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setClass("Polygon",
representation("Line", labpt = "numeric",
area = "numeric", hole = "logical", ringDir = "integer"),
validity = function(object) {
res <- .Call("Polygon_validate_c", object, PACKAGE="sp")
res
# coords <- object@coords
# start <- coords[1,]
# final <- coords[nrow(coords),]
# if (!identical(start, final))
# return("ring not closed")
# if (any(!is.finite(object@labpt)))
# return("infinite label point")
# return(TRUE)
}
)
setClass("Polygons",
representation(Polygons = "list", plotOrder = "integer",
labpt = "numeric", ID = "character", area = "numeric"),
validity = function(object) {
res <- .Call("Polygons_validate_c", object, PACKAGE="sp")
res
# if (any(sapply(object@Polygons, function(x) !is(x, "Polygon"))))
# return("not a list of Polygon objects")
# if (length(object@Polygons) != length(object@plotOrder))
# return("plotOrder and Polygons differ in length")
# if (any(!is.finite(object@labpt)))
# return("infinite label point")
# return(TRUE)
}
)
setClass("SpatialPolygons",
representation("Spatial",
polygons = "list",
plotOrder = "integer"),
prototype = list(
bbox = matrix(rep(NA, 4), 2, 2, dimnames = list(NULL, c("min","max"))),
proj4string = CRS(as.character(NA)),
polygons = list(),
plotOrder = integer(0)),
validity = function(object) {
# if (length(object@polygons) != length(object@plotOrder))
# return("length mismatch")
# if (any(unlist(lapply(object@polygons, function(x)
# !is(x, "Polygons")))))
# return("polygons not Polygons objects")
# pls <- slot(object, "polygons")
# IDs <- sapply(pls, slot, "ID")
IDs <- .Call("SpatialPolygons_getIDs_c", object, PACKAGE="sp")
if (anyDuplicated(IDs))
return("non-unique Polygons ID slot values")
res <- .Call("SpatialPolygons_validate_c", object, PACKAGE="sp")
res
# if (length(object@polygons) !=
# length(unique(sapply(slot(object, "polygons"),
# function(i) slot(i, "ID")))))
# return("non-unique Polygons ID slot values")
# return(TRUE)
}
)
getPolygonCoordsSlot <- function(Polygon) {
.Deprecated("slot", msg="use *apply and slot directly")
Polygon@coords
}
getPolygonLabptSlot <- function(Polygon) {
.Deprecated("slot", msg="use *apply and slot directly")
Polygon@labpt
}
getPolygonAreaSlot <- function(Polygon) {
.Deprecated("slot", msg="use *apply and slot directly")
Polygon@area
}
getPolygonHoleSlot <- function(Polygon) {
.Deprecated("slot", msg="use *apply and slot directly")
Polygon@hole
}
getPolygonsPolygonsSlot <- function(Polygons) {
.Deprecated("slot", msg="use *apply and slot directly")
Polygons@Polygons
}
getPolygonsplotOrderSlot <- function(Polygons) {
.Deprecated("slot", msg="use *apply and slot directly")
Polygons@plotOrder
}
getPolygonsLabptSlot <- function(Polygons) {
.Deprecated("slot", msg="use *apply and slot directly")
Polygons@labpt
}
getPolygonsIDSlot <- function(Polygons) {
.Deprecated("slot", msg="use *apply and slot directly")
Polygons@ID
}
getSpPpolygonsSlot <- function(SpP) {
.Deprecated("slot", msg="use *apply and slot directly")
SpP@polygons
}
getSpPplotOrderSlot <- function(SpP) {
.Deprecated("slot", msg="use *apply and slot directly")
SpP@plotOrder
}
getSpPPolygonsLabptSlots <- function(SpP) {
.Deprecated("coordinates", msg="use coordinates method")
Srs <- slot(SpP, "polygons")
t(sapply(Srs, function(i) slot(i, "labpt")))
}
getSpPPolygonsIDSlots <- function(SpP) {
.Deprecated("coordinates", msg="use *apply and slot directly")
Srs <- slot(SpP, "polygons")
sapply(Srs, function(i) slot(i, "ID"))
}
getSpPnParts <- function(SpP) {
.Deprecated("coordinates", msg="use *apply and slot directly")
Srs <- slot(SpP, "polygons")
sapply(Srs, function(x) length(slot(x, "Polygons")))
}
getSpPnHoles <- function(SpP) {
.Deprecated("coordinates", msg="use *apply and slot directly")
Srs <- slot(SpP, "polygons")
sapply(Srs, function(x) sapply(slot(x, "Polygons"),
function(y) slot(y, "hole")))
}
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