Gabriele Cosmo
175 lines
6.3 KiB
C++
175 lines
6.3 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 intellectual property of the *
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// * Vanderbilt University Free Electron Laser Center *
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// * Vanderbilt University, Nashville, TN, USA *
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// * Development supported by: *
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// * United States MFEL program under grant FA9550-04-1-0045 *
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// * and NASA under contract number NNG04CT05P. *
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// * Written by Marcus H. Mendenhall and Robert A. Weller. *
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// * *
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// * Contributed to the Geant4 Core, January, 2005. *
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// * *
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// ********************************************************************
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//
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// G4Tet
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//
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// Class description:
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//
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// A G4Tet is a tetrahedra solid.
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// 03.09.2004 - M.H.Mendenhall & R.A.Weller (Vanderbilt University, USA)
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// 08.01.2020 - E.Tcherniaev, complete revision, speed up
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// --------------------------------------------------------------------
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#ifndef G4TET_HH
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#define G4TET_HH
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#include "G4GeomTypes.hh"
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#if defined(G4GEOM_USE_USOLIDS)
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#define G4GEOM_USE_UTET 1
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#endif
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#if defined(G4GEOM_USE_UTET)
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#define G4UTet G4Tet
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#include "G4UTet.hh"
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#else
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#include "G4VSolid.hh"
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class G4Tet : public G4VSolid
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{
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public: // with description
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// Constructor
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G4Tet(const G4String& pName,
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const G4ThreeVector& anchor,
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const G4ThreeVector& p1,
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const G4ThreeVector& p2,
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const G4ThreeVector& p3,
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G4bool* degeneracyFlag = nullptr);
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// Destructor
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virtual ~G4Tet();
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// Modifier
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void SetVertices(const G4ThreeVector& anchor,
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const G4ThreeVector& p1,
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const G4ThreeVector& p2,
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const G4ThreeVector& p3);
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// Accessors, return the four vertices of the shape
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void GetVertices(G4ThreeVector& anchor,
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G4ThreeVector& p1,
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G4ThreeVector& p2,
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G4ThreeVector& p3) const;
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std::vector<G4ThreeVector> GetVertices() const;
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// Set warning flag - depricated (dummy)
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void PrintWarnings(G4bool) {};
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// Return true if the tetrahedron is degenerate
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G4bool CheckDegeneracy(const G4ThreeVector& p0,
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const G4ThreeVector& p1,
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const G4ThreeVector& p2,
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const G4ThreeVector& p3) const;
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// Standard methods
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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 = nullptr,
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G4ThreeVector* n = nullptr) const;
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G4double DistanceToOut(const G4ThreeVector& p) const;
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G4GeometryType GetEntityType() const;
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G4VSolid* Clone() const;
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std::ostream& StreamInfo(std::ostream& os) const;
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G4double GetCubicVolume();
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G4double GetSurfaceArea();
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G4ThreeVector GetPointOnSurface() const;
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// Methods 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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G4Polyhedron* GetPolyhedron () const;
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public: // without description
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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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G4Tet(__void__&);
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// Copy constructor
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G4Tet(const G4Tet& rhs);
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// Assignment operator
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G4Tet& operator=(const G4Tet& rhs);
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private:
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// Set data members
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void Initialize(const G4ThreeVector& p0,
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const G4ThreeVector& p1,
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const G4ThreeVector& p2,
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const G4ThreeVector& p3);
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// Return normal to surface closest to p
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G4ThreeVector ApproxSurfaceNormal(const G4ThreeVector& p) const;
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private:
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G4double halfTolerance = 0;
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G4double fCubicVolume = 0; // Volume
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G4double fSurfaceArea = 0; // Surface area
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mutable G4bool fRebuildPolyhedron = false;
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mutable G4Polyhedron* fpPolyhedron = nullptr;
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G4ThreeVector fVertex[4]; // thetrahedron vertices
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G4ThreeVector fNormal[4]; // normals to faces
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G4double fDist[4] = {0}; // distances from origin to faces
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G4double fArea[4] = {0}; // face areas
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G4ThreeVector fBmin, fBmax; // bounding box
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};
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#endif
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#endif
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