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Comparing UserCode/MitPhysics/Utils/src/MuonTools.cc (file contents):
Revision 1.1 by pharris, Mon Nov 3 13:19:19 2008 UTC vs.
Revision 1.10 by loizides, Mon Jul 20 04:55:33 2009 UTC

#	Line 1 | Line 1
1	<	#include "MitWlnu/MuonTools/interface/MuonTools.hh"
1	>	// $Id$
2	>
3	>	#include "MitPhysics/Utils/interface/MuonTools.h"
4	>	#include <TFile.h>
5	>
6	>	ClassImp(mithep::MuonTools)
7	>
8		using namespace mithep;
9
10	<	MuonTools::MuonTools() :
11	<	fpion_em_etaEmi(0),
12	<	fpion_had_etaEmi(0),
7	<	fpion_had_etaTmi(0),
8	<	fpion_em_etaB(0),
9	<	fpion_had_etaB(0),
10	<	fpion_ho_etaB(0),
11	<	fpion_had_etaTpl(0),
12	<	fpion_em_etaEpl(0),
13	<	fpion_had_etaEpl(0),
10	>	//--------------------------------------------------------------------------------------------------
11	>	MuonTools::MuonTools(const char *mutemp, const char *pitemp) :
12	>	fIsInit(kFALSE),
13		fmuon_em_etaEmi(0),
14		fmuon_had_etaEmi(0),
15		fmuon_had_etaTmi(0),
#	Line 19 | Line 18 | MuonTools::MuonTools() :
18		fmuon_ho_etaB(0),
19		fmuon_had_etaTpl(0),
20		fmuon_em_etaEpl(0),
21	<	fmuon_had_etaEpl(0) {}
22	<	MuonTools::~MuonTools() {
23	<	fPion_templates->Close();
24	<	fMuon_templates->Close();
25	<	delete fpion_em_etaEmi;
26	<	delete fpion_had_etaEmi;
27	<	delete fpion_had_etaTmi;
28	<	delete fpion_em_etaB;
29	<	delete fpion_had_etaB;
30	<	delete fpion_ho_etaB;
31	<	delete fpion_had_etaTpl;
32	<	delete fpion_em_etaEpl;
33	<	delete fpion_had_etaEpl;
34	<	delete fmuon_em_etaEmi;
35	<	delete fmuon_had_etaEmi;
36	<	delete fmuon_had_etaTmi;
37	<	delete fmuon_em_etaB;
38	<	delete fmuon_had_etaB;
39	<	delete fmuon_ho_etaB;
40	<	delete fmuon_had_etaTpl;
41	<	delete fmuon_em_etaEpl;
42	<	delete fmuon_had_etaEpl;
43	<	}
44	<
45	<	double MuonTools::getCaloCompatability(mithep::Muon* iMuon,bool iEMSpecial, bool iCorrectedHCAL) {
46	<	if(fpion_em_etaEmi == 0) {
47	<	TFile* fPion_templates = new TFile("../../data/PionCaloTemplate.root","READ");
48	<	TFile* fMuon_templates = new TFile("../../data/MuonCaloTemplate.root","READ");
49	<	fpion_em_etaEmi  = (TH2D*) fPion_templates->Get("em_etaEmi");
50	<	fpion_had_etaEmi = (TH2D*) fPion_templates->Get("had_etaEmi");
51	<	fpion_had_etaTmi = (TH2D*) fPion_templates->Get("had_etaTmi");
52	<	fpion_em_etaB    = (TH2D*) fPion_templates->Get("em_etaB")   ;
53	<	fpion_had_etaB   = (TH2D*) fPion_templates->Get("had_etaB")  ;
54	<	fpion_ho_etaB    = (TH2D*) fPion_templates->Get("ho_etaB")   ;
55	<	fpion_had_etaTpl = (TH2D*) fPion_templates->Get("had_etaTpl");
56	<	fpion_em_etaEpl  = (TH2D*) fPion_templates->Get("em_etaEpl") ;
57	<	fpion_had_etaEpl = (TH2D*) fPion_templates->Get("had_etaEpl");
58	<	fmuon_em_etaEmi  = (TH2D*) fMuon_templates->Get("em_etaEmi") ;
59	<	fmuon_had_etaEmi = (TH2D*) fMuon_templates->Get("had_etaEmi");
60	<	fmuon_had_etaTmi = (TH2D*) fMuon_templates->Get("had_etaTmi");
61	<	fmuon_em_etaB    = (TH2D*) fMuon_templates->Get("em_etaB")   ;
62	<	fmuon_had_etaB   = (TH2D*) fMuon_templates->Get("had_etaB")  ;
