Tracked(mutable = TRUE, fixed = FALSE, labeled = TRUE, hasAxis = FALSE, bgColor = "white", height = unit(1, "null"))
TRUE
. To control whether a track is
updatable by applying +
on it.
FALSE
. To control whether the scale
response to a xlim change or not.
TRUE
. To control whether to label it
all not.
FALSE
. To control whether to show axis
for that track or not.
Tracked
object.