Geant4 Cross Reference

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Geant4/materials/include/G4Material.hh

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Differences between /materials/include/G4Material.hh (Version 11.3.0) and /materials/include/G4Material.hh (Version 5.1)


  1 //                                                  1 //
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  4 // *                                                4 // *                                                                  *
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 15 // * use.  Please see the license in the file  <<  14 // * use.                                                             *
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 17 // *                                               15 // *                                                                  *
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 19 // * technical work of the GEANT4 collaboratio <<  17 // * GEANT4 collaboration.                                            *
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 23 // * acceptance of all terms of the Geant4 Sof << 
 24 // *******************************************     21 // ********************************************************************
 25                                                << 
 26 //-------------------------------------------- << 
 27 //                                             << 
 28 // ClassName:   G4Material                     << 
 29 //                                                 22 //
 30 // Description: Contains material properties   << 
 31 //                                                 23 //
 32 // Class description:                          <<  24 // $Id: G4Material.hh,v 1.21 2002/08/06 15:14:29 maire Exp $
                                                   >>  25 // GEANT4 tag $Name: geant4-05-01 $
 33 //                                                 26 //
 34 // Is used to define the material composition  <<  27 
 35 // A G4Material is always made of G4Elements.  <<  28 // class description
 36 // the list of G4Elements, material density, m << 
 37 // pressure. Other parameters are optional and << 
 38 // or computed at initialisation.              << 
 39 //                                                 29 //
 40 // There is several ways to construct G4Materi <<  30 // Materials defined via the G4Material class are used to define the
 41 //   - from single element;                    <<  31 // composition of Geant volumes.
 42 //   - from a list of components (elements or  <<  32 // a Material is always made of Elements. It can be defined directly
 43 //   - from internal Geant4 database of materi <<  33 // from scratch (defined by an implicit, single element), specifying :
                                                   >>  34 //                                             its name,
                                                   >>  35 //                                             density,
                                                   >>  36 //                                             state informations,
                                                   >>  37 //                                            and Z,A of the underlying Element.
 44 //                                                 38 //
 45 // A collection of constituent Elements/Materi <<  39 // or in terms of a collection of constituent Elements with specified weights
 46 // with specified weights by fractional mass o <<  40 // (composition specified either by fractional mass or atom counts).
 47 //                                                 41 //
 48 // Quantities, with physical meaning or not, w <<  42 // Quantities, with physical meaning or not, which are constant in a given 
 49 // material are computed and stored here as De     43 // material are computed and stored here as Derived data members.
 50 //                                                 44 //
 51 // The class contains as a private static memb     45 // The class contains as a private static member the Table of defined
 52 // materials (an ordered vector of materials).     46 // materials (an ordered vector of materials).
 53 //                                                 47 //
 54 // It is strongly not recommended to delete ma <<  48 
 55 // All materials will be deleted automatically <<  49 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 56 //                                             <<  50 
 57 // 10-07-96, new data members added by L.Urban     51 // 10-07-96, new data members added by L.Urban
 58 // 12-12-96, new data members added by L.Urban     52 // 12-12-96, new data members added by L.Urban
 59 // 20-01-97, aesthetic rearrangement. RadLengt     53 // 20-01-97, aesthetic rearrangement. RadLength calculation modified
 60 //           Data members Zeff and Aeff REMOVE     54 //           Data members Zeff and Aeff REMOVED (i.e. passed to the Elements).
 61 //           (local definition of Zeff in Dens     55 //           (local definition of Zeff in DensityEffect and FluctModel...)
 62 //           Vacuum defined as a G4State. Mixt <<  56 //           Vacuum defined as a G4State. Mixture flag removed, M.Maire  
 63 // 29-01-97, State=Vacuum automatically set de     57 // 29-01-97, State=Vacuum automatically set density=0 in the contructors.
