Gabriele Cosmo
160 lines
5.7 KiB
C++
160 lines
5.7 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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//
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// $Id: G4Box.hh 79491 2014-03-05 15:24:29Z gcosmo $
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//
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// --------------------------------------------------------------------
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// GEANT 4 class header file
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//
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//
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// G4Box
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//
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// Class description:
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//
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// A Box is a cuboid of given half lengths dx,dy,dz. The Box is
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// centred on the origin with sides parallel to the x/y/z axes.
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// History:
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// 30.06.95 P.Kent: Converted from source code developed end 94
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// 27.03.96 J.Allison: Added virtual functions DescribeYourselfTo() and
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// SendWireframeTo(G4VGraphicsModel&)
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// 22.07.96 J.Allison: Changed G4VGraphicsModel to G4VGraphicsScene
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// and SendPolyhedronTo() to CreatePolyhedron()
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// 27.03.98 J.Apostolakis: Inherit from G4CSGSolid (not G4VSolid)
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// 18.11.99 J.Apostolakis, V.Grichine: kUndefined was added to ESide
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// --------------------------------------------------------------------
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#ifndef G4BOX_HH
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#define G4BOX_HH
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#if defined(G4GEOM_USE_USOLIDS)
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#define G4GEOM_USE_UBOX 1
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#endif
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#if defined(G4GEOM_USE_UBOX)
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#define G4UBox G4Box
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#include "G4UBox.hh"
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#else
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#include "G4CSGSolid.hh"
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#include "G4Polyhedron.hh"
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class G4Box : public G4CSGSolid
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{
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public: // with description
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G4Box(const G4String& pName, G4double pX, G4double pY, G4double pZ);
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// Construct a box with name, and half lengths pX,pY,pZ
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virtual ~G4Box();
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void ComputeDimensions(G4VPVParameterisation* p,
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const G4int n,
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const G4VPhysicalVolume* pRep);
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G4bool CalculateExtent(const EAxis pAxis,
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const G4VoxelLimits& pVoxelLimit,
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const G4AffineTransform& pTransform,
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G4double& pmin, G4double& pmax) const;
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// Accessors and modifiers
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inline G4double GetXHalfLength() const;
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inline G4double GetYHalfLength() const;
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inline G4double GetZHalfLength() const;
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void SetXHalfLength(G4double dx) ;
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void SetYHalfLength(G4double dy) ;
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void SetZHalfLength(G4double dz) ;
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// Methods for solid
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inline G4double GetCubicVolume();
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inline G4double GetSurfaceArea();
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EInside Inside(const G4ThreeVector& p) const;
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G4ThreeVector SurfaceNormal( const G4ThreeVector& p) const;
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G4double DistanceToIn(const G4ThreeVector& p, const G4ThreeVector& v) const;
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G4double DistanceToIn(const G4ThreeVector& p) const;
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G4double DistanceToOut(const G4ThreeVector& p, const G4ThreeVector& v,
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const G4bool calcNorm=false,
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G4bool *validNorm=0, G4ThreeVector *n=0) const;
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G4double DistanceToOut(const G4ThreeVector& p) const;
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G4GeometryType GetEntityType() const;
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G4ThreeVector GetPointOnSurface() const;
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G4VSolid* Clone() const;
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std::ostream& StreamInfo(std::ostream& os) const;
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// Utilities for visualization
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void DescribeYourselfTo (G4VGraphicsScene& scene) const;
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G4VisExtent GetExtent () const;
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G4Polyhedron* CreatePolyhedron () const;
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public: // without description
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G4Box(__void__&);
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// Fake default constructor for usage restricted to direct object
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// persistency for clients requiring preallocation of memory for
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// persistifiable objects.
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G4Box(const G4Box& rhs);
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G4Box& operator=(const G4Box& rhs);
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// Copy constructor and assignment operator.
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protected: // with description
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G4ThreeVectorList*
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CreateRotatedVertices(const G4AffineTransform& pTransform) const;
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// Create the List of transformed vertices in the format required
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// for G4VSolid:: ClipCrossSection and ClipBetweenSections.
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protected: // without description
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enum ESide {kUndefined,kPX,kMX,kPY,kMY,kPZ,kMZ};
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// Codes for faces (kPX= +x face, kMY= -y face, etc...)
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private:
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G4ThreeVector ApproxSurfaceNormal( const G4ThreeVector& p) const;
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// Algorithm for SurfaceNormal() following the original
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// specification for points not on the surface
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private:
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G4double fDx,fDy,fDz;
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G4double delta; // Cached half Cartesian tolerance
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};
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#include "G4Box.icc"
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#endif
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#endif
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