63	<	fmuon_ho_etaB    = (TH2D*) fMuon_templates->Get("ho_etaB")   ;
64	<	fmuon_had_etaTpl = (TH2D*) fMuon_templates->Get("had_etaTpl");
65	<	fmuon_em_etaEpl  = (TH2D*) fMuon_templates->Get("em_etaEpl");
66	<	fmuon_had_etaEpl = (TH2D*) fMuon_templates->Get("had_etaEpl");
67	<	}
68	<	double lEta = -1.; double lP = -1;
69	<	double lEM  = -5.;      double lHad = 0;      double lHO = 0;
70	<	lEta = iMuon->Eta();
71	<	lP   = iMuon->P();
72	<	if(lP >= 2000.) lP = 1999.9;
73	<	if(!iEMSpecial || iMuon->EmEnergy() != 0.) lEM  = iMuon->EmEnergy();
74	<	lHad = iMuon->HadEnergy();
75	<	lHO  = iMuon->HoEnergy();
76	<	if(lP < 0. )           return 0.5;
77	<	if(fabs(lEta) >  2.5 ) return 0.5;
78	<	TH2D* lTMuonHad = NULL;
79	<	TH2D* lTPionHad = NULL;
80	<	TH2D* lTMuonHo  = NULL;
81	<	TH2D* lTPionHo  = NULL;
82	<	TH2D* lTMuonEm  = NULL;
83	<	TH2D* lTPionEm  = NULL;
84	<
85	<	if(fabs(lEta) >=  1.27) {
86	<	if(iCorrectedHCAL) lHad *= 1.8/2.2;
87	<	if(lEta > 0) {
21	>	fmuon_had_etaEpl(0),
22	>	fpion_em_etaEmi(0),
23	>	fpion_had_etaEmi(0),
24	>	fpion_had_etaTmi(0),
25	>	fpion_em_etaB(0),
26	>	fpion_had_etaB(0),
27	>	fpion_ho_etaB(0),
28	>	fpion_had_etaTpl(0),
29	>	fpion_em_etaEpl(0),
30	>	fpion_had_etaEpl(0)
31	>	{
32	>	// Constructor.
33	>
34	>	if (mutemp && pitemp)
35	>	Init(mutemp, pitemp);
36	>	}
37	>
38	>	//--------------------------------------------------------------------------------------------------
39	>	MuonTools::~MuonTools()
40	>	{
41	>	// Destructor.
42	>
43	>	DeleteHistos();
44	>	}
45	>
46	>	//--------------------------------------------------------------------------------------------------
47	>	void MuonTools::DeleteHistos()
48	>	{
49	>	// Delete histograms.
50	>
51	>	if (fIsInit) {
52	>	delete fpion_em_etaEmi;
53	>	delete fpion_had_etaEmi;
54	>	delete fpion_had_etaTmi;
55	>	delete fpion_em_etaB;
56	>	delete fpion_had_etaB;
57	>	delete fpion_ho_etaB;
58	>	delete fpion_had_etaTpl;
59	>	delete fpion_em_etaEpl;
60	>	delete fpion_had_etaEpl;
61	>	delete fmuon_em_etaEmi;
62	>	delete fmuon_had_etaEmi;
63	>	delete fmuon_had_etaTmi;
64	>	delete fmuon_em_etaB;
65	>	delete fmuon_had_etaB;
66	>	delete fmuon_ho_etaB;
67	>	delete fmuon_had_etaTpl;
68	>	delete fmuon_em_etaEpl;
69	>	delete fmuon_had_etaEpl;
70	>	fpion_em_etaEmi  = 0;
71	>	fpion_had_etaEmi = 0;
72	>	fpion_had_etaTmi = 0;
73	>	fpion_em_etaB    = 0;
74	>	fpion_had_etaB   = 0;
75	>	fpion_ho_etaB    = 0;
76	>	fpion_had_etaTpl = 0;
77	>	fpion_em_etaEpl  = 0;
78	>	fpion_had_etaEpl = 0;
79	>	fmuon_em_etaEmi  = 0;
80	>	fmuon_had_etaEmi = 0;
81	>	fmuon_had_etaTmi = 0;
82	>	fmuon_em_etaB    = 0;
83	>	fmuon_had_etaB   = 0;
84	>	fmuon_ho_etaB    = 0;
85	>	fmuon_had_etaTpl = 0;
86	>	fmuon_em_etaEpl  = 0;
87	>	fmuon_had_etaEpl = 0;
88	>	fIsInit = kFALSE;
89	>	}
90	>	}
91	>
92	>	//--------------------------------------------------------------------------------------------------
93	>	Double_t MuonTools::GetCaloCompatability(const Muon *iMuon,
94	>	Bool_t iEMSpecial, Bool_t iCorrectedHCAL) const
95	>	{
96	>	// Get calo compatibility value for given muon based on calorimeter templates.
