[R] How can I map numbers to colours with raster?

[Pascal Oettli]

Hello,

Did you check the arguments fo the function "plot", from the "raster" 
package? For example, the "col" argument.

Regards,
Pascal


Le 29/10/2012 18:13, Jonsson a écrit :
> This code will read binary file and display it as a map. may problem is that
> this code is using a continuous colour scheme, even though I have discrete
> data (which  is a classification scheme). How can I map numbers to colours
> with raster? Please
>
> require(raster)
> conne <- file("C:\\lai.bin", "rb")
> sd<- readBin(conne, integer(), size=1,  n=360*720, signed=F)
>   y<-t(matrix((data=sd), ncol=360, nrow=720))
>   r = raster(y)
> extent(r) = extent(c(xmn=-180,xmx=180,ymn=-90,ymx=90))
> plot(r)
>
>
>
>
>
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