Gabriele Cosmo
111 lines
5.3 KiB
C++
111 lines
5.3 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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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. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// $Id$
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//
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/////////////////////////////////////////////////////////////////////////////
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// Class Name: G4AdjointCrossSurfChecker
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// Author: L. Desorgher
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// Organisation: SpaceIT GmbH
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// Contract: ESA contract 21435/08/NL/AT
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// Customer: ESA/ESTEC
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/////////////////////////////////////////////////////////////////////////////
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#include "G4AdjointPrimaryGenerator.hh"
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#include "G4PhysicalConstants.hh"
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#include "G4Event.hh"
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#include "G4SingleParticleSource.hh"
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#include "G4ParticleDefinition.hh"
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#include "G4AdjointPosOnPhysVolGenerator.hh"
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/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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G4AdjointPrimaryGenerator::G4AdjointPrimaryGenerator()
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: radius_spherical_source(0.)
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{
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theSingleParticleSource = new G4SingleParticleSource();
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theSingleParticleSource->GetEneDist()->SetEnergyDisType("Pow");
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theSingleParticleSource->GetEneDist()->SetAlpha(-1.);
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theSingleParticleSource->GetPosDist()->SetPosDisType("Point");
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theSingleParticleSource->GetAngDist()->SetAngDistType("planar");
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theG4AdjointPosOnPhysVolGenerator = G4AdjointPosOnPhysVolGenerator::GetInstance();
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}
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/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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G4AdjointPrimaryGenerator::~G4AdjointPrimaryGenerator()
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{
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delete theSingleParticleSource;
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}
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/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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void G4AdjointPrimaryGenerator::GenerateAdjointPrimaryVertex(G4Event* anEvent,G4ParticleDefinition* adj_part,G4double E1,G4double E2)
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{
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if (type_of_adjoint_source == "ExternalSurfaceOfAVolume") {
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//Generate position and direction relative to the external surface of sensitive volume
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//-------------------------------------------------------------
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G4double costh_to_normal;
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G4ThreeVector pos,direction;
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theG4AdjointPosOnPhysVolGenerator->GenerateAPositionOnTheExtSurfaceOfThePhysicalVolume(pos, direction,costh_to_normal);
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if (costh_to_normal <1.e-4) costh_to_normal =1.e-4;
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theSingleParticleSource->GetAngDist()->SetParticleMomentumDirection(-direction);
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theSingleParticleSource->GetPosDist()->SetCentreCoords(pos);
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}
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theSingleParticleSource->GetEneDist()->SetEmin(E1);
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theSingleParticleSource->GetEneDist()->SetEmax(E2);
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theSingleParticleSource->SetParticleDefinition(adj_part);
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theSingleParticleSource->GeneratePrimaryVertex(anEvent);
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}
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/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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void G4AdjointPrimaryGenerator::SetSphericalAdjointPrimarySource(G4double radius, G4ThreeVector center_pos)
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{
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radius_spherical_source = radius;
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center_spherical_source = center_pos;
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type_of_adjoint_source ="Spherical";
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theSingleParticleSource->GetPosDist()->SetPosDisType("Surface");
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theSingleParticleSource->GetPosDist()->SetPosDisShape("Sphere");
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theSingleParticleSource->GetPosDist()->SetCentreCoords(center_pos);
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theSingleParticleSource->GetPosDist()->SetRadius(radius);
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theSingleParticleSource->GetAngDist()->SetAngDistType("cos");
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theSingleParticleSource->GetAngDist()->SetMaxTheta(pi);
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theSingleParticleSource->GetAngDist()->SetMinTheta(halfpi);
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}
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/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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void G4AdjointPrimaryGenerator::SetAdjointPrimarySourceOnAnExtSurfaceOfAVolume(const G4String& volume_name)
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{
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theG4AdjointPosOnPhysVolGenerator->DefinePhysicalVolume1(volume_name);
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type_of_adjoint_source ="ExternalSurfaceOfAVolume";
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theSingleParticleSource->GetPosDist()->SetPosDisType("Point");
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theSingleParticleSource->GetAngDist()->SetAngDistType("planar");
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}
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