97	>	// If iEMSpecial is true, then a use different arrangement of ECAL for compatibility.
98	>
99	>	Double_t lEta = iMuon->Eta();
100	>	Double_t aEta = TMath::Abs(lEta);
101	>	if (aEta > 2.5)
102	>	return 0.5;
103	>
104	>	Double_t lP = iMuon->P();
105	>	if (lP >= 2000.)
106	>	lP = 1999.9;
107	>	if(lP < 0. )
108	>	return 0.5;
109	>
110	>	Double_t lEM  = -5.;
111	>	if (!iEMSpecial || iMuon->EmEnergy() != 0.)
112	>	lEM  = iMuon->EmEnergy();
113	>
114	>	Double_t lHad = iMuon->HadEnergy();
115	>	Double_t lHO = iMuon->HoEnergy();;
116	>
117	>	TH2D *lTMuonHad = 0;
118	>	TH2D *lTPionHad = 0;
119	>	TH2D *lTMuonHo  = 0;
120	>	TH2D *lTPionHo  = 0;
121	>	TH2D *lTMuonEm  = 0;
122	>	TH2D *lTPionEm  = 0;
123	>
124	>	if (aEta >= 1.27) {
125	>	if (iCorrectedHCAL)
126	>	lHad *= 1.8/2.2;
127	>	if (lEta > 0) {
128		lTPionHad = fpion_had_etaEpl;
129		lTMuonHad = fmuon_had_etaEpl;
130		} else {
#	Line 93 | Line 132 | double MuonTools::getCaloCompatability(m
132		lTMuonHad = fmuon_had_etaEmi;
133		}
134		}
135	<	if(fabs(lEta) <  1.27  && fabs(lEta) >=  1.1 ) {
136	<	if(iCorrectedHCAL)    lHad *= (1.8/(-2.2*fabs(lEta)+5.5));
137	<	if(lEta > 0) {
135	>
136	>	if (aEta < 1.27 && aEta >= 1.1) {
137	>	if (iCorrectedHCAL)
138	>	lHad *= (1.8/(-2.2*aEta+5.5));
139	>	if (lEta > 0) {
140		lTPionHad  = fpion_had_etaTpl;
141		lTMuonHad  = fmuon_had_etaTpl;
142		} else {
#	Line 103 | Line 144 | double MuonTools::getCaloCompatability(m
144		lTMuonHad  = fmuon_had_etaTmi;
145		}
146		}
147	<	if(fabs(lEta) <  1.1) {
148	<	if(iCorrectedHCAL)    lHad *= sin(2*atan(exp(iMuon->Eta())));
147	>
148	>	if (aEta < 1.1) {
149	>	if(iCorrectedHCAL)
150	>	lHad *= TMath::Sin(2*TMath::ATan(TMath::Exp(lEta)));
151		lTPionHad  = fpion_had_etaB;
152		lTMuonHad  = fmuon_had_etaB;
153		}
154	<	if(lEta >  1.479  ) {
155	<	lTPionEm  = fpion_em_etaEpl;
156	<	lTMuonEm  = fmuon_em_etaEpl;
154	>	if (lEta > 1.479) {
155	>	lTPionEm = fpion_em_etaEpl;
156	>	lTMuonEm = fmuon_em_etaEpl;
157		}
158	<	if(fabs(lEta) <=  1.479) {
158	>	if (aEta <= 1.479) {
159		lTPionEm  = fpion_em_etaB;
160		lTMuonEm  = fmuon_em_etaB;
161		}
162	<	if(lEta < -1.479 ) {
162	>	if (lEta < -1.479) {
163		lTPionEm  = fpion_em_etaEmi;
164		lTMuonEm  = fmuon_em_etaEmi;
165		}
166	<	if(fabs(lEta) < 1.28) {
166	>	if (aEta < 1.28) {
167		lTPionHo  = fpion_ho_etaB;
168		lTMuonHo  = fmuon_ho_etaB;
169		}
170
171	<	double lPBX = 1.;     double lPSX = 1.;
172	<	double lPBY = 1.;     double lPSY = 1.;
173	<	double lPBZ = 1.;     double lPSZ = 1.;
174	<	if(!overflow(lTPionEm, lP,lEM))  lPBX =  lTPionEm ->GetBinContent(lTPionEm ->GetXaxis()->FindBin(lP),lTPionEm ->GetYaxis()->FindBin(lEM) );
