1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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7 | // * conditions of the Geant4 Software License, included in the file * |
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8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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9 | // * include a list of copyright holders. * |
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10 | // * * |
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11 | // * Neither the authors of this software system, nor their employing * |
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12 | // * institutes,nor the agencies providing financial support for this * |
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13 | // * work make any representation or warranty, express or implied, * |
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14 | // * regarding this software system or assume any liability for its * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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16 | // * for the full disclaimer and the limitation of liability. * |
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17 | // * * |
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18 | // * This code implementation is the result of the scientific and * |
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19 | // * technical work of the GEANT4 collaboration. * |
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20 | // * By using, copying, modifying or distributing the software (or * |
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21 | // * any work based on the software) you agree to acknowledge its * |
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22 | // * use in resulting scientific publications, and indicate your * |
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23 | // * acceptance of all terms of the Geant4 Software license. * |
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24 | // ******************************************************************** |
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25 | // |
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26 | /////////////////////////////////////////////////////////////////////////////// |
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27 | // |
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28 | // MODULE: G4SPSRandomGenerator.hh |
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29 | // |
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30 | // Version: 1.0 |
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31 | // Date: 5/02/04 |
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32 | // Author: Fan Lei |
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33 | // Organisation: QinetiQ ltd. |
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34 | // Customer: ESA/ESTEC |
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35 | // |
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36 | /////////////////////////////////////////////////////////////////////////////// |
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37 | // |
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38 | // CHANGE HISTORY |
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39 | // -------------- |
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40 | // |
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41 | // 26/10/2004 F Lei |
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42 | // Created separated the theta, phi generators for position distributions. |
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43 | // |
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44 | // Version 1.0, 05/02/2004, Fan Lei, Created. |
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45 | // Based on the G4GeneralParticleSource class in Geant4 v6.0 |
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46 | // |
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47 | /////////////////////////////////////////////////////////////////////////////// |
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48 | // |
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49 | // Class Description: |
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50 | // |
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51 | // Special random number generator used by G4GeneralParticleSource to allow |
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52 | // biasing applied at the lowest level for all distributions. |
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53 | // |
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54 | /////////////////////////////////////////////////////////////////////////////// |
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55 | // |
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56 | // MEMBER FUNCTIONS |
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57 | // ---------------- |
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58 | // |
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59 | // G4SPSRandomGenerator () |
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60 | // Constructor: Initializes variables |
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61 | // |
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62 | // ~G4SPSRandomGenerator () |
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63 | // Destructor: |
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64 | // |
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65 | // void SetXBias(G4ThreeVector) |
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66 | // Allows the user to re-distribute the random |
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67 | // numbers used to generate x co-ordinates. |
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68 | // |
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69 | // void SetYBias(G4ThreeVector) |
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70 | // Allows the user to re-distribute the random |
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71 | // numbers used to generate y co-ordinates. |
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72 | // |
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73 | // void SetZBias(G4ThreeVector) |
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74 | // Allows the user to re-distribute the random |
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75 | // numbers used to generate z co-ordinates. |
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76 | // |
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77 | // void SetThetaBias(G4ThreeVector) |
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78 | // Allows the user to re-distribute the random |
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79 | // numbers used to generate values of theta. |
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80 | // |
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81 | // void SetPhiBias(G4ThreeVector) |
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82 | // Allows the user to re-distribute the random |
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83 | // numbers used to generate values of phi. |
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84 | // |
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85 | // void SetPosThetaBias(G4ThreeVector) |
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86 | // Allows the user to re-distribute the random |
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87 | // numbers used to generate values of theta for position distribution. |
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88 | // |
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89 | // void SetPosPhiBias(G4ThreeVector) |
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90 | // Allows the user to re-distribute the random |
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91 | // numbers used to generate values of phi for position distribution. |
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92 | // |
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93 | // void SetEnergyBias(G4ThreeVector) |
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94 | // Allows the user to re-distribute the random |
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95 | // numbers used to generate the energies. |
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96 | // |
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97 | // G4double GenRandX() |
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98 | // Generates the random number for x, with or without biasing. |
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99 | // |
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100 | // G4double GenRandY() |
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101 | // Generates the random number for y, with or without biasing. |
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102 | // |
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103 | // G4double GenRandZ() |
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104 | // Generates the random number for z, with or without biasing. |
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105 | // |
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106 | // G4double GenRandTheta() |
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107 | // Generates the random number for theta, with or without biasing. |
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108 | // |
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109 | // G4double GenRandPhi() |
