Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/geometry/management/include/G4ErrorCylSurfaceTarget.hh

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  1 //
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 25 //
 26 // G4ErrorCylSurfaceTarget
 27 //
 28 // Class Description:
 29 //
 30 // Limits step when track reaches a cylindrical surface.
 31 
 32 // Created: P.Arce, September 2004
 33 // --------------------------------------------------------------------
 34 #ifndef G4ERRORCYLSURFACETARGET_HH
 35 #define G4ERRORCYLSURFACETARGET_HH 1
 36 
 37 #include "globals.hh"
 38 #include "G4ErrorSurfaceTarget.hh"
 39 #include "G4ThreeVector.hh"
 40 #include "G4RotationMatrix.hh"
 41 #include "G4AffineTransform.hh"
 42 #include "G4Plane3D.hh"
 43 
 44 class G4ErrorCylSurfaceTarget : public G4ErrorSurfaceTarget
 45 {
 46   public:
 47 
 48     G4ErrorCylSurfaceTarget( const G4double& radius,
 49                              const G4ThreeVector& trans=G4ThreeVector(),
 50                              const G4RotationMatrix& rotm=G4RotationMatrix() );
 51       // Constructs cylindrical surface by radius, translation and rotation
 52 
 53     G4ErrorCylSurfaceTarget( const G4double& radius,
 54                              const G4AffineTransform& trans );
 55       // Constructs cylindrical surface by radius and affine transformation
 56 
 57     ~G4ErrorCylSurfaceTarget() override = default;
 58 
 59     virtual G4ThreeVector IntersectLocal( const G4ThreeVector& point,
 60                                           const G4ThreeVector& direc ) const;
 61       // Intersects the cylindrical surface with the line in local (cylinder)
 62       // coordinates, given by point and direction
 63 
 64     G4double GetDistanceFromPoint( const G4ThreeVector& point,
 65                                    const G4ThreeVector& direc ) const override;
 66       // Distance from a point to the cylindrical surface in a given direction
 67 
 68     G4double GetDistanceFromPoint( const G4ThreeVector& point ) const override;
 69       // Minimal distance from a point to the cylindrical surface in any
 70       // direction
 71 
 72     G4Plane3D GetTangentPlane( const G4ThreeVector& point ) const override;
 73       // Get plane tangent to cylindrical surface at a given point
 74 
 75     void Dump( const G4String& msg ) const override;
 76       // Dump cylindrical surface parameter
 77 
 78   private:
 79 
 80      G4double fradius;
 81      G4AffineTransform ftransform;
 82 };
 83 
 84 #endif
 85