 64 //           Subsequent protections have been  <<  58 //           Subsequent protections have been put in the calculation of 
 65 //           MeanExcEnergy, ShellCorrectionVec     59 //           MeanExcEnergy, ShellCorrectionVector, DensityEffect, M.Maire
 66 // 20-03-97, corrected initialization of point     60 // 20-03-97, corrected initialization of pointers, M.Maire
 67 // 10-06-97, new data member added by V.Grichi     61 // 10-06-97, new data member added by V.Grichine (fSandiaPhotoAbsCof)
 68 // 27-06-97, new function GetElement(int), M.M     62 // 27-06-97, new function GetElement(int), M.Maire
 69 // 24-02-98, fFractionVector become fMassFract     63 // 24-02-98, fFractionVector become fMassFractionVector
 70 // 28-05-98, kState=kVacuum removed:           <<  64 // 28-05-98, kState=kVacuum removed: 
 71 //           The vacuum is an ordinary gas vit     65 //           The vacuum is an ordinary gas vith very low density, M.Maire
 72 // 12-06-98, new method AddMaterial() allowing     66 // 12-06-98, new method AddMaterial() allowing mixture of materials, M.Maire
 73 // 09-07-98, Ionisation parameters removed fro     67 // 09-07-98, Ionisation parameters removed from the class, M.Maire
 74 // 04-08-98, new method GetMaterial(materialNa     68 // 04-08-98, new method GetMaterial(materialName), M.Maire
 75 // 05-10-98, change name: NumDensity -> NbOfAt     69 // 05-10-98, change name: NumDensity -> NbOfAtomsPerVolume
 76 // 18-11-98, SandiaTable interface modified.       70 // 18-11-98, SandiaTable interface modified.
 77 // 19-07-99, new data member (chemicalFormula)     71 // 19-07-99, new data member (chemicalFormula) added by V.Ivanchenko
 78 // 12-03-01, G4bool fImplicitElement (mma)         72 // 12-03-01, G4bool fImplicitElement (mma)
 79 // 30-03-01, suppression of the warning messag     73 // 30-03-01, suppression of the warning message in GetMaterial
 80 // 17-07-01, migration to STL. M. Verderi.         74 // 17-07-01, migration to STL. M. Verderi.
 81 // 14-09-01, Suppression of the data member fI     75 // 14-09-01, Suppression of the data member fIndexInTable
 82 // 31-10-01, new function SetChemicalFormula()     76 // 31-10-01, new function SetChemicalFormula() (mma)
 83 // 26-02-02, fIndexInTable renewed                 77 // 26-02-02, fIndexInTable renewed
 84 // 06-08-02, remove constructors with Chemical     78 // 06-08-02, remove constructors with ChemicalFormula (mma)
 85 // 15-11-05, GetMaterial(materialName, G4bool  <<  79 
 86 // 13-04-12, std::map<G4Material*,G4double> fM <<  80 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 87 // 21-04-12, fMassOfMolecule (mma)             << 
 88                                                    81 
 89 #ifndef G4MATERIAL_HH                              82 #ifndef G4MATERIAL_HH
 90 #define G4MATERIAL_HH 1                        <<  83 #define G4MATERIAL_HH
 91                                                    84 
                                                   >>  85 #include "globals.hh"
                                                   >>  86 #include "G4ios.hh"
                                                   >>  87 #include "g4std/vector"
 92 #include "G4Element.hh"                            88 #include "G4Element.hh"
 93 #include "G4ElementVector.hh"                  << 
 94 #include "G4IonisParamMat.hh"                  << 
 95 #include "G4MaterialPropertiesTable.hh"            89 #include "G4MaterialPropertiesTable.hh"
 96 #include "G4MaterialTable.hh"                  <<  90 #include "G4IonisParamMat.hh"
 97 #include "G4SandiaTable.hh"                        91 #include "G4SandiaTable.hh"
 98 #include "G4ios.hh"                            <<  92 #include "G4ElementVector.hh"
 99 #include "globals.hh"                          <<  93 #include "G4MaterialTable.hh"
100                                                << 
101 #include <CLHEP/Units/PhysicalConstants.h>     << 
102                                                << 
103 #include <map>                                 << 
104 #include <vector>                              << 
105                                                    94 
106 enum G4State                                   <<  95 enum G4State { kStateUndefined, kStateSolid, kStateLiquid, kStateGas };
107 {                                              << 
108   kStateUndefined = 0,                         << 
109   kStateSolid,                                 << 
110   kStateLiquid,                                << 
111   kStateGas                                    << 
112 };                                             << 
113                                                    96 
114 static const G4double NTP_Temperature = 293.15 <<  97 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
