Fork me on GitHub

Context Navigation

source: svn/trunk/Delphes.cpp@ 277

Last change on this file since 277 was 270, checked in by severine ovyn, 16 years ago
remove double GEN pfff
File size: 34.6 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
[2]	80	int appargc = 2;
[228]	81	char *appName= new char[20];
	82	char *appOpt= new char[20];
	83	sprintf(appName,"Delphes");
	84	sprintf(appOpt,"-b");
	85	char *appargv[] = {appName,appOpt};
[2]	86	TApplication app(appName, &appargc, appargv);
[228]	87	delete [] appName;
	88	delete [] appOpt;
	89
[249]	90	if(argc != 3 && argc != 4 && argc != 5) {
[94]	91	cout << " Usage: " << argv[0] << " input_file output_file [detector_card] [trigger_card] " << endl;
	92	cout << " input_list - list of files in Ntpl, StdHep of LHEF format," << endl;
	93	cout << " output_file - output file." << endl;
	94	cout << " detector_card - Datacard containing resolution variables for the detector simulation (optional) "<<endl;
	95	cout << " trigger_card - Datacard containing the trigger algorithms (optional) "<<endl;
	96	exit(1);
[2]	97	}
[228]	98
	99
	100
[212]	101
	102	cout << endl << endl;
	103
	104	cout <<"*********************************************************************"<< endl;
	105	cout <<"*********************************************************************"<< endl;
	106	cout <<" "<< endl;
	107	cout <<" Welcome to "<< endl;
	108	cout <<" "<< endl;
	109	cout <<" "<< endl;
	110	cout <<" .ddddddd- lL hH "<< endl;
	111	cout <<" -Dd` `dD: Ll hH` "<< endl;
	112	cout <<" dDd dDd eeee. lL .pp+pp Hh+hhh` -eeee- `sssss "<< endl;
	113	cout <<" -Dd `DD ee. ee Ll .Pp. PP Hh. HH. ee. ee sSs "<< endl;
	114	cout <<" dD` dDd eEeee: lL. pP. pP hH hH` eEeee:` -sSSSs. "<< endl;
	115	cout <<" .Dd :dd eE. LlL PpppPP Hh Hh eE sSS "<< endl;
	116	cout <<" dddddd:. eee+: lL. pp. hh. hh eee+ sssssS "<< endl;
	117	cout <<" Pp "<< endl;
	118	cout <<" "<< endl;
	119	cout <<" Delphes, a framework for the fast simulation "<< endl;
	120	cout <<" of a generic collider experiment "<< endl;
	121	cout <<" "<< endl;
[260]	122	cout <<" --- Version 1.4beta of Delphes --- "<< endl;
	123	cout <<" Last date of change: 9 February 2009 "<< endl;
[212]	124	cout <<" "<< endl;
	125	cout <<" "<< endl;
	126	cout <<" This package uses: "<< endl;
	127	cout <<" ------------------ "<< endl;
	128	cout <<" FastJet algorithm: Phys. Lett. B641 (2006) [hep-ph/0512210] "<< endl;
	129	cout <<" Hector: JINST 2:P09005 (2007) [physics.acc-ph:0707.1198v2] "<< endl;
[260]	130	cout <<" FROG: [hep-ex/0901.2718v1] "<< endl;
[212]	131	cout <<" "<< endl;
	132	cout <<"-----------------------------------------------------------------"<< endl;
	133	cout <<" "<< endl;
	134	cout <<" Main authors: "<< endl;
	135	cout <<" ------------- "<< endl;
	136	cout <<" "<< endl;
	137	cout <<" SÃ©verine Ovyn Xavier Rouby "<< endl;
	138	cout <<" severine.ovyn@uclouvain.be xavier.rouby@cern "<< endl;
	139	cout <<" Center for Particle Physics and Phenomenology (CP3) "<< endl;
	140	cout <<" Universite Catholique de Louvain (UCL) "<< endl;
	141	cout <<" Louvain-la-Neuve, Belgium "<< endl;
	142	cout <<" "<< endl;
	143	cout <<"-----------------------------------------------------------------"<< endl;
	144	cout <<" "<< endl;
	145	cout <<" Former Delphes versions and documentation can be found on : "<< endl;
	146	cout <<" http://www.fynu.ucl.ac.be/delphes.html "<< endl;
	147	cout <<" "<< endl;
	148	cout <<" "<< endl;
	149	cout <<" Disclaimer: this program is a beta version of Delphes and "<< endl;
	150	cout <<" therefore comes without guarantees. Beware of errors and please "<< endl;
	151	cout <<" give us your feedbacks about potential bugs "<< endl;
	152	cout <<" "<< endl;
	153	cout <<"*********************************************************************"<< endl;
	154	cout <<"*********************************************************************"<< endl;
