File indexing completed on 2024-04-06 12:26:56
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0012 #include "RecoMuon/GlobalTrackingTools/interface/StateSegmentMatcher.h"
0013
0014 using namespace std;
0015
0016 StateSegmentMatcher::StateSegmentMatcher(TrajectoryStateOnSurface const &tsos,
0017 DTRecSegment4D const &dtseg4d,
0018 LocalError const &apeLoc) {
0019 if (dtseg4d.hasPhi() && dtseg4d.hasZed()) {
0020 setAPE4d(apeLoc);
0021 match2D = false;
0022 AlgebraicVector dtseg = dtseg4d.parameters();
0023 v1[0] = dtseg[0];
0024 v1[1] = dtseg[1];
0025 v1[2] = dtseg[2];
0026 v1[3] = dtseg[3];
0027
0028 AlgebraicSymMatrix rhErr_vect = dtseg4d.parametersError();
0029 m1(0, 0) = rhErr_vect(1, 1);
0030 m1(0, 1) = rhErr_vect(1, 2);
0031 m1(0, 2) = rhErr_vect(1, 3);
0032 m1(0, 3) = rhErr_vect(1, 4);
0033 m1(1, 0) = rhErr_vect(2, 1);
0034 m1(1, 1) = rhErr_vect(2, 2);
0035 m1(1, 2) = rhErr_vect(2, 3);
0036 m1(1, 3) = rhErr_vect(2, 4);
0037 m1(2, 0) = rhErr_vect(3, 1);
0038 m1(2, 1) = rhErr_vect(3, 2);
0039 m1(2, 2) = rhErr_vect(3, 3);
0040 m1(2, 3) = rhErr_vect(3, 4);
0041 m1(3, 0) = rhErr_vect(4, 1);
0042 m1(3, 1) = rhErr_vect(4, 2);
0043 m1(3, 2) = rhErr_vect(4, 3);
0044 m1(3, 3) = rhErr_vect(4, 4);
0045
0046 Tsos4D tsos4d = Tsos4D(tsos);
0047 v2 = tsos4d.paramVector();
0048 m2 = tsos4d.errorMatrix();
0049 } else {
0050 setAPE2d(apeLoc);
0051 match2D = true;
0052 AlgebraicVector dtseg = dtseg4d.parameters();
0053 v1_2d[0] = dtseg[0];
0054 v1_2d[1] = dtseg[1];
0055
0056 AlgebraicSymMatrix rhErr_vect = dtseg4d.parametersError();
0057 m1_2d(0, 0) = rhErr_vect(1, 1);
0058 m1_2d(0, 1) = rhErr_vect(1, 2);
0059 m1_2d(1, 0) = rhErr_vect(2, 1);
0060 m1_2d(1, 1) = rhErr_vect(2, 2);
0061
0062 if (dtseg4d.hasPhi()) {
0063 Tsos2DPhi tsos2d = Tsos2DPhi(tsos);
0064 v2_2d = tsos2d.paramVector();
0065 m2_2d = tsos2d.errorMatrix();
0066 }
0067
0068 if (dtseg4d.hasZed()) {
0069 Tsos2DZed tsos2d = Tsos2DZed(tsos);
0070 v2_2d = tsos2d.paramVector();
0071 m2_2d = tsos2d.errorMatrix();
0072 }
0073 }
0074 }
0075
0076 StateSegmentMatcher::StateSegmentMatcher(TrajectoryStateOnSurface const &tsos,
0077 CSCSegment const &cscseg4d,
0078 LocalError const &apeLoc) {
0079 setAPE4d(apeLoc);
0080 match2D = false;
0081 AlgebraicVector cscseg = cscseg4d.parameters();
0082 v1[0] = cscseg[0];
0083 v1[1] = cscseg[1];
0084 v1[2] = cscseg[2];
0085 v1[3] = cscseg[3];
0086
0087 AlgebraicSymMatrix rhErr_vect = cscseg4d.parametersError();
0088 m1(0, 0) = rhErr_vect(1, 1);
0089 m1(0, 1) = rhErr_vect(1, 2);
0090 m1(0, 2) = rhErr_vect(1, 3);
0091 m1(0, 3) = rhErr_vect(1, 4);
0092 m1(1, 0) = rhErr_vect(2, 1);
0093 m1(1, 1) = rhErr_vect(2, 2);
0094 m1(1, 2) = rhErr_vect(2, 3);
0095 m1(1, 3) = rhErr_vect(2, 4);
0096 m1(2, 0) = rhErr_vect(3, 1);
0097 m1(2, 1) = rhErr_vect(3, 2);
0098 m1(2, 2) = rhErr_vect(3, 3);
0099 m1(2, 3) = rhErr_vect(3, 4);
0100 m1(3, 0) = rhErr_vect(4, 1);
0101 m1(3, 1) = rhErr_vect(4, 2);
