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File indexing completed on 2021-02-14 14:21:47

0001 #include <L1Trigger/CSCTrackFinder/src/CSCTFTrackBuilder.h>
0002 
0003 #include <FWCore/MessageLogger/interface/MessageLogger.h>
0004 
0005 #include <DataFormats/MuonDetId/interface/CSCDetId.h>
0006 #include <DataFormats/MuonDetId/interface/CSCTriggerNumbering.h>
0007 #include <DataFormats/L1DTTrackFinder/interface/L1MuDTChambPhContainer.h>
0008 
0009 #include <DataFormats/L1CSCTrackFinder/interface/CSCTriggerContainer.h>
0010 #include <L1Trigger/CSCTrackFinder/interface/CSCTFSectorProcessor.h>
0011 
0012 #include "CondFormats/L1TObjects/interface/L1MuCSCTFConfiguration.h"
0013 #include "CondFormats/DataRecord/interface/L1MuCSCTFConfigurationRcd.h"
0014 #include <sstream>
0015 #include <cstdlib>
0016 
0017 CSCTFTrackBuilder::CSCTFTrackBuilder(const edm::ParameterSet& pset,
0018                                      bool TMB07,
0019                                      const L1MuTriggerScales* scales,
0020                                      const L1MuTriggerPtScale* ptScale) {
0021   m_minBX = pset.getParameter<int>("MinBX");
0022   m_maxBX = pset.getParameter<int>("MaxBX");
0023 
0024   for (int e = CSCDetId::minEndcapId(); e <= CSCDetId::maxEndcapId(); ++e) {
0025     for (int s = CSCTriggerNumbering::minTriggerSectorId(); s <= CSCTriggerNumbering::maxTriggerSectorId(); ++s) {
0026       // All SPs work with the same configuration (impossible to make it more exclusive in this framework)
0027       my_SPs[e - 1][s - 1] = new CSCTFSectorProcessor(e, s, pset, TMB07, scales, ptScale);
0028     }
0029   }
0030 }
0031 
0032 void CSCTFTrackBuilder::initialize(const edm::EventSetup& c, const Tokens& tokens) {
0033   //my_dtrc->initialize(c);
0034   for (int e = CSCDetId::minEndcapId(); e <= CSCDetId::maxEndcapId(); ++e) {
0035     for (int s = CSCTriggerNumbering::minTriggerSectorId(); s <= CSCTriggerNumbering::maxTriggerSectorId(); ++s) {
0036       my_SPs[e - 1][s - 1]->initialize(c, tokens);
0037     }
0038   }
0039 }
0040 
0041 CSCTFTrackBuilder::~CSCTFTrackBuilder() {
0042   for (int e = CSCDetId::minEndcapId(); e <= CSCDetId::maxEndcapId(); ++e) {
0043     for (int s = CSCTriggerNumbering::minTriggerSectorId(); s <= CSCTriggerNumbering::maxTriggerSectorId(); ++s) {
0044       delete my_SPs[e - 1][s - 1];
0045       my_SPs[e - 1][s - 1] = nullptr;
0046     }
0047   }
0048 }
0049 
0050 void CSCTFTrackBuilder::buildTracks(
0051     const CSCCorrelatedLCTDigiCollection* lcts,
0052     const CSCTriggerContainer<csctf::TrackStub>* dtstubss,  //const L1MuDTChambPhContainer* dttrig,
0053     L1CSCTrackCollection* trkcoll,
0054     CSCTriggerContainer<csctf::TrackStub>* stubs_to_dt) {
0055   std::vector<csc::L1Track> trks;
0056   CSCTriggerContainer<csctf::TrackStub> stub_list;
0057 
0058   CSCCorrelatedLCTDigiCollection::DigiRangeIterator Citer;
0059 
0060   for (Citer = lcts->begin(); Citer != lcts->end(); Citer++) {
0061     CSCCorrelatedLCTDigiCollection::const_iterator Diter = (*Citer).second.first;
0062     CSCCorrelatedLCTDigiCollection::const_iterator Dend = (*Citer).second.second;
0063 
0064     for (; Diter != Dend; Diter++) {
0065       csctf::TrackStub theStub((*Diter), (*Citer).first);
0066       stub_list.push_back(theStub);
0067     }
0068   }
0069 
0070   // Now we append the track stubs the the DT Sector Collector
0071   // after processing from the DT Receiver.
0072 
0073   //  CSCTriggerContainer<csctf::TrackStub> dtstubs = my_dtrc->process(dttrig);
0074   //  stub_list.push_many(dtstubs);
0075   stub_list.push_many(*dtstubss);
0076 
0077   // run each sector processor in the TF
0078   for (int e = CSCDetId::minEndcapId(); e <= CSCDetId::maxEndcapId(); ++e) {
0079     for (int s = CSCTriggerNumbering::minTriggerSectorId(); s <= CSCTriggerNumbering::maxTriggerSectorId(); ++s) {
0080       CSCTriggerContainer<csctf::TrackStub> current_e_s = stub_list.get(e, s);
0081       int spReturnValue = my_SPs[e - 1][s - 1]->run(current_e_s);
0082       if (spReturnValue == -1)  //Major Error, returning with empty Coll's
0083       {
0084         trkcoll->clear();
0085         stubs_to_dt->clear();
0086         return;
0087       } else if (spReturnValue) {
0088         std::vector<csc::L1Track> theTracks = my_SPs[e - 1][s - 1]->tracks().get();
0089         trks.insert(trks.end(), theTracks.begin(), theTracks.end());
0090       }
0091       stubs_to_dt->push_many(my_SPs[e - 1][s - 1]->dtStubs());  // send stubs whether or not we find a track!!!