	155
[178]	156	// 1. ******** initialisation *********
	157
[2]	158	srand (time (NULL)); /* Initialisation du gÃ©nÃ©rateur */
[191]	159	TStopwatch globalwatch, loopwatch, triggerwatch, frogwatch;
	160	globalwatch.Start();
	161
[2]	162
[249]	163	//read the output TROOT file
[2]	164	string inputFileList(argv[1]), outputfilename(argv[2]);
[249]	165	if(outputfilename.find(".root") > outputfilename.length()) {
	166	cout <<" ERROR: 'output_file' should be a .root file. Exiting... "<< endl;
[94]	167	exit(1);
[2]	168	}
[44]	169	//create output log-file name
[45]	170	string forLog = outputfilename;
	171	string LogName = forLog.erase(forLog.find(".root"));
[44]	172	LogName = LogName+"_run.log";
[94]	173
[2]	174	TFile *outputFile = TFile::Open(outputfilename.c_str(), "RECREATE"); // Creates the file, but should be closed just after
	175	outputFile->Close();
[94]	176
[2]	177	string line;
	178	ifstream infile(inputFileList.c_str());
	179	infile >> line; // the first line determines the type of input files
[94]	180
[44]	181	//read the datacard input file
[268]	182	string DetDatacard("data/DataCardDet.dat"); //for detector smearing parameters
[249]	183	string TrigDatacard("data/trigger.dat"); //for trigger selection
	184
	185	string lineCard1,lineCard2;
	186	bool detecCard=false,trigCard=false;
	187	if(argv[3])
	188	{
	189	ifstream infile1(argv[3]);
	190	infile1 >> lineCard1; // the first line determines the type of input files
	191	if(strstr(lineCard1.c_str(),"DETECTOR") && detecCard==true)
	192	cerr <<" ERROR: A DETECTOR card has already been loaded "<< endl;
	193	else if(strstr(lineCard1.c_str(),"DETECTOR") && detecCard==false){DetDatacard =argv[3]; detecCard=true;}
	194	else if(strstr(lineCard1.c_str(),"TRIGGER") && trigCard==true)
	195	cerr <<" ERROR: A TRIGGER card has already been loaded "<< endl;
	196	else if(strstr(lineCard1.c_str(),"TRIGGER") && trigCard==false){TrigDatacard =argv[3]; trigCard=true;}
	197	}
	198	if(argv[4])
	199	{
	200	ifstream infile2(argv[4]);
	201	infile2 >> lineCard2; // the first line determines the type of input files
	202	if(strstr(lineCard2.c_str(),"DETECTOR") && detecCard==true)
	203	cerr <<" ERROR: A DETECTOR card has already been loaded "<< endl;
	204	else if(strstr(lineCard2.c_str(),"DETECTOR") && detecCard==false){DetDatacard =argv[4]; detecCard=true;}
	205	else if(strstr(lineCard2.c_str(),"TRIGGER") && trigCard==true)
	206	cerr <<" ERROR: A TRIGGER card has already been loaded "<< endl;
	207	else if(strstr(lineCard2.c_str(),"TRIGGER") && trigCard==false){TrigDatacard =argv[4]; trigCard=true;}
	208	}
[94]	209
[55]	210	//Smearing information
[44]	211	RESOLution *DET = new RESOLution();
[212]	212	cout <<" "<< endl;
	213	cout <<" ####### Start reading DETECTOR parameters ####### "<< endl;
	214	cout << left << setw(40) <<"** Opening configuration card: "<<""
[258]	215	<< left << setw(27) << DetDatacard <<""
	216	<< right << setw(2) <<"**"<<""<<endl;
[44]	217	DET->ReadDataCard(DetDatacard);
	218	DET->Logfile(LogName);
[212]	219	cout << left << setw(42) <<"** Parameters summarised in file: "<<""
[258]	220	<< left << setw(27) << LogName <<""
	221	<< right << setw(2) <<"**"<<""<<endl;
[212]	222	cout <<" "<< endl;
[228]	223
[55]	224	//Trigger information
[249]	225	cout <<" ########### Start reading TRIGGER card ########## "<< endl;
	226	if(trigCard==false)
	227	{
	228	cout <<" WARNING: Datadard not found, use default card " << endl;
	229	TrigDatacard="data/trigger.dat";
	230	}
[72]	231	TriggerTable *TRIGT = new TriggerTable();
[80]	232	TRIGT->TriggerCardReader(TrigDatacard.c_str());
[72]	233	TRIGT->PrintTriggerTable(LogName);
[212]	234	if(DET->FLAG_trigger == 1)
	235	{
	236	cout << left << setw(40) <<"** Opening configuration card: "<<""
[258]	237	<< left << setw(27) << TrigDatacard <<""
