Import Geant4 4.0.0 source tree
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Gabriele Cosmo
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//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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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. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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// $Id: G4ReflectionFactory.hh,v 1.1 2001/10/18 10:05:08 gcosmo Exp $
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// GEANT4 tag $Name: geant4-04-00 $
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//
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//
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// class G4Reflection
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//
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// Class description:
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//
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// Class providing functions for volumes placements with a general
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// transfomation that can contain reflection.
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// Reflection is then applied to a solid: a new G4ReflectedSolid
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// instance is created and is placed with a transformation containing
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// pure rotation and translation only.
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// The pair of constituent and reflected logical volumes is
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// considered as a generalized logical volume that is addressed
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// by user specifying the constituent logical volume.
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//
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// Decomposition of a general transformation that can include reflection
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// in a "reflection-free" transformation:
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//
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// x(inM') = TG*x(inM) TG - general transformation
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// = T*(R*x(inM)) T - "reflection-free" transformation
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// = T* x(inReflM)
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//
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// Daughters transformation:
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// When a volume V containing daughter D with transformation TD
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// is placed in mother M with a general tranformation TGV,
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// the TGV is decomposed. New reflected volume ReflV containing
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// a new daughter ReflD with reflected transformation ReflTD is created:
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//
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// x(inV) = TD * x(inD);
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// x(inM) = TGV * x(inV)
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// = TV * R * x(inV)
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// = TV * R * TD * x(inD)
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// = TV * R*TD*R-1 * R*x(inD)
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// = TV * ReflTD * x(inReflD)
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// Author: Ivana Hrivnacova, 16.10.2001 (Ivana.Hrivnacova@cern.ch)
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#ifndef G4_REFLECTION_FACTORY_HH
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#define G4_REFLECTION_FACTORY_HH
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#include "G4Transform3D.hh"
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#include "globals.hh"
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#include "geomdefs.hh"
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#include "g4std/map"
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class G4VPhysicalVolume;
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class G4LogicalVolume;
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class G4VSolid;
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typedef G4std::pair<G4VPhysicalVolume*,
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G4VPhysicalVolume*> G4PhysicalVolumesPair;
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class G4ReflectionFactory
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{
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typedef G4std::map<G4LogicalVolume*, G4LogicalVolume*,
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G4std::less<G4LogicalVolume*> > LogicalVolumesMap;
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typedef LogicalVolumesMap::const_iterator LogicalVolumesMapIterator;
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public: // with description
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virtual ~G4ReflectionFactory();
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// Virtual destructor.
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static G4ReflectionFactory* Instance();
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// Gets pointer to the instance of the singleton.
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G4PhysicalVolumesPair Place(const G4Transform3D& transform3D,
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const G4String& name,
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G4LogicalVolume* LV,
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G4LogicalVolume* motherLV,
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G4bool isMany,
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G4int copyNo);
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// Evaluates the passed transformation; if it contains reflection
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// it performs its decomposition, creates new reflected solid and
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// logical volume (or retrieves them from a map if the reflected
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// objects were already created), transforms the daughters (if present)
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// and place it in the given mother.
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// The result is a pair of physical volumes;
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// the second physical volume is a placement in a reflected mother
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// or 0 if mother LV was not reflected.
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G4PhysicalVolumesPair Replicate(const G4String& name,
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G4LogicalVolume* LV,
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G4LogicalVolume* motherLV,
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EAxis axis,
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G4int nofReplicas,
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G4double width,
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G4double offset=0);
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// Creates replica in the given mother.
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// The result is a pair of physical volumes;
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// the second physical volume is a replica in a reflected mother
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// or 0 if mother LV was not reflected.
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void SetVerboseLevel(G4int verboseLevel);
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G4int GetVerboseLevel() const;
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// Sets/gets verbosity level.
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protected:
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G4ReflectionFactory();
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// Protected singleton constructor.
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G4ReflectionFactory(const G4ReflectionFactory&);
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G4ReflectionFactory& operator=(const G4ReflectionFactory&);
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// Disabled copy constructor and assignment operator.
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private:
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G4LogicalVolume* ReflectLV(G4LogicalVolume* LV);
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// Gets/creates the reflected solid and logical volume
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// and copies + transforms LV daughters.
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G4LogicalVolume* CreateReflectedLV(G4LogicalVolume* LV);
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// Creates the reflected solid and logical volume
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// and add the logical volumes pair in the maps.
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void ReflectDaughters(G4LogicalVolume* LV, G4LogicalVolume* refLV);
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// Reflects daughters recursively.
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void ReflectPVPlacement(G4VPhysicalVolume* PV, G4LogicalVolume* refLV);
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// Copies and transforms daughter of PVPlacement type of
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// a constituent volume into a reflected volume.
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void ReflectPVReplica(G4VPhysicalVolume* PV, G4LogicalVolume* refLV);
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// Copies and transforms daughter of PVReplica type of
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// a constituent volume into a reflected volume.
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void ReflectPVParameterised(G4VPhysicalVolume* PV, G4LogicalVolume* refLV);
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// Not implemented yet.
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// Should copy and transform daughter of PVReplica type of
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// a constituent volume into a reflected volume.
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G4LogicalVolume* GetConstituentLV(G4LogicalVolume* reflLV) const;
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// Returns the consituent volume of the given reflected volume,
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// 0 if the given reflected volume was not found.
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G4LogicalVolume* GetReflectedLV(G4LogicalVolume* lv) const;
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// Returns the reflected volume of the given consituent volume,
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// 0 if the given volume was not reflected.
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G4bool IsConstituent(G4LogicalVolume* lv) const;
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// Returns true if the given volume has been already reflected
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// (is in the map of constituent volumes).
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G4bool IsReflected(G4LogicalVolume* lv) const;
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// Returns true if the given volume is a reflected volume
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// (is in the map reflected volumes).
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G4bool IsReflection(const G4Scale3D& scale) const;
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// Returns true if the scale is negative, false otherwise.
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void CheckScale(const G4Scale3D& scale) const;
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// Checks if scale correspond to fScale, if not gives exception.
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void PrintConstituentLVMap();
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// Temporary - for debugging purpose.
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private:
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static G4ReflectionFactory* fInstance;
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static const G4String fNameExtension;
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static const G4Scale3D fScale;
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G4int fVerboseLevel;
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LogicalVolumesMap fConstituentLVMap;
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LogicalVolumesMap fReflectedLVMap;
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};
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#endif
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