| 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: G4Cons.hh,v 1.22 2009/03/31 09:56:24 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 | // --------------------------------------------------------------------
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| 32 | // GEANT 4 class header file
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| 33 | //
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| 34 | // G4Cons
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| 35 | //
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| 36 | // Class description:
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| 37 | //
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| 38 | // A G4Cons is, in the general case, a Phi segment of a cone, with
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| 39 | // half-length fDz, inner and outer radii specified at -fDz and +fDz.
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| 40 | // The Phi segment is described by a starting fSPhi angle, and the
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| 41 | // +fDPhi delta angle for the shape.
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| 42 | // If the delta angle is >=2*pi, the shape is treated as continuous
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| 43 | // in Phi
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| 44 | //
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| 45 | // Member Data:
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| 46 | //
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| 47 | // fRmin1 inside radius at -fDz
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| 48 | // fRmin2 inside radius at +fDz
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| 49 | // fRmax1 outside radius at -fDz
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| 50 | // fRmax2 outside radius at +fDz
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| 51 | // fDz half length in z
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| 52 | //
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| 53 | // fSPhi starting angle of the segment in radians
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| 54 | // fDPhi delta angle of the segment in radians
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| 55 | //
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| 56 | // fPhiFullCone Boolean variable used for indicate the Phi Section
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| 57 | //
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| 58 | // Note:
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| 59 | // Internally fSPhi & fDPhi are adjusted so that fDPhi<=2PI,
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| 60 | // and fDPhi+fSPhi<=2PI. This enables simpler comparisons to be
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| 61 | // made with (say) Phi of a point.
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| 62 |
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| 63 | // History:
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| 64 | // 19.3.94 P.Kent: Old C++ code converted to tolerant geometry
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| 65 | // 13.9.96 V.Grichine: Final modifications to commit
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| 66 | // --------------------------------------------------------------------
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| 67 |
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| 68 | #ifndef G4Cons_HH
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| 69 | #define G4Cons_HH
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| 70 |
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| 71 | #include "G4CSGSolid.hh"
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| 72 |
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| 73 | class G4Cons : public G4CSGSolid
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| 74 | {
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| 75 | public: // with description
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| 76 |
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| 77 | G4Cons(const G4String& pName,
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| 78 | G4double pRmin1, G4double pRmax1,
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| 79 | G4double pRmin2, G4double pRmax2,
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| 80 | G4double pDz,
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| 81 | G4double pSPhi, G4double pDPhi);
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| 82 | //
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| 83 | // Constructs a cone with the given name and dimensions
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| 84 |
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| 85 | ~G4Cons() ;
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| 86 | //
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| 87 | // Destructor
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| 88 |
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| 89 | // Accessors
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| 90 |
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| 91 | inline G4double GetInnerRadiusMinusZ() const;
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| 92 | inline G4double GetOuterRadiusMinusZ() const;
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| 93 | inline G4double GetInnerRadiusPlusZ() const;
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| 94 | inline G4double GetOuterRadiusPlusZ() const;
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| 95 | inline G4double GetZHalfLength() const;
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| 96 | inline G4double GetStartPhiAngle() const;
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| 97 | inline G4double GetDeltaPhiAngle() const;
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| 98 |
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| 99 | // Modifiers
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| 100 |
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| 101 | inline void SetInnerRadiusMinusZ (G4double Rmin1 );
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| 102 | inline void SetOuterRadiusMinusZ (G4double Rmax1 );
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| 103 | inline void SetInnerRadiusPlusZ (G4double Rmin2 );
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| 104 | inline void SetOuterRadiusPlusZ (G4double Rmax2 );
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| 105 | inline void SetZHalfLength (G4double newDz );
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| 106 | inline void SetStartPhiAngle (G4double newSPhi, G4bool trig=true);
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| 107 | inline void SetDeltaPhiAngle (G4double newDPhi);
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| 108 |
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| 109 | // Other methods for solid
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| 110 |
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| 111 | inline G4double GetCubicVolume();
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| 112 | inline G4double GetSurfaceArea();
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| 113 |
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| 114 | void ComputeDimensions( G4VPVParameterisation* p,
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| 115 | const G4int n,
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| 116 | const G4VPhysicalVolume* pRep );
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| 117 |
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| 118 | G4bool CalculateExtent( const EAxis pAxis,
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| 119 | const G4VoxelLimits& pVoxelLimit,
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| 120 | const G4AffineTransform& pTransform,
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| 121 | G4double& pmin, G4double& pmax ) const;
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| 122 |
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| 123 | EInside Inside( const G4ThreeVector& p ) const;
