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InvariantMassDeltaPhiInclusive2Charge.cxx
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1 /*
2  Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
3 */
4 /*********************************
5  * InvariantMassDeltaPhiInclusive2Charge.cxx
6  * Based on V Sorin 2014 implementation of InvariantMassInclusive2. For questions contact atlas-trig-l1topo-algcom@cern.ch.
7  *
8  * @brief algorithm calculates the sqr of the INVMASS between two lists and applies invmass criteria. For pairs passing the INVMASS cut a further requirement based on DeltaPhi
9  * is applied, addressing ATR-19377.
10  * Events containing a pair of TGC muons with same charge are rejected
11  *
12 **********************************/
13 // TO DO size of the input list to be possbly refined
14 
15 #include "L1TopoAlgorithms/InvariantMassDeltaPhiInclusive2Charge.h"
16 #include "L1TopoCommon/Exception.h"
17 #include "L1TopoInterfaces/Decision.h"
18 #include "L1TopoSimulationUtils/Helpers.h"
19 
20 #include <cmath>
21 
22 REGISTER_ALG_TCS(InvariantMassDeltaPhiInclusive2Charge)
23 
24 
25 TCS::InvariantMassDeltaPhiInclusive2Charge::InvariantMassDeltaPhiInclusive2Charge(const std::string & name) : DecisionAlg(name)
26 {
27  defineParameter("InputWidth1", 9);
28  defineParameter("InputWidth2", 9);
29  defineParameter("MaxTob1", 0);
30  defineParameter("MaxTob2", 0);
31  defineParameter("NumResultBits", 6);
32  defineParameter("MinMSqr", 0, 0);
33  defineParameter("MaxMSqr", 999, 0);
34  defineParameter("MinMSqr", 0, 1);
35  defineParameter("MaxMSqr", 999, 1);
36  defineParameter("MinMSqr", 0, 2);
37  defineParameter("MaxMSqr", 999, 2);
38  defineParameter("MinMSqr", 0, 3);
39  defineParameter("MaxMSqr", 999, 3);
40  defineParameter("MinMSqr", 0, 4);
41  defineParameter("MaxMSqr", 999, 4);
42  defineParameter("MinMSqr", 0, 5);
43  defineParameter("MaxMSqr", 999, 5);
44  defineParameter("MinET1",0,0);
45  defineParameter("MinET2",0,0);
46  defineParameter("MinET1",0,1);
47  defineParameter("MinET2",0,1);
48  defineParameter("MinET1",0,2);
49  defineParameter("MinET2",0,2);
50  defineParameter("MinET1",0,3);
51  defineParameter("MinET2",0,3);
52  defineParameter("MinET1",0,4);
53  defineParameter("MinET2",0,4);
54  defineParameter("MinET1",0,5);
55  defineParameter("MinET2",0,5);
56  defineParameter("ApplyEtaCut", 0);
57  defineParameter("MinEta1", 0);
58  defineParameter("MaxEta1", 31);
59  defineParameter("MinEta2", 0);
60  defineParameter("MaxEta2", 31);
61  defineParameter("MinDeltaPhi", 0, 0);
62  defineParameter("MaxDeltaPhi", 31, 0);
63  defineParameter("MinDeltaPhi", 0, 1);
64  defineParameter("MaxDeltaPhi", 31, 1);
65  defineParameter("MinDeltaPhi", 0, 2);
66  defineParameter("MaxDeltaPhi", 31, 2);
67  defineParameter("MinDeltaPhi", 0, 3);
68  defineParameter("MaxDeltaPhi", 31, 3);
69  defineParameter("MinDeltaPhi", 0, 4);
70  defineParameter("MaxDeltaPhi", 31, 4);
71  defineParameter("MinDeltaPhi", 0, 5);
72  defineParameter("MaxDeltaPhi", 31, 5);
73  //does this need to change?
