gPrimaryGeneratorAction.cc

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// gemc
#include "gparticle_options.h"
#include "gPrimaryGeneratorAction.h"
 
 
GPrimaryGeneratorAction::GPrimaryGeneratorAction(std::shared_ptr<GOptions> gopts) :
    GBase(gopts, GPRIMARYGENERATORACTION_LOGGER),
    gparticleGun(nullptr) {
    // Allocate the particle gun and load configured particle definitions.
    gparticleGun = new G4ParticleGun();
    gparticles   = gparticle::getGParticles(gopts, log);
 
    if (gparticles.empty()) {
        // Ensure a valid generator configuration by creating a default particle.
        auto default_particle = Gparticle::create_default_gparticle(log);
        log->info(1, "No gparticle was defined. Creating default:", *default_particle);
        gparticles.emplace_back(default_particle);
    }
}
 
GPrimaryGeneratorAction::~GPrimaryGeneratorAction() {
    // Release the internally owned particle gun.
    delete gparticleGun;
}
 
 
void GPrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent) {
    // Generate primaries by iterating over all configured particle definitions.
    for (auto& gparticle : gparticles) {
        log->info(2, gparticle);
 
        gparticle->shootParticle(gparticleGun, anEvent);
    }
}