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jet_response_and_resolution_x.cc
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////////////////////////////////////////////////////////////////////////////////
//
// jet_response_and_resolution_x
// -----------------------------
//
// 07/21/2009 Philipp Schieferdecker <[email protected]>
////////////////////////////////////////////////////////////////////////////////
#include "JetMETAnalysis/JetUtilities/interface/CommandLine.h"
#include "JetMETAnalysis/JetUtilities/interface/ObjectLoader.h"
#include "JERWriter.h"
#include <TROOT.h>
#include <TApplication.h>
#include <TFile.h>
#include <TKey.h>
#include <TH1F.h>
#include <TF1.h>
#include <TGraphErrors.h>
#include <TVirtualFitter.h>
#include <iostream>
#include <sstream>
#include <string>
#include <vector>
#include <queue>
#include <set>
#include <map>
#include <cmath>
#include <cassert>
using namespace std;
/// set histo range to correspond to a specific fraction of events
void set_range_truncatedRMS(TH1* hist,float frac);
////////////////////////////////////////////////////////////////////////////////
// main
////////////////////////////////////////////////////////////////////////////////
//______________________________________________________________________________
int main(int argc,char**argv)
{
//
// evaluate command-line / configuration file options
//
CommandLine cl;
if (!cl.parse(argc,argv)) return 0;
string input = cl.getValue<string> ("input");
string output = cl.getValue<string> ("output", "");
bool dorelrsp = cl.getValue<bool> ("dorelrsp", true);
bool doabsrsp = cl.getValue<bool> ("doabsrsp", false);
bool doetarsp = cl.getValue<bool> ("doetarsp", false);
bool dophirsp = cl.getValue<bool> ("dophirsp", false);
bool domu = cl.getValue<bool> ("domu", false);
bool dorho = cl.getValue<bool> ("dorho", false);
bool dopudensity = cl.getValue<bool> ("dopudensity", false);
vector<string> flavors = cl.getVector<string>("flavors", "");
vector<string> algs = cl.getVector<string>("algs", "");
bool fitres = cl.getValue<bool> ("fitres", true);
bool unweighted = cl.getValue<bool> ("unweighted", false);
bool verbose = cl.getValue<bool> ("verbose", false);
bool forcefit = cl.getValue<bool> ("forcefit", false);
int minentries = cl.getValue<int> ("minentries", -1);
bool addminerr = cl.getValue<bool> ("addminerr", false);
bool docbfits = cl.getValue<bool> ("docbfits", false);
bool dowrite = cl.getValue<bool> ("dowrite", false);
string fera = cl.getValue<string> ("fera", "");
string fprefix = cl.getValue<string> ("fprefix", "");
bool writeHeader = cl.getValue<bool> ("writeHeader", false);
float fractionRMS = cl.getValue<float> ("fractionRMS", 1.);
float fracRMSpf = cl.getValue<float> ("fracRMSpf", 1.);
float fracRMSjpt = cl.getValue<float> ("fracRMSjpt", 1.);
float fracRMScalo = cl.getValue<float> ("fracRMScalo", 1.);
float calomin = cl.getValue<float> ("calomin", -1.);
float jptmin = cl.getValue<float> ("jptmin", -1.);
float pfmin = cl.getValue<float> ("pfmin", -1.);
float puppimin = cl.getValue<float> ("puppimin", -1.);
float calofitmin = cl.getValue<float> ("calofitmin", -1.);
float jptfitmin = cl.getValue<float> ("jptfitmin", -1.);
float pffitmin = cl.getValue<float> ("pffitmin", -1.);
float pfchsfitmin = cl.getValue<float> ("pfchsfitmin", -1.);
float puppifitmin = cl.getValue<float> ("puppifitmin", -1.);
float calofitmax = cl.getValue<float> ("calofitmax", -1.);
float jptfitmax = cl.getValue<float> ("jptfitmax", -1.);
float pffitmax = cl.getValue<float> ("pffitmax", -1.);
float puppifitmax = cl.getValue<float> ("puppifitmax", -1.);
bool semifitted = cl.getValue<bool> ("semifitted", false);
float addUnc = cl.getValue<float> ("addUnc", 0.0);
vector<float> fixCTerm = cl.getVector<float>("fixCTerm", "-9999.0");
int nfititer = cl.getValue<int> ("nfititer", 10);
string xvarOverride = cl.getValue<string>("xvarOverride", "");
string indirectProf = cl.getValue<string>("indirectProf", "");
if (!cl.check()) return 0;
cl.print();
//
// The stochastic ([1]*[1]/x) and constant ([2]*[2]) terms are effective descriptions
// that work over a limited energy range only. Tweaked to be more like the 2010 JER
// description and made the stochastic exponent a parameter.
