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Comparing UserCode/MitHzz4l/LeptonSelection/src/MuonSelection.cc (file contents):
Revision 1.3 by anlevin, Wed Feb 29 10:10:18 2012 UTC vs.
Revision 1.9 by khahn, Tue May 1 16:38:35 2012 UTC

#	Line 1 | Line 1
1		#include <math.h>
2		#include <iostream>
3
4	–	#include "HiggsAnaDefs.hh"
5	–
4		#include "MuonSelection.h"
5		#include "ParseArgs.h"
6		#include "SelectionStatus.h"
7
8	<	SelectionStatus noPreSelection( ControlFlags &ctrl,  const mithep::TMuon * mu ) {
8	>	#include "Track.h"
9	>	#include "MuonTools.h"
10	>	#include "MuonQuality.h"
11	>	#include "MuonIDMVA.h"
12	>
13	>	mithep::MuonIDMVA * muIDMVA;
14	>	mithep::MuonTools muTools;
15	>
16	>	extern Float_t computePFMuonIso(const mithep::Muon *mu,
17	>	const mithep::Vertex & vtx,
18	>	const mithep::Array<mithep::PFCandidate> * pfCandidates,
19	>	const Double_t dRMax);
20	>
21	>	//--------------------------------------------------------------------------------------------------
22	>	SelectionStatus muonDummyVeto(ControlFlags &ctrl,
23	>	const mithep::Muon *muon,
24	>	const mithep::Vertex &vtx)
25	>	//--------------------------------------------------------------------------------------------------
26	>	{
27	>	SelectionStatus status;
28	>	status.setStatus(SelectionStatus::PRESELECTION);
29	>	return status;
30	>	}
31	>
32	>	//--------------------------------------------------------------------------------------------------
33	>	SelectionStatus muonCutBasedVeto(ControlFlags &ctrl,
34	>	const mithep::Muon *muon,
35	>	const mithep::Vertex &vtx)
36	>	//--------------------------------------------------------------------------------------------------
37	>	{
38	>	//
39	>	// Loose cut-based ID for isolation veto
40	>	//
41	>	bool ret = true;
42	>
43	>	if(!(muon->IsGlobalMuon() || muon->IsTrackerMuon())) ret = false;
44	>	if( muon->NValidHits() < 11 )                        ret = false;
45	>	if( fabs(muon->Ip3dPVSignificance()) >= 4 )          ret = false;
46	>
47	>	SelectionStatus status;
48	>	if( ret ) status.setStatus(SelectionStatus::PRESELECTION);
49	>	return status;
50	>	}
51	>
52	>
53	>	//--------------------------------------------------------------------------------------------------
54	>	SelectionStatus noPreSelection( ControlFlags &ctrl,  const mithep::Muon * mu )
55	>
56	>	//--------------------------------------------------------------------------------------------------
57	>	{
58		SelectionStatus status;
59		status.setStatus(SelectionStatus::PRESELECTION);
60		if(ctrl.debug) cout << "muon presel returning status : " << status.getStatus() << endl;
61		return status;
62		}
63
64	<	SelectionStatus muonPreSelection( ControlFlags &ctrl,  const mithep::TMuon * mu ) {
64	>	//--------------------------------------------------------------------------------------------------
65	>	SelectionStatus muonPreSelection( ControlFlags &ctrl,
66	>	const mithep::Muon * mu,
67	>	const mithep::Vertex & vtx,
68	>	const mithep::Array<mithep::PFCandidate> * pfCandidates )
69	>	//--------------------------------------------------------------------------------------------------
70	>	{
71	>	bool ret = true;
72		if(ctrl.debug) cout << "inside muonpresel ... " << endl;
