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File indexing completed on 2021-07-27 14:07:57 

0001 ///////////////////////////////////////////////////////////////////////////////
0002 // File: HFNoseSD.cc
0003 // Description: Sensitive Detector class for High Granularity Calorimeter
0004 ///////////////////////////////////////////////////////////////////////////////
0005 
0006 #include "DataFormats/Math/interface/FastMath.h"
0007 #include "DataFormats/ForwardDetId/interface/HFNoseDetId.h"
0008 #include "SimG4CMS/Calo/interface/HFNoseSD.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 <iostream>
0022 #include <fstream>
0023 #include <iomanip>
0024 
0025 //#define EDM_ML_DEBUG
0026 
0027 HFNoseSD::HFNoseSD(const std::string& name,
0028                    const HGCalDDDConstants* hgc,
0029                    const SensitiveDetectorCatalog& clg,
0030                    edm::ParameterSet const& p,
0031                    const SimTrackManager* manager)
0032     : CaloSD(name,
0033              clg,
0034              p,
0035              manager,
0036              (float)(p.getParameter<edm::ParameterSet>("HFNoseSD").getParameter<double>("TimeSliceUnit")),
0037              p.getParameter<edm::ParameterSet>("HFNoseSD").getParameter<bool>("IgnoreTrackID")),
0038       hgcons_(hgc),
0039       slopeMin_(0),
0040       levelT1_(99),
0041       levelT2_(99),
0042       tan30deg_(std::tan(30.0 * CLHEP::deg)) {
0043   numberingScheme_.reset(nullptr);
0044   mouseBite_.reset(nullptr);
0045 
0046   edm::ParameterSet m_HFN = p.getParameter<edm::ParameterSet>("HFNoseSD");
0047   eminHit_ = m_HFN.getParameter<double>("EminHit") * CLHEP::MeV;
0048   fiducialCut_ = m_HFN.getParameter<bool>("FiducialCut");
0049   distanceFromEdge_ = m_HFN.getParameter<double>("DistanceFromEdge");
0050   storeAllG4Hits_ = m_HFN.getParameter<bool>("StoreAllG4Hits");
0051   rejectMB_ = m_HFN.getParameter<bool>("RejectMouseBite");
0052   waferRot_ = m_HFN.getParameter<bool>("RotatedWafer");
0053   cornerMinMask_ = m_HFN.getParameter<int>("CornerMinMask");
0054   angles_ = m_HFN.getUntrackedParameter<std::vector<double>>("WaferAngles");
0055 
0056   nameX_ = ((name.find("HFNoseHits") != std::string::npos) ? "HGCalHFNoseSensitive" : "HFNoseSensitive");
0057 
0058   if (storeAllG4Hits_) {
0059     setUseMap(false);
0060     setNumberCheckedHits(0);
0061   }
0062 
0063 #ifdef EDM_ML_DEBUG
0064   edm::LogVerbatim("HFNSim") << "**************************************************"
0065                              << "\n"
0066                              << "*                                                *"
0067                              << "\n"
0068                              << "* Constructing a HFNoseSD  with name " << name << "\n"
0069                              << "*                                                *"
0070                              << "\n"
0071                              << "**************************************************";
0072 #endif
0073   edm::LogVerbatim("HFNSim") << "HFNoseSD:: Threshold for storing hits: " << eminHit_ << " for " << name;
0074   edm::LogVerbatim("HFNSim") << "Flag for storing individual Geant4 Hits " << storeAllG4Hits_;
0075   edm::LogVerbatim("HFNSim") << "Fiducial volume cut with cut from eta/phi "
0076                              << "boundary " << fiducialCut_ << " at " << distanceFromEdge_;
0077   edm::LogVerbatim("HFNSim") << "Reject MosueBite Flag: " << rejectMB_ << " cuts along " << angles_.size()
0078                              << " axes: " << angles_[0] << ", " << angles_[1];
0079 }
0080 
0081 double HFNoseSD::getEnergyDeposit(const G4Step* aStep) {
0082   double r = aStep->GetPreStepPoint()->GetPosition().perp();
0083   double z = std::abs(aStep->GetPreStepPoint()->GetPosition().z());
0084 #ifdef EDM_ML_DEBUG
0085   G4int parCode = aStep->GetTrack()->GetDefinition()->GetPDGEncoding();
