[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: G4FastTrack.hh,v 1.8 2007/05/11 13:50:20 mverderi Exp $ |
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| 28 | // GEANT4 tag $Name: $ |
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| 29 | // |
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| 30 | // $Id: |
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| 31 | //--------------------------------------------------------------- |
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| 32 | // |
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| 33 | // G4FastTrack.hh |
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| 34 | // |
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| 35 | // Description: |
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| 36 | // Keeps the current track information and special features |
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| 37 | // for Parameterised Simulation Models. |
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| 38 | // |
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| 39 | // History: |
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| 40 | // Oct 97: Verderi && MoraDeFreitas - First Implementation. |
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| 41 | // |
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| 42 | //--------------------------------------------------------------- |
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| 43 | |
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| 44 | |
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| 45 | #ifndef G4FastTrack_h |
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| 46 | #define G4FastTrack_h |
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| 47 | |
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| 48 | #include "G4VSolid.hh" |
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| 49 | #include "G4LogicalVolume.hh" |
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| 50 | #include "G4Region.hh" |
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| 51 | #include "G4AffineTransform.hh" |
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| 52 | #include "G4Track.hh" |
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| 53 | #include "G4Navigator.hh" |
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| 54 | |
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| 55 | //--------------------------- |
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| 56 | // For possible future needs: |
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| 57 | //--------------------------- |
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| 58 | typedef G4Region G4Envelope; |
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| 59 | |
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| 60 | |
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| 61 | //------------------------------------------- |
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| 62 | // |
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| 63 | // G4FastTrack class |
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| 64 | // |
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| 65 | //------------------------------------------- |
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| 66 | |
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| 67 | // Class Description: |
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| 68 | // The G4FastTrack provides you access to the current G4Track, |
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| 69 | // gives simple access to envelope related features (G4Region, |
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| 70 | // G4LogicalVolume, G4VSolid, G4AffineTransform references between |
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| 71 | // the global and the envelope local coordinates systems) and |
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| 72 | // simple access to the position, momentum expressed in the |
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| 73 | // envelope coordinate system. Using those quantities and the |
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| 74 | // G4VSolid methods, you can for example easily check how far you |
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| 75 | // are from the envelope boundary. |
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| 76 | // |
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| 77 | |
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| 78 | |
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| 79 | class G4FastTrack |
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| 80 | { |
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| 81 | public: // without description |
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| 82 | //------------------------ |
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| 83 | // Constructor/Destructor |
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| 84 | //------------------------ |
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| 85 | // Only one Constructor. By default the envelope can |
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| 86 | // be placed n-Times. If the user is sure that it'll be |
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| 87 | // placed just one time, the IsUnique flag should be set |
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| 88 | // TRUE to avoid the G4AffineTransform re-calculations each |
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| 89 | // time we reach the envelope. |
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| 90 | G4FastTrack(G4Envelope *anEnvelope, |
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| 91 | G4bool IsUnique); |
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| 92 | ~G4FastTrack(); |
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| 93 | |
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| 94 | //------------------------------------------------------------ |
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| 95 | // The fast simulation manager uses the SetCurrentTrack |
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| 96 | // method to setup the current G4FastTrack object |
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| 97 | //------------------------------------------------------------ |
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| 98 | void SetCurrentTrack(const G4Track&, const G4Navigator* a = 0); |
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| 99 | |
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| 100 | //------------------------------------------------------------ |
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| 101 | // The fast simulation manager uses the OnTheBoundaryButExiting |
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| 102 | // method to test if the particle is leaving the envelope. |
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| 103 | //------------------------------------------------------------ |
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| 104 | G4bool OnTheBoundaryButExiting() const; |
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| 105 | |
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| 106 | //---------------------------------- |
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| 107 | // Informations useful to the user : |
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| 108 | // General public get functions. |
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| 109 | //---------------------------------- |
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| 110 | |
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| 111 | public: // with Description |
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| 112 | |
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| 113 | const G4Track* GetPrimaryTrack() const; |
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| 114 | // Returns the current G4Track. |
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| 115 | |
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| 116 | G4Envelope* GetEnvelope() const; |
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| 117 | // Returns the Envelope G4Region pointer. |
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| 118 | |
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| 119 | G4LogicalVolume* GetEnvelopeLogicalVolume() const; |
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| 120 | // Returns the Envelope G4LogicalVolume pointer. |
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| 121 | |
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| 122 | G4VPhysicalVolume* GetEnvelopePhysicalVolume() const; |
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| 123 | // Returns the Envelope G4VPhysicalVolume pointer. |
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| 124 | |
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| 125 | G4VSolid* GetEnvelopeSolid() const; |
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| 126 | // Returns the Envelope G4VSolid pointer. |
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| 127 | |
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| 128 | //----------------------------------- |
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| 129 | // Primary track informations in the |
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| 130 | // Envelope coordinate system. |
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| 131 | //----------------------------------- |
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| 132 | |
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| 133 | G4ThreeVector GetPrimaryTrackLocalPosition() const; |
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| 134 | // Returns the particle position in envelope coordinates. |
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| 135 | |
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| 136 | G4ThreeVector GetPrimaryTrackLocalMomentum() const; |
