1->SetFrameFillColor(0);
p_1->SetBottomMargin(0.02);
p_1->SetTopMargin(0.06);
TPad* p_2 = new TPad("p_2", "p_2",0,0,1,xPad);
p_2->SetBottomMargin((1.-xPad)/xPad*0.13);
p_2->SetTopMargin(0.03);
p_2->SetFillColor(0);
p_2->SetBorderMode(0);
p_2->SetBorderSize(2);
p_2->SetFrameBorderMode(0);
p_2->SetFrameBorderMode(0);
p_1->Draw();
p_2->Draw();
p_1->cd();
h_mX_SR->SetTitle(("m_{X} Peak in Signal MC (m_{X}="+masses.at(i)+" GeV); m_{X} (GeV)").c_str());
h_mX_SR->Rebin(rebin);
TLegend *leg = new TLegend(0.75,0.75,0.5,0.9,NULL,"brNDC");
leg->SetBorderSize(0);
leg->SetTextSize(0.035);
leg->SetTextFont(42);
leg->SetLineColor(1);
leg->SetLineStyle(1);
leg->SetLineWidth(2);
leg->SetFillColor(0);
leg->SetFillStyle(0);
leg->SetTextFont(42);
leg->AddEntry(h_mX_SR, "Signal MC");
Params params_vg;
h_mX_SR->Scale(2690.0);
RooPlot *plot_vg=fitSignal(dirName,h_mX_SR, imass, masses.at(i), kBlack, leg, params_vg,postfix, true);
h_mX_SR->Scale(1.0/2690.0);
v_sg_p0.push_back(params_vg.sg_p0); v_sg_p0_err.push_back(params_vg.sg_p0_err);
v_sg_p1.push_back(params_vg.sg_p1); v_sg_p1_err.push_back(params_vg.sg_p1_err);
v_sg_p2.push_back(params_vg.sg_p2); v_sg_p2_err.push_back(params_vg.sg_p2_err);
v_sg_p3.push_back(params_vg.sg_p3); v_sg_p3_err.push_back(params_vg.sg_p3_err);
v_sg_p4.push_back(params_vg.sg_p4); v_sg_p4_err.push_back(params_vg.sg_p4_err);
v_sg_p5.push_back(params_vg.sg_p5); v_sg_p5_err.push_back(params_vg.sg_p5_err);
v_sg_p6.push_back(params_vg.sg_p6); v_sg_p6_err.push_back(params_vg.sg_p6_err);
plot_vg->SetTitle("");
plot_vg->GetYaxis()->SetRangeUser(0.01, 100);
plot_vg->GetXaxis()->SetRangeUser(imass-400, imass+400);
plot_vg->GetXaxis()->SetLabelOffset(0.03);
plot_vg->GetXaxis()->SetNdivisions(505);
plot_vg->Draw("same");
leg->SetFillColor(0);
leg->Draw();
CMS_lumi(p_1, iPeriod, iPos );
p_2->cd();
RooHist* hpull;
hpull = plot_vg->pullHist();
RooRealVar* x=new RooRealVar("x", "m_{X} (GeV)", 600, 3500);
RooPlot* frameP = x->frame() ;
frameP->SetTitle("");
frameP->GetXaxis()->SetRangeUser(imass-400, imass+400);
frameP->addPlotable(hpull,"P");
frameP->GetYaxis()->SetRangeUser(-5,5);
frameP->GetYaxis()->SetNdivisions(505);
frameP->GetXaxis()->SetNdivisions(505);
frameP->GetYaxis()->SetTitle("Pull");
frameP->GetYaxis()->SetTitleSize((1.-xPad)/xPad*0.06);
frameP->GetYaxis()->SetTitleOffset(1.2/((1.-xPad)/xPad));
frameP->GetXaxis()->SetTitleSize((1.-xPad)/xPad*0.06);
//frameP->GetXaxis()->SetTitleOffset(1.0);
frameP->GetXaxis()->SetLabelSize((1.-xPad)/xPad*0.05);
frameP->GetYaxis()->SetLabelSize((1.-xPad)/xPad*0.05);
frameP->Draw();
c_mX_SR->SaveAs((dirName+"/c_mX_SR_"+masses.at(i)+".png").c_str());
c_mX_SR->SaveAs((dirName+"/c_mX_SR_"+masses.at(i)+".root").c_str());
p_1->SetLogy();
c_mX_SR->SaveAs((dirName+"/c_mX_SR_"+masses.at(i)+"Log.png").c_str());
c_mX_SR->SaveAs((dirName+"/c_mX_SR_"+masses.at(i)+"Log.root").c_str());
outfile<<"<br/><hr/>"<<std::endl;
outfile<<"<h2> mX = "<<masses.at(i)<<" </h2>"<<std::endl;
outfile<<"<table border='1'>"<<std::endl;
outfile<<" <tr>"<<std::endl;
outfile<<" <td>"<<std::endl;
outfile<<" <img src='"<<("c_mX_SR_"+masses.at(i)+".png")<<"'/><br/>"<<std::endl;
outfile<<" <h2 align='center'>Without Kin-Fit. Fitted to an Exp-Gauss-Exp function.</h2><br/>"<<std::endl;
outfile<<" === Baseline plot === </br>"<<std::endl;
outfile<<" norm = "<<h_mX_SR->GetSumOfWeights()*totalLumi*prodXsec_1/nSignal_init<<" <br/>"<<std::endl;
/*outfile<<"sg_p0 param "<<params_vg.sg_p0<<" -"<<quad(sg_p0_errStat/2., sg_p0_errSyst_min)<<"/+"<<quad(sg_p0_errStat/2., sg_p0_errSyst_max)<<" <br/>"<<std::endl;
outfile<<"sg_p1 param "<<params_vg.sg_p1<<" -"<<quad(sg_p1_errStat/2., sg_p1_errSyst_min)<<"/+"<<quad(sg_p1_errStat/2., sg_p1_errSyst_max)<<" <br/>"<<std::endl;
outfile<<"sg_p2 param "<<params_vg.sg_p2<<" -"<<quad(sg_p2_errStat/2., sg_p2_errSyst_min)<<"/+"<<quad(sg_p2_errStat/2., sg_p2_errSyst_max)<<" <br/>"<<std::endl;
outfile<<"sg_p3 param "<<params_vg.sg_p3<<" -"<<quad(sg_p3_errStat/2., sg_p3_errSyst_min)<<"/+"<<quad(sg_p3_errStat/2., sg_p3_errSyst_max)<<" <br/>"<<std::endl;
outfile<<"sg_p4 param "<<params_vg.sg_p4<<" -"<<quad(sg_p4_errStat/2., sg_p4_errSyst_min)<<"/+"<<quad(sg_p4_errStat/2., sg_p4_errSyst_max)<<" <br/>"<<std::endl;
*/
outfile<<" </div>"<<std::endl;
outfile<<" </td>"<<std::endl;
outfile<<" </tr>"<<std::endl;
outfile<<"</table>"<<std::endl;
// Close all files
//file->Close();
/* file_JECp1->Close();
file_JECm1->Close();
file_JERp1->Close();
file_JERm1->Close();
file_Trigm1->Close();
file_bTagDown->Close();
file_bTagUp->Close();
*/
}
return 0;
}