// // ******************************************************************** // * License and Disclaimer * // * * // * The Geant4 software is copyright of the Copyright Holders of * // * the Geant4 Collaboration. It is provided under the terms and * // * conditions of the Geant4 Software License, included in the file * // * LICENSE and available at http://cern.ch/geant4/license . These * // * include a list of copyright holders. * // * * // * Neither the authors of this software system, nor their employing * // * institutes,nor the agencies providing financial support for this * // * work make any representation or warranty, express or implied, * // * regarding this software system or assume any liability for its * // * use. Please see the license in the file LICENSE and URL above * // * for the full disclaimer and the limitation of liability. * // * * // * This code implementation is the result of the scientific and * // * technical work of the GEANT4 collaboration. * // * By using, copying, modifying or distributing the software (or * // * any work based on the software) you agree to acknowledge its * // * use in resulting scientific publications, and indicate your * // * acceptance of all terms of the Geant4 Software license. * // ******************************************************************** // // // $Id: G4Material.hh,v 1.28 2010/05/14 14:34:50 vnivanch Exp $ // GEANT4 tag $Name: geant4-09-04-beta-01 $ // // class description // // Materials defined via the G4Material class are used to define the // composition of Geant volumes. // a Material is always made of Elements. It can be defined directly // from scratch (defined by an implicit, single element), specifying : // its name, // density, // state informations, // and Z,A of the underlying Element. // // or in terms of a collection of constituent Elements with specified weights // (composition specified either by fractional mass or atom counts). // // Quantities, with physical meaning or not, which are constant in a given // material are computed and stored here as Derived data members. // // The class contains as a private static member the Table of defined // materials (an ordered vector of materials). // //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... // 10-07-96, new data members added by L.Urban // 12-12-96, new data members added by L.Urban // 20-01-97, aesthetic rearrangement. RadLength calculation modified // Data members Zeff and Aeff REMOVED (i.e. passed to the Elements). // (local definition of Zeff in DensityEffect and FluctModel...) // Vacuum defined as a G4State. Mixture flag removed, M.Maire // 29-01-97, State=Vacuum automatically set density=0 in the contructors. // Subsequent protections have been put in the calculation of // MeanExcEnergy, ShellCorrectionVector, DensityEffect, M.Maire // 20-03-97, corrected initialization of pointers, M.Maire // 10-06-97, new data member added by V.Grichine (fSandiaPhotoAbsCof) // 27-06-97, new function GetElement(int), M.Maire // 24-02-98, fFractionVector become fMassFractionVector // 28-05-98, kState=kVacuum removed: // The vacuum is an ordinary gas vith very low density, M.Maire // 12-06-98, new method AddMaterial() allowing mixture of materials, M.Maire // 09-07-98, Ionisation parameters removed from the class, M.Maire // 04-08-98, new method GetMaterial(materialName), M.Maire // 05-10-98, change name: NumDensity -> NbOfAtomsPerVolume // 18-11-98, SandiaTable interface modified. // 19-07-99, new data member (chemicalFormula) added by V.Ivanchenko // 12-03-01, G4bool fImplicitElement (mma) // 30-03-01, suppression of the warning message in GetMaterial // 17-07-01, migration to STL. M. Verderi. // 14-09-01, Suppression of the data member fIndexInTable // 31-10-01, new function SetChemicalFormula() (mma) // 26-02-02, fIndexInTable renewed // 06-08-02, remove constructors with ChemicalFormula (mma) // 15-11-05, GetMaterial(materialName, G4bool warning=true) //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... #ifndef G4MATERIAL_HH #define G4MATERIAL_HH #include "globals.hh" #include "G4ios.hh" #include #include "G4Element.hh" #include "G4MaterialPropertiesTable.hh" #include "G4IonisParamMat.hh" #include "G4SandiaTable.hh" #include "G4ElementVector.hh" #include "G4MaterialTable.hh" enum G4State { kStateUndefined = 0, kStateSolid, kStateLiquid, kStateGas }; //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... class G4Material { public: // with description // // Constructor to create a material from scratch. // G4Material(const G4String& name, //its name G4double z, //atomic number G4double a, //mass of mole G4double density, //density G4State state = kStateUndefined, //solid,gas G4double temp = STP_Temperature, //temperature G4double pressure = STP_Pressure); //pressure // // Constructor to create a material from a combination of elements // and/or materials subsequently added via AddElement and/or AddMaterial // G4Material(const G4String& name, //its name G4double density, //density G4int nComponents, //nbOfComponents G4State state = kStateUndefined, //solid,gas G4double temp = STP_Temperature, //temperature G4double pressure = STP_Pressure); //pressure // // Add an element, giving number of atoms // void AddElement(G4Element* element, //the element G4int nAtoms); //nb of atoms in // a molecule // // Add an element or material, giving fraction of mass // void AddElement (G4Element* element , //the element G4double fraction); //fractionOfMass void AddMaterial(G4Material* material, //the material G4double fraction); //fractionOfMass virtual ~G4Material(); void SetChemicalFormula (const