//
//const string s_sigma_calo="sqrt([0]*[0]/(x*x) + [1]*[1]/x + [2]*[2])";
//const string s_sigma="sqrt([0]*abs([0])/(x*x) + [1]*[1]/x + [2]*[2])";
const string s_sigma="sqrt([0]*abs([0])/(x*x) + [1]*[1]*pow(x,[3]) + [2]*[2])";
const string s_sigma_calo="sqrt([0]*[0]/(x*x) + [1]*[1]*pow(x,[3]) + [2]*[2])";
const string s_sigma_angle="[0]+[1]*exp(-x/[2])";
const string s_sigma_density="[0]+([1]*x)";
//const string s_sigma="sqrt(((TMath::Sign(1,[0])*sq([0]/x))+(sq([1])*(x^([3]-1))))+sq([2]))";
const string s_aone ="[0]";
const string s_atwo ="[0]*x**[1]";
const string s_pone ="TMath::Max(0.0,([0]-[3])/(1.+exp([1]*(x-[2])))+[3])";
const string s_ptwo ="TMath::Max(0.0,([0]-[3])/(1.+exp([1]*(x-[2])))+[3])";
//
// construct variables vector
//
vector<string> variables;
if (dorelrsp) {
if (domu) {
variables.push_back("RelRsp:JetEta:Mu:RefPt");
variables.push_back("RelRsp:JetEta@0:Mu#2:RefPt");
variables.push_back("RelRsp:[email protected]:Mu#2:RefPt");
variables.push_back("RelRsp:[email protected]:Mu#2:RefPt");
variables.push_back("RelRsp:JetEta@3:Mu#2:RefPt");
}
else if (dorho) {
variables.push_back("RelRsp:JetEta:Rho:RefPt");
variables.push_back("RelRsp:JetEta@0:Rho#2:RefPt");
variables.push_back("RelRsp:[email protected]:Rho#2:RefPt");
variables.push_back("RelRsp:[email protected]:Rho#2:RefPt");
variables.push_back("RelRsp:JetEta@3:Rho#2:RefPt");
}
else if (dopudensity) {
variables.push_back("RelRsp:JetEta:RhoPU:RefPt");
variables.push_back("RelRsp:JetEta@0:RhoPU#2:RefPt");
variables.push_back("RelRsp:[email protected]:RhoPU#2:RefPt");
variables.push_back("RelRsp:[email protected]:RhoPU#2:RefPt");
variables.push_back("RelRsp:JetEta@3:RhoPU#2:RefPt");
}
else{
variables.push_back("RelRsp:RefPt");
variables.push_back("RelRsp:JetEta");
variables.push_back("RelRsp:JetPhi");
//variables.push_back("RelRsp:JetY");
variables.push_back("RelRsp:JetEta:RefPt");
variables.push_back("RelRsp:JetEta#1:RefPt"); //fitmin and min options affect JetEta#1 (vs. JetEta), seems to try to fit res but not rsp
//variables.push_back("RelRsp:JetY:RefPt");
//variables.push_back("RelRsp:JetY#1:RefPt");
//variables.push_back("RelRsp_Barrel:RefPt");
//variables.push_back("RelRsp_InnerEndcap:RefPt");
//variables.push_back("RelRsp_OuterEndcap:RefPt");
//variables.push_back("RelRsp_Forward:RefPt");
}
}
if (doabsrsp) {
