[831] | 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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[921] | 27 | // $Id: G4PropagatorInField.icc,v 1.13 2008/10/29 14:31:55 gcosmo Exp $ |
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| 28 | // GEANT4 tag $Name: geant4-09-02-cand-01 $ |
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[831] | 29 | // |
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| 30 | // |
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| 31 | // ------------------------------------------------------------------------ |
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| 32 | // GEANT 4 inline implementation |
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| 33 | // |
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| 34 | // ------------------------------------------------------------------------ |
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| 35 | // |
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| 36 | // 25.10.96 John Apostolakis, design and implementation |
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| 37 | // 25.03.97 John Apostolakis, adaptation for G4Transportation and cleanup |
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| 38 | // |
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| 39 | // To create an object of this type, must have: |
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| 40 | // - an object that calculates the Curved paths |
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| 41 | // - the navigator to find (linear) intersections |
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| 42 | // - and ?? also must know the value of the maximum displacement allowed |
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| 43 | // ------------------------------------------------------------------------ |
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| 44 | |
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| 45 | inline |
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| 46 | G4ChordFinder* G4PropagatorInField::GetChordFinder() |
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| 47 | { |
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| 48 | // The "Chord Finder" of the current Field Mgr is used |
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| 49 | // -- this could be of the global field manager |
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| 50 | // or that of another, from the current volume |
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| 51 | return fCurrentFieldMgr->GetChordFinder(); |
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| 52 | } |
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| 53 | |
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| 54 | inline |
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| 55 | void G4PropagatorInField::SetChargeMomentumMass( |
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| 56 | G4double Charge, // in e+ units |
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| 57 | G4double Momentum, // in GeV/c |
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| 58 | G4double Mass) // in ? units |
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| 59 | { |
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| 60 | // GetChordFinder()->SetChargeMomentumMass(Charge, Momentum, Mass); |
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| 61 | // --> Not needed anymore, as it is done in ComputeStep for the |
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| 62 | // ChordFinder of the current step (which is known only then). |
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| 63 | fCharge = Charge; |
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| 64 | fInitialMomentumModulus = Momentum; |
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| 65 | fMass = Mass; |
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| 66 | } |
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| 67 | |
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| 68 | // Obtain the final space-point and velocity (normal) at the end of the Step |
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| 69 | // |
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| 70 | inline |
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| 71 | G4ThreeVector G4PropagatorInField::EndPosition() const |
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| 72 | { |
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| 73 | return End_PointAndTangent.GetPosition(); |
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| 74 | } |
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| 75 | |
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| 76 | inline |
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| 77 | G4ThreeVector G4PropagatorInField::EndMomentumDir() const |
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| 78 | { |
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| 79 | return End_PointAndTangent.GetMomentumDir(); |
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| 80 | } |
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| 81 | |
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| 82 | inline |
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| 83 | G4double G4PropagatorInField::GetEpsilonStep() const |
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| 84 | { |
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| 85 | return fEpsilonStep; |
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| 86 | } |
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| 87 | |
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| 88 | inline |
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| 89 | void G4PropagatorInField::SetEpsilonStep( G4double newEps ) |
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| 90 | { |
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| 91 | fEpsilonStep=newEps; |
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| 92 | } |
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| 93 | |
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| 94 | inline |
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| 95 | G4bool G4PropagatorInField::IsParticleLooping() const |
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| 96 | { |
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| 97 | return fParticleIsLooping; |
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| 98 | } |
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| 99 | |
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| 100 | inline |
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| 101 | G4int G4PropagatorInField::GetMaxLoopCount() const |
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| 102 | { |
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| 103 | return fMax_loop_count; |
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| 104 | } |
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| 105 | |
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| 106 | inline |
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| 107 | void G4PropagatorInField::SetMaxLoopCount( G4int new_max ) |
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| 108 | { |
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| 109 | fMax_loop_count = new_max; |
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| 110 | } |
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| 111 | |
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| 112 | inline |
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| 113 | G4double G4PropagatorInField::GetDeltaIntersection() const |
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| 114 | { |