74  setNumberOutputBits(6);
75 }
76 
77 TCS::InvariantMassDeltaPhiInclusive2Charge::~InvariantMassDeltaPhiInclusive2Charge(){}
78 
79 
80 TCS::StatusCode
81 TCS::InvariantMassDeltaPhiInclusive2Charge::initialize() {
82  p_NumberLeading1 = parameter("InputWidth1").value();
83  p_NumberLeading2 = parameter("InputWidth2").value();
84  if(parameter("MaxTob1").value() > 0) p_NumberLeading1 = parameter("MaxTob1").value();
85  if(parameter("MaxTob2").value() > 0) p_NumberLeading2 = parameter("MaxTob2").value();
86 
87  for(unsigned int i=0; i<numberOutputBits(); ++i) {
88  p_InvMassMin[i] = parameter("MinMSqr", i).value();
89  p_InvMassMax[i] = parameter("MaxMSqr", i).value();
90  p_DeltaPhiMin[i] = parameter("MinDeltaPhi", i).value();
91  p_DeltaPhiMax[i] = parameter("MaxDeltaPhi", i).value();
92  p_MinET1[i] = parameter("MinET1",i).value();
93  p_MinET2[i] = parameter("MinET2",i).value();
94  }
95 
96  TRG_MSG_INFO("NumberLeading1 : " << p_NumberLeading1);
97  TRG_MSG_INFO("NumberLeading2 : " << p_NumberLeading2);
98  for(unsigned int i=0; i<numberOutputBits(); ++i) {
99  TRG_MSG_INFO("InvMassMin : " << p_InvMassMin[i]);
100  TRG_MSG_INFO("InvMassMax : " << p_InvMassMax[i]);
101  TRG_MSG_INFO("DeltaPhiMin : " << p_DeltaPhiMin[i]);
102  TRG_MSG_INFO("DeltaPhiMax : " << p_DeltaPhiMax[i]);
103  TRG_MSG_INFO("MinET1 : " << p_MinET1[i]);
104  TRG_MSG_INFO("MinET2 : " << p_MinET2[i]);
105  }
106 
107  p_ApplyEtaCut = parameter("ApplyEtaCut").value();
108  p_MinEta1 = parameter("MinEta1" ).value();
109  p_MaxEta1 = parameter("MaxEta1" ).value();
110  p_MinEta2 = parameter("MinEta2" ).value();
111  p_MaxEta2 = parameter("MaxEta2" ).value();
112  TRG_MSG_INFO("ApplyEtaCut : "<<p_ApplyEtaCut );
113  TRG_MSG_INFO("MinEta1 : "<<p_MinEta1 );
114  TRG_MSG_INFO("MaxEta1 : "<<p_MaxEta1 );
115  TRG_MSG_INFO("MinEta2 : "<<p_MinEta2 );
116  TRG_MSG_INFO("MaxEta2 : "<<p_MaxEta2 );
117 
118  TRG_MSG_INFO("number output : " << numberOutputBits());
119 
120  // book histograms
121  for(unsigned int i=0; i<numberOutputBits(); ++i) {
122  std::string hname_accept = "hInvariantMassDeltaPhiInclusive2Charge_accept_bit"+std::to_string(static_cast<int>(i));
123  std::string hname_reject = "hInvariantMassDeltaPhiInclusive2Charge_reject_bit"+std::to_string(static_cast<int>(i));
124  // mass
125  bookHist(m_histAcceptM, hname_accept, "INVM vs DPHI", 100, std::sqrt(p_InvMassMin[i]), std::sqrt(p_InvMassMax[i]), 100, p_DeltaPhiMin[i], p_DeltaPhiMax[i]);
126  bookHist(m_histRejectM, hname_reject, "INVM vs DPHI", 100, std::sqrt(p_InvMassMin[i]), std::sqrt(p_InvMassMax[i]), 100, p_DeltaPhiMin[i], p_DeltaPhiMax[i]);
127  // eta2 vs. eta1
128  bookHist(m_histAcceptEta1Eta2, hname_accept, "ETA vs ETA", 100, p_MinEta1, p_MaxEta1, 100, p_MinEta2, p_MaxEta2);
129  bookHist(m_histRejectEta1Eta2, hname_reject, "ETA vs ETA", 100, p_MinEta1, p_MaxEta1, 100, p_MinEta2, p_MaxEta2);
130  }
131  return StatusCode::SUCCESS;
132 }
133 
134 
135 
136 TCS::StatusCode
137 TCS::InvariantMassDeltaPhiInclusive2Charge::processBitCorrect( const std::vector<TCS::TOBArray const *> & input,
