[816] | 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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[1347] | 138 | class G4SPSRandomGenerator { |
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[816] | 139 | public: |
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[1347] | 140 | G4SPSRandomGenerator(); |
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| 141 | ~G4SPSRandomGenerator(); |
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[816] | 142 | |
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[1347] | 143 | // static G4SPSRandomGenerator* getInstance (); |
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[816] | 144 | |
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[1347] | 145 | // Biasing Methods |
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| 146 | void SetXBias(G4ThreeVector); |
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| 147 | void SetYBias(G4ThreeVector); |
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| 148 | void SetZBias(G4ThreeVector); |
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| 149 | void SetThetaBias(G4ThreeVector); |
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| 150 | void SetPhiBias(G4ThreeVector); |
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| 151 | void SetEnergyBias(G4ThreeVector); |
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| 152 | void SetPosThetaBias(G4ThreeVector); |
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| 153 | void SetPosPhiBias(G4ThreeVector); |
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| 154 | G4double GenRandX(); |
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| 155 | G4double GenRandY(); |
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| 156 | G4double GenRandZ(); |
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| 157 | G4double GenRandTheta(); |
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| 158 | G4double GenRandPhi(); |
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| 159 | G4double GenRandEnergy(); |
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| 160 | G4double GenRandPosTheta(); |
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| 161 | G4double GenRandPosPhi(); |
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[816] | 162 | |
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[1347] | 163 | inline void SetIntensityWeight(G4double weight) { |
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| 164 | bweights[8] = weight; |
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| 165 | } |
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| 166 | ; |
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[816] | 167 | |
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[1347] | 168 | inline G4double GetBiasWeight() { |
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| 169 | return bweights[0] * bweights[1] * bweights[2] * bweights[3] |
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| 170 | * bweights[4] * bweights[5] * bweights[6] * bweights[7] |
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| 171 | * bweights[8]; |
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| 172 | } |
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| 173 | ; |
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[816] | 174 | |
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[1347] | 175 | // method to re-set the histograms |
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| 176 | void ReSetHist(G4String); |
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[816] | 177 | |
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[1347] | 178 | // Set the verbosity level. |
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| 179 | void SetVerbosity(G4int a) { |
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| 180 | verbosityLevel = a; |
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| 181 | } |
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| 182 | ; |
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| 183 | |
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[816] | 184 | private: |
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| 185 | |
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[1347] | 186 | // static G4SPSRandomGenerator *instance; |
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[816] | 187 | |
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[1347] | 188 | G4bool XBias, IPDFXBias; |
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| 189 | G4PhysicsOrderedFreeVector XBiasH; |
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| 190 | G4PhysicsOrderedFreeVector IPDFXBiasH; |
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| 191 | G4bool YBias, IPDFYBias; |
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| 192 | G4PhysicsOrderedFreeVector YBiasH; |
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| 193 | G4PhysicsOrderedFreeVector IPDFYBiasH; |
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| 194 | G4bool ZBias, IPDFZBias; |
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| 195 | G4PhysicsOrderedFreeVector ZBiasH; |
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| 196 | G4PhysicsOrderedFreeVector IPDFZBiasH; |
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| 197 | G4bool ThetaBias, IPDFThetaBias; |
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| 198 | G4PhysicsOrderedFreeVector ThetaBiasH; |
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| 199 | G4PhysicsOrderedFreeVector IPDFThetaBiasH; |
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| 200 | G4bool PhiBias, IPDFPhiBias; |
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| 201 | G4PhysicsOrderedFreeVector PhiBiasH; |
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| 202 | G4PhysicsOrderedFreeVector IPDFPhiBiasH; |
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| 203 | G4bool EnergyBias, IPDFEnergyBias; |
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| 204 | G4PhysicsOrderedFreeVector EnergyBiasH; |
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| 205 | G4PhysicsOrderedFreeVector IPDFEnergyBiasH; |
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| 206 | G4bool PosThetaBias, IPDFPosThetaBias; |
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| 207 | G4PhysicsOrderedFreeVector PosThetaBiasH; |
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| 208 | G4PhysicsOrderedFreeVector IPDFPosThetaBiasH; |
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| 209 | G4bool PosPhiBias, IPDFPosPhiBias; |
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| 210 | G4PhysicsOrderedFreeVector PosPhiBiasH; |
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| 211 | G4PhysicsOrderedFreeVector IPDFPosPhiBiasH; |
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[816] | 212 | |
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[1347] | 213 | G4double alpha; // for biasing energy |
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[816] | 214 | |
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[1347] | 215 | G4double bweights[9]; //record x,y,z,theta,phi,energy,posThet,posPhi,intensity weights |
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[816] | 216 | |
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[1347] | 217 | // Verbosity |
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| 218 | G4int verbosityLevel; |
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| 219 | |
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| 220 | G4PhysicsOrderedFreeVector ZeroPhysVector; // for re-set only |
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| 221 | |
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[816] | 222 | }; |
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| 223 | |
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| 224 | #endif |
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| 225 | |
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