variables.push_back("AbsRsp:RefPt");
variables.push_back("AbsRsp:JetEta");
variables.push_back("AbsRsp:JetPhi");
variables.push_back("AbsRsp:JetY");
variables.push_back("AbsRsp:JetEta:RefPt");
variables.push_back("AbsRsp:JetEta#1:RefPt");
variables.push_back("AbsRsp:JetY:RefPt");
variables.push_back("AbsRsp:JetY#1:RefPt");
}
if (doetarsp) {
variables.push_back("EtaRsp:RefPt");
variables.push_back("EtaRsp:JetEta");
variables.push_back("EtaRsp:JetEta:RefPt");
variables.push_back("EtaRsp:JetEta#1:RefPt");
}
if (dophirsp) {
variables.push_back("PhiRsp:RefPt");
variables.push_back("PhiRsp:JetEta");
variables.push_back("PhiRsp:JetEta:RefPt");
variables.push_back("PhiRsp:JetEta#1:RefPt");
}
if (flavors.size()>0) {
if (flavors.front()=="all") {
flavors.clear();
flavors.push_back("uds");
flavors.push_back("ud");
flavors.push_back("s");
flavors.push_back("c");
flavors.push_back("b");
flavors.push_back("g");
flavors.push_back("slc");
flavors.push_back("slb");
}
vector<string> vtmp(variables.begin(),variables.end());
for (unsigned iflv=0;iflv<flavors.size();iflv++)
for (unsigned iv=0;iv<vtmp.size();iv++)
variables.push_back(flavors[iflv]+"_"+vtmp[iv]);
}
cout<<"List of variables: "<<endl;
for (unsigned iv=0;iv<variables.size();iv++) cout<<variables[iv]<<endl;
//
// open output file and declare vectors for response & resolution graphs
//
if (output.empty()) {
size_t pos=input.find(".root");
output=input.substr(0,pos)+"_g.root";
cout<<"*** write output to "<<output<<endl;
}
TFile* ofile = new TFile(output.c_str(),"RECREATE");
if (!ofile->IsOpen()) { cout<<"Can't create "<<output<<endl; return 0; }
vector<TGraphErrors*> vrsp;
vector<TGraphErrors*> vres;
vector<TGraphErrors*> vaone;
vector<TGraphErrors*> vatwo;
vector<TGraphErrors*> vpone;
vector<TGraphErrors*> vptwo;
//
// open input file and loop over input directories (=algorithms)
//
TFile* ifile = new TFile(input.c_str(),"READ");
if (!ifile->IsOpen()) { cout<<"Can't open "<<input<<endl; return 0; }
if (algs.size()==0) {
TIter nextDir(ifile->GetListOfKeys());
TKey* dirKey(0);
while ((dirKey=(TKey*)nextDir())) {
if (strcmp(dirKey->GetClassName(),"TDirectoryFile")!=0) continue;
algs.push_back(dirKey->GetName());
}
}
for (unsigned int ialg=0;ialg<algs.size();++ialg) {
string alg = algs[ialg];
// truncation of RMS is algo specific...
