Import Geant4 0.0.0 source tree
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Gabriele Cosmo
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// This code implementation is the intellectual property of
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// the RD44 GEANT4 collaboration.
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//
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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 statement,
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// and all its terms.
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//
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// $Id: G4Material.hh,v 2.10 1998/11/30 13:56:57 maire Exp $
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// GEANT4 tag $Name: geant4-00 $
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//
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//
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// ------------------- class G4Material ---------------------
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//
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// Torre Wenaus, November 1995
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//
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// Materials defined via the G4Material class are used to define the
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// composition of Geant volumes.
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// a Material is always made of Elements. It can be defined directly
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// from scratch (defined by a single element), specifying :
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// its name,
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// density,
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// state informations,
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// and Z,A of the underlying Element.
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// or in terms of a collection of constituent Elements with specified weights
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// (composition specified either by fractional mass or atom counts).
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//
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// Quantities, with physical meaning or not, which are constant in a given
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// material are computed and stored here as Derived data members.
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// The class contains as a private static member the table of defined
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// materials (an ordered vector of materials).
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
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// 10-07-96, new data members added by L.Urban
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// 12-12-96, new data members added by L.Urban
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// 20-01-97, aesthetic rearrangement. RadLength calculation modified
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// Data members Zeff and Aeff REMOVED (i.e. passed to the Elements).
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// (local definition of Zeff in DensityEffect and FluctModel...)
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// Vacuum defined as a G4State. Mixture flag removed, M.Maire
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// 29-01-97, State=Vacuum automatically set density=0 in the contructors.
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// Subsequent protections have been put in the calculation of
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// MeanExcEnergy, ShellCorrectionVector, DensityEffect, M.Maire
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// 20-03-97, corrected initialization of pointers, M.Maire
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// 10-06-97, new data member added by V.Grichine (fSandiaPhotoAbsCof)
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// 27-06-97, new function GetElement(int), M.Maire
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// 24-02-98, fFractionVector become fMassFractionVector
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// 28-05-98, kState=kVacuum removed:
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// The vacuum is an ordinary gas vith very low density, M.Maire
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// 12-06-98, new method AddMaterial() allowing mixture of materials, M.Maire
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// 09-07-98, Ionisation parameters removed from the class, M.Maire
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// 04-08-98, new method GetMaterial(materialName), M.Maire
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// 05-10-98, change name: NumDensity -> NbOfAtomsPerVolume
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// 18-11-98, SandiaTable interface modified.
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
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#ifndef G4MATERIAL_HH
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#define G4MATERIAL_HH
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#include "G4ios.hh"
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#include <rw/tpvector.h>
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#include <rw/tpordvec.h>
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#include "globals.hh"
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#include "G4Element.hh"
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#include "G4MaterialPropertiesTable.hh"
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#include "G4IonisParamMat.hh"
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#include "G4SandiaTable.hh"
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typedef RWTPtrVector<G4Element> G4ElementVector;
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class G4Material; //forward declaration
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typedef RWTPtrOrderedVector<G4Material> G4MaterialTable;
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enum G4State { kStateUndefined, kStateSolid, kStateLiquid, kStateGas };
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
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class G4Material
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{
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public:
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//
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// Constructor to create a material from scratch.
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//
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G4Material(const G4String& name, //its name
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G4double z, //atomic number
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G4double a, //mass of mole
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G4double density, //density
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G4State state = kStateUndefined, //solid,liqid,gas
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G4double temp = STP_Temperature, //temperature
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G4double pressure = STP_Pressure); //pressure
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//
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// Constructor to create a material from a combination of elements
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// and/or materials subsequently added via AddElement and/or AddMaterial
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//
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G4Material(const G4String& name, //its name
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G4double density, //density
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G4int nComponents, //nb of components
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G4State state = kStateUndefined, //solid,liquid,gas
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G4double temp = STP_Temperature, //temperature
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G4double pressure = STP_Pressure); //pressure
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//
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// Add an element, giving number of atoms
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//
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void AddElement(G4Element* element, //the element
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G4int nAtoms); //nb of atoms in a molecule
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//
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// Add an element or material, giving fraction of mass
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//
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void AddElement (G4Element* element , //the element
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G4double fraction); //fraction of mass
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void AddMaterial(G4Material* material, //the material
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G4double fraction); //fraction of mass
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~G4Material();
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//
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// retrieval methods
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//
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G4String GetName() const {return fName;};
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G4double GetDensity() const {return fDensity;};
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G4State GetState() const {return fState;};
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G4double GetTemperature() const {return fTemp;};
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G4double GetPressure() const {return fPressure;};
