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source: svn/trunk/Delphes.cpp@ 265

Last change on this file since 265 was 264, checked in by Xavier Rouby, 16 years ago
first test 2.0
File size: 40.4 KB

Rev	Line
[260]	1	/***********************************************************************
	2
	3	/----------------------------------------------\
	4	\| Delphes, a framework for the fast simulation \|
	5	\| of a generic collider experiment \|
	6	\----------------------------------------------/
	7
	8
	9	This package uses:
	10	------------------
	11	FastJet algorithm: Phys. Lett. B641 (2006) [hep-ph/0512210]
	12	Hector: JINST 2:P09005 (2007) [physics.acc-ph:0707.1198v2]
	13	FROG: [hep-ex/0901.2718v1]
	14
	15	------------------------------------------------------------------
	16
	17	Main authors:
	18	-------------
	19
	20	Severine Ovyn Xavier Rouby
	21	severine.ovyn@uclouvain.be xavier.rouby@cern
	22
	23	Center for Particle Physics and Phenomenology (CP3)
	24	Universite catholique de Louvain (UCL)
	25	Louvain-la-Neuve, Belgium
	26
	27	Copyright (C) 2008-2009,
	28	All rights reserved.
	29
	30	***********************************************************************/
[2]	31
	32	/// \file Delphes.cpp
[264]	33	/// \brief Executable for Delphes
[2]	34
	35	#include "TChain.h"
	36	#include "TApplication.h"
[191]	37	#include "TStopwatch.h"
[228]	38	#include "TFile.h"
[2]	39
[228]	40	#include "ExRootTreeReader.h"
	41	#include "ExRootTreeWriter.h"
	42	#include "ExRootTreeBranch.h"
[264]	43	#include "ExRootProgressBar.h"
[2]	44
[228]	45	#include "DataConverter.h"
	46	#include "HEPEVTConverter.h"
	47	#include "LHEFConverter.h"
	48	#include "STDHEPConverter.h"
[2]	49
[228]	50	#include "SmearUtil.h"
[264]	51	#include "CaloUtil.h"
[228]	52	#include "BFieldProp.h"
	53	#include "TriggerUtil.h"
	54	#include "VeryForward.h"
	55	#include "JetsUtil.h"
	56	#include "FrogUtil.h"
[2]	57
[55]	58	#include <vector>
	59	#include <iostream>
[11]	60
[2]	61	using namespace std;
	62
	63	//------------------------------------------------------------------------------
	64	void todo(string filename) {
	65	ifstream infile(filename.c_str());
	66	cout << "** TODO list ..." << endl;
	67	while(infile.good()) {
[94]	68	string temp;
	69	getline(infile,temp);
	70	cout << "*" << temp << endl;
[2]	71	}
	72	cout << "** done...\n";
	73	}
	74
	75	//------------------------------------------------------------------------------
	76
	77	int main(int argc, char *argv[])
	78	{
[264]	79	unsigned int nnnn=0, mmmm=0;
	80
[2]	81	int appargc = 2;
[228]	82	char *appName= new char[20];
	83	char *appOpt= new char[20];
	84	sprintf(appName,"Delphes");
	85	sprintf(appOpt,"-b");
	86	char *appargv[] = {appName,appOpt};
[2]	87	TApplication app(appName, &appargc, appargv);
[228]	88	delete [] appName;
	89	delete [] appOpt;
	90
[249]	91	if(argc != 3 && argc != 4 && argc != 5) {
[94]	92	cout << " Usage: " << argv[0] << " input_file output_file [detector_card] [trigger_card] " << endl;
	93	cout << " input_list - list of files in Ntpl, StdHep of LHEF format," << endl;
	94	cout << " output_file - output file." << endl;
	95	cout << " detector_card - Datacard containing resolution variables for the detector simulation (optional) "<<endl;
	96	cout << " trigger_card - Datacard containing the trigger algorithms (optional) "<<endl;
	97	exit(1);
[2]	98	}
[228]	99
	100
	101
[212]	102
	103	cout << endl << endl;
	104
	105	cout <<"*********************************************************************"<< endl;
	106	cout <<"*********************************************************************"<< endl;
	107	cout <<" "<< endl;
	108	cout <<" Welcome to "<< endl;
	109	cout <<" "<< endl;
	110	cout <<" "<< endl;
	111	cout <<" .ddddddd- lL hH "<< endl;
	112	cout <<" -Dd` `dD: Ll hH` "<< endl;
	113	cout <<" dDd dDd eeee. lL .pp+pp Hh+hhh` -eeee- `sssss "<< endl;
	114	cout <<" -Dd `DD ee. ee Ll .Pp. PP Hh. HH. ee. ee sSs "<< endl;
	115	cout <<" dD` dDd eEeee: lL. pP. pP hH hH` eEeee:` -sSSSs. "<< endl;
	116	cout <<" .Dd :dd eE. LlL PpppPP Hh Hh eE sSS "<< endl;
	117	cout <<" dddddd:. eee+: lL. pp. hh. hh eee+ sssssS "<< endl;
	118	cout <<" Pp "<< endl;
	119	cout <<" "<< endl;
	120	cout <<" Delphes, a framework for the fast simulation "<< endl;
	121	cout <<" of a generic collider experiment "<< endl;
	122	cout <<" "<< endl;
[260]	123	cout <<" --- Version 1.4beta of Delphes --- "<< endl;
	124	cout <<" Last date of change: 9 February 2009 "<< endl;
[212]	125	cout <<" "<< endl;
	126	cout <<" "<< endl;
	127	cout <<" This package uses: "<< endl;
	128	cout <<" ------------------ "<< endl;
	129	cout <<" FastJet algorithm: Phys. Lett. B641 (2006) [hep-ph/0512210] "<< endl;
	130	cout <<" Hector: JINST 2:P09005 (2007) [physics.acc-ph:0707.1198v2] "<< endl;