if (fracRMSpf<1. && alg.find("pf")!=string::npos) {
fractionRMS = fracRMSpf;
cout<<" Overriding fractionRMS with PF specific: "<<fracRMSpf<<endl;
}
else if (fracRMSjpt<1. && alg.find("jpt")!=string::npos) {
fractionRMS = fracRMSjpt;
cout<<" Overriding fractionRMS with JPT specific: "<<fracRMSjpt<<endl;
}
else if (fracRMScalo<1. && alg.find("calo")!=string::npos) {
fractionRMS = fracRMScalo;
cout<<" Overriding fractionRMS with CALO specific: "<<fracRMScalo<<endl;
}
// for each algorithm use a JERWriter (PtResolution=true)
JERWriter resolutions(alg,fera,fprefix,true, domu || dorho || dopudensity, writeHeader, indirectProf);
TDirectory* idir = (TDirectory*)ifile->Get(alg.c_str());
if (0==idir) { cout<<"No dir "<<alg<<" found"<<endl; return 0; }
cout<<alg<<" ... "<<flush;
TDirectory* odir = (TDirectory*)ofile->mkdir(alg.c_str());
gROOT->cd();
for (unsigned int ivar=0;ivar<variables.size();ivar++) {
string variable = variables[ivar];
ObjectLoader<TH1F> hlrsp;
hlrsp.load_objects(idir,variable);
string xvar = hlrsp.variable(hlrsp.nvariables()-1);
if (xvarOverride!="" && xvar==xvarOverride.substr(0,xvarOverride.find(":")))
xvar = xvarOverride.substr(xvarOverride.find(":")+1,xvarOverride.rfind(":")-xvarOverride.find(":")-1);
//string varexp=hlrsp.variable(hlrsp.nvariables()-1)+
//variable.substr(variable.find(':'));
string varexp=xvar+variable.substr(variable.find(':'));
ObjectLoader<TH1F> hlvar;
hlvar.load_objects(idir,varexp);
vector<unsigned int> indices;
// first the std resolution
TH1F* hrsp(0); TGraphErrors* grsp(0); TGraphErrors* gres(0);
// then the other stuff
TGraphErrors* gaone(0);
TGraphErrors* gatwo(0);
TGraphErrors* gpone(0);
TGraphErrors* gptwo(0);
hlrsp.begin_loop();
while ((hrsp=hlrsp.next_object(indices))) {
//cout << "Quantity = " << hlrsp.quantity() << endl;
// create new graphs for response & resolution
if (indices.back()==0) {
grsp = new TGraphErrors(0); vrsp.push_back(grsp);
gres = new TGraphErrors(0); vres.push_back(gres);
gaone = new TGraphErrors(0); vaone.push_back(gaone);
gatwo = new TGraphErrors(0); vatwo.push_back(gatwo);
gpone = new TGraphErrors(0); vpone.push_back(gpone);
gptwo = new TGraphErrors(0); vptwo.push_back(gptwo);
// this is where the magic happens...
string prefix = hlrsp.quantity().substr(0,3);
string suffix;
if(hlrsp.quantity().size()>6) suffix = hlrsp.quantity().substr(hlrsp.quantity().find("_"),hlrsp.quantity().size()-hlrsp.quantity().find("_"));
//string grsp_name=prefix+"RspVs"+hlrsp.variable(hlrsp.nvariables()-1)+suffix;
//string gres_name=prefix+"ResVs"+hlrsp.variable(hlrsp.nvariables()-1)+suffix;
//string gaone_name="AoneVs"+hlrsp.variable(hlrsp.nvariables()-1);
//string gatwo_name="AtwoVs"+hlrsp.variable(hlrsp.nvariables()-1);
//string gpone_name="PoneVs"+hlrsp.variable(hlrsp.nvariables()-1);
//string gptwo_name="PtwoVs"+hlrsp.variable(hlrsp.nvariables()-1);
string grsp_name=prefix+"RspVs"+xvar+suffix;
string gres_name=prefix+"ResVs"+xvar+suffix;
string gaone_name="AoneVs"+xvar;