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| 115 | return fCurrentFieldMgr->GetDeltaIntersection(); |
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| 116 | } |
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| 117 | |
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| 118 | inline |
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| 119 | G4double G4PropagatorInField::GetDeltaOneStep() const |
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| 120 | { |
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| 121 | return fCurrentFieldMgr->GetDeltaOneStep(); |
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| 122 | } |
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| 123 | |
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| 124 | inline |
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| 125 | void |
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| 126 | G4PropagatorInField::SetAccuraciesWithDeltaOneStep( G4double valDeltaOneStep ) |
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| 127 | { |
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| 128 | fDetectorFieldMgr->SetAccuraciesWithDeltaOneStep(valDeltaOneStep); |
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| 129 | } |
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| 130 | |
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| 131 | inline |
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| 132 | void G4PropagatorInField::SetDeltaOneStep( G4double valDeltaOneStep ) |
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| 133 | { |
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| 134 | fDetectorFieldMgr->SetDeltaOneStep(valDeltaOneStep); |
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| 135 | } |
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| 136 | |
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| 137 | inline |
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| 138 | void G4PropagatorInField::SetDeltaIntersection( G4double valDeltaIntersection ) |
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| 139 | { |
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| 140 | fDetectorFieldMgr->SetDeltaIntersection(valDeltaIntersection); |
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| 141 | } |
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| 142 | |
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| 143 | inline |
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| 144 | G4int G4PropagatorInField::GetVerboseLevel() const |
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| 145 | { |
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| 146 | return fVerboseLevel; |
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| 147 | } |
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| 148 | inline |
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| 149 | G4int G4PropagatorInField::Verbose() const // Obsolete |
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| 150 | { |
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| 151 | return GetVerboseLevel(); |
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| 152 | } |
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| 153 | |
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| 154 | inline |
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| 155 | G4FieldTrack G4PropagatorInField::GetEndState() const |
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| 156 | { |
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| 157 | return End_PointAndTangent; |
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| 158 | } |
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| 159 | |
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| 160 | // Minimum for Relative accuracy of a Step in volumes of global field |
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| 161 | inline |
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| 162 | G4double G4PropagatorInField::GetMinimumEpsilonStep() const |
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| 163 | { |
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| 164 | return fDetectorFieldMgr->GetMinimumEpsilonStep(); |
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| 165 | } |
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| 166 | |
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| 167 | inline |
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| 168 | void G4PropagatorInField::SetMinimumEpsilonStep( G4double newEpsMin ) |
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| 169 | { |
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| 170 | fDetectorFieldMgr->SetMinimumEpsilonStep(newEpsMin); |
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| 171 | } |
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| 172 | |
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| 173 | // Maximum for Relative accuracy of any Step |
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| 174 | inline |
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| 175 | G4double G4PropagatorInField::GetMaximumEpsilonStep() const |
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| 176 | { |
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| 177 | return fDetectorFieldMgr->GetMaximumEpsilonStep(); |
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| 178 | } |
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| 179 | |
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| 180 | inline |
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| 181 | void G4PropagatorInField::SetMaximumEpsilonStep( G4double newEpsMax ) |
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| 182 | { |
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| 183 | fDetectorFieldMgr->SetMaximumEpsilonStep( newEpsMax ); |
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| 184 | } |
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| 185 | |
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| 186 | inline |
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| 187 | void G4PropagatorInField::SetLargestAcceptableStep( G4double newBigDist ) |
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| 188 | { |
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| 189 | if( fLargestAcceptableStep>0.0 ) |
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| 190 | { |
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| 191 | fLargestAcceptableStep = newBigDist; |
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| 192 | } |
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| 193 | } |
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| 194 | |
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| 195 | inline |
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| 196 | G4double G4PropagatorInField::GetLargestAcceptableStep() |
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| 197 | { |
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| 198 | return fLargestAcceptableStep; |
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| 199 | } |
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| 200 | |
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| 201 | inline |
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| 202 | G4FieldManager* G4PropagatorInField::GetCurrentFieldManager() |
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| 203 | { |
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| 204 | return fCurrentFieldMgr; |
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| 205 | } |
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| 206 | |
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| 207 | inline |
