Gabriele Cosmo
223 lines
7.8 KiB
C++
223 lines
7.8 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: G4CutTubs.hh 105075 2017-07-11 14:22:53Z 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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// G4CutTubs is a tube with possible cuts in +-Z.
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// Implementation adapted from G4Tubs (subclass of G4Tubs) and
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// from TGEo Ctube implementation (by A.Gheata, CERN)
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//
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// G4CutTubs(pName,pRMin,pRMax,pDZ,pSPhi,pEPhi,pLowNorm,pHighNorm)
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// pName,pRMin,pRMax,pDZ,pSPhi,pEPhi are the same as for G4Tubs,
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// pLowNorm=Outside Normal at -Z
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// pHighNorm=Outsie Normal at +Z.
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// Author: Tatiana Nikitina, CERN
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// --------------------------------------------------------------------
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#ifndef G4CUTTUBS_HH
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#define G4CUTTUBS_HH
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#if defined(G4GEOM_USE_USOLIDS)
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#define G4GEOM_USE_UCTUBS 1
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#endif
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#if defined(G4GEOM_USE_UCTUBS)
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#define G4UCutTubs G4CutTubs
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#include "G4UCutTubs.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 G4CutTubs : public G4CSGSolid
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{
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public: // with description
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G4CutTubs( const G4String& pName,
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G4double pRMin,
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G4double pRMax,
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G4double pDz,
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G4double pSPhi,
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G4double pDPhi,
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G4ThreeVector pLowNorm,
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G4ThreeVector pHighNorm );
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//
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// Constructs a tubs with the given name and dimensions
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~G4CutTubs();
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//
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// Destructor
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// Accessors
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inline G4double GetInnerRadius () const;
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inline G4double GetOuterRadius () 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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inline G4double GetSinStartPhi () const;
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inline G4double GetCosStartPhi () const;
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inline G4double GetSinEndPhi () const;
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inline G4double GetCosEndPhi () const;
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inline G4ThreeVector GetLowNorm () const;
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inline G4ThreeVector GetHighNorm () const;
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// Modifiers
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inline void SetInnerRadius (G4double newRMin);
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inline void SetOuterRadius (G4double newRMax);
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inline void SetZHalfLength (G4double newDz);
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inline void SetStartPhiAngle (G4double newSPhi, G4bool trig=true);
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inline void SetDeltaPhiAngle (G4double newDPhi);
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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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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, 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=G4bool(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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// 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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G4CutTubs(__void__&);
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//
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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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G4CutTubs(const G4CutTubs& rhs);
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G4CutTubs& operator=(const G4CutTubs& rhs);
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// Copy constructor and assignment operator.
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// Older names for access functions
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inline G4double GetRMin() const;
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inline G4double GetRMax() 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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inline void Initialize();
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//
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// Reset relevant values to zero
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inline void CheckSPhiAngle(G4double sPhi);
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inline void CheckDPhiAngle(G4double dPhi);
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inline void CheckPhiAngles(G4double sPhi, G4double dPhi);
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//
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// Reset relevant flags and angle values
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inline void InitializeTrigonometry();
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//
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// Recompute relevant trigonometric values and cache them
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G4ThreeVector ApproxSurfaceNormal( const G4ThreeVector& p ) const;
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//
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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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G4bool IsCrossingCutPlanes() const;
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// Check if the cutted planes are crossing.
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// If 'true' , solid is ill defined
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G4double GetCutZ(const G4ThreeVector& p) const;
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// Get Z value of the point on Cutted Plane
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void GetMaxMinZ(G4double& zmin,G4double& zmax)const;
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// Get Max and Min values of Z on Cutted Plane,
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// Used for Calculate BoundingLimits()
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private:
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G4double kRadTolerance, kAngTolerance;
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//
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// Radial and angular tolerances
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G4double fRMin, fRMax, fDz, fSPhi, fDPhi;
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//
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// Radial and angular dimensions
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G4double sinCPhi, cosCPhi, cosHDPhiOT, cosHDPhiIT,
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sinSPhi, cosSPhi, sinEPhi, cosEPhi;
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//
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// Cached trigonometric values
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G4bool fPhiFullCutTube;
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//
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// Flag for identification of section or full tube
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G4double halfCarTolerance, halfRadTolerance, halfAngTolerance;
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//
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// Cached half tolerance values
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G4ThreeVector fLowNorm, fHighNorm;
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//
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// Normals of Cut at -/+ Dz
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};
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#include "G4CutTubs.icc"
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#endif
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#endif
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