[260]	131	cout <<" FROG: [hep-ex/0901.2718v1] "<< endl;
[212]	132	cout <<" "<< endl;
	133	cout <<"-----------------------------------------------------------------"<< endl;
	134	cout <<" "<< endl;
	135	cout <<" Main authors: "<< endl;
	136	cout <<" ------------- "<< endl;
	137	cout <<" "<< endl;
	138	cout <<" SÃ©verine Ovyn Xavier Rouby "<< endl;
	139	cout <<" severine.ovyn@uclouvain.be xavier.rouby@cern "<< endl;
	140	cout <<" Center for Particle Physics and Phenomenology (CP3) "<< endl;
	141	cout <<" Universite Catholique de Louvain (UCL) "<< endl;
	142	cout <<" Louvain-la-Neuve, Belgium "<< endl;
	143	cout <<" "<< endl;
	144	cout <<"-----------------------------------------------------------------"<< endl;
	145	cout <<" "<< endl;
	146	cout <<" Former Delphes versions and documentation can be found on : "<< endl;
	147	cout <<" http://www.fynu.ucl.ac.be/delphes.html "<< endl;
	148	cout <<" "<< endl;
	149	cout <<" "<< endl;
	150	cout <<" Disclaimer: this program is a beta version of Delphes and "<< endl;
	151	cout <<" therefore comes without guarantees. Beware of errors and please "<< endl;
	152	cout <<" give us your feedbacks about potential bugs "<< endl;
	153	cout <<" "<< endl;
	154	cout <<"*********************************************************************"<< endl;
	155	cout <<"*********************************************************************"<< endl;
	156
[178]	157	// 1. ******** initialisation *********
	158
[2]	159	srand (time (NULL)); /* Initialisation du gÃ©nÃ©rateur */
[191]	160	TStopwatch globalwatch, loopwatch, triggerwatch, frogwatch;
	161	globalwatch.Start();
	162
[2]	163
[249]	164	//read the output TROOT file
[2]	165	string inputFileList(argv[1]), outputfilename(argv[2]);
[249]	166	if(outputfilename.find(".root") > outputfilename.length()) {
	167	cout <<" ERROR: 'output_file' should be a .root file. Exiting... "<< endl;
[94]	168	exit(1);
[2]	169	}
[44]	170	//create output log-file name
[45]	171	string forLog = outputfilename;
	172	string LogName = forLog.erase(forLog.find(".root"));
[44]	173	LogName = LogName+"_run.log";
[94]	174
[2]	175	TFile *outputFile = TFile::Open(outputfilename.c_str(), "RECREATE"); // Creates the file, but should be closed just after
	176	outputFile->Close();
[94]	177
[2]	178	string line;
	179	ifstream infile(inputFileList.c_str());
	180	infile >> line; // the first line determines the type of input files
[94]	181
[44]	182	//read the datacard input file
[249]	183	string DetDatacard(""); //for detector smearing parameters
	184	string TrigDatacard("data/trigger.dat"); //for trigger selection
	185
	186	string lineCard1,lineCard2;
	187	bool detecCard=false,trigCard=false;
	188	if(argv[3])
	189	{
	190	ifstream infile1(argv[3]);
	191	infile1 >> lineCard1; // the first line determines the type of input files
	192	if(strstr(lineCard1.c_str(),"DETECTOR") && detecCard==true)
	193	cerr <<" ERROR: A DETECTOR card has already been loaded "<< endl;
	194	else if(strstr(lineCard1.c_str(),"DETECTOR") && detecCard==false){DetDatacard =argv[3]; detecCard=true;}
	195	else if(strstr(lineCard1.c_str(),"TRIGGER") && trigCard==true)
	196	cerr <<" ERROR: A TRIGGER card has already been loaded "<< endl;
	197	else if(strstr(lineCard1.c_str(),"TRIGGER") && trigCard==false){TrigDatacard =argv[3]; trigCard=true;}
	198	}
	199	if(argv[4])
	200	{
	201	ifstream infile2(argv[4]);
	202	infile2 >> lineCard2; // the first line determines the type of input files
	203	if(strstr(lineCard2.c_str(),"DETECTOR") && detecCard==true)
	204	cerr <<" ERROR: A DETECTOR card has already been loaded "<< endl;
	205	else if(strstr(lineCard2.c_str(),"DETECTOR") && detecCard==false){DetDatacard =argv[4]; detecCard=true;}
	206	else if(strstr(lineCard2.c_str(),"TRIGGER") && trigCard==true)
	207	cerr <<" ERROR: A TRIGGER card has already been loaded "<< endl;
	208	else if(strstr(lineCard2.c_str(),"TRIGGER") && trigCard==false){TrigDatacard =argv[4]; trigCard=true;}
	209	}
[94]	210
[55]	211	//Smearing information
[44]	212	RESOLution *DET = new RESOLution();
[212]	213	cout <<" "<< endl;
	214	cout <<" ####### Start reading DETECTOR parameters ####### "<< endl;
	215	cout << left << setw(40) <<"** Opening configuration card: "<<""
[258]	216	<< left << setw(27) << DetDatacard <<""
	217	<< right << setw(2) <<"**"<<""<<endl;
[44]	218	DET->ReadDataCard(DetDatacard);
	219	DET->Logfile(LogName);
[212]	220	cout << left << setw(42) <<"** Parameters summarised in file: "<<""
[258]	221	<< left << setw(27) << LogName <<""
	222	<< right << setw(2) <<"**"<<""<<endl;
[212]	223	cout <<" "<< endl;
[228]	224
[55]	225	//Trigger information
[249]	226	cout <<" ########### Start reading TRIGGER card ########## "<< endl;
	227	if(trigCard==false)
	228	{