G4String& chF) {fChemicalFormula=chF;} // // retrieval methods // const G4String& GetName() const {return fName;} const G4String& GetChemicalFormula() const {return fChemicalFormula;} G4double GetDensity() const {return fDensity;} G4State GetState() const {return fState;} G4double GetTemperature() const {return fTemp;} G4double GetPressure() const {return fPressure;} //number of elements constituing this material: size_t GetNumberOfElements() const {return fNumberOfElements;} //vector of pointers to elements constituing this material: const G4ElementVector* GetElementVector() const {return theElementVector;} //vector of fractional mass of each element: const G4double* GetFractionVector() const {return fMassFractionVector;} //vector of atom count of each element: const G4int* GetAtomsVector() const {return fAtomsVector;} //return a pointer to an element, given its index in the material: const G4Element* GetElement(G4int iel) const {return (*theElementVector)[iel];} //vector of nb of atoms per volume of each element in this material: const G4double* GetVecNbOfAtomsPerVolume() const {return VecNbOfAtomsPerVolume;} //total number of atoms per volume: G4double GetTotNbOfAtomsPerVolume() const {return TotNbOfAtomsPerVolume;} //total number of electrons per volume: G4double GetTotNbOfElectPerVolume() const {return TotNbOfElectPerVolume;} //obsolete names (5-10-98) see the 2 functions above const G4double* GetAtomicNumDensityVector() const {return VecNbOfAtomsPerVolume;} G4double GetElectronDensity() const {return TotNbOfElectPerVolume;} // Radiation length: G4double GetRadlen() const {return fRadlen;} // Nuclear interaction length: G4double GetNuclearInterLength() const {return fNuclInterLen;} // ionisation parameters: G4IonisParamMat* GetIonisation() const {return fIonisation;} // Sandia table: G4SandiaTable* GetSandiaTable() const {return fSandiaTable;} //meaningful only for single material: G4double GetZ() const; G4double GetA() const; //the MaterialPropertiesTable (if any) attached to this material: void SetMaterialPropertiesTable(G4MaterialPropertiesTable* anMPT) {fMaterialPropertiesTable = anMPT;} G4MaterialPropertiesTable* GetMaterialPropertiesTable() const {return fMaterialPropertiesTable;} //the (static) Table of Materials: // static const G4MaterialTable* GetMaterialTable(); static size_t GetNumberOfMaterials(); //the index of this material in the Table: size_t GetIndex() const {return fIndexInTable;} //return pointer to a material, given its name: static G4Material* GetMaterial(G4String name, G4bool warning=true); // //printing methods // friend std::ostream& operator<<(std::ostream&, G4Material*); friend std::ostream& operator<<(std::ostream&, G4Material&); friend std::ostream& operator<<(std::ostream&, G4MaterialTable); public: // without description G4int operator==(const G4Material&) const; G4int operator!=(const G4Material&) const; G4Material(__void__&); // Fake default constructor for usage restricted to direct object // persistency for clients requiring preallocation of memory for // persistifiable objects. void SetName (const G4String& name) {fName=name;} private: G4Material(const G4Material&); const G4Material& operator=(const G4Material&); void InitializePointers(); // Header routine for all derived quantities void ComputeDerivedQuantities(); // Compute Radiation length void ComputeRadiationLength(); // Compute Nuclear interaction length void ComputeNuclearInterLength(); private: // // Basic data members ( To define a material) // G4String fName; // Material name G4String fChemicalFormula; // Material chemical formula G4double fDensity; // Material density G4State fState; // Material state (determined // internally based on density) G4double fTemp; // Temperature (defaults: STP) G4double fPressure; // Pressure (defaults: STP) G4int maxNbComponents; // totalNbOfComponentsInTheMaterial G4int fArrayLength; // the length of FAtomVector size_t fNumberOfComponents; // Nb of components declared so far size_t fNumberOfElements; // Nb of Elements in the material G4ElementVector* theElementVector; // vector of constituent Elements G4bool fImplicitElement; // implicit Element created by this? G4double* fMassFractionVector; // composition by fractional mass G4int* fAtomsVector; // composition by atom count G4MaterialPropertiesTable* fMaterialPropertiesTable; static G4MaterialTable theMaterialTable; // the material table size_t fIndexInTable; // the position in the table // // Derived data members (computed from the basic data members) // // some general atomic properties G4double* VecNbOfAtomsPerVolume; // vector of nb of atoms per volume G4double TotNbOfAtomsPerVolume; // total nb of atoms per volume G4double TotNbOfElectPerVolume; // total nb of electrons per volume G4double fRadlen; // Radiation length G4double fNuclInterLen; // Nuclear interaction length G4IonisParamMat* fIonisation; // ionisation parameters G4SandiaTable* fSandiaTable; // Sandia table }; //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... inline G4double G4Material::GetZ() const { if (fNumberOfElements > 1) { G4cerr << "WARNING in GetZ. The material: " << fName << " is a mixture." << G4endl; G4Exception ( " the Atomic number is not well defined." ); } return (*theElementVector)[0]->GetZ(); } //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... inline G4double G4Material::GetA() const { if (fNumberOfElements > 1) { G4cerr << "WARNING in GetA. The material: " << fName << " is a mixture." << G4endl; G4Exception ( " the Atomic mass is not well defined." ); } return (*theElementVector)[0]->GetA(); } //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... #endif