Я пытаюсь построить график карты из растровых данных. Я использую этот код:
library(raster)
library(rgdal)
library(classInt)
library(RColorBrewer)
NDII = raster("G:\\Sheyenne\\image_differencing\\NDII\\differenced.tif")
value.vector = values(NDII)
breaks.qt = classIntervals(value.vector, n = 6, style = "jenks", intervalClosure = "right")
print (plot(NDII, breaks=breaks.qt$brks, col = brewer.pal(6, "Set1")))
но это возвращает:
Error in print(plot(NDII, breaks = breaks.qt$brks, col = brewer.pal(6, :
error in evaluating the argument 'x' in selecting a method for function 'print': Error in .asRaster(x, col, breaks, zrange, colNA, alpha = alpha) :
could not find function "brewer.pal"