Gabriele Cosmo
197 lines
7.0 KiB
C++
197 lines
7.0 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: G4Cons.hh,v 1.18 2007/05/18 07:38:00 gcosmo Exp $
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// GEANT4 tag $Name: geant4-09-01 $
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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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// G4Cons
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//
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// Class description:
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//
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// A G4Cons is, in the general case, a Phi segment of a cone, with
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// half-length fDz, inner and outer radii specified at -fDz and +fDz.
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// The Phi segment is described by a starting fSPhi angle, and the
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// +fDPhi delta angle for the shape.
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// If the delta angle is >=2*pi, the shape is treated as continuous
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// in Phi
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//
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// Member Data:
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//
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// fRmin1 inside radius at -fDz
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// fRmin2 inside radius at +fDz
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// fRmax1 outside radius at -fDz
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// fRmax2 outside radius at +fDz
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// fDz half length in z
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//
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// fSPhi starting angle of the segment in radians
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// fDPhi delta angle of the segment in radians
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//
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// Note:
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// Internally fSPhi & fDPhi are adjusted so that fDPhi<=2PI,
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// and fDPhi+fSPhi<=2PI. This enables simpler comparisons to be
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// made with (say) Phi of a point.
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// History:
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// 19.3.94 P.Kent: Old C++ code converted to tolerant geometry
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// 13.9.96 V.Grichine: Final modifications to commit
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// --------------------------------------------------------------------
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#ifndef G4Cons_HH
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#define G4Cons_HH
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#include "G4CSGSolid.hh"
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class G4Cons : public G4CSGSolid
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{
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public: // with description
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G4Cons(const G4String& pName,
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G4double pRmin1, G4double pRmax1,
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G4double pRmin2, G4double pRmax2,
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G4double pDz,
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G4double pSPhi, G4double pDPhi);
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virtual ~G4Cons() ;
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// Accessors
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inline G4double GetInnerRadiusMinusZ() const;
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inline G4double GetOuterRadiusMinusZ() const;
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inline G4double GetInnerRadiusPlusZ() const;
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inline G4double GetOuterRadiusPlusZ() const;
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inline G4double GetZHalfLength() const;
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inline G4double GetStartPhiAngle () const;
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inline G4double GetDeltaPhiAngle () const;
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// Modifiers
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inline void SetInnerRadiusMinusZ( G4double Rmin1 );
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inline void SetOuterRadiusMinusZ( G4double Rmax1 );
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inline void SetInnerRadiusPlusZ ( G4double Rmin2 );
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inline void SetOuterRadiusPlusZ ( G4double Rmax2 );
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inline void SetZHalfLength ( G4double newDz );
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inline void SetStartPhiAngle ( G4double newSPhi);
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inline void SetDeltaPhiAngle ( G4double newDPhi);
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// Other methods for solid
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inline G4double GetCubicVolume();
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inline 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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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=G4bool(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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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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G4NURBS* CreateNURBS() const;
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public: // without description
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G4Cons(__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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// Old access functions
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inline G4double GetRmin1() const;
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inline G4double GetRmax1() const;
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inline G4double GetRmin2() const;
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inline G4double GetRmax2() const;
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inline G4double GetDz() const;
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inline G4double GetSPhi() const;
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inline G4double GetDPhi() const;
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protected:
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G4ThreeVectorList*
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CreateRotatedVertices(const G4AffineTransform& pTransform) const;
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// Used by distanceToOut
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enum ESide {kNull,kRMin,kRMax,kSPhi,kEPhi,kPZ,kMZ};
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// used by normal
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enum ENorm {kNRMin,kNRMax,kNSPhi,kNEPhi,kNZ};
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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 kRadTolerance, kAngTolerance;
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G4double fRmin1,fRmin2,
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fRmax1,fRmax2,
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fDz,
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fSPhi,fDPhi;
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};
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#include "G4Cons.icc"
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#endif
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