115                                                    98 
116 class G4Material                                   99 class G4Material
117 {                                                 100 {
118  public:  // with description                  << 101 public:  // with description
119   // Constructor to create a material from sin << 
120   G4Material(const G4String& name,  // its nam << 
121     G4double z,  // atomic number              << 
122     G4double a,  // mass of mole               << 
123     G4double density,  // density              << 
124     G4State state = kStateUndefined,  // solid << 
125     G4double temp = NTP_Temperature,  // tempe << 
126     G4double pressure = CLHEP::STP_Pressure);  << 
127                                                   102 
                                                   >> 103   //
                                                   >> 104   // Constructor to create a material from scratch.
                                                   >> 105   //
                                                   >> 106   G4Material(const G4String& name,        //its name
                                                   >> 107                    G4double  z,         //atomic number
                                                   >> 108                    G4double  a,         //mass of mole
                                                   >> 109                    G4double  density,         //density
                                                   >> 110                    G4State   state    = kStateUndefined,  //solid,gas
                                                   >> 111                    G4double  temp     = STP_Temperature,  //temperature
                                                   >> 112                    G4double  pressure = STP_Pressure);    //pressure
                                                   >> 113 
                                                   >> 114   //
128   // Constructor to create a material from a c    115   // Constructor to create a material from a combination of elements
129   // and/or materials subsequently added via A    116   // and/or materials subsequently added via AddElement and/or AddMaterial
130   G4Material(const G4String& name,  // its nam << 117   //
131     G4double density,  // density              << 118   G4Material(const G4String& name,        //its name
132     G4int nComponents,  // nbOfComponents      << 119                    G4double  density,         //density
133     G4State state = kStateUndefined,  // solid << 120                    G4int     nComponents,     //nbOfComponents
134     G4double temp = NTP_Temperature,  // tempe << 121                    G4State   state    = kStateUndefined,  //solid,gas
135     G4double pressure = CLHEP::STP_Pressure);  << 122                    G4double  temp     = STP_Temperature,  //temperature
136                                                << 123                    G4double  pressure = STP_Pressure);    //pressure
137   // Constructor to create a material from the << 
138   G4Material(const G4String& name,  // its nam << 
139     G4double density,  // density              << 
140     const G4Material* baseMaterial,  // base m << 
141     G4State state = kStateUndefined,  // solid << 
142     G4double temp = NTP_Temperature,  // tempe << 
143     G4double pressure = CLHEP::STP_Pressure);  << 
144                                                << 
145   virtual ~G4Material();                       << 
146                                                << 
147   // These methods allow customisation of corr << 
148   // computations. Free electron density above << 
149   // is a conductor. Computation of density ef << 
150   // may be more accurate but require extra co << 
151   void SetChemicalFormula(const G4String& chF) << 
152   void SetFreeElectronDensity(G4double val);   << 
153   void ComputeDensityEffectOnFly(G4bool val);  << 
154                                                << 
155   G4Material(const G4Material&) = delete;      << 
156   const G4Material& operator=(const G4Material << 
157                                                   124 
                                                   >> 125   //
158   // Add an element, giving number of atoms       126   // Add an element, giving number of atoms
159   void AddElementByNumberOfAtoms(const G4Eleme << 127   //
160   inline void AddElement(G4Element* elm, G4int << 128   void AddElement(G4Element* element,       //the element
161                                                << 129                   G4int      nAtoms);       //nb of atoms in
                                                   >> 130                     // a molecule
                                                   >> 131   //