73	<	bool ret = isMuFO(mu);
73	>	//  bool ret = isMuFO(mu,vtx,pfCandidates);
74		if(ctrl.debug) cout << "iS fo? ... " << ret << endl;
75	<	ret &= ( fabs(mu->ip3dSig) < 4 );
76	<	if(ctrl.debug) cout << "and pass IP (" << mu->ip3dSig << ") ? ... " << ret << endl;
77	<	ret &= ( mu->pt > 5 );
78	<	if(ctrl.debug) cout << "and >5 GeV ? ... " << ret << endl;
79	<	ret &= ( fabs(mu->eta) < 2.4 );
80	<	if(ctrl.debug) cout << "and < 2.4 eta ? ... " << ret << endl;
75	>	ret &= ( fabs(mu->Ip3dPVSignificance()) < 4 );
76	>	if(ctrl.debug) cout << "and pass IP (" << mu->Ip3dPVSignificance() << ") ? ... " << ret << endl;
77	>	ret &= ( mu->Pt() > 5 );
78	>	if(ctrl.debug) cout << "and >5 GeV (" << mu->Pt() << ") ? ... " << ret << endl;
79	>	ret &= ( fabs(mu->Eta()) <= 2.4 );
80	>	if(ctrl.debug) cout << "and < 2.4 eta (" << mu->Eta() << ")? ... " << ret << endl;
81	>	ret &=  (mu->IsTrackerMuon() && mu->HasTrackerTrk() &&
82	>	(mu->Quality().QualityMask().Mask() & mithep::MuonQuality::AllArbitrated));
83	>	if(ctrl.debug) cout << "and isTrackerMuon ? ... " << ret << endl;
84	>	//  ret &=  (mu->IsoR03SumPt()/mu->Pt() < 0.7 );
85	>	ret &=  (mu->IsoR03SumPt()/mu->Pt() < 0.7 );
86	>	if(ctrl.debug) cout << "and loose trk iso ? ... " << ret << endl;
87
88		SelectionStatus status;
89		if( ret ) status.setStatus(SelectionStatus::PRESELECTION);
#	Line 31 | Line 91 | SelectionStatus muonPreSelection( Contro
91		return status;
92		}
93
94	<	bool isMuFO( const mithep::TMuon * mu ) {
94	>
95	>	//--------------------------------------------------------------------------------------------------
96	>	bool isMuFO( const mithep::Muon * mu,
97	>	const mithep::Vertex & vtx,
98	>	const mithep::Array<mithep::PFCandidate> * pfCandidates )
99	>	//--------------------------------------------------------------------------------------------------
100	>	{
101		bool isgood=true;
102	<	float reliso = mu->pfIso03/mu->pt;
102	>	float reliso = computePFMuonIso(mu,vtx,pfCandidates,0.3)/mu->Pt();
103
104	<	if( mu->pt < 5  )         isgood=false;
105	<	if ( fabs(mu->dz) > 0.2 ) isgood=false;   // needed to remove cosmics in HF sample
104	>	if( mu->Pt() < 5  )         isgood=false;
105	>	if ( fabs(mu->BestTrk()->DzCorrected(vtx)) > 0.2 ) isgood=false;   // needed to remove cosmics in HF sample
106
107		//
108
109		// HF seems to not want tkquality, SS does
110	<	if( mu->pt>20 ) {
111	<	if ( !((mu->typeBits & kGlobal) && mu->nSeg>0  ) ) isgood=false; //&& mu->nValidHits>0
110	>	if( mu->Pt()>20 ) {
111	>	if ( !((mu->IsGlobalMuon()) && mu->NSegments()>0  ) ) isgood=false; //&& mu->nValidHits>0
112		} else {
113	<	if ( !((mu->typeBits & kGlobal) && mu->nSeg>0 ) //&& //&& mu->nValidHits>0
114	<	&& !( (mu->typeBits & kTracker) &&  (mu->qualityBits & kTMOneStationLoose)
113	>	if ( !((mu->IsGlobalMuon()) && mu->NSegments()>0 ) //&& //&& mu->nValidHits>0
114	>	&& !( (mu->IsTrackerMuon()) &&  (mu->Quality().QualityMask().Mask() & muTools.kTMOneStationLoose)
115		)
116		)   isgood=false;
117		}
#	Line 64 | Line 130 | bool isMuFO( const mithep::TMuon * mu )
130
131
132		// comment for more stats for mu fake shape
133	<	if( mu->pt < 20 ) {
133	>	if( mu->Pt() < 20 ) {
134		if( reliso > 3 ) isgood=false;
