Create Tracker Object

obj_tracker(
  tracker,
  contains,
  pos = NULL,
  height_tracker = NULL,
  git = NULL,
  timestamp = NULL
)

Arguments

tracker	ggtrack tracker object
contains	character vector tracks what elements have been added to tracker
pos	`numeric` `vector` of `length` 3, defining the horizontal proportion of each container. The 3 numbers must add to 100.
height_tracker	numeric tracker height in cm.
git	character git information derived by get_git_info

tracker