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LEPNtupleReader.cc
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LEPNtupleReader.cc
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#include "LEPNtupleReader.hh"
#include "TTree.h"
#include "TFile.h"
#include "TMath.h"
#include <iostream>
using std::cout;
using std::endl;
#include <sstream>
#include <string>
using std::string;
#include <stdexcept>
#include <numeric>
// Link PXLIB Fortran
// extern "C" {
// void pxlth4_( Int_t*, Int_t*, Float_t*, Float_t*, Float_t*, Int_t* );
// };
LEPNtupleReader::LEPNtupleReader() : nt_file(0), nt_tree(0), nt_isMC(false), lprint(false) {}
LEPNtupleReader::LEPNtupleReader( const char* filename, const char* ntid, const bool lpr ) :
nt_file(0), nt_tree(0), nt_isMC(false), nt_vtlvcache{false},
nt_nevents(0), lprint(lpr),
vtlvCache{ { "parton", std::vector<TLorentzVector>() },
{ "hadron", std::vector<TLorentzVector>() },
{ "tracks", std::vector<TLorentzVector>() },
{ "cluster", std::vector<TLorentzVector>() },
{ "tc", std::vector<TLorentzVector>() },
{ "mt", std::vector<TLorentzVector>() } },
cacheIsValid{ { "parton", false },
{ "hadron", false },
{ "tracks", false },
{ "cluster", false },
{ "tc", false },
{ "mt", false } }
{
OpenFileAndLoadNtuple( filename, ntid );
return;
}
LEPNtupleReader::~LEPNtupleReader() {
try { CloseFile(); }
catch( const std::runtime_error & e ) {}
}
void LEPNtupleReader::OpenFileAndLoadNtuple( const char* filename,
const char* ntid ) {
if( lprint ) {
cout << "LEPNtupleReader::OpenFileAndLoadNtuple: opening file: "
<< filename << endl;
}
nt_file= TFile::Open( filename );
if( not nt_file ) {
string txt= "LEPNtupleReader::OpenFileAndLoadNtuple: file not found: ";
txt+= filename;
throw std::runtime_error( txt );
}
if( not nt_file->IsOpen() ) {
string txt= "LEPNtupleReader::OpenFileAndLoadNtuple: file not open: ";
txt+= filename;
throw std::runtime_error( txt );
}
nt_tree= (TTree*) nt_file->Get( ntid );
if( nt_tree == 0 ) {
string txt= "LEPNtupleReader::OpenFileAndLoadNtuple: tree not found: ";
txt+= ntid;
throw std::runtime_error( txt );
}
if( lprint ) {
cout << "LEPNtupleReader::OpenFileAndLoadNtuple: "
<< GetNumberEntries() << " events on file" << endl;
}
string sfilename( filename );
if( sfilename.find( "mc" ) != string::npos ) nt_isMC= true;
Init();
nt_nevents= 0;
return;
}
void LEPNtupleReader::CloseFile() {
if( nt_file ) {
if( lprint ) {
cout << "LEPNtupleReader::CloseFile: closing file: "
<< nt_file->GetName() << ", " << nt_nevents << " events" << endl;
}
nt_file->Close();
delete nt_file;
nt_file= 0;
}
else {
throw std::runtime_error( "LEPNtupleReader::CloseFile: NULL file pointer" );
}
return;
}
Int_t LEPNtupleReader::GetNumberEntries() {
if( nt_tree ) return nt_tree->GetEntries();
else return -1;
}
bool LEPNtupleReader::GetNextEvent( Int_t maxevt ) {
bool maxreached= maxevt > 0 and maxevt == nt_nevents;
return not maxreached and GetEvent( nt_nevents );
}
bool LEPNtupleReader::GetEvent( Int_t ievent ) {
bool result= false;
if( nt_tree and nt_tree->GetEvent( ievent ) > 0 ) {
result= true;
for( const auto & keyValue : cacheIsValid ) cacheIsValid[keyValue.first]= false;
