plotspin <- function(x,ramp=TRUE,...){
#plot x <- abs(x$Sp)/max(abs(x$Sp))
min <- min(x)
max <- max(x)
# lim <- c(1,max(dim(x)))
# print(lim)
yLabels <- rownames(x)
xLabels <- colnames(x)
title <-c()
# check for additional function arguments
if( length(list(...)) ){
Lst <- list(...)
if( !is.null(Lst$zlim) ){
min <- Lst$zlim[1]
max <- Lst$zlim[2]
}
if( !is.null(Lst$yLabels) ){
yLabels <- c(Lst$yLabels)
}
if( !is.null(Lst$xLabels) ){
xLabels <- c(Lst$xLabels)
}
if( !is.null(Lst$title) ){
title <- Lst$title
}
}
# check for null values
if( is.null(xLabels) ){
xLabels <- c(1:ncol(x))
}
if( is.null(yLabels) ){
yLabels <- c(1:nrow(x))
}
if (ramp)
{
layout(matrix(data=c(1,2), nrow=1, ncol=2), widths=c(4,1), heights=c(1,1))
}
# Red and green range from 0 to 1 while Blue ranges from 1 to 0
ColorRamp <- gray(seq(1,0,length=256)) # Red
# seq(0,0,length=256), # Green
# seq(1,0,length=256)) # Blue
ColorLevels <- seq(min, max, length=length(ColorRamp))
# Reverse Y axis
reverse <- nrow(x) : 1
yLabels <- yLabels[reverse]
x <- x[reverse,]
# Data Map
par(mar = c(3,5,2.5,2))
image(1:length(xLabels), 1:length(yLabels), t(x), col=ColorRamp, xlab="",
ylab="", axes=FALSE, zlim=c(min,max))
if( !is.null(title) ){
title(main=title)
}
axis(BELOW<-1, at=1:length(xLabels), labels=xLabels, cex.axis=0.7)
axis(LEFT <-2, at=1:length(yLabels), labels=yLabels, las= HORIZONTAL<-1,
cex.axis=0.7)
# Color Scale
par(mar = c(3,2.5,2.5,2))
if (ramp)
{
image(1, ColorLevels, matrix(data=ColorLevels, ncol=length(ColorLevels),nrow=1), col=ColorRamp,useRaster=T, xlab="",ylab="", xaxt="n")
# layout(1)
}
#
}
# ----- END plot function ----- #
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