	238	<< right << setw(2) <<"**"<<""<<endl;
[212]	239	cout <<" "<< endl;
	240	}
[94]	241
[55]	242	//Propagation of tracks in the B field
[228]	243	TrackPropagation *TRACP = new TrackPropagation(DET);
[94]	244
[55]	245	//Jet information
[228]	246	JetsUtil *JETRUN = new JetsUtil(DET);
[94]	247
[55]	248	//VFD information
[228]	249	VeryForward * VFD = new VeryForward(DET);
[178]	250
	251	// data converters
[228]	252	DataConverter *converter=NULL;
[212]	253	cout <<" "<<endl;
	254	cout <<" ####### Start convertion to TRoot format ######## "<< endl;
	255
[2]	256	if(strstr(line.c_str(),".hep"))
	257	{
[212]	258	cout <<" StdHEP file format detected "<<endl;
	259	cout <<" This can take several minutes "<< endl;
[2]	260	converter = new STDHEPConverter(inputFileList,outputfilename);//case ntpl file in input list
	261	}
	262	else if(strstr(line.c_str(),".lhe"))
	263	{
[212]	264	cout <<" LHEF file format detected "<<endl;
	265	cout <<" This can take several minutes "<< endl;
[2]	266	converter = new LHEFConverter(inputFileList,outputfilename);//case ntpl file in input list
	267	}
	268	else if(strstr(line.c_str(),".root"))
	269	{
[212]	270	cout <<" h2root file format detected "<<endl;
	271	cout <<" This can take several minutes "<< endl;
[2]	272	converter = new HEPEVTConverter(inputFileList,outputfilename);//case ntpl file in input list
	273	}
[212]	274	else {
[246]	275	cerr << left << setw(4) <<"** "<<""
[212]	276	<< left << setw(63) << line.c_str() <<""
	277	<< right << setw(2) <<"**"<<endl;
[246]	278	cerr <<" ERROR: File format not identified -- Exiting... "<< endl;
[212]	279	cout <<" "<< endl;
	280	cout <<"*********************************************************************"<< endl;
	281	return -1;};
	282	cout <<" Exiting conversion... "<< endl;
	283
[2]	284	TChain chain("GEN");
	285	chain.Add(outputfilename.c_str());
	286	ExRootTreeReader *treeReader = new ExRootTreeReader(&chain);
	287	const TClonesArray *branchGen = treeReader->UseBranch("Particle");
[249]	288
[2]	289	TIter itGen((TCollection*)branchGen);
	290
[178]	291	//Output file : contents of the analysis object data
[2]	292	ExRootTreeWriter *treeWriter = new ExRootTreeWriter(outputfilename, "Analysis");
[267]	293	ExRootTreeBranch *branchTauJet = treeWriter->NewBranch("TauJet", TRootTauJet::Class());
[2]	294	ExRootTreeBranch *branchJet = treeWriter->NewBranch("Jet", TRootJet::Class());
	295	ExRootTreeBranch *branchElectron = treeWriter->NewBranch("Electron", TRootElectron::Class());
	296	ExRootTreeBranch *branchMuon = treeWriter->NewBranch("Muon", TRootMuon::Class());
	297	ExRootTreeBranch *branchPhoton = treeWriter->NewBranch("Photon", TRootPhoton::Class());
[264]	298	//ExRootTreeBranch *branchTracks = treeWriter->NewBranch("Tracks", TRootTracks::Class());
[268]	299	ExRootTreeBranch *branchTrack = treeWriter->NewBranch("Tracks", TRootTracks::Class());
[2]	300	ExRootTreeBranch *branchETmis = treeWriter->NewBranch("ETmis", TRootETmis::Class());
	301	ExRootTreeBranch *branchCalo = treeWriter->NewBranch("CaloTower", TRootCalo::Class());
	302	ExRootTreeBranch *branchZDC = treeWriter->NewBranch("ZDChits", TRootZdcHits::Class());
	303	ExRootTreeBranch *branchRP220 = treeWriter->NewBranch("RP220hits", TRootRomanPotHits::Class());
	304	ExRootTreeBranch *branchFP420 = treeWriter->NewBranch("FP420hits", TRootRomanPotHits::Class());
[30]	305
[2]	306	TRootETmis *elementEtmis;
	307	TRootElectron *elementElec;
	308	TRootMuon *elementMu;
	309	TRootPhoton *elementPhoton;
[268]	310	TRootTracks * elementTrack;
[2]	311	TRootCalo *elementCalo;
	312
[184]	313	TLorentzVector genMomentum(0,0,0,0); // four-momentum at the vertex
	314	TLorentzVector genMomentumBfield(0,0,0,0); // four-momentum at the exit of the tracks
	315	TLorentzVector momentumCaloSegmentation(0,0,0,0); // four-momentum in the calo, after applying the calo segmentation