162   // Add an element or material, giving fracti    132   // Add an element or material, giving fraction of mass
163   void AddElementByMassFraction(const G4Elemen << 
164   inline void AddElement(G4Element* elm, G4dou << 
165                                                << 
166   void AddMaterial(G4Material* material, G4dou << 
167                                                << 
168   //                                              133   //
169   // retrieval methods                         << 134   void AddElement (G4Element* element ,       //the element
                                                   >> 135                    G4double   fraction);      //fractionOfMass
                                                   >> 136                      
                                                   >> 137   void AddMaterial(G4Material* material,      //the material
                                                   >> 138                    G4double   fraction);      //fractionOfMass
                                                   >> 139                      
                                                   >> 140                      
                                                   >> 141   virtual ~G4Material();
                                                   >> 142   
                                                   >> 143   void SetChemicalFormula(const G4String& chF) {fChemicalFormula=chF;};
                                                   >> 144                           
170   //                                              145   //
171   inline const G4String& GetName() const { ret << 146   // retrieval methods
172   inline const G4String& GetChemicalFormula()  << 147   // 
173   inline G4double GetFreeElectronDensity() con << 148   G4String GetName()            const {return fName;};
174   inline G4double GetDensity() const { return  << 149   G4String GetChemicalFormula() const {return fChemicalFormula;};
175   inline G4State GetState() const { return fSt << 150   G4double GetDensity()         const {return fDensity;};
176   inline G4double GetTemperature() const { ret << 151 
177   inline G4double GetPressure() const { return << 152   G4State  GetState()       const {return fState;};
178                                                << 153   G4double GetTemperature() const {return fTemp;};
179   // number of elements constituing this mater << 154   G4double GetPressure()    const {return fPressure;};
180   inline std::size_t GetNumberOfElements() con << 155     
181                                                << 156   //number of elements constituing this material:    
182   // vector of pointers to elements constituin << 157   size_t GetNumberOfElements()         const {return fNumberOfElements;};
183   inline const G4ElementVector* GetElementVect << 158     
184                                                << 159   //vector of pointers to elements constituing this material:          
185   // vector of fractional mass of each element << 160   const
186   inline const G4double* GetFractionVector() c << 161   G4ElementVector* GetElementVector()  const {return theElementVector;};
187                                                << 162   
188   // vector of atom count of each element:     << 163   //vector of fractional mass of each element:
189   inline const G4int* GetAtomsVector() const { << 164   const  G4double* GetFractionVector() const {return fMassFractionVector;};
190                                                << 165     
191   // return a pointer to an element, given its << 166   //vector of atom count of each element:
192   inline const G4Element* GetElement(G4int iel << 167   const  G4int*    GetAtomsVector()    const {return fAtomsVector;};
193                                                << 168 
194   // vector of nb of atoms per volume of each  << 169   //return a pointer to an element, given its index in the material:
195   inline const G4double* GetVecNbOfAtomsPerVol << 170   const 
196   // total number of atoms per volume:         << 171   G4Element* GetElement(G4int iel) const {return (*theElementVector)[iel];};
197   inline G4double GetTotNbOfAtomsPerVolume() c << 172   
198   // total number of electrons per volume:     << 173   //vector of nb of atoms per volume of each element in this material:
199   inline G4double GetTotNbOfElectPerVolume() c << 174   const
200                                                << 175   G4double* GetVecNbOfAtomsPerVolume() const {return VecNbOfAtomsPerVolume;};
201   // obsolete names (5-10-98) see the 2 functi << 176   //total number of atoms per volume:
202   inline const G4double* GetAtomicNumDensityVe << 177   G4double  GetTotNbOfAtomsPerVolume() const {return TotNbOfAtomsPerVolume;};
203   inline G4double GetElectronDensity() const { << 178   //total number of electrons per volume:
