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InvariantMassThreeTOBsIncl1Charge.cxx
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1 /*
2  Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
3 */
4 /*********************************
5  * InvariantMassThreeTOBsIncl1Charge.cxx
6  * Created by Paula Martinez based on InvariantMassInclusive1 by V Sorin
7  *
8  * For questions contact atlas-trig-l1topo-algcom@cern.ch.
9  * @brief Algorithm calculates the sqr of the INVMASS of three TOBs from one list and applies invmass criteria.
10  * Events containing 3 TGC muons with same charge are rejected
11  *
12  * @param NumberLeading
13  *
14  * First version assuming same cuts in all TOBs.
15 **********************************/
16 
17 // TO DO size of the input list to be possibly refined
18 
19 #include <cmath>
20 #include <string>
21 #include <iostream>
22 #include <sstream>
23 #include <vector>
24 
25 #include "L1TopoAlgorithms/InvariantMassThreeTOBsIncl1Charge.h"
26 #include "L1TopoCommon/Exception.h"
27 #include "L1TopoInterfaces/Decision.h"
28 #include "L1TopoSimulationUtils/Helpers.h"
29 
30 REGISTER_ALG_TCS(InvariantMassThreeTOBsIncl1Charge)
31 
32 
33 TCS::InvariantMassThreeTOBsIncl1Charge::InvariantMassThreeTOBsIncl1Charge(const std::string & name) : DecisionAlg(name)
34 {
35  defineParameter("InputWidth", 3);
36  defineParameter("MaxTob", 0);
37  defineParameter("NumResultBits", 6);
38  defineParameter("RequireOneBarrel", 0);
39  defineParameter("MinMSqr", 0, 0);
40  defineParameter("MaxMSqr", 999, 0);
41  defineParameter("MinMSqr", 0, 1);
42  defineParameter("MaxMSqr", 999, 1);
43  defineParameter("MinMSqr", 0, 2);
44  defineParameter("MaxMSqr", 999, 2);
45  defineParameter("MinMSqr", 0, 3);
46  defineParameter("MaxMSqr", 999, 3);
47  defineParameter("MinMSqr", 0, 4);
48  defineParameter("MaxMSqr", 999, 4);
49  defineParameter("MinMSqr", 0, 5);
50  defineParameter("MaxMSqr", 999, 5);
51  defineParameter("MinET1",0,0);
52  defineParameter("MinET1",0,1);
53  defineParameter("MinET1",0,2);
54  defineParameter("MinET1",0,3);
55  defineParameter("MinET1",0,4);
56  defineParameter("MinET1",0,5);
57 
58  setNumberOutputBits(6);
59 }
60 
61 TCS::InvariantMassThreeTOBsIncl1Charge::~InvariantMassThreeTOBsIncl1Charge(){}
62 
63 
64 TCS::StatusCode
65 TCS::InvariantMassThreeTOBsIncl1Charge::initialize() {
66  if(parameter("MaxTob").value() > 0) {
67  p_NumberLeading1 = parameter("MaxTob").value();
68  } else {
69  p_NumberLeading1 = parameter("InputWidth").value();
70  }
71 
72  p_OneBarrel = parameter("RequireOneBarrel").value();
73 
74  for(unsigned int i=0; i<numberOutputBits(); ++i) {
75  p_InvMassMin[i] = parameter("MinMSqr", i).value();
76  p_InvMassMax[i] = parameter("MaxMSqr", i).value();
77 
78  p_MinET1[i] = parameter("MinET1",i).value();
79  }
80  TRG_MSG_INFO("NumberLeading1 : " << p_NumberLeading1);
81  TRG_MSG_INFO("RequireOneBarrel : " << p_OneBarrel);
82  for(unsigned int i=0; i<numberOutputBits(); ++i) {
83  TRG_MSG_INFO("InvMassMin : " << p_InvMassMin[i]);
84  TRG_MSG_INFO("InvMassMax : " << p_InvMassMax[i]);
85 
