Convert native raster images to/from other R objects

Source: R/conversion.R

Convert native raster images to/from other R objects

nr_to_raster(nr)

raster_to_nr(ras, dst = NULL)

nr_to_array(nr)

array_to_nr(arr, dst = NULL)

Arguments

nr

native raster image

ras

standard R raster i.e. a character matrix of hex color values

dst

destination native raster image. If NULL (the default) a new

arr

3d numeric array representing R,G,B,A values with dimensions [nrow, ncol, 4] or [nrow, ncol, 3]. Each value is in range [0,1].

Value

raster, array or native raster image

See also

Other conversion functions: magick_to_nr(), matrix_to_nr(), nrs_to_gif(), nrs_to_mp4()

Examples

nr <- nr_new(12, 8, 'hotpink')
nr_to_raster(nr)
#>      [,1]        [,2]        [,3]        [,4]        [,5]        [,6]       
#> [1,] "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF"
#> [2,] "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF"
#> [3,] "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF"
#> [4,] "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF"
#> [5,] "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF"
#> [6,] "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF"
#> [7,] "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF"
#> [8,] "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF"
#>      [,7]        [,8]        [,9]        [,10]       [,11]       [,12]      
#> [1,] "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF"
#> [2,] "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF"
#> [3,] "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF"
#> [4,] "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF"
#> [5,] "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF"
#> [6,] "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF"
#> [7,] "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF"
#> [8,] "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF" "#FF69B4FF"