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Explanation of Driver Code
Below is the complete text of the Analysis101 Driver.
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import org.lcsim.util.aida.AIDA;
import hep.physics.vec.VecOp;
import java.util.List;
import org.lcsim.event.EventHeader;
import org.lcsim.event.MCParticle;
import org.lcsim.util.Driver;
public class Analysis101 extends Driver
{
private AIDA aida = AIDA.defaultInstance();
protected void process(EventHeader event)
{
List<MCParticle> particles = event.get(MCParticle.class,event.MC_PARTICLES);
aida.cloud1D("nTracks").fill(particles.size());
for (MCParticle particle : particles)
{
aida.cloud1D("energy").fill(particle.getEnergy());
aida.cloud1D("cosTheta").fill(VecOp.cosTheta(particle.getMomentum()));
aida.cloud1D("phi").fill(VecOp.phi(particle.getMomentum()));
}
}
}
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