| Geant4 Cross Reference |
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>> 25 //
>> 26 //
>> 27 // $Id: G4Material.hh,v 1.28 2010-05-14 14:34:50 vnivanch Exp $
>> 28 // GEANT4 tag $Name: not supported by cvs2svn $
>> 29 //
25 30
26 //-------------------------------------------- 31 //---------------------------------------------------------------------------
27 // 32 //
28 // ClassName: G4Material 33 // ClassName: G4Material
29 // 34 //
30 // Description: Contains material properties 35 // Description: Contains material properties
31 // 36 //
32 // Class description: 37 // Class description:
33 // 38 //
34 // Is used to define the material composition 39 // Is used to define the material composition of Geant4 volumes.
35 // A G4Material is always made of G4Elements. << 40 // A G4Material is always made of G4Elements. It should has the name,
36 // the list of G4Elements, material density, m << 41 // the list of G4Elements, material density, material state, temperature,
37 // pressure. Other parameters are optional and << 42 // pressure. Other parameters are optional and may be set by the user code
38 // or computed at initialisation. << 43 // or computed at initialisation.
39 // << 44 //
40 // There is several ways to construct G4Materi 45 // There is several ways to construct G4Material:
41 // - from single element; 46 // - from single element;
42 // - from a list of components (elements or 47 // - from a list of components (elements or other materials);
43 // - from internal Geant4 database of materi 48 // - from internal Geant4 database of materials
44 // 49 //
45 // A collection of constituent Elements/Materi << 50 // A collection of constituent Elements/Materials should be defined
46 // with specified weights by fractional mass o 51 // with specified weights by fractional mass or atom counts (only for Elements).
47 // 52 //
48 // Quantities, with physical meaning or not, w << 53 // Quantities, with physical meaning or not, which are constant in a given
49 // material are computed and stored here as De 54 // material are computed and stored here as Derived data members.
50 // 55 //
51 // The class contains as a private static memb 56 // The class contains as a private static member the Table of defined
52 // materials (an ordered vector of materials). 57 // materials (an ordered vector of materials).
53 // 58 //
54 // It is strongly not recommended to delete ma 59 // It is strongly not recommended to delete materials in user code.
55 // All materials will be deleted automatically 60 // All materials will be deleted automatically at the end of Geant4 session.
56 // 61 //
>> 62
>> 63 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 64
57 // 10-07-96, new data members added by L.Urban 65 // 10-07-96, new data members added by L.Urban
58 // 12-12-96, new data members added by L.Urban 66 // 12-12-96, new data members added by L.Urban
59 // 20-01-97, aesthetic rearrangement. RadLengt 67 // 20-01-97, aesthetic rearrangement. RadLength calculation modified
60 // Data members Zeff and Aeff REMOVE 68 // Data members Zeff and Aeff REMOVED (i.e. passed to the Elements).
61 // (local definition of Zeff in Dens 69 // (local definition of Zeff in DensityEffect and FluctModel...)
62 // Vacuum defined as a G4State. Mixt << 70 // Vacuum defined as a G4State. Mixture flag removed, M.Maire
63 // 29-01-97, State=Vacuum automatically set de 71 // 29-01-97, State=Vacuum automatically set density=0 in the contructors.
64 // Subsequent protections have been << 72 // Subsequent protections have been put in the calculation of
65 // MeanExcEnergy, ShellCorrectionVec 73 // MeanExcEnergy, ShellCorrectionVector, DensityEffect, M.Maire
66 // 20-03-97, corrected initialization of point 74 // 20-03-97, corrected initialization of pointers, M.Maire
67 // 10-06-97, new data member added by V.Grichi 75 // 10-06-97, new data member added by V.Grichine (fSandiaPhotoAbsCof)
68 // 27-06-97, new function GetElement(int), M.M 76 // 27-06-97, new function GetElement(int), M.Maire
69 // 24-02-98, fFractionVector become fMassFract 77 // 24-02-98, fFractionVector become fMassFractionVector
70 // 28-05-98, kState=kVacuum removed: << 78 // 28-05-98, kState=kVacuum removed:
71 // The vacuum is an ordinary gas vit 79 // The vacuum is an ordinary gas vith very low density, M.Maire
72 // 12-06-98, new method AddMaterial() allowing 80 // 12-06-98, new method AddMaterial() allowing mixture of materials, M.Maire
73 // 09-07-98, Ionisation parameters removed fro 81 // 09-07-98, Ionisation parameters removed from the class, M.Maire
74 // 04-08-98, new method GetMaterial(materialNa 82 // 04-08-98, new method GetMaterial(materialName), M.Maire
75 // 05-10-98, change name: NumDensity -> NbOfAt 83 // 05-10-98, change name: NumDensity -> NbOfAtomsPerVolume
76 // 18-11-98, SandiaTable interface modified. 84 // 18-11-98, SandiaTable interface modified.
