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