	229	cout <<" WARNING: Datadard not found, use default card " << endl;
	230	TrigDatacard="data/trigger.dat";
	231	}
[72]	232	TriggerTable *TRIGT = new TriggerTable();
[80]	233	TRIGT->TriggerCardReader(TrigDatacard.c_str());
[72]	234	TRIGT->PrintTriggerTable(LogName);
[212]	235	if(DET->FLAG_trigger == 1)
	236	{
	237	cout << left << setw(40) <<"** Opening configuration card: "<<""
[258]	238	<< left << setw(27) << TrigDatacard <<""
	239	<< right << setw(2) <<"**"<<""<<endl;
[212]	240	cout <<" "<< endl;
	241	}
[94]	242
[55]	243	//Propagation of tracks in the B field
[228]	244	TrackPropagation *TRACP = new TrackPropagation(DET);
[94]	245
[55]	246	//Jet information
[228]	247	JetsUtil *JETRUN = new JetsUtil(DET);
[94]	248
[55]	249	//VFD information
[228]	250	VeryForward * VFD = new VeryForward(DET);
[178]	251
	252	// data converters
[228]	253	DataConverter *converter=NULL;
[212]	254	cout <<" "<<endl;
	255	cout <<" ####### Start convertion to TRoot format ######## "<< endl;
	256
[2]	257	if(strstr(line.c_str(),".hep"))
	258	{
[212]	259	cout <<" StdHEP file format detected "<<endl;
	260	cout <<" This can take several minutes "<< endl;
[2]	261	converter = new STDHEPConverter(inputFileList,outputfilename);//case ntpl file in input list
	262	}
	263	else if(strstr(line.c_str(),".lhe"))
	264	{
[212]	265	cout <<" LHEF file format detected "<<endl;
	266	cout <<" This can take several minutes "<< endl;
[2]	267	converter = new LHEFConverter(inputFileList,outputfilename);//case ntpl file in input list
	268	}
	269	else if(strstr(line.c_str(),".root"))
	270	{
[212]	271	cout <<" h2root file format detected "<<endl;
	272	cout <<" This can take several minutes "<< endl;
[2]	273	converter = new HEPEVTConverter(inputFileList,outputfilename);//case ntpl file in input list
	274	}
[212]	275	else {
[246]	276	cerr << left << setw(4) <<"** "<<""
[212]	277	<< left << setw(63) << line.c_str() <<""
	278	<< right << setw(2) <<"**"<<endl;
[246]	279	cerr <<" ERROR: File format not identified -- Exiting... "<< endl;
[212]	280	cout <<" "<< endl;
	281	cout <<"*********************************************************************"<< endl;
	282	return -1;};
	283	cout <<" Exiting conversion... "<< endl;
	284
[2]	285	TChain chain("GEN");
	286	chain.Add(outputfilename.c_str());
	287	ExRootTreeReader *treeReader = new ExRootTreeReader(&chain);
	288	const TClonesArray *branchGen = treeReader->UseBranch("Particle");
[249]	289
[2]	290	TIter itGen((TCollection*)branchGen);
	291
[178]	292	//Output file : contents of the analysis object data
[2]	293	ExRootTreeWriter *treeWriter = new ExRootTreeWriter(outputfilename, "Analysis");
	294	ExRootTreeBranch *branchJet = treeWriter->NewBranch("Jet", TRootJet::Class());
	295	ExRootTreeBranch *branchTauJet = treeWriter->NewBranch("TauJet", TRootTauJet::Class());
	296	ExRootTreeBranch *branchElectron = treeWriter->NewBranch("Electron", TRootElectron::Class());
	297	ExRootTreeBranch *branchMuon = treeWriter->NewBranch("Muon", TRootMuon::Class());
	298	ExRootTreeBranch *branchPhoton = treeWriter->NewBranch("Photon", TRootPhoton::Class());
[264]	299	//ExRootTreeBranch *branchTracks = treeWriter->NewBranch("Tracks", TRootTracks::Class());
	300	ExRootTreeBranch *branchTrack = treeWriter->NewBranch("Tracks", D_Track::Class());
[2]	301	ExRootTreeBranch *branchETmis = treeWriter->NewBranch("ETmis", TRootETmis::Class());
	302	ExRootTreeBranch *branchCalo = treeWriter->NewBranch("CaloTower", TRootCalo::Class());
	303	ExRootTreeBranch *branchZDC = treeWriter->NewBranch("ZDChits", TRootZdcHits::Class());
	304	ExRootTreeBranch *branchRP220 = treeWriter->NewBranch("RP220hits", TRootRomanPotHits::Class());
	305	ExRootTreeBranch *branchFP420 = treeWriter->NewBranch("FP420hits", TRootRomanPotHits::Class());
[30]	306
[2]	307	TRootETmis *elementEtmis;
	308	TRootElectron *elementElec;
	309	TRootMuon *elementMu;
	310	TRootPhoton *elementPhoton;
[264]	311	D_Track * elementTrack;
[2]	312	TRootCalo *elementCalo;
	313
[184]	314	TLorentzVector genMomentum(0,0,0,0); // four-momentum at the vertex
	315	TLorentzVector genMomentumBfield(0,0,0,0); // four-momentum at the exit of the tracks
	316	TLorentzVector momentumCaloSegmentation(0,0,0,0); // four-momentum in the calo, after applying the calo segmentation
[2]	317	LorentzVector jetMomentum;
[94]	318
[55]	319	vector<fastjet::PseudoJet> input_particles;//for FastJet algorithm
	320	vector<fastjet::PseudoJet> sorted_jets;
[2]	321	vector<TLorentzVector> TrackCentral;
	322	vector<PhysicsTower> towers;
[264]	323	//vector<ParticleUtil> electron;
	324	vector<D_Particle> electron;
	325	//vector<ParticleUtil> muon;
	326	vector<D_Particle> muon;
	327	//vector<ParticleUtil> gamma;
	328	vector<D_Particle> gamma;
[98]	329
[30]	330	TSimpleArray<TRootGenParticle> NFCentralQ;
