Nothing
#
rimage <- function(x = seq(0, 1, length.out = nrow(z)),
y = seq(0, 1, length.out = ncol(z)),
z, ...){
impars <- get(".rimage",envir=.adimproOpts)
args <- list(...)
nargs <- length(args)
if (missing(z)) {
if (!missing(x)) {
if (is.list(x)) {
z <- x$z
y <- x$y
x <- x$x
}
else {
if (is.null(dim(x)))
stop("argument must be matrix-like")
z <- x
x <- 1:nrow(z)
y <- 1:ncol(z)
}
}
}
zlim <- quantile(z, impars[["zquantiles"]], na.rm=TRUE)
low <- impars[["low"]]
up <- impars[["up"]]
NAcolor <- impars[["NAcolor"]]
col <- impars[["col"]]
asp <- impars[["asp"]]
xlab <- impars[["xlab"]]
ylab <- impars[["ylab"]]
xaxt <- impars[["xaxt"]]
yaxt <- impars[["yaxt"]]
bty <- impars[["bty"]]
swapx <- impars[["swapx"]]
swapy <- impars[["swapy"]]
if(length(args)>0){
nargs <- names(args)
if("zquantiles" %in% nargs){
zlim <- quantile(z, args[["zquantiles"]], na.rm=TRUE)
args[["zquantiles"]] <- NULL
}
if("zlim" %in% nargs){
zlim <- args[["zlim"]]
args[["zlim"]] <- NULL
}
if("up" %in% nargs){
up <- args[["up"]]
args[["up"]] <- NULL
}
if("low" %in% nargs){
low <- args[["low"]]
args[["low"]] <- NULL
}
if("NAcolor" %in% nargs){
NAcolor <- args[["NAcolor"]]
args[["NAcolor"]] <- NULL
}
if("col" %in% nargs){
col <- args[["col"]]
args[["col"]] <- NULL
}
if("asp" %in% nargs){
asp <- args[["asp"]]
args[["asp"]] <- NULL
}
if("xlab" %in% nargs){
xlab <- args[["xlab"]]
args[["xlab"]] <- NULL
}
if("ylab" %in% nargs){
ylab <- args[["ylab"]]
args[["ylab"]] <- NULL
}
if("xaxt" %in% nargs){
xaxt <- args[["xaxt"]]
args[["xaxt"]] <- NULL
}
if("yaxt" %in% nargs) {
yaxt <- args[["yaxt"]]
args[["yaxt"]] <- NULL
}
if("bty" %in% nargs) {
yaxt <- args[["bty"]]
args[["bty"]] <- NULL
}
}
eps <- diff(zlim)/length(col)
if(zlim[1] > min(z,na.rm=TRUE)){
zlim[1] <- zlim[1]-eps
z[z<zlim[1]] <- zlim[1]
col <- c(low,col)
}
if(zlim[2] < max(z,na.rm=TRUE)){
zlim[2] <- zlim[2]+eps
z[z>zlim[2]] <- zlim[2]
col <- c(col,up)
}
if(swapx) {
z <- z[length(x):1,]
}
if(swapy) {
z <- z[,length(y):1]
}
args <- c(list(x=x, y=y, z=z, zlim=zlim, col=col, asp=asp,
xlab=xlab, ylab=ylab, xaxt=xaxt, yaxt=yaxt, bty=bty),args)
do.call(image,args)
if(any(is.na(z))) image(x,y,is.na(z),col=c(NA,NAcolor),add=TRUE)
invisible(NULL)
}
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