fix: simID should be "position in MCParticles array"
The association simID
field is not the id()
output, but the getObjectID().index
output, since it is defined as the "index of corresponding MCParticle (position in MCParticles array)".
The association simID
field is not the id()
output, but the getObjectID().index
output, since it is defined as the "index of corresponding MCParticle (position in MCParticles array)".