using namespace HepMC3;
GenParticlePtr p1 = std::make_shared<GenParticle>(
FourVector( 0.0, 0.0, 7000.0, 7000.0 ),2212, 3 );
GenParticlePtr p2 = std::make_shared<GenParticle>(
FourVector( 0.750, -1.569, 32.191, 32.238), 1, 3 );
GenParticlePtr p3 = std::make_shared<GenParticle>(
FourVector( 0.0, 0.0, -7000.0, 7000.0 ),2212, 3 );
GenParticlePtr p4 = std::make_shared<GenParticle>(
FourVector(-3.047,-19.0, -54.629, 57.920), -2, 3 );
GenVertexPtr v1 = std::make_shared<GenVertex>();
v1->add_particle_in (p1);
v1->add_particle_out(p2);
v1->set_status(4);
GenVertexPtr v2 = std::make_shared<GenVertex>();
v2->add_particle_in (p3);
v2->add_particle_out(p4);
GenVertexPtr v3 = std::make_shared<GenVertex>();
v3->add_particle_in(p2);
v3->add_particle_in(p4);
GenParticlePtr p5 = std::make_shared<GenParticle>(
FourVector(-3.813, 0.113, -1.833, 4.233), 22, 1 );
GenParticlePtr p6 = std::make_shared<GenParticle>(
FourVector( 1.517,-20.68, -20.605,85.925), -24, 3 );
v3->add_particle_out(p5);
v3->add_particle_out(p6);
GenVertexPtr v4 =std:: make_shared<GenVertex>();
v4->add_particle_in (p6);
GenParticlePtr p7 = std::make_shared<GenParticle>(
FourVector(-2.445, 28.816, 6.082,29.552), 1, 1 );
GenParticlePtr p8 = std::make_shared<GenParticle>(
FourVector( 3.962,-49.498,-26.687,56.373), -2, 1 );
v4->add_particle_out(p7);
v4->add_particle_out(p8);
std::shared_ptr<GenPdfInfo> pdf_info = std::make_shared<GenPdfInfo>();
pdf_info->set(1,2,3.4,5.6,7.8,9.0,1.2,3,4);
std::shared_ptr<GenHeavyIon> heavy_ion = std::make_shared<GenHeavyIon>();
heavy_ion->set( 1,2,3,4,5,6,7,8,9,0.1,2.3,4.5,6.7);
std::shared_ptr<GenCrossSection> cross_section = std::make_shared<GenCrossSection>();
cross_section->set_cross_section(1.2,3.4);
std::cout << std::endl << " Manipulating attributes:" << std::endl;
if(cs) {
}
else std::cout << "Problem accessing attribute!" <<std::endl;
if(!cs)std::cout << "Successfully removed attribute" <<std::endl;
else std::cout << "Problem removing attribute!" <<std::endl;
std::shared_ptr<Attribute> tool1 = std::make_shared<IntAttribute>(1);
std::shared_ptr<Attribute> tool999 = std::make_shared<IntAttribute>(999);
std::shared_ptr<Attribute> test_attribute = std::make_shared<StringAttribute>("test attribute");
std::shared_ptr<Attribute> test_attribute2 = std::make_shared<StringAttribute>("test attribute2");
p2->add_attribute( "tool" , tool1 );
p2->add_attribute( "other" , test_attribute );
p4->add_attribute( "tool" , tool1 );
p6->add_attribute( "tool" , tool999 );
p6->add_attribute( "other" , test_attribute2 );
v3->add_attribute( "vtx_att" , test_attribute );
v4->add_attribute( "vtx_att" , test_attribute2 );
for(ConstGenParticlePtr p: applyFilter(Selector::ATTRIBUTE("tool"), evt.particles())){
Print::line(p);
}
std::cout <<std::endl << "Find all particles with attribute 'tool' equal 1 "<< std::endl;
std::cout << "(should return particles 2,4):" <<std::endl;
for(ConstGenParticlePtr p: applyFilter(Selector::ATTRIBUTE("tool") && Selector::ATTRIBUTE("tool") == tool1, evt.particles())){
Print::line(p);
}
std::cout << std::endl << "Find all particles with a string attribute 'other' equal 'test attribute' "<< std::endl;
std::cout << "(should return particle 2):" << std::endl;
for(ConstGenParticlePtr p: applyFilter(Selector::ATTRIBUTE("other") && Selector::ATTRIBUTE("other") == "test_attribute", evt.particles())){
Print::line(p);
}
*/
std::cout << std::endl << "Offsetting event position by 5,5,5,5" << std::endl;
std::cout << std::endl << "Printing full content of the GenEvent object " << std::endl
<< "(including particles and vertices in one-line format):" << std::endl << std::endl;
std::cout <<std::endl << "Now: removing particle with id 6 and printing again:" <<std::endl <<std::endl;
std::cout <<std::endl << "Now: removing beam particles, leaving an empty event" <<std::endl <<std::endl;
return 0;
}