135		} else {
136		if( reliso > 5 ) isgood=false;
#	Line 73 | Line 139 | bool isMuFO( const mithep::TMuon * mu )
139		return isgood;
140		};
141
142	<
143	<	SelectionStatus passSoftMuonSelection( ControlFlags &ctrl, const mithep::TMuon * mu ) {
142	>	//--------------------------------------------------------------------------------------------------
143	>	SelectionStatus passSoftMuonSelection( ControlFlags &ctrl,
144	>	const mithep::Muon * mu ,
145	>	const mithep::Vertex & vtx)
146	>	//--------------------------------------------------------------------------------------------------
147	>	{
148
149		int level=0;
150		unsigned failmask=0x0;
151
152	<	if(mu->nTkHits < 11 )
152	>	// Use tracker track when available
153	>	const mithep::Track *muTrk=0;
154	>	if(mu->HasStandaloneTrk()) { muTrk = mu->StandaloneTrk(); }
155	>	else if(mu->HasTrackerTrk())         { muTrk = mu->TrackerTrk(); }
156	>	else if(mu->HasGlobalTrk())     { muTrk = mu->GlobalTrk(); }
157	>	assert(muTrk);
158	>
159	>	if(mu->TrackerTrk()->NHits() < 11 )
160		failmask |= (1<<level);
161		level++;
162
163	<	if(fabs(mu->d0) > 0.2)
163	>	if(fabs(muTrk->D0Corrected(vtx)) > 0.2)
164		failmask |= (1<<level);
165		level++;
166
167	<	if(fabs(mu->dz) > 0.1)
167	>	if(fabs(muTrk->DzCorrected(vtx)) > 0.1)
168		failmask |= (1<<level);
169		level++;
170
171	<	if(!(mu->typeBits & kTracker))
171	>	if(!(mu->IsTrackerMuon()))
172		failmask |= (1<<level);
173		level++;
174
175	<	if(!(mu->qualityBits & kTMLastStationAngTight))
175	>	//  if(!(mu->Quality().QualityMask().Mask() & muTools.kTMLastStationAngTight))
176	>	if(!(mu->Quality().QualityMask().Mask() & muTools.kTMLastStationTight))
177		failmask |= (1<<level);
178		level++;
179
180	<	Double_t iso = (mu->trkIso03 + mu->emIso03 + mu->hadIso03)/mu->pt;
181	<	if(mu->pt>20 && iso<0.1)
180	>	Double_t iso = (mu->IsoR03SumPt() + mu->IsoR03EmEt() + mu->IsoR03HadEt())/mu->Pt();
181	>	if(mu->Pt()>20 && iso<0.1)
182		failmask |= (1<<level);
183
184		bool passtight  = !(failmask);
#	Line 109 | Line 187 | SelectionStatus passSoftMuonSelection( C
187
188		}
189
190	<
190	>	//--------------------------------------------------------------------------------------------------
191		//unsigned passMuonSelectionZZ( const mithep::TMuon * mu ) {
192	<	SelectionStatus passMuonSelectionZZ( ControlFlags &ctrl, const mithep::TMuon * mu ) {
192	>	SelectionStatus passMuonSelectionZZ( ControlFlags &ctrl, const mithep::Muon * mu )
193	>	//--------------------------------------------------------------------------------------------------
194	>	{
195		int level=0;
196		unsigned failmask=0x0;
197
198	<	if(mu->pt < 5) {
198	>	if(mu->Pt() < 5) {
199		failmask |= (1<<level);
200		}
201
202		level++;
203	<	if(fabs(mu->eta) > 2.4) {
203	>	if(fabs(mu->Eta()) > 2.4) {
204		failmask |= (1<<level);
205		}
206
207		level++;
208	<	if(!(mu->typeBits & kGlobal)) {
208	>	if(!(mu->IsGlobalMuon())) {
209		failmask |= (1<<level);
210		}
211
212		level++;
213	<	if(mu->nTkHits          < 10) {
213	>	if(mu->TrackerTrk()->NHits()  < 10) {
214		failmask |= (1<<level);
215		}
216
217
218		level++;
219	<	if( (mu->trkIso03/mu->pt) > 0.7 ) {
219	>	if( (mu->IsoR03SumPt()/mu->Pt()) > 0.7 ) {