[2]	316	LorentzVector jetMomentum;
[94]	317
[55]	318	vector<fastjet::PseudoJet> input_particles;//for FastJet algorithm
	319	vector<fastjet::PseudoJet> sorted_jets;
[2]	320	vector<TLorentzVector> TrackCentral;
	321	vector<PhysicsTower> towers;
[264]	322	//vector<ParticleUtil> electron;
	323	vector<D_Particle> electron;
	324	//vector<ParticleUtil> muon;
	325	vector<D_Particle> muon;
	326	//vector<ParticleUtil> gamma;
	327	vector<D_Particle> gamma;
[98]	328
[30]	329	TSimpleArray<TRootGenParticle> NFCentralQ;
[100]	330
[264]	331	D_CaloList list_of_calorimeters;
	332	D_CaloElement CentralCalo("centralcalo",
	333	-DET->CEN_max_calo_cen, DET->CEN_max_calo_cen,
	334	DET->ELG_Ccen, DET->ELG_Ncen, DET->ELG_Scen,
	335	DET->HAD_Chcal, DET->HAD_Nhcal, DET->HAD_Shcal);
	336	D_CaloElement ForwardCalo("forwardcalo",
	337	DET->CEN_max_calo_cen, DET->CEN_max_calo_fwd,
	338	DET->ELG_Cfwd, DET->ELG_Nfwd, DET->ELG_Sfwd,
	339	DET->HAD_Chf, DET->HAD_Nhf, DET->HAD_Shf );
	340	D_CaloElement BackwardCalo("backwardcalo",
	341	-DET->CEN_max_calo_fwd, -DET->CEN_max_calo_cen,
	342	DET->ELG_Cfwd, DET->ELG_Nfwd, DET->ELG_Sfwd,
	343	DET->HAD_Chf, DET->HAD_Nhf, DET->HAD_Shf );
	344	//D_CaloElement CastorCalo("castor",5.5,6.6,1,0,0,1,0,0);
	345	list_of_calorimeters.addElement(CentralCalo);
	346	list_of_calorimeters.addElement(ForwardCalo);
	347	list_of_calorimeters.addElement(BackwardCalo);
	348	//list_of_calorimeters.addElement(CastorCalo);
	349	list_of_calorimeters.sortElements();
[178]	350
	351
	352	// 2. ******** Loop over all events *********
[2]	353	Long64_t entry, allEntries = treeReader->GetEntries();
[212]	354	cout <<" "<<endl;
	355	cout <<" ####### Start fast detector simulation ######## "<< endl;
	356	cout << left << setw(52) <<"** Total number of events to run: "<<""
	357	<< left << setw(15) << allEntries <<""
	358	<< right << setw(2) <<"**"<<endl;
	359
[251]	360	ExRootProgressBar *Progress = new ExRootProgressBar(allEntries);
	361
[191]	362	loopwatch.Start();
[178]	363
	364	// loop on all events
	365	for(entry = 0; entry < allEntries; ++entry)
[2]	366	{
[251]	367	Progress->Update(entry);
[2]	368	TLorentzVector PTmis(0,0,0,0);
	369	treeReader->ReadEntry(entry);
	370	treeWriter->Clear();
	371
[30]	372	electron.clear();
	373	muon.clear();
[74]	374	gamma.clear();
[30]	375	NFCentralQ.Clear();
	376
[2]	377	TrackCentral.clear();
	378	towers.clear();
[11]	379	input_particles.clear();
[264]	380
[267]	381	{
[264]	382	D_CaloTowerList list_of_active_towers;
	383	D_CaloTowerList list_of_towers_with_photon; // to speed up the code: will only look in interesting towers for gamma candidates
	384
	385	// 2.1a Loop over all particles in event, to fill the towers
	386	itGen.Reset();
[270]	387	GenParticle *particleG;
	388	while( (particleG = (GenParticle*) itGen.Next()) ) {
[264]	389
[270]	390	TRootGenParticle *particle = new TRootGenParticle(particleG);
	391	int pid = abs(particle->PID);
	392	particle->Charge=ChargeVal(particle->PID);
	393	particle->setFractions(); // init
[264]	394
[270]	395
[264]	396	// 2.1a.1********************* preparation for the b-tagging
	397	//// This subarray is needed for the B-jet algorithm
	398	// optimization for speed : put first PID condition, then ETA condition, then either pt or status
	399	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 ?
	400	fabs(particle->Eta) < DET->CEN_max_tracker &&
	401	particle->Status != 1 &&
	402	particle->PT > DET->PT_QUARKS_MIN ) {
	403	NFCentralQ.Add(particle);
	404	}
	405
	406	// 2.1a.2********************* visible particles only
	407	if( (particle->Status == 1) && (pid != pNU1) && (pid != pNU2) && (pid != pNU3) ){
	408
	409	// 2.1a.2.1 Central solenoidal magnetic field
	410	TRACP->bfield(particle); // fills in particle->EtaCalo et particle->PhiCalo
	411	// 2.1a.2.2 Filling the calorimetric towers -- includes also forward detectors ?
