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File indexing completed on 2023-01-23 02:42:52 

0001 ///////////////////////////////////////////////////////////////////////////////
0002 // File: HGCalSD.cc
0003 // Description: Sensitive Detector class for High Granularity Calorimeter
0004 ///////////////////////////////////////////////////////////////////////////////
0005 
0006 #include "DataFormats/Math/interface/FastMath.h"
0007 #include "DataFormats/ForwardDetId/interface/HGCSiliconDetId.h"
0008 #include "SimG4CMS/Calo/interface/HGCalSD.h"
0009 #include "SimG4Core/Notification/interface/TrackInformation.h"
0010 #include "FWCore/Utilities/interface/Exception.h"
0011 #include "Geometry/HGCalCommonData/interface/HGCalDDDConstants.h"
0012 #include "Geometry/HGCalCommonData/interface/HGCalGeometryMode.h"
0013 #include "G4LogicalVolumeStore.hh"
0014 #include "G4LogicalVolume.hh"
0015 #include "G4Step.hh"
0016 #include "G4Track.hh"
0017 #include "G4ParticleTable.hh"
0018 #include "G4VProcess.hh"
0019 #include "G4Trap.hh"
0020 
0021 #include <fstream>
0022 #include <iomanip>
0023 #include <iostream>
0024 #include <memory>
0025 
0026 //#define EDM_ML_DEBUG
0027 
0028 HGCalSD::HGCalSD(const std::string& name,
0029                  const HGCalDDDConstants* hgc,
0030                  const SensitiveDetectorCatalog& clg,
0031                  edm::ParameterSet const& p,
0032                  const SimTrackManager* manager)
0033     : CaloSD(name,
0034              clg,
0035              p,
0036              manager,
0037              static_cast<float>(p.getParameter<edm::ParameterSet>("HGCSD").getParameter<double>("TimeSliceUnit")),
0038              p.getParameter<edm::ParameterSet>("HGCSD").getParameter<bool>("IgnoreTrackID")),
0039       hgcons_(hgc),
0040       slopeMin_(0),
0041       levelT1_(99),
0042       levelT2_(99),
0043       useSimWt_(0),
0044       tan30deg_(std::tan(30.0 * CLHEP::deg)) {
0045   numberingScheme_.reset(nullptr);
0046   mouseBite_.reset(nullptr);
0047 
0048   edm::ParameterSet m_HGC = p.getParameter<edm::ParameterSet>("HGCSD");
0049   eminHit_ = m_HGC.getParameter<double>("EminHit") * CLHEP::MeV;
0050   fiducialCut_ = m_HGC.getParameter<bool>("FiducialCut");
0051   distanceFromEdge_ = m_HGC.getParameter<double>("DistanceFromEdge");
0052   storeAllG4Hits_ = m_HGC.getParameter<bool>("StoreAllG4Hits");
0053   rejectMB_ = m_HGC.getParameter<bool>("RejectMouseBite");
0054   waferRot_ = m_HGC.getParameter<bool>("RotatedWafer");
0055   cornerMinMask_ = m_HGC.getParameter<int>("CornerMinMask");
0056   angles_ = m_HGC.getUntrackedParameter<std::vector<double>>("WaferAngles");
0057   missingFile_ = m_HGC.getUntrackedParameter<std::string>("MissingWaferFile");
0058   checkID_ = m_HGC.getUntrackedParameter<bool>("CheckID");
0059 
0060   if (storeAllG4Hits_) {
0061     setUseMap(false);
0062     setNumberCheckedHits(0);
0063   }
0064 
0065   //this is defined in the hgcsens.xml
0066   G4String myName = name;
0067   mydet_ = DetId::Forward;
0068   nameX_ = "HGCal";
0069   if (myName.find("HitsEE") != std::string::npos) {
0070     mydet_ = DetId::HGCalEE;
0071     nameX_ = "HGCalEESensitive";
0072   } else if (myName.find("HitsHEfront") != std::string::npos) {
0073     mydet_ = DetId::HGCalHSi;
