Gabriele Cosmo
220 lines
8.6 KiB
C++
220 lines
8.6 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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// G4PVReplica
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//
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// Class description:
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//
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// Represents many touchable detector elements differing only in their
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// positioning. The elements' positions are calculated by means of a simple
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// linear formula, and the elements completely fill the containing mother
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// volume.
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//
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// G4PVReplica(const G4String& pName,
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// G4LogicalVolume *pLogical,
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// G4LogicalVolume *pMother,
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// const EAxis pAxis,
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// const G4int nReplicas,
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// const G4double width,
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// const G4double offset=0);
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//
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// Replication may occur along:
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//
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// o Cartesian axes (kXAxis,kYAxis,kZAxis)
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//
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// The replications, of specified width have coordinates of
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// form (-width*(nReplicas-1)*0.5+n*width,0,0) where n=0.. nReplicas-1
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// for the case of kXAxis, and are unrotated.
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//
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// o Radial axis (cylindrical polar) (kRho)
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//
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// The replications are cons/tubs sections, centred on the origin
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// and are unrotated.
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// They have radii of width*n+offset to width*(n+1)+offset
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// where n=0..nReplicas-1
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//
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// o Phi axis (cylindrical polar) (kPhi)
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// The replications are `phi sections' or wedges, and of cons/tubs form
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// They have phi of offset+n*width to offset+(n+1)*width where
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// n=0..nReplicas-1
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// 29.07.95 P.Kent - First non-stub version
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// 26.10.97 J.Apostolakis - Added constructor that takes mother LV
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// 13.01.13 G.Cosmo, A.Dotti - Modified for thread-safety for MT
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// ----------------------------------------------------------------------
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#ifndef G4PVREPLICA_HH
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#define G4PVREPLICA_HH 1
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#include "G4VPhysicalVolume.hh"
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#include "G4GeomSplitter.hh"
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class G4ReplicaData
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{
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// Encapsulates the fields of the class G4PVReplica that may not be
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// read-only. G4PVReplica inherits from the class G4VPhysicalVolume.
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// The fields from the ancestor that may not be read-only are handled
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// by the ancestor class.
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public:
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void initialize() {}
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G4int fcopyNo = -1;
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};
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using G4PVRManager = G4GeomSplitter<G4ReplicaData>;
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// Implementation detail for use of G4ReplicaData objects
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class G4PVReplica : public G4VPhysicalVolume
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{
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public:
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G4PVReplica(const G4String& pName,
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G4LogicalVolume* pLogical,
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G4LogicalVolume* pMother,
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const EAxis pAxis,
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const G4int nReplicas,
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const G4double width,
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const G4double offset = 0.);
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G4PVReplica(const G4String& pName,
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G4LogicalVolume* pLogical,
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G4VPhysicalVolume* pMother,
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const EAxis pAxis,
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const G4int nReplicas,
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const G4double width,
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const G4double offset = 0.);
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G4PVReplica(__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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G4PVReplica(const G4PVReplica&) = delete;
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G4PVReplica& operator=(const G4PVReplica&) = delete;
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// Copy constructor and assignment operator not allowed
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virtual ~G4PVReplica();
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virtual EVolume VolumeType() const;
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G4bool IsMany() const;
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G4bool IsReplicated() const;
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virtual G4int GetCopyNo() const;
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virtual void SetCopyNo(G4int CopyNo);
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virtual G4bool IsParameterised() const;
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virtual G4VPVParameterisation* GetParameterisation() const;
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virtual G4int GetMultiplicity() const;
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virtual void GetReplicationData(EAxis& axis,
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G4int& nReplicas,
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G4double& width,
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G4double& offset,
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G4bool& consuming) const;
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virtual void SetRegularStructureId( G4int code );
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// This method must set a unique code for each type of regular structure.
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// - It must be called only during detector construction.
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// - It can also be used to prepare any corresponding special
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// navigation 'conditions'.
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G4bool IsRegularStructure() const;
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G4int GetRegularStructureId() const;
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// Accessors for specialised geometries
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// Methods for handling of MT instances
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inline G4int GetInstanceID() const { return instanceID; }
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// Returns the instance ID.
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static const G4PVRManager& GetSubInstanceManager();
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// Returns the private data instance manager.
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void InitialiseWorker(G4PVReplica* pMasterObject);
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// This method is similar to the constructor. It is used by each worker
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// thread to achieve the partial effect as that of the master thread.
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void TerminateWorker(G4PVReplica* pMasterObject);
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// This method is similar to the destructor. It is used by each worker
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// thread to achieve the partial effect as that of the master thread.
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protected:
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G4PVReplica(const G4String& pName,
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G4int nReplicas,
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EAxis pAxis,
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G4LogicalVolume* pLogical,
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G4LogicalVolume* pMotherLogical);
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// Constructor for derived type(s): PVParameterised, PVDivision, ...
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// Does not set mother or register in mother volume -- leaves it to
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// derived type
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private:
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void CheckAndSetParameters(const EAxis pAxis, const G4int nReplicas,
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const G4double width, const G4double offset);
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void CheckOnlyDaughter(G4LogicalVolume* pMotherLogical);
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// Check that this volume is the only daughter of its proposed mother
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// volume
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protected:
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EAxis faxis;
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G4int fnReplicas;
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G4double fwidth, foffset;
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private:
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G4int fRegularVolsId = 0;
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G4int instanceID;
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// This new field is used as instance ID.
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G4GEOM_DLL static G4PVRManager subInstanceManager;
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// This new field helps to use the class G4PVRManager introduced above.
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};
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// NOTE:
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// The type G4PVRManager is introduced to encapsulate the methods used by
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// both the master thread and worker threads to allocate memory space for
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// the fields encapsulated by the class G4ReplicaData. When each thread
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// initializes the value for these fields, it refers to them using a macro
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// definition defined below. For every G4PVReplica instance, there is
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// a corresponding G4ReplicaData instance. All G4ReplicaData instances are
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// organized by the class G4PVRManager as an array.
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// The field "int instanceID" is added to the class G4PVReplica.
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// The value of this field in each G4LogicalVolume instance is the subscript
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// of the corresponding G4ReplicaData instance.
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// In order to use the class G4PVRManager, we add a static member in the
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// class G4LogicalVolume as follows: "static G4PVRManager subInstanceManager".
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// For the master thread, the array for G4ReplicaData instances grows
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// dynamically along with G4PVReplica instances arecreated.
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// For each worker thread, it copies the array of G4ReplicaData instances
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// from the master thread.
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// In addition, it invokes a method similiar to the constructor explicitly
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// to achieve the partial effect for each instance in the array.
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#endif
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