Gabriele Cosmo
119 lines
4.4 KiB
C++
119 lines
4.4 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// G4ErrorPlaneSurfaceTarget
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//
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// Class Description:
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//
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// Limits step when track reaches a plane surface.
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// Author: Pedro Arce (CIEMAT), September 2004
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// --------------------------------------------------------------------
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#ifndef G4ERRORPLANESURFACETARGET_HH
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#define G4ERRORPLANESURFACETARGET_HH
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#include "globals.hh"
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#include "G4ErrorSurfaceTarget.hh"
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#include "G4ThreeVector.hh"
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#include "G4Normal3D.hh"
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#include "G4Plane3D.hh"
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#include "G4Point3D.hh"
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/**
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* @brief G4ErrorPlaneSurfaceTarget is an utility class for limiting
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* the step when a track reaches a plane surface.
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*/
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class G4ErrorPlaneSurfaceTarget : public G4ErrorSurfaceTarget, G4Plane3D
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{
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public:
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/**
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* Constructor for G4ErrorPlaneSurfaceTarget. It constructs a plane
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* by parameters: ax+by+cz+d = 0.
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*/
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G4ErrorPlaneSurfaceTarget(G4double a=0., G4double b=0.,
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G4double c=0., G4double d=0.);
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/**
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* Constructor for G4ErrorPlaneSurfaceTarget. It constructs a plane
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* by point 'p' and normal 'n'.
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*/
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G4ErrorPlaneSurfaceTarget(const G4Normal3D& n,
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const G4Point3D& p);
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/**
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* Constructor for G4ErrorPlaneSurfaceTarget. It constructs a plane
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* by three points, 'p1', 'p2', 'p3'.
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*/
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G4ErrorPlaneSurfaceTarget(const G4Point3D& p1,
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const G4Point3D& p2,
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const G4Point3D& p3);
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/**
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* Default Destructor.
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*/
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~G4ErrorPlaneSurfaceTarget() override = default;
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/**
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* Intersects the surface with the line given by point and direction.
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* @param[in] point The point of reference.
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* @param[in] direc The direction vector.
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* @returns The intersection point.
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*/
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G4ThreeVector Intersect( const G4ThreeVector& point,
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const G4ThreeVector& direc ) const;
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/**
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* Computes the distance from a point to the surface in a given direction.
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* @param[in] point The point of reference.
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* @param[in] direc The direction vector.
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* @returns The distance value.
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*/
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G4double GetDistanceFromPoint( const G4ThreeVector& point,
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const G4ThreeVector& direc ) const override;
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/**
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* Computes the minimal distance from a point to surface.
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* @param[in] point The point of reference.
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* @returns The distance value.
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*/
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G4double GetDistanceFromPoint( const G4ThreeVector& pt ) const override;
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/**
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* Computes the plane tangent to itself at a given point.
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* @param[in] point The point of reference.
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* @returns The tangent plane.
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*/
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G4Plane3D GetTangentPlane( const G4ThreeVector& point ) const override;
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/**
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* Dumps to standard output the surface parameters.
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*/
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void Dump( const G4String& msg ) const override;
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};
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#endif
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