77 // 19-07-99, new data member (chemicalFormula) 85 // 19-07-99, new data member (chemicalFormula) added by V.Ivanchenko
78 // 12-03-01, G4bool fImplicitElement (mma) 86 // 12-03-01, G4bool fImplicitElement (mma)
79 // 30-03-01, suppression of the warning messag 87 // 30-03-01, suppression of the warning message in GetMaterial
80 // 17-07-01, migration to STL. M. Verderi. 88 // 17-07-01, migration to STL. M. Verderi.
81 // 14-09-01, Suppression of the data member fI 89 // 14-09-01, Suppression of the data member fIndexInTable
82 // 31-10-01, new function SetChemicalFormula() 90 // 31-10-01, new function SetChemicalFormula() (mma)
83 // 26-02-02, fIndexInTable renewed 91 // 26-02-02, fIndexInTable renewed
84 // 06-08-02, remove constructors with Chemical 92 // 06-08-02, remove constructors with ChemicalFormula (mma)
85 // 15-11-05, GetMaterial(materialName, G4bool 93 // 15-11-05, GetMaterial(materialName, G4bool warning=true)
86 // 13-04-12, std::map<G4Material*,G4double> fM << 94
87 // 21-04-12, fMassOfMolecule (mma) << 95 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
88 96
89 #ifndef G4MATERIAL_HH 97 #ifndef G4MATERIAL_HH
90 #define G4MATERIAL_HH 1 98 #define G4MATERIAL_HH 1
91 99
>> 100 #include "globals.hh"
>> 101 #include "G4ios.hh"
>> 102 #include <vector>
92 #include "G4Element.hh" 103 #include "G4Element.hh"
93 #include "G4ElementVector.hh" <<
94 #include "G4IonisParamMat.hh" <<
95 #include "G4MaterialPropertiesTable.hh" 104 #include "G4MaterialPropertiesTable.hh"
96 #include "G4MaterialTable.hh" << 105 #include "G4IonisParamMat.hh"
97 #include "G4SandiaTable.hh" 106 #include "G4SandiaTable.hh"
98 #include "G4ios.hh" << 107 #include "G4ElementVector.hh"
99 #include "globals.hh" << 108 #include "G4MaterialTable.hh"
100 <<
101 #include <CLHEP/Units/PhysicalConstants.h> <<
102 <<
103 #include <map> <<
104 #include <vector> <<
105 109
106 enum G4State << 110 enum G4State { kStateUndefined = 0, kStateSolid, kStateLiquid, kStateGas };
107 { <<
108 kStateUndefined = 0, <<
109 kStateSolid, <<
110 kStateLiquid, <<
111 kStateGas <<
112 }; <<
113 111
114 static const G4double NTP_Temperature = 293.15 << 112 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
115 113
116 class G4Material 114 class G4Material
117 { 115 {
118 public: // with description << 116 public: // with description
>> 117
>> 118 //
119 // Constructor to create a material from sin 119 // Constructor to create a material from single element
120 G4Material(const G4String& name, // its nam << 120 //
121 G4double z, // atomic number << 121 G4Material(const G4String& name, //its name
122 G4double a, // mass of mole << 122 G4double z, //atomic number
123 G4double density, // density << 123 G4double a, //mass of mole
124 G4State state = kStateUndefined, // solid << 124 G4double density, //density
125 G4double temp = NTP_Temperature, // tempe << 125 G4State state = kStateUndefined, //solid,gas
126 G4double pressure = CLHEP::STP_Pressure); << 126 G4double temp = STP_Temperature, //temperature
>> 127 G4double pressure = STP_Pressure); //pressure
127 128
>> 129 //
128 // Constructor to create a material from a c 130 // Constructor to create a material from a combination of elements
129 // and/or materials subsequently added via A 131 // and/or materials subsequently added via AddElement and/or AddMaterial
130 G4Material(const G4String& name, // its nam << 132 //
131 G4double density, // density << 133 G4Material(const G4String& name, //its name
132 G4int nComponents, // nbOfComponents << 134 G4double density, //density
133 G4State state = kStateUndefined, // solid << 135 G4int nComponents, //nbOfComponents
134 G4double temp = NTP_Temperature, // tempe << 136 G4State state = kStateUndefined, //solid,gas
135 G4double pressure = CLHEP::STP_Pressure); << 137 G4double temp = STP_Temperature, //temperature
>> 138 G4double pressure = STP_Pressure); //pressure
136 139
>> 140 //
137 // Constructor to create a material from the 141 // Constructor to create a material from the base material
138 G4Material(const G4String& name, // its nam << 142 //
139 G4double density, // density << 143 G4Material(const G4String& name, //its name