nt_nevents++;
}
return result;
}
bool LEPNtupleReader::MCNonRad() {
bool result= false;
Int_t inonr= nt_Inonr;
if( nt_isMC and inonr == 1 ) result= true;
return result;
}
bool LEPNtupleReader::inRange( Int_t njet, Int_t max ) {
return njet > 0 and njet <= max;
}
Double_t LEPNtupleReader::getRecoYmergeValue( const std::string& reco,
Int_t njet,
Int_t maxmt, Float_t* Ymt,
Int_t maxtc, Float_t* Ytc,
Int_t maxt, Float_t* Yt,
Int_t maxc, Float_t* Yc,
Int_t maxh, Float_t* Yh,
Int_t maxp, Float_t* Yp ) {
Double_t result= -1.0;
if( reco == "mt" and inRange( njet, maxmt ) ) result= Ymt[njet-1];
else if( reco == "tc" and inRange( njet, maxtc ) ) result= Ytc[njet-1];
else if( reco == "tracks" and inRange( njet, maxt ) ) result= Yt[njet-1];
else if( reco == "cluster" and inRange( njet, maxc ) ) result= Yc[njet-1];
else if( reco == "hadron" and inRange( njet, maxh ) ) result= Yh[njet-1];
else if( reco == "parton" and inRange( njet, maxp ) ) result= Yp[njet-1];
// else {
// std::cout << "LEPNtupleReader::getRecoYmergeValue: no value found " << reco << " "
// << njet << " ";
// if( reco == "mt" ) std::cout << maxmt;
// else if( reco == "tc" ) std::cout << maxtc;
// else if( reco == "tracks" ) std::cout << maxt;
// else if( reco == "cluster" ) std::cout << maxc;
// else if( reco == "hadron" ) std::cout << maxh;
// else if( reco == "parton" ) std::cout << maxp;
// std::cout << std::endl;
// }
return result;
}
Double_t LEPNtupleReader::getRecoValue( const std::string& reco,
Float_t mt,
Float_t tc,
Float_t tracks,
Float_t cluster,
Float_t hadron,
Float_t parton ) {
Double_t value= -1.0;
if( reco == "mt" ) value= mt;
else if( reco == "tc" ) value= tc;
else if( reco == "tracks" ) value= tracks;
else if( reco == "clusters" ) value= cluster;
else if( reco == "hadron" ) value= hadron;
else if( reco == "parton" ) value= parton;
else std::cout << "LEPNtupleReader::getRecoValue: reco method "
<< reco << " not recognised" << std::endl;
return value;
}
Double_t LEPNtupleReader::getYmerge( const std::string& algorithm,
const std::string& reco, Int_t njet ) {
if( algorithm == "jade" ) {
return getRecoYmergeValue( reco, njet,
nt_Nxjemt, nt_Yedmt, nt_Nxjetc, nt_Yedtc,
nt_Nxjet, nt_Yedt, nt_Nxjec, nt_Yedc,
nt_Nxjeh, nt_Yeh, nt_Nxjep, nt_Yep );
}
else if( algorithm == "durham" ) {
return getRecoYmergeValue( reco, njet,
nt_Nxjdmt, nt_Yddmt, nt_Nxjdtc, nt_Yddtc,
nt_Nxjdt, nt_Yddt, nt_Nxjdc, nt_Yddc,
nt_Nxjdh, nt_Ydh, nt_Nxjdp, nt_Ydp );
}
else {
throw std::runtime_error( "LEPNtupleReader::getYmerge: algorithm not known "+algorithm );
}
}
Double_t LEPNtupleReader::getThrust( const std::string& reco ) {
return getRecoValue( reco, nt_Tdmt, nt_Tdtc, nt_Tdt, nt_Tdc, nt_Th, nt_Tp );
}
void LEPNtupleReader::SetBranchAddressChecked( const char* branchname, void* address ) {
if( nt_tree->GetBranch( branchname ) != 0 ) {
nt_tree->SetBranchAddress( branchname, address );
}
else {
std::cout << "Can't set branch address " << branchname << std::endl;
}
return;
}
void LEPNtupleReader::Init() {
// Preselection:
nt_tree->SetBranchAddress( "Icjst", &nt_Icjst );
nt_tree->SetBranchAddress( "Iebst", &nt_Iebst );
