I used classInt, classIntervals() to create a classified map of different
levels. How can I use the same "classIntervals" levels to make a contour or
filled contour map? and possibly be able to overlay on top of the previous
plot:

library(RColorBrewer) # creates nice color schemes
library(classInt)     # finds class intervals for continuous variables
plotvar <- k$Z
nclr <- 4
plotclr <- brewer.pal(nclr,"BuPu")
class <- classIntervals(plotvar, nclr, style="quantile")
colcode <- findColours(class, plotclr)
plot(k)
plot(k, col=colcode, add=T)


-- 
Ebrahim Jahanshiri
Spatial and Numerical Modeling Lab
UPM

	[[alternative HTML version deleted]]

