Thanks David,
Instead of using terrain.colors or heat.colors, I went with:
library(colorRamps)
cv <- matrix(as.integer(cut(vals2, breaks=100)), dim(vals2))
pal <- blue2green2red(100) #a function from colorRamps
Do you happen to have any clever ideas for a legend? I could play around
with a series of polygons to the side of the plot (...xpd=TRUE), but don't
have any better ideas.
Eric
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