0086   G4String parName = aStep->GetTrack()->GetDefinition()->GetParticleName();
0087   G4LogicalVolume* lv = aStep->GetPreStepPoint()->GetPhysicalVolume()->GetLogicalVolume();
0088   edm::LogVerbatim("HFNSim") << "HFNoseSD: Hit from standard path from " << lv->GetName() << " for Track "
0089                              << aStep->GetTrack()->GetTrackID() << " (" << parCode << ":" << parName << ") R = " << r
0090                              << " Z = " << z << " slope = " << r / z << ":" << slopeMin_;
0091 #endif
0092   // Apply fiducial cut
0093   if (r < z * slopeMin_) {
0094 #ifdef EDM_ML_DEBUG
0095     edm::LogVerbatim("HFNSim") << "HFNoseSD: Fiducial Volume cut";
0096 #endif
0097     return 0.0;
0098   }
0099 
0100   double wt1 = getResponseWt(aStep->GetTrack());
0101   double wt2 = aStep->GetTrack()->GetWeight();
0102   double destep = weight_ * wt1 * (aStep->GetTotalEnergyDeposit());
0103   if (wt2 > 0)
0104     destep *= wt2;
0105 #ifdef EDM_ML_DEBUG
0106   edm::LogVerbatim("HFNSim") << "HFNoseSD: weights= " << weight_ << ":" << wt1 << ":" << wt2 << " Total weight "
0107                              << weight_ * wt1 * wt2 << " deStep: " << aStep->GetTotalEnergyDeposit() << ":" << destep;
0108 #endif
0109   return destep;
0110 }
0111 
0112 uint32_t HFNoseSD::setDetUnitId(const G4Step* aStep) {
0113   const G4StepPoint* preStepPoint = aStep->GetPreStepPoint();
0114   const G4VTouchable* touch = preStepPoint->GetTouchable();
0115 
0116   //determine the exact position in global coordinates in the mass geometry
0117   G4ThreeVector hitPoint = preStepPoint->GetPosition();
0118   float globalZ = touch->GetTranslation(0).z();
0119   int iz(globalZ > 0 ? 1 : -1);
0120 
0121   int layer, module, cell;
0122   if ((touch->GetHistoryDepth() == levelT1_) || (touch->GetHistoryDepth() == levelT2_)) {
0123     layer = touch->GetReplicaNumber(0);
0124     module = -1;
0125     cell = -1;
0126 #ifdef EDM_ML_DEBUG
0127     edm::LogVerbatim("HFNSim") << "DepthsTop: " << touch->GetHistoryDepth() << ":" << levelT1_ << ":" << levelT2_
0128                                << " name " << touch->GetVolume(0)->GetName() << " layer:module:cell " << layer << ":"
0129                                << module << ":" << cell;
0130 #endif
0131   } else {
0132     layer = touch->GetReplicaNumber(3);
0133     module = touch->GetReplicaNumber(2);
0134     cell = touch->GetReplicaNumber(1);
0135 #ifdef EDM_ML_DEBUG
0136     edm::LogVerbatim("HFNSim") << "DepthsInside: " << touch->GetHistoryDepth() << " name "
0137                                << touch->GetVolume(0)->GetName() << " layer:module:cell " << layer << ":" << module
0138                                << ":" << cell;
0139 #endif
0140   }
0141 #ifdef EDM_ML_DEBUG
0142   G4Material* mat = aStep->GetPreStepPoint()->GetMaterial();
0143   edm::LogVerbatim("HFNSim") << "Depths: " << touch->GetHistoryDepth() << " name " << touch->GetVolume(0)->GetName()
0144                              << ":" << touch->GetReplicaNumber(0) << "   " << touch->GetVolume(1)->GetName() << ":"
0145                              << touch->GetReplicaNumber(1) << "   " << touch->GetVolume(2)->GetName() << ":"
0146                              << touch->GetReplicaNumber(2) << "   " << touch->GetVolume(3)->GetName() << ":"
0147                              << touch->GetReplicaNumber(3) << "   " << touch->GetVolume(4)->GetName() << ":"
0148                              << touch->GetReplicaNumber(4) << "   "
0149                              << " layer:module:cell " << layer << ":" << module << ":" << cell << " Material "
0150                              << mat->GetName() << ":" << mat->GetRadlen();
0151 #endif
0152   // The following statement should be examined later before elimination
0153   if (aStep->GetPreStepPoint()->GetMaterial()->GetRadlen() > 100000.)