86  TRG_MSG_INFO("MinET1 : " << p_MinET1[i]);
87  }
88  TRG_MSG_INFO("number output : " << numberOutputBits());
89 
90  // book histograms
91  for(unsigned int i=0; i<numberOutputBits(); ++i) {
92  std::string hname_accept = "hInvariantMassThreeTOBsIncl1Charge_accept_bit"+std::to_string(static_cast<int>(i));
93  std::string hname_reject = "hInvariantMassThreeTOBsIncl1Charge_reject_bit"+std::to_string(static_cast<int>(i));
94  std::string hname_acceptEta1Eta2 = "hInvariantMassThreeTOBsIncl1Charge_acceptEta1Eta2_bit"+std::to_string(static_cast<int>(i));
95  std::string hname_rejectEta1Eta2 = "hInvariantMassThreeTOBsIncl1Charge_rejectEta1Eta2_bit"+std::to_string(static_cast<int>(i));
96  std::string hname_acceptEta2Eta3 = "hInvariantMassThreeTOBsIncl1Charge_acceptEta2Eta3_bit"+std::to_string(static_cast<int>(i));
97  std::string hname_rejectEta2Eta3 = "hInvariantMassThreeTOBsIncl1Charge_rejectEta2Eta3_bit"+std::to_string(static_cast<int>(i));
98  std::string hname_acceptEta3Eta1 = "hInvariantMassThreeTOBsIncl1Charge_acceptEta3Eta1_bit"+std::to_string(static_cast<int>(i));
99  std::string hname_rejectEta3Eta1 = "hInvariantMassThreeTOBsIncl1Charge_rejectEta3Eta1_bit"+std::to_string(static_cast<int>(i));
100  // mass
101  bookHist(m_histAccept, hname_accept, "INVM", 100, std::sqrt(p_InvMassMin[i]), std::sqrt(p_InvMassMax[i]));
102  bookHist(m_histReject, hname_reject, "INVM", 100, std::sqrt(p_InvMassMin[i]), std::sqrt(p_InvMassMax[i]));
103  // eta vs eta
104  bookHist(m_histAcceptEta1Eta2, hname_acceptEta1Eta2, "ETA vs ETA", 100, -70, 70, 100, -70, 70);
105  bookHist(m_histRejectEta1Eta2, hname_rejectEta1Eta2, "ETA vs ETA", 100, -70, 70, 100, -70, 70);
106  bookHist(m_histAcceptEta2Eta3, hname_acceptEta2Eta3, "ETA vs ETA", 100, -70, 70, 100, -70, 70);
107  bookHist(m_histRejectEta2Eta3, hname_rejectEta2Eta3, "ETA vs ETA", 100, -70, 70, 100, -70, 70);
108  bookHist(m_histAcceptEta3Eta1, hname_acceptEta3Eta1, "ETA vs ETA", 100, -70, 70, 100, -70, 70);
109  bookHist(m_histRejectEta3Eta1, hname_rejectEta3Eta1, "ETA vs ETA", 100, -70, 70, 100, -70, 70);
110  }
111 
112 
113 
114  return StatusCode::SUCCESS;
115 }
116 
117 
118 
119 TCS::StatusCode
120 TCS::InvariantMassThreeTOBsIncl1Charge::processBitCorrect( const std::vector<TCS::TOBArray const *> & input,
121  const std::vector<TCS::TOBArray *> & output,
122  Decision & decision )
123 {
124 
125  if(input.size() == 1) {
126 
127  for( TCS::TOBArray::const_iterator tob1 = input[0]->begin();
128  tob1 != input[0]->end() && distance( input[0]->begin(), tob1) < p_NumberLeading1;
129  ++tob1) {
130 
131  TCS::TOBArray::const_iterator tob2 = tob1; ++tob2;
132  for( ;
133  tob2 != input[0]->end() && distance( input[0]->begin(), tob2) < p_NumberLeading1;
134  ++tob2) {
135 
136  TCS::TOBArray::const_iterator tob3 = tob2; ++tob3;
137  for( ;
138  tob3 != input[0]->end() && distance( input[0]->begin(), tob3) < p_NumberLeading1;
139  ++tob3) {
140 
141  // OneBarrel
142  if (p_OneBarrel && static_cast<parType_t>(std::abs((*tob1)->eta())) > 10 && static_cast<parType_t>(std::abs((*tob2)->eta())) > 10 && static_cast<parType_t>(std::abs((*tob3)->eta())) > 10 ) continue;
