[819] | 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 | // |
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| 27 | // $Id: G4UserSpecialCuts.cc,v 1.17 2007/06/01 07:53:27 ahoward Exp $ |
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| 28 | // GEANT4 tag $Name: $ |
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| 29 | // |
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| 30 | // -------------------------------------------------------------- |
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| 31 | // History |
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| 32 | // |
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| 33 | // 15-04-98 first implementation, mma |
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| 34 | // 07-04-03 migrade to cut per region (V.Ivanchenko) |
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| 35 | // 18-09-03 substitute manager for the loss tables (V.Ivanchenko) |
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| 36 | // 23-01-04 add protection for charged geantino in range cut (H.Kurashige) |
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| 37 | // 09-09-04 tracking cut applied only if Rmin or Emin > DBL_MIN |
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| 38 | // -------------------------------------------------------------- |
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| 39 | |
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| 40 | #include "G4UserSpecialCuts.hh" |
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| 41 | |
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| 42 | #include "G4Step.hh" |
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| 43 | #include "G4UserLimits.hh" |
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| 44 | #include "G4VParticleChange.hh" |
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| 45 | #include "G4LossTableManager.hh" |
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| 46 | |
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| 47 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 48 | |
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| 49 | G4UserSpecialCuts::G4UserSpecialCuts(const G4String& aName) |
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| 50 | : G4VProcess(aName) |
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| 51 | { |
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| 52 | if (verboseLevel>0) |
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| 53 | { |
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| 54 | G4cout << GetProcessName() << " is created "<< G4endl; |
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| 55 | } |
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| 56 | theLossTableManager = G4LossTableManager::Instance(); |
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| 57 | } |
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| 58 | |
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| 59 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 60 | |
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| 61 | G4UserSpecialCuts::~G4UserSpecialCuts() |
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| 62 | { |
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| 63 | } |
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| 64 | |
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| 65 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 66 | |
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| 67 | G4UserSpecialCuts::G4UserSpecialCuts(G4UserSpecialCuts& right) |
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| 68 | : G4VProcess(right) |
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| 69 | { |
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| 70 | } |
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| 71 | |
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| 72 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 73 | |
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| 74 | G4double G4UserSpecialCuts:: |
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| 75 | PostStepGetPhysicalInteractionLength( const G4Track& aTrack, |
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| 76 | G4double, // previousStepSize |
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| 77 | G4ForceCondition* condition ) |
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| 78 | { |
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| 79 | // condition is set to "Not Forced" |
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| 80 | *condition = NotForced; |
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| 81 | |
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| 82 | G4double ProposedStep = DBL_MAX; |
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| 83 | G4UserLimits* pUserLimits = |
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| 84 | aTrack.GetVolume()->GetLogicalVolume()->GetUserLimits(); |
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| 85 | if (pUserLimits) |
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| 86 | { |
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| 87 | // max track length |
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| 88 | // |
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| 89 | ProposedStep = (pUserLimits->GetUserMaxTrackLength(aTrack) |
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| 90 | - aTrack.GetTrackLength()); |
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| 91 | if (ProposedStep < 0.) return 0.; |
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| 92 | |
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| 93 | // max time limit |
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| 94 | // |
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| 95 | G4double beta = (aTrack.GetDynamicParticle()->GetTotalMomentum()) |
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| 96 | /(aTrack.GetTotalEnergy()); |
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| 97 | G4double dTime = (pUserLimits->GetUserMaxTime(aTrack) |
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| 98 | - aTrack.GetGlobalTime()); |
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| 99 | G4double temp = beta*c_light*dTime; |
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| 100 | if (temp < 0.) return 0.; |
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| 101 | if (ProposedStep > temp) ProposedStep = temp; |
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| 102 | |
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| 103 | // min remaining range |
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| 104 | // (only for charged particle except for chargedGeantino) |
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| 105 | // |
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| 106 | G4ParticleDefinition* Particle = aTrack.GetDefinition(); |
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| 107 | if ( (Particle->GetPDGCharge() != 0.) |
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| 108 | && (Particle->GetParticleType() != "geantino")) |
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| 109 | { |
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| 110 | G4double Ekine = aTrack.GetKineticEnergy(); |
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| 111 | const G4MaterialCutsCouple* couple = aTrack.GetMaterialCutsCouple(); |
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| 112 | G4double RangeNow = theLossTableManager->GetRange(Particle,Ekine,couple); |
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| 113 | G4double Rmin = pUserLimits->GetUserMinRange(aTrack); |
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| 114 | if (Rmin > DBL_MIN) { |
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| 115 | temp = RangeNow - Rmin; |
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| 116 | if (temp < 0.) return 0.; |
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| 117 | if (ProposedStep > temp) ProposedStep = temp; |
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| 118 | } |
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| 119 | |
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| 120 | // min kinetic energy (only for charged particle) |
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| 121 | // |
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| 122 | G4double Emin = pUserLimits->GetUserMinEkine(aTrack); |
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| 123 | if (Emin > DBL_MIN) { |
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| 124 | Rmin = theLossTableManager->GetRange(Particle,Emin,couple); |
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| 125 | temp = RangeNow - Rmin; |
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| 126 | if (temp < 0.) return 0.; |
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| 127 | if (ProposedStep > temp) ProposedStep = temp; |
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| 128 | } |
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| 129 | } |
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| 130 | } |
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| 131 | return ProposedStep; |
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| 132 | } |
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| 133 | |
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| 134 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 135 | |
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| 136 | G4VParticleChange* |
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| 137 | G4UserSpecialCuts::PostStepDoIt( const G4Track& aTrack, |
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| 138 | const G4Step& ) |
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| 139 | // |
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| 140 | // Kill the current particle, if requested by G4UserLimits |
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| 141 | // |
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| 142 | { |
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| 143 | aParticleChange.Initialize(aTrack); |
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| 144 | aParticleChange.ProposeEnergy(0.) ; |
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| 145 | aParticleChange.ProposeLocalEnergyDeposit(aTrack.GetKineticEnergy()) ; |
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| 146 | aParticleChange.ProposeTrackStatus(fStopAndKill); |
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| 147 | return &aParticleChange; |
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| 148 | } |
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| 149 | |
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| 150 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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