	412	// first checks if the charged particles reach the calo!
	413	if( DET->FLAG_bfield \|\|
[270]	414	particle->Charge==0 \|\|
	415	(!DET->FLAG_bfield && particle->Charge!=0 && particle->PT > DET->TRACK_ptmin))
[264]	416	if(
	417	(particle->EtaCalo > list_of_calorimeters.getEtamin() ) &&
	418	(particle->EtaCalo < list_of_calorimeters.getEtamax() )
	419	) {
	420	float iEta=UNDEFINED, iPhi=UNDEFINED;
	421	DET->BinEtaPhi(particle->PhiCalo,particle->EtaCalo,iPhi,iEta); // fills in iPhi and iEta
	422	if (iEta != UNDEFINED && iPhi != UNDEFINED)
	423	{
	424	D_CaloTower tower(iEta,iPhi); // new tower
	425	tower.Set_Eem_Ehad_E_ET(particle->Eparticle->getFem() , particle->Eparticle->getFhad() );
	426
	427	list_of_active_towers.addTower(tower);
	428	// this list may contain several times the same calotower, as several particles
	429	// may leave some energy in the same calotower
	430	// After the loop on particles, identical cells in the list should be merged
	431	} // iEta and iPhi must be defined
	432	}
	433
	434	// 2.1a.2.3 charged particles in tracker: energy flow
	435	// if bfield not simulated, pt should be high enough to be taken into account
	436	// it is supposed here that DET->MAX_calo > DET->CEN_max_tracker > DET->CEN_max_mu > 0
[270]	437	if( particle->Charge !=0 &&
[264]	438	fabs(particle->EtaCalo)< DET->CEN_max_tracker && // stays in the tracker -> track available
	439	( DET->FLAG_bfield \|\|
	440	(!DET->FLAG_bfield && particle->PT > DET->TRACK_ptmin)
	441	)
	442	) {
	443	// 2.1a.2.3.1 Filling the particle properties + smearing
	444	// Hypothesis: the final eta/phi are the ones from the generator, thanks to the track reconstruction
	445	// This is the EnergyFlow hypothesis
	446	particle->SetEtaPhi(particle->Eta,particle->Phi);
	447	float sET=UNDEFINED; // smeared ET, computed from the smeared E -> needed for the tracks
	448
	449	// 2.1a.2.3.2 Muons
[270]	450	if (pid == pMU && fabs(particle->EtaCalo)< DET->CEN_max_mu) {
[264]	451	TLorentzVector p;
	452	float sPT = gRandom->Gaus(particle->PT, DET->MU_SmearPt*particle->PT );
	453	if (sPT > 0 && sPT > DET->PTCUT_muon) {
	454	p.SetPtEtaPhiE(sPT,particle->Eta,particle->Phi,sPT*cosh(particle->Eta));
	455	muon.push_back(D_Particle(p,pMU,particle->EtaCalo,particle->PhiCalo));
	456	}
	457	sET = (sPT >0)? sPT : 0;
	458	}
	459	// 2.1a.2.3.3 Electrons
	460	else if (pid == pE) {
	461	// Finds in which calorimeter the particle has gone, to know its resolution
	462
	463	D_CaloElement currentCalo = list_of_calorimeters.getElement(particle->EtaCalo);
	464	if(currentCalo.getName() == dummyCalo.getName()) {
	465	cout << " Warning: the calo coverage behind the tracker is not complete! " << endl; }
	466
	467	// final smeared EM energy // electromagnetic fraction F_em =1 for electrons;
	468	float sE = currentCalo.getElectromagneticResolution().Smear(particle->E);
	469	if (sE>0) {
	470	sET = sE/cosh(particle->Eta);
	471	// NB: ET is found via the calorimetry and not via the track curvature
	472
	473	TLorentzVector p;
	474	p.SetPtEtaPhiE(sET,particle->Eta,particle->Phi,sE);
	475	if (sET > DET->PTCUT_elec)
	476	electron.push_back(D_Particle(p,particle->PID,particle->EtaCalo,particle->PhiCalo));
	477	} else { sET=0;} // if negative smeared energy -- needed for the tracks
	478	}
	479	// 2.1a.2.3.4 Other charged particles : smear them for the tracks!
