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G4RayShooter.cc
Go to the documentation of this file.
Or view
the newest version in sPHENIX GitHub for file G4RayShooter.cc
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//
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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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//
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//
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#include "
G4RayShooter.hh
"
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#include "
G4SystemOfUnits.hh
"
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#include "
G4PrimaryParticle.hh
"
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#include "
G4Event.hh
"
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#include "
G4ParticleTable.hh
"
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#include "
G4ParticleDefinition.hh
"
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#include "
globals.hh
"
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G4RayShooter::G4RayShooter
()
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{
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SetInitialValues
();
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}
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void
G4RayShooter::SetInitialValues
()
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{
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particle_definition
= 0;
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G4ThreeVector
zero
;
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particle_momentum_direction
= (
G4ParticleMomentum
)zero;
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particle_energy
= 1.0*
GeV
;
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particle_position
=
zero
;
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particle_time
= 0.0;
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particle_polarization
=
zero
;
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}
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G4RayShooter::~G4RayShooter
()
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{
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}
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void
G4RayShooter::Shoot
(
G4Event
* evt,
G4ThreeVector
vtx,
G4ThreeVector
direc)
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{
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if
(!
particle_definition
)
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{
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G4ParticleTable
* particleTable =
G4ParticleTable::GetParticleTable
();
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G4String
particleName;
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particle_definition
= particleTable->
FindParticle
(particleName=
"geantino"
);
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if
(!
particle_definition
)
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{
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G4String
msg;
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msg =
" G4RayTracer uses geantino to trace the ray, but your physics list does not\n"
;
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msg +=
"define G4Geantino. Please add G4Geantino in your physics list."
;
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G4Exception
(
"G4RayShooter::Shoot"
,
"RayTracer001"
,
FatalException
,msg);
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}
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}
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// create a new vertex
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G4PrimaryVertex
* vertex =
new
G4PrimaryVertex
(vtx,
particle_time
);
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// create new primaries and set them to the vertex
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G4double
mass
=
particle_definition
->
GetPDGMass
();
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G4PrimaryParticle
*
particle
=
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new
G4PrimaryParticle
(
particle_definition
);
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particle->
SetKineticEnergy
(
particle_energy
);
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particle->
SetMass
( mass );
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particle->
SetMomentumDirection
( direc );
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particle->
SetPolarization
(
particle_polarization
.
x
(),
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particle_polarization
.
y
(),
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particle_polarization
.
z
());
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vertex->
SetPrimary
( particle );
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evt->
AddPrimaryVertex
( vertex );
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}
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geant4
tree
geant4-10.6-release
source
event
src
G4RayShooter.cc
Built by
Jin Huang
. updated:
Wed Jun 29 2022 17:25:13
using
1.8.2 with
ECCE GitHub integration