Gabriele Cosmo
255 lines
9.0 KiB
C++
255 lines
9.0 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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// G4BooleanSolid
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//
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// Class description:
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//
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// Base class for solids created by Boolean operations between other solids.
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// Author: Vladimir Grichine (CERN), 10.09.1998 - Created.
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// --------------------------------------------------------------------
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#ifndef G4BOOLEANSOLID_HH
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#define G4BOOLEANSOLID_HH
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#include "G4DisplacedSolid.hh"
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#include "G4ThreeVector.hh"
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#include "G4RotationMatrix.hh"
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#include "G4Transform3D.hh"
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#include "G4VBooleanProcessor.hh"
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class HepPolyhedronProcessor;
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/**
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* @brief G4BooleanSolid is the base class for solids created by Boolean
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* operations between other solids.
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*/
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class G4BooleanSolid : public G4VSolid
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{
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public:
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/**
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* Constructor of a Boolean composition between two solids with no
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* displacement.
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* @param[in] pName The name of the Boolean composition.
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* @param[in] pSolidA Pointer to the first reference solid.
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* @param[in] pSolidB Pointer to the second solid to form the composition.
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*/
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G4BooleanSolid( const G4String& pName,
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G4VSolid* pSolidA ,
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G4VSolid* pSolidB );
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/**
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* Constructor of a Boolean composition between two solids with rotation
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* and translation, used to transform the coordinate system of the second
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* solid to the coordinate system of the first solid.
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* @param[in] pName The name of the Boolean composition.
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* @param[in] pSolidA Pointer to the first reference solid.
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* @param[in] pSolidB Pointer to the second solid to form the composition.
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* @param[in] rotMatrix Pointer to the rotation vector.
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* @param[in] transVector The translation vector.
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*/
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G4BooleanSolid( const G4String& pName,
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G4VSolid* pSolidA ,
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G4VSolid* pSolidB,
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G4RotationMatrix* rotMatrix,
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const G4ThreeVector& transVector );
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/**
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* Constructor of a Boolean composition between two solids with a
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* transformation that moves the second solid from its desired position
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* to its standard position.
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* @param[in] pName The name of the Boolean composition.
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* @param[in] pSolidA Pointer to the first reference solid.
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* @param[in] pSolidB Pointer to the second solid to form the composition.
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* @param[in] transform The composed 3D transformation.
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*/
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G4BooleanSolid( const G4String& pName,
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G4VSolid* pSolidA ,
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G4VSolid* pSolidB ,
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const G4Transform3D& transform );
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/**
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* Destructor. If using a displaced solid, deletes all cached
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* transformations.
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*/
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~G4BooleanSolid() override;
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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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*/
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G4BooleanSolid(__void__&);
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/**
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* Copy constructor and assignment operator.
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*/
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G4BooleanSolid(const G4BooleanSolid& rhs);
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G4BooleanSolid& operator=(const G4BooleanSolid& rhs);
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/**
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* Methods returning the component solids of the Boolean composition.
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* If the solid is made up from a Boolean operation of two solids,
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* return the corresponding solid (for no=0 and 1). A fatal exception
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* is thrown if the index provided is different from 0 or 1.
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* @param[in] no Index 0/1 of the components.
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* @returns The pointer to (const or not const) of the component solid.
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* If the solid is not a "Boolean", returns nullptr.
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*/
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const G4VSolid* GetConstituentSolid(G4int no) const override;
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G4VSolid* GetConstituentSolid(G4int no) override;
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/**
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* Methods returning the computed capacity and surface area of the
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* composition. The quantities returned are an estimate obtained by
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* randomly sampling the Boolean composition and caching them for reuse.
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*/
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G4double GetCubicVolume() override;
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G4double GetSurfaceArea() override;
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/**
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* Returns the type ID, "G4BooleanSolid" of the solid.
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*/
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G4GeometryType GetEntityType() const override;
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/**
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* Returns a pointer to the generated polyhedron representation of the
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* composition, for use in visualisation.
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*/
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G4Polyhedron* GetPolyhedron() const override;
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/**
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* Streams the object contents to an output stream.
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*/
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std::ostream& StreamInfo(std::ostream& os) const override;
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/**
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* Accessor and setter for controlling/tuning the number of random points
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* to be used for computing the cubic volume.
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*/
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inline G4int GetCubVolStatistics() const;
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void SetCubVolStatistics(G4int st);
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/**
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* Accessor and setter for controlling/tuning the epsilon used for
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* computing the cubic volume.
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*/
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inline G4double GetCubVolEpsilon() const;
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void SetCubVolEpsilon(G4double ep);
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/**
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* Accessor and setter for controlling/tuning the number of random points
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* to be used for computing the surface area.
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*/
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inline G4int GetAreaStatistics() const;
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inline void SetAreaStatistics(G4int st);
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/**
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* Accessor and setter for controlling/tuning the level of accuracy used
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* for computing the surface area.
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*/
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inline G4double GetAreaAccuracy() const;
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inline void SetAreaAccuracy(G4double ep);
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/**
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* Returns a point (G4ThreeVector) randomly and uniformly generated
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* on the surface of the solid.
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*/
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G4ThreeVector GetPointOnSurface() const override;
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/**
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* Returns the total number of constituent solids forming the Boolean
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* composition.
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*/
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G4int GetNumOfConstituents() const override;
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/**
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* Return true if the resulting solid has only planar faces.
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*/
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G4bool IsFaceted() const override;
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/**
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* Gets/sets the Boolean processor for polyhedron to replace the default
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* processor.
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*/
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static G4VBooleanProcessor* GetExternalBooleanProcessor();
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static void SetExternalBooleanProcessor(G4VBooleanProcessor* extProcessor);
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protected:
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/**
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* Gets the list of constituent primitives of the solid and their placements.
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*/
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void GetListOfPrimitives(std::vector<std::pair<G4VSolid *,G4Transform3D>>&,
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const G4Transform3D&) const;
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//
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/**
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* Stacks the polyhedra for processing.
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* @returns A pointer to the top polyhedron.
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*/
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G4Polyhedron* StackPolyhedron(HepPolyhedronProcessor&,
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const G4VSolid*) const;
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protected:
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/** Pointers to the costituent solids. */
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G4VSolid* fPtrSolidA = nullptr;
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G4VSolid* fPtrSolidB = nullptr;
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/** Cached value of the capacity. */
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G4double fCubicVolume = -1.0;
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/** Cached value of the surface area. */
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G4double fSurfaceArea = -1.0;
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/** Static pointer to the external Boolean processor. */
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static G4VBooleanProcessor* fExternalBoolProcessor;
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private:
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G4int fCubVolStatistics = 1000000;
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G4int fAreaStatistics = 1000000;
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G4double fCubVolEpsilon = 0.001;
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G4double fAreaAccuracy = -1;
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mutable G4bool fRebuildPolyhedron = false;
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mutable G4Polyhedron* fpPolyhedron = nullptr;
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mutable std::vector<std::pair<G4VSolid *,G4Transform3D>> fPrimitives;
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mutable G4double fPrimitivesSurfaceArea = 0.0;
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/** If & only if this object created it, it must delete it. */
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G4bool createdDisplacedSolid = false;
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};
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#include "G4BooleanSolid.icc"
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#endif
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