Gabriele Cosmo
669 lines
23 KiB
C++
669 lines
23 KiB
C++
//
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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: G4GeneralParticleSource.hh
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//
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// Version: 1.1
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// Date: 18/10/00
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// Author: C Ferguson, F Lei & P Truscott
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// Organisation: University of Southampton / DERA
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// Customer: ESA/ESTEC
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//
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///////////////////////////////////////////////////////////////////////////////
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// $Id: G4GeneralParticleSource.hh,v 1.7 2001/10/19 16:48:28 flei Exp $
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// GEANT4 tag $Name: geant4-05-02 $
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///////////////////////////////////////////////////////////////////////////////
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//
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// Class Description:
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//
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// The General Particle Source is designed to extend the functionality of the
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// G4ParticleGun class. It is designed to allow specification of input
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// particles in terms of position, direction (or angular) and energy
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// distributions. This class is derived from G4VPrimaryGenerator.
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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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// G4GeneralParticleSource ()
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// Constructor: Initializes variables and instantiates the
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// Messenger and Navigator classes
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//
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// ~G4GeneralParticleSource ()
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// Destructor: deletes Messenger and prints out run information.
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//
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// void GeneratePrimaryVertex(G4Event *evt)
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// Generate the particles initial parameters.
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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 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 GenerateRotationMatrices()
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// This is used to calculate the cross products and determine the
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// vectors x', y', z' for the position distribution.
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//
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// void GeneratePointSource()
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// Generates a point source.
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//
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// void GeneratePointsInPlane()
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// Generates starting positions confined to a plane source.
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//
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// void GeneratePointsOnSurface()
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// Generates starting positions confined to the surface of a shape.
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//
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// void GeneratePointsInVolume()
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// Generates starting positions within the volume of a shape.
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//
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// G4bool IsSourceConfined()
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// Checks the source is confined to the requested volume.
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//
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// Angular Distribution Methods:
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//
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// void SetAngDistType(G4String)
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// Used to set the type of angular distribution wanted. Arguments
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// are iso, cos and user for isotropic, cosine-law and user-defined
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// respectively.
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//
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// void DefineAngRefAxes(G4String, G4ThreeVector)
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// DefineAngRefAxes is used in a similar way as SetPosRot to
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// define vectors, one x' and one in the plane x'y', to create
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// a rotated set of axes for the angular distribution.
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//
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// void SetMinTheta(G4double)
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// Sets the minimum value for the angle theta.
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//
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// void SetMinPhi(G4double)
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// Sets the minimum value for phi.
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//
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// void SetMaxTheta(G4double)
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// Sets the maximum value for theta.
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//
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// void SetMaxPhi(G4double)
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// Sets the maximum value for phi.
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//
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// void UserDefAngTheta(G4ThreeVector)
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// This method allows the user to define a histogram in Theta.
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//
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// void UserDefAngPhi(G4ThreeVector)
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// This method allows the user to define a histogram in phi.
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//
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// void GenerateIsotropicFlux()
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// This method generates momentum vectors for particles according
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// to an isotropic distribution.
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//
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// void GenerateCosineLawFlux()
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// This method generates momentum vectors for particles according
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// to a cosine-law distribution.
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//
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// void GenerateUserDefFlux()
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// Controls generation of momentum vectors according to user-defined
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// distributions.
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//
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// G4double GenerateUserDefTheta()
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// Generates the theta angle according to a user-defined distribution.
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//
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// G4double GenerateUserDefPhi()
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// Generates phi according to a user-defined distribution.
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//
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// void SetUserWRTSurface(G4bool)
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// Allows user to have user-defined spectra either with respect to the
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// co-ordinate system (default) or with respect to the surface normal.
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//
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// Energy Distribution methods:
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//
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// void SetEnergyDisType(G4String)
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// Allows the user to choose the energy distribution type. The arguments
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// are Mono (mono-energetic), Lin (linear), Pow (power-law), Exp
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// (exponential), Brem (bremsstrahlung), BBody (black-body), Cdg
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// (cosmic diffuse gamma-ray), User (user-defined), Arb (arbitrary
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// point-wise), Epn (energy per nucleon).
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//
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// void SetEmin(G4double)
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// Sets the minimum energy.