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| 124 |
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| 125 | G4ThreeVector SurfaceNormal( const G4ThreeVector& p ) const;
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| 126 |
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| 127 | G4double DistanceToIn (const G4ThreeVector& p,
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| 128 | const G4ThreeVector& v) const;
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| 129 | G4double DistanceToIn (const G4ThreeVector& p) const;
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| 130 | G4double DistanceToOut(const G4ThreeVector& p,
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| 131 | const G4ThreeVector& v,
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| 132 | const G4bool calcNorm=G4bool(false),
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| 133 | G4bool *validNorm=0,
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| 134 | G4ThreeVector *n=0) const;
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| 135 | G4double DistanceToOut(const G4ThreeVector& p) const;
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| 136 |
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| 137 | G4GeometryType GetEntityType() const;
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| 138 |
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| 139 | G4ThreeVector GetPointOnSurface() const;
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| 140 |
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| 141 | std::ostream& StreamInfo(std::ostream& os) const;
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| 142 |
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| 143 | // Visualisation functions
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| 144 |
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| 145 | void DescribeYourselfTo( G4VGraphicsScene& scene ) const;
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| 146 | G4Polyhedron* CreatePolyhedron() const;
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| 147 | G4NURBS* CreateNURBS() const;
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| 148 |
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| 149 | public: // without description
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| 150 |
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| 151 | G4Cons(__void__&);
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| 152 | //
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| 153 | // Fake default constructor for usage restricted to direct object
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| 154 | // persistency for clients requiring preallocation of memory for
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| 155 | // persistifiable objects.
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| 156 |
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| 157 | // Old access functions
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| 158 |
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| 159 | inline G4double GetRmin1() const;
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| 160 | inline G4double GetRmax1() const;
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| 161 | inline G4double GetRmin2() const;
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| 162 | inline G4double GetRmax2() const;
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| 163 | inline G4double GetDz() const;
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| 164 | inline G4double GetSPhi() const;
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| 165 | inline G4double GetDPhi() const;
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| 166 |
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| 167 | private:
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| 168 |
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| 169 | G4ThreeVectorList*
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| 170 | CreateRotatedVertices(const G4AffineTransform& pTransform) const;
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| 171 |
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| 172 | inline void Initialize();
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| 173 | //
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| 174 | // Reset relevant values to zero
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| 175 |
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| 176 | inline void CheckSPhiAngle(G4double sPhi);
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| 177 | inline void CheckDPhiAngle(G4double dPhi);
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| 178 | inline void CheckPhiAngles(G4double sPhi, G4double dPhi);
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| 179 | //
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| 180 | // Reset relevant flags and angle values
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| 181 |
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| 182 | inline void InitializeTrigonometry();
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| 183 | //
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| 184 | // Recompute relevant trigonometric values and cache them
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| 185 |
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| 186 | G4ThreeVector ApproxSurfaceNormal(const G4ThreeVector& p) const;
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| 187 | //
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| 188 | // Algorithm for SurfaceNormal() following the original
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| 189 | // specification for points not on the surface
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| 190 |
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| 191 | private:
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| 192 |
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| 193 | // Used by distanceToOut
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| 194 | //
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| 195 | enum ESide {kNull,kRMin,kRMax,kSPhi,kEPhi,kPZ,kMZ};
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| 196 |
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| 197 | // used by normal
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| 198 | //
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| 199 | enum ENorm {kNRMin,kNRMax,kNSPhi,kNEPhi,kNZ};
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| 200 |
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| 201 | G4double kRadTolerance, kAngTolerance;
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| 202 | //
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| 203 | // Radial and angular tolerances
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| 204 |
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| 205 | G4double fRmin1, fRmin2, fRmax1, fRmax2, fDz, fSPhi, fDPhi;
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| 206 | //
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| 207 | // Radial and angular dimensions
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| 208 |
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| 209 | G4double sinCPhi, cosCPhi, cosHDPhiOT, cosHDPhiIT,
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| 210 | sinSPhi, cosSPhi, sinEPhi, cosEPhi;
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| 211 | //
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| 212 | // Cached trigonometric values
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| 213 |
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| 214 | G4bool fPhiFullCone;
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| 215 | //
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| 216 | // Flag for identification of section or full cone
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| 217 | };
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| 218 |
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| 219 | #include "G4Cons.icc"
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| 220 |
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| 221 | #endif
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