[807] | 1 | // |
---|
| 2 | // ******************************************************************** |
---|
| 3 | // * License and Disclaimer * |
---|
| 4 | // * * |
---|
| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
---|
| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
---|
| 7 | // * conditions of the Geant4 Software License, included in the file * |
---|
| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
---|
| 9 | // * include a list of copyright holders. * |
---|
| 10 | // * * |
---|
| 11 | // * Neither the authors of this software system, nor their employing * |
---|
| 12 | // * institutes,nor the agencies providing financial support for this * |
---|
| 13 | // * work make any representation or warranty, express or implied, * |
---|
| 14 | // * regarding this software system or assume any liability for its * |
---|
| 15 | // * use. Please see the license in the file LICENSE and URL above * |
---|
| 16 | // * for the full disclaimer and the limitation of liability. * |
---|
| 17 | // * * |
---|
| 18 | // * This code implementation is the result of the scientific and * |
---|
| 19 | // * technical work of the GEANT4 collaboration. * |
---|
| 20 | // * By using, copying, modifying or distributing the software (or * |
---|
| 21 | // * any work based on the software) you agree to acknowledge its * |
---|
| 22 | // * use in resulting scientific publications, and indicate your * |
---|
| 23 | // * acceptance of all terms of the Geant4 Software license. * |
---|
| 24 | // ******************************************************************** |
---|
| 25 | // |
---|
| 26 | // Rich advanced example for Geant4 |
---|
| 27 | // RichTbSD.cc for Rich of LHCb |
---|
| 28 | // History: |
---|
| 29 | // Created: Sajan Easo (Sajan.Easo@cern.ch) |
---|
| 30 | // Revision and changes: Patricia Mendez (Patricia.Mendez@cern.ch) |
---|
| 31 | ///////////////////////////////////////////////////////////////////////////// |
---|
| 32 | #include "RichTbSD.hh" |
---|
| 33 | #include "RichTbHit.hh" |
---|
| 34 | #include "G4Step.hh" |
---|
| 35 | #include "G4HCofThisEvent.hh" |
---|
| 36 | #include "G4Track.hh" |
---|
| 37 | #include "G4SDManager.hh" |
---|
| 38 | #include "G4ios.hh" |
---|
| 39 | #include "G4VProcess.hh" |
---|
| 40 | |
---|
| 41 | RichTbSD::RichTbSD(G4String DetName, G4int Numhpd , G4int NumSect, |
---|
| 42 | G4int NumPixel, |
---|
| 43 | G4String ) // CollectionName) |
---|
| 44 | :G4VSensitiveDetector(DetName),NumberOfSensitiveHpds(Numhpd), |
---|
| 45 | NumberOfSensitiveSectorsInHpd(NumSect), |
---|
| 46 | NumberOfSensitivePixelsInSector(NumPixel), |
---|
| 47 | HpdSDID(Numhpd*NumSect*NumPixel),HCID(-1) |
---|
| 48 | { |
---|
| 49 | G4String HCname; |
---|
| 50 | collectionName.insert(HCname="RichTbHitsCollection"); |
---|
| 51 | |
---|
| 52 | } |
---|
| 53 | |
---|
| 54 | RichTbSD::~RichTbSD(){ |
---|
| 55 | |
---|
| 56 | } |
---|
| 57 | |
---|
| 58 | void RichTbSD::Initialize(G4HCofThisEvent*) |
---|
| 59 | { |
---|
| 60 | RichTbHitCollection = new RichTbHitsCollection |
---|
| 61 | (SensitiveDetectorName,collectionName[0]); |
---|
| 62 | for (G4int jhpd =0; jhpd < NumberOfHpds; jhpd++){ |
---|
| 63 | for(G4int jsect=0; jsect < NumberOfSiDetSectors; jsect++){ |
---|
| 64 | for (G4int jpixel = 0; jpixel < NumberOfPadHpdSiPixels ; jpixel++ ){ |
---|
| 65 | |
---|
| 66 | HpdSDID[NumberOfSensitiveSectorsInHpd* |
---|
| 67 | NumberOfSensitivePixelsInSector*jhpd+ |
---|