220		failmask |= (1<<level);
221		}
222
#	Line 148 | Line 228 | SelectionStatus passMuonSelectionZZ( Con
228		//  if(fabs(muon->dz)       > 0.1)   return false;
229
230		SelectionStatus status;
231	<	if( !failmask ) status.setStatus(SelectionStatus::LOOSEID);
232	<	if( !failmask ) status.setStatus(SelectionStatus::TIGHTID);
231	>	if( !failmask ) status.orStatus(SelectionStatus::LOOSEID);
232	>	if( !failmask ) status.orStatus(SelectionStatus::TIGHTID);
233		return status;
234
235
#	Line 162 | Line 242 | SelectionStatus passMuonSelectionZZ( Con
242		//
243		// Kevin's WW selection
244		//
245	<	SelectionStatus passMuonSelection( ControlFlags &ctrl, const mithep::TMuon * mu ) {
245	>	//--------------------------------------------------------------------------------------------------
246	>	SelectionStatus passMuonSelection( ControlFlags &ctrl,
247	>	const mithep::Muon * mu,
248	>	const mithep::Vertex & vtx   )
249	>	//--------------------------------------------------------------------------------------------------
250	>	{
251	>	SelectionStatus status;
252		int level=0;
253		unsigned failmask=0x0;
254
255	+	// Use tracker track when available
256	+	const mithep::Track *muTrk=0;
257	+	if(mu->HasTrackerTrk())         { muTrk = mu->TrackerTrk(); }
258	+	else if(mu->HasGlobalTrk())     { muTrk = mu->GlobalTrk(); }
259	+	else if(mu->HasStandaloneTrk()) { muTrk = mu->StandaloneTrk(); }
260	+	assert(muTrk);
261	+
262	+
263
264		// 0x1
265	<	if(mu->pt < 5) {
265	>	if(muTrk->Pt() < 5) {
266		failmask |= (1<<level);
267		}
268
269		// 0x2
270		level++;
271	<	if(fabs(mu->eta) > 2.4) {
271	>	if(fabs(muTrk->Eta()) > 2.4) {
272		failmask |= (1<<level);
273		}
274
275		// 0x4
276		level++;
277	<	if(mu->ptErr/mu->pt > 0.1)   {
277	>	if(muTrk->PtErr()/muTrk->Pt() > 0.1)   {
278		failmask |= (1<<level);
279		}
280
281		// 0x8
282		level++;
283	<	if( fabs(mu->dz) > 0.1 )   {
283	>	if( fabs(muTrk->DzCorrected(vtx)) > 0.1 )   {
284		failmask |= (1<<level);
285		}
286
287	+	double muNchi2;
288	+	if(mu->HasStandaloneTrk())      { muNchi2 = mu->StandaloneTrk()->RChi2(); }
289	+	else if(mu->HasGlobalTrk())     { muNchi2 = mu->GlobalTrk()->RChi2();     }
290	+	else if(mu->HasTrackerTrk())    { muNchi2 = mu->TrackerTrk()->RChi2();    }
291
292	<	Bool_t isGlobal  = (mu->typeBits & kGlobal) && (mu->muNchi2 < 10) && (mu->nMatch > 1) && (mu->nValidHits > 0);
293	<	Bool_t isTracker = (mu->typeBits & kTracker) && (mu->qualityBits & kTMLastStationTight);
292	>	unsigned qualityBits = mu->Quality().QualityMask().Mask();
293	>
294	>	Bool_t isGlobal  = (mu->IsGlobalMuon()) && (muNchi2 < 10) && (mu->NMatches() > 1) && (mu->NValidHits() > 0);
295	>	Bool_t isTracker = (mu->IsTrackerMuon() ) && (qualityBits & muTools.kTMLastStationTight);
296
297		// 0x10
298		level++;
299	<	if(!isGlobal && !isTracker) {
299	>	if((!isGlobal && !isTracker) || !(mu->HasTrackerTrk())) {
300		failmask |= (1<<level);
301	+	status.setStatus(SelectionStatus::FAIL);
302	+	return status;
303		}
304
305		// 0x20
306		level++;
307	<	if( mu->nTkHits < 10 ) {
307	>	assert(mu->HasTrackerTrk());
308	>	assert(mu->TrackerTrk());
309	>	if( mu->TrackerTrk()->NHits() < 10 ) {
310		failmask |= (1<<level);
311		}
312