[100]	331
[264]	332	D_CaloList list_of_calorimeters;
	333	D_CaloElement CentralCalo("centralcalo",
	334	-DET->CEN_max_calo_cen, DET->CEN_max_calo_cen,
	335	DET->ELG_Ccen, DET->ELG_Ncen, DET->ELG_Scen,
	336	DET->HAD_Chcal, DET->HAD_Nhcal, DET->HAD_Shcal);
	337	D_CaloElement ForwardCalo("forwardcalo",
	338	DET->CEN_max_calo_cen, DET->CEN_max_calo_fwd,
	339	DET->ELG_Cfwd, DET->ELG_Nfwd, DET->ELG_Sfwd,
	340	DET->HAD_Chf, DET->HAD_Nhf, DET->HAD_Shf );
	341	D_CaloElement BackwardCalo("backwardcalo",
	342	-DET->CEN_max_calo_fwd, -DET->CEN_max_calo_cen,
	343	DET->ELG_Cfwd, DET->ELG_Nfwd, DET->ELG_Sfwd,
	344	DET->HAD_Chf, DET->HAD_Nhf, DET->HAD_Shf );
	345	//D_CaloElement CastorCalo("castor",5.5,6.6,1,0,0,1,0,0);
	346	list_of_calorimeters.addElement(CentralCalo);
	347	list_of_calorimeters.addElement(ForwardCalo);
	348	list_of_calorimeters.addElement(BackwardCalo);
	349	//list_of_calorimeters.addElement(CastorCalo);
	350	list_of_calorimeters.sortElements();
[178]	351
	352
	353	// 2. ******** Loop over all events *********
[2]	354	Long64_t entry, allEntries = treeReader->GetEntries();
[212]	355	cout <<" "<<endl;
	356	cout <<" ####### Start fast detector simulation ######## "<< endl;
	357	cout << left << setw(52) <<"** Total number of events to run: "<<""
	358	<< left << setw(15) << allEntries <<""
	359	<< right << setw(2) <<"**"<<endl;
	360
[251]	361	ExRootProgressBar *Progress = new ExRootProgressBar(allEntries);
	362
[191]	363	loopwatch.Start();
[178]	364
	365	// loop on all events
	366	for(entry = 0; entry < allEntries; ++entry)
[2]	367	{
[251]	368	Progress->Update(entry);
[2]	369	TLorentzVector PTmis(0,0,0,0);
	370	treeReader->ReadEntry(entry);
	371	treeWriter->Clear();
	372
[30]	373	electron.clear();
	374	muon.clear();
[74]	375	gamma.clear();
[30]	376	NFCentralQ.Clear();
	377
[2]	378	TrackCentral.clear();
	379	towers.clear();
[11]	380	input_particles.clear();
[264]	381
	382
	383	/*
	384	if(0) { // OLD SMEARING ALGORITHM without energy flow
[178]	385	// 2.1 Loop over all particles in event
[74]	386	itGen.Reset();
[178]	387	while( (particle = (TRootGenParticle*) itGen.Next()) ) {
[55]	388	int pid = abs(particle->PID);
[264]	389	float iPhi=0,iEta=0;
[178]	390
	391
	392	// 2.1.1********************* preparation for the b-tagging
[94]	393	//// This subarray is needed for the B-jet algorithm
[2]	394	// optimization for speed : put first PID condition, then ETA condition, then either pt or status
	395	if( (pid <= pB \|\| pid == pGLUON) &&// is it a light quark or a gluon, i.e. is it one of these : u,d,c,s,b,g ?
[94]	396	fabs(particle->Eta) < DET->CEN_max_tracker &&
[2]	397	particle->Status != 1 &&
	398	particle->PT > DET->PT_QUARKS_MIN ) {
	399	NFCentralQ.Add(particle);
	400	}
[94]	401
[178]	402	// 2.1.2 ********************* central detector: keep only visible particles
[2]	403	// keeps only final particles, visible by the central detector, including the fiducial volume
	404	// the ordering of conditions have been optimised for speed : put first the STATUS condition
	405	if( (particle->Status == 1) &&
[264]	406	(pid != pNU1) && (pid != pNU2) && (pid != pNU3) &&
[94]	407	(fabs(particle->Eta) < DET->CEN_max_calo_fwd)
	408	)
[59]	409	{
[94]	410	genMomentum.SetPxPyPzE(particle->Px, particle->Py, particle->Pz, particle->E);
[184]	411	genMomentumBfield = genMomentum;
[178]	412
	413	// 2.1.2.1 ********************* central detector: magnetic field
[184]	414	// genMomentumBfield is then changed with respect to the magnetic field
	415	if(DET->FLAG_bfield==1) TRACP->Propagation(particle,genMomentumBfield);
	416	float eta=fabs(genMomentumBfield.Eta());
[178]	417
	418
	419	// 2.1.2.2 ********************* central detector: smearing (calorimeters, muon chambers)
[94]	420	switch(pid) {
[74]	421
[94]	422	case pE: // all electrons with eta < DET->MAX_CALO_FWD
[184]	423	DET->SmearElectron(genMomentumBfield);
	424	if(genMomentumBfield.E()!=0 && eta < DET->CEN_max_tracker && genMomentumBfield.Pt() > DET->PTCUT_elec){
	425	electron.push_back(ParticleUtil(genMomentumBfield,particle->PID));
[94]	426	}
	427	break; // case pE
	428	case pGAMMA: // all photons with eta < DET->MAX_CALO_FWD
[184]	429	DET->SmearElectron(genMomentumBfield);
	430	if(genMomentumBfield.E()!=0 && eta < DET->CEN_max_tracker && genMomentumBfield.Pt() > DET->PTCUT_gamma) {
	431	gamma.push_back(ParticleUtil(genMomentumBfield,particle->PID));
[94]	432	}
	433	break; // case pGAMMA
	434	case pMU: // all muons with eta < DET->MAX_MU
[184]	435	DET->SmearMu(genMomentumBfield);
	436	if(genMomentumBfield.E()!=0 && eta < DET->CEN_max_mu && genMomentumBfield.Pt() > DET->PTCUT_muon){
	437	muon.push_back(ParticleUtil(genMomentumBfield,particle->PID));
[94]	438	}
	439	break; // case pMU
