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File indexing completed on 2024-04-06 12:19:56
0001 //------------------------------------------------- 0002 // 0003 // Class: L1MuGMTLFSortRankEtaQLUT 0004 // 0005 // 0006 // 0007 // Author : 0008 // H. Sakulin HEPHY Vienna 0009 // 0010 // Migrated to CMSSW: 0011 // I. Mikulec 0012 // 0013 //-------------------------------------------------- 0014 0015 //----------------------- 0016 // This Class's Header -- 0017 //----------------------- 0018 #include "L1Trigger/GlobalMuonTrigger/src/L1MuGMTLFSortRankEtaQLUT.h" 0019 0020 //--------------- 0021 // C++ Headers -- 0022 //--------------- 0023 0024 //------------------------------- 0025 // Collaborating Class Headers -- 0026 //------------------------------- 0027 #include "L1Trigger/GlobalMuonTrigger/src/L1MuGMTConfig.h" 0028 #include "CondFormats/L1TObjects/interface/L1MuTriggerScales.h" 0029 #include "CondFormats/L1TObjects/interface/L1MuPacking.h" 0030 0031 //------------------- 0032 // InitParameters -- 0033 //------------------- 0034 0035 void L1MuGMTLFSortRankEtaQLUT::InitParameters() { m_version = L1MuGMTConfig::getVersionSortRankEtaQLUT(); } 0036 0037 //------------------------------------------------------------------------------------ 0038 // Sort Rank LUT, Eta-Quality part 0039 // 0040 // This LUT determines the dependency of the sort rank on Eta and Quality. 0041 // Inputs: Eta(6 bit) and Quality(3 bit) 0042 // Outputs: Very-low-quality bits (2 bit) 0043 // Rank contribution 2-bit 0044 // 0045 // The very-low quality bits are used to suppress unmatched muons in certain 0046 // trigger-algorithms. By default vlq(1)(MSB) means: not to be used in di-muon trigger 0047 // and vlq(0)(LSB) means not to be used in single-muon trigger. 0048 // 0049 // The Rank-contribution from Eta-Quality is currently not used. Its influence on the 0050 // sort-rank can be determined in the Sort-Rank Combine LUT. 0051 // 0052 // Explanation of the meaning of m_version: 0053 // 0054 // m_version split to 4bit fields: 0055 // bits 0-3: qCSC=2 code 0056 // - 0 - do nothing 0057 // - 1 - all to qGMT=3 0058 // - 2 - |eta|<1.5 || |eta|>1.8 to qGMT=3 0059 // - 3 - 1.2<|eta|<1.5 || |eta|>1.8 to qGMT=3 0060 // - >3 - do nothing 0061 // bits 4-7: qCSC=1 code 0062 // - 0 - |eta|>1.2 to qGMT=3 0063 // - 1 - |eta|>1.3 to qGMT=3 0064 // - >1 - nothing done 0065 // bits 8-11: qRPC<3 code 0066 // - 0 - qRPC=0 1.04<|eta|<1.24 || |eta|>1.48 to qGMT=2 0067 // qRPC=1 0.83<|eta|<1.04 || 1.14<|eta|<1.24 || |eta|>1.36 to qGMT=2 0068 // qRPC=2 0.83<|eta|<0.93 to qGMT=2 0069 // - 1 - do nothing 0070 // - 2 - remove qRPC=0 in endcap from single muon 0071 // - 3 - remove qRPC=0 from single muon 0072 // - 4 - remove qRPC=0 in endcap from all 0073 // - 5 - remove qRPC=0 from all 0074 // - >0 - do nothing 0075 // 0076 // m_version=1: TDR 0077 // m_version=2: 2010 data 0078 // m_version>2: 2011 0079 // 0080 //------------------------------------------------------------------------------------ 0081 0082 unsigned L1MuGMTLFSortRankEtaQLUT::TheLookupFunction(int idx, unsigned eta, unsigned q) const { 0083 // idx is DT, BRPC, CSC, FRPC 0084 // INPUTS: eta(6) q(3) 0085 // OUTPUTS: vlq(2) rank_etaq(2) 0086 0087 const L1MuTriggerScales* theTriggerScales = L1MuGMTConfig::getTriggerScales(); 0088 0089 int isRPC = idx % 2; 0090 // int isFWD = idx / 2; 0091 0092 float etaValue = fabs(theTriggerScales->getRegionalEtaScale(idx)->getCenter(eta)); 0093 0094 // 0095 // very-low-quality flags 0096 // 0097 // 0 .. no VLQ set 0098 // 1 .. output muon will be quality 2 (disable in single and di-muon trigger) 0099 // 2 .. output muon will be quality 3 (disable in single-muon trigger only) 0100 // 3 .. output muon will be quality 4 (disable in di-muon trigger only) 0101 0102 unsigned vlq = 0; 0103 0104 int vCSC2 = (m_version)&0xf; 0105 int vCSC1 = (m_version >> 4) & 0xf; 0106 int vRPC = (m_version >> 8) & 0xf; 0107 0108 // RPC selection 0109 if (isRPC) { 0110 if (vRPC == 0) { 0111 if ((q == 0 && ((etaValue > 1.04 && etaValue < 1.24) || // Q0, high rate, high noise 0112 (etaValue > 1.48))) || // Q0, high rate, high noise 0113 (q == 1 && ((etaValue > 0.83 && etaValue < 1.04) || // Q1, high rate 0114 (etaValue > 1.14 && etaValue < 1.24) || // Q1, high noise 0115 (etaValue > 1.36))) || // Q1, high rate 0116 (q == 2 && (etaValue > 0.83 && etaValue < 0.93))) // Q2, high rate 0117 vlq = 1; 0118 } 0119 // reserve vRPC == 1 for doing nothing for bwd compatibility 0120 if (vRPC == 2) { 0121 if (q == 0 && etaValue > 1.04) 0122 vlq = 2; 0123 } 0124 if (vRPC == 3) { 0125 if (q == 0) 0126 vlq = 2; 0127 } 0128 if (vRPC == 4) { 0129 if (q == 0 && etaValue > 1.04) 0130 vlq = 1; 0131 } 0132 if (vRPC == 5) { 0133 if (q == 0) 0134 vlq = 1; 0135 } 0136 } 0137 0138 // CSC selection 0139 if (idx == 2) { // CSC 0140 if (q == 2) { 0141 if (vCSC2 == 1) 0142 vlq = 2; 0143 if (vCSC2 == 2) { 0144 if (etaValue < 1.5 || etaValue > 1.8) 0145 vlq = 2; // disable in single-muon trigger only 0146 } 0147 if (vCSC2 == 3) { 0148 if ((etaValue > 1.2 && etaValue < 1.5) || etaValue > 1.8) 0149 vlq = 2; // disable in single-muon trigger only 0150 } 0151 } 0152 0153 if (q == 1) { 0154 if (vCSC1 == 0) { 0155 if (etaValue > 1.2) 0156 vlq = 2; // disable in single-muon trigger only 0157 } 0158 if (vCSC1 == 1) { 0159 if (etaValue > 1.3) 0160 vlq = 2; // disable in single-muon trigger only 0161 } 0162 } 0163 } 0164 0165 if (L1MuGMTConfig::getDoOvlRpcAnd()) { 0166 if (idx == 0) { // DT 0167 if (etaValue > 0.91) 0168 vlq = 1; 0169 } 0170 if (idx == 2) { // CSC 0171 if (etaValue < 1.06) 0172 vlq = 1; 0173 } 0174 } 0175 0176 // 0177 // Rank contribution from eta and quality 0178 // 0179 0180 // by default return maximum 0181 // LUT can later be used to reduce the sort rank of certain regions 0182 unsigned rank_etaq = 3; 0183 0184 return (vlq << 2) | rank_etaq; 0185 }
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