138  const std::vector<TCS::TOBArray *> & output,
139  Decision & decision )
140 {
141 
142  if( input.size() == 2) {
143  for( TOBArray::const_iterator tob1 = input[0]->begin();
144  tob1 != input[0]->end() && distance(input[0]->begin(), tob1) < p_NumberLeading1;
145  ++tob1)
146  {
147 
148 
149  for( TCS::TOBArray::const_iterator tob2 = input[1]->begin();
150  tob2 != input[1]->end() && distance(input[1]->begin(), tob2) < p_NumberLeading2;
151  ++tob2) {
152  // Inv Mass calculation
153  unsigned int invmass2 = calcInvMassBW( *tob1, *tob2 );
154  // test DeltaPhiMin, DeltaPhiMax
155  unsigned int deltaPhi = calcDeltaPhiBW( *tob1, *tob2 );
156  const int eta1 = (*tob1)->eta();
157  const int eta2 = (*tob2)->eta();
158  const unsigned int aeta1 = std::abs(eta1);
159  const unsigned int aeta2 = std::abs(eta2);
160  // Charge cut ( 1 = positive, -1 = negative, 0 = undefined (RPC) )
161  int charge1 = (*tob1)->charge();
162  int charge2 = (*tob2)->charge();
163  int totalCharge = charge1 + charge2;
164  bool acceptCharge = true;
165  if ( std::abs(totalCharge) == 2 ) { acceptCharge = false; }
166  for(unsigned int i=0; i<numberOutputBits(); ++i) {
167  bool accept = false;
168  if( static_cast<parType_t>((*tob1)->Et()) <= p_MinET1[i]) continue; // ET cut
169  if( static_cast<parType_t>((*tob2)->Et()) <= p_MinET2[i]) continue; // ET cut
170  if(p_ApplyEtaCut &&
171  ((aeta1 < p_MinEta1 || aeta1 > p_MaxEta1 ) ||
172  (aeta2 < p_MinEta2 || aeta2 > p_MaxEta2 ) )) continue;
173  accept = invmass2 >= p_InvMassMin[i] && invmass2 <= p_InvMassMax[i] && deltaPhi >= p_DeltaPhiMin[i] && deltaPhi <= p_DeltaPhiMax[i] && acceptCharge;
174  const bool fillAccept = fillHistos() and (fillHistosBasedOnHardware() ? getDecisionHardwareBit(i) : accept);
175  const bool fillReject = fillHistos() and not fillAccept;
176  const bool alreadyFilled = decision.bit(i);
177  if( accept ) {
178  decision.setBit(i, true);
179  output[i]->push_back( TCS::CompositeTOB(*tob1, *tob2) );
180  }
181  if(fillAccept and not alreadyFilled) {
182  fillHist2D(m_histAcceptM[i],std::sqrt(static_cast<float>(invmass2)),static_cast<float>(deltaPhi));
183  fillHist2D(m_histAcceptEta1Eta2[i],eta1, eta2);
184  } else if(fillReject) {
185  fillHist2D(m_histRejectM[i],std::sqrt(static_cast<float>(invmass2)),static_cast<float>(deltaPhi));
186  fillHist2D(m_histRejectEta1Eta2[i],eta1, eta2);
187  }
188  TRG_MSG_DEBUG("Decision " << i << ": " << (accept?"pass":"fail") << " invmass2 = " << invmass2);
189  }
190  }
191  }
192  for (unsigned int i=0; i < numberOutputBits(); ++i) {
193  bool hasAmbiguousInputs = TSU::isAmbiguousTruncation(input[0], p_NumberLeading1, p_MinET1[i])
194  || TSU::isAmbiguousTruncation(input[1], p_NumberLeading2, p_MinET2[i]);
195  output[i]->setAmbiguityFlag(hasAmbiguousInputs);
196  }
197  } else {
198 
199  TCS_EXCEPTION("InvariantMassDeltaPhiInclusive2Charge alg must have 2 inputs, but got " << input.size());
200 
201  }
202  return TCS::StatusCode::SUCCESS;
203 
204 }
205 
206 TCS::StatusCode