	440	case pLAMBDA: // all lambdas with eta < DET->MAX_CALO_FWD
	441	case pK0S: // all K0s with eta < DET->MAX_CALO_FWD
[184]	442	DET->SmearHadron(genMomentumBfield, 0.7);
[94]	443	break; // case hadron
	444	default: // all other final particles with eta < DET->MAX_CALO_FWD
[184]	445	DET->SmearHadron(genMomentumBfield, 1.0);
[94]	446	break;
[178]	447	} // 2.1.2.2 switch (pid)
	448
	449
	450	// 2.1.2.3 ********************* central detector: calotowers
[94]	451	// all final particles but muons and neutrinos
[100]	452	// for calorimetric towers and missing PT
[94]	453	int charge=Charge(pid);
[184]	454	if(genMomentumBfield.E() !=0 && pid != pMU) {
[178]	455	// in case the Bfield is not simulated, checks that charged particles have enough pt to reach the calos
[264]	456	if ( !DET->FLAG_bfield && charge!=0 && genMomentumBfield.Pt() <= DET->TRACK_ptmin ) {}// particules do not reach calos
[178]	457	else { // particles reach calos
	458	// applies the calo segmentation and returns iEta & iPhi
[184]	459	DET->BinEtaPhi(genMomentumBfield.Phi(), genMomentumBfield.Eta(), iPhi, iEta);
[264]	460	if(iEta != UNDEFINED && iPhi != UNDEFINED) {
[184]	461	momentumCaloSegmentation.SetPtEtaPhiE(genMomentumBfield.Pt(),iEta,iPhi,genMomentumBfield.E());
[100]	462	elementCalo = (TRootCalo*) branchCalo->NewEntry();
[184]	463	elementCalo->Set(momentumCaloSegmentation);
	464	PhysicsTower Tower(LorentzVector(momentumCaloSegmentation.Px(),momentumCaloSegmentation.Py(),momentumCaloSegmentation.Pz(),momentumCaloSegmentation.E()));
[100]	465	towers.push_back(Tower);
[264]	466	} // if iEta != UNDEFINED
[178]	467	} // else : when particles reach the calos
	468	} // 2.1.2.3 calotowers
	469
[264]	470
[178]	471	// 2.1.2.4 ********************* central detector: tracks
[94]	472	// all final charged particles
	473	if(
[184]	474	(genMomentumBfield.E()!=0) &&
	475	(fabs(genMomentumBfield.Eta()) < DET->CEN_max_tracker) &&
[264]	476	(DET->FLAG_bfield \|\| ( !DET->FLAG_bfield && genMomentum.Pt() > DET->TRACK_ptmin )) &&
[178]	477	// if bfield not simulated, pt should be high enough to be taken into account
[94]	478	((rand()%100) < DET->TRACK_eff) &&
	479	(charge!=0)
	480	)
	481	{
	482	elementTracks = (TRootTracks*) branchTracks->NewEntry();
[184]	483	elementTracks->Set(genMomentum); // fills px,py,pz,pt,e,eta,phi at vertex
	484	elementTracks->Etaout = genMomentumBfield.Eta();
	485	elementTracks->Phiout = genMomentumBfield.Phi();
	486	// TODO!!! apply a smearing on the position of the origin of the track
	487	// elementTracks->SetPosition(particle->X,particle->Y,particle->Z);
	488	// uses the output of the bfield computation : Xout=... Yout=... Zout...
	489	// TODO!!! elementTrakcs->SetPositionOut(Xout,Yout,Zout);
	490	TrackCentral.push_back(genMomentum); // tracks at vertex!
[178]	491	} // 2.1.2.4 tracks
[94]	492
[178]	493	} // 2.1.2 central detector
[30]	494
[178]	495	// 2.1.3 ********************* forward detectors: zdc
	496	if(DET->FLAG_vfd==1) {
[100]	497	VFD->ZDC(treeWriter,branchZDC,particle);
	498	VFD->RomanPots(treeWriter,branchRP220,branchFP420,particle);
[178]	499	}
[264]	500	} // IF OLD ALGORITHM (= no energy flow )
[178]	501
	502
[264]	503
	504
	505	else // IF NEW ALGORITHM with energy flow
	506	*/
	507	{
	508	D_CaloTowerList list_of_active_towers;
	509	D_CaloTowerList list_of_towers_with_photon; // to speed up the code: will only look in interesting towers for gamma candidates
	510
	511	// 2.1a Loop over all particles in event, to fill the towers
	512	itGen.Reset();
	513	TRootGenParticle *particle;
	514	while( (particle = (TRootGenParticle*) itGen.Next()) ) {
	515	int pid = abs(particle->PID);
	516	particle->Charge=Charge(pid);
	517	particle->setFractions(); // init
	518
	519
	520	// 2.1a.1********************* preparation for the b-tagging
	521	//// This subarray is needed for the B-jet algorithm
	522	// optimization for speed : put first PID condition, then ETA condition, then either pt or status
	523	if( (pid <= pB \|\| pid == pGLUON) &&// is it a light quark or a gluon, i.e. is it one of these : u,d,c,s,b,g ?
	524	fabs(particle->Eta) < DET->CEN_max_tracker &&
	525	particle->Status != 1 &&
	526	particle->PT > DET->PT_QUARKS_MIN ) {
	527	NFCentralQ.Add(particle);
	528	}
	529
	530	// 2.1a.2********************* visible particles only
	531	if( (particle->Status == 1) && (pid != pNU1) && (pid != pNU2) && (pid != pNU3) ){
	532
	533	// 2.1a.2.1 Central solenoidal magnetic field
	534	TRACP->bfield(particle); // fills in particle->EtaCalo et particle->PhiCalo
	535	particle->SetEtaPhi(particle->EtaCalo,particle->PhiCalo); // ???? check this line
	536
	537	// 2.1a.2.2 Filling the calorimetric towers -- includes also forward detectors ?
	538	// first checks if the charged particles reach the calo!