313		level++;
314	<	if(mu->nPixHits         < 1) {
314	>	if(muTrk->NPixelHits()          < 1) {
315		failmask |= (1<<level);
316		}
317
318
319		level++;
320	<	if(fabs(mu->d0)>0.02)   {
320	>	if(fabs(muTrk->D0Corrected(vtx))>0.02)   {
321		failmask |= (1<<level);
322		}
323
#	Line 229 | Line 333 | SelectionStatus passMuonSelection( Contr
333		}
334		*/
335
336	<	SelectionStatus status;
337	<	if( !failmask ) status.setStatus(SelectionStatus::LOOSEID);
234	<	if( !failmask ) status.setStatus(SelectionStatus::TIGHTID);
336	>	if( !failmask ) status.orStatus(SelectionStatus::LOOSEID);
337	>	if( !failmask ) status.orStatus(SelectionStatus::TIGHTID);
338		return status;
339
340
341		};
342
240	–	SelectionStatus passMuonSelectionBackDoor( ControlFlags &ctrl, const mithep::TMuon * mu ) {
241	–	int level=0;
242	–	unsigned failmask=0x0;
343
344	<	if(mu->pt < 5) {
345	<	failmask |= (1<<level);
346	<	}
344	>	//--------------------------------------------------------------------------------------------------
345	>	SelectionStatus muonIDMVASelection(ControlFlags &ctrl,
346	>	const mithep::Muon *mu,
347	>	const mithep::Vertex & vtx   )
348	>	//--------------------------------------------------------------------------------------------------
349	>	{
350	>	assert(mu->IsTrackerMuon()); // must be
351	>	assert(mu->HasTrackerTrk());
352	>	assert(mu->TrackerTrk());
353
354	<	level++;
355	<	if(fabs(mu->eta) > 2.5) {
356	<	failmask |= (1<<level);
357	<	}
354	>	/*
355	>	cerr << "TrackerTrk: " << mu->TrackerTrk() << endl;
356	>	flush(cerr);
357	>	cerr << "Rchi2: " << mu->TrackerTrk()->RChi2() << endl;
358	>	flush(cerr);
359
360	<	level++;
361	<	if(!(mu->typeBits & kGlobal) || !(mu->typeBits & kTracker)) {
362	<	failmask |= (1<<level);
256	<	}
360	>	cerr << "calling MVa ... "<< endl;
361	>	flush(cerr);
362	>	*/
363
364	<	level++;
365	<	if(mu->nTkHits          <= 10) {
366	<	failmask |= (1<<level);
364	>	double global_rchi2 = (mu->IsGlobalMuon()) ? mu->GlobalTrk()->RChi2() : 0.;
365	>
366	>	double mvaval = muIDMVA->MVAValue_ID(mu->Pt(),
367	>	mu->Eta(),
368	>	mu->IsGlobalMuon(),
369	>	mu->IsTrackerMuon(),
370	>	mu->TrackerTrk()->RChi2(),
371	>	global_rchi2,
372	>	(Double_t)(mu->NValidHits()),
373	>	(Double_t)(mu->TrackerTrk()->NHits()),
374	>	(Double_t)(mu->TrackerTrk()->NPixelHits()),
375	>	(Double_t)(mu->NMatches()),
376	>	mu->TrkKink(),
377	>	muTools.GetSegmentCompatability(mu),
378	>	muTools.GetCaloCompatability(mu,true,true),
379	>	mu->HadEnergy(),
380	>	mu->EmEnergy(),
381	>	mu->HadS9Energy(),
382	>	mu->EmS9Energy(),
383	>	(Bool_t)(ctrl.debug) );
384	>
385	>
386	>	SelectionStatus status;
387	>	bool pass = false;
388	>
389	>	if( mu->IsGlobalMuon() && mu->IsTrackerMuon()
390	>	&& fabs(mu->Eta()) <= 1.5 && mu->Pt() <= 10 && mvaval >= MUON_IDMVA_CUT_BIN0)  pass = true;
391	>	else if( mu->IsGlobalMuon() && mu->IsTrackerMuon()
392	>	&& fabs(mu->Eta()) <= 1.5 && mu->Pt() > 10 && mvaval >= MUON_IDMVA_CUT_BIN1)  pass = true;
393	>	else if( mu->IsGlobalMuon() && mu->IsTrackerMuon()
394	>	&& fabs(mu->Eta()) > 1.5 && mu->Pt() <= 10 && mvaval >= MUON_IDMVA_CUT_BIN2)  pass = true;
395	>	else if( mu->IsGlobalMuon() && mu->IsTrackerMuon()
