1 | // |
---|
2 | // ******************************************************************** |
---|
3 | // * License and Disclaimer * |
---|
4 | // * * |
---|
5 | // * The Geant4 software is copyright of the Copyright Holders of * |
---|
6 | // * the Geant4 Collaboration. It is provided under the terms and * |
---|
7 | // * conditions of the Geant4 Software License, included in the file * |
---|
8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
---|
9 | // * include a list of copyright holders. * |
---|
10 | // * * |
---|
11 | // * Neither the authors of this software system, nor their employing * |
---|
12 | // * institutes,nor the agencies providing financial support for this * |
---|
13 | // * work make any representation or warranty, express or implied, * |
---|
14 | // * regarding this software system or assume any liability for its * |
---|
15 | // * use. Please see the license in the file LICENSE and URL above * |
---|
16 | // * for the full disclaimer and the limitation of liability. * |
---|
17 | // * * |
---|
18 | // * This code implementation is the result of the scientific and * |
---|
19 | // * technical work of the GEANT4 collaboration. * |
---|
20 | // * By using, copying, modifying or distributing the software (or * |
---|
21 | // * any work based on the software) you agree to acknowledge its * |
---|
22 | // * use in resulting scientific publications, and indicate your * |
---|
23 | // * acceptance of all terms of the Geant4 Software license. * |
---|
24 | // ******************************************************************** |
---|
25 | // |
---|
26 | /////////////////////////////////////////////////////////////////////////////// |
---|
27 | // |
---|
28 | // MODULE: G4SPSEneDistribution.hh |
---|
29 | // |
---|
30 | // Version: 1.0 |
---|
31 | // Date: 5/02/04 |
---|
32 | // Author: Fan Lei |
---|
33 | // Organisation: QinetiQ ltd. |
---|
34 | // Customer: ESA/ESTEC |
---|
35 | // |
---|
36 | /////////////////////////////////////////////////////////////////////////////// |
---|
37 | // |
---|
38 | // CHANGE HISTORY |
---|
39 | // -------------- |
---|
40 | // |
---|
41 | // |
---|
42 | // Version 1.0, 05/02/2004, Fan Lei, Created. |
---|
43 | // Based on the G4GeneralParticleSource class in Geant4 v6.0 |
---|
44 | // |
---|
45 | /////////////////////////////////////////////////////////////////////////////// |
---|
46 | // |
---|
47 | // |
---|
48 | // Class Description: |
---|
49 | // |
---|
50 | // To generate the energy of a primary vertex according to the defined distribution |
---|
51 | // |
---|
52 | /////////////////////////////////////////////////////////////////////////////// |
---|
53 | // |
---|
54 | // MEMBER FUNCTIONS |
---|
55 | // ---------------- |
---|
56 | // |
---|
57 | // G4SPSEneDistribution () |
---|
58 | // Constructor: Initializes variables |
---|
59 | // |
---|
60 | // ~G4SPSEneDistribution () |
---|
61 | // Destructor: |
---|
62 | // |
---|
63 | // void SetEnergyDisType(G4String) |
---|
64 | // Allows the user to choose the energy distribution type. The arguments |
---|
65 | // are Mono (mono-energetic), Lin (linear), Pow (power-law), Exp |
---|
66 | // (exponential), Gauss (gaussian), Brem (bremsstrahlung), BBody (black-body), Cdg |
---|
67 | // (cosmic diffuse gamma-ray), User (user-defined), Arb (arbitrary |
---|
68 | // point-wise), Epn (energy per nucleon). |
---|
69 | // |
---|
70 | // void SetEmin(G4double) |
---|
71 | // Sets the minimum energy. |
---|
72 | // |
---|
73 | // void SetEmax(G4double) |
---|
74 | // Sets the maximum energy. |
---|
75 | // |
---|
76 | // void SetMonoEnergy(G4double) |
---|
77 | // Sets energy for mono-energetic distribution. |
---|
78 | // |
---|
79 | // void SetAlpha(G4double) |
---|
80 | // Sets alpha for a power-law distribution. |
---|
81 | // |