	539	if( DET->FLAG_bfield \|\|
	540	particle->getCharge()==0 \|\|
	541	(!DET->FLAG_bfield && particle->getCharge()!=0 && particle->PT > DET->TRACK_ptmin))
	542	if(
	543	(particle->EtaCalo > list_of_calorimeters.getEtamin() ) &&
	544	(particle->EtaCalo < list_of_calorimeters.getEtamax() )
	545	) {
	546	float iEta=UNDEFINED, iPhi=UNDEFINED;
	547	DET->BinEtaPhi(particle->PhiCalo,particle->EtaCalo,iPhi,iEta); // fills in iPhi and iEta
	548	if (iEta != UNDEFINED && iPhi != UNDEFINED)
	549	{
	550	D_CaloTower tower(iEta,iPhi); // new tower
	551	tower.Set_Eem_Ehad_E_ET(particle->Eparticle->getFem() , particle->Eparticle->getFhad() );
	552
	553	list_of_active_towers.addTower(tower);
	554	// this list may contain several times the same calotower, as several particles
	555	// may leave some energy in the same calotower
	556	// After the loop on particles, identical cells in the list should be merged
	557	} // iEta and iPhi must be defined
	558	}
	559
	560	// 2.1a.2.3 charged particles in tracker: energy flow
	561	// if bfield not simulated, pt should be high enough to be taken into account
	562	// it is supposed here that DET->MAX_calo > DET->CEN_max_tracker > DET->CEN_max_mu > 0
	563	if( particle->getCharge() !=0 &&
	564	fabs(particle->EtaCalo)< DET->CEN_max_tracker && // stays in the tracker -> track available
	565	( DET->FLAG_bfield \|\|
	566	(!DET->FLAG_bfield && particle->PT > DET->TRACK_ptmin)
	567	)
	568	) {
	569	// 2.1a.2.3.1 Filling the particle properties + smearing
	570	// Hypothesis: the final eta/phi are the ones from the generator, thanks to the track reconstruction
	571	// This is the EnergyFlow hypothesis
	572	particle->SetEtaPhi(particle->Eta,particle->Phi);
	573	float sET=UNDEFINED; // smeared ET, computed from the smeared E -> needed for the tracks
	574
	575	// 2.1a.2.3.2 Muons
	576	if (pid == pMU && fabs(particle->EtaCalo)< DET->CEN_max_mu && particle->PT > DET->PTCUT_muon ) {
	577	TLorentzVector p;
	578	float sPT = gRandom->Gaus(particle->PT, DET->MU_SmearPt*particle->PT );
	579	if (sPT > 0 && sPT > DET->PTCUT_muon) {
	580	p.SetPtEtaPhiE(sPT,particle->Eta,particle->Phi,sPT*cosh(particle->Eta));
	581	muon.push_back(D_Particle(p,pMU,particle->EtaCalo,particle->PhiCalo));
	582	}
	583	sET = (sPT >0)? sPT : 0;
	584	}
	585	// 2.1a.2.3.3 Electrons
	586	else if (pid == pE) {
	587	// Finds in which calorimeter the particle has gone, to know its resolution
	588
	589	D_CaloElement currentCalo = list_of_calorimeters.getElement(particle->EtaCalo);
	590	if(currentCalo.getName() == dummyCalo.getName()) {
	591	cout << " Warning: the calo coverage behind the tracker is not complete! " << endl; }
	592
	593	// final smeared EM energy // electromagnetic fraction F_em =1 for electrons;
	594	float sE = currentCalo.getElectromagneticResolution().Smear(particle->E);
	595	if (sE>0) {
	596	sET = sE/cosh(particle->Eta);
	597	// NB: ET is found via the calorimetry and not via the track curvature
	598
	599	TLorentzVector p;
	600	p.SetPtEtaPhiE(sET,particle->Eta,particle->Phi,sE);
	601	if (sET > DET->PTCUT_elec)
	602	electron.push_back(D_Particle(p,particle->PID,particle->EtaCalo,particle->PhiCalo));
	603	} else { sET=0;} // if negative smeared energy -- needed for the tracks
	604	}
	605	// 2.1a.2.3.4 Other charged particles : smear them for the tracks!
	606	else { //other particles
	607	D_CaloElement currentCalo = list_of_calorimeters.getElement(particle->EtaCalo);
	608	float sEem = currentCalo.getElectromagneticResolution().Smear(particle->E * particle->getFem());
	609	float sEhad = currentCalo.getHadronicResolution().Smear(particle->E * particle->getFhad());
	610	float sE = ( (sEem>0)? sEem : 0 ) + ( (sEhad>0)? sEhad : 0 );
	611	sET = sE/cosh(particle->EtaCalo);
	612	}
	613
	614	// 2.1a.2.3.5 Tracks
	615	if( (rand()%100) < DET->TRACK_eff && sET!=0) {
	616	elementTrack = (D_Track*) branchTrack->NewEntry();
	617	elementTrack->Set(particle->Eta, particle->Phi, particle->EtaCalo, particle->PhiCalo, sET);
	618	TrackCentral.push_back(elementTrack->GetFourVector()); // tracks at vertex!
	619	// TODO!!! associates the tracks to the calo where it points to
	620	// TODO!!! apply a smearing on the position of the origin of the track
	621	// TODO!!! elementTracks->SetPositionOut(Xout,Yout,Zout);
	622	}
	623	} // 2.1a.2.3 : if tracker/energy-flow
	624	// 2.1a.2.4 Photons
	625	// stays in the tracker -> track available -> gamma ID
	626	else if( (pid == pGAMMA) && fabs(particle->EtaCalo)< DET->CEN_max_tracker ) {
	627	float iEta=UNDEFINED, iPhi=UNDEFINED;
	628	DET->BinEtaPhi(particle->PhiCalo,particle->EtaCalo,iPhi,iEta); // fills in iPhi and iEta
	629	D_CaloTower tower(iEta,iPhi);
	630	// stores the list of towers where to apply the photon ID algorithm. Just a trick for a faster search
	631	list_of_towers_with_photon.addTower(tower);
	632	}
	633	// 2.1a.2.5 : very forward detectors
	634	else if (DET->FLAG_vfd==1) {
	635	// for the moment, only protons are transported
	636	// BUT !!! could be a beam of other particles! (heavy ions?)
	637	// BUT ALSO !!! if very forward muons, or others!
