Gabriele Cosmo
188 lines
6.1 KiB
C++
188 lines
6.1 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: G4Trd.hh 104894 2017-06-26 13:30:00Z gcosmo $
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//
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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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// G4Trd
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//
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// Class description:
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//
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// A G4Trd is a trapezoid with the x and y dimensions varying along z
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// functions:
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//
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// Member Data:
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//
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// fDx1 Half-length along x at the surface positioned at -dz
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// fDx2 Half-length along x at the surface positioned at +dz
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// fDy1 Half-length along y at the surface positioned at -dz
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// fDy2 Half-length along y at the surface positioned at +dz
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// fDz Half-length along z axis
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// History:
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// 12.01.95 P.Kent: Old prototype code converted to thick geometry
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// 17.02.95 P.Kent: Exiting normal return
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// 19.08.96 P.Kent, V.Grichine: Fs in accordance with G4Box
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// 21.04.97 J.Apostolakis: Added Set Methods
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// 19.11.99 V.Grichine: kUndefined was added to Eside enum
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// --------------------------------------------------------------------
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#ifndef G4TRD_HH
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#define G4TRD_HH
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#if defined(G4GEOM_USE_USOLIDS)
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#define G4GEOM_USE_UTRD 1
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#endif
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#if defined(G4GEOM_USE_UTRD)
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#define G4UTrd G4Trd
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#include "G4UTrd.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 G4Trd : public G4CSGSolid
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{
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public: // with description
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G4Trd( const G4String& pName,
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G4double pdx1, G4double pdx2,
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G4double pdy1, G4double pdy2,
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G4double pdz );
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//
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// Constructs a trapezoid with name, and half lengths
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~G4Trd();
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//
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// Destructor
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// Accessors
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inline G4double GetXHalfLength1() const;
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inline G4double GetXHalfLength2() const;
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inline G4double GetYHalfLength1() const;
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inline G4double GetYHalfLength2() const;
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inline G4double GetZHalfLength() const;
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// Modifiers
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inline void SetXHalfLength1(G4double val);
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inline void SetXHalfLength2(G4double val);
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inline void SetYHalfLength1(G4double val);
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inline void SetYHalfLength2(G4double val);
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inline void SetZHalfLength(G4double val);
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void SetAllParameters ( G4double pdx1, G4double pdx2,
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G4double pdy1, G4double pdy2,
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G4double pdz );
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// Methods of solid
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G4double GetCubicVolume();
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G4double GetSurfaceArea();
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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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void BoundingLimits(G4ThreeVector& pMin, G4ThreeVector& pMax) const;
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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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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,
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const G4ThreeVector& v ) const;
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G4double DistanceToIn( const G4ThreeVector& p ) const;
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G4double DistanceToOut( const G4ThreeVector& p,
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const G4ThreeVector& v,
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const G4bool calcNorm=false,
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G4bool *validNorm=0,
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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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// Visualisation functions
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void DescribeYourselfTo (G4VGraphicsScene& scene) const;
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G4Polyhedron* CreatePolyhedron () const;
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public: // without description
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G4Trd(__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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G4Trd(const G4Trd& rhs);
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G4Trd& operator=(const G4Trd& rhs);
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// Copy constructor and assignment operator
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private:
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void CheckParameters();
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// Check parameters
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void MakePlanes();
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// Set side planes
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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 halfCarTolerance;
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G4double fDx1,fDx2,fDy1,fDy2,fDz;
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struct { G4double a,b,c,d; } fPlanes[4];
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};
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#include "G4Trd.icc"
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#endif
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#endif
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