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| 137 | // Returns the particle momentum in envelope coordinates. |
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| 138 | |
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| 139 | G4ThreeVector GetPrimaryTrackLocalDirection() const; |
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| 140 | // Returns the particle direction in envelope coordinates. |
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| 141 | |
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| 142 | G4ThreeVector GetPrimaryTrackLocalPolarization() const; |
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| 143 | // Returns the particle polarization in envelope coordinates. |
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| 144 | |
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| 145 | //------------------------------------ |
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| 146 | // 3D transformation of the envelope: |
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| 147 | //------------------------------------ |
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| 148 | // Global -> Local |
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| 149 | |
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| 150 | const G4AffineTransform* GetAffineTransformation() const; |
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| 151 | // Returns the envelope Global -> Local G4AffineTransform |
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| 152 | |
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| 153 | // Local -> Global |
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| 154 | const G4AffineTransform* GetInverseAffineTransformation() const; |
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| 155 | // Returns the envelope Local -> Global G4AffineTransform |
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| 156 | |
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| 157 | //----------------- |
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| 158 | // Private members |
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| 159 | //----------------- |
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| 160 | private: |
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| 161 | |
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| 162 | // Current G4Track pointer |
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| 163 | const G4Track* fTrack; |
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| 164 | |
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| 165 | //------------------------------------------------ |
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| 166 | // Records the Affine/InverseAffine transformation |
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| 167 | // of the envelope. |
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| 168 | //------------------------------------------------ |
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| 169 | void FRecordsAffineTransformation(const G4Navigator*); |
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| 170 | G4bool fAffineTransformationDefined; |
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| 171 | G4Envelope* fEnvelope; |
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| 172 | G4bool fIsUnique; |
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| 173 | G4LogicalVolume* fEnvelopeLogicalVolume; |
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| 174 | G4VPhysicalVolume* fEnvelopePhysicalVolume; |
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| 175 | G4VSolid* fEnvelopeSolid; |
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| 176 | G4ThreeVector fLocalTrackPosition, |
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| 177 | fLocalTrackMomentum, |
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| 178 | fLocalTrackDirection, |
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| 179 | fLocalTrackPolarization; |
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| 180 | G4AffineTransform fAffineTransformation, |
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| 181 | fInverseAffineTransformation; |
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| 182 | }; |
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| 183 | |
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| 184 | |
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| 185 | // ----------------- |
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| 186 | // -- Inline methods |
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| 187 | // ----------------- |
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| 188 | |
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| 189 | inline G4Envelope* G4FastTrack::GetEnvelope() const |
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| 190 | { |
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| 191 | return fEnvelope; |
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| 192 | } |
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| 193 | |
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| 194 | inline G4LogicalVolume* G4FastTrack::GetEnvelopeLogicalVolume() const |
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| 195 | { |
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| 196 | return fEnvelopeLogicalVolume; |
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| 197 | } |
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| 198 | |
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| 199 | inline G4VPhysicalVolume* G4FastTrack::GetEnvelopePhysicalVolume() const |
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| 200 | { |
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| 201 | return fEnvelopePhysicalVolume; |
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| 202 | } |
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| 203 | |
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| 204 | inline G4VSolid* G4FastTrack::GetEnvelopeSolid() const |
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| 205 | { |
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| 206 | return fEnvelopeSolid; |
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| 207 | } |
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| 208 | |
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| 209 | inline const G4Track* G4FastTrack::GetPrimaryTrack() const |
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| 210 | { |
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| 211 | return fTrack; |
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| 212 | } |
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| 213 | |
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| 214 | inline G4ThreeVector G4FastTrack::GetPrimaryTrackLocalPosition() const |
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| 215 | { |
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| 216 | return fLocalTrackPosition; |
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| 217 | } |
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| 218 | |
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| 219 | inline G4ThreeVector G4FastTrack::GetPrimaryTrackLocalMomentum() const |
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| 220 | { |
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| 221 | return fLocalTrackMomentum; |
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| 222 | } |
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| 223 | |
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| 224 | inline G4ThreeVector G4FastTrack::GetPrimaryTrackLocalDirection() const |
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| 225 | { |
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| 226 | return fLocalTrackDirection; |
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| 227 | } |
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| 228 | |
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| 229 | inline G4ThreeVector G4FastTrack::GetPrimaryTrackLocalPolarization() const |
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| 230 | { |
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| 231 | return fLocalTrackPolarization; |
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| 232 | } |
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| 233 | |
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| 234 | inline const G4AffineTransform* G4FastTrack::GetAffineTransformation() const |
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| 235 | { |
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| 236 | return &fAffineTransformation; |
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| 237 | } |
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| 238 | |
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| 239 | inline const G4AffineTransform* G4FastTrack::GetInverseAffineTransformation() const |
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| 240 | { |
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| 241 | return &fInverseAffineTransformation; |
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| 242 | } |
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| 243 | |
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| 244 | inline G4bool G4FastTrack::OnTheBoundaryButExiting() const |
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| 245 | { |
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| 246 | // tests if particle are on the boundary and leaving. |
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| 247 | return GetEnvelopeSolid()-> |
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| 248 | DistanceToOut(GetPrimaryTrackLocalPosition(), |
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| 249 | GetPrimaryTrackLocalDirection())==0.; |
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| 250 | } |
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| 251 | |
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| 252 | #endif |
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