string gatwo_name="AtwoVs"+xvar;
string gpone_name="PoneVs"+xvar;
string gptwo_name="PtwoVs"+xvar;
if (hlrsp.nvariables()>1) {
for (unsigned int i=0;i<hlrsp.nvariables()-1;i++) {
stringstream suffix;
suffix<<"_"<<hlrsp.variable(i)
<<hlrsp.minimum(i,indices[i])<<"to"
<<hlrsp.maximum(i,indices[i]);
grsp_name += suffix.str();
gres_name += suffix.str();
gaone_name += suffix.str();
gatwo_name += suffix.str();
gpone_name += suffix.str();
gptwo_name += suffix.str();
}
}
grsp->SetName(grsp_name.c_str());
gres->SetName(gres_name.c_str());
gaone->SetName(gaone_name.c_str());
gatwo->SetName(gatwo_name.c_str());
gpone->SetName(gpone_name.c_str());
gptwo->SetName(gptwo_name.c_str());
}
// add new points to current response & resolution graphs
if (hrsp->Integral()==0) continue;
double x(0.0),ex(0.0);
if (hlvar.nobjects()>0) {
TH1F* hvar = hlvar.object(indices);
assert(hvar->GetEntries()>0);
x = hvar->GetMean();
ex = hvar->GetMeanError();
}
else {
double min = hlrsp.minimum(hlrsp.nvariables()-1,indices.back());
double max = hlrsp.maximum(hlrsp.nvariables()-1,indices.back());
x=0.5*(min+max);
}
//exclude points outside the physics range of the reco-algs
if ( (alg.find("calo")!=string::npos)&&(x<calomin) ) continue;
else if ( (alg.find("jpt")!=string::npos)&&(x<jptmin) ) continue;
else if ( (alg.find("puppi")!=string::npos)&&(x<puppimin) ) continue;
else if ( (alg.find("pf")!=string::npos)&&(x<pfmin) ) continue;
TF1* frsp = (TF1*)hrsp->GetListOfFunctions()->Last();
bool isFDSCB = (0==frsp) ? false : ("fdscb"==(string)frsp->GetName());
if (minentries>0 && hrsp->GetEffectiveEntries()<minentries) continue;
if (forcefit && frsp==0) continue;
if (fractionRMS<1.) set_range_truncatedRMS(hrsp,fractionRMS);
double y = (frsp==0 || (semifitted && x<40.0)) ? hrsp->GetMean() : frsp->GetParameter(1);
double ey = (frsp==0 || (semifitted && x<40.0)) ? hrsp->GetMeanError() : frsp->GetParError(1);
double e = (frsp==0 || (semifitted && x<40.0)) ? hrsp->GetRMS() : frsp->GetParameter(2);
double ee = (frsp==0 || (semifitted && x<40.0)) ? hrsp->GetRMSError() : frsp->GetParError(2);
// declare the addtional pars for the CB function
double aone(0.0),eaone(.25),atwo(0.0),eatwo(.25);
double pone(0.0),epone(2.5),ptwo(0.0),eptwo(2.5);
if (isFDSCB) {
aone = frsp->GetParameter(3);
//eaone = frsp->GetParError(3);
atwo = frsp->GetParameter(5);
//eatwo = frsp->GetParError(5);
pone = frsp->GetParameter(4);
//epone = frsp->GetParError(4);
ptwo = frsp->GetParameter(6);
//eptwo = frsp->GetParError(6);
}
if (hlrsp.quantity().find("AbsRsp")!=string::npos) {
double yabs = (x+y)/x;
double eyabs = std::abs(yabs-1)*std::sqrt(ey*ey/y/y+ex*ex/x/x);
double eabs = e/x;
double eeabs = eabs*std::sqrt(ee*ee/e/e+ex*ex/x/x);
y = yabs;
ey = eyabs;
e = eabs;
ee = eeabs;
}
else if (hlrsp.quantity().find("RelRsp")!=string::npos) {
double erel = e/y;
double eerel = erel*std::sqrt(ee*ee/e/e+ey*ey/y/y);
e = erel;
ee = eerel;
}
if (addminerr) {
// add a minimal uncertainty of .5% in quadrature to each point