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//
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// void SetEmax(G4double)
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// Sets the maximum energy.
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//
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// void SetMonoEnergy(G4double)
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// Sets energy for mono-energetic distribution.
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//
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// void SetAlpha(G4double)
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// Sets alpha for a power-law distribution.
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//
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// void SetTemp(G4double)
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// Sets Temperature for a Brem or BBody distributions.
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//
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// void SetEzero(G4double)
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// Sets Ezero for an exponential distribution.
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//
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// void SetGradient(G4double)
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// Sets gradient for a linear distribution.
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//
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// void SetInterCept(G4double)
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// Sets intercept for a linear distribution.
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//
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// void UserEnergyHisto(G4ThreeVector)
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// Allows user to defined a histogram for the energy distribution.
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//
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// void ArbEnergyHisto(G4ThreeVector)
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// Allows the user to define an Arbitrary set of points for the
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// energy distribution.
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//
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// void EpnEnergyHisto(G4ThreeVector)
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// Allows the user to define an Energy per nucleon histogram.
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//
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// void Calculate()
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// Controls the calculation of Integral PDF for the Cdg and BBody
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// distributions.
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//
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// void CalculateCdgSpectrum()
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// Calculates the integral PDF for the Cdg distribution.
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//
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// void CalculateBbodySpectrum()
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// Calculates the Integral PDF for the Bbody distribution.
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//
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// void InputEnergySpectra(G4bool)
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// Allows the user to choose between momentum and energy histograms
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// for user-defined histograms and arbitrary point-wise spectr.
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// The default is true (energy).
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//
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// void InputDifferentialSpectra(G4bool)
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// Allows the user to choose between integral and differential
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// distributions when using the arbitrary point-wise option.
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//
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// void ArbInterpolate(G4String)
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// ArbInterpolate allows the user to specify the type of function to
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// interpolate the Arbitrary points spectrum with.
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//
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// void LinearInterpolation()
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// Interpolates arbitrary points with a series of line segments.
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//
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// void LogInterpolation()
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// Interpolates arbitrary points with a series of power-laws.
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//
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// void ExpInterpolation()
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// Interpolates arbitrary points with a series of exponentials.
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//
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// void SplineInterpolation()
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// Interpolates arbitrary points using cubic splines.
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//
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// void GenerateMonoEnergetic()
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// Generates a mono-energetic source.
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//
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// void GenerateLinearEnergies()
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// Generates particle energies according to a linear distribution.
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//
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// void GeneratePowEnergies()
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// Generates particle energies according to a power-law distribution.
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//
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// void GenerateExpEnergies()
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// Generates particle energies according to an exponential distribution.
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//
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// void GenerateBremEnergies()
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// Generates particle energies according to a bremsstrahlung distribution.
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//
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// void GenerateBbodyEnergies()
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// Generates particle energies according to a black-body distribution.
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//
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// void GenerateCdgEnergies()
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// Generates particle energies according to a Cdg distribution.
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//
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// void GenUserHistEnergies()
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// Generates particle energies according to a user-defined distribution.
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//
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// void GenEpnHistEnergies()
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// Generates particle energies according to a energy per nucleon
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// distribution.
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//
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// void GenArbPointEnergies()
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// Generates particle energies according to an arbitrary point-wise
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// spectrum.
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//
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// void ConvertEPNToEnergy()
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// Converts energy per nucleon histograms to energy histograms.
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//
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// Biasing Methods:
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//
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// void SetXBias(G4ThreeVector)
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// Allows the user to re-distribute the random
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// numbers used to generate x co-ordinates.
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//
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// void SetYBias(G4ThreeVector)
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// Allows the user to re-distribute the random
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// numbers used to generate y co-ordinates.
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//
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// void SetZBias(G4ThreeVector)
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// Allows the user to re-distribute the random
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// numbers used to generate z co-ordinates.
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//
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// void SetThetaBias(G4ThreeVector)
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// Allows the user to re-distribute the random
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// numbers used to generate values of theta.
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//
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// void SetPhiBias(G4ThreeVector)
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// Allows the user to re-distribute the random
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// numbers used to generate values of phi.
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//
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// void SetEnergyBias(G4ThreeVector)
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// Allows the user to re-distribute the random
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// numbers used to generate the energies.
