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7 - Cluster ordered dither
8 - Monochrome cluster dither
9 - User-defined dither
10 - Monochrome user-defined
11 - Ordered dither
12 - Monochrome ordered dither
13 - Noise ordered dither
14 - Monochrome noise ordered dither
Default = 3
Range = 0 to 14 (invalid values are ignored;
values 1 and 2 are ignored for device independent
color)
Snapping to Primaries
This algorithm converts each component of a color
specification to its corresponding primary color. For
example, assuming 8 bits per primary, an RGB input value
greater than 128 snaps to 255; a value less than or equal to
128 snaps to 0.
Snapping Black to White
Choosing this option converts black to white and all other
colors to black. Input primary colors equal to a black
specification are converted to a white specification, and
other color specifications for the input primaries are
converted to the black specification.
Device Best Dither
This dither pattern produces the best results for many
images. Note, however, that the recommended dither
pattern varies with the image, the intended use of the
image, and the subjective judgements of the user.
Error Diffusion
The input primaries of a given pixel (x,y) are printed at the
closest density available and the local error is propagated to
Modifying Output Color 4-3Modifying Output Color 4-3