ee = std::sqrt(ee*ee+.0005*.0005);
//eaone = std::sqrt(eaone*eaone+.0005*.0005);
//eatwo = std::sqrt(eatwo*eatwo+.0005*.0005);
//epone = std::sqrt(epone*epone+.0005*.0005);
//eptwo = std::sqrt(eptwo*eptwo+.0005*.0005);
}
if(addUnc>0.0) {
// add an additional uncertainty in quadrature to each point
addUnc *= e;
ee = std::sqrt(ee*ee+addUnc*addUnc);
}
int n = grsp->GetN();
grsp->SetPoint(n,x,y);
grsp->SetPointError(n,ex,ey);
gres->SetPoint(n,x,e);
gres->SetPointError(n,ex,ee);
if (isFDSCB) {
n = gaone->GetN();
gaone->SetPoint(n,x,aone);
gaone->SetPointError(n,ex,eaone);
n = gatwo->GetN();
gatwo->SetPoint(n,x,atwo);
gatwo->SetPointError(n,ex,eatwo);
n = gpone->GetN();
gpone->SetPoint(n,x,pone);
gpone->SetPointError(n,ex,epone);
n = gptwo->GetN();
gptwo->SetPoint(n,x,ptwo);
gptwo->SetPointError(n,ex,eptwo);
}
} //while hrsp iteration
// ---------------------------
// fit resolution if requested
// ---------------------------
if (fitres) {
//TVirtualFitter::SetDefaultFitter("Minuit2");
double fitmin(0.0);
double fitmax(0.0);
if (calofitmin!=-1. && alg.find("calo")!=string::npos) fitmin = calofitmin;
if (jptfitmin!=-1. && alg.find("jpt")!=string::npos) fitmin = jptfitmin;
if (pfchsfitmin!=-1. && alg.find("pfchs")!=string::npos) fitmin = pfchsfitmin;
else if (pffitmin!=-1. && alg.find("pf")!=string::npos) fitmin = pffitmin;
if (puppifitmin!=-1. && alg.find("puppi")!=string::npos) fitmin = puppifitmin;
if (calofitmax!=-1. && alg.find("calo")!=string::npos) fitmax = calofitmax;
if (jptfitmax!=-1. && alg.find("jpt")!=string::npos) fitmax = jptfitmax;
if (pffitmax!=-1. && alg.find("pf")!=string::npos) fitmax = pffitmax;
if (puppifitmax!=-1. && alg.find("puppi")!=string::npos) fitmax = puppifitmax;
// SIGMA
for (unsigned int igraph=0;igraph<vres.size();igraph++) {
TGraphErrors* g = vres[igraph];
//cout << g->GetName() << endl;
if (g->GetN()==0) continue;
double xmin(g->GetX()[0]);
double xmax(-1e100);
for (int ipoint=0;ipoint<g->GetN();ipoint++)
if (g->GetX()[ipoint]>xmax) xmax = g->GetX()[ipoint];
if (fitmin!=0.0 && fitmin>xmin) xmin = fitmin;
if (fitmax!=0.0 && fitmax<xmax) xmax = fitmax;
//TF1* fnc=new TF1("fit",
// s_sigma.c_str(),
// xmin,xmax);
TF1* fnc = 0;
if(hlrsp.quantity().find("EtaRsp")!=string::npos ||
hlrsp.quantity().find("PhiRsp")!=string::npos) {
fnc = new TF1("fit",s_sigma_angle.c_str(),xmin,xmax);
}
else if(xvar.find("RhoPU")!=string::npos) {
fnc = new TF1("fit",s_sigma_density.c_str(),xmin,xmax);
}
else if(alg.find("calo")!=string::npos) {
fnc = new TF1("fit",s_sigma_calo.c_str(),xmin,xmax);
}
else {
fnc = new TF1("fit",s_sigma.c_str(),xmin,xmax);
}
fnc->SetLineWidth(2);
fnc->SetLineColor(g->GetLineColor());
//fnc->SetParameter(0,2.0);
//fnc->SetParameter(1,0.5);
//fnc->SetParameter(2,0.1);
//fnc->SetParameter(3,0.2);
//fnc->FixParameter(2,0.);
if(hlrsp.quantity().find("EtaRsp")!=string::npos ||
hlrsp.quantity().find("PhiRsp")!=string::npos) {
fnc->SetParameters(0.005,0.02,150.0);
}
else if(alg.find("calo")!=string::npos) {