	480	else { //other particles
	481	D_CaloElement currentCalo = list_of_calorimeters.getElement(particle->EtaCalo);
	482	float sEem = currentCalo.getElectromagneticResolution().Smear(particle->E * particle->getFem());
	483	float sEhad = currentCalo.getHadronicResolution().Smear(particle->E * particle->getFhad());
	484	float sE = ( (sEem>0)? sEem : 0 ) + ( (sEhad>0)? sEhad : 0 );
	485	sET = sE/cosh(particle->EtaCalo);
	486	}
	487
	488	// 2.1a.2.3.5 Tracks
	489	if( (rand()%100) < DET->TRACK_eff && sET!=0) {
[268]	490	elementTrack = (TRootTracks*) branchTrack->NewEntry();
[264]	491	elementTrack->Set(particle->Eta, particle->Phi, particle->EtaCalo, particle->PhiCalo, sET);
	492	TrackCentral.push_back(elementTrack->GetFourVector()); // tracks at vertex!
	493	// TODO!!! associates the tracks to the calo where it points to
	494	// TODO!!! apply a smearing on the position of the origin of the track
	495	// TODO!!! elementTracks->SetPositionOut(Xout,Yout,Zout);
	496	}
	497	} // 2.1a.2.3 : if tracker/energy-flow
	498	// 2.1a.2.4 Photons
	499	// stays in the tracker -> track available -> gamma ID
	500	else if( (pid == pGAMMA) && fabs(particle->EtaCalo)< DET->CEN_max_tracker ) {
	501	float iEta=UNDEFINED, iPhi=UNDEFINED;
	502	DET->BinEtaPhi(particle->PhiCalo,particle->EtaCalo,iPhi,iEta); // fills in iPhi and iEta
	503	D_CaloTower tower(iEta,iPhi);
	504	// stores the list of towers where to apply the photon ID algorithm. Just a trick for a faster search
	505	list_of_towers_with_photon.addTower(tower);
	506	}
	507	// 2.1a.2.5 : very forward detectors
	508	else if (DET->FLAG_vfd==1) {
	509	// for the moment, only protons are transported
	510	// BUT !!! could be a beam of other particles! (heavy ions?)
	511	// BUT ALSO !!! if very forward muons, or others!
	512	VFD->RomanPots(treeWriter,branchRP220,branchFP420,particle);
	513	VFD->ZDC(treeWriter,branchZDC,particle);
	514	}
	515	// 2.1a.2.6: Zero degree calorimeter
	516	//else if(DET->FLAG_zdc==1) {
	517	//VFD->ZDC(treeWriter,branchZDC,particle);
	518	//}
	519
	520	} // 2.1a.2 : if visible particle
[270]	521	delete particle;
[264]	522	} // loop on all particles 2.1a
	523
	524
	525	// 2.1b loop on all (activated) towers
	526	// at this stage, list_of_active_towers may contain several times the same tower
	527	// first step is to merge identical towers, by matching their (iEta,iPhi)
	528	list_of_active_towers.mergeDuplicates();
	529	// Calotower smearing
	530	list_of_active_towers.smearTowers(list_of_calorimeters);
	531
	532	for(unsigned int i=0; i<list_of_active_towers.size(); i++) {
	533	float iEta = list_of_active_towers[i].getEta();
	534	float iPhi = list_of_active_towers[i].getPhi();
	535	float e = list_of_active_towers[i].getE();
	536	if(iEta != UNDEFINED && iPhi != UNDEFINED && e!=0) {
	537	elementCalo = (TRootCalo*) branchCalo->NewEntry();
	538	elementCalo->set(list_of_active_towers[i]);
	539	// not beautiful : should be improved!
	540	TLorentzVector p;
	541	p.SetPtEtaPhiE(list_of_active_towers[i].getET(), iEta, iPhi, e );
	542	PhysicsTower Tower(LorentzVector(p.Px(),p.Py(),p.Pz(),p.E()));
	543	towers.push_back(Tower);
	544	}
	545	} // loop on towers
	546
	547	// 2.1c photon ID
	548	// list_of_towers_with_photon is the list of towers with photon candidates
	549	// already smeared !