175	<	if(!overflow(lTPionHad,lP,lHad)) lPBY =  lTPionHad->GetBinContent(lTPionHad->GetXaxis()->FindBin(lP),lTPionHad->GetYaxis()->FindBin(lHad));
176	<	if(!overflow(lTPionHo, lP,lHO))  lPBZ =  lTPionHo ->GetBinContent(lTPionHo ->GetXaxis()->FindBin(lP),lTPionHo ->GetYaxis()->FindBin(lHO) );
177	<	if(!overflow(lTMuonEm, lP,lEM )) lPSX =  lTMuonEm ->GetBinContent(lTMuonEm ->GetXaxis()->FindBin(lP),lTMuonEm ->GetYaxis()->FindBin(lEM) );
178	<	if(!overflow(lTMuonHad,lP,lHad)) lPSY =  lTMuonHad->GetBinContent(lTMuonHad->GetXaxis()->FindBin(lP),lTMuonHad->GetYaxis()->FindBin(lHad));
179	<	if(!overflow(lTMuonHo ,lP,lHO))  lPSZ =  lTMuonHo ->GetBinContent(lTMuonHo ->GetXaxis()->FindBin(lP),lTMuonHo ->GetYaxis()->FindBin(lHO) );
171	>	Double_t lPBX = 1.;
172	>	Double_t lPSX = 1.;
173	>	Double_t lPBY = 1.;
174	>	Double_t lPSY = 1.;
175	>	Double_t lPBZ = 1.;
176	>	Double_t lPSZ = 1.;
177	>	if (!Overflow(lTPionEm, lP,lEM))
178	>	lPBX = lTPionEm ->GetBinContent(lTPionEm ->GetXaxis()->FindBin(lP),
179	>	lTPionEm ->GetYaxis()->FindBin(lEM));
180	>	if (!Overflow(lTPionHad,lP,lHad))
181	>	lPBY = lTPionHad->GetBinContent(lTPionHad->GetXaxis()->FindBin(lP),
182	>	lTPionHad->GetYaxis()->FindBin(lHad));
183	>	if (!Overflow(lTPionHo, lP,lHO))
184	>	lPBZ = lTPionHo ->GetBinContent(lTPionHo ->GetXaxis()->FindBin(lP),
185	>	lTPionHo ->GetYaxis()->FindBin(lHO));
186	>	if (!Overflow(lTMuonEm, lP,lEM ))
187	>	lPSX = lTMuonEm ->GetBinContent(lTMuonEm ->GetXaxis()->FindBin(lP),
188	>	lTMuonEm ->GetYaxis()->FindBin(lEM));
189	>	if (!Overflow(lTMuonHad,lP,lHad))
190	>	lPSY = lTMuonHad->GetBinContent(lTMuonHad->GetXaxis()->FindBin(lP),
191	>	lTMuonHad->GetYaxis()->FindBin(lHad));
192	>	if (!Overflow(lTMuonHo ,lP,lHO))
193	>	lPSZ =  lTMuonHo ->GetBinContent(lTMuonHo ->GetXaxis()->FindBin(lP),
194	>	lTMuonHo ->GetYaxis()->FindBin(lHO));
195
196	<	if(lPSX == 0. || lPBX == 0. || (lEM <= 0. && !iEMSpecial)) {lPSX = 1.; lPBX = 1.;}
197	<	if(lPSY == 0. || lPBY == 0. || lHad == 0.) {lPSY = 1.; lPBY = 1.;}
198	<	if(lPSZ == 0. || lPBZ == 0. || lHO  == 0.) {lPSZ = 1.; lPBZ = 1.;}
199	<	if((lPSX*lPSY*lPSZ+lPBX*lPBY*lPBZ) > 0.) return lPSX*lPSY*lPSZ/(lPSX*lPSY*lPSZ+lPBX*lPBY*lPBZ);
196	>	if (lPSX == 0. || lPBX == 0. || (lEM <= 0. && !iEMSpecial)) {
197	>	lPSX = 1.;
198	>	lPBX = 1.;
199	>	}
200	>	if (lPSY == 0. || lPBY == 0. || lHad == 0.) {
201	>	lPSY = 1.;
202	>	lPBY = 1.;
203	>	}
204	>	if (lPSZ == 0. || lPBZ == 0. || lHO  == 0.) {
205	>	lPSZ = 1.;
206	>	lPBZ = 1.;
207	>	}
208	>	if ((lPSX*lPSY*lPSZ+lPBX*lPBY*lPBZ) > 0.)
