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G4TwistedTrap.hh
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25 //
26 // G4TwistedTrap
27 //
28 // Class description:
29 //
30 // A G4TwistedTrap is a general twisted trapezoid: The faces perpendicular to the
31 // z planes are trapezia, and their centres are not necessarily on
32 // a line parallel to the z axis.
33 //
34 // pDz Half-length along the z-axis
35 // pTheta Polar angle of the line joining the centres of the faces
36 // at -/+pDz
37 // pPhi Azimuthal angle of the line joing the centre of the face at
38 // -pDz to the centre of the face at +pDz
39 // pDy1 Half-length along y of the face at -pDz
40 // pDx1 Half-length along x of the side at y=-pDy1 of the face at -pDz
41 // pDx2 Half-length along x of the side at y=+pDy1 of the face at -pDz
42 //
43 // pDy2 Half-length along y of the face at +pDz
44 // pDx3 Half-length along x of the side at y=-pDy2 of the face at +pDz
45 // pDx4 Half-length along x of the side at y=+pDy2 of the face at +pDz
46 // pAlph Angle with respect to the y axis from the centre of the side
47 //
48 //
49 // A special regular case of a trapezoid with equal endcaps is available,
50 // with polar,azimuthal and tilt angles set to zero.
51 //
52 
53 // Author: 27-Oct-2004 - O.Link (Oliver.Link@cern.ch)
54 // --------------------------------------------------------------------
55 #ifndef G4TWISTEDTRAP_HH
56 #define G4TWISTEDTRAP_HH
57 
58 #include "G4VTwistedFaceted.hh"
59 
61 {
62  public: // with description
63 
64  G4TwistedTrap(const G4String& pName,
65  G4double pPhiTwist,
66  G4double pDx1, // half x length at -pDz,-pDy
67  G4double pDx2, // half x length at -pDz,+pDy
68  G4double pDy,
69  G4double pDz);
70 
71 
72  G4TwistedTrap(const G4String& pName, // Name of instance
73  G4double pPhiTwist, // twist angle
74  G4double pDz, // half z length
75  G4double pTheta, // direction between end planes
76  G4double pPhi, // defined by polar and azim. angles
77  G4double pDy1, // half y length at -pDz
78  G4double pDx1, // half x length at -pDz,-pDy
79  G4double pDx2, // half x length at -pDz,+pDy
80  G4double pDy2, // half y length at +pDz
81  G4double pDx3, // half x length at +pDz,-pDy
82  G4double pDx4, // half x length at +pDz,+pDy
83  G4double pAlph // tilt angle
84  );
85 
86  virtual ~G4TwistedTrap();
87 
88  // accessors
89 
90  inline G4double GetY1HalfLength() const { return GetDy1() ; }
91  inline G4double GetX1HalfLength() const { return GetDx1() ; }
92  inline G4double GetX2HalfLength() const { return GetDx2() ; }
93  inline G4double GetY2HalfLength() const { return GetDy2() ; }
94  inline G4double GetX3HalfLength() const { return GetDx3() ; }
95  inline G4double GetX4HalfLength() const { return GetDx4() ; }
96  inline G4double GetZHalfLength() const { return GetDz() ; }
97  inline G4double GetPhiTwist() const { return GetTwistAngle() ; }
98  inline G4double GetTiltAngleAlpha() const { return GetAlpha() ; }
99  inline G4double GetPolarAngleTheta() const { return GetTheta() ; }
100  inline G4double GetAzimuthalAnglePhi() const { return GetPhi() ; }
101 
103 
104  G4VSolid* Clone() const;
105 
106  std::ostream &StreamInfo(std::ostream& os) const;
107 
108  public: // without description
109 
110  G4TwistedTrap(__void__&);
111  // Fake default constructor for usage restricted to direct object
112  // persistency for clients requiring preallocation of memory for
113  // persistifiable objects.
114 
115  G4TwistedTrap(const G4TwistedTrap& rhs);
116  G4TwistedTrap& operator=(const G4TwistedTrap& rhs);
117  // Copy constructor and assignment operator.
118 } ;
119 
120 #endif