Hello list,
Is there a way to add contour lines to a levelplot at different
breakpoints than are used for the colors? For example:
library(lattice)
# colors good but too many contours
levelplot(volcano, at=94:195, contour=TRUE)
# I thought something like this might work
levelplot(volcano,
panel=function(...) {
panel.levelplot(..., at=94:195)
panel.contourplot(..., at=c(100, 125, 150))
})
Thanks,
Richard
--
UMass Amherst
Natural Resources Conservation
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