[816] | 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: G4SPSPosDistribution.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 position of a primary vertex according to the defined distribution |
---|
| 51 | // |
---|
| 52 | /////////////////////////////////////////////////////////////////////////////// |
---|
| 53 | // |
---|
| 54 | // MEMBER FUNCTIONS |
---|
| 55 | // ---------------- |
---|
| 56 | // |
---|
| 57 | // G4SPSPosDistribution () |
---|
| 58 | // Constructor: Initializes variables and instantiates the Navigator class |
---|
| 59 | // |
---|
| 60 | // ~G4SPSPosDistribution () |
---|
| 61 | // Destructor: |
---|
| 62 | // |
---|
| 63 | // void SetPosDisType(G4String) |
---|
| 64 | // Allows user to choose Point, Plane, Surface or Volume source |
---|
| 65 | // position distributions. |
---|
| 66 | // |
---|
| 67 | // void SetPosDisShape(G4String) |
---|
| 68 | // Allows the user to choose the particular shape they wish for the |
---|
| 69 | // position distribution. Choices are Square, Circle, Ellipse, Rectangle, |
---|
| 70 | // Sphere, Ellipsoid, Cylinder, Parallelepiped. |
---|
| 71 | // |
---|
| 72 | // void SetCentreCoords(G4ThreeVector) |
---|
| 73 | // Sets the co-ordinates of the centre of the position distribution. |
---|
| 74 | // |
---|
| 75 | // void SetPosRot1(G4ThreeVector) |
---|
| 76 | // Used to specify the co-ordinate system for the position distribution |
---|
| 77 | // along with SetPosRot2. SetPosRot1 sets the vector x' and need not be |
---|
| 78 | // a unit vector. |
---|
| 79 | // |
---|
| 80 | // void SetPosRot2(G4ThreeVector) |
---|
| 81 | // Used in connection with SetPosRot1. This sets a vector in the plane |
---|
| 82 | // x'y'. By a series of cross products x', y', z' are generated. Again |
---|
| 83 | // need not be a unit vector. |
---|
| 84 | // |
---|
| 85 | // void SetHalfX(G4double) |
---|
| 86 | // Sets the half length in x. |
---|
| 87 | // |
---|
| 88 | // void SetHalfY(G4double) |
---|
| 89 | // Sets the half length in y. |
---|
| 90 | // |
---|
| 91 | // void SetHalfZ(G4double) |
---|
| 92 | // Sets the half length in z. |
---|
| 93 | // |
---|
| 94 | // void SetRadius(G4double) |
---|
| 95 | // Sets the radius where appropriate for source distribution shapes. |
---|
| 96 | // |
---|
| 97 | // void SetRadius0(G4double) |
---|
| 98 | // Sets the inner radius where appropriate for source distribution shapes. |
---|
| 99 | // |
---|
| 100 | // void SetBeamSigmaInR(G4double); |
---|
| 101 | // Sets the sigma for 1D beam |
---|
| 102 | // |
---|
| 103 | // void SetBeamSigmaInX(G4double); |
---|
| 104 | // Sets the first sigma for 2D beam |
---|
| 105 | // |
---|
| 106 | // void SetBeamSigmaInY(G4double); |
---|
| 107 | // Sets the second sigma for 2D beam |
---|
| 108 | // |
---|
| 109 | // void SetParAlpha(G4double) |
---|
| 110 | // Sets the angle Alpha in the Parallelepiped shapes. |
---|
| 111 | // |
---|
| 112 | // void SetParTheta(G4double) |
---|
| 113 | // Sets the angle Theta in the Parallelepiped shapes. |
---|
| 114 | // |
---|
| 115 | // void SetParPhi(G4double) |
---|
| 116 | // Sets the angle Phi in the Parallelepiped shapes. |
---|
| 117 | // |
---|
| 118 | // void ConfineSourceToVolume(G4String) |
---|
| 119 | // Used to confine the start positions to a particular volume. |
---|
| 120 | // |
---|
| 121 | // void SetBiasRndm (G4SPSRandomGenerator* a) { posRndm = a ; }; |
---|
| 122 | // Sets the biased random number generator |
---|
| 123 | // |
---|
| 124 | // G4ThreeVector GenerateOne(); |
---|
| 125 | // Generate one random position |
---|
| 126 | // |
---|
| 127 | // void SetVerbosity(G4int) |
---|
| 128 | // Sets the verbosity level. |
---|
| 129 | // |
---|
| 130 | /////////////////////////////////////////////////////////////////////////////// |
---|
| 131 | // |
---|
| 132 | #ifndef G4SPSPosDistribution_h |
---|
| 133 | #define G4SPSPosDistribution_h 1 |
---|
| 134 | |
---|
