https://github.com/cran/spacetime
Tip revision: f6a3a948cb78aaf2a5d4331075a438167b5adb7e authored by Edzer Pebesma on 03 September 2013, 13:58:44 UTC
version 1.0-7
version 1.0-7
Tip revision: f6a3a94
Class-STTDF.R
setClass("STT", # space-time trajectory/ies without data values
contains = "ST",
slots = c(traj = "list"),
validity = function(object) {
stopifnot(length(object@traj) > 0)
stopifnot(length(object@sp) == 2)
stopifnot(length(object@time) == 2)
stopifnot(all(sapply(object@traj, class) == "STI"))
stopifnot(!isTRUE(timeIsInterval(object)))
return(TRUE)
}
)
setClass("STTDF", # space-time trajectory/ies with data values
contains = "STT",
slots = c(data = "data.frame"),
validity = function(object) {
stopifnot(sum(sapply(object@traj, length)) == nrow(object@data))
.checkAttrIsUnique(object@sp, object@time, object@data)
return(TRUE)
}
)