| 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: G4ParameterisedNavigation.hh,v 1.6 2007/11/09 16:06:02 gcosmo Exp $
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| 28 | // GEANT4 tag $Name: geant4-09-04-beta-01 $
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| 29 | //
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| 30 | //
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| 31 | // class G4ParameterisedNavigation
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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 a single G4PVParameterised
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| 36 | // volume for which voxels for the replicated volumes have been constructed.
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| 37 | // [Voxels MUST be along one axis only: NOT refined]
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| 38 |
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| 39 | // History:
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| 40 | // - Created. Paul Kent, Aug 96
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| 41 | // --------------------------------------------------------------------
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| 42 | #ifndef G4PARAMETERISEDNAVIGATION_HH
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| 43 | #define G4PARAMETERISEDNAVIGATION_HH
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| 44 |
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| 45 | #include "G4Types.hh"
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| 46 |
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| 47 | #include <vector>
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| 48 |
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| 49 | #include "G4VoxelNavigation.hh"
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| 50 | #include "G4NavigationHistory.hh"
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| 51 | #include "G4AffineTransform.hh"
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| 52 | #include "G4VPhysicalVolume.hh"
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| 53 | #include "G4VPVParameterisation.hh"
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| 54 | #include "G4LogicalVolume.hh"
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| 55 | #include "G4VSolid.hh"
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| 56 | #include "G4ThreeVector.hh"
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| 57 | #include "G4BlockingList.hh"
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| 58 |
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| 59 | class G4ParameterisedNavigation : public G4VoxelNavigation
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| 60 | {
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| 61 | public: // with description
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| 62 |
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| 63 | G4ParameterisedNavigation();
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| 64 | ~G4ParameterisedNavigation();
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| 65 |
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| 66 | inline G4SmartVoxelNode* ParamVoxelLocate( G4SmartVoxelHeader* pHead,
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| 67 | const G4ThreeVector& localPoint );
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| 68 |
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| 69 | G4bool LevelLocate( G4NavigationHistory& history,
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| 70 | const G4VPhysicalVolume* blockedVol,
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| 71 | const G4int blockedNum,
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| 72 | const G4ThreeVector& globalPoint,
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| 73 | const G4ThreeVector* globalDirection,
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| 74 | const G4bool pLocatedOnEdge,
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| 75 | G4ThreeVector& localPoint );
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| 76 |
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| 77 | G4double ComputeStep( const G4ThreeVector& globalPoint,
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| 78 | const G4ThreeVector& globalDirection,
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| 79 | const G4double currentProposedStepLength,
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| 80 | G4double& newSafety,
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| 81 | G4NavigationHistory& history,
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| 82 | G4bool& validExitNormal,
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| 83 | G4ThreeVector& exitNormal,
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| 84 | G4bool& exiting,
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| 85 | G4bool& entering,
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| 86 | G4VPhysicalVolume *(*pBlockedPhysical),
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| 87 | G4int& blockedReplicaNo );
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| 88 |
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| 89 | G4double ComputeSafety( const G4ThreeVector& localPoint,
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| 90 | const G4NavigationHistory& history,
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| 91 | const G4double pProposedMaxLength=DBL_MAX );
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| 92 |
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| 93 | private:
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| 94 |
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| 95 | G4double ComputeVoxelSafety( const G4ThreeVector& localPoint,
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| 96 | const EAxis pAxis ) const;
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| 97 | G4bool LocateNextVoxel( const G4ThreeVector& localPoint,
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| 98 | const G4ThreeVector& localDirection,
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| 99 | const G4double currentStep,
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| 100 | const EAxis pAxis );
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| 101 | private:
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| 102 |
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| 103 | // Necessary to resolve cases with nested parameterisations
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| 104 |
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| 105 | inline G4VSolid* IdentifyAndPlaceSolid( G4int num,
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| 106 | G4VPhysicalVolume* apparentPhys,
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| 107 | G4VPVParameterisation* curParam );
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| 108 | // Call virtual 'Compute' methods, and copy information if nested.
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| 109 | // 'ApparentPhys' is potentially a PhysV or PhysT.
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| 110 |
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| 111 | G4VPhysicalVolume* CreateVolumeWithParent(G4VPhysicalVolume* curPhysical,
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| 112 | const G4NavigationHistory& hist );
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| 113 | // Create necessary parent touchable and physical with parent.
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| 114 |
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| 115 | private:
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| 116 |
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| 117 | // Voxel Stack information (for 1D optimisation only)
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| 118 | //
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| 119 | EAxis fVoxelAxis;
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| 120 | G4int fVoxelNoSlices;
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| 121 | G4double fVoxelSliceWidth;
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| 122 | G4int fVoxelNodeNo;
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| 123 | G4SmartVoxelHeader* fVoxelHeader;
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| 124 | };
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| 125 |
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| 126 | #include "G4ParameterisedNavigation.icc"
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| 127 |
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| 128 | #endif
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