Revision bf048cf5b6fe6ebdb3ae8163d45656c75c6243e9 authored by Martin Schlather on 18 February 2019, 12:44:05 UTC, committed by cran-robot on 18 February 2019, 12:44:05 UTC
1 parent e994a44
Methods-RFsp.R
## Authors
## Martin Schlather, schlather@math.uni-mannheim.de
##
##
## Copyright (C) 2015 -- 2017 Martin Schlather
##
## This program is free software; you can redistribute it and/or
## modify it under the terms of the GNU General Public License
## as published by the Free Software Foundation; either version 3
## of the License, or (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
setAs("SpatialPointsDataFrame", "RFspatialPointsDataFrame",
function(from, to) sp2RF(from))
setAs("SpatialGridDataFrame", "RFspatialGridDataFrame",
function(from, to) sp2RF(from))
setAs("RFspatialGridDataFrame", "RFspatialPointsDataFrame",
function(from, to) RFspatialPointsDataFrame(coords=coordinates(from),
data=from@data,
RFparams=from@.RFparams))
setAs("RFspatialPointsDataFrame", "RFspatialGridDataFrame",
function(from, to) RFspatialGridDataFrame(grid=sp::points2grid(from),
data=from@data,
RFparams=from@.RFparams))
setAs("RFpointsDataFrame", "RFgridDataFrame",
function(from, to) {
tmp.coord <- sp::SpatialPoints(cbind(from@coords, 1:length(from@coords)))
tmp.grid <- sp::points2grid(tmp.coord)
grid <- convert2GridTopology(tmp.grid[,1, drop=FALSE])
RFgridDataFrame(data=from@data, grid=grid, RFparams=from@.RFparams)
})
grid2pts1D <- function(from) {
coords <- GridTopology2gridVectors(from@grid)[[1]]
RFpointsDataFrame(data=from@data, coords=coords,
RFparams=from@.RFparams)
}
setAs("RFgridDataFrame", "RFpointsDataFrame",
function(from, to) grid2pts1D(from))
## methods 'as.matrix' and 'cbind' as in the 'sp' package
as.matrix.RFgridDataFrame <-
as.matrix.RFspatialGridDataFrame <- function(x, ...) {
z <- as.array.RFgridDataFrame(x, ...)
if (length(dim(z)) > 2)
stop("the data set cannot be turned into a matrix. Try 'as.array'")
z
}
as.array.RFgridDataFrame <-
as.array.RFspatialGridDataFrame <- function(x, ...) {
z <- as.matrix(x@data)
dim <- c(x@grid@cells.dim, x@.RFparams$vdim, x@.RFparams$n)
dim <- dim[dim > 1]
if (length(dim) == 1) return(as.vector(z))
dim(z) <- dim
if ((l <- length(x@grid@cells.dim)) > 1) {
idx <- as.list(rep(TRUE, length(dim)))
idx[[2]] <- (dim[2]) : 1
#Print(idx, c(list(z), drop=FALSE, idx))
do.call("[", c(list(z), drop=FALSE, idx))
} else z
}
as.vector.RFgridDataFrame <-
as.vector.RFspatialGridDataFrame <- function(x, ...) {
as.vector(as.array.RFgridDataFrame(x))
}
as.matrix.RFpointsDataFrame <-
as.matrix.RFspatialPointsDataFrame <- function(x, ...) {
z <- as.array.RFspatialPointsDataFrame(x, ...)
if (length(dim(z)) > 2)
stop("the data set cannot be turned into a matrix. Try 'as.array'")
z
}
as.array.RFpointsDataFrame <-
as.array.RFspatialPointsDataFrame <- function(x, ...) {
z <- as.matrix(x@data)
dim <- c(x@.RFparams$vdim, x@.RFparams$n)
if (length(x@.RFparams$T) == 3) dim <- c(x@.RFparams$T[3], dim)
dim <- c(length(z) / prod(dim), dim)
dim <- dim[dim > 1]
if (length(dim) == 1) return(as.vector(z))
dim(z) <- dim
z
}
as.vector.RFpointsDataFrame <-
as.vector.RFspatialPointsDataFrame <- function(x, ...) {
as.vector(as.array.RFspatialPointsDataFrame(x))
}
#setAs("RFgridDataFrame", "matrix", gridtomatrix)
#setAs("RFspatialGridDataFrame", "matrix", gridtomatrix)
cbind.RFspatialGridDataFrame <- function(...)
cbind_RFsp(...)
cbind.RFgridDataFrame <- function(...)
cbind_RFsp(...)
cbind.RFspatialPointsDataFrame <- function(...)
cbind_RFspPoints(...)
cbind.RFpointsDataFrame <- function(...)
cbind_RFspPoints(...)