207 TCS::InvariantMassDeltaPhiInclusive2Charge::process( const std::vector<TCS::TOBArray const *> & input,
208  const std::vector<TCS::TOBArray *> & output,
209  Decision & decision )
210 {
211 
212 
213  if( input.size() == 2) {
214  for( TOBArray::const_iterator tob1 = input[0]->begin();
215  tob1 != input[0]->end() && distance(input[0]->begin(), tob1) < p_NumberLeading1;
216  ++tob1)
217  {
218  for( TCS::TOBArray::const_iterator tob2 = input[1]->begin();
219  tob2 != input[1]->end() && distance(input[1]->begin(), tob2) < p_NumberLeading2;
220  ++tob2) {
221  // Inv Mass calculation
222  unsigned int invmass2 = calcInvMass( *tob1, *tob2 );
223  // test DeltaPhiMin, DeltaPhiMax
224  unsigned int deltaPhi = calcDeltaPhi( *tob1, *tob2 );
225  const int eta1 = (*tob1)->eta();
226  const int eta2 = (*tob2)->eta();
227  const unsigned int aeta1 = std::abs(eta1);
228  const unsigned int aeta2 = std::abs(eta2);
229  // Charge cut ( 1 = positive, -1 = negative, 0 = undefined (RPC) )
230  int charge1 = (*tob1)->charge();
231  int charge2 = (*tob2)->charge();
232  int totalCharge = charge1 + charge2;
233  bool acceptCharge = true;
234  if ( std::abs(totalCharge) == 2 ) { acceptCharge = true; }
235  for(unsigned int i=0; i<numberOutputBits(); ++i) {
236  if( static_cast<parType_t>((*tob1)->Et()) <= p_MinET1[i]) continue; // ET cut
237  if( static_cast<parType_t>((*tob2)->Et()) <= p_MinET2[i]) continue; // ET cut
238  if(p_ApplyEtaCut &&
239  ((aeta1 < p_MinEta1 || aeta1 > p_MaxEta1 ) ||
240  (aeta2 < p_MinEta2 || aeta2 > p_MaxEta2 ) )) continue;
241  bool accept = invmass2 >= p_InvMassMin[i] && invmass2 <= p_InvMassMax[i] && deltaPhi >= p_DeltaPhiMin[i] && deltaPhi <= p_DeltaPhiMax[i] && acceptCharge;
242  const bool fillAccept = fillHistos() and (fillHistosBasedOnHardware() ? getDecisionHardwareBit(i) : accept);
243  const bool fillReject = fillHistos() and not fillAccept;
244  const bool alreadyFilled = decision.bit(i);
245  if( accept ) {
246  decision.setBit(i, true);
247  output[i]->push_back( TCS::CompositeTOB(*tob1, *tob2) );
248  }
249  if(fillAccept and not alreadyFilled) {
250  fillHist2D(m_histAcceptM[i],std::sqrt(static_cast<float>(invmass2)),static_cast<float>(deltaPhi));
251  fillHist2D(m_histAcceptEta1Eta2[i],eta1, eta2);
252  } else if(fillReject) {
253  fillHist2D(m_histRejectM[i],std::sqrt(static_cast<float>(invmass2)),static_cast<float>(deltaPhi));
254  fillHist2D(m_histRejectEta1Eta2[i],eta1, eta2);
255  }
256  TRG_MSG_DEBUG("Decision " << i << ": " << (accept ?"pass":"fail") << " invmass2 = " << invmass2);
257  }
258  }
259  }
260  } else {
261  TCS_EXCEPTION("InvariantMassDeltaPhiInclusive2Charge alg must have 2 inputs, but got " << input.size());
262  }
263  return TCS::StatusCode::SUCCESS;
264 }
TCS::InvariantMassDeltaPhiInclusive2Charge::~InvariantMassDeltaPhiInclusive2Charge
virtual ~InvariantMassDeltaPhiInclusive2Charge()
Definition: InvariantMassDeltaPhiInclusive2Charge.cxx:77
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InvariantMassDeltaPhiInclusive2Charge.h
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