Dither to binary image — nr_dither • nara

Dither to binary image

nr_dither(nr, value = 0.5, algo = "fs")

Arguments

nr: native raster image
value: Threshold value. Default: 0.5 (valid range [0, 1])
algo: Dithering algorithm. 'fs' (floyd-steinberg) or 'atkinson'. Default: 'fs'

Value

Invisibly return the supplied native raster image which was been modified in-place

See also

Other color manipulation functions: nr_color_replace(), nr_desaturate(), nr_threshold()

Examples

nr <- nr_copy(deer[[1]])
plot(nr)

nr_dither(nr, 0.99)

plot(nr)