140 const G4Material* baseMaterial, // base m << 144 G4double density, //density
141 G4State state = kStateUndefined, // solid << 145 const G4Material* baseMaterial, //base material
142 G4double temp = NTP_Temperature, // tempe << 146 G4State state = kStateUndefined, //solid,gas
143 G4double pressure = CLHEP::STP_Pressure); << 147 G4double temp = STP_Temperature, //temperature
144 << 148 G4double pressure = STP_Pressure); //pressure
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 <<
157 149
>> 150 //
158 // Add an element, giving number of atoms 151 // Add an element, giving number of atoms
159 void AddElementByNumberOfAtoms(const G4Eleme << 152 //
160 inline void AddElement(G4Element* elm, G4int << 153 void AddElement(G4Element* element, //the element
161 << 154 G4int nAtoms); //nb of atoms in
>> 155 // a molecule
>> 156 //
162 // Add an element or material, giving fracti 157 // Add an element or material, giving fraction of mass
163 void AddElementByMassFraction(const G4Elemen << 158 //
164 inline void AddElement(G4Element* elm, G4dou << 159 void AddElement (G4Element* element , //the element
165 << 160 G4double fraction); //fractionOfMass
166 void AddMaterial(G4Material* material, G4dou << 161
>> 162 void AddMaterial(G4Material* material, //the material
>> 163 G4double fraction); //fractionOfMass
>> 164
>> 165
>> 166 virtual ~G4Material();
>> 167
>> 168 inline void SetChemicalFormula (const G4String& chF) {fChemicalFormula=chF;}
167 169
168 // 170 //
169 // retrieval methods 171 // retrieval methods
170 // << 172 //
171 inline const G4String& GetName() const { ret << 173 inline const G4String& GetName() const {return fName;}
172 inline const G4String& GetChemicalFormula() << 174 inline const G4String& GetChemicalFormula() const {return fChemicalFormula;}
173 inline G4double GetFreeElectronDensity() con << 175 inline G4double GetDensity() const {return fDensity;}
174 inline G4double GetDensity() const { return << 176 inline G4State GetState() const {return fState;}
175 inline G4State GetState() const { return fSt << 177 inline G4double GetTemperature() const {return fTemp;}
176 inline G4double GetTemperature() const { ret << 178 inline G4double GetPressure() const {return fPressure;}
177 inline G4double GetPressure() const { return << 179
178 << 180 //number of elements constituing this material:
179 // number of elements constituing this mater << 181 inline size_t GetNumberOfElements() const {return fNumberOfElements;}
180 inline std::size_t GetNumberOfElements() con << 182
181 << 183 //vector of pointers to elements constituing this material:
182 // vector of pointers to elements constituin << 184 inline const
183 inline const G4ElementVector* GetElementVect << 185 G4ElementVector* GetElementVector() const {return theElementVector;}
184 << 186
185 // vector of fractional mass of each element << 187 //vector of fractional mass of each element:
186 inline const G4double* GetFractionVector() c << 188 inline const
187 << 189 G4double* GetFractionVector() const {return fMassFractionVector;}
188 // vector of atom count of each element: << 190
189 inline const G4int* GetAtomsVector() const { << 191 //vector of atom count of each element:
190 << 192 inline const
191 // return a pointer to an element, given its << 193 G4int* GetAtomsVector() const {return fAtomsVector;}
192 inline const G4Element* GetElement(G4int iel << 194
193 << 195 //return a pointer to an element, given its index in the material:
194 // vector of nb of atoms per volume of each << 196 inline const
195 inline const G4double* GetVecNbOfAtomsPerVol << 197 G4Element* GetElement(G4int iel) const {return (*theElementVector)[iel];}
196 // total number of atoms per volume: << 198
197 inline G4double GetTotNbOfAtomsPerVolume() c << 199 //vector of nb of atoms per volume of each element in this material:
198 // total number of electrons per volume: << 200 inline const
199 inline G4double GetTotNbOfElectPerVolume() c << 201 G4double* GetVecNbOfAtomsPerVolume() const {return VecNbOfAtomsPerVolume;}
200 << 202 //total number of atoms per volume:
201 // obsolete names (5-10-98) see the 2 functi << 203 inline
