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G4ErrorCylSurfaceTarget.hh
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27 // $Id: G4ErrorCylSurfaceTarget.hh 66356 2012-12-18 09:02:32Z gcosmo $
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29 //
30 // --------------------------------------------------------------------
31 // GEANT 4 class header file
32 // --------------------------------------------------------------------
33 //
34 // Class Description:
35 //
36 // G4ErrorTarget class: limits step when track reaches a cylindrical surface.
37 
38 // History:
39 // - Created. P. Arce, September 2004
40 // --------------------------------------------------------------------
41 
42 #ifndef G4ErrorCylSurfaceTarget_hh
43 #define G4ErrorCylSurfaceTarget_hh
44 
45 #include "globals.hh"
46 #include "G4ErrorSurfaceTarget.hh"
47 #include "G4ThreeVector.hh"
48 #include "G4RotationMatrix.hh"
49 #include "G4AffineTransform.hh"
50 #include "G4Plane3D.hh"
51 
53 {
54  public: // with description
55 
56  G4ErrorCylSurfaceTarget( const G4double& radius,
57  const G4ThreeVector& trans=G4ThreeVector(),
58  const G4RotationMatrix& rotm=G4RotationMatrix() );
59  // Constructs cylindrical surface by radius, translation and rotation
60 
61  G4ErrorCylSurfaceTarget( const G4double& radius,
62  const G4AffineTransform& trans );
63  // Constructs cylindrical surface by radius and affine transformation
64 
66 
67  virtual G4ThreeVector IntersectLocal( const G4ThreeVector& point,
68  const G4ThreeVector& direc ) const;
69  // Intersects the cylindrical surface with the line in local (cylinder)
70  // coordinates, given by point and direction
71 
72  virtual G4double GetDistanceFromPoint( const G4ThreeVector& point,
73  const G4ThreeVector& direc ) const;
74  // Distance from a point to the cylindrical surface in a given direction
75 
76  virtual G4double GetDistanceFromPoint( const G4ThreeVector& point ) const;
77  // Minimal distance from a point to the cylindrical surface in any
78  // direction
79 
80  virtual G4Plane3D GetTangentPlane( const G4ThreeVector& point ) const;
81  // Get plane tangent to cylindrical surface at a given point
82 
83  virtual void Dump( const G4String& msg ) const;
84  // Dump cylindrical surface parameter
85 
86  private:
87 
88  G4double fradius;
89  G4AffineTransform ftransform;
90 };
91 
92 #endif
CLHEP::Hep3Vector G4ThreeVector
CLHEP::HepRotation G4RotationMatrix
G4ErrorCylSurfaceTarget(const G4double &radius, const G4ThreeVector &trans=G4ThreeVector(), const G4RotationMatrix &rotm=G4RotationMatrix())
virtual G4Plane3D GetTangentPlane(const G4ThreeVector &point) const
virtual G4ThreeVector IntersectLocal(const G4ThreeVector &point, const G4ThreeVector &direc) const
double G4double
Definition: G4Types.hh:76
virtual void Dump(const G4String &msg) const
virtual G4double GetDistanceFromPoint(const G4ThreeVector &point, const G4ThreeVector &direc) const