	550	// sorts the vector and smears duplicates
	551	list_of_towers_with_photon.mergeDuplicates();
	552
	553	for(unsigned int i=0; i<list_of_towers_with_photon.size(); i++) {
	554	float eta = list_of_towers_with_photon[i].getEta();
	555	float phi = list_of_towers_with_photon[i].getPhi();
	556	D_CaloTower cal(list_of_active_towers.getElement(eta,phi));
	557	if(cal.getEta() != UNDEFINED && cal.getPhi() != UNDEFINED && cal.getE() > 0) {
	558	TLorentzVector p;
	559	p.SetPtEtaPhiE(cal.getET(), eta,phi,cal.getE() );
	560	if (cal.getET() > DET->PTCUT_gamma) { gamma.push_back(D_Particle(p,pGAMMA,p.Eta(),p.Phi())); }
	561	}
	562	} // for -- list of photons
	563
	564	} // IF NEW ALGORITHM with energy flow
	565
	566
	567
	568
[178]	569	// 2.2 ******** Output preparation & complex objects *********
	570	// 2.2.1 ********************* sorting collections by decreasing pt
[74]	571	DET->SortedVector(electron);
	572	for(unsigned int i=0; i < electron.size(); i++) {
	573	elementElec = (TRootElectron*) branchElectron->NewEntry();
	574	elementElec->Set(electron[i].Px(),electron[i].Py(),electron[i].Pz(),electron[i].E());
[264]	575	elementElec->EtaCalo = electron[i].EtaCalo();
	576	elementElec->PhiCalo = electron[i].PhiCalo();
[74]	577	elementElec->Charge = sign(electron[i].PID());
[184]	578	elementElec->IsolFlag = DET->Isolation(electron[i].Phi(),electron[i].Eta(),TrackCentral,2.0);//isolation based on tracks
[30]	579	}
[74]	580	DET->SortedVector(muon);
[30]	581	for(unsigned int i=0; i < muon.size(); i++) {
[74]	582	elementMu = (TRootMuon*) branchMuon->NewEntry();
	583	elementMu->Charge = sign(muon[i].PID());
	584	elementMu->Set(muon[i].Px(),muon[i].Py(),muon[i].Pz(),muon[i].E());
[264]	585	elementMu->EtaCalo = muon[i].EtaCalo();
	586	elementMu->PhiCalo = muon[i].PhiCalo();
[74]	587	elementMu->IsolFlag = DET->Isolation(muon[i].Phi(),muon[i].Eta(),TrackCentral,2.0);
[30]	588	}
[74]	589	DET->SortedVector(gamma);
	590	for(unsigned int i=0; i < gamma.size(); i++) {
	591	elementPhoton = (TRootPhoton*) branchPhoton->NewEntry();
	592	elementPhoton->Set(gamma[i].Px(),gamma[i].Py(),gamma[i].Pz(),gamma[i].E());
	593	}
[30]	594
[178]	595	// 2.2.2 ************* computes the Missing Transverse Momentum
[71]	596	TLorentzVector Att(0.,0.,0.,0.);
	597	for(unsigned int i=0; i < towers.size(); i++)
	598	{
[107]	599	Att.SetPxPyPzE(towers[i].fourVector.px, towers[i].fourVector.py, towers[i].fourVector.pz, towers[i].fourVector.E);
	600	if(fabs(Att.Eta()) < DET->CEN_max_calo_fwd)
	601	{
	602	PTmis = PTmis + Att;
	603	// create a fastjet::PseudoJet with these components and put it onto
	604	// back of the input_particles vector
	605	input_particles.push_back(fastjet::PseudoJet(towers[i].fourVector.px,towers[i].fourVector.py,towers[i].fourVector.pz,towers[i].fourVector.E));
	606	}
[71]	607	}
	608	elementEtmis = (TRootETmis*) branchETmis->NewEntry();
	609	elementEtmis->ET = (PTmis).Pt();
	610	elementEtmis->Phi = (-PTmis).Phi();
	611	elementEtmis->Px = (-PTmis).Px();
	612	elementEtmis->Py = (-PTmis).Py();
[74]	613
[264]	614	// 2.2.3 ************* jets, B-tag, tau jets
[55]	615	sorted_jets=JETRUN->RunJets(input_particles);
	616	JETRUN->RunJetBtagging(treeWriter, branchJet,sorted_jets,NFCentralQ);
	617	JETRUN->RunTauJets(treeWriter,branchTauJet,sorted_jets,towers, TrackCentral);
[74]	618
[72]	619	treeWriter->Fill();
[178]	620	} // 2. Loop over all events ('for' loop)
[264]	621
	622
[212]	623	cout <<" "<< endl;
	624	cout <<" Exiting detector simulation... "<< endl;
	625
	626
[2]	627	treeWriter->Write();
[77]	628	delete treeWriter;
[191]	629	loopwatch.Stop();
[178]	630
	631
	632
[212]	633	// 3. ******** Trigger & Frog *********
[178]	634	// 3.1 ************ running the trigger in case the FLAG trigger is put to 1 in the datacard
[191]	635	triggerwatch.Start();
[94]	636	if(DET->FLAG_trigger == 1)
[72]	637	{
[212]	638	cout <<" "<<endl;
	639	cout <<" ########### Start Trigger selection ########### "<< endl;
	640
[178]	641	// input
[72]	642	TChain chainT("Analysis");
	643	chainT.Add(outputfilename.c_str());