202 inline const G4double* GetAtomicNumDensityVe << 204 G4double GetTotNbOfAtomsPerVolume() const {return TotNbOfAtomsPerVolume;}
203 inline G4double GetElectronDensity() const { << 205 //total number of electrons per volume:
204 << 206 inline
205 // Radiation length: << 207 G4double GetTotNbOfElectPerVolume() const {return TotNbOfElectPerVolume;}
206 inline G4double GetRadlen() const { return f << 208
207 << 209 //obsolete names (5-10-98) see the 2 functions above
208 // Nuclear interaction length << 210 inline const
209 inline G4double GetNuclearInterLength() cons << 211 G4double* GetAtomicNumDensityVector() const {return VecNbOfAtomsPerVolume;}
210 << 212 inline G4double GetElectronDensity() const {return TotNbOfElectPerVolume;}
>> 213
>> 214 // Radiation length:
>> 215 inline G4double GetRadlen() const {return fRadlen;}
>> 216
>> 217 // Nuclear interaction length:
>> 218 inline G4double GetNuclearInterLength() const {return fNuclInterLen;}
>> 219
211 // ionisation parameters: 220 // ionisation parameters:
212 inline G4IonisParamMat* GetIonisation() cons << 221 inline G4IonisParamMat* GetIonisation() const {return fIonisation;}
213 << 222
214 // Sandia table: 223 // Sandia table:
215 inline G4SandiaTable* GetSandiaTable() const << 224 inline G4SandiaTable* GetSandiaTable() const {return fSandiaTable;}
216 225
217 // Base material: 226 // Base material:
218 inline const G4Material* GetBaseMaterial() c << 227 inline
219 << 228 const G4Material* GetBaseMaterial() const {return fBaseMaterial;}
220 // material components: << 229
221 inline const std::map<G4Material*, G4double> << 230 //meaningful only for single material:
222 <<
223 // for chemical compound <<
224 inline G4double GetMassOfMolecule() const { <<
225 <<
226 // meaningful only for single material: <<
227 G4double GetZ() const; 231 G4double GetZ() const;
228 G4double GetA() const; 232 G4double GetA() const;
229 << 233
230 // the MaterialPropertiesTable (if any) atta << 234 //the MaterialPropertiesTable (if any) attached to this material:
231 void SetMaterialPropertiesTable(G4MaterialPr << 235 inline void SetMaterialPropertiesTable(G4MaterialPropertiesTable* anMPT)
232 << 236 {fMaterialPropertiesTable = anMPT;}
>> 237
233 inline G4MaterialPropertiesTable* GetMateria 238 inline G4MaterialPropertiesTable* GetMaterialPropertiesTable() const
234 { << 239 {return fMaterialPropertiesTable;}
235 return fMaterialPropertiesTable; <<
236 } <<
237 <<
238 // the index of this material in the Table: <<
239 inline std::size_t GetIndex() const { return <<
240 <<
241 // the static Table of Materials: <<
242 static G4MaterialTable* GetMaterialTable(); <<
243 240
244 static std::size_t GetNumberOfMaterials(); << 241 //the (static) Table of Materials:
245 << 242 //
246 // return pointer to a material, given its << 243 static const G4MaterialTable* GetMaterialTable();
247 static G4Material* GetMaterial(const G4Strin << 244
248 << 245 static size_t GetNumberOfMaterials();
249 // return pointer to a simple material, giv << 246
250 static G4Material* GetMaterial(G4double z, G << 247 //the index of this material in the Table:
251 << 248 inline size_t GetIndex() const {return fIndexInTable;}
252 // return pointer to a composit material, g << 249
253 static G4Material* GetMaterial(std::size_t n << 250 //return pointer to a material, given its name:
254 << 251 static G4Material* GetMaterial(const G4String& name, G4bool warning=true);
255 // printing methods << 252
256 friend std::ostream& operator<<(std::ostream << 253 //
257 friend std::ostream& operator<<(std::ostream << 254 //printing methods
258 friend std::ostream& operator<<(std::ostream << 255 //
>> 256 friend std::ostream& operator<<(std::ostream&, G4Material*);
>> 257 friend std::ostream& operator<<(std::ostream&, G4Material&);
>> 258 friend std::ostream& operator<<(std::ostream&, G4MaterialTable);
>> 259
>> 260 public: // without description
>> 261
>> 262 G4int operator==(const G4Material&) const;
>> 263 G4int operator!=(const G4Material&) const;
>> 264 G4Material(__void__&);
>> 265 // Fake default constructor for usage restricted to direct object
>> 266 // persistency for clients requiring preallocation of memory for
>> 267 // persistifiable objects.