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//
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// G4double GenRandX()
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// Generates the random number for x, with or without biasing.
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//
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// G4double GenRandY()
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// Generates the random number for y, with or without biasing.
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//
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// G4double GenRandZ()
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// Generates the random number for z, with or without biasing.
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//
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// G4double GenRandTheta()
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// Generates the random number for theta, with or without biasing.
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//
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// G4double GenRandPhi()
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// Generates the random number for phi, with or without biasing.
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//
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// G4double GenRandEnergy()
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// Generates the random number for energy, with or without biasing.
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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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//
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// CHANGE HISTORY
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// --------------
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//
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// Version 1.0, 28 February 2000, C Ferguson, Created.
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//
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// Version 1.1, 18 October 2000, Modified to inherit from G4VPrimaryGenerator.
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// New name at the request of M. Asai.
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//
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///////////////////////////////////////////////////////////////////////////////
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//
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#ifndef G4GeneralParticleSource_h
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#define G4GeneralParticleSource_h 1
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#include "G4VPrimaryGenerator.hh"
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#include "G4Navigator.hh"
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#include "G4PhysicsOrderedFreeVector.hh"
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#include "G4ParticleMomentum.hh"
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#include "G4ParticleDefinition.hh"
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#include "G4DataInterpolation.hh"
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#include "G4GeneralParticleSourceMessenger.hh"
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class G4GeneralParticleSource : public G4VPrimaryGenerator
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{
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public:
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G4GeneralParticleSource ();
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~G4GeneralParticleSource ();
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void GeneratePrimaryVertex(G4Event *evt);
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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()
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{ return SourcePosType; }
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void SetPosDisShape(G4String);
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inline G4String GetPosDisShape()
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{ 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()
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{ 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()
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{ return halfx; }
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void SetHalfY(G4double);
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inline G4double GetHalfY()
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{ return halfy; }
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void SetHalfZ(G4double);
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inline G4double GetHalfZ()
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{ return halfz; }
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void SetRadius(G4double);
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inline G4double GetRadius()
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{ 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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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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// Angular Distribution Methods
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void SetAngDistType(G4String);
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void DefineAngRefAxes(G4String, G4ThreeVector);
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void SetMinTheta(G4double);
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void SetMinPhi(G4double);
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void SetMaxTheta(G4double);
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void SetMaxPhi(G4double);
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void SetBeamSigmaInAngR(G4double);
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void SetBeamSigmaInAngX(G4double);
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void SetBeamSigmaInAngY(G4double);
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void UserDefAngTheta(G4ThreeVector);
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void UserDefAngPhi(G4ThreeVector);
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inline void SetParticleMomentumDirection
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(G4ParticleMomentum aMomentumDirection)
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{ particle_momentum_direction = aMomentumDirection.unit(); }
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// These methods generate the momentum vectors for the particles.
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void GenerateIsotropicFlux();
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void GenerateCosineLawFlux();
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void GenerateBeamFlux();
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void GeneratePlanarFlux();
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void GenerateUserDefFlux();
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G4double GenerateUserDefTheta();
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G4double GenerateUserDefPhi();
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void SetUseUserAngAxis(G4bool);
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void SetUserWRTSurface(G4bool);
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// Energy Distribution methods
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void SetEnergyDisType(G4String);
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inline G4String GetEnergyDisType()
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{return EnergyDisType;}
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void SetEmin(G4double);
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inline G4double GetEmin()
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{return Emin;}
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inline G4double GetArbEmin()
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{return ArbEmin;}
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void SetEmax(G4double);
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inline G4double GetEmax()
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{return Emax;}
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inline G4double GetArbEmax()
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{return ArbEmax;}
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void SetMonoEnergy(G4double);
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void SetAlpha(G4double);
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void SetTemp(G4double);
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void SetBeamSigmaInE(G4double);
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void SetEzero(G4double);
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void SetGradient(G4double);
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void SetInterCept(G4double);
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void UserEnergyHisto(G4ThreeVector);
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void ArbEnergyHisto(G4ThreeVector);
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void EpnEnergyHisto(G4ThreeVector);
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void Calculate();
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void CalculateCdgSpectrum();
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void CalculateBbodySpectrum();
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void InputEnergySpectra(G4bool);
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void InputDifferentialSpectra(G4bool);
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void ArbInterpolate(G4String);
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inline G4String GetIntType()
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{return IntType;}
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void LinearInterpolation();
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void LogInterpolation();
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void ExpInterpolation();
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void SplineInterpolation();
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// The following methods generate energies according to the spectral
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// parameters defined above.
