|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
/** \class HLTMuonL3PreFilter
*
* See header file for documentation
*
* \author J-R Vlimant
*
*/
#include "HLTMuonL1toL3TkPreFilter.h"
#include "DataFormats/Common/interface/Handle.h"
#include "DataFormats/Common/interface/RefToBase.h"
#include "DataFormats/HLTReco/interface/TriggerFilterObjectWithRefs.h"
#include "DataFormats/HLTReco/interface/TriggerRefsCollections.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "DataFormats/TrackReco/interface/Track.h"
#include "DataFormats/RecoCandidate/interface/RecoChargedCandidate.h"
#include "DataFormats/RecoCandidate/interface/RecoChargedCandidateFwd.h"
#include "DataFormats/MuonReco/interface/MuonTrackLinks.h"
#include "DataFormats/BeamSpot/interface/BeamSpot.h"
#include "DataFormats/MuonSeed/interface/L3MuonTrajectorySeed.h"
#include "DataFormats/MuonSeed/interface/L3MuonTrajectorySeedCollection.h"
#include "FWCore/ParameterSet/interface/ConfigurationDescriptions.h"
//
// constructors and destructor
//
using namespace std;
using namespace edm;
using namespace reco;
using namespace trigger;
HLTMuonL1toL3TkPreFilter::HLTMuonL1toL3TkPreFilter(const ParameterSet& iConfig)
: HLTFilter(iConfig),
beamspotTag_(iConfig.getParameter<edm::InputTag>("BeamSpotTag")),
beamspotToken_(consumes<reco::BeamSpot>(beamspotTag_)),
candTag_(iConfig.getParameter<InputTag>("CandTag")),
candToken_(consumes<reco::RecoChargedCandidateCollection>(candTag_)),
previousCandTag_(iConfig.getParameter<InputTag>("PreviousCandTag")),
previousCandToken_(consumes<trigger::TriggerFilterObjectWithRefs>(previousCandTag_)),
min_N_(iConfig.getParameter<int>("MinN")),
max_Eta_(iConfig.getParameter<double>("MaxEta")),
min_Nhits_(iConfig.getParameter<int>("MinNhits")),
max_Dr_(iConfig.getParameter<double>("MaxDr")),
max_Dz_(iConfig.getParameter<double>("MaxDz")),
min_Pt_(iConfig.getParameter<double>("MinPt")),
nsigma_Pt_(iConfig.getParameter<double>("NSigmaPt")) {
LogDebug("HLTMuonL1toL3TkPreFilter") << " CandTag/MinN/MaxEta/MinNhits/MaxDr/MaxDz/MinPt/NSigmaPt : "
<< candTag_.encode() << " " << min_N_ << " " << max_Eta_ << " " << min_Nhits_
<< " " << max_Dr_ << " " << max_Dz_ << " " << min_Pt_ << " " << nsigma_Pt_;
//register your products
produces<TriggerFilterObjectWithRefs>();
}
HLTMuonL1toL3TkPreFilter::~HLTMuonL1toL3TkPreFilter() = default;
//
// member functions
//
void HLTMuonL1toL3TkPreFilter::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
edm::ParameterSetDescription desc;
makeHLTFilterDescription(desc);
desc.add<edm::InputTag>("BeamSpotTag", edm::InputTag("hltBeamSpotTag"));
desc.add<edm::InputTag>("CandTag", edm::InputTag("hltCandTag"));
desc.add<edm::InputTag>("PreviousCandTag", edm::InputTag("hltPreviousCandTag"));
desc.add<int>("MinN", 0);
desc.add<double>("MaxEta", 9999.0);
desc.add<int>("MinNhits", 0);
desc.add<double>("MaxDr", 9999.0);
desc.add<double>("MaxDz", 9999.0);
desc.add<double>("MinPt", 0.0);
desc.add<double>("NSigmaPt", 9999.0);
descriptions.add("hltMuonL1toL3TkPreFilter", desc);
}
// ------------ method called to produce the data ------------
bool HLTMuonL1toL3TkPreFilter::hltFilter(Event& iEvent,
const EventSetup& iSetup,
trigger::TriggerFilterObjectWithRefs& filterproduct) const {
// All HLT filters must create and fill an HLT filter object,
// recording any reconstructed physics objects satisfying (or not)
// this HLT filter, and place it in the Event.