209	>	return lPSX*lPSY*lPSZ/(lPSX*lPSY*lPSZ+lPBX*lPBY*lPBZ);
210	>
211		return 0.5;
212		}
213
214	<	bool MuonTools::isGood(mithep::Muon *iMuon,selection iSelection) {
215	<	double lVal = 0;
216	<	switch(iSelection) {
217	<	case AllArbitrated:
218	<	if(iMuon->StandaloneTrk() != 0 || iMuon->GlobalTrk()!= 0)  return true;
219	<	if(iMuon->NSegments() > 0) return true;
220	<	return false;
221	<	break;
222	<	case PromptTight:
223	<	return promptTight(-1,iMuon);
224	<	break;
225	<	case TMOneStationLoose:
226	<	return TMOneStation(iMuon,99999,999999);
227	<	break;
228	<	case TMOneStationTight:
160	<	return TMOneStation(iMuon);
161	<	break;
162	<	case TMLastStationLoose:
163	<	return TMLastStation(iMuon,999999,999999);
164	<	break;
165	<	case TMLastStationTight:
166	<	return TMLastStation(iMuon);
167	<	break;
168	<	case TM2DCompatibilityLoose:
169	<	lVal             = 1.2*getSegmentCompatability(iMuon);
170	<	if(lVal/1.2 == 0.5) return false;
171	<	lVal += 0.8*getCaloCompatability(iMuon,true,true);
172	<	if(lVal > 0.7) return true;
173	<	return false;
174	<	break;
175	<	case TM2DCompatibilityTight:
176	<	lVal             = 1.2*getSegmentCompatability(iMuon);
177	<	if(lVal/1.2 == 0.5) return false;
178	<	lVal += 0.8*getCaloCompatability(iMuon,true,true);
179	<	if(lVal > 1.0) return true;
180	<	return false;
181	<	break;
182	<	default:
183	<	return false;
214	>	//--------------------------------------------------------------------------------------------------
215	>	Bool_t MuonTools::Init(const char *mutemp, const char *pitemp)
216	>	{
217	>	// Read histograms from given files.
