| 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: G4VoxelNavigation.hh,v 1.8 2010/11/04 12:13:30 japost Exp $
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| 28 | // GEANT4 tag $Name: geant4-09-04-ref-00 $
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| 29 | //
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| 30 | //
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| 31 | // class G4VoxelNavigation
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| 32 | //
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| 33 | // Class description:
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| 34 | //
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| 35 | // Utility for navigation in volumes containing only G4PVPlacement
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| 36 | // daughter volumes for which voxels have been constructed.
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| 37 |
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| 38 | // History:
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| 39 | // - Created. Paul Kent, Aug 96
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| 40 | // --------------------------------------------------------------------
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| 41 | #ifndef G4VOXELNAVIGATION_HH
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| 42 | #define G4VOXELNAVIGATION_HH
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| 43 |
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| 44 | #include "geomdefs.hh"
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| 45 | #include "G4NavigationHistory.hh"
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| 46 | #include "G4NavigationLogger.hh"
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| 47 | #include "G4AffineTransform.hh"
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| 48 | #include "G4VPhysicalVolume.hh"
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| 49 | #include "G4LogicalVolume.hh"
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| 50 | #include "G4VSolid.hh"
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| 51 | #include "G4ThreeVector.hh"
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| 52 |
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| 53 | #include "G4BlockingList.hh"
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| 54 |
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| 55 | class G4VoxelSafety;
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| 56 |
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| 57 | // Required for inline implementation
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| 58 | //
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| 59 | #include "G4AuxiliaryNavServices.hh"
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| 60 |
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| 61 | // Required for voxel handling & voxel stack
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| 62 | //
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| 63 | #include <vector>
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| 64 | #include "G4SmartVoxelProxy.hh"
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| 65 | #include "G4SmartVoxelNode.hh"
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| 66 | #include "G4SmartVoxelHeader.hh"
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| 67 |
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| 68 | class G4VoxelNavigation
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| 69 | {
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| 70 | public: // with description
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| 71 |
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| 72 | G4VoxelNavigation();
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| 73 | virtual ~G4VoxelNavigation();
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| 74 |
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| 75 | G4SmartVoxelNode* VoxelLocate( G4SmartVoxelHeader* pHead,
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| 76 | const G4ThreeVector& localPoint );
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| 77 |
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| 78 | virtual G4bool LevelLocate( G4NavigationHistory& history,
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| 79 | const G4VPhysicalVolume* blockedVol,
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| 80 | const G4int blockedNum,
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| 81 | const G4ThreeVector& globalPoint,
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| 82 | const G4ThreeVector* globalDirection,
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| 83 | const G4bool pLocatedOnEdge,
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| 84 | G4ThreeVector& localPoint );
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| 85 |
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| 86 | virtual G4double ComputeStep( const G4ThreeVector& globalPoint,
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| 87 | const G4ThreeVector& globalDirection,
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| 88 | const G4double currentProposedStepLength,
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| 89 | G4double& newSafety,
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| 90 | G4NavigationHistory& history,
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| 91 | G4bool& validExitNormal,
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| 92 | G4ThreeVector& exitNormal,
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| 93 | G4bool& exiting,
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| 94 | G4bool& entering,
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| 95 | G4VPhysicalVolume *(*pBlockedPhysical),
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| 96 | G4int& blockedReplicaNo );
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| 97 |
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| 98 | virtual G4double ComputeSafety( const G4ThreeVector& globalpoint,
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| 99 | const G4NavigationHistory& history,
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| 100 | const G4double pMaxLength=DBL_MAX );
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| 101 |
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| 102 | inline G4int GetVerboseLevel() const;
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| 103 | void SetVerboseLevel(G4int level);
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| 104 | // Get/Set Verbose(ness) level.
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| 105 | // [if level>0 && G4VERBOSE, printout can occur]
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| 106 |
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| 107 | inline void CheckMode(G4bool mode);
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| 108 | // Run navigation in "check-mode", therefore using additional
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| 109 | // verifications and more strict correctness conditions.
