The raw values that the 8-bit codes 0 and 255 should stand for to show classes (an image stretched linearly from the first to the second): integer values that span at most 255 one code each, else the classes' whole range.
classes
The raw values that the 8-bit codes 0 and 255 should stand for to show
classes(an image stretched linearly from the first to the second): integer values that span at most 255 one code each, else the classes' whole range.