50 GenParticlePtr p1 = std::make_shared<GenParticle>(
FourVector( 0.0, 0.0, 7000.0, 7000.0 ),2212, 3 );
51 GenParticlePtr p2 = std::make_shared<GenParticle>(
FourVector( 0.750, -1.569, 32.191, 32.238), 1, 3 );
52 GenParticlePtr p3 = std::make_shared<GenParticle>(
FourVector( 0.0, 0.0, -7000.0, 7000.0 ),2212, 3 );
53 GenParticlePtr p4 = std::make_shared<GenParticle>(
FourVector(-3.047,-19.0, -54.629, 57.920), -2, 3 );
55 GenVertexPtr v1 = std::make_shared<GenVertex>();
56 v1->add_particle_in (p1);
57 v1->add_particle_out(p2);
63 GenVertexPtr v2 = std::make_shared<GenVertex>();
64 v2->add_particle_in (p3);
65 v2->add_particle_out(p4);
68 GenVertexPtr v3 = std::make_shared<GenVertex>();
69 v3->add_particle_in(p2);
70 v3->add_particle_in(p4);
73 GenParticlePtr p5 = std::make_shared<GenParticle>(
FourVector(-3.813, 0.113, -1.833, 4.233), 22, 1 );
74 GenParticlePtr p6 = std::make_shared<GenParticle>(
FourVector( 1.517,-20.68, -20.605,85.925), -24, 3 );
76 v3->add_particle_out(p5);
77 v3->add_particle_out(p6);
79 GenVertexPtr v4 =std:: make_shared<GenVertex>();
80 v4->add_particle_in (p6);
83 GenParticlePtr p7 = std::make_shared<GenParticle>(
FourVector(-2.445, 28.816, 6.082,29.552), 1, 1 );
84 GenParticlePtr p8 = std::make_shared<GenParticle>(
FourVector( 3.962,-49.498,-26.687,56.373), -2, 1 );
86 v4->add_particle_out(p7);
87 v4->add_particle_out(p8);
130 std::shared_ptr<GenPdfInfo> pdf_info = std::make_shared<GenPdfInfo>();
131 evt.add_attribute(
"GenPdfInfo",pdf_info);
133 pdf_info->
set(1,2,3.4,5.6,7.8,9.0,1.2,3,4);
135 std::shared_ptr<GenHeavyIon> heavy_ion = std::make_shared<GenHeavyIon>();
136 evt.add_attribute(
"GenHeavyIon",heavy_ion);
138 heavy_ion->
set( 1,2,3,4,5,6,7,8,9,0.1,2.3,4.5,6.7);
140 std::shared_ptr<GenCrossSection> cross_section = std::make_shared<GenCrossSection>();
141 evt.add_attribute(
"GenCrossSection",cross_section);
149 std::cout << std::endl <<
" Manipulating attributes:" << std::endl;
152 std::shared_ptr<GenCrossSection> cs = evt.attribute<
GenCrossSection>(
"GenCrossSection");
159 else std::cout <<
"Problem accessing attribute!" <<std::endl;
162 evt.remove_attribute(
"GenCrossSection");
163 evt.remove_attribute(
"GenCrossSection");
168 if(!cs)std::cout <<
"Successfully removed attribute" <<std::endl;
169 else std::cout <<
"Problem removing attribute!" <<std::endl;
175 std::shared_ptr<Attribute> tool1 = std::make_shared<IntAttribute>(1);
176 std::shared_ptr<Attribute> tool999 = std::make_shared<IntAttribute>(999);
177 std::shared_ptr<Attribute> test_attribute = std::make_shared<StringAttribute>(
"test attribute");
178 std::shared_ptr<Attribute> test_attribute2 = std::make_shared<StringAttribute>(
"test attribute2");
180 p2->add_attribute(
"tool" , tool1 );
181 p2->add_attribute(
"other" , test_attribute );
183 p4->add_attribute(
"tool" , tool1 );
185 p6->add_attribute(
"tool" , tool999 );
186 p6->add_attribute(
"other" , test_attribute2 );
188 v3->add_attribute(
"vtx_att" , test_attribute );
189 v4->add_attribute(
"vtx_att" , test_attribute2 );
199 for(ConstGenParticlePtr p: applyFilter(Selector::ATTRIBUTE("tool"), evt.particles())){
203 std::cout <<std::endl << "Find all particles with attribute 'tool' equal 1 "<< std::endl;
204 std::cout << "(should return particles 2,4):" <<std::endl;
206 for(ConstGenParticlePtr p: applyFilter(Selector::ATTRIBUTE("tool") && Selector::ATTRIBUTE("tool") == tool1, evt.particles())){
210 std::cout << std::endl << "Find all particles with a string attribute 'other' equal 'test attribute' "<< std::endl;
211 std::cout << "(should return particle 2):" << std::endl;
214 for(ConstGenParticlePtr p: applyFilter(Selector::ATTRIBUTE("other") && Selector::ATTRIBUTE("other") == "test_attribute", evt.particles())){
219 std::cout << std::endl <<
"Offsetting event position by 5,5,5,5" << std::endl;
225 std::cout << std::endl <<
"Printing full content of the GenEvent object " << std::endl
226 <<
"(including particles and vertices in one-line format):" << std::endl << std::endl;
230 std::cout <<std::endl <<
"Now: removing particle with id 6 and printing again:" <<std::endl <<std::endl;
231 evt.remove_particle(p6);
236 std::cout <<std::endl <<
"Now: removing beam particles, leaving an empty event" <<std::endl <<std::endl;
237 evt.remove_particles( evt.beams() );