0074     nameX_ = "HGCalHESiliconSensitive";
0075   }
0076 
0077 #ifdef EDM_ML_DEBUG
0078   edm::LogVerbatim("HGCSim") << "**************************************************"
0079                              << "\n"
0080                              << "*                                                *"
0081                              << "\n"
0082                              << "* Constructing a HGCalSD  with name " << name << "\n"
0083                              << "*                                                *"
0084                              << "\n"
0085                              << "**************************************************";
0086 #endif
0087   edm::LogVerbatim("HGCSim") << "HGCalSD:: Threshold for storing hits: " << eminHit_ << " for " << nameX_
0088                              << " detector " << mydet_;
0089   edm::LogVerbatim("HGCSim") << "Flag for storing individual Geant4 Hits " << storeAllG4Hits_;
0090   edm::LogVerbatim("HGCSim") << "Fiducial volume cut with cut from eta/phi "
0091                              << "boundary " << fiducialCut_ << " at " << distanceFromEdge_;
0092   edm::LogVerbatim("HGCSim") << "Reject MosueBite Flag: " << rejectMB_ << " cuts along " << angles_.size()
0093                              << " axes: " << angles_[0] << ", " << angles_[1];
0094 }
0095 
0096 double HGCalSD::getEnergyDeposit(const G4Step* aStep) {
0097   double r = aStep->GetPreStepPoint()->GetPosition().perp();
0098   double z = std::abs(aStep->GetPreStepPoint()->GetPosition().z());
0099 #ifdef EDM_ML_DEBUG
0100   G4int parCode = aStep->GetTrack()->GetDefinition()->GetPDGEncoding();
0101   G4String parName = aStep->GetTrack()->GetDefinition()->GetParticleName();
0102   G4LogicalVolume* lv = aStep->GetPreStepPoint()->GetPhysicalVolume()->GetLogicalVolume();
0103   edm::LogVerbatim("HGCSim") << "HGCalSD: Hit from standard path from " << lv->GetName() << " for Track "
0104                              << aStep->GetTrack()->GetTrackID() << " (" << parCode << ":" << parName << ") R = " << r
0105                              << " Z = " << z << " slope = " << r / z << ":" << slopeMin_;
0106 #endif
0107   // Apply fiducial cut
0108   if (r < z * slopeMin_) {
0109 #ifdef EDM_ML_DEBUG
0110     edm::LogVerbatim("HGCSim") << "HGCalSD: Fiducial Volume cut";
0111 #endif
0112     return 0.0;
0113   }
0114 
0115   double wt1 = getResponseWt(aStep->GetTrack());
0116   double wt2 = aStep->GetTrack()->GetWeight();
0117   double destep = weight_ * wt1 * (aStep->GetTotalEnergyDeposit());
0118   if (wt2 > 0)
0119     destep *= wt2;
0120 #ifdef EDM_ML_DEBUG
0121   edm::LogVerbatim("HGCSim") << "HGCalSD: weights= " << weight_ << ":" << wt1 << ":" << wt2 << " Total weight "
0122                              << weight_ * wt1 * wt2 << " deStep: " << aStep->GetTotalEnergyDeposit() << ":" << destep;
0123 #endif
0124   return destep;
0125 }
0126 
0127 uint32_t HGCalSD::setDetUnitId(const G4Step* aStep) {
0128   const G4StepPoint* preStepPoint = aStep->GetPreStepPoint();
0129   const G4VTouchable* touch = preStepPoint->GetTouchable();
0130 
0131 #ifdef EDM_ML_DEBUG
0132   edm::LogVerbatim("HGCSim") << "DepthsTop: " << touch->GetHistoryDepth() << ":" << levelT1_ << ":" << levelT2_;
0133   printDetectorLevels(touch);
0134 #endif