396	>	&& fabs(mu->Eta()) > 1.5 && mu->Pt() > 10 && mvaval >= MUON_IDMVA_CUT_BIN3)  pass = true;
397	>	else if( !(mu->IsGlobalMuon()) && mu->IsTrackerMuon()
398	>	&& (mu->Quality().QualityMask().Mask() & mithep::MuonQuality::AllArbitrated) && mvaval >= MUON_IDMVA_CUT_BIN4)
399	>	pass = true;
400	>
401	>
402	>	if( pass ) {
403	>	status.orStatus(SelectionStatus::LOOSEID);
404	>	status.orStatus(SelectionStatus::TIGHTID);
405		}
406
407	<	level++;
408	<	if(mu->ip3dSig > 4) {
409	<	failmask |= (1<<level);
410	<	}
411	<
412	<	level++;
413	<	if(mu->muNchi2          >= 10)  {
414	<	failmask |= (1<<level);
415	<	}
416	<
417	<	level++;
418	<	if(mu->nValidHits       < 1)   {
419	<	failmask |= (1<<level);
420	<	}
421	<
422	<	level++;
423	<	if(mu->nMatch   < 2)   {
424	<	failmask |= (1<<level);
425	<	}
407	>	return status;
408	>	}
409	>
410	>	//--------------------------------------------------------------------------------------------------
411	>	void initMuonIDMVA()
412	>	//--------------------------------------------------------------------------------------------------
413	>	{
414	>	muIDMVA = new mithep::MuonIDMVA();
415	>	vector<string> weightFiles;
416	>	weightFiles.push_back("./data/MuonIDMVAWeights/MuonIDMVA_BDTG_barrel_lowpt_V2.weights.xml");
417	>	weightFiles.push_back("./data/MuonIDMVAWeights/MuonIDMVA_BDTG_barrel_highpt_V2.weights.xml");
418	>	weightFiles.push_back("./data/MuonIDMVAWeights/MuonIDMVA_BDTG_endcap_lowpt_V2.weights.xml");
419	>	weightFiles.push_back("./data/MuonIDMVAWeights/MuonIDMVA_BDTG_endcap_highpt_V2.weights.xml");
420	>	weightFiles.push_back("./data/MuonIDMVAWeights/MuonIDMVA_BDTG_tracker_V2.weights.xml");
421	>	weightFiles.push_back("./data/MuonIDMVAWeights/MuonIDMVA_BDTG_global_V2.weights.xml");
422	>	muIDMVA->Initialize( "MuonIDMVA",
423	>	mithep::MuonIDMVA::kIDV0,
424	>	kTRUE, weightFiles);
425	>	}
426	>
427	>	//--------------------------------------------------------------------------------------------------
428	>	SelectionStatus muonIDPFSelection(ControlFlags &ctrl,
429	>	const mithep::Muon *mu,
430	>	const mithep::Vertex & vtx,
431	>	const mithep::Array<mithep::PFCandidate> * pfCandidates )
432	>	//--------------------------------------------------------------------------------------------------
433	>	{
434	>	bool pass = false;
435	>	SelectionStatus status; // init'ed to FAIL
436
437	<	SelectionStatus status;
438	<
285	<	if( !failmask ) status.setStatus(SelectionStatus::LOOSEID);
286	<	if( !failmask ) status.setStatus(SelectionStatus::TIGHTID);
287	<
288	<	return status;
437	>	// check that muon is tracker
438	>	if( !(mu->IsTrackerMuon()) )   return status;
439
440	<	};
440	>	// check that it matches to a PF muon
441	>	for( int i=0; i<pfCandidates->GetEntries(); i++ ) {
442	>	const mithep::PFCandidate *pf = (mithep::PFCandidate*)((*pfCandidates)[i]);
443	>	if( pf->HasTrackerTrk() ) {
444	>	if( pf->TrackerTrk() == mu->TrackerTrk() && abs(pf->PFType()) == mithep::PFCandidate::eMuon ) {
445	>	pass = true;
446	>	break;
447	>	}
448	>	}
449	>	}
450	>
451	>	if( pass ) {
452	>	status.orStatus(SelectionStatus::LOOSEID);
453	>	status.orStatus(SelectionStatus::TIGHTID);
454	>	}
455	>
456	>	return status;
457	>	}

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