0154     return 0;
0155 
0156   uint32_t id = setDetUnitId(layer, module, cell, iz, hitPoint);
0157   if (rejectMB_ && id != 0) {
0158     auto uv = HFNoseDetId(id).waferUV();
0159 #ifdef EDM_ML_DEBUG
0160     edm::LogVerbatim("HFNSim") << "ID " << std::hex << id << std::dec << " " << HFNoseDetId(id);
0161 #endif
0162     if (mouseBite_->exclude(hitPoint, iz, uv.first, uv.second)) {
0163       id = 0;
0164 #ifdef EDM_ML_DEBUG
0165       edm::LogVerbatim("HFNSim") << "Rejected by mousebite cutoff *****";
0166 #endif
0167     }
0168   }
0169   return id;
0170 }
0171 
0172 void HFNoseSD::update(const BeginOfJob* job) {
0173   if (hgcons_ != nullptr) {
0174     geom_mode_ = hgcons_->geomMode();
0175     slopeMin_ = hgcons_->minSlope();
0176     levelT1_ = hgcons_->levelTop(0);
0177     levelT2_ = hgcons_->levelTop(1);
0178     double waferSize = hgcons_->waferSize(false);
0179     double mouseBite = hgcons_->mouseBite(false);
0180     mouseBiteCut_ = waferSize * tan30deg_ - mouseBite;
0181 #ifdef EDM_ML_DEBUG
0182     edm::LogVerbatim("HFNSim") << "HFNoseSD::Initialized with mode " << geom_mode_ << " Slope cut " << slopeMin_
0183                                << " top Level " << levelT1_ << ":" << levelT2_ << " wafer " << waferSize << ":"
0184                                << mouseBite;
0185 #endif
0186 
0187     numberingScheme_ = std::make_unique<HFNoseNumberingScheme>(*hgcons_);
0188     if (rejectMB_)
0189       mouseBite_ = std::make_unique<HGCMouseBite>(*hgcons_, angles_, mouseBiteCut_, waferRot_);
0190   } else {
0191     throw cms::Exception("Unknown", "HFNoseSD") << "Cannot find HGCalDDDConstants for " << nameX_ << "\n";
0192   }
0193 }
0194 
0195 void HFNoseSD::initRun() {}
0196 
0197 bool HFNoseSD::filterHit(CaloG4Hit* aHit, double time) {
0198   return ((time <= tmaxHit) && (aHit->getEnergyDeposit() > eminHit_));
0199 }
0200 
0201 uint32_t HFNoseSD::setDetUnitId(int layer, int module, int cell, int iz, G4ThreeVector& pos) {
0202   uint32_t id = numberingScheme_ ? numberingScheme_->getUnitID(layer, module, cell, iz, pos, weight_) : 0;
0203   if (cornerMinMask_ > 2) {
0204     if (hgcons_->maskCell(DetId(id), cornerMinMask_))
0205       id = 0;
0206   }
0207   return id;
0208 }
0209 
0210 bool HFNoseSD::isItinFidVolume(const G4ThreeVector& pos) {
0211   if (fiducialCut_) {
0212     return (hgcons_->distFromEdgeHex(pos.x(), pos.y(), pos.z()) > distanceFromEdge_);
0213   } else {
0214     return true;
0215   }
0216 }
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