0135   //determine the exact position in global coordinates in the mass geometry
0136   G4ThreeVector hitPoint = preStepPoint->GetPosition();
0137   float globalZ = touch->GetTranslation(0).z();
0138   int iz(globalZ > 0 ? 1 : -1);
0139 
0140   int layer(0), module(-1), cell(-1);
0141   if ((geom_mode_ == HGCalGeometryMode::Hexagon8Module) || (geom_mode_ == HGCalGeometryMode::Hexagon8Cassette)) {
0142     if (useSimWt_ > 0) {
0143       layer = touch->GetReplicaNumber(2);
0144       module = touch->GetReplicaNumber(1);
0145     } else if (touch->GetHistoryDepth() > levelT2_) {
0146       layer = touch->GetReplicaNumber(4);
0147       module = touch->GetReplicaNumber(3);
0148       cell = touch->GetReplicaNumber(1);
0149     } else {
0150       layer = touch->GetReplicaNumber(3);
0151       module = touch->GetReplicaNumber(2);
0152     }
0153 #ifdef EDM_ML_DEBUG
0154     edm::LogVerbatim("HGCSim") << "DepthsTop: " << touch->GetHistoryDepth() << ":" << levelT1_ << ":" << levelT2_ << ":"
0155                                << useSimWt_ << " name " << touch->GetVolume(0)->GetName() << " layer:module:cell "
0156                                << layer << ":" << module << ":" << cell;
0157     printDetectorLevels(touch);
0158 #endif
0159   } else if ((touch->GetHistoryDepth() == levelT1_) || (touch->GetHistoryDepth() == levelT2_)) {
0160     layer = touch->GetReplicaNumber(0);
0161 #ifdef EDM_ML_DEBUG
0162     edm::LogVerbatim("HGCSim") << "DepthsTop: " << touch->GetHistoryDepth() << ":" << levelT1_ << ":" << levelT2_
0163                                << " name " << touch->GetVolume(0)->GetName() << " layer:module:cell " << layer << ":"
0164                                << module << ":" << cell;
0165 #endif
0166   } else {
0167     layer = touch->GetReplicaNumber(3);
0168     module = touch->GetReplicaNumber(2);
0169     cell = touch->GetReplicaNumber(1);
0170 #ifdef EDM_ML_DEBUG
0171     edm::LogVerbatim("HGCSim") << "DepthsInside: " << touch->GetHistoryDepth() << " name "
0172                                << touch->GetVolume(0)->GetName() << " layer:module:cell " << layer << ":" << module
0173                                << ":" << cell;
0174 #endif
0175   }
0176 #ifdef EDM_ML_DEBUG
0177   G4Material* mat = aStep->GetPreStepPoint()->GetMaterial();
0178   edm::LogVerbatim("HGCSim") << "Depths: " << touch->GetHistoryDepth() << " name " << touch->GetVolume(0)->GetName()
0179                              << ":" << touch->GetReplicaNumber(0) << "   " << touch->GetVolume(1)->GetName() << ":"
0180                              << touch->GetReplicaNumber(1) << "   " << touch->GetVolume(2)->GetName() << ":"
0181                              << touch->GetReplicaNumber(2) << "   " << touch->GetVolume(3)->GetName() << ":"
0182                              << touch->GetReplicaNumber(3) << "   " << touch->GetVolume(4)->GetName() << ":"
0183                              << touch->GetReplicaNumber(4) << "   "
0184                              << " layer:module:cell " << layer << ":" << module << ":" << cell << " Material "
0185                              << mat->GetName() << ":" << mat->GetRadlen();
0186 #endif
0187   // The following statement should be examined later before elimination
0188   if (aStep->GetPreStepPoint()->GetMaterial()->GetRadlen() > 100000.)
