On Mar 31, 2013, at 6:15 AM, Jonsson wrote: > I have a raster file(1440*720 rows) contains values of 1 ,2 , and 3. when I > plot the file , I got a map of three colors but I do not know which is > which. How can I put those colors as as I want : > > 1=red > 2=blue > 3=green > code: > > pvm <- file("C:\\User_sm-das.bin","rb") > cor1<- readBin(pvm, numeric(), size=4, n=1440*720, signed=TRUE) > r <-raster(t(matrix((data=cor1), ncol=720, nrow=1440)))
Wouldn't this just be: image(r, col=c("red", "blue", "green")[r]) > image(r) > Nabble falsehoods deleted. -- David Winsemius Alameda, CA, USA ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.