259 268
260 inline void SetName(const G4String& name) { << 269 inline void SetName (const G4String& name) {fName=name;}
261 270
262 virtual G4bool IsExtended() const; << 271 private:
263 272
264 // operators << 273 G4Material(const G4Material&);
265 G4bool operator==(const G4Material&) const = << 274 const G4Material& operator=(const G4Material&);
266 G4bool operator!=(const G4Material&) const = <<
267 275
268 private: <<
269 void InitializePointers(); 276 void InitializePointers();
270 << 277
271 // Header routine for all derived quantities 278 // Header routine for all derived quantities
272 void ComputeDerivedQuantities(); 279 void ComputeDerivedQuantities();
273 280
274 // Compute Radiation length 281 // Compute Radiation length
275 void ComputeRadiationLength(); 282 void ComputeRadiationLength();
276 << 283
277 // Compute Nuclear interaction length 284 // Compute Nuclear interaction length
278 void ComputeNuclearInterLength(); 285 void ComputeNuclearInterLength();
279 286
280 // Copy pointers of base material 287 // Copy pointers of base material
281 void CopyPointersOfBaseMaterial(); 288 void CopyPointersOfBaseMaterial();
282 << 289
283 void FillVectors(); << 290 private:
284 <<
285 G4bool IsLocked(); <<
286 <<
287 const G4Material* fBaseMaterial; // Pointer <<
288 G4MaterialPropertiesTable* fMaterialProperti <<
289 291
290 // 292 //
291 // General atomic properties defined in cons << 293 // Basic data members ( To define a material)
292 // computed from the basic data members <<
293 // 294 //
>> 295 G4String fName; // Material name
>> 296 G4String fChemicalFormula; // Material chemical formula
>> 297 G4double fDensity; // Material density
>> 298
>> 299 G4State fState; // Material state (determined
>> 300 // internally based on density)
>> 301 G4double fTemp; // Temperature (defaults: STP)
>> 302 G4double fPressure; // Pressure (defaults: STP)
>> 303
>> 304 G4int maxNbComponents; // totalNbOfComponentsInTheMaterial
>> 305 G4int fArrayLength; // the length of FAtomVector
>> 306 size_t fNumberOfComponents; // Nb of components declared so far
>> 307
>> 308 size_t fNumberOfElements; // Nb of Elements in the material
>> 309 G4ElementVector* theElementVector; // vector of constituent Elements
>> 310 G4bool fImplicitElement; // implicit Element created by this?
>> 311 G4double* fMassFractionVector; // composition by fractional mass
>> 312 G4int* fAtomsVector; // composition by atom count
294 313
295 G4ElementVector* theElementVector; // vecto << 314 G4MaterialPropertiesTable* fMaterialPropertiesTable;
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 <<
327 315
328 // For composites built via AddMaterial() << 316 static
329 std::map<G4Material*, G4double> fMatComponen << 317 G4MaterialTable theMaterialTable; // the material table
>> 318 size_t fIndexInTable; // the position in the table
330 319
331 G4String fName; // Material name << 320 //
332 G4String fChemicalFormula; // Material chem << 321 // Derived data members (computed from the basic data members)
>> 322 //
>> 323 // some general atomic properties
>> 324
>> 325 G4double* VecNbOfAtomsPerVolume; // vector of nb of atoms per volume
>> 326 G4double TotNbOfAtomsPerVolume; // total nb of atoms per volume
>> 327 G4double TotNbOfElectPerVolume; // total nb of electrons per volume
>> 328 G4double fRadlen; // Radiation length
>> 329 G4double fNuclInterLen; // Nuclear interaction length
>> 330
>> 331 G4IonisParamMat* fIonisation; // ionisation parameters
>> 332 G4SandiaTable* fSandiaTable; // Sandia table
>> 333 const G4Material* fBaseMaterial; // Pointer to the base material
333 }; 334 };
>> 335
>> 336 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
334 337
335 #endif 338 #endif
336 339