Import Geant4 6.2.0 source tree
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Gabriele Cosmo
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//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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///////////////////////////////////////////////////////////////////////////////
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//
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// MODULE: G4SPSPosDistribution.hh
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//
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// Version: 1.0
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// Date: 5/02/04
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// Author: Fan Lei
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// Organisation: QinetiQ ltd.
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// Customer: ESA/ESTEC
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//
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///////////////////////////////////////////////////////////////////////////////
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//
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// CHANGE HISTORY
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// --------------
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//
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//
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// Version 1.0, 05/02/2004, Fan Lei, Created.
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// Based on the G4GeneralParticleSource class in Geant4 v6.0
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//
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///////////////////////////////////////////////////////////////////////////////
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//
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//
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// Class Description:
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//
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// To generate the position of a primary vertex according to the defined distribution
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//
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///////////////////////////////////////////////////////////////////////////////
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//
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// MEMBER FUNCTIONS
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// ----------------
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//
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// G4SPSPosDistribution ()
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// Constructor: Initializes variables and instantiates the Navigator class
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//
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// ~G4SPSPosDistribution ()
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// Destructor:
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//
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// void SetPosDisType(G4String)
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// Allows user to choose Point, Plane, Surface or Volume source
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// position distributions.
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//
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// void SetPosDisShape(G4String)
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// Allows the user to choose the particular shape they wish for the
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// position distribution. Choices are Square, Circle, Ellipse, Rectangle,
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// Sphere, Ellipsoid, Cylinder, Parallelepiped.
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//
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// void SetCentreCoords(G4ThreeVector)
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// Sets the co-ordinates of the centre of the position distribution.
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//
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// void SetPosRot1(G4ThreeVector)
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// Used to specify the co-ordinate system for the position distribution
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// along with SetPosRot2. SetPosRot1 sets the vector x' and need not be
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// a unit vector.
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//
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// void SetPosRot2(G4ThreeVector)
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// Used in connection with SetPosRot1. This sets a vector in the plane
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// x'y'. By a series of cross products x', y', z' are generated. Again
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// need not be a unit vector.
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//
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// void SetHalfX(G4double)
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// Sets the half length in x.
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//
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// void SetHalfY(G4double)
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// Sets the half length in y.
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//
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// void SetHalfZ(G4double)
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// Sets the half length in z.
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//
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// void SetRadius(G4double)
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// Sets the radius where appropriate for source distribution shapes.
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//
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// void SetRadius0(G4double)
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// Sets the inner radius where appropriate for source distribution shapes.
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//
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// void SetBeamSigmaInR(G4double);
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// Sets the sigma for 1D beam
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//
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// void SetBeamSigmaInX(G4double);
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// Sets the first sigma for 2D beam
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//
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// void SetBeamSigmaInY(G4double);
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// Sets the second sigma for 2D beam
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//
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// void SetParAlpha(G4double)
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// Sets the angle Alpha in the Parallelepiped shapes.
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//
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// void SetParTheta(G4double)
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// Sets the angle Theta in the Parallelepiped shapes.
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//
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// void SetParPhi(G4double)
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// Sets the angle Phi in the Parallelepiped shapes.
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//
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// void ConfineSourceToVolume(G4String)
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// Used to confine the start positions to a particular volume.
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//
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// void SetBiasRndm (G4SPSRandomGenerator* a) { posRndm = a ; };
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// Sets the biased random number generator
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//
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// G4ThreeVector GenerateOne();
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// Generate one random position
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//
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// void SetVerbosity(G4int)
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// Sets the verbosity level.
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//
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///////////////////////////////////////////////////////////////////////////////
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//
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#ifndef G4SPSPosDistribution_h
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#define G4SPSPosDistribution_h 1
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#include "G4Navigator.hh"
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#include "G4SPSRandomGenerator.hh"
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class G4SPSPosDistribution
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{
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//
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friend class G4SPSAngDistribution;
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public:
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G4SPSPosDistribution ();
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~G4SPSPosDistribution ();
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// methods to create source position dist.
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void SetPosDisType(G4String); // Point, Plane, Surface, Volume
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inline G4String GetPosDisType() { return SourcePosType; };
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void SetPosDisShape(G4String);
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inline G4String GetPosDisShape() { return Shape; };
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// SetPosDisShape - Square, Circle, Annulus, Ellipse, Rectangle, Sphere,
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// Ellipsoid, Cylinder, Right (parallelepiped).
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void SetCentreCoords(G4ThreeVector);
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inline G4ThreeVector GetCentreCoords() { return CentreCoords; } ;
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void SetPosRot1(G4ThreeVector);
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void SetPosRot2(G4ThreeVector);
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void SetHalfX(G4double);
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inline G4double GetHalfX() { return halfx; } ;
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void SetHalfY(G4double);
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inline G4double GetHalfY() { return halfy; } ;
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void SetHalfZ(G4double);
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inline G4double GetHalfZ() { return halfz; } ;
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void SetRadius(G4double);
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inline G4double GetRadius() { return Radius; };
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void SetRadius0(G4double);
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void SetBeamSigmaInR(G4double);
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void SetBeamSigmaInX(G4double);
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void SetBeamSigmaInY(G4double);
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void SetParAlpha(G4double);
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void SetParTheta(G4double);
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void SetParPhi(G4double);
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void ConfineSourceToVolume(G4String);
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//
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void SetBiasRndm (G4SPSRandomGenerator* a) { posRndm = a ; };
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// Set the verbosity level.
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void SetVerbosity(G4int a) {verbosityLevel = a; } ;
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//
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G4ThreeVector GenerateOne();
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private:
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void GenerateRotationMatrices();
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// the following routines generate the source position
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void GeneratePointSource();
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void GeneratePointsInBeam();
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void GeneratePointsInPlane();
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void GeneratePointsOnSurface();
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void GeneratePointsInVolume();
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G4bool IsSourceConfined();
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private:
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// Position distribution Variables
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G4String SourcePosType; //Point,Plane,Surface,Volume
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G4String Shape; //Circle,Square,Rectangle etc..
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G4double halfx, halfy, halfz; //half lengths
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G4double Radius; //Radius for circles or spheres
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G4double Radius0; // The inner radius of an annulus
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G4double SR,SX,SY; // Standard deviation in raduial, x, y for beam type source
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G4ThreeVector CentreCoords; // Coords of centre of input shape
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G4ThreeVector Rotx, Roty, Rotz; // Unit vectors defining rotation matrix
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G4double ParAlpha, ParTheta, ParPhi; //Angle for Right Parallellepipeds
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G4bool Confine; //If true confines source distribution to VolName
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G4String VolName;
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G4ThreeVector SideRefVec1,SideRefVec2,SideRefVec3; //Side rotation matrices
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G4ThreeVector particle_position; // the final particle position to be returned
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//
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G4Navigator *gNavigator;
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//
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G4SPSRandomGenerator* posRndm; // biased random generator
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// Verbosity
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G4int verbosityLevel;
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};
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#endif
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