	638	VFD->RomanPots(treeWriter,branchRP220,branchFP420,particle);
	639	VFD->ZDC(treeWriter,branchZDC,particle);
	640	}
	641	// 2.1a.2.6: Zero degree calorimeter
	642	//else if(DET->FLAG_zdc==1) {
	643	//VFD->ZDC(treeWriter,branchZDC,particle);
	644	//}
	645
	646	} // 2.1a.2 : if visible particle
	647	} // loop on all particles 2.1a
	648
	649
	650	// 2.1b loop on all (activated) towers
	651	// at this stage, list_of_active_towers may contain several times the same tower
	652	// first step is to merge identical towers, by matching their (iEta,iPhi)
	653	list_of_active_towers.mergeDuplicates();
	654	// Calotower smearing
	655	list_of_active_towers.smearTowers(list_of_calorimeters);
	656
	657	for(unsigned int i=0; i<list_of_active_towers.size(); i++) {
	658	float iEta = list_of_active_towers[i].getEta();
	659	float iPhi = list_of_active_towers[i].getPhi();
	660	float e = list_of_active_towers[i].getE();
	661	if(iEta != UNDEFINED && iPhi != UNDEFINED && e!=0) {
	662	elementCalo = (TRootCalo*) branchCalo->NewEntry();
	663	elementCalo->set(list_of_active_towers[i]);
	664	// not beautiful : should be improved!
	665	TLorentzVector p;
	666	p.SetPtEtaPhiE(list_of_active_towers[i].getET(), iEta, iPhi, e );
	667	PhysicsTower Tower(LorentzVector(p.Px(),p.Py(),p.Pz(),p.E()));
	668	towers.push_back(Tower);
	669	}
	670	} // loop on towers
	671
	672	// 2.1c photon ID
	673	// list_of_towers_with_photon is the list of towers with photon candidates
	674	// already smeared !
	675	// sorts the vector and smears duplicates
	676	list_of_towers_with_photon.mergeDuplicates();
	677
	678	for(unsigned int i=0; i<list_of_towers_with_photon.size(); i++) {
	679	float eta = list_of_towers_with_photon[i].getEta();
	680	float phi = list_of_towers_with_photon[i].getPhi();
	681	D_CaloTower cal(list_of_active_towers.getElement(eta,phi));
	682	if(cal.getEta() != UNDEFINED && cal.getPhi() != UNDEFINED && cal.getE() > 0) {
	683	TLorentzVector p;
	684	p.SetPtEtaPhiE(cal.getET(), eta,phi,cal.getE() );
	685	if (cal.getET() > DET->PTCUT_gamma) { gamma.push_back(D_Particle(p,pGAMMA,p.Eta(),p.Phi())); }
	686	}
	687	} // for -- list of photons
	688
	689	} // IF NEW ALGORITHM with energy flow
	690
	691
	692
	693
[178]	694	// 2.2 ******** Output preparation & complex objects *********
	695	// 2.2.1 ********************* sorting collections by decreasing pt
[74]	696	DET->SortedVector(electron);
	697	for(unsigned int i=0; i < electron.size(); i++) {
	698	elementElec = (TRootElectron*) branchElectron->NewEntry();
	699	elementElec->Set(electron[i].Px(),electron[i].Py(),electron[i].Pz(),electron[i].E());
[264]	700	elementElec->EtaCalo = electron[i].EtaCalo();
	701	elementElec->PhiCalo = electron[i].PhiCalo();
[74]	702	elementElec->Charge = sign(electron[i].PID());
[184]	703	elementElec->IsolFlag = DET->Isolation(electron[i].Phi(),electron[i].Eta(),TrackCentral,2.0);//isolation based on tracks
[30]	704	}
[74]	705	DET->SortedVector(muon);
[30]	706	for(unsigned int i=0; i < muon.size(); i++) {
[74]	707	elementMu = (TRootMuon*) branchMuon->NewEntry();
	708	elementMu->Charge = sign(muon[i].PID());
	709	elementMu->Set(muon[i].Px(),muon[i].Py(),muon[i].Pz(),muon[i].E());
[264]	710	elementMu->EtaCalo = muon[i].EtaCalo();
	711	elementMu->PhiCalo = muon[i].PhiCalo();
[74]	712	elementMu->IsolFlag = DET->Isolation(muon[i].Phi(),muon[i].Eta(),TrackCentral,2.0);
[30]	713	}
[74]	714	DET->SortedVector(gamma);
	715	for(unsigned int i=0; i < gamma.size(); i++) {
	716	elementPhoton = (TRootPhoton*) branchPhoton->NewEntry();
	717	elementPhoton->Set(gamma[i].Px(),gamma[i].Py(),gamma[i].Pz(),gamma[i].E());
[264]	718	elementPhoton->EtaCalo = gamma[i].EtaCalo();
	719	elementPhoton->PhiCalo = gamma[i].PhiCalo();
[74]	720	}
[30]	721
[178]	722	// 2.2.2 ************* computes the Missing Transverse Momentum
[71]	723	TLorentzVector Att(0.,0.,0.,0.);
	724	for(unsigned int i=0; i < towers.size(); i++)
	725	{
[107]	726	Att.SetPxPyPzE(towers[i].fourVector.px, towers[i].fourVector.py, towers[i].fourVector.pz, towers[i].fourVector.E);
	727	if(fabs(Att.Eta()) < DET->CEN_max_calo_fwd)
	728	{
	729	PTmis = PTmis + Att;
	730	// create a fastjet::PseudoJet with these components and put it onto
	731	// back of the input_particles vector
	732	input_particles.push_back(fastjet::PseudoJet(towers[i].fourVector.px,towers[i].fourVector.py,towers[i].fourVector.pz,towers[i].fourVector.E));
	733	}
[71]	734	}
	735	elementEtmis = (TRootETmis*) branchETmis->NewEntry();
	736	elementEtmis->ET = (PTmis).Pt();
	737	elementEtmis->Phi = (-PTmis).Phi();
	738	elementEtmis->Px = (-PTmis).Px();
	739	elementEtmis->Py = (-PTmis).Py();
[74]	740
[264]	741	// 2.2.3 ************* jets, B-tag, tau jets
[55]	742	sorted_jets=JETRUN->RunJets(input_particles);
	743	JETRUN->RunJetBtagging(treeWriter, branchJet,sorted_jets,NFCentralQ);