0092     }
0093   }
0094 
0095   // Now to combine tracks with their track stubs and send them off.
0096   trkcoll->resize(trks.size());
0097   std::vector<csc::L1Track>::const_iterator titr = trks.begin();
0098   L1CSCTrackCollection::iterator tcitr = trkcoll->begin();
0099 
0100   for (; titr != trks.end(); titr++) {
0101     tcitr->first = (*titr);
0102     std::vector<csctf::TrackStub> possible_stubs = my_SPs[titr->endcap() - 1][titr->sector() - 1]->filteredStubs();
0103     std::vector<csctf::TrackStub>::const_iterator tkstbs = possible_stubs.begin();
0104 
0105     int me1ID = titr->me1ID();
0106     int me2ID = titr->me2ID();
0107     int me3ID = titr->me3ID();
0108     int me4ID = titr->me4ID();
0109     int mb1ID = titr->mb1ID();
0110     int me1delay = titr->me1Tbin();
0111     int me2delay = titr->me2Tbin();
0112     int me3delay = titr->me3Tbin();
0113     int me4delay = titr->me4Tbin();
0114     int mb1delay = titr->mb1Tbin();
0115     // BX analyzer: some stub could be delayed by BXA so that all the stubs will run through the core at the same BX;
0116     //  then there is a rule of "second earlies LCT": resulting track will be placed at BX of the "second earliest LCT";
0117     //  in the end there are two parameters in place: the delay by BXA w.r.t to the last LCT and track tbin assignment
0118     std::map<int, std::list<int> > timeline;
0119     if (me1ID)
0120       timeline[me1delay].push_back(1);
0121     if (me2ID)
0122       timeline[me2delay].push_back(2);
0123     if (me3ID)
0124       timeline[me3delay].push_back(3);
0125     if (me4ID)
0126       timeline[me4delay].push_back(4);
0127     int earliest_tbin = 0, second_earliest_tbin = 0;
0128     for (int bx = 7; bx >= 0; bx--) {
0129       std::list<int>::const_iterator iter = timeline[bx].begin();
0130       while (iter != timeline[bx].end()) {
0131         if (earliest_tbin == 0)
0132           earliest_tbin = bx;
0133         else if (second_earliest_tbin == 0)
0134           second_earliest_tbin = bx;
0135         iter++;
0136       }
0137     }
0138     // Core's input was loaded in a relative time window BX=[0-7)
0139     // To relate it to time window of tracks (centred at BX=0) we introduce a shift:
0140     int shift = (m_maxBX + m_minBX) / 2 - m_minBX + m_minBX;
0141     int me1Tbin = titr->bx() - me1delay + second_earliest_tbin + shift;
0142     int me2Tbin = titr->bx() - me2delay + second_earliest_tbin + shift;
0143     int me3Tbin = titr->bx() - me3delay + second_earliest_tbin + shift;
0144     int me4Tbin = titr->bx() - me4delay + second_earliest_tbin + shift;
0145     int mb1Tbin = titr->bx() - mb1delay + second_earliest_tbin + shift;
0146 
0147     for (; tkstbs != possible_stubs.end(); tkstbs++) {
0148       switch (tkstbs->station()) {
0149         case 1:
0150           if ((tkstbs->getMPCLink() +
0151                (3 * (CSCTriggerNumbering::triggerSubSectorFromLabels(CSCDetId(tkstbs->getDetId().rawId())) - 1))) ==
0152                   me1ID &&
0153               me1ID != 0 && me1Tbin == tkstbs->BX()) {
0154             tcitr->second.insertDigi(CSCDetId(tkstbs->getDetId().rawId()), *(tkstbs->getDigi()));
0155           }
0156           break;
0157         case 2:
0158           if (tkstbs->getMPCLink() == me2ID && me2ID != 0 && me2Tbin == tkstbs->BX()) {
0159             tcitr->second.insertDigi(CSCDetId(tkstbs->getDetId().rawId()), *(tkstbs->getDigi()));
0160           }
0161           break;
0162         case 3:
0163           if (tkstbs->getMPCLink() == me3ID && me3ID != 0 && me3Tbin == tkstbs->BX()) {
0164             tcitr->second.insertDigi(CSCDetId(tkstbs->getDetId().rawId()), *(tkstbs->getDigi()));
0165           }
0166           break;
0167         case 4:
0168           if (tkstbs->getMPCLink() == me4ID && me4ID != 0 && me4Tbin == tkstbs->BX()) {
0169             tcitr->second.insertDigi(CSCDetId(tkstbs->getDetId().rawId()), *(tkstbs->getDigi()));
0170           }
0171           break;
0172         case 5:
0173           if (tkstbs->getMPCLink() == mb1ID && mb1ID != 0 && mb1Tbin == tkstbs->BX()) {
0174             /// Hmmm how should I implement this??? Maybe change the L1Track to use stubs not LCTs?
0175           }
0176           break;
0177         default:
0178           edm::LogWarning("CSCTFTrackBuilder::buildTracks()")
0179               << "SERIOUS ERROR: STATION " << tkstbs->station() << " NOT IN RANGE [1,5]\n";
0180       };
0181     }
0182     tcitr++;  // increment to next track in the collection
0183   }
0184 }