fnc->SetParameters(+1,1,0.05,-0.8);
}
else if(alg.find("pf")!=string::npos) {
fnc->SetParameters(3.5,0.5,0.03,-1);
}
else if(alg.find("puppi")!=string::npos) {
fnc->SetParameters(3.5,0.5,0.03,-1);
}
else{
fnc->SetParameters(-1,1,0.05,-0.8);
}
if(fixCTerm.size()==algs.size()) {
if(fixCTerm[ialg]>-9999.0) {
fnc->FixParameter(2,fixCTerm[ialg]);
}
}
TString fit_options = "QR+";
if(unweighted) fit_options = "W" + fit_options;
//int fitstatus = g->Fit(fnc,fit_options);
int fitstatus = -1;
for(int i=0; i<nfititer; i++) {
if(fitstatus==0)
i=nfititer+1;
else {
if(g->GetListOfFunctions()->Last())
g->GetListOfFunctions()->Last()->Delete();
fitstatus = g->Fit(fnc,fit_options);
}
}
if (0==fitstatus) resolutions.addEntry(g->GetName(),fnc);
if (0!=fitstatus) {
if (verbose)
cout<<"Fit failed: "<<fitstatus
<<" alg: "<<alg
<<" var: "<<variable
<<" name: "<<g->GetName()<<endl;
if(g->GetListOfFunctions()->Last())
g->GetListOfFunctions()->Last()->Delete();
if (verbose)
cout<<"...fnc deleted!"<<endl;
}
/*
else {
if (verbose)
cout<<"Fit successful: "<<fitstatus<<" chi2/NDF: "<<fnc->GetChisquare()/fnc->GetNDF()
<<" alg: "<<alg<<" var: "<<variable<<" name: "<<g->GetName()<<endl;
}
*/
} // SIGMA
if (docbfits) {
// AONE
for (unsigned int igraph=0;igraph<vaone.size();igraph++) {
TGraphErrors* g = vaone[igraph];
if (g->GetN()==0) continue;
double xmin(g->GetX()[0]);
double xmax(-1e100);
for (int ipoint=0;ipoint<g->GetN();ipoint++)
if (g->GetX()[ipoint]>xmax) xmax = g->GetX()[ipoint];
TF1* fnc=new TF1("fit",
s_aone.c_str(),
xmin,xmax);
fnc->SetLineWidth(2);
fnc->SetLineColor(g->GetLineColor());
fnc->SetParameter(0,2.);
int fitstatus = g->Fit(fnc,"QR");
if (0==fitstatus) resolutions.addEntry(g->GetName(),fnc);
if (0!=fitstatus) {
if (verbose)
cout<<"Fit failed: "<<fitstatus
<<" alg: "<<alg
<<" var: "<<variable
<<" name: "<<g->GetName()<<endl;
g->GetListOfFunctions()->Last()->Delete();
if (verbose)
cout<<"...fnc deleted!"<<endl;
}
} // AONE
// ATWO
for (unsigned int igraph=0;igraph<vatwo.size();igraph++) {
TGraphErrors* g = vatwo[igraph];
if (g->GetN()==0) continue;
double xmin(g->GetX()[0]);
double xmax(-1e100);
for (int ipoint=0;ipoint<g->GetN();ipoint++)
if (g->GetX()[ipoint]>xmax) xmax = g->GetX()[ipoint];
TF1* fnc=new TF1("fit",
s_atwo.c_str(),
xmin,xmax);
fnc->SetLineWidth(2);
fnc->SetLineColor(g->GetLineColor());
fnc->SetParameter(0,2.);
fnc->SetParameter(1,0.7);
int fitstatus = g->Fit(fnc,"QR");
if (0==fitstatus) resolutions.addEntry(g->GetName(),fnc);
if (0!=fitstatus) {
if (verbose)
cout<<"Fit failed: "<<fitstatus
<<" alg: "<<alg
<<" var: "<<variable
<<" name: "<<g->GetName()<<endl;
g->GetListOfFunctions()->Last()->Delete();
if (verbose)
cout<<"...fnc deleted!"<<endl;
}
} // ATWO
// PONE
for (unsigned int igraph=0;igraph<vpone.size();igraph++) {
TGraphErrors* g = vpone[igraph];
if (g->GetN()==0) continue;
double xmin(g->GetX()[0]);
double xmax(-1e100);
for (int ipoint=0;ipoint<g->GetN();ipoint++)
if (g->GetX()[ipoint]>xmax) xmax = g->GetX()[ipoint];