143 
144  // Inv Mass calculation
145  unsigned int invmass2_12 = calcInvMassBW( *tob1, *tob2 );
146  unsigned int invmass2_13 = calcInvMassBW( *tob1, *tob3 );
147  unsigned int invmass2_23 = calcInvMassBW( *tob2, *tob3 );
148  unsigned int invmass2 = invmass2_12 + invmass2_13 + invmass2_23;
149  // Charge cut ( 1 = positive, -1 = negative, 0 = undefined (RPC) )
150  int charge1 = (*tob1)->charge();
151  int charge2 = (*tob2)->charge();
152  int charge3 = (*tob3)->charge();
153  int totalCharge = charge1 + charge2 + charge3;
154  bool acceptCharge = true;
155  if ( std::abs(totalCharge) == 3 ) { acceptCharge = false; }
156  for(unsigned int i=0; i<numberOutputBits(); ++i) {
157  bool accept = false;
158  if( static_cast<parType_t>((*tob1)->Et()) <= p_MinET1[i]) continue; // ET cut
159  if( static_cast<parType_t>((*tob2)->Et()) <= p_MinET1[i]) continue; // ET cut
160  if( static_cast<parType_t>((*tob3)->Et()) <= p_MinET1[i]) continue; // ET cut
161 
162  accept = invmass2 >= p_InvMassMin[i] && invmass2 <= p_InvMassMax[i] && acceptCharge;
163  const bool fillAccept = fillHistos() and (fillHistosBasedOnHardware() ? getDecisionHardwareBit(i) : accept);
164  const bool fillReject = fillHistos() and not fillAccept;
165  const bool alreadyFilled = decision.bit(i);
166  if( accept ) {
167  std::vector<TCS::GenericTOB*> TOBvector;
168  TOBvector.push_back( *tob1 );
169  TOBvector.push_back( *tob2 );
170  TOBvector.push_back( *tob3 );
171  decision.setBit(i, true);
172  output[i]->push_back( TCS::CompositeTOB(TOBvector) );
173  TOBvector.clear();
174  }
175  if(fillAccept and not alreadyFilled) {
176  fillHist1D(m_histAccept[i],std::sqrt(invmass2));
177  fillHist2D(m_histAcceptEta1Eta2[i],(*tob1)->eta(),(*tob2)->eta());
178  fillHist2D(m_histAcceptEta2Eta3[i],(*tob2)->eta(),(*tob3)->eta());
179  fillHist2D(m_histAcceptEta3Eta1[i],(*tob3)->eta(),(*tob1)->eta());
180  } else if(fillReject) {
181  fillHist1D(m_histReject[i],std::sqrt(invmass2));
182  fillHist2D(m_histRejectEta1Eta2[i],(*tob1)->eta(),(*tob2)->eta());
183  fillHist2D(m_histRejectEta2Eta3[i],(*tob2)->eta(),(*tob3)->eta());
184  fillHist2D(m_histRejectEta3Eta1[i],(*tob3)->eta(),(*tob1)->eta());
185  }
186  TRG_MSG_DEBUG("Decision " << i << ": " << (accept?"pass":"fail") << " invmass2 = " << invmass2);
187 
188  }
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  output[i]->setAmbiguityFlag(hasAmbiguousInputs);
195  }
196  } else {
197 
198  TCS_EXCEPTION("InvariantMassThreeTOBsIncl1Charge alg must have 1 input list, but got " << input.size());
199 
200  }
201 
202  return TCS::StatusCode::SUCCESS;
203 
204 }
205 
206 TCS::StatusCode
207 TCS::InvariantMassThreeTOBsIncl1Charge::process( const std::vector<TCS::TOBArray const *> & input,
208  const std::vector<TCS::TOBArray *> & output,
209  Decision & decision )
210 {
211 
212  if(input.size() == 1) {
213 
214  for( TCS::TOBArray::const_iterator tob1 = input[0]->begin();
215  tob1 != input[0]->end() && distance( input[0]->begin(), tob1) < p_NumberLeading1;
216  ++tob1) {
217 
218  TCS::TOBArray::const_iterator tob2 = tob1; ++tob2;
