This code is not reproducible, hence hard to know if there is a problem
with R, a contributed package, or what you wrote or did.
Best,
Uwe Ligges
On 28.12.2011 18:07, Ana wrote:
Hi guys,
Thansk for the help with the transparency.
I've made some modifications to my code , added rgb in colour t
Some output devices don't support transparency. Try a different output device.
---
Jeff NewmillerThe . . Go Live...
DCN:Basics: ##.#. ##.#. Live Go...
Hi guys,
Thansk for the help with the transparency.
I've made some modifications to my code , added rgb in colour to play
with the transparency and included also a north arrow. I was trying to
make the code look better, however i am facing another problem, once I
use symbols with a bg colour. Some
# use the alpha argument of rgb or hsv to create transparent colours
require(sp)
xc <- round(runif(20), 2)
yc <- round(runif(20), 2)
xy <- cbind(xc, yc)
xy.sp <- SpatialPoints(xy)
col1 <- hsv(h = (1:10)/80, v = 0.9, alpha = 0.3)
col2 <- hsv(h = 0.25+(1:10)/50, v = 0.8, alpha = 0.4)
plot(xy.sp[1:
On Dec 28, 2011, at 7:13 AM, Ana wrote:
How can I make one point graphics with transparency
These are all sp classes:
plot(polygons_area,axes=TRUE,asp=1.5,main="Title",xlab="Latitude",
ylab="Longitude")
points(observations2000,type = "p",pch=21,col="green")
points(observation1999,type = "p",p
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