// get hold of trks
Handle<RecoChargedCandidateCollection> mucands;
iEvent.getByToken(candToken_, mucands);
if (saveTags())
filterproduct.addCollectionTag(candTag_);
// sort them by L2Track
std::map<l1extra::L1MuonParticleRef, std::vector<RecoChargedCandidateRef> > L1toL3s;
unsigned int n = 0;
unsigned int maxN = mucands->size();
for (; n != maxN; n++) {
TrackRef tk = (*mucands)[n].track();
edm::Ref<L3MuonTrajectorySeedCollection> l3seedRef =
tk->seedRef().castTo<edm::Ref<L3MuonTrajectorySeedCollection> >();
l1extra::L1MuonParticleRef l1mu = l3seedRef->l1Particle();
L1toL3s[l1mu].push_back(RecoChargedCandidateRef(mucands, n));
}
// additionnal objects needed
Handle<TriggerFilterObjectWithRefs> previousLevelCands;
iEvent.getByToken(previousCandToken_, previousLevelCands);
BeamSpot beamSpot;
Handle<BeamSpot> recoBeamSpotHandle;
iEvent.getByToken(beamspotToken_, recoBeamSpotHandle);
beamSpot = *recoBeamSpotHandle;
//needed to compare to L1
vector<l1extra::L1MuonParticleRef> vl1cands;
previousLevelCands->getObjects(TriggerL1Mu, vl1cands);
auto L1toL3s_it = L1toL3s.begin();
auto L1toL3s_end = L1toL3s.end();
for (; L1toL3s_it != L1toL3s_end; ++L1toL3s_it) {
if (!triggeredAtL1(L1toL3s_it->first, vl1cands))
continue;
//loop over the L3Tk reconstructed for this L1.
unsigned int iTk = 0;
unsigned int maxItk = L1toL3s_it->second.size();
for (; iTk != maxItk; iTk++) {
RecoChargedCandidateRef& cand = L1toL3s_it->second[iTk];
TrackRef tk = cand->track();
if (fabs(tk->eta()) > max_Eta_)
continue;
// cut on number of hits
if (tk->numberOfValidHits() < min_Nhits_)
continue;
//dr cut
//if (fabs(tk->d0())>max_Dr_) continue;
if (fabs(tk->dxy(beamSpot.position())) > max_Dr_)
continue;
//dz cut
if (fabs(tk->dz()) > max_Dz_)
continue;
// Pt threshold cut
double pt = tk->pt();
double err0 = tk->error(0);
double abspar0 = fabs(tk->parameter(0));
double ptLx = pt;
// convert 50% efficiency threshold to 90% efficiency threshold
if (abspar0 > 0)
ptLx += nsigma_Pt_ * err0 / abspar0 * pt;
LogTrace("HLTMuonL1toL3TkPreFilter") << " ...Muon in loop, pt= " << pt << ", ptLx= " << ptLx;
if (ptLx < min_Pt_)
continue;
//one good L3Tk
filterproduct.addObject(TriggerMuon, cand);
break; // and go on with the next L1 association
}
} //loop over L1s from L3 grouping
vector<RecoChargedCandidateRef> vref;
filterproduct.getObjects(TriggerMuon, vref);
for (auto& i : vref) {
TrackRef tk = i->track();
LogDebug("HLTMuonL1toL3TkPreFilter") << " Track passing filter: pt= " << tk->pt() << ", eta: " << tk->eta();
}
// filter decision
const bool accept((int)n >= min_N_);
LogDebug("HLTMuonL1toL3TkPreFilter") << " >>>>> Result of HLTMuonL1toL3TkPreFilter is " << accept
<< ", number of muons passing thresholds= " << n;
return accept;
}
bool HLTMuonL1toL3TkPreFilter::triggeredAtL1(const l1extra::L1MuonParticleRef& l1mu,
std::vector<l1extra::L1MuonParticleRef>& vcands) const {
bool ok = false;
// compare to previously triggered L1
for (auto& vcand : vcands) {
// l1extra::L1MuonParticleRef candref = L1MuonParticleRef(vcands[i]);
if (vcand == l1mu) {
ok = true;
LogDebug("HLTMuonL1toL3TkPreFilter") << "The L1 mu triggered";
break;
}
}
return ok;
}
// declare this class as a framework plugin
#include "FWCore/Framework/interface/MakerMacros.h"
DEFINE_FWK_MODULE(HLTMuonL1toL3TkPreFilter);
|