204                                                << 179   G4double  GetTotNbOfElectPerVolume() const {return TotNbOfElectPerVolume;};
205   // Radiation length:                         << 180 
206   inline G4double GetRadlen() const { return f << 181   //obsolete names (5-10-98) see the 2 functions above
207                                                << 182   const
208   // Nuclear interaction length                << 183   G4double* GetAtomicNumDensityVector() const {return VecNbOfAtomsPerVolume;};
209   inline G4double GetNuclearInterLength() cons << 184   G4double  GetElectronDensity()        const {return TotNbOfElectPerVolume;};
210                                                << 185     
                                                   >> 186   // Radiation length:     
                                                   >> 187   G4double         GetRadlen()          const {return fRadlen;};
                                                   >> 188     
                                                   >> 189   // Nuclear interaction length:     
                                                   >> 190   G4double GetNuclearInterLength()      const {return fNuclInterLen;};
                                                   >> 191         
211   // ionisation parameters:                       192   // ionisation parameters:
212   inline G4IonisParamMat* GetIonisation() cons << 193   G4IonisParamMat* GetIonisation()      const {return fIonisation;};
213                                                << 194   
214   // Sandia table:                                195   // Sandia table:
215   inline G4SandiaTable* GetSandiaTable() const << 196   G4SandiaTable*   GetSandiaTable()     const {return fSandiaTable;};
216                                                << 197   
217   // Base material:                            << 198   //meaningful only for single material:
218   inline const G4Material* GetBaseMaterial() c << 
219                                                << 
220   // material components:                      << 
221   inline const std::map<G4Material*, G4double> << 
222                                                << 
223   // for chemical compound                     << 
224   inline G4double GetMassOfMolecule() const {  << 
225                                                << 
226   // meaningful only for single material:      << 
227   G4double GetZ() const;                          199   G4double GetZ() const;
228   G4double GetA() const;                          200   G4double GetA() const;
                                                   >> 201   
                                                   >> 202   //the MaterialPropertiesTable (if any) attached to this material:
                                                   >> 203   void SetMaterialPropertiesTable(G4MaterialPropertiesTable* anMPT)
                                                   >> 204                                      {fMaterialPropertiesTable = anMPT;};
                                                   >> 205                  
                                                   >> 206   G4MaterialPropertiesTable* GetMaterialPropertiesTable() const
                                                   >> 207                                      {return fMaterialPropertiesTable;};
229                                                   208 
230   // the MaterialPropertiesTable (if any) atta << 209   //the (static) Table of Materials:
231   void SetMaterialPropertiesTable(G4MaterialPr << 210   //
232                                                << 211   static
233   inline G4MaterialPropertiesTable* GetMateria << 212   const G4MaterialTable* GetMaterialTable();
234   {                                            << 213       
235     return fMaterialPropertiesTable;           << 214   static
236   }                                            << 215   size_t GetNumberOfMaterials();
237                                                << 216   
238   // the index of this material in the Table:  << 217   //the index of this material in the Table:    
239   inline std::size_t GetIndex() const { return << 218   size_t GetIndex() const {return fIndexInTable;};
240                                                << 219     
241   // the static Table of Materials:            << 220   //return  pointer to a material, given its name:    
242   static G4MaterialTable* GetMaterialTable();  << 221   static  G4Material* GetMaterial(G4String name);
243                                                << 222   
244   static std::size_t GetNumberOfMaterials();   << 223   //
245                                                << 224   //printing methods
246   // return  pointer to a material, given its  << 225   //