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| 110 | // Is effective only with G4VERBOSE set.
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| 111 |
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| 112 | inline void EnableBestSafety( G4bool flag= false );
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| 113 | // Enable best-possible evaluation of isotropic safety
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| 114 |
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| 115 | protected:
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| 116 |
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| 117 | G4double ComputeVoxelSafety( const G4ThreeVector& localPoint ) const;
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| 118 | G4bool LocateNextVoxel( const G4ThreeVector& localPoint,
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| 119 | const G4ThreeVector& localDirection,
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| 120 | const G4double currentStep );
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| 121 |
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| 122 | G4SmartVoxelNode* VoxelLocateLight( G4SmartVoxelHeader* pHead,
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| 123 | const G4ThreeVector& localPoint ) const;
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| 124 |
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| 125 | private: // Logging functions
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| 126 |
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| 127 | void PreComputeStepLog (const G4VPhysicalVolume* motherPhysical,
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| 128 | G4double motherSafety,
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| 129 | const G4ThreeVector& localPoint);
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| 130 | void AlongComputeStepLog(const G4VSolid* sampleSolid,
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| 131 | const G4ThreeVector& samplePoint,
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| 132 | const G4ThreeVector& sampleDirection,
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| 133 | const G4ThreeVector& localDirection,
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| 134 | G4double sampleSafety,
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| 135 | G4double sampleStep);
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| 136 | void PostComputeStepLog (const G4VSolid* motherSolid,
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| 137 | const G4ThreeVector& localPoint,
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| 138 | const G4ThreeVector& localDirection,
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| 139 | G4double motherStep,
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| 140 | G4double motherSafety);
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| 141 | void ComputeSafetyLog (const G4VSolid* solid,
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| 142 | const G4ThreeVector& point,
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| 143 | G4double safety,
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| 144 | G4bool banner);
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| 145 | inline void PrintDaughterLog (const G4VSolid* sampleSolid,
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| 146 | const G4ThreeVector& samplePoint,
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| 147 | G4double sampleSafety,
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| 148 | G4double sampleStep);
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| 149 | protected:
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| 150 |
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| 151 | G4BlockingList fBList;
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| 152 | // Blocked volumes
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| 153 |
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| 154 | //
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| 155 | // BEGIN Voxel Stack information
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| 156 | //
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| 157 |
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| 158 | G4int fVoxelDepth;
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| 159 | // Note: fVoxelDepth==0+ => fVoxelAxisStack(0+) contains axes of voxel
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| 160 | // fVoxelDepth==-1 -> not in voxel
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| 161 |
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| 162 | std::vector<EAxis> fVoxelAxisStack;
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| 163 | // Voxel axes
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| 164 |
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| 165 | std::vector<G4int> fVoxelNoSlicesStack;
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| 166 | // No slices per voxel at each level
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| 167 |
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| 168 | std::vector<G4double> fVoxelSliceWidthStack;
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| 169 | // Width of voxels at each level
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| 170 |
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| 171 | std::vector<G4int> fVoxelNodeNoStack;
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| 172 | // Node no point is inside at each level
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| 173 |
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| 174 | std::vector<G4SmartVoxelHeader*> fVoxelHeaderStack;
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| 175 | // Voxel headers at each level
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| 176 |
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| 177 | G4SmartVoxelNode* fVoxelNode;
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| 178 | // Node containing last located point
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| 179 |
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| 180 | //
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| 181 | // END Voxel Stack information
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| 182 | //
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| 183 |
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| 184 | G4VoxelSafety *fpVoxelSafety;
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| 185 | // Helper object for Voxel Safety
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| 186 |
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| 187 | G4bool fCheck;
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| 188 | G4bool fBestSafety;
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| 189 |
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| 190 | G4NavigationLogger* fLogger;
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| 191 | // Verbosity logger
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| 192 | };
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| 193 |
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| 194 | #include "G4VoxelNavigation.icc"
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| 195 |
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| 196 | #endif
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