---|
82 | // void SetTemp(G4double) |
---|
83 | // Sets Temperature for a Brem or BBody distributions. |
---|
84 | // |
---|
85 | // void SetEzero(G4double) |
---|
86 | // Sets Ezero for an exponential distribution. |
---|
87 | // |
---|
88 | // void SetGradient(G4double) |
---|
89 | // Sets gradient for a linear distribution. |
---|
90 | // |
---|
91 | // void SetInterCept(G4double) |
---|
92 | // Sets intercept for a linear distribution. |
---|
93 | // |
---|
94 | // void UserEnergyHisto(G4ThreeVector) |
---|
95 | // Allows user to defined a histogram for the energy distribution. |
---|
96 | // |
---|
97 | // void ArbEnergyHisto(G4ThreeVector) |
---|
98 | // Allows the user to define an Arbitrary set of points for the |
---|
99 | // energy distribution. |
---|
100 | // |
---|
101 | // void EpnEnergyHisto(G4ThreeVector) |
---|
102 | // Allows the user to define an Energy per nucleon histogram. |
---|
103 | // |
---|
104 | // void Calculate() |
---|
105 | // Controls the calculation of Integral PDF for the Cdg and BBody |
---|
106 | // distributions. |
---|
107 | // |
---|
108 | // void InputEnergySpectra(G4bool) |
---|
109 | // Allows the user to choose between momentum and energy histograms |
---|
110 | // for user-defined histograms and arbitrary point-wise spectr. |
---|
111 | // The default is true (energy). |
---|
112 | // |
---|
113 | // void InputDifferentialSpectra(G4bool) |
---|
114 | // Allows the user to choose between integral and differential |
---|
115 | // distributions when using the arbitrary point-wise option. |
---|
116 | // |
---|
117 | // void ArbInterpolate(G4String) |
---|
118 | // ArbInterpolate allows the user to specify the type of function to |
---|
119 | // interpolate the Arbitrary points spectrum with. |
---|
120 | // |
---|
121 | // void SetBiasRndm (G4SPSRandomGenerator* a) |
---|
122 | // Sets the biased random number generator |
---|
123 | // |
---|
124 | // G4double GenerateOne(G4ParticleDefinition*); |
---|
125 | // Generate one random energy for the specified particle |
---|
126 | // |
---|
127 | // void ReSetHist(G4String); |
---|
128 | // Re-sets the histogram for user defined distribution |
---|
129 | // |
---|
130 | // void SetVerbosity(G4int) |
---|
131 | // Sets the verbosity level. |
---|
132 | // |
---|
133 | /////////////////////////////////////////////////////////////////////////////// |
---|
134 | |
---|
135 | #ifndef G4SPSEneDistribution_h |
---|
136 | #define G4SPSEneDistribution_h 1 |
---|
137 | |
---|
138 | #include "G4PhysicsOrderedFreeVector.hh" |
---|
139 | #include "G4ParticleMomentum.hh" |
---|
140 | #include "G4ParticleDefinition.hh" |
---|
141 | #include "G4DataInterpolation.hh" |
---|
142 | |
---|
143 | // |
---|
144 | #include "G4SPSRandomGenerator.hh" |
---|
145 | |
---|
146 | class G4SPSEneDistribution |
---|
147 | { |
---|
148 | public: |
---|
149 | G4SPSEneDistribution (); |
---|
150 | ~G4SPSEneDistribution (); |
---|
151 | |
---|
152 | void SetEnergyDisType(G4String); |
---|
153 | inline G4String GetEnergyDisType() {return EnergyDisType;}; |
---|
154 | void SetEmin(G4double); |
---|
155 | inline G4double GetEmin() {return Emin;} ; |
---|
156 | inline G4double GetArbEmin() {return ArbEmin;} ; |
---|
157 | void SetEmax(G4double); |
---|
158 | inline G4double GetEmax() {return Emax;} ; |
---|
159 | inline G4double GetArbEmax() {return ArbEmax;}; |
---|
160 | void SetMonoEnergy(G4double); |
---|
161 | void SetAlpha(G4double); |
---|
162 | void SetTemp(G4double); |
---|
163 | void SetBeamSigmaInE(G4double); |
---|
164 | void SetEzero(G4double); |
---|
165 | void SetGradient(G4double); |
---|
166 | void SetInterCept(G4double); |
---|
167 | void UserEnergyHisto(G4ThreeVector); |
---|
168 | void ArbEnergyHisto(G4ThreeVector); |
---|
169 | void EpnEnergyHisto(G4ThreeVector); |
