include/Geant4/G4ErrorCylSurfaceTarget.hh

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0025 //
0026 // G4ErrorCylSurfaceTarget
0027 //
0028 // Class Description:
0029 //
0030 // Limits step when track reaches a cylindrical surface.
0031
0032 // Created: P.Arce, September 2004
0033 // --------------------------------------------------------------------
0034 #ifndef G4ERRORCYLSURFACETARGET_HH
0035 #define G4ERRORCYLSURFACETARGET_HH 1
0036
0037 #include "globals.hh"
0038 #include "G4ErrorSurfaceTarget.hh"
0039 #include "G4ThreeVector.hh"
0040 #include "G4RotationMatrix.hh"
0041 #include "G4AffineTransform.hh"
0042 #include "G4Plane3D.hh"
0043
0044 class G4ErrorCylSurfaceTarget : public G4ErrorSurfaceTarget
0045 {
0046   public:
0047
0048     G4ErrorCylSurfaceTarget( const G4double& radius,
0049                              const G4ThreeVector& trans=G4ThreeVector(),
0050                              const G4RotationMatrix& rotm=G4RotationMatrix() );
0051       // Constructs cylindrical surface by radius, translation and rotation
0052
0053     G4ErrorCylSurfaceTarget( const G4double& radius,
0054                              const G4AffineTransform& trans );
0055       // Constructs cylindrical surface by radius and affine transformation
0056
0057     ~G4ErrorCylSurfaceTarget() override = default;
0058
0059     virtual G4ThreeVector IntersectLocal( const G4ThreeVector& point,
0060                                           const G4ThreeVector& direc ) const;
0061       // Intersects the cylindrical surface with the line in local (cylinder)
0062       // coordinates, given by point and direction
0063
0064     G4double GetDistanceFromPoint( const G4ThreeVector& point,
0065                                    const G4ThreeVector& direc ) const override;
0066       // Distance from a point to the cylindrical surface in a given direction
0067
0068     G4double GetDistanceFromPoint( const G4ThreeVector& point ) const override;
0069       // Minimal distance from a point to the cylindrical surface in any
0070       // direction
0071
0072     G4Plane3D GetTangentPlane( const G4ThreeVector& point ) const override;
0073       // Get plane tangent to cylindrical surface at a given point
0074
0075     void Dump( const G4String& msg ) const override;
0076       // Dump cylindrical surface parameter
0077
0078   private:
0079
0080      G4double fradius;
0081      G4AffineTransform ftransform;
0082 };
0083
0084 #endif