| 135 | #include "G4Navigator.hh" |
---|
| 136 | #include "G4SPSRandomGenerator.hh" |
---|
| 137 | |
---|
| 138 | class G4SPSPosDistribution |
---|
| 139 | { |
---|
| 140 | // |
---|
| 141 | friend class G4SPSAngDistribution; |
---|
| 142 | public: |
---|
| 143 | G4SPSPosDistribution (); |
---|
| 144 | ~G4SPSPosDistribution (); |
---|
| 145 | |
---|
| 146 | // methods to create source position dist. |
---|
| 147 | void SetPosDisType(G4String); // Point, Plane, Surface, Volume |
---|
| 148 | inline G4String GetPosDisType() { return SourcePosType; }; |
---|
| 149 | void SetPosDisShape(G4String); |
---|
| 150 | inline G4String GetPosDisShape() { return Shape; }; |
---|
| 151 | // SetPosDisShape - Square, Circle, Annulus, Ellipse, Rectangle, Sphere, |
---|
| 152 | // Ellipsoid, Cylinder, Right (parallelepiped). |
---|
| 153 | void SetCentreCoords(G4ThreeVector); |
---|
| 154 | inline G4ThreeVector GetCentreCoords() { return CentreCoords; } ; |
---|
| 155 | void SetPosRot1(G4ThreeVector); |
---|
| 156 | void SetPosRot2(G4ThreeVector); |
---|
| 157 | void SetHalfX(G4double); |
---|
| 158 | inline G4double GetHalfX() { return halfx; } ; |
---|
| 159 | void SetHalfY(G4double); |
---|
| 160 | inline G4double GetHalfY() { return halfy; } ; |
---|
| 161 | void SetHalfZ(G4double); |
---|
| 162 | inline G4double GetHalfZ() { return halfz; } ; |
---|
| 163 | void SetRadius(G4double); |
---|
| 164 | inline G4double GetRadius() { return Radius; }; |
---|
| 165 | void SetRadius0(G4double); |
---|
| 166 | void SetBeamSigmaInR(G4double); |
---|
| 167 | void SetBeamSigmaInX(G4double); |
---|
| 168 | void SetBeamSigmaInY(G4double); |
---|
| 169 | void SetParAlpha(G4double); |
---|
| 170 | void SetParTheta(G4double); |
---|
| 171 | void SetParPhi(G4double); |
---|
| 172 | void ConfineSourceToVolume(G4String); |
---|
| 173 | // |
---|
| 174 | void SetBiasRndm (G4SPSRandomGenerator* a) { posRndm = a ; }; |
---|
| 175 | // Set the verbosity level. |
---|
| 176 | void SetVerbosity(G4int a) {verbosityLevel = a; } ; |
---|
| 177 | // |
---|
| 178 | G4ThreeVector GenerateOne(); |
---|
| 179 | |
---|
| 180 | private: |
---|
| 181 | |
---|
| 182 | void GenerateRotationMatrices(); |
---|
| 183 | // the following routines generate the source position |
---|
| 184 | void GeneratePointSource(); |
---|
| 185 | void GeneratePointsInBeam(); |
---|
| 186 | void GeneratePointsInPlane(); |
---|
| 187 | void GeneratePointsOnSurface(); |
---|
| 188 | void GeneratePointsInVolume(); |
---|
| 189 | |
---|
| 190 | G4bool IsSourceConfined(); |
---|
| 191 | |
---|
| 192 | private: |
---|
| 193 | |
---|
| 194 | // Position distribution Variables |
---|
| 195 | G4String SourcePosType; //Point,Plane,Surface,Volume |
---|
| 196 | G4String Shape; //Circle,Square,Rectangle etc.. |
---|
| 197 | G4double halfx, halfy, halfz; //half lengths |
---|
| 198 | G4double Radius; //Radius for circles or spheres |
---|
| 199 | G4double Radius0; // The inner radius of an annulus |
---|
| 200 | G4double SR,SX,SY; // Standard deviation in raduial, x, y for beam type source |
---|
| 201 | G4ThreeVector CentreCoords; // Coords of centre of input shape |
---|
| 202 | G4ThreeVector Rotx, Roty, Rotz; // Unit vectors defining rotation matrix |
---|
| 203 | G4double ParAlpha, ParTheta, ParPhi; //Angle for Right Parallellepipeds |
---|
| 204 | G4bool Confine; //If true confines source distribution to VolName |
---|
| 205 | G4String VolName; |
---|
| 206 | G4ThreeVector SideRefVec1,SideRefVec2,SideRefVec3; //Side rotation matrices |
---|
| 207 | G4ThreeVector particle_position; // the final particle position to be returned |
---|
| 208 | // |
---|
| 209 | G4Navigator *gNavigator; |
---|
| 210 | // |
---|
| 211 | G4SPSRandomGenerator* posRndm; // biased random generator |
---|
| 212 | // Verbosity |
---|
| 213 | G4int verbosityLevel; |
---|
| 214 | |
---|
| 215 | }; |
---|
| 216 | |
---|
| 217 | #endif |
---|
| 218 | |
---|
| 219 | |
---|
| 220 | |
---|
| 221 | |
---|