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File indexing completed on 2021-02-14 23:30:24

0001 #include "L1Trigger/L1TMuonEndCap/interface/MicroGMTConverter.h"
0002 
0003 MicroGMTConverter::MicroGMTConverter() {}
0004 
0005 MicroGMTConverter::~MicroGMTConverter() {}
0006 
0007 void MicroGMTConverter::convert(const int global_event_BX,
0008                                 const EMTFTrack& in_track,
0009                                 l1t::RegionalMuonCand& out_cand) const {
0010   l1t::tftype tftype = (in_track.Endcap() == 1) ? l1t::tftype::emtf_pos : l1t::tftype::emtf_neg;
0011   int sector = in_track.Sector() - 1;
0012 
0013   out_cand.setHwPt(in_track.GMT_pt());
0014   out_cand.setHwPtUnconstrained(in_track.GMT_pt_dxy());
0015   out_cand.setHwDXY(in_track.GMT_dxy());
0016   out_cand.setHwPhi(in_track.GMT_phi());
0017   out_cand.setHwEta(in_track.GMT_eta());
0018   out_cand.setHwSign(in_track.GMT_charge());
0019   out_cand.setHwSignValid(in_track.GMT_charge_valid());
0020   out_cand.setHwQual(in_track.GMT_quality());
0021   out_cand.setHwHF(false);  // EMTF: halo -> 1
0022   out_cand.setTFIdentifiers(sector, tftype);
0023 
0024   const EMTFPtLUT& ptlut_data = in_track.PtLUT();
0025 
0026   // Form track sub addresses
0027   int me1_ch_id =
0028       (ptlut_data.bt_vi[0] == 0 && ptlut_data.bt_vi[1] != 0) ? ptlut_data.bt_ci[1] + 16 : ptlut_data.bt_ci[0];
0029   int me2_ch_id = ptlut_data.bt_ci[2];
0030   int me3_ch_id = ptlut_data.bt_ci[3];
0031   int me4_ch_id = ptlut_data.bt_ci[4];
0032 
0033   int me1_seg_id = (ptlut_data.bt_vi[0] == 0 && ptlut_data.bt_vi[1] != 0) ? ptlut_data.bt_si[1] : ptlut_data.bt_si[0];
0034   int me2_seg_id = ptlut_data.bt_si[2];
0035   int me3_seg_id = ptlut_data.bt_si[3];
0036   int me4_seg_id = ptlut_data.bt_si[4];
0037 
0038   auto get_gmt_chamber_me1 = [](int ch) {
0039     int gmt_ch = 0;
0040     if (ch == 10)
0041       gmt_ch = 1;
0042     else if (ch == 11)
0043       gmt_ch = 2;
0044     else if (ch == 12)
0045       gmt_ch = 3;
0046     else if (ch == 3 + 16)
0047       gmt_ch = 4;
0048     else if (ch == 6 + 16)
0049       gmt_ch = 5;
0050     else if (ch == 9 + 16)
0051       gmt_ch = 6;
0052     return gmt_ch;
0053   };
0054 
0055   auto get_gmt_chamber = [](int ch) {
0056     int gmt_ch = 0;
0057     if (ch == 10)
0058       gmt_ch = 1;
0059     else if (ch == 11)
0060       gmt_ch = 2;
0061     else if (ch == 3)
0062       gmt_ch = 3;
0063     else if (ch == 9)
0064       gmt_ch = 4;
0065     return gmt_ch;
0066   };
0067 
0068   // Truncate kBX to 11 bits and offset by 25 from global event BX in EMTF firmware
0069   int EMTF_kBX = (abs(global_event_BX) % 2048) - 25 + in_track.BX();
0070   if (EMTF_kBX < 0)
0071     EMTF_kBX += 2048;
0072 
0073   out_cand.setTrackSubAddress(l1t::RegionalMuonCand::kME1Seg, me1_seg_id);
0074   out_cand.setTrackSubAddress(l1t::RegionalMuonCand::kME1Ch, get_gmt_chamber_me1(me1_ch_id));
0075   out_cand.setTrackSubAddress(l1t::RegionalMuonCand::kME2Seg, me2_seg_id);
0076   out_cand.setTrackSubAddress(l1t::RegionalMuonCand::kME2Ch, get_gmt_chamber(me2_ch_id));
0077   out_cand.setTrackSubAddress(l1t::RegionalMuonCand::kME3Seg, me3_seg_id);
0078   out_cand.setTrackSubAddress(l1t::RegionalMuonCand::kME3Ch, get_gmt_chamber(me3_ch_id));
0079   out_cand.setTrackSubAddress(l1t::RegionalMuonCand::kME4Seg, me4_seg_id);
0080   out_cand.setTrackSubAddress(l1t::RegionalMuonCand::kME4Ch, get_gmt_chamber(me4_ch_id));
0081   out_cand.setTrackSubAddress(l1t::RegionalMuonCand::kTrkNum, in_track.Track_num());
0082   out_cand.setTrackSubAddress(l1t::RegionalMuonCand::kBX, EMTF_kBX);
0083 }
0084 
0085 void MicroGMTConverter::convert_all(const edm::Event& iEvent,
0086                                     const EMTFTrackCollection& in_tracks,
0087                                     l1t::RegionalMuonCandBxCollection& out_cands) const {
0088   int gmtMinBX = -2;
0089   int gmtMaxBX = +2;
0090 
0091   out_cands.clear();
0092   out_cands.setBXRange(gmtMinBX, gmtMaxBX);
0093 
0094   for (const auto& in_track : in_tracks) {
0095     int bx = in_track.BX();
0096 
0097     if (gmtMinBX <= bx && bx <= gmtMaxBX) {
0098       l1t::RegionalMuonCand out_cand;
0099 
0100       convert(iEvent.bunchCrossing(), in_track, out_cand);
0101       out_cands.push_back(bx, out_cand);
0102     }
0103   }
0104 
0105   // Sort by processor to match uGMT unpacked order
0106   emtf::sort_uGMT_muons(out_cands);
0107 }
0108 
0109 namespace emtf {
0110 
0111   void sort_uGMT_muons(l1t::RegionalMuonCandBxCollection& cands) {
0112     int minBX = cands.getFirstBX();
0113     int maxBX = cands.getLastBX();
0114     int emtfMinProc = 0;   // ME+ sector 1
0115     int emtfMaxProc = 11;  // ME- sector 6
0116 
0117     // New collection, sorted by processor to match uGMT unpacked order
0118     auto sortedCands = std::make_unique<l1t::RegionalMuonCandBxCollection>();
0119     sortedCands->clear();
0120     sortedCands->setBXRange(minBX, maxBX);
0121     for (int iBX = minBX; iBX <= maxBX; ++iBX) {
0122       for (int proc = emtfMinProc; proc <= emtfMaxProc; proc++) {
0123         for (l1t::RegionalMuonCandBxCollection::const_iterator cand = cands.begin(iBX); cand != cands.end(iBX);
0124              ++cand) {
0125           int cand_proc = cand->processor();
0126           if (cand->trackFinderType() == l1t::tftype::emtf_neg)
0127             cand_proc += 6;
0128           if (cand_proc != proc)
0129             continue;
0130           sortedCands->push_back(iBX, *cand);
0131         }
0132       }
0133     }
0134 
0135     // Return sorted collection
0136     std::swap(cands, *sortedCands);
0137     sortedCands.reset();
0138   }
0139 
0140 }  // End namespace emtf