0189     return 0;
0190 
0191   uint32_t id = setDetUnitId(layer, module, cell, iz, hitPoint);
0192   if (rejectMB_ && id != 0) {
0193     auto uv = HGCSiliconDetId(id).waferUV();
0194 #ifdef EDM_ML_DEBUG
0195     edm::LogVerbatim("HGCSim") << "ID " << std::hex << id << std::dec << " " << HGCSiliconDetId(id);
0196 #endif
0197     if (mouseBite_->exclude(hitPoint, iz, uv.first, uv.second)) {
0198       id = 0;
0199 #ifdef EDM_ML_DEBUG
0200       edm::LogVerbatim("HGCSim") << "Rejected by mousebite cutoff *****";
0201 #endif
0202     }
0203   }
0204 #ifdef EDM_ML_DEBUG
0205   if (id != 0)
0206     edm::LogVerbatim("HGCSim") << HGCSiliconDetId(id);
0207 #endif
0208   if ((id != 0) && checkID_) {
0209     HGCSiliconDetId hid1(id);
0210     bool cshift = (hgcons_->cassetteShiftSilicon(hid1.layer(), hid1.waferU(), hid1.waferV()));
0211     std::string_view pid = (cshift ? "HGCSim" : "HGCalSim");
0212     auto xy = hgcons_->locateCell(hid1, false);
0213     double xx = (hid1.zside() > 0) ? xy.first : -xy.first;
0214     double dx = xx - (hitPoint.x() / CLHEP::cm);
0215     double dy = xy.second - (hitPoint.y() / CLHEP::cm);
0216     double diff = std::sqrt(dx * dx + dy * dy);
0217     constexpr double tol = 2.0;
0218     bool valid1 = hgcons_->isValidHex8(hid1.layer(), hid1.waferU(), hid1.waferV(), hid1.cellU(), hid1.cellV(), true);
0219     if ((diff > tol) || (!valid1))
0220       pid = "HGCalError";
0221     auto partn = hgcons_->waferTypeRotation(hid1.layer(), hid1.waferU(), hid1.waferV(), false, false);
0222     edm::LogVerbatim(pid) << "CheckID " << HGCSiliconDetId(id) << " input position: (" << hitPoint.x() / CLHEP::cm
0223                           << ", " << hitPoint.y() / CLHEP::cm << "); position from ID (" << xx << ", " << xy.second
0224                           << ") distance " << diff << " Valid " << valid1 << " Wafer type|rotation " << partn.first
0225                           << ":" << partn.second << " CassetteShift " << cshift;
0226   }
0227   return id;
0228 }
0229 
0230 void HGCalSD::update(const BeginOfJob* job) {
0231   if (hgcons_ != nullptr) {
0232     geom_mode_ = hgcons_->geomMode();
0233     slopeMin_ = hgcons_->minSlope();
0234     levelT1_ = hgcons_->levelTop(0);
0235     levelT2_ = hgcons_->levelTop(1);
0236     useSimWt_ = hgcons_->getParameter()->useSimWt_;
0237     double waferSize = hgcons_->waferSize(false);
0238     double mouseBite = hgcons_->mouseBite(false);
0239     mouseBiteCut_ = waferSize * tan30deg_ - mouseBite;
0240 #ifdef EDM_ML_DEBUG
0241     edm::LogVerbatim("HGCSim") << "HGCalSD::Initialized with mode " << geom_mode_ << " Slope cut " << slopeMin_
0242                                << " top Level " << levelT1_ << ":" << levelT2_ << " useSimWt " << useSimWt_ << " wafer "
0243                                << waferSize << ":" << mouseBite;
0244 #endif
0245 
0246     numberingScheme_ = std::make_unique<HGCalNumberingScheme>(*hgcons_, mydet_, nameX_, missingFile_);
0247     if (rejectMB_)
0248       mouseBite_ = std::make_unique<HGCMouseBite>(*hgcons_, angles_, mouseBiteCut_, waferRot_);
0249   } else {
0250     throw cms::Exception("Unknown", "HGCalSD") << "Cannot find HGCalDDDConstants for " << nameX_ << "\n";
0251   }
0252 }
0253 
0254 void HGCalSD::initRun() {}
0255 
0256 bool HGCalSD::filterHit(CaloG4Hit* aHit, double time) {
0257   return ((time <= tmaxHit) && (aHit->getEnergyDeposit() > eminHit_));
0258 }
0259 
0260 uint32_t HGCalSD::setDetUnitId(int layer, int module, int cell, int iz, G4ThreeVector& pos) {
0261   uint32_t id = numberingScheme_ ? numberingScheme_->getUnitID(layer, module, cell, iz, pos, weight_) : 0;
0262   if (cornerMinMask_ > 2) {
0263     if (hgcons_->maskCell(DetId(id), cornerMinMask_)) {
0264       id = 0;
0265       ignoreRejection();
0266     }
0267   }
0268   if (hgcons_->waferHexagon8File() || (id == 0))
0269     ignoreRejection();
0270   return id;
0271 }
0272 
0273 bool HGCalSD::isItinFidVolume(const G4ThreeVector& pos) {
0274   if (fiducialCut_) {
0275     return (hgcons_->distFromEdgeHex(pos.x(), pos.y(), pos.z()) > distanceFromEdge_);
0276   } else {
0277     return true;
0278   }
0279 }
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