TF1* fnc=new TF1("fit",
s_pone.c_str(),
xmin,xmax);
fnc->SetLineWidth(2);
fnc->SetLineColor(g->GetLineColor());
fnc->FixParameter(0,25);
fnc->SetParameter(1,.05);
fnc->SetParameter(2,100);
fnc->SetParameter(3,3);
int fitstatus = g->Fit(fnc,"QR");
if (0==fitstatus) resolutions.addEntry(g->GetName(),fnc);
if (0!=fitstatus) {
if (verbose)
cout<<"Fit failed: "<<fitstatus
<<" alg: "<<alg
<<" var: "<<variable
<<" name: "<<g->GetName()<<endl;
g->GetListOfFunctions()->Last()->Delete();
if (verbose)
cout<<"...fnc deleted!"<<endl;
}
} // PONE
// PTWO
for (unsigned int igraph=0;igraph<vptwo.size();igraph++) {
TGraphErrors* g = vptwo[igraph];
if (g->GetN()==0) continue;
double xmin(g->GetX()[0]);
double xmax(-1e100);
for (int ipoint=0;ipoint<g->GetN();ipoint++)
if (g->GetX()[ipoint]>xmax) xmax = g->GetX()[ipoint];
TF1* fnc=new TF1("fit",
s_ptwo.c_str(),
xmin,xmax);
fnc->SetLineWidth(2);
fnc->SetLineColor(g->GetLineColor());
fnc->FixParameter(0,25);
fnc->SetParameter(1,.05);
fnc->SetParameter(2,100);
fnc->SetParameter(3,3);
int fitstatus = g->Fit(fnc,"QR");
if (0==fitstatus) resolutions.addEntry(g->GetName(),fnc);
if (0!=fitstatus) {
if (verbose)
cout<<"Fit failed: "<<fitstatus
<<" alg: "<<alg
<<" var: "<<variable
<<" name: "<<g->GetName()<<endl;
g->GetListOfFunctions()->Last()->Delete();
if (verbose)
cout<<"...fnc deleted!"<<endl;
}
} // PTWO
}
} // if (fitres)
// ------------------
// fit resolution end
// ------------------
} // variables
cout<<" DONE."<<endl;
if (dowrite) resolutions.writeJER();
// write response & resolution graphs to output root file
odir->cd();
for (unsigned int igraph=0;igraph<vrsp.size();igraph++)
vrsp[igraph]->Write();
for (unsigned int igraph=0;igraph<vres.size();igraph++)
vres[igraph]->Write();
for (unsigned int igraph=0;igraph<vaone.size();igraph++)
if (vaone[igraph]->GetN()>0) vaone[igraph]->Write();
for (unsigned int igraph=0;igraph<vatwo.size();igraph++)
if (vatwo[igraph]->GetN()>0) vatwo[igraph]->Write();
for (unsigned int igraph=0;igraph<vpone.size();igraph++)
if (vpone[igraph]->GetN()>0) vpone[igraph]->Write();
for (unsigned int igraph=0;igraph<vptwo.size();igraph++)
if (vptwo[igraph]->GetN()>0) vptwo[igraph]->Write();
vrsp.clear(); vres.clear();
vaone.clear();vatwo.clear();vpone.clear();vptwo.clear();
}
//
// close input & output files
//
gROOT->GetListOfFiles()->Remove(ofile);
ofile->Close();
delete ofile;
gROOT->GetListOfFiles()->Remove(ifile);
ifile->Close();
delete ifile;
return 0;
}
//______________________________________________________________________________
void set_range_truncatedRMS(TH1* hist,float frac)
{
if (0==hist) return;
const float nevts = hist->Integral(); if (0==nevts) return;
const int nbins = hist->GetNbinsX();
if (frac<=0.0 || frac==1.) return;
for (int ibin=1;ibin<nbins;++ibin) {
int binx1 = ibin;
int binx2 = nbins+1-ibin;
float ievts = hist->Integral(binx1,binx2);
if ( (ievts/nevts)>frac ) continue;
else { hist->GetXaxis()->SetRange(binx1,binx2); break; }
}
return;
}