219  for( ;
220  tob2 != input[0]->end() && distance( input[0]->begin(), tob2) < p_NumberLeading1;
221  ++tob2) {
222 
223  TCS::TOBArray::const_iterator tob3 = tob2; ++tob3;
224  for( ;
225  tob3 != input[0]->end() && distance( input[0]->begin(), tob3) < p_NumberLeading1;
226  ++tob3) {
227 
228  // OneBarrel
229  if (p_OneBarrel && static_cast<parType_t>(std::abs((*tob1)->eta())) > 10 && static_cast<parType_t>(std::abs((*tob2)->eta())) > 10 && static_cast<parType_t>(std::abs((*tob3)->eta())) > 10 ) continue;
230 
231  // Inv Mass calculation
232  unsigned int invmass2_12 = calcInvMass( *tob1, *tob2 );
233  unsigned int invmass2_13 = calcInvMass( *tob1, *tob3 );
234  unsigned int invmass2_23 = calcInvMass( *tob2, *tob3 );
235  unsigned int invmass2 = invmass2_12 + invmass2_13 + invmass2_23;
236  // Charge cut ( 1 = positive, -1 = negative, 0 = undefined (RPC) )
237  int charge1 = (*tob1)->charge();
238  int charge2 = (*tob2)->charge();
239  int charge3 = (*tob3)->charge();
240  int totalCharge = charge1 + charge2 + charge3;
241  bool acceptCharge = true;
242  if ( std::abs(totalCharge) == 3 ) { acceptCharge = false; }
243  for(unsigned int i=0; i<numberOutputBits(); ++i) {
244  bool accept = false;
245  if( static_cast<parType_t>((*tob1)->Et()) <= p_MinET1[i]) continue; // ET cut
246  if( static_cast<parType_t>((*tob2)->Et()) <= p_MinET1[i]) continue; // ET cut
247  if( static_cast<parType_t>((*tob3)->Et()) <= p_MinET1[i]) continue; // ET cut
248 
249  accept = invmass2 >= p_InvMassMin[i] && invmass2 <= p_InvMassMax[i] && acceptCharge;
250  const bool fillAccept = fillHistos() and (fillHistosBasedOnHardware() ? getDecisionHardwareBit(i) : accept);
251  const bool fillReject = fillHistos() and not fillAccept;
252  const bool alreadyFilled = decision.bit(i);
253  if( accept ) {
254  std::vector<TCS::GenericTOB*> TOBvector;
255  TOBvector.push_back( *tob1 );
256  TOBvector.push_back( *tob2 );
257  TOBvector.push_back( *tob3 );
258  decision.setBit(i, true);
259  output[i]->push_back( TCS::CompositeTOB(TOBvector) );
260  TOBvector.clear();
261  }
262  if(fillAccept and not alreadyFilled) {
263  fillHist1D(m_histAccept[i],std::sqrt(invmass2));
264  fillHist2D(m_histAcceptEta1Eta2[i],(*tob1)->eta(),(*tob2)->eta());
265  fillHist2D(m_histAcceptEta2Eta3[i],(*tob2)->eta(),(*tob3)->eta());
266  fillHist2D(m_histAcceptEta3Eta1[i],(*tob3)->eta(),(*tob1)->eta());
267  } else if(fillReject) {
268  fillHist1D(m_histReject[i],std::sqrt(invmass2));
269  fillHist2D(m_histRejectEta1Eta2[i],(*tob1)->eta(),(*tob2)->eta());
270  fillHist2D(m_histRejectEta2Eta3[i],(*tob2)->eta(),(*tob3)->eta());
271  fillHist2D(m_histRejectEta3Eta1[i],(*tob3)->eta(),(*tob1)->eta());
272  }
273  TRG_MSG_DEBUG("Decision " << i << ": " << (accept?"pass":"fail") << " invmass2 = " << invmass2);
274 
275  }
276  }
277  }
278  }
279  } else {
280 
281  TCS_EXCEPTION("InvariantMassThreeTOBsIncl1Charge alg must have either 1 input list, but got " << input.size());
282 
283  }
284 
285  return TCS::StatusCode::SUCCESS;
286 }
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