re-added zoom to help with projection tweaking
tweaking translation&zoom
tweaking translation&zoom
reading timepoint from slider
tweaking translation&zoom
reading timepoint value
tweaking translation&zoom
tweaking translation&zoom
tweaking translation&zoom
tweaking translation&zoom
tweaking translation&zoom
using active indicator on line graphs
tweaking translation&zoom
tweaking translation&zoom
tweaking translation&zoom
tweaking translation&zoom
tweaking translation&zoom
tweaking translation&zoom
tweaking translation&zoom
tweaking translation&zoom