
obtain ranges of space and time coordinates
stbox(obj)
stbox
returns a data.frame
, with three columns
representing x-, y- and time-coordinates, and two rows containing min
and max values.
signature(x = "Tracks")
: obtain st range from object
signature(x = "TracksCollection")
: obtain st range from object
object of a class deriving from Tracks
or TracksCollection
.