0102 m1(3, 2) = rhErr_vect(4, 3);
0103 m1(3, 3) = rhErr_vect(4, 4);
0104
0105 Tsos4D tsos4d = Tsos4D(tsos);
0106 v2 = tsos4d.paramVector();
0107 m2 = tsos4d.errorMatrix();
0108 }
0109
0110 double StateSegmentMatcher::value() {
0111 if (match2D) {
0112 AlgebraicVector2 v3(v1_2d - v2_2d);
0113 AlgebraicSymMatrix22 m3(m1_2d + m2_2d + ape_2d);
0114 bool m3i = !m3.Invert();
0115 if (m3i) {
0116 return 1e7;
0117 } else {
0118 estValue = ROOT::Math::Similarity(v3, m3);
0119 }
0120
0121 } else {
0122 AlgebraicVector4 v3(v1 - v2);
0123 AlgebraicSymMatrix44 m3(m1 + m2 + ape);
0124 bool m3i = !m3.Invert();
0125 if (m3i) {
0126 return 1e7;
0127 } else {
0128 estValue = ROOT::Math::Similarity(v3, m3);
0129 }
0130 }
0131 return estValue;
0132 }
0133
0134 Tsos4D::Tsos4D(TrajectoryStateOnSurface const &tsos) {
0135 AlgebraicVector5 tsos_v = tsos.localParameters().vector();
0136 tsos_4d[0] = tsos_v[1];
0137 tsos_4d[1] = tsos_v[2];
0138 tsos_4d[2] = tsos_v[3];
0139 tsos_4d[3] = tsos_v[4];
0140
0141 AlgebraicSymMatrix55 E = tsos.localError().matrix();
0142 tsosErr_44(0, 0) = E(1, 1);
0143 tsosErr_44(0, 1) = E(1, 2);
0144 tsosErr_44(0, 2) = E(1, 3);
0145 tsosErr_44(0, 3) = E(1, 4);
0146 tsosErr_44(1, 0) = E(2, 1);
0147 tsosErr_44(1, 1) = E(2, 2);
0148 tsosErr_44(1, 2) = E(2, 3);
0149 tsosErr_44(1, 3) = E(2, 4);
0150 tsosErr_44(2, 0) = E(3, 1);
0151 tsosErr_44(2, 1) = E(3, 2);
0152 tsosErr_44(2, 2) = E(3, 3);
0153 tsosErr_44(2, 3) = E(3, 4);
0154 tsosErr_44(3, 0) = E(4, 1);
0155 tsosErr_44(3, 1) = E(4, 2);
0156 tsosErr_44(3, 2) = E(4, 3);
0157 tsosErr_44(3, 3) = E(4, 4);
0158 }
0159
0160 AlgebraicVector4 Tsos4D::paramVector() const { return tsos_4d; }
0161
0162 AlgebraicSymMatrix44 Tsos4D::errorMatrix() const { return tsosErr_44; }
0163
0164 Tsos2DPhi::Tsos2DPhi(TrajectoryStateOnSurface const &tsos) {
0165 AlgebraicVector5 tsos_v = tsos.localParameters().vector();
0166 tsos_2d_phi[0] = tsos_v[1];
0167 tsos_2d_phi[1] = tsos_v[3];
0168
0169 AlgebraicSymMatrix55 E = tsos.localError().matrix();
0170 tsosErr_22_phi(0, 0) = E(1, 1);
0171 tsosErr_22_phi(0, 1) = E(1, 3);
0172 tsosErr_22_phi(1, 0) = E(3, 1);
0173 tsosErr_22_phi(1, 1) = E(3, 3);
0174 }
0175
0176 AlgebraicVector2 Tsos2DPhi::paramVector() const { return tsos_2d_phi; }
0177
0178 AlgebraicSymMatrix22 Tsos2DPhi::errorMatrix() const { return tsosErr_22_phi; }
0179
0180 Tsos2DZed::Tsos2DZed(TrajectoryStateOnSurface const &tsos) {
0181 AlgebraicVector5 tsos_v = tsos.localParameters().vector();
0182 tsos_2d_zed[0] = tsos_v[2];
0183 tsos_2d_zed[1] = tsos_v[4];
0184
0185 AlgebraicSymMatrix55 E = tsos.localError().matrix();
0186 tsosErr_22_zed(0, 0) = E(2, 2);
0187 tsosErr_22_zed(0, 1) = E(2, 4);
0188 tsosErr_22_zed(1, 0) = E(4, 2);
0189 tsosErr_22_zed(1, 1) = E(4, 4);
0190 }
0191
0192 AlgebraicVector2 Tsos2DZed::paramVector() const { return tsos_2d_zed; }
0193
0194 AlgebraicSymMatrix22 Tsos2DZed::errorMatrix() const { return tsosErr_22_zed; }
