Geant4 Cross Reference |
1 // 1 // 2 // ******************************************* 2 // ******************************************************************** 3 // * License and Disclaimer 3 // * License and Disclaimer * 4 // * 4 // * * 5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of * 6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and * 7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file * 8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These * 9 // * include a list of copyright holders. 9 // * include a list of copyright holders. * 10 // * 10 // * * 11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing * 12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this * 13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, * 14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its * 15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. * 17 // * 17 // * * 18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************* 24 // ******************************************************************** 25 // 25 // >> 26 // $Id: SteppingAction.cc 83010 2014-07-24 14:53:07Z gcosmo $ 26 // 27 // 27 //....oooOO0OOooo........oooOO0OOooo........oo 28 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 28 //....oooOO0OOooo........oooOO0OOooo........oo 29 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 29 30 30 #include "SteppingAction.hh" 31 #include "SteppingAction.hh" 31 32 32 #include "DetectorConstruction.hh" 33 #include "DetectorConstruction.hh" 33 #include "EventAction.hh" 34 #include "EventAction.hh" 34 35 35 #include "G4Step.hh" 36 #include "G4Step.hh" 36 37 37 //....oooOO0OOooo........oooOO0OOooo........oo 38 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 38 39 39 SteppingAction::SteppingAction(DetectorConstru 40 SteppingAction::SteppingAction(DetectorConstruction* det, EventAction* evt) 40 :G4UserSteppingAction(),detector(det),eventAct 41 :G4UserSteppingAction(),detector(det),eventAct(evt) 41 { 42 { 42 first = true; 43 first = true; 43 lvol_world = lvol_module = lvol_layer = lvol 44 lvol_world = lvol_module = lvol_layer = lvol_fiber = 0; 44 } 45 } 45 46 46 //....oooOO0OOooo........oooOO0OOooo........oo 47 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 47 48 48 SteppingAction::~SteppingAction() 49 SteppingAction::~SteppingAction() 49 {} 50 {} 50 51 51 //....oooOO0OOooo........oooOO0OOooo........oo 52 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 52 53 53 void SteppingAction::UserSteppingAction(const 54 void SteppingAction::UserSteppingAction(const G4Step* step ) 54 { 55 { 55 //some initialisation 56 //some initialisation 56 // 57 // 57 if (first) { 58 if (first) { 58 lvol_world = detector->GetLvolWorld(); 59 lvol_world = detector->GetLvolWorld(); 59 lvol_module = detector->GetLvolModule(); 60 lvol_module = detector->GetLvolModule(); 60 lvol_layer = detector->GetLvolLayer(); 61 lvol_layer = detector->GetLvolLayer(); 61 lvol_fiber = detector->GetLvolFiber(); 62 lvol_fiber = detector->GetLvolFiber(); 62 first = false; 63 first = false; 63 } 64 } 64 65 65 //if no edep, return 66 //if no edep, return 66 // 67 // 67 G4double edep = step->GetTotalEnergyDeposit() 68 G4double edep = step->GetTotalEnergyDeposit(); 68 ///if (edep == 0.) return; 69 ///if (edep == 0.) return; 69 70 70 //locate point in geometry 71 //locate point in geometry 71 // 72 // 72 G4int iModule = 0; 73 G4int iModule = 0; 73 G4int iLayer = 0; 74 G4int iLayer = 0; 74 G4int iFiber = 0; 75 G4int iFiber = 0; 75 76 76 G4TouchableHandle touch1 = step->GetPreStepPo 77 G4TouchableHandle touch1 = step->GetPreStepPoint()->GetTouchableHandle(); 77 G4LogicalVolume* lvol = touch1->GetVolume()-> 78 G4LogicalVolume* lvol = touch1->GetVolume()->GetLogicalVolume(); 78 79 79 if (lvol == lvol_world) return; 80 if (lvol == lvol_world) return; 80 else if (lvol == lvol_module) { iModule = tou 81 else if (lvol == lvol_module) { iModule = touch1->GetCopyNumber(0);} 81 else if (lvol == lvol_layer) { iLayer = tou 82 else if (lvol == lvol_layer) { iLayer = touch1->GetCopyNumber(0); 82 iModule = tou 83 iModule = touch1->GetCopyNumber(1);} 83 else if (lvol == lvol_fiber) { iFiber = tou 84 else if (lvol == lvol_fiber) { iFiber = touch1->GetCopyNumber(0); 84 iLayer = tou 85 iLayer = touch1->GetCopyNumber(1); 85 iModule = tou 86 iModule = touch1->GetCopyNumber(2);} 86 87 87 // sum edep 88 // sum edep 88 // 89 // 89 eventAct->SumDeStep(iModule, iLayer, iFiber, 90 eventAct->SumDeStep(iModule, iLayer, iFiber, edep); 90 } 91 } 91 92 92 //....oooOO0OOooo........oooOO0OOooo........oo 93 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 93 94 94 G4double SteppingAction::BirksAttenuation(cons 95 G4double SteppingAction::BirksAttenuation(const G4Step* aStep) 95 { 96 { 96 //Example of Birk attenuation law in organic 97 //Example of Birk attenuation law in organic scintillators. 97 //adapted from Geant3 PHYS337. See MIN 80 (19 98 //adapted from Geant3 PHYS337. See MIN 80 (1970) 239-244 98 // 99 // 99 const G4Material* material = aStep->GetTrack( << 100 G4Material* material = aStep->GetTrack()->GetMaterial(); 100 G4double birk1 = material->GetIonisatio 101 G4double birk1 = material->GetIonisation()->GetBirksConstant(); 101 G4double destep = aStep->GetTotalEnergyD 102 G4double destep = aStep->GetTotalEnergyDeposit(); 102 G4double stepl = aStep->GetStepLength() 103 G4double stepl = aStep->GetStepLength(); 103 G4double charge = aStep->GetTrack()->Get 104 G4double charge = aStep->GetTrack()->GetDefinition()->GetPDGCharge(); 104 // 105 // 105 G4double response = destep; 106 G4double response = destep; 106 if (birk1*destep*stepl*charge != 0.) 107 if (birk1*destep*stepl*charge != 0.) 107 { 108 { 108 response = destep/(1. + birk1*destep/step 109 response = destep/(1. + birk1*destep/stepl); 109 } 110 } 110 return response; 111 return response; 111 } 112 } 112 113 113 //....oooOO0OOooo........oooOO0OOooo........oo 114 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 114 115 115 116