Apple Shake 4 - Manual (Page 409)

Chapter 15 Image Processing Basics 409
Note: These examples of 1-bit, 2-bit, and 3-bit images are not supported by Shake, but
are used for demonstration purposes. In Shake, you ordinarily work with 8-bit, 16-bit, or
32-bit float (floating point) images.
At 1-bit resolution, the graph shows the harsh difference between black and white.
At 2-bit resolution, the graph is still harsh, but there are more colors between.
1 bit, 2 values total Graph of 1-bit image
2 bits, 4 values total Graph of 2-bit image
3 bits, 8 values total Graph of 3-bit image