247   static G4Material* GetMaterial(const G4Strin << 226   friend G4std::ostream& operator<<(G4std::ostream&, G4Material*);    
248                                                << 227   friend G4std::ostream& operator<<(G4std::ostream&, G4Material&);    
249   // return  pointer to a simple material, giv << 228   friend G4std::ostream& operator<<(G4std::ostream&, G4MaterialTable);
250   static G4Material* GetMaterial(G4double z, G << 229     
251                                                << 230 public:  // without description 
252   // return  pointer to a composit material, g << 231        
253   static G4Material* GetMaterial(std::size_t n << 232   G4int operator==(const G4Material&) const;
254                                                << 233   G4int operator!=(const G4Material&) const;
255   // printing methods                          << 
256   friend std::ostream& operator<<(std::ostream << 
257   friend std::ostream& operator<<(std::ostream << 
258   friend std::ostream& operator<<(std::ostream << 
259                                                << 
260   inline void SetName(const G4String& name) {  << 
261                                                   234 
262   virtual G4bool IsExtended() const;           << 235 private:
263                                                   236 
264   // operators                                 << 237   G4Material(const G4Material&);
265   G4bool operator==(const G4Material&) const = << 238   const G4Material& operator=(const G4Material&);
266   G4bool operator!=(const G4Material&) const = << 
267                                                   239 
268  private:                                      << 
269   void InitializePointers();                      240   void InitializePointers();
270                                                << 241    
271   // Header routine for all derived quantities    242   // Header routine for all derived quantities
272   void ComputeDerivedQuantities();                243   void ComputeDerivedQuantities();
273                                                   244 
274   // Compute Radiation length                     245   // Compute Radiation length
275   void ComputeRadiationLength();                  246   void ComputeRadiationLength();
276                                                << 247   
277   // Compute Nuclear interaction length           248   // Compute Nuclear interaction length
278   void ComputeNuclearInterLength();               249   void ComputeNuclearInterLength();
                                                   >> 250     
                                                   >> 251 private:
279                                                   252 
280   // Copy pointers of base material            << 253   //
281   void CopyPointersOfBaseMaterial();           << 254   // Basic data members ( To define a material)
282                                                << 255   //
283   void FillVectors();                          << 
284                                                   256 
285   G4bool IsLocked();                           << 257   G4String         fName;                 // Material name
                                                   >> 258   G4String         fChemicalFormula;      // Material chemical formula
                                                   >> 259   G4double         fDensity;              // Material density
                                                   >> 260   
                                                   >> 261   G4State          fState;                // Material state (determined 
                                                   >> 262                                           // internally based on density)
                                                   >> 263   G4double         fTemp;                 // Temperature (defaults: STP)
                                                   >> 264   G4double         fPressure;             // Pressure    (defaults: STP)
                                                   >> 265 
                                                   >> 266   G4int            maxNbComponents;       // totalNbOfComponentsInTheMaterial 
                                                   >> 267   size_t           fNumberOfComponents;   // Nb of components declared so far
                                                   >> 268 
                                                   >> 269   size_t           fNumberOfElements;     // Nb of Elements in the material
                                                   >> 270   G4ElementVector* theElementVector;      // vector of constituent Elements
                                                   >> 271   G4bool           fImplicitElement;      // implicit Element created by this?
