[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 | // $Id: SteppingAction.cc,v 1.6 2007/03/15 15:52:39 maire Exp $ |
---|
| 27 | // GEANT4 tag $Name: $ |
---|
| 28 | // |
---|
| 29 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 30 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 31 | |
---|
| 32 | #include "SteppingAction.hh" |
---|
| 33 | #include "DetectorConstruction.hh" |
---|
| 34 | #include "PrimaryGeneratorAction.hh" |
---|
| 35 | #include "RunAction.hh" |
---|
| 36 | #include "HistoManager.hh" |
---|
| 37 | |
---|
| 38 | #include "G4RunManager.hh" |
---|
| 39 | |
---|
| 40 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 41 | |
---|
| 42 | SteppingAction::SteppingAction(DetectorConstruction* det, |
---|
| 43 | PrimaryGeneratorAction* prim, RunAction* RuAct, |
---|
| 44 | HistoManager* Hist) |
---|
| 45 | :detector(det), primary(prim), runAction(RuAct), histoManager(Hist) |
---|
| 46 | { } |
---|
| 47 | |
---|
| 48 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 49 | |
---|
| 50 | SteppingAction::~SteppingAction() |
---|
| 51 | { } |
---|
| 52 | |
---|
| 53 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 54 | |
---|
| 55 | void SteppingAction::UserSteppingAction(const G4Step* aStep) |
---|
| 56 | { |
---|
| 57 | G4StepPoint* prePoint = aStep->GetPreStepPoint(); |
---|
| 58 | |
---|
| 59 | // if World --> return |
---|
| 60 | if (prePoint->GetTouchableHandle()->GetVolume()==detector->GetWorld()) return; |
---|
| 61 | |
---|
| 62 | // here we enter in the absorber Box |
---|
| 63 | // tag the event to be killed anyway after this step |
---|
| 64 | // |
---|
| 65 | G4RunManager::GetRunManager()->AbortEvent(); |
---|
| 66 | |
---|
| 67 | //count processes and keep only Multiple Scattering |
---|
| 68 | // |
---|
| 69 | G4StepPoint* endPoint = aStep->GetPostStepPoint(); |
---|
| 70 | G4String procName = endPoint->GetProcessDefinedStep()->GetProcessName(); |
---|
| 71 | runAction->CountProcesses(procName); |
---|
| 72 | |
---|
| 73 | if (procName != "msc" && procName != "stepMax") return; |
---|
| 74 | |
---|
| 75 | //below, only multiple Scattering happens |
---|
| 76 | // |
---|
| 77 | G4ThreeVector position = endPoint->GetPosition(); |
---|
| 78 | G4ThreeVector direction = endPoint->GetMomentumDirection(); |
---|
| 79 | |
---|
| 80 | G4double truePathLength = aStep->GetStepLength(); |
---|
| 81 | G4double geomPathLength = position.x() + 0.5*detector->GetBoxSize(); |
---|
| 82 | G4double ratio = geomPathLength/truePathLength; |
---|
| 83 | runAction->SumPathLength(truePathLength,geomPathLength); |
---|
| 84 | histoManager->FillHisto(1,truePathLength); |
---|
| 85 | histoManager->FillHisto(2,geomPathLength); |
---|
| 86 | histoManager->FillHisto(3,ratio); |
---|
| 87 | |
---|
| 88 | G4double yend = position.y(), zend = position.z(); |
---|
| 89 | G4double lateralDisplacement = std::sqrt(yend*yend + zend*zend); |
---|
| 90 | runAction->SumLateralDisplacement(lateralDisplacement); |
---|
| 91 | histoManager->FillHisto(4,lateralDisplacement); |
---|
| 92 | |
---|
| 93 | G4double psi = std::atan(lateralDisplacement/geomPathLength); |
---|
| 94 | runAction->SumPsi(psi); |
---|
| 95 | histoManager->FillHisto(5,psi); |
---|
| 96 | |
---|
| 97 | G4double xdir = direction.x(), ydir = direction.y(), zdir = direction.z(); |
---|
| 98 | G4double tetaPlane = std::atan2(ydir, xdir); |
---|
| 99 | runAction->SumTetaPlane(tetaPlane); |
---|
| 100 | histoManager->FillHisto(6,tetaPlane); |
---|
| 101 | tetaPlane = std::atan2(zdir, xdir); |
---|
| 102 | runAction->SumTetaPlane(tetaPlane); |
---|
| 103 | histoManager->FillHisto(6,tetaPlane); |
---|
| 104 | |
---|
| 105 | G4double phiPos = std::atan2(zend, yend); |
---|
| 106 | histoManager->FillHisto(7,phiPos); |
---|
| 107 | G4double phiDir = std::atan2(zdir, ydir); |
---|
| 108 | histoManager->FillHisto(8,phiDir); |
---|
| 109 | |
---|
| 110 | G4double phiCorrel = 0.; |
---|
| 111 | if (lateralDisplacement > 0.) |
---|
| 112 | phiCorrel = (yend*ydir + zend*zdir)/lateralDisplacement; |
---|
| 113 | runAction->SumPhiCorrel(phiCorrel); |
---|
| 114 | histoManager->FillHisto(9,phiCorrel); |
---|
| 115 | } |
---|
| 116 | |
---|
| 117 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 118 | |
---|
| 119 | |
---|