Gabriele Cosmo
183 lines
6.3 KiB
C++
183 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 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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// G4UTet
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//
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// Class description:
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//
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// Wrapper class for G4Tet to make use of VecGeom Tet.
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// Author: Gabriele Cosmo (CERN), 01.11.2013
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// --------------------------------------------------------------------
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#ifndef G4UTET_HH
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#define G4UTET_HH
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#include "G4UAdapter.hh"
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#if ( defined(G4GEOM_USE_USOLIDS) || defined(G4GEOM_USE_PARTIAL_USOLIDS) )
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#include <VecGeom/volumes/UnplacedTet.h>
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#include "G4Polyhedron.hh"
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/**
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* @brief G4UTet is a wrapper class for G4Tet to make use of VecGeom Tet.
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*/
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class G4UTet : public G4UAdapter<vecgeom::UnplacedTet>
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{
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using Shape_t = vecgeom::UnplacedTet;
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using Base_t = G4UAdapter<vecgeom::UnplacedTet>;
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public:
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/**
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* Constructs a tetrahedra, given its parameters.
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* @param[in] pName The solid name.
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* @param[in] anchor The anchor point.
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* @param[in] p2 Point 2.
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* @param[in] p3 Point 3.
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* @param[in] p4 Point 4.
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* @param[in] degeneracyFlag Flag indicating degeneracy of points.
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*/
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G4UTet(const G4String& pName,
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const G4ThreeVector& anchor,
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const G4ThreeVector& p2,
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const G4ThreeVector& p3,
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const G4ThreeVector& p4,
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G4bool* degeneracyFlag = nullptr);
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/**
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* Default destructor.
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*/
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~G4UTet() override = default;
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/**
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* Dispatch method for parameterisation replication mechanism and
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* dimension computation.
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*/
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void ComputeDimensions(G4VPVParameterisation* p,
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const G4int n,
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const G4VPhysicalVolume* pRep) override;
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/**
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* Makes a clone of the object for use in multi-treading.
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* @returns A pointer to the new cloned allocated solid.
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*/
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G4VSolid* Clone() const override;
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/**
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* Returns the type ID, "G4Tet" of the solid.
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*/
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inline G4GeometryType GetEntityType() const override;
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/**
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* Returns true as the solid has only planar faces.
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*/
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inline G4bool IsFaceted() const override;
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/**
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* Computes the bounding limits of the solid.
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* @param[out] pMin The minimum bounding limit point.
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* @param[out] pMax The maximum bounding limit point.
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*/
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void SetBoundingLimits(const G4ThreeVector& pMin, const G4ThreeVector& pMax);
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void BoundingLimits(G4ThreeVector& pMin, G4ThreeVector& pMax) const override;
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/**
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* Calculates the minimum and maximum extent of the solid, when under the
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* specified transform, and within the specified limits.
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* @param[in] pAxis The axis along which compute the extent.
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* @param[in] pVoxelLimit The limiting space dictated by voxels.
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* @param[in] pTransform The internal transformation applied to the solid.
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* @param[out] pMin The minimum extent value.
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* @param[out] pMax The maximum extent value.
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* @returns True if the solid is intersected by the extent region.
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*/
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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 override;
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/**
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* Returns a generated polyhedron as graphical representations.
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*/
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G4Polyhedron* CreatePolyhedron() const override;
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/**
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* Modifier and accessors, for the four vertices of the shape.
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*/
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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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G4bool* degeneracyFlag = nullptr);
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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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/**
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* Checks if the tetrahedron is degenerate. A tetrahedron is considered
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* as degenerate in case its minimal height is less than the degeneracy
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* tolerance
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* @returns true if the tetrahedron is degenerate.
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*/
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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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/**
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* Copy constructor and assignment operator.
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*/
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G4UTet(const G4UTet& rhs);
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G4UTet& operator=(const G4UTet& rhs);
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private:
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G4ThreeVector fBmin, fBmax; // bounding box
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};
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// --------------------------------------------------------------------
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// Inline methods
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// --------------------------------------------------------------------
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inline G4GeometryType G4UTet::GetEntityType() const
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{
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return "G4Tet";
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}
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inline G4bool G4UTet::IsFaceted() const
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{
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return true;
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}
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#endif // G4GEOM_USE_USOLIDS
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#endif
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