DepositionReader: fix parent ID relation (GH PR 24)
Essentially what happened is that while emplacing, the MCParticle std::vector was moved, resulting in wrong pointers. To fix this, one can reserve the needed size before, so nothing is moved.
Essentially what happened is that while emplacing, the MCParticle std::vector was moved, resulting in wrong pointers. To fix this, one can reserve the needed size before, so nothing is moved.