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void GenerateMonoEnergetic();
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void GenerateLinearEnergies();
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void GeneratePowEnergies();
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void GenerateExpEnergies();
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void GenerateGaussEnergies();
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void GenerateBremEnergies();
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void GenerateBbodyEnergies();
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void GenerateCdgEnergies();
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void GenUserHistEnergies();
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void GenEpnHistEnergies();
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void GenArbPointEnergies();
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// converts energy per nucleon to energy.
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void ConvertEPNToEnergy();
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// Biasing Methods
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void SetXBias(G4ThreeVector);
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void SetYBias(G4ThreeVector);
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void SetZBias(G4ThreeVector);
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void SetThetaBias(G4ThreeVector);
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void SetPhiBias(G4ThreeVector);
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void SetEnergyBias(G4ThreeVector);
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G4double GenRandX();
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G4double GenRandY();
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G4double GenRandZ();
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G4double GenRandTheta();
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G4double GenRandPhi();
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G4double GenRandEnergy();
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// method to re-set the histograms
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void ReSetHist(G4String);
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// Set the verbosity level.
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void SetVerbosity(G4int);
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// Set the particle species
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void SetParticleDefinition (G4ParticleDefinition * aParticleDefinition);
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inline G4ParticleDefinition * GetParticleDefinition ()
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{return particle_definition;}
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// SR1.3 - allowing user to define an isotope by A,Z,energy.
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// void SetNucleus(Nucleus theIon1); // Sets the isotope.
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//inline Nucleus GetNucleus() {return theIon;} // Returns the isotope.
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inline void SetParticleCharge(G4double aCharge)
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{ particle_charge = aCharge; }
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// Set polarization
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inline void SetParticlePolarization (G4ThreeVector aVal)
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{particle_polarization = aVal;}
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inline G4ThreeVector GetParticlePolarization ()
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{return particle_polarization;}
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// Set Time.
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inline void SetParticleTime(G4double aTime)
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{ particle_time = aTime; }
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inline G4double GetParticleTime()
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{ return particle_time; }
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inline void SetNumberOfParticles(G4int i)
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{ NumberOfParticlesToBeGenerated = i; }
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inline G4int GetNumberOfParticles()
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{ return NumberOfParticlesToBeGenerated; }
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inline G4ThreeVector GetParticlePosition()
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{ return particle_position;}
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inline G4ThreeVector GetParticleMomentumDirection()
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{ return particle_momentum_direction;}
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inline G4double GetTheta()
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{ return Theta;}
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inline G4double GetPhi()
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{ return Phi;}
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inline G4double GetParticleEnergy()
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{return particle_energy;}
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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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// Angular distribution variables.
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G4String AngDistType; // String to hold Ang dist type iso, cos, user
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G4ThreeVector AngRef1, AngRef2, AngRef3; // Reference axes for ang dist
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G4double MinTheta, MaxTheta, MinPhi, MaxPhi; // min/max theta/phi
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G4double DR,DX,DY ; // Standard deviation for beam divergence
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G4double Theta, Phi; // Store these for use with DEBUG
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G4bool IPDFThetaExist, IPDFPhiExist; // tell whether IPDF histos exist
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G4PhysicsOrderedFreeVector UDefThetaH; // Theta histo data
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G4PhysicsOrderedFreeVector IPDFThetaH; //Cumulative Theta histogram.
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G4PhysicsOrderedFreeVector UDefPhiH; // Phi histo bins
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G4PhysicsOrderedFreeVector IPDFPhiH; // Cumulative phi histogram.