	644	ExRootTreeReader *treeReaderT = new ExRootTreeReader(&chainT);
[74]	645
[178]	646	// output
[72]	647	TClonesArray *branchElecTrig = treeReaderT->UseBranch("Electron");
	648	TClonesArray *branchMuonTrig = treeReaderT->UseBranch("Muon");
	649	TClonesArray *branchJetTrig = treeReaderT->UseBranch("Jet");
	650	TClonesArray *branchTauJetTrig = treeReaderT->UseBranch("TauJet");
	651	TClonesArray *branchPhotonTrig = treeReaderT->UseBranch("Photon");
	652	TClonesArray *branchETmisTrig = treeReaderT->UseBranch("ETmis");
[74]	653
[72]	654	ExRootTreeWriter *treeWriterT = new ExRootTreeWriter(outputfilename, "Trigger");
	655	ExRootTreeBranch *branchTrigger = treeWriterT->NewBranch("TrigResult", TRootTrigger::Class());
[178]	656
	657
[72]	658	Long64_t entryT, allEntriesT = treeReaderT->GetEntries();
[178]	659	// loop on all entries
	660	for(entryT = 0; entryT < allEntriesT; ++entryT) {
[72]	661	treeWriterT->Clear();
	662	treeReaderT->ReadEntry(entryT);
	663	TRIGT->GetGlobalResult(branchElecTrig, branchMuonTrig,branchJetTrig, branchTauJetTrig,branchPhotonTrig, branchETmisTrig,branchTrigger);
	664	treeWriterT->Fill();
[178]	665	} // loop on all entries
[212]	666	cout <<" Exiting trigger simulation... "<< endl;
[94]	667
[72]	668	treeWriterT->Write();
	669	delete treeWriterT;
[228]	670	delete treeReaderT;
[178]	671	} // trigger
[191]	672	triggerwatch.Stop();
[178]	673
	674
	675	// 3.2 ************** FROG display
[191]	676	frogwatch.Start();
[228]	677	if(DET->FLAG_frog == 1) {
[212]	678	cout <<" "<<endl;
	679	cout <<" ################## Start FROG ################# "<< endl;
	680
[228]	681	FrogDisplay *FROG = new FrogDisplay(DET);
	682	FROG->BuildEvents(outputfilename);
	683	FROG->BuildGeom();
	684	delete FROG;
	685	}
	686	frogwatch.Stop();
[94]	687
[178]	688
	689
	690
	691	// 4. ******** End & Exit *********
[212]	692
[191]	693	globalwatch.Stop();
[212]	694	cout <<" "<< endl;
	695	cout <<" ################## Time report ################# "<< endl;
	696	cout << left << setw(32) <<"** Time report for "<<""
	697	<< left << setw(15) << allEntries <<""
	698	<< right << setw(22) <<"events **"<<endl;
	699	cout <<" "<< endl;
	700	cout << left << setw(10) <<"**"<<""
	701	<< left << setw(15) <<"Time (s):"<<""
	702	<< right << setw(15) <<"CPU"<<""
	703	<< right << setw(15) <<"Real"<<""
	704	<< right << setw(14) <<"**"<<endl;
	705	cout << left << setw(10) <<"**"<<""
	706	<< left << setw(15) <<" + Global:"<<""
	707	<< right << setw(15) <<globalwatch.CpuTime()<<""
	708	<< right << setw(15) <<globalwatch.RealTime()<<""
	709	<< right << setw(14) <<"**"<<endl;
	710	cout << left << setw(10) <<"**"<<""
	711	<< left << setw(15) <<" + Events:"<<""
	712	<< right << setw(15) <<loopwatch.CpuTime()<<""
	713	<< right << setw(15) <<loopwatch.RealTime()<<""
	714	<< right << setw(14) <<"**"<<endl;
[191]	715	if(DET->FLAG_trigger == 1)
[212]	716	{
	717	cout << left << setw(10) <<"**"<<""
	718	<< left << setw(15) <<" + Trigger:"<<""
	719	<< right << setw(15) <<triggerwatch.CpuTime()<<""
	720	<< right << setw(15) <<triggerwatch.RealTime()<<""
	721	<< right << setw(14) <<"**"<<endl;
	722	}
[191]	723	if(DET->FLAG_frog == 1)
[212]	724	{
	725	cout << left << setw(10) <<"**"<<""
	726	<< left << setw(15) <<" + Frog:"<<""
	727	<< right << setw(15) <<frogwatch.CpuTime()<<""
	728	<< right << setw(15) <<frogwatch.RealTime()<<""
	729	<< right << setw(14) <<"**"<<endl;
[191]	730
[212]	731	}
[2]	732
[212]	733	cout <<" "<< endl;
	734	cout <<" Exiting Delphes ... "<< endl;
	735	cout <<" "<< endl;
	736	cout <<"*********************************************************************"<< endl;
	737	cout <<"*********************************************************************"<< endl;
	738
	739
[2]	740	delete treeReader;
	741	delete DET;
[264]	742	delete TRIGT;
[74]	743	delete TRACP;
	744	delete JETRUN;
	745	delete VFD;
[228]	746	delete converter;
[94]	747
[191]	748	// todo("TODO");
[2]	749	}

Note: See TracBrowser for help on using the repository browser.

Download in other formats: