Rajarshi Guha <[EMAIL PROTECTED]> writes:
> Hi, I have some data which I was plotting using image(). I wanted to
> add a vertical color key to the plot and I found that heatmap.2 in
> gplots does let me add a color key. However, I was thinking of a
> vertical bar with the color range rather than the style that gplots
> provides.
In package 'spatstat' this is the default behaviour for plotting a pixel
image (object of class "im").
If M is your matrix of data
library(spatstat)
Z <- as.im(t(M))
plot(Z)
plot(Z, col=topo.colors(128))
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