colortable | R Documentation |
Get or set the colortable of a RasterLayer. A colortable is a vector of 256 colors in the RGB triple format as returned by the rgb
function (e.g. "#C4CDDA").
When setting the colortable, it is assumed that the values are integers in the range [0,255]
colortable(x) colortable(x) <- value
x |
RasterLayer object |
value |
vector of 256 character values |
plotRGB
r <- raster(ncol=10, nrow=10) values(r) <- sample(0:255, ncell(r), replace=TRUE) ctab <- sample(rainbow(256)) colortable(r) <- ctab plot(r) head(colortable(r))
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