218	>
219	>	if (fIsInit) {
220	>	DeleteHistos();
221	>	}
222	>
223	>	TDirectory::TContext context(0);
224	>
225	>	TFile *muon_templates = TFile::Open(mutemp);
226	>	if (!muon_templates) {
227	>	Fatal("Init", "Could not open file %s", mutemp);
228	>	return kFALSE;
229		}
230	<	return false;
230	>	fmuon_em_etaEmi  = LoadHisto("em_etaEmi",  muon_templates);
231	>	fmuon_had_etaEmi = LoadHisto("had_etaEmi", muon_templates);
232	>	fmuon_had_etaTmi = LoadHisto("had_etaTmi", muon_templates);
233	>	fmuon_em_etaB    = LoadHisto("em_etaB",    muon_templates);
234	>	fmuon_had_etaB   = LoadHisto("had_etaB",   muon_templates);
235	>	fmuon_ho_etaB    = LoadHisto("ho_etaB",    muon_templates);
236	>	fmuon_had_etaTpl = LoadHisto("had_etaTpl", muon_templates);
237	>	fmuon_em_etaEpl  = LoadHisto("em_etaEpl",  muon_templates);
238	>	fmuon_had_etaEpl = LoadHisto("had_etaEpl", muon_templates);
239	>	muon_templates->Close();
240	>	delete muon_templates;
241	>
242	>	TFile *pion_templates = TFile::Open(pitemp);
243	>	if (!pion_templates) {
244	>	Fatal("Init", "Could not open file %s", pitemp);
245	>	return kFALSE;
246	>	}
247	>
248	>	fpion_em_etaEmi  = LoadHisto("em_etaEmi",  pion_templates);
249	>	fpion_had_etaEmi = LoadHisto("had_etaEmi", pion_templates);
250	>	fpion_had_etaTmi = LoadHisto("had_etaTmi", pion_templates);
251	>	fpion_em_etaB    = LoadHisto("em_etaB",    pion_templates);
252	>	fpion_had_etaB   = LoadHisto("had_etaB",   pion_templates);
253	>	fpion_ho_etaB    = LoadHisto("ho_etaB",    pion_templates);
254	>	fpion_had_etaTpl = LoadHisto("had_etaTpl", pion_templates);
255	>	fpion_em_etaEpl  = LoadHisto("em_etaEpl",  pion_templates);
256	>	fpion_had_etaEpl = LoadHisto("had_etaEpl", pion_templates);
257	>	pion_templates->Close();
258	>	delete pion_templates;
259	>
260	>	fIsInit = kTRUE;
261	>	return kTRUE;
262	>	}
263	>
264	>	//--------------------------------------------------------------------------------------------------
265	>	Bool_t MuonTools::IsGood(const mithep::Muon *iMuon, ESelType iSel) const
266	>	{
267	>	// Return true if given muon qualifies given selection criterium.
268	>
269	>	Double_t tm2dcut = 0.;
270	>
271	>	switch(iSel) {
272	>	case kAllArbitrated:
273	>	if (iMuon->StandaloneTrk() != 0 || iMuon->GlobalTrk()!= 0)
274	>	return kTRUE;
275	>	if (iMuon->NSegments() > 0)
276	>	return kTRUE;
277	>	break;
278	>	case kPromptTight:
279	>	return iMuon->PromptTight(Muon::kAny);
280	>	break;
281	>	case kTMOneStationLoose:
282	>	return iMuon->TMOneStation(999999,999999);
283	>	break;
284	>	case kTMOneStationTight:
285	>	return iMuon->TMOneStation();
286	>	break;
287	>	case kTMLastStationLoose:
288	>	return iMuon->TMLastStation(999999,999999);
289	>	break;
290	>	case kTMLastStationTight:
291	>	return iMuon->TMLastStation();
292	>	break;
293	>	case kTM2DCompatibilityLoose:
294	>	tm2dcut = 0.7;
295	>	break;
296	>	case kTM2DCompatibilityTight:
297	>	tm2dcut = 1.0;
298	>	break;
299	>	default:
300	>	return kFALSE;
301	>	break;
302	>	}
303	>
304	>	Double_t lVal = GetSegmentCompatability(iMuon);
305	>	if (lVal == 0.5) // exclude this border case
306	>	return kFALSE;
307	>
308	>	lVal *= 1.2;
309	>	lVal += 0.8*GetCaloCompatability(iMuon,kTRUE,kTRUE);
310	>	if (lVal > tm2dcut)
311	>	return kTRUE;
312	>
313	>	return kFALSE;
314		}
315	+
316	+	//--------------------------------------------------------------------------------------------------
317	+	Double_t MuonTools::GetSegmentCompatability(const mithep::Muon *iMuon) const
318	+	{
319	+	// Get segment compatability for given muon based on likelihood of well defined
320	+	// track through chambers.
321	+
322	+	Int_t lNStationsCrossed = 0;
323	+	Int_t lNStationsSegment = 0;
324	+
325	+	Int_t lStSegmentmatch[8];
326	+	Int_t lStCrossed[8];
327	+	Double_t lStBoundary[8];
328	+
329	+	Double_t lWeight  = 0.;
330	+	Bool_t lAdjust    = kTRUE;
331	+	for (Int_t i0 = 0; i0 < 8; ++i0) {
332	+	lStBoundary[i0] = 0.;
333	+	if(iMuon->GetTrackDist(i0) < 999999. ) {
334	+	lNStationsCrossed++;
335	+	lStCrossed[i0]  = 1;
336	+	if (iMuon->GetTrackDist(i0) > -10. )
337	+	lStBoundary[i0] = iMuon->GetTrackDist(i0);
338	+	} else
339	+	lStCrossed[i0]  = 0;
340	+
341	+	if(iMuon->GetDX(i0) < 999999.) {
342	+	lNStationsSegment++;
343	+	lStSegmentmatch[i0] = 1;
344	+	} else
345	+	lStSegmentmatch[i0] = 0;
346	+
347	+	if(iMuon->GetDY(i0) < 999999.)