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110 | // Generates the random number for phi, with or without biasing. |
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111 | // |
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112 | // G4double GenRandEnergy() |
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113 | // Generates the random number for energy, with or without biasing. |
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114 | // |
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115 | // G4double GenRandPosTheta() |
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116 | // Generates the random number for theta, with or without biasing for position distribution. |
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117 | // |
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118 | // G4double GenRandPosPhi() |
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119 | // Generates the random number for phi, with or without biasing for position distribution. |
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120 | // |
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121 | // inline G4double GetBiasWeight() |
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122 | // Returns the weight change after biasing |
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123 | // |
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124 | // void ReSetHist(G4String); |
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125 | // Re-sets the histogram for user defined distribution |
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126 | // |
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127 | // void SetVerbosity(G4int) |
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128 | // Sets the verbosity level. |
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129 | // |
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130 | /////////////////////////////////////////////////////////////////////////////// |
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131 | // |
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132 | #ifndef G4SPSRandomGenerator_h |
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133 | #define G4SPSRandomGenerator_h 1 |
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134 | |
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135 | #include "G4PhysicsOrderedFreeVector.hh" |
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136 | #include "G4DataInterpolation.hh" |
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137 | |
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138 | class G4SPSRandomGenerator |
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139 | { |
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140 | public: |
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141 | G4SPSRandomGenerator (); |
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142 | ~G4SPSRandomGenerator (); |
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143 | |
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144 | // static G4SPSRandomGenerator* getInstance (); |
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145 | |
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146 | // Biasing Methods |
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147 | void SetXBias(G4ThreeVector); |
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148 | void SetYBias(G4ThreeVector); |
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149 | void SetZBias(G4ThreeVector); |
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150 | void SetThetaBias(G4ThreeVector); |
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151 | void SetPhiBias(G4ThreeVector); |
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152 | void SetEnergyBias(G4ThreeVector); |
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153 | void SetPosThetaBias(G4ThreeVector); |
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154 | void SetPosPhiBias(G4ThreeVector); |
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155 | G4double GenRandX(); |
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156 | G4double GenRandY(); |
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157 | G4double GenRandZ(); |
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158 | G4double GenRandTheta(); |
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159 | G4double GenRandPhi(); |
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160 | G4double GenRandEnergy(); |
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161 | G4double GenRandPosTheta(); |
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162 | G4double GenRandPosPhi(); |
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163 | |
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164 | inline void SetIntensityWeight(G4double weight) {bweights[8]=weight;}; |
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165 | |
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166 | inline G4double GetBiasWeight() |
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167 | { return bweights[0]*bweights[1]*bweights[2]*bweights[3]*bweights[4]*bweights[5]*bweights[6]*bweights[7]*bweights[8];}; |
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168 | |
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169 | // method to re-set the histograms |
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170 | void ReSetHist(G4String); |
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171 | |
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172 | // Set the verbosity level. |
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173 | void SetVerbosity(G4int a) {verbosityLevel = a; } ; |
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174 | |
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175 | private: |
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176 | |
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177 | // static G4SPSRandomGenerator *instance; |
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178 | |
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179 | G4bool XBias, IPDFXBias; |
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180 | G4PhysicsOrderedFreeVector XBiasH; |
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181 | G4PhysicsOrderedFreeVector IPDFXBiasH; |
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182 | G4bool YBias, IPDFYBias; |
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183 | G4PhysicsOrderedFreeVector YBiasH; |
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184 | G4PhysicsOrderedFreeVector IPDFYBiasH; |
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185 | G4bool ZBias, IPDFZBias; |
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186 | G4PhysicsOrderedFreeVector ZBiasH; |
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187 | G4PhysicsOrderedFreeVector IPDFZBiasH; |
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188 | G4bool ThetaBias, IPDFThetaBias; |
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189 | G4PhysicsOrderedFreeVector ThetaBiasH; |
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190 | G4PhysicsOrderedFreeVector IPDFThetaBiasH; |
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191 | G4bool PhiBias, IPDFPhiBias; |
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192 | G4PhysicsOrderedFreeVector PhiBiasH; |
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193 | G4PhysicsOrderedFreeVector IPDFPhiBiasH; |
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194 | G4bool EnergyBias, IPDFEnergyBias; |
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195 | G4PhysicsOrderedFreeVector EnergyBiasH; |
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196 | G4PhysicsOrderedFreeVector IPDFEnergyBiasH; |
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197 | G4bool PosThetaBias, IPDFPosThetaBias; |
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198 | G4PhysicsOrderedFreeVector PosThetaBiasH; |
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199 | G4PhysicsOrderedFreeVector IPDFPosThetaBiasH; |
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200 | G4bool PosPhiBias, IPDFPosPhiBias; |
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201 | G4PhysicsOrderedFreeVector PosPhiBiasH; |
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202 | G4PhysicsOrderedFreeVector IPDFPosPhiBiasH; |
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203 | |
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204 | G4double bweights[9]; //record x,y,z,theta,phi,energy,posThet,posPhi,intensity weights |
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205 | |
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206 | // Verbosity |
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207 | G4int verbosityLevel; |
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208 | |
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209 | G4PhysicsOrderedFreeVector ZeroPhysVector ; // for re-set only |
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210 | |
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211 | }; |
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212 | |
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213 | |
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214 | #endif |
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215 | |
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216 | |
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217 | |
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218 | |
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