| Geant4 Cross Reference |
1 //
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24 // ********************************************************************
25 //
26 // G4TwistTubsFlatSide
27 //
28 // Class description:
29 //
30 // Class describing a flat boundary surface for a cylinder.
31
32 // 01-Aug-2002 - Kotoyo Hoshina (hoshina@hepburn.s.chiba-u.ac.jp), created.
33 // 13-Nov-2003 - O.Link (Oliver.Link@cern.ch), Integration in Geant4
34 // from original version in Jupiter-2.5.02 application.
35 // --------------------------------------------------------------------
36 #ifndef G4TWISTTUBSFLATSIDE_HH
37 #define G4TWISTTUBSFLATSIDE_HH
38
39 #include "G4VTwistSurface.hh"
40
41 class G4TwistTubsFlatSide : public G4VTwistSurface
42 {
43 public:
44
45 G4TwistTubsFlatSide(const G4String& name,
46 const G4RotationMatrix& rot,
47 const G4ThreeVector& tlate,
48 const G4ThreeVector& n,
49 const EAxis axis1 = kRho, // RHO axis !
50 const EAxis axis2 = kPhi, // PHI axis !
51 G4double axis0min = -kInfinity,
52 G4double axis1min = -kInfinity,
53 G4double axis0max = kInfinity,
54 G4double axis1max = kInfinity);
55
56 G4TwistTubsFlatSide(const G4String& name,
57 G4double EndInnerRadius[2],
58 G4double EndOuterRadius[2],
59 G4double DPhi,
60 G4double EndPhi[2],
61 G4double EndZ[2],
62 G4int handedness);
63
64 ~G4TwistTubsFlatSide() override;
65 G4ThreeVector GetNormal(const G4ThreeVector& /* xx */ ,
66 G4bool isGlobal = false) override;
67 G4int DistanceToSurface(const G4ThreeVector& gp,
68 const G4ThreeVector& gv,
69 G4ThreeVector gxx[],
70 G4double distance[],
71 G4int areacode[],
72 G4bool isvalid[],
73 EValidate validate = kValidateWithTol) override;
74
75 G4int DistanceToSurface(const G4ThreeVector& gp,
76 G4ThreeVector gxx[],
77 G4double distance[],
78 G4int areacode[]) override;
79
80 inline G4ThreeVector SurfacePoint(G4double, G4double,
81 G4bool isGlobal = false) override;
82 inline G4double GetBoundaryMin(G4double phi) override;
83 inline G4double GetBoundaryMax(G4double phi) override;
84 inline G4double GetSurfaceArea() override { return fSurfaceArea ; }
85 void GetFacets( G4int m, G4int n, G4double xyz[][3],
86 G4int faces[][4], G4int iside ) override;
87
88 G4TwistTubsFlatSide(__void__&);
89 // Fake default constructor for usage restricted to direct object
90 // persistency for clients requiring preallocation of memory for
91 // persistifiable objects.
92
93 protected:
94
95 G4int GetAreaCode(const G4ThreeVector& xx,
96 G4bool withTol = true) override ;
97
98 private:
99
100 void SetCorners() override;
101 void SetBoundaries() override;
102
103 private:
104
105 G4double fSurfaceArea = 0.0;
106 };
107
108 inline G4ThreeVector G4TwistTubsFlatSide::
109 SurfacePoint(G4double phi , G4double rho , G4bool isGlobal )
110 {
111 G4ThreeVector SurfPoint (rho*std::cos(phi) , rho*std::sin(phi) , 0);
112
113 if (isGlobal) { return (fRot * SurfPoint + fTrans); }
114 return SurfPoint;
115 }
116
117 inline
118 G4double G4TwistTubsFlatSide::GetBoundaryMin(G4double)
119 {
120 G4ThreeVector dphimin = GetCorner(sC0Max1Min);
121 return std::atan2( dphimin.y(), dphimin.x() );
122 }
123
124 inline
125 G4double G4TwistTubsFlatSide::GetBoundaryMax(G4double)
126 {
127 G4ThreeVector dphimax = GetCorner(sC0Max1Max);
128 return std::atan2( dphimax.y(), dphimax.x() );
129 }
130
131 #endif
132