348	+	lAdjust = kFALSE;
349	+	}
350	+
351	+	if (lNStationsCrossed == 0)
352	+	return 0.5;
353	+
354	+	Double_t lStWeight[8];
355	+	Int_t lPCross = -1;
356	+	const Double_t lAtWeight = 0.5;
357	+	for (Int_t i0 = 0; i0< 8; ++i0) {
358	+	lStWeight[i0] = 0;
359	+	if (lStCrossed[i0] > 0) {
360	+	lPCross++;
361	+
362	+	switch (lNStationsCrossed) {
363	+	case 1 :
364	+	lStWeight[i0] =  1.;
365	+	break;
366	+	case 2 :
367	+	if (lPCross == 0 )
368	+	lStWeight[i0] = 0.33;
369	+	else
370	+	lStWeight[i0] = 0.67;
371	+	break;
372	+	case 3 :
373	+	if (lPCross == 0)
374	+	lStWeight[i0] = 0.23;
375	+	else if (lPCross == 1)
376	+	lStWeight[i0] = 0.33;
377	+	else
378	+	lStWeight[i0] = 0.44;
379	+	break;
380	+	case 4 :
381	+	if (lPCross == 0)
382	+	lStWeight[i0] = 0.10;
383	+	else if (lPCross == 1)
384	+	lStWeight[i0] = 0.20;
385	+	else if (lPCross == 2)
386	+	lStWeight[i0] = 0.30;
387	+	else
388	+	lStWeight[i0] = 0.40;
389	+	break;
390	+	default :
391	+	lStWeight[i0] = 1./lNStationsCrossed;
392	+	}
393	+
394	+	if (lStSegmentmatch[i0] <= 0 && lStBoundary[i0] != 0.)
395	+	lStWeight[i0] *= lAtWeight*0.5*(TMath::Erf(lStBoundary[i0]/6.)+1.);
396	+	else if (lStSegmentmatch[i0] <= 0 && lStBoundary[i0] == 0)
397	+	lStWeight[i0] = 0.;
398	+
399	+	if (lStSegmentmatch[i0] > 0) {
400	+	Double_t lP2X = TMath::Power(iMuon->GetPullX(i0),2.);
401	+	Double_t lP2Y = TMath::Power(iMuon->GetPullY(i0),2.);
402	+	Double_t lD2X = TMath::Power(iMuon->GetDX(i0),2.);
403	+	Double_t lD2Y = TMath::Power(iMuon->GetDY(i0),2.);
404	+	if (iMuon->GetDY(i0) < 999999 && iMuon->GetDX(i0) < 999999)
405	+	lStWeight[i0] *= SigWeight(TMath::Sqrt(lD2X+lD2Y),TMath::Sqrt(lP2X+lP2Y));
406	+	else if (iMuon->GetDY(i0) >= 999999 && i0 < 4)
407	+	lStWeight[i0] *= SigWeight(iMuon->GetDX(i0),iMuon->GetPullX(i0));
408	+	else if(i0 < 4)
409	+	lStWeight[i0] *= SigWeight(iMuon->GetDY(i0),iMuon->GetPullY(i0));
410	+	}
411	+	}
412	+	lWeight += lStWeight[i0];
413	+	}
414	+
415	+	return lWeight;
416	+	}
417	+
418	+	//--------------------------------------------------------------------------------------------------
419	+	TH2D *MuonTools::LoadHisto(const char *name, TFile *file) const
420	+	{
421	+	// Load histogram with given name from given file and return it.
422	+
423	+	TH2D *ret = dynamic_cast<TH2D*>(file->Get(name));
424	+	if (!ret) {
425	+	Fatal("LoadHisto", "Could not load histogram %s from file %s", name, file->GetName());
426	+	return 0;
427	+	}
428	+	ret->SetDirectory(0);
429	+	return ret;
430	+	}
431	+

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