range.RFspatialGridDataFrame <- function(..., na.rm = FALSE, finite = FALSE)
base::range(as.vector(...), na.rm = na.rm, finite = finite)
range.RFgridDataFrame <- function(..., na.rm = FALSE, finite = FALSE)
base::range(as.vector(...), na.rm = na.rm, finite = finite)
range.RFspatialPointsDataFrame <- function(..., na.rm = FALSE, finite = FALSE)
base::range(as.vector(...), na.rm = na.rm, finite = finite)
range.RFpointsDataFrame <- function(..., na.rm = FALSE, finite = FALSE)
base::range(as.vector(...), na.rm = na.rm, finite = finite)
hist.RFspatialGridDataFrame <- function(x, ...)
graphics::hist(as.vector(x), ...)
hist.RFgridDataFrame <- function(x, ...)
graphics::hist(as.vector(x), ...)
hist.RFspatialPointsDataFrame <- function(x, ...)
graphics::hist(as.vector(x), ...)
hist.RFpointsDataFrame <- function(x, ...)
graphics::hist(as.vector(x), ...)
rfspDataFrame2dataArray_generic <- function(obj) {
has.variance <- !is.null(obj@.RFparams$has.variance) && obj@.RFparams$has.variance
arr <- unlist(obj@data)
names(arr) <- NULL
grid.length.v <- obj@grid@cells.dim
dim(arr) <- c(grid.length.v, # spatial and time dim
obj@.RFparams$vdim, # vdim
obj@.RFparams$n + has.variance) # repetitions
timespacedim <- length(grid.length.v)
if (timespacedim > 1)
arr <- reflection(arr, 2, drop=FALSE)
## re-ordering of 2nd space dimension since in sp objects, the 2nd dimension
## is in decreasing order
return(arr)
}
setGeneric(name = "RFspDataFrame2dataArray",
def = function(obj) standardGeneric("RFspDataFrame2dataArray"))
setMethod("RFspDataFrame2dataArray", signature=c("RFspatialGridDataFrame"),
definition=rfspDataFrame2dataArray_generic)
## used in plot method
setMethod("RFspDataFrame2dataArray", signature=c("RFgridDataFrame"),
definition=rfspDataFrame2dataArray_generic)
## convert GridTopology or 3-row matrix to list of vectors
setGeneric(name = "GridTopology2gridVectors",
def = function(grid) standardGeneric("GridTopology2gridVectors"))
setMethod("GridTopology2gridVectors",
signature=c("GridTopology"),
function(grid) {
len <- length(grid@cells.dim)
x <- list()
for (i in 1:len)
x[[i]] <- seq(from = grid@cellcentre.offset[i],
to = grid@cellcentre.offset[i] +
((grid@cells.dim[i]-1) * grid@cellsize[i]),
length = grid@cells.dim[i])
return(x)
})
setMethod("GridTopology2gridVectors",
signature=c("matrix"),
function(grid) {
stopifnot(nrow(grid)==3)
x <- list()
for (i in 1:ncol(grid))
x[[i]] <- seq(from = grid[1,i],
to = grid[1,i] + (grid[3,i]-1) * grid[2,i],
length= grid[3,i])
return(x)
})
## convert GridTopology to 3-row matrix
as.matrix.GridTopology <- function(x, ...)
return(rbind(x@cellcentre.offset, x@cellsize, x@cells.dim))
## extract or calculate! coordinates;
setMethod(f = "coordinates", signature="RFpointsDataFrame",
definition=function(obj) return(obj@coords) )
setMethod(f = "coordinates", signature="RFgridDataFrame",
definition=function(obj) coordinates(as(obj, "RFpointsDataFrame")) )
extract.kriging.variance <- function(obj){
stopifnot(is(obj, "RFsp"))
has.variance <-
!is.null(obj@.RFparams$has.variance) && obj@.RFparams$has.variance
if (!has.variance) return(NULL)
return(obj[(obj@.RFparams$n*obj@.RFparams$vdim + 1):(ncol(obj@data))])
}
setGeneric(name = "variance",
def = function(obj) standardGeneric("variance"))
setMethod(f = "variance", signature="RFspatialGridDataFrame",
definition = extract.kriging.variance)
setMethod(f = "variance", signature="RFspatialPointsDataFrame",
definition = extract.kriging.variance)
setMethod(f = "variance", signature="RFgridDataFrame",
definition = extract.kriging.variance)
setMethod(f = "variance", signature="RFpointsDataFrame",
definition = extract.kriging.variance)
## conventional 'RFsimulate' output to 'RFsp' class
summary.RFpointsDataFrame <- function(object, digits = 6, ...) {
df = data.frame(coordinates=signif(coordinates(object), digits), object@data)
row.names(df) = row.names(object@data)
class(df) <- "summary.RFpointsDataFrame"
df
}
print.summary.RFpointsDataFrame <- function(x, ...) {
if (is.data.frame(x)) print.data.frame(x, ...)
else str(x, give.attr=FALSE, give.head=FALSE, no.list=TRUE, ...) #
}
print.RFpointsDataFrame <- function(x, ...) {
sx <- summary.RFpointsDataFrame(x, ...)
cat("Object of class RFpointsDataFrame\n")
print.summary.RFpointsDataFrame(sx) #
invisible(sx)
}
setMethod(f="show", signature="RFpointsDataFrame",
definition=function(object) print.RFpointsDataFrame(object))
summary.RFgridDataFrame <- function(object, ...) {
if (ncol(object@data) > 1) summary(object@data) else summary(object@data[[1]])
}
print.RFgridDataFrame <- function(x, ...) {
cat("Object of class RFgridDataFrame\n")
cat("Grid topology:\n")
print.data.frame(data.frame(cellcentre.offset=x@grid@cellcentre.offset, #
cellsize=x@grid@cellsize,
cells.dim=x@grid@cells.dim, row.names=""))
cat("Points:\n")
print.data.frame(data.frame(coordinates=coordinates(x), x@data)) #
cat("Data summary:\n")
summary.RFgridDataFrame(x, ...)
invisible(x)
}
setMethod(f="show", signature="RFgridDataFrame",
definition=function(object) print.RFgridDataFrame(object))
summary.RFspatialPointsDataFrame <- function(object, ...) summary(object@data)
print.RFspatialPointsDataFrame <- function(x, ...){
if (!hasArg("silent") || !list(...)$silent) {
cat("Object of class 'RFspatialPointsDataFrame'\n")
str(x@data, no.list=TRUE, give.attr=FALSE)#
}
invisible(x@data)
}
setMethod(f="show", signature="RFspatialPointsDataFrame",
definition=function(object) print.RFspatialPointsDataFrame(object))
summary.RFspatialGridDataFrame <- function(object, ...) summary(object@data)
print.RFspatialGridDataFrame <- function(x,...) {
if (!hasArg("silent") || !list(...)$silent) {
cat("Object of class 'RFspatialGridDataFrame'\n")
utils::str(x@data, no.list=TRUE, give.attr=FALSE)#
}
invisible(x@data)
}
setMethod(f="show", signature="RFspatialGridDataFrame",
definition=function(object) print.RFspatialGridDataFrame(object))
isGridded <- function(obj)
return(is(obj, "RFgridDataFrame") || is(obj, "RFspatialGridDataFrame"))
##if (!isGeneric("isGridded"))
#setGeneric(name = "isGridded",
# def = function(obj) standardGeneric("isGridded") )
#
##setMethod(f="isGridded", signature="RFsp",
## definition=function(obj)
## (is(obj, "RFgridDataFrame") || is(obj, "RFspatialGridDataFrame")))
#setMethod(f="isGridded", "RFgridDataFrame", function(obj) TRUE)
#setMethod(f="isGridded", "RFpointsDataFrame", function(obj) FALSE)
#setMethod(f="isGridded", "RFspatialGridDataFrame", function(obj) TRUE)
#setMethod(f="isGridded", "RFspatialPointsDataFrame", function(obj) FALSE)
## extend methods for 'Spatial' to class 'RFsp'
setMethod(f="dimensions", signature="RFspatialGridDataFrame",
function(obj) (getMethod("dimensions", "Spatial")@.Data)(obj) )
setMethod(f="dimensions", signature="RFspatialPointsDataFrame",
function(obj) (getMethod("dimensions", "Spatial")@.Data)(obj) )
setMethod(f="dimensions", signature="RFgridDataFrame",
definition=function(obj) return(1))
setMethod(f="dimensions", signature="RFpointsDataFrame",
definition=function(obj) return(1))
setMethod("[", signature=c("RFgridDataFrame"), def=brack)
setMethod("[", signature=c("RFpointsDataFrame"), def=brack)
setMethod("[", signature=c("RFspatialGridDataFrame"), def=brack)
setMethod("[", signature=c("RFspatialPointsDataFrame"), def=brack)
setMethod("[<-", signature=c("RFgridDataFrame", "ANY", "ANY"),
def=brackpfeil)
setMethod("[<-", signature=c("RFpointsDataFrame", "ANY", "ANY"),
def=brackpfeil)
setMethod("[<-", signature=c("RFspatialGridDataFrame", "ANY", "ANY"),
def=brackpfeil)
setMethod("[<-", signature=c("RFspatialPointsDataFrame", "ANY", "ANY"),
def=brackpfeil)
#setMethod("[<-", signature=c("RFgridDataFrame"), brackpfeil)
#setMethod("[<-", signature=c("RFpointsDataFrame"), brackpfeil)
#setMethod("[<-", signature=c("RFspatialGridDataFrame"), brackpfeil)
#setMethod("[<-", signature=c("RFspatialPointsDataFrame"), brackpfeil)
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