// ITKM and L2MH in subclasses
// nt_tree->SetBranchAddress( "Itkmh", &nt_Itkmh );
// General selection:
nt_tree->SetBranchAddress( "Ntkd02", &nt_Ntkd02 );
nt_tree->SetBranchAddress( "Tvectc", &nt_Tvectc );
// Calculated shapes and jets:
nt_tree->SetBranchAddress( "Tdmt", &nt_Tdmt );
nt_tree->SetBranchAddress( "Tdt", &nt_Tdt );
nt_tree->SetBranchAddress( "Tdc", &nt_Tdc );
nt_tree->SetBranchAddress( "Tdtc", &nt_Tdtc );
nt_tree->SetBranchAddress( "Nxjdmt", &nt_Nxjdmt );
nt_tree->SetBranchAddress( "Yddmt", &nt_Yddmt );
nt_tree->SetBranchAddress( "Nxjdt", &nt_Nxjdt );
nt_tree->SetBranchAddress( "Yddt", &nt_Yddt );
nt_tree->SetBranchAddress( "Nxjdc", &nt_Nxjdc );
nt_tree->SetBranchAddress( "Yddc", &nt_Yddc );
nt_tree->SetBranchAddress( "Nxjdtc", &nt_Nxjdtc );
nt_tree->SetBranchAddress( "Yddtc", &nt_Yddtc );
nt_tree->SetBranchAddress( "Nxjemt", &nt_Nxjemt );
nt_tree->SetBranchAddress( "Yedmt", &nt_Yedmt );
nt_tree->SetBranchAddress( "Nxjet", &nt_Nxjet );
nt_tree->SetBranchAddress( "Yedt", &nt_Yedt );
nt_tree->SetBranchAddress( "Nxjec", &nt_Nxjec );
nt_tree->SetBranchAddress( "Yedc", &nt_Yedc );
nt_tree->SetBranchAddress( "Nxjetc", &nt_Nxjetc );
nt_tree->SetBranchAddress( "Yedtc", &nt_Yedtc );
// Tracks and clusters:
nt_tree->SetBranchAddress( "Ntrk", &nt_Ntrk );
nt_tree->SetBranchAddress( "Id02", &nt_Id02 );
nt_tree->SetBranchAddress( "Ptrk", &nt_Ptrk );
nt_tree->SetBranchAddress( "Nclus", &nt_Nclus );
nt_tree->SetBranchAddress( "Pclus", &nt_Pclus );
nt_tree->SetBranchAddress( "Nmttrk", &nt_Nmttrk );
nt_tree->SetBranchAddress( "Imttrk", &nt_Imttrk );
nt_tree->SetBranchAddress( "Mtscft", &nt_Mtscft );
nt_tree->SetBranchAddress( "Nmtcls", &nt_Nmtcls );
nt_tree->SetBranchAddress( "Nmtkil", &nt_Nmtkil );
nt_tree->SetBranchAddress( "Imtkil", &nt_Imtkil );
nt_tree->SetBranchAddress( "Imtcls", &nt_Imtcls );
nt_tree->SetBranchAddress( "Mtscfc", &nt_Mtscfc );
// MC quantities:
// Partons and hadrons:
if( nt_isMC ) {
SetBranchAddressChecked( "Inonr", &nt_Inonr );
SetBranchAddressChecked( "Ntrkp", &nt_Ntrkp );
SetBranchAddressChecked( "Ptrkp", &nt_Ptrkp );
SetBranchAddressChecked( "Ntrkh", &nt_Ntrkh );
SetBranchAddressChecked( "Ptrkh", &nt_Ptrkh );
nt_tree->SetBranchAddress( "Th", &nt_Th );
nt_tree->SetBranchAddress( "Tp", &nt_Tp );
nt_tree->SetBranchAddress( "Nxjdh", &nt_Nxjdh );
nt_tree->SetBranchAddress( "Ydh", &nt_Ydh );
nt_tree->SetBranchAddress( "Nxjdp", &nt_Nxjdp );
nt_tree->SetBranchAddress( "Ydp", &nt_Ydp );
nt_tree->SetBranchAddress( "Nxjeh", &nt_Nxjeh );
nt_tree->SetBranchAddress( "Yeh", &nt_Yeh );
nt_tree->SetBranchAddress( "Nxjep", &nt_Nxjep );
nt_tree->SetBranchAddress( "Yep", &nt_Yep );
}
return;
}
const std::vector<TLorentzVector> LEPNtupleReader::GetLorentzVectors( const std::string & opt ) {
if( cacheIsValid[opt] ) return vtlvCache[opt];
vtlv= vtlvCache[opt];
if( opt == "parton" ) {
getPTlv();
}
else if( opt == "hadron" ) {
getHTlv();
}
else if( opt == "tracks" ) {
getTrkTlv();
}
else if( opt == "clusters" ) {
getClsTlv();
}
else if( opt == "tc" ) {
getTCTlv();
}
else if( opt == "mt" ) {
getMtTlv();
}
else {
throw std::runtime_error( "LEPNtupleReader::GetLorentzVectors: option "+opt+" not recognised" );