| 68 | NumberOfSensitivePixelsInSector*jsect+jpixel]=-1; |
---|
| 69 | } |
---|
| 70 | } |
---|
| 71 | } |
---|
| 72 | |
---|
| 73 | } |
---|
| 74 | |
---|
| 75 | |
---|
| 76 | G4bool RichTbSD::ProcessHits(G4Step*aStep,G4TouchableHistory*ROhist) |
---|
| 77 | { |
---|
| 78 | |
---|
| 79 | |
---|
| 80 | |
---|
| 81 | G4Track* aTrack = aStep->GetTrack(); |
---|
| 82 | if(aTrack ->GetDefinition()->GetPDGCharge() == 0.0 ) return false; |
---|
| 83 | G4double edep = aStep->GetTotalEnergyDeposit(); |
---|
| 84 | |
---|
| 85 | if(edep < 0.0001) return false; |
---|
| 86 | G4StepPoint* PrePosition = aStep->GetPreStepPoint(); |
---|
| 87 | |
---|
| 88 | |
---|
| 89 | G4int CurrentHpdNumber = PrePosition->GetTouchableHandle() |
---|
| 90 | -> GetReplicaNumber(1); |
---|
| 91 | G4int CurrentSectorNumber= PrePosition->GetTouchableHandle() |
---|
| 92 | -> GetReplicaNumber(); |
---|
| 93 | G4VPhysicalVolume* ROphysVol = ROhist -> GetVolume(); |
---|
| 94 | G4int CurrentPixelNumber = ROphysVol->GetCopyNo(); |
---|
| 95 | |
---|
| 96 | G4ThreeVector HitAtPhotoCathode; |
---|
| 97 | if(aTrack->GetCreatorProcess() -> GetProcessName() == "PadHpdPhot") { |
---|
| 98 | HitAtPhotoCathode=aTrack->GetVertexPosition(); |
---|
| 99 | } |
---|
| 100 | |
---|
| 101 | G4int CopyId= NumberOfSensitiveSectorsInHpd* |
---|
| 102 | NumberOfSensitivePixelsInSector*CurrentHpdNumber+ |
---|
| 103 | NumberOfSensitivePixelsInSector*CurrentSectorNumber+ |
---|
| 104 | CurrentPixelNumber; |
---|
| 105 | |
---|
| 106 | |
---|
| 107 | if( HpdSDID[CopyId ] == -1 ) { |
---|
| 108 | RichTbHit* newHit = new RichTbHit(); |
---|
| 109 | newHit->SetEdep( edep ); |
---|
| 110 | newHit->SetPos( aStep->GetPreStepPoint()->GetPosition() ); |
---|
| 111 | newHit->SetPosPC(HitAtPhotoCathode); |
---|
| 112 | newHit->SetCurHpdNum ( CurrentHpdNumber ); |
---|
| 113 | newHit->SetCurSectNum ( CurrentSectorNumber ); |
---|
| 114 | newHit->SetCurPixNum ( CurrentPixelNumber ); |
---|
| 115 | //For now the same SD detector cell is allowed to have |
---|
| 116 | //multiple hits from the same event. This is ok for |
---|
| 117 | // analogue readout for photoelectron counting. |
---|
| 118 | //This is to be changed in the future. |
---|
| 119 | G4int NumHits = RichTbHitCollection->insert( newHit ); |
---|
| 120 | |
---|
| 121 | HpdSDID[CopyId]= NumHits -1 ; |
---|
| 122 | |
---|
| 123 | } else { |
---|
| 124 | // the current pixel is already hit in this event. |
---|
| 125 | // here we can add extra energy (adc counts) to the |
---|
| 126 | // existing hit. But this is not relevant to the |
---|
| 127 | // current Tb analysis. |
---|
| 128 | (*RichTbHitCollection)[HpdSDID[CopyId]]->AddEdep( edep ); |
---|
| 129 | |
---|
| 130 | G4cout << " Multiple hits in Hpd sector pixel " << CurrentHpdNumber |
---|
| 131 | <<" "<< CurrentSectorNumber<<" "<< CurrentPixelNumber<< G4endl; |
---|
| 132 | } |
---|
| 133 | |
---|
| 134 | return true; |
---|
| 135 | } |
---|
| 136 | |
---|
| 137 | void RichTbSD::EndOfEvent(G4HCofThisEvent*HCE){ |
---|
| 138 | if( HCID < 0 ){ |
---|
| 139 | HCID = G4SDManager::GetSDMpointer()->GetCollectionID(collectionName[0]); } |
---|
| 140 | HCE->AddHitsCollection( HCID, RichTbHitCollection ); |
---|
| 141 | |
---|
| 142 | } |
---|
| 143 | |
---|
| 144 | void RichTbSD::clear(){} |
---|
| 145 | |
---|
| 146 | void RichTbSD::DrawAll(){ } |
---|
| 147 | |
---|
| 148 | void RichTbSD::PrintAll(){ } |
---|
| 149 | |
---|
| 150 | |
---|
| 151 | |
---|
| 152 | |
---|