This is the MizerSim method of the upgrade() generic. It rebuilds the
simulation around an upgraded params object; the params upgrade (core mizer
and any extensions) is performed by the validParams() call below. You
should never need to call it directly; use validSim() (or readSim()).
# S3 method for MizerSim
upgrade(object, ...)The upgraded MizerSim object
An old MizerSim object to be upgraded
Unused.