A standalone example is always appreciated (cf. the posting guide) but
try and see if help("gray.colors", package="grDevices") is the sort of
thing you are looking for.
Hope this helps
Allan
On 06/07/10 23:30, Marlin Keith Cox wrote:
I need grayscale formatting for a wireframe.
The only col.regions that I can find are color palettes are all colored:
rainbow(n, s = 1, v = 1, start = 0, end = max(1,n - 1)/n,
gamma = 1, alpha = 1)
heat.colors(n, alpha = 1)
terrain.colors(n, alpha = 1)
topo.colors(n, alpha = 1)
cm.colors(n, alpha = 1)
The code follows:
X11()
library(lattice)
par(family="serif", cex=1.2)
wireframe(z ~ y*x, mat.df,
drape = TRUE,col.regions=rainbow(100),
zlab = list("Water mass error (%)",rot=90), zlim=c(-50,180),
xlab = list("Resistance error (%)",rot=-9),
ylab = list("Length error (%)",rot=38),
scales = list(arrows = FALSE),
screen = list(z = -35, x = -77, y = 10))
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