}
vtlvCache[opt]= vtlv;
cacheIsValid[opt]= true;
return vtlv;
}
void LEPNtupleReader::getPTlv() {
vtlv.resize( nt_Ntrkp );
for( Int_t itrk= 0; itrk < nt_Ntrkp; itrk++ ) {
for( Int_t j= 0; j < 4; j++ ) vtlv[itrk][j]= nt_Ptrkp[itrk][j];
}
}
void LEPNtupleReader::getHTlv() {
vtlv.resize( nt_Ntrkh );
for( Int_t itrk= 0; itrk < nt_Ntrkh; itrk++ ) {
for( Int_t j= 0; j < 4; j++ ) vtlv[itrk][j]= nt_Ptrkh[itrk][j];
}
}
void LEPNtupleReader::getTCTlv() {
Int_t ntrack= getTrkTlv();
getClsTlv( ntrack );
return;
}
Int_t LEPNtupleReader::getTrkTlv() {
vtlv.resize( nt_Ntrk );
Float_t mpi2= pow( 0.140, 2 );
Int_t ifill= 0;
for( Int_t itrk= 0; itrk < nt_Ntrk; itrk++ ) {
if( nt_Id02[itrk] == 0 ) continue;
if( ifill == nt_maxtrk ) {
std::cout << "LEPNtupleReader::getTrk: array too small " << ifill << std::endl;
break;
}
Float_t sum= 0.0;
for( Int_t j= 0; j < 3; j++ ) {
vtlv[ifill][j]= nt_Ptrk[itrk][j];
sum+= pow( vtlv[ifill][j], 2 );
}
vtlv[ifill][3]= sqrt( sum+mpi2 );
ifill++;
}
vtlv.resize( ifill );
return ifill;
}
void LEPNtupleReader::getClsTlv( Int_t ioff ) {
vtlv.resize( ioff+nt_Nclus );
for( Int_t iclus= 0; iclus < nt_Nclus; iclus++ ) {
Float_t sum= 0.0;
for( Int_t j= 0; j < 3; j++ ) {
vtlv[ioff+iclus][j]= nt_Pclus[iclus][j];
sum+= pow( vtlv[ioff+iclus][j], 2 );
}
vtlv[ioff+iclus][3]= sqrt( sum );
}
return;
}
void LEPNtupleReader::getMtTlv() {
vtlv.resize( nt_Ntrk+nt_Nclus );
// Tracks first:
Float_t mpi2= pow( 0.140, 2 );
Int_t ifill= 0;
for( Int_t itrk= 0; itrk < nt_Ntrk; itrk++ ) {
if( ifill == nt_maxtrk ) {
std::cout << "LEPNtupleReader::getMtTlv: array too small " << ifill << std::endl;
break;
}
// Check if track is selected:
if( nt_Id02[itrk] == 0 ) continue;
// Check if track is scaled:
Float_t scf= 1.0;
for( Int_t jmttrk= 0; jmttrk < nt_Nmttrk; jmttrk++ ) {
if( nt_Imttrk[jmttrk]-1 == itrk ) {
scf= nt_Mtscft[jmttrk];
break;
}
}
// Copy track components:
Float_t sum= 0.0;
for( Int_t j= 0; j < 3; j++ ) {
vtlv[ifill][j]= nt_Ptrk[itrk][j]*scf;
sum+= pow( vtlv[ifill][j], 2 );
}
vtlv[ifill][3]= sqrt( sum + mpi2 );
ifill++;
}
// Clusters are either killed, scaled or copied:
for( Int_t iclus= 0; iclus < TMath::Min( nt_maxtrk, nt_Nclus ); iclus++ ) {
if( ifill == nt_maxtrk ) {
std::cout << "Ntuple::getMtTlv: array too small " << ifill << std::endl;
break;
}
// Check if cluster is killed:
bool killed= false;
for( Int_t jmtkil= 0; jmtkil < nt_Nmtkil; jmtkil++ ) {
if( nt_Imtkil[jmtkil]-1 == iclus ) {
killed= true;
break;
}
}
if( killed ) continue;
// Check if cluster is scaled:
Float_t scf= 1.0;
for( Int_t jmtcls= 0; jmtcls < nt_Nmtcls; jmtcls++ ) {
if( nt_Imtcls[jmtcls]-1 == iclus ) {
scf= nt_Mtscfc[jmtcls];
break;
}
}
// Copy cluster components:
Float_t sum= 0.0;
for( Int_t j= 0; j < 3; j++ ) {
vtlv[ifill][j]= nt_Pclus[iclus][j]*scf;
sum+= pow( vtlv[ifill][j], 2 );
}
vtlv[ifill][3]= sqrt( sum );
ifill++;
}
// The End:
vtlv.resize( ifill );
return;
}
Double_t LEPNtupleReader::Evis( const std::vector<TLorentzVector>& v ) const {
Double_t evis= std::accumulate( v.begin(), v.end(), 0.0,
[]( Double_t sum, const TLorentzVector& tlv ) {
return sum+= tlv.E();
}
);
return evis;
}