                                                   >> 272   G4double*        fMassFractionVector;   // composition by fractional mass
                                                   >> 273   G4int*           fAtomsVector;          // composition by atom count
286                                                   274 
287   const G4Material* fBaseMaterial;  // Pointer << 
288   G4MaterialPropertiesTable* fMaterialProperti    275   G4MaterialPropertiesTable* fMaterialPropertiesTable;
289                                                   276 
                                                   >> 277   static
                                                   >> 278   G4MaterialTable theMaterialTable;       // the material table
                                                   >> 279   size_t fIndexInTable;                   // the position in the table 
                                                   >> 280 
290   //                                              281   //
291   // General atomic properties defined in cons << 282   // Derived data members (computed from the basic data members)
292   // computed from the basic data members      << 
293   //                                              283   //
                                                   >> 284   // some general atomic properties
                                                   >> 285    
                                                   >> 286   G4double* VecNbOfAtomsPerVolume;        // vector of nb of atoms per volume
                                                   >> 287   G4double  TotNbOfAtomsPerVolume;        // total nb of atoms per volume 
                                                   >> 288   G4double  TotNbOfElectPerVolume;        // total nb of electrons per volume 
                                                   >> 289   G4double  fRadlen;                      // Radiation length
                                                   >> 290   G4double  fNuclInterLen;                // Nuclear interaction length  
                                                   >> 291   
                                                   >> 292   G4IonisParamMat* fIonisation;           // ionisation parameters
                                                   >> 293   G4SandiaTable*   fSandiaTable;          // Sandia table         
                                                   >> 294 };
294                                                   295 
295   G4ElementVector* theElementVector;  // vecto << 296 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
296   G4int* fAtomsVector;  // composition by atom << 
297   G4double* fMassFractionVector;  // compositi << 
298   G4double* fVecNbOfAtomsPerVolume;  // number << 
299                                                << 
300   G4IonisParamMat* fIonisation;  // ionisation << 
301   G4SandiaTable* fSandiaTable;  // Sandia tabl << 
302                                                << 
303   G4double fDensity;  // Material density      << 
304   G4double fFreeElecDensity;  // Free electron << 
305   G4double fTemp;  // Temperature (defaults: S << 
306   G4double fPressure;  // Pressure    (default << 
307                                                << 
308   G4double fTotNbOfAtomsPerVolume;  // Total n << 
309   G4double fTotNbOfElectPerVolume;  // Total n << 
310   G4double fRadlen;  // Radiation length       << 
311   G4double fNuclInterLen;  // Nuclear interact << 
312   G4double fMassOfMolecule;  // Correct for ma << 
313                                                << 
314   G4State fState;  // Material state           << 
315   std::size_t fIndexInTable;  // Index in the  << 
316   G4int fNumberOfElements;  // Number of G4Ele << 
317                                                << 
318   // Class members used only at initialisation << 
319   G4int fNbComponents;  // Number of component << 
320   G4int fIdxComponent;  // Index of a new comp << 
321   G4bool fMassFraction;  // Flag of the method << 
322                                                << 
323   // For composites built                      << 
324   std::vector<G4int>* fAtoms = nullptr;        << 
325   std::vector<G4double>* fElmFrac = nullptr;   << 
326   std::vector<const G4Element*>* fElm = nullpt << 
327                                                   297 
328   // For composites built via AddMaterial()    << 298 inline
329   std::map<G4Material*, G4double> fMatComponen << 299 G4double G4Material::GetZ() const
                                                   >> 300 { 
                                                   >> 301   if (fNumberOfElements > 1) {
                                                   >> 302      G4cerr << "WARNING in GetZ. The material: " << fName << " is a mixture."
                                                   >> 303             << G4endl;
                                                   >> 304      G4Exception ( " the Atomic number is not well defined." );
                                                   >> 305   } 
                                                   >> 306   return (*theElementVector)[0]->GetZ();      
                                                   >> 307 }
                                                   >> 308 
                                                   >> 309 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
                                                   >> 310 
                                                   >> 311 inline
                                                   >> 312 G4double G4Material::GetA() const
                                                   >> 313 { 
                                                   >> 314   if (fNumberOfElements > 1) { 
                                                   >> 315      G4cerr << "WARNING in GetA. The material: " << fName << " is a mixture."
                                                   >> 316             << G4endl;
                                                   >> 317      G4Exception ( " the Atomic mass is not well defined." );
                                                   >> 318   } 
                                                   >> 319   return  (*theElementVector)[0]->GetA();      
                                                   >> 320 }
330                                                   321 
331   G4String fName;  // Material name            << 322 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
332   G4String fChemicalFormula;  // Material chem << 
333 };                                             << 
334                                                   323 
335 #endif                                            324 #endif
336                                                   325