---|
170 | |
---|
171 | void InputEnergySpectra(G4bool); |
---|
172 | void InputDifferentialSpectra(G4bool); |
---|
173 | void ArbInterpolate(G4String); |
---|
174 | inline G4String GetIntType() {return IntType;}; |
---|
175 | void Calculate(); |
---|
176 | // |
---|
177 | void SetBiasRndm(G4SPSRandomGenerator* a) {eneRndm = a; }; |
---|
178 | // method to re-set the histograms |
---|
179 | void ReSetHist(G4String); |
---|
180 | // Set the verbosity level. |
---|
181 | void SetVerbosity(G4int a) {verbosityLevel = a; } ; |
---|
182 | //x |
---|
183 | G4double GenerateOne(G4ParticleDefinition*); |
---|
184 | |
---|
185 | private: |
---|
186 | void LinearInterpolation(); |
---|
187 | void LogInterpolation(); |
---|
188 | void ExpInterpolation(); |
---|
189 | void SplineInterpolation(); |
---|
190 | void CalculateCdgSpectrum(); |
---|
191 | void CalculateBbodySpectrum(); |
---|
192 | |
---|
193 | // The following methods generate energies according to the spectral |
---|
194 | // parameters defined above. |
---|
195 | void GenerateMonoEnergetic(); |
---|
196 | void GenerateLinearEnergies(G4bool); |
---|
197 | void GeneratePowEnergies(G4bool); |
---|
198 | void GenerateExpEnergies(G4bool ); |
---|
199 | void GenerateGaussEnergies(); |
---|
200 | void GenerateBremEnergies(); |
---|
201 | void GenerateBbodyEnergies(); |
---|
202 | void GenerateCdgEnergies(); |
---|
203 | void GenUserHistEnergies(); |
---|
204 | void GenEpnHistEnergies(); |
---|
205 | void GenArbPointEnergies(); |
---|
206 | // converts energy per nucleon to energy. |
---|
207 | void ConvertEPNToEnergy(); |
---|
208 | |
---|
209 | private: |
---|
210 | |
---|
211 | G4String EnergyDisType; // energy dis type Variable - Mono,Lin,Exp,etc |
---|
212 | G4double MonoEnergy; //Mono-energteic energy |
---|
213 | G4double SE ; // Standard deviation for Gaussion distrbution in energy |
---|
214 | G4double Emin, Emax; // emin and emax |
---|
215 | G4double alpha, Ezero, Temp; // alpha (pow), E0 (exp) and Temp (bbody,brem) |
---|
216 | G4double grad, cept; // gradient and intercept for linear spectra |
---|
217 | G4bool EnergySpec; // true - energy spectra, false - momentum spectra |
---|
218 | G4bool DiffSpec; // true - differential spec, false integral spec |
---|
219 | G4bool ApplyRig; // false no rigidity cutoff, true then apply one |
---|
220 | G4double ERig; // energy of rigidity cutoff |
---|
221 | G4PhysicsOrderedFreeVector UDefEnergyH; // energy hist data |
---|
222 | G4PhysicsOrderedFreeVector IPDFEnergyH; |
---|
223 | G4bool IPDFEnergyExist, IPDFArbExist, Epnflag; |
---|
224 | G4PhysicsOrderedFreeVector ArbEnergyH; // Arb x,y histogram |
---|
225 | G4PhysicsOrderedFreeVector IPDFArbEnergyH; // IPDF for Arb |
---|
226 | G4PhysicsOrderedFreeVector EpnEnergyH; |
---|
227 | G4double CDGhist[3]; // cumulative histo for cdg |
---|
228 | G4double BBHist[10001], Bbody_x[10001]; |
---|
229 | G4String IntType; // Interpolation type |
---|
230 | G4double Arb_grad[1024], Arb_cept[1024]; // grad and cept for 1024 segments |
---|
231 | G4double Arb_alpha[1024], Arb_Const[1024]; // alpha and constants |
---|
232 | G4double Arb_ezero[1024]; // ezero |
---|
233 | G4double ArbEmin, ArbEmax; // Emin and Emax for the whole arb distribution used primarily for debug. |
---|
234 | |
---|
235 | G4double particle_energy; |
---|
236 | G4ParticleDefinition* particle_definition; |
---|
237 | |
---|
238 | G4SPSRandomGenerator* eneRndm; |
---|
239 | |
---|
240 | // Verbosity |
---|
241 | G4int verbosityLevel; |
---|
242 | |
---|
243 | G4PhysicsOrderedFreeVector ZeroPhysVector ; // for re-set only |
---|
244 | |
---|
245 | G4DataInterpolation *SplineInt; // holds Spline stuff |
---|
246 | |
---|
247 | }; |
---|
248 | |
---|
249 | |
---|
250 | #endif |
---|
251 | |
---|
252 | |
---|
253 | |
---|
254 | |
---|