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| 208 | void G4PropagatorInField::SetThresholdNoZeroStep( G4int noAct, |
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| 209 | G4int noHarsh, |
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| 210 | G4int noAbandon ) |
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| 211 | { |
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| 212 | if( noAct>0 ) |
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| 213 | fActionThreshold_NoZeroSteps = noAct; |
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| 214 | |
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| 215 | if( noHarsh > fActionThreshold_NoZeroSteps ) |
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| 216 | fSevereActionThreshold_NoZeroSteps = noHarsh; |
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| 217 | else |
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| 218 | fSevereActionThreshold_NoZeroSteps = 2*(fActionThreshold_NoZeroSteps+1); |
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| 219 | |
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| 220 | if( noAbandon > fSevereActionThreshold_NoZeroSteps+5 ) |
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| 221 | fAbandonThreshold_NoZeroSteps = noAbandon; |
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| 222 | else |
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| 223 | fAbandonThreshold_NoZeroSteps = 2*(fSevereActionThreshold_NoZeroSteps+3); |
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| 224 | } |
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| 225 | |
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| 226 | inline |
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| 227 | G4int G4PropagatorInField::GetThresholdNoZeroSteps( G4int i ) |
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| 228 | { |
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| 229 | G4int t=0; |
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| 230 | if( i==0 ) { t = 3; } // No of parameters |
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| 231 | else if (i==1) { t = fActionThreshold_NoZeroSteps; } |
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| 232 | else if (i==2) { t = fSevereActionThreshold_NoZeroSteps; } |
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| 233 | else if (i==3) { t = fAbandonThreshold_NoZeroSteps; } |
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| 234 | |
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| 235 | return t; |
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| 236 | } |
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| 237 | |
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| 238 | inline |
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| 239 | void G4PropagatorInField::SetDetectorFieldManager(G4FieldManager* newDetectorFieldManager) |
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| 240 | { |
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| 241 | fDetectorFieldMgr = newDetectorFieldManager; |
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| 242 | } |
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| 243 | |
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| 244 | |
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| 245 | inline |
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| 246 | void G4PropagatorInField:: SetUseSafetyForOptimization( G4bool value ) |
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| 247 | { |
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| 248 | fUseSafetyForOptimisation= value; |
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| 249 | } |
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| 250 | |
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| 251 | inline |
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| 252 | G4bool G4PropagatorInField::GetUseSafetyForOptimization() |
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| 253 | { |
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| 254 | return fUseSafetyForOptimisation; |
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| 255 | } |
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| 256 | |
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| 257 | inline |
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| 258 | void G4PropagatorInField:: |
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| 259 | SetNavigatorForPropagating( G4Navigator *SimpleOrMultiNavigator ) |
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| 260 | { |
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| 261 | if(SimpleOrMultiNavigator) { fNavigator= SimpleOrMultiNavigator; } |
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| 262 | } |
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| 263 | |
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| 264 | inline |
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| 265 | G4Navigator* G4PropagatorInField::GetNavigatorForPropagating() |
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| 266 | { |
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| 267 | return fNavigator; |
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| 268 | } |
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[850] | 269 | |
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[921] | 270 | inline |
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| 271 | void G4PropagatorInField:: |
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| 272 | SetIntersectionLocator( G4VIntersectionLocator *pIntLoc ) |
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[850] | 273 | { |
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[921] | 274 | if(pIntLoc) { fIntersectionLocator= pIntLoc; } |
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[850] | 275 | } |
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[921] | 276 | |
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[850] | 277 | inline |
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[921] | 278 | G4VIntersectionLocator* G4PropagatorInField::GetIntersectionLocator() |
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[850] | 279 | { |
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[921] | 280 | return fIntersectionLocator; |
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| 281 | } |
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| 282 | |
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| 283 | inline |
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| 284 | G4bool G4PropagatorInField::IntersectChord( G4ThreeVector StartPointA, |
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| 285 | G4ThreeVector EndPointB, |
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| 286 | G4double &NewSafety, |
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| 287 | G4double &LinearStepLength, |
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| 288 | G4ThreeVector &IntersectionPoint ) |
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| 289 | { |
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| 290 | // Calculate the direction and length of the chord AB |
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| 291 | // |
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| 292 | return fIntersectionLocator |
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| 293 | ->IntersectChord(StartPointA,EndPointB,NewSafety, |
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| 294 | fPreviousSafety,fPreviousSftOrigin, |
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| 295 | LinearStepLength,IntersectionPoint); |
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[850] | 296 | } |
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