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250 Spire CX250 Color Server User Guide
Anti-Aliasing
A step effect in which angled lines or curved edges of elements in an
electronic image look broken or jagged, as a result of producing it in
a grid format. Increasing resolution can reduce this effect or using a
technique called anti-aliasing where the edges are softened.
APR
Creo's Automatic Picture Replacement workflow. In this workflow,
two versions of a file are created - a high-resolution file and a low-
resolution file called PSImage. The latter is used for positioning and
manipulation within a DTP application. The low-resolution file is
replaced automatically by the high-resolution version during the RIP
process. See also PSImage.
Binding
The process by which pages of a book or other publication are
attached to one another.
Bit
Abbreviation of binary digits. The smallest unit of information used
to store information in a computer. Bits are expressed as a binary
notation, that is, in ones and zeros.
Bitmap graphics
An image composed of individual pixels. The color value and position
of each pixel are individually described in bits and bytes of computer
memory. It is called a bitmap because it is effectively a map of bits. See
also Raster file.
Bleed
An extra amount of printed image, which extends beyond the trