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2007 Feb 09
3
two perspective plots in in plot
Dear all,
I would like to put two perspective plots into one plot. The help page
for ?persp shows how one can add points and lines but not another
perspective plot.
data(volcano)
z <- 2 * volcano # Exaggerate the relief
x <- 10 * (1:nrow(z)) # 10 meter spacing (S to N)
y <- 10 * (1:ncol(z)) # 10 meter spacing (E to W)
## Don't draw the grid lines : border = NA
persp(x,