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G4String UserDistType; //String to hold user distributions
|
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G4bool UserWRTSurface; // G4bool to tell whether user wants distribution wrt
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// surface normals or co-ordinate system
|
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G4bool UserAngRef; // Set to true when user defines aaa new coordinates
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|
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// Energy Distribution variables
|
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G4String EnergyDisType; // energy dis type Variable - Mono,Lin,Exp,etc
|
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G4double MonoEnergy; //Mono-energteic energy
|
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G4double SE ; // Standard deviation for Gaussion distrbution in energy
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G4double Emin, Emax; // emin and emax
|
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G4double alpha, Ezero, Temp; // alpha (pow), E0 (exp) and Temp (bbody,brem)
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G4double grad, cept; // gradient and intercept for linear spectra
|
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G4bool EnergySpec; // true - energy spectra, false - momentum spectra
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G4bool DiffSpec; // true - differential spec, false integral spec
|
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G4bool ApplyRig; // false no rigidity cutoff, true then apply one
|
|
G4double ERig; // energy of rigidity cutoff
|
|
G4PhysicsOrderedFreeVector UDefEnergyH; // energy hist data
|
|
G4PhysicsOrderedFreeVector IPDFEnergyH;
|
|
G4bool IPDFEnergyExist, IPDFArbExist, Epnflag;
|
|
G4PhysicsOrderedFreeVector ArbEnergyH; // Arb x,y histogram
|
|
G4PhysicsOrderedFreeVector IPDFArbEnergyH; // IPDF for Arb
|
|
G4PhysicsOrderedFreeVector EpnEnergyH;
|
|
G4double CDGhist[3]; // cumulative histo for cdg
|
|
G4double BBHist[10001], Bbody_x[10001];
|
|
G4String IntType; // Interpolation type
|
|
G4double Arb_grad[256], Arb_cept[256]; // grad and cept for 256 segments
|
|
G4double Arb_alpha[256], Arb_Const[256]; // alpha and constants
|
|
G4double Arb_ezero[256]; // ezero
|
|
G4double ArbEmin, ArbEmax; // Emin and Emax for the whole arb distribution
|
|
//use primarily for debug.
|
|
|
|
// Bias variables
|
|
G4bool XBias, IPDFXBias;
|
|
G4PhysicsOrderedFreeVector XBiasH;
|
|
G4PhysicsOrderedFreeVector IPDFXBiasH;
|
|
G4bool YBias, IPDFYBias;
|
|
G4PhysicsOrderedFreeVector YBiasH;
|
|
G4PhysicsOrderedFreeVector IPDFYBiasH;
|
|
G4bool ZBias, IPDFZBias;
|
|
G4PhysicsOrderedFreeVector ZBiasH;
|
|
G4PhysicsOrderedFreeVector IPDFZBiasH;
|
|
G4bool ThetaBias, IPDFThetaBias;
|
|
G4PhysicsOrderedFreeVector ThetaBiasH;
|
|
G4PhysicsOrderedFreeVector IPDFThetaBiasH;
|
|
G4bool PhiBias, IPDFPhiBias;
|
|
G4PhysicsOrderedFreeVector PhiBiasH;
|
|
G4PhysicsOrderedFreeVector IPDFPhiBiasH;
|
|
G4bool EnergyBias, IPDFEnergyBias;
|
|
G4PhysicsOrderedFreeVector EnergyBiasH;
|
|
G4PhysicsOrderedFreeVector IPDFEnergyBiasH;
|
|
G4double bweights[6], bweight; //record x,y,z,theta,phi,energy weights
|
|
|
|
// Other particle properties
|
|
G4int NumberOfParticlesToBeGenerated;
|
|
G4ParticleDefinition * particle_definition;
|
|
G4ParticleMomentum particle_momentum_direction;
|
|
G4double particle_energy;
|
|
G4double particle_charge;
|
|
G4ThreeVector particle_position;
|
|
G4double particle_time;
|
|
G4ThreeVector particle_polarization;
|
|
|
|
// Verbosity
|
|
G4int verbosityLevel;
|
|
|
|
private:
|
|
|
|
G4PhysicsOrderedFreeVector ZeroPhysVector ; // for re-set only
|
|
|
|
G4DataInterpolation *SplineInt; // holds Spline stuff
|
|
|
|
G4GeneralParticleSourceMessenger *theMessenger;
|
|
G4Navigator *gNavigator;
|
|
|
|
// Nucleus theIon;
|
|
|
|
};
|
|
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#endif
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