[831] | 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 | // |
---|
| 27 | // $Id: G4FieldManager.cc,v 1.15 2007/12/07 15:34:10 japost Exp $ |
---|
[1231] | 28 | // GEANT4 tag $Name: $ |
---|
[831] | 29 | // |
---|
| 30 | // ------------------------------------------------------------------- |
---|
| 31 | |
---|
| 32 | #include "G4FieldManager.hh" |
---|
| 33 | #include "G4Field.hh" |
---|
| 34 | #include "G4MagneticField.hh" |
---|
| 35 | #include "G4ChordFinder.hh" |
---|
| 36 | #include "G4FieldManagerStore.hh" |
---|
| 37 | |
---|
| 38 | G4FieldManager::G4FieldManager(G4Field *detectorField, |
---|
| 39 | G4ChordFinder *pChordFinder, |
---|
| 40 | G4bool fieldChangesEnergy |
---|
| 41 | ) |
---|
| 42 | : fDetectorField(detectorField), |
---|
| 43 | fChordFinder(pChordFinder), |
---|
| 44 | fAllocatedChordFinder(false), |
---|
| 45 | fDefault_Delta_One_Step_Value(0.01*mm), |
---|
| 46 | fDefault_Delta_Intersection_Val(0.001*mm), |
---|
| 47 | fEpsilonMinDefault(5.0e-5), |
---|
| 48 | fEpsilonMaxDefault(0.001), |
---|
| 49 | fEpsilonMin( fEpsilonMinDefault ), |
---|
| 50 | fEpsilonMax( fEpsilonMaxDefault) |
---|
| 51 | { |
---|
| 52 | fDelta_One_Step_Value= fDefault_Delta_One_Step_Value; |
---|
| 53 | fDelta_Intersection_Val= fDefault_Delta_Intersection_Val; |
---|
| 54 | if ( detectorField ) |
---|
| 55 | fFieldChangesEnergy= detectorField->DoesFieldChangeEnergy(); |
---|
| 56 | else |
---|
| 57 | fFieldChangesEnergy= fieldChangesEnergy; |
---|
| 58 | |
---|
| 59 | // Add to store |
---|
| 60 | G4FieldManagerStore::Register(this); |
---|
| 61 | |
---|
| 62 | } |
---|
| 63 | |
---|
| 64 | G4FieldManager::G4FieldManager(G4MagneticField *detectorField) |
---|
| 65 | : fDetectorField(detectorField), fAllocatedChordFinder(true), |
---|
| 66 | fFieldChangesEnergy(false), |
---|
| 67 | fDefault_Delta_One_Step_Value(0.01*mm), |
---|
| 68 | fDefault_Delta_Intersection_Val(0.001*mm), |
---|
| 69 | fEpsilonMinDefault(5.0e-5), |
---|
| 70 | fEpsilonMaxDefault(0.001), |
---|
| 71 | fEpsilonMin( fEpsilonMinDefault ), |
---|
| 72 | fEpsilonMax( fEpsilonMaxDefault) |
---|
| 73 | { |
---|
| 74 | fChordFinder= new G4ChordFinder( detectorField ); |
---|
| 75 | fDelta_One_Step_Value= fDefault_Delta_One_Step_Value; |
---|
| 76 | fDelta_Intersection_Val= fDefault_Delta_Intersection_Val; |
---|
| 77 | // Add to store |
---|
| 78 | G4FieldManagerStore::Register(this); |
---|
| 79 | } |
---|
| 80 | |
---|
| 81 | void G4FieldManager::ConfigureForTrack( const G4Track * ) |
---|
| 82 | { |
---|
| 83 | // Default is to do nothing! |
---|
| 84 | ; |
---|
| 85 | } |
---|
| 86 | |
---|
| 87 | G4FieldManager::~G4FieldManager() |
---|
| 88 | { |
---|
| 89 | if( fAllocatedChordFinder ){ |
---|
| 90 | delete fChordFinder; |
---|
| 91 | } |
---|
| 92 | G4FieldManagerStore::DeRegister(this); |
---|
| 93 | } |
---|
| 94 | |
---|
| 95 | void |
---|
| 96 | G4FieldManager::CreateChordFinder(G4MagneticField *detectorMagField) |
---|
| 97 | { |
---|
| 98 | if ( fAllocatedChordFinder ) |
---|
| 99 | delete fChordFinder; |
---|
| 100 | fChordFinder= new G4ChordFinder( detectorMagField ); |
---|
| 101 | fAllocatedChordFinder= true; |
---|
| 102 | } |
---|
| 103 | |
---|
| 104 | G4bool G4FieldManager::SetDetectorField(G4Field *pDetectorField) |
---|
| 105 | { |
---|
| 106 | fDetectorField= pDetectorField; |
---|
| 107 | |
---|
| 108 | if ( pDetectorField ) |
---|
| 109 | fFieldChangesEnergy= pDetectorField->DoesFieldChangeEnergy(); |
---|
| 110 | else |
---|
| 111 | fFieldChangesEnergy= false; // No field |
---|
| 112 | |
---|
| 113 | return false; |
---|
| 114 | } |
---|
| 115 | |
---|