	744	JETRUN->RunTauJets(treeWriter,branchTauJet,sorted_jets,towers, TrackCentral);
[74]	745
[72]	746	treeWriter->Fill();
[178]	747	} // 2. Loop over all events ('for' loop)
[264]	748
	749
[212]	750	cout <<" "<< endl;
	751	cout <<" Exiting detector simulation... "<< endl;
	752
	753
[2]	754	treeWriter->Write();
[77]	755	delete treeWriter;
[191]	756	loopwatch.Stop();
[178]	757
	758
	759
[212]	760	// 3. ******** Trigger & Frog *********
[178]	761	// 3.1 ************ running the trigger in case the FLAG trigger is put to 1 in the datacard
[191]	762	triggerwatch.Start();
[94]	763	if(DET->FLAG_trigger == 1)
[72]	764	{
[212]	765	cout <<" "<<endl;
	766	cout <<" ########### Start Trigger selection ########### "<< endl;
	767
[178]	768	// input
[72]	769	TChain chainT("Analysis");
	770	chainT.Add(outputfilename.c_str());
	771	ExRootTreeReader *treeReaderT = new ExRootTreeReader(&chainT);
[74]	772
[178]	773	// output
[72]	774	TClonesArray *branchElecTrig = treeReaderT->UseBranch("Electron");
	775	TClonesArray *branchMuonTrig = treeReaderT->UseBranch("Muon");
	776	TClonesArray *branchJetTrig = treeReaderT->UseBranch("Jet");
	777	TClonesArray *branchTauJetTrig = treeReaderT->UseBranch("TauJet");
	778	TClonesArray *branchPhotonTrig = treeReaderT->UseBranch("Photon");
	779	TClonesArray *branchETmisTrig = treeReaderT->UseBranch("ETmis");
[74]	780
[72]	781	ExRootTreeWriter *treeWriterT = new ExRootTreeWriter(outputfilename, "Trigger");
	782	ExRootTreeBranch *branchTrigger = treeWriterT->NewBranch("TrigResult", TRootTrigger::Class());
[178]	783
	784
[72]	785	Long64_t entryT, allEntriesT = treeReaderT->GetEntries();
[178]	786	// loop on all entries
	787	for(entryT = 0; entryT < allEntriesT; ++entryT) {
[72]	788	treeWriterT->Clear();
	789	treeReaderT->ReadEntry(entryT);
	790	TRIGT->GetGlobalResult(branchElecTrig, branchMuonTrig,branchJetTrig, branchTauJetTrig,branchPhotonTrig, branchETmisTrig,branchTrigger);
	791	treeWriterT->Fill();
[178]	792	} // loop on all entries
[212]	793	cout <<" Exiting trigger simulation... "<< endl;
[94]	794
[72]	795	treeWriterT->Write();
	796	delete treeWriterT;
[228]	797	delete treeReaderT;
[178]	798	} // trigger
[191]	799	triggerwatch.Stop();
[178]	800
	801
	802	// 3.2 ************** FROG display
[191]	803	frogwatch.Start();
[228]	804	if(DET->FLAG_frog == 1) {
[212]	805	cout <<" "<<endl;
	806	cout <<" ################## Start FROG ################# "<< endl;
	807
[228]	808	FrogDisplay *FROG = new FrogDisplay(DET);
	809	FROG->BuildEvents(outputfilename);
	810	FROG->BuildGeom();
	811	delete FROG;
	812	}
	813	frogwatch.Stop();
[94]	814
[178]	815
	816
	817
	818	// 4. ******** End & Exit *********
[212]	819
[191]	820	globalwatch.Stop();
[212]	821	cout <<" "<< endl;
	822	cout <<" ################## Time report ################# "<< endl;
	823	cout << left << setw(32) <<"** Time report for "<<""
	824	<< left << setw(15) << allEntries <<""
	825	<< right << setw(22) <<"events **"<<endl;
	826	cout <<" "<< endl;
	827	cout << left << setw(10) <<"**"<<""
	828	<< left << setw(15) <<"Time (s):"<<""
	829	<< right << setw(15) <<"CPU"<<""
	830	<< right << setw(15) <<"Real"<<""
	831	<< right << setw(14) <<"**"<<endl;
	832	cout << left << setw(10) <<"**"<<""
	833	<< left << setw(15) <<" + Global:"<<""
	834	<< right << setw(15) <<globalwatch.CpuTime()<<""
	835	<< right << setw(15) <<globalwatch.RealTime()<<""
	836	<< right << setw(14) <<"**"<<endl;
	837	cout << left << setw(10) <<"**"<<""
	838	<< left << setw(15) <<" + Events:"<<""
	839	<< right << setw(15) <<loopwatch.CpuTime()<<""
	840	<< right << setw(15) <<loopwatch.RealTime()<<""
	841	<< right << setw(14) <<"**"<<endl;
[191]	842	if(DET->FLAG_trigger == 1)
[212]	843	{
	844	cout << left << setw(10) <<"**"<<""
	845	<< left << setw(15) <<" + Trigger:"<<""
	846	<< right << setw(15) <<triggerwatch.CpuTime()<<""
	847	<< right << setw(15) <<triggerwatch.RealTime()<<""
	848	<< right << setw(14) <<"**"<<endl;
	849	}
[191]	850	if(DET->FLAG_frog == 1)
[212]	851	{
	852	cout << left << setw(10) <<"**"<<""
	853	<< left << setw(15) <<" + Frog:"<<""
	854	<< right << setw(15) <<frogwatch.CpuTime()<<""
	855	<< right << setw(15) <<frogwatch.RealTime()<<""
	856	<< right << setw(14) <<"**"<<endl;
[191]	857
[212]	858	}
[2]	859
[212]	860	cout <<" "<< endl;
	861	cout <<" Exiting Delphes ... "<< endl;
	862	cout <<" "<< endl;
	863	cout <<"*********************************************************************"<< endl;
	864	cout <<"*********************************************************************"<< endl;
	865
	866
[2]	867	delete treeReader;
	868	delete DET;
[264]	869	delete TRIGT;
[74]	870	delete TRACP;
	871	delete JETRUN;
	872	delete VFD;
[228]	873	delete converter;
[94]	874
[191]	875	// todo("TODO");
[2]	876	}

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