File indexing completed on 2021-02-14 13:08:10
0001 #include "Geometry/CaloGeometry/interface/CaloCellGeometry.h"
0002 #include "Geometry/ForwardGeometry/interface/ZdcHardcodeGeometryLoader.h"
0003 #include "Geometry/ForwardGeometry/interface/IdealZDCTrapezoid.h"
0004 #include "Geometry/ForwardGeometry/interface/ZdcGeometry.h"
0005 #include "FWCore/MessageLogger/interface/MessageLogger.h"
0006 #include <algorithm>
0007
0008 typedef CaloCellGeometry::CCGFloat CCGFloat;
0009
0010 ZdcHardcodeGeometryLoader::ZdcHardcodeGeometryLoader() : theTopology(new ZdcTopology), extTopology(theTopology) {
0011 init();
0012 }
0013
0014 ZdcHardcodeGeometryLoader::ZdcHardcodeGeometryLoader(const ZdcTopology& ht) : theTopology(nullptr), extTopology(&ht) {
0015 init();
0016 }
0017
0018 void ZdcHardcodeGeometryLoader::init() {}
0019
0020 ZdcHardcodeGeometryLoader::ReturnType ZdcHardcodeGeometryLoader::load(DetId::Detector , int subdet) {
0021 ReturnType hg(new ZdcGeometry(extTopology));
0022 if (subdet == HcalZDCDetId::SubdetectorId) {
0023 fill(HcalZDCDetId::EM, hg);
0024 fill(HcalZDCDetId::LUM, hg);
0025 fill(HcalZDCDetId::HAD, hg);
0026
0027 }
0028 return hg;
0029 }
0030
0031 ZdcHardcodeGeometryLoader::ReturnType ZdcHardcodeGeometryLoader::load() {
0032 ReturnType hg(new ZdcGeometry(extTopology));
0033 fill(HcalZDCDetId::EM, hg);
0034 fill(HcalZDCDetId::LUM, hg);
0035 fill(HcalZDCDetId::HAD, hg);
0036
0037 return hg;
0038 }
0039
0040 void ZdcHardcodeGeometryLoader::fill(HcalZDCDetId::Section section, ReturnType geom) {
0041
0042 std::vector<HcalZDCDetId> zdcIds;
0043 HcalZDCDetId id;
0044 int firstCell = extTopology->firstCell(section);
0045 int lastCell = extTopology->lastCell(section);
0046 for (int ichannel = firstCell; ichannel <= lastCell; ++ichannel) {
0047 id = HcalZDCDetId(section, true, ichannel);
0048 if (extTopology->valid(id))
0049 zdcIds.emplace_back(id);
0050 id = HcalZDCDetId(section, false, ichannel);
0051 if (extTopology->valid(id))
0052 zdcIds.emplace_back(id);
0053 }
0054 if (geom->cornersMgr() == nullptr)
0055 geom->allocateCorners(HcalZDCDetId::kSizeForDenseIndexing);
0056 if (geom->parMgr() == nullptr)
0057 geom->allocatePar(ZdcGeometry::k_NumberOfParametersPerShape * ZdcGeometry::k_NumberOfShapes,
0058 ZdcGeometry::k_NumberOfParametersPerShape);
0059
0060 edm::LogInfo("ZdcHardcodeGeometry") << "Number of ZDC DetIds made: " << section << " " << zdcIds.size();
0061
0062
0063
0064 for (std::vector<HcalZDCDetId>::const_iterator zdcIdItr = zdcIds.begin(); zdcIdItr != zdcIds.end(); ++zdcIdItr) {
0065 makeCell(*zdcIdItr, geom);
0066 }
0067 }
0068
0069 void ZdcHardcodeGeometryLoader::makeCell(const HcalZDCDetId& detId, ReturnType geom) const {
0070 double zside(detId.zside());
0071
0072 const HcalZDCDetId::Section section(detId.section());
0073
0074 const int channel(detId.channel());
0075
0076
0077
0078
0079 static const double x0(0);
0080 static const double y0(0);
0081 static const double z0(14000);
0082
0083 static const double angEM(0);
0084 static const double angLUM(0);
0085 static const double angRPD(0);
0086 static const double angHAD(atan(1.));
0087
0088
0089
0090 static const double dxHAD(4.8);
0091 static const double dxEM(dxHAD / 5.);
0092 static const double dxLUM(4.8);
0093 static const double dxRPD(4.8);
0094
0095 static const double dhEM(6.25);
0096 static const double dhLUM(6.25);
0097 static const double dhHAD(6.25);
0098 static const double dhRPD(6.25);
0099
0100 static const double dzEM(33. * 0.15);
0101 static const double dzLUM(23.5);
0102 static const double dzHAD(0.82 * 6. / cos(angHAD));
0103 static const double dzRPD(23.5);
0104
0105
0106
0107
0108 static const double xOffEM(-4. * dxEM);
0109 static const double xOffLUM(0);
0110 static const double xOffHAD(0);
0111 static const double xOffRPD(0);
0112
0113 static const double yOffEM(0);
0114 static const double yOffLUM(0);
0115 static const double yOffHAD(0);
0116 static const double yOffRPD(0);
0117
0118 static const double zOffEM(-49.85 - 0.15);
0119 static const double zOffLUM(-39.555);
0120 static const double zOffHAD(-29.00);
0121 static const double zOffRPD(-39.555);
0122
0123
0124
0125 double dx, dh, dz, x, y, z, an;
0126
0127 if (section == HcalZDCDetId::EM) {
0128 dx = dxEM;
0129 dh = dhEM;
0130 dz = dzEM;
0131 an = angEM;
0132 x = zside * (x0 + xOffEM + (channel - 1.0) * dxEM * 2.);
0133 y = y0 + yOffEM;
0134 z = zside * (z0 + zOffEM);
0135 } else if (section == HcalZDCDetId::LUM) {
0136 dx = dxLUM;
0137 dh = dhLUM;
0138 dz = dzLUM;
0139 an = angLUM;
0140 x = zside * (x0 + xOffLUM);
0141 y = y0 + yOffLUM;
0142 z = zside * (z0 + zOffLUM + (channel - 1.0) * dzLUM * 2.);
0143 } else if (section == HcalZDCDetId::RPD) {
0144 dx = dxRPD;
0145 dh = dhRPD;
0146 dz = dzRPD;
0147 an = angRPD;
0148 x = zside * (x0 + xOffRPD);
0149 y = y0 + yOffRPD;
0150 z = zside * (z0 + zOffRPD + (channel - 1.0) * dzRPD * 2.);
0151 } else {
0152 assert(section == HcalZDCDetId::HAD);
0153 dx = dxHAD;
0154 dh = dhHAD;
0155 dz = dzHAD;
0156 an = angHAD;
0157 x = zside * (x0 + xOffHAD);
0158 y = y0 + yOffHAD;
0159 z = zside * (z0 + zOffHAD + (channel - 1.0) * dzHAD * 2.);
0160 }
0161
0162 const GlobalPoint fc(x, y, z);
0163
0164 const double dy(dh * cos(an));
0165
0166 std::vector<CCGFloat> zz;
0167 zz.reserve(ZdcGeometry::k_NumberOfParametersPerShape);
0168 zz.emplace_back(an);
0169 zz.emplace_back(dx);
0170 zz.emplace_back(dy);
0171 zz.emplace_back(dz);
0172
0173 geom->newCell(fc, fc, fc, CaloCellGeometry::getParmPtr(zz, geom->parMgr(), geom->parVecVec()), detId);
0174 }