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const
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G4ElementVector* GetElementVector() const {return theElementVector;};
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size_t GetNumberOfElements() const {return fNumberOfElements;};
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const G4double* GetFractionVector() const {return fMassFractionVector;};
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const G4int* GetAtomsVector() const {return fAtomsVector;};
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const
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G4Element* GetElement(G4int iel) const {return (*theElementVector)[iel];};
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void SetMaterialPropertiesTable(G4MaterialPropertiesTable* anMPT)
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{fMaterialPropertiesTable = anMPT;};
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G4MaterialPropertiesTable* GetMaterialPropertiesTable() const
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{return fMaterialPropertiesTable;};
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static
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const G4MaterialTable* GetMaterialTable() {return &theMaterialTable;};
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static
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size_t GetNumberOfMaterials() {return theMaterialTable.length();};
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size_t GetIndex() const {return fIndexInTable;};
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static G4Material* GetMaterial(G4String name);
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const
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G4double* GetVecNbOfAtomsPerVolume() const {return VecNbOfAtomsPerVolume;};
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G4double GetTotNbOfAtomsPerVolume() const {return TotNbOfAtomsPerVolume;};
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G4double GetTotNbOfElectPerVolume() const {return TotNbOfElectPerVolume;};
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//obsolete names (5-10-98) see the 2 functions above
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const
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G4double* GetAtomicNumDensityVector() const {return VecNbOfAtomsPerVolume;};
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G4double GetElectronDensity() const {return TotNbOfElectPerVolume;};
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G4double GetRadlen() const {return fRadlen;};
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G4IonisParamMat* GetIonisation() const {return fIonisation;};
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G4SandiaTable* GetSandiaTable() const {return fSandiaTable;};
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G4double GetZ() const;
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G4double GetA() const;
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friend
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ostream& operator<<(ostream&, G4Material*);
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friend
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ostream& operator<<(ostream&, G4Material&);
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friend
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ostream& operator<<(ostream&, G4MaterialTable);
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G4int operator==(const G4Material&) const;
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G4int operator!=(const G4Material&) const;
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private:
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G4Material(const G4Material&);
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const G4Material& operator=(const G4Material&);
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void InitializePointers();
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// Header routine for all derived quantities
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void ComputeDerivedQuantities();
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// Compute Radiation length
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void ComputeRadiationLength();
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private:
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//
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// Basic data members ( To define a material)
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//
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G4String fName; // Material name
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G4double fDensity; // Material density
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G4State fState; // Material state (defaults to undefined,
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// determined internally based on density)
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G4double fTemp; // Temperature (defaults to STP)
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G4double fPressure; // Pressure (defaults to STP)
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G4int maxNbComponents; // total number of components in the material
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size_t fNumberOfComponents; // Number of components declared so far
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size_t fNumberOfElements; // Number of Elements in the material
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G4ElementVector* theElementVector; // vector of constituent Elements
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G4double* fMassFractionVector; // composition by fractional mass
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G4int* fAtomsVector; // composition by atom count
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G4MaterialPropertiesTable* fMaterialPropertiesTable;
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static
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G4MaterialTable theMaterialTable; // the material table
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size_t fIndexInTable; // Index of material in the material table
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//
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// Derived data members (computed from the basic data members)
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//
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// some general atomic properties
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G4double* VecNbOfAtomsPerVolume; // vector of nb of atoms per volume
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G4double TotNbOfAtomsPerVolume; // total nb of atoms per volume
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G4double TotNbOfElectPerVolume; // total nb of electrons per volume
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G4double fRadlen; // Radiation length
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G4IonisParamMat* fIonisation; // ionisation parameters
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G4SandiaTable* fSandiaTable; // Sandia table
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};
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
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inline
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G4Material* G4Material::GetMaterial(G4String materialName)
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{
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// search the material by its name
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for (G4int J=0 ; J<theMaterialTable.length() ; J++)
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{
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if(theMaterialTable[J]->GetName() == materialName)
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return theMaterialTable[J];
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}
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G4cerr << " Warning from GetMaterial(name). The material: " << materialName
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<< " does not exist in the MaterialTable. Return NULL pointer \n";
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return NULL;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
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inline
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G4double G4Material::GetZ() const
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{
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if (fNumberOfElements > 1) {
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G4cerr << "WARNING in GetZ. The material: " << fName << " is a mixture." << endl;
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G4Exception ( " the Atomic number is not well defined." );
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}
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return (*theElementVector)(0)->GetZ();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
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inline
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G4double G4Material::GetA() const
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{
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if (fNumberOfElements > 1) {
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G4cerr << "WARNING in GetA. The material: " << fName << " is a mixture." << endl;
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G4Exception ( " the Atomic mass is not well defined." );
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}
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return (*theElementVector)(0)->GetA();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
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#endif
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