dither

dither(indata; n_colors=256, save=““, gdataset=false)

Convert a 24bit RGB image to 8bit paletted. - Use the save=fname option to save the result to disk in a GeoTiff file fname. If fname has no extension a .tif one will be appended. Alternatively give file names with extension .png or .nc to save the file in one of those formats. - gdataset=true: to return a GDAL dataset. The default is to return a GMTimage object. - n_colors: Select the number of colors in the generated color table. Defaults to 256.