Hi Jim,
And thanks for helping. My (hopefully) last question concerns the use of
a non-gray color scale.
How do I use e.g. a rainbow colorscale? This issue has already been raised
http://tinyurl.com/ylhcbra
and over there it is dealt with by hand. I just wonder whether anything
similar is doable in the case of my matrix. In the following code
snippet I simply try to normalize (i.e. every entry is mapped into
[0,1]) my matrix and to use that as an argument to cellcolors, but the
result is clearly not what I am trying to achieve.
rm(list=ls())
library(Cairo)
library(plotrix)
library(rimage)
set.seed(1234)
trivial_matrix<-matrix(rnorm(25),nrow=5)
CairoPDF("matrix2D.pdf")
oldpar<-par( mar = c(4.5,5, 2, 1) + 0.1,
cex.axis=1.4,cex.lab=1.6,cex.main=1.6)
color2D.matplot(trivial_matrix,main="A trivial Plot",
xlab = expression(paste(k)) ,
ylab=expression(paste(R[g])),show.legend=TRUE,
show.values=3,vcol="blue",vcex=1,
axes=FALSE,cellcolors=normalize(trivial_matrix))
axis(1,at=c(0.5,1.5,2.5,3.5,4.5),labels=letters[1:5])
axis(2,at=rev(c(0.5,1.5,2.5,3.5,4.5)),labels=letters[1:5])
box()
par(oldpar)
dev.off()
Understanding this would probably get me going also with the use of a
log scale for colors, as discussed in
http://tinyurl.com/ye5d8z8
Any suggestion is welcome.
Cheers
Lorenzo
Hi Lorenzo,
First, here is how to solve some of your problems: [...]
For question 2, the answer is no right now, but I have added this
feature for the next version (thanks)
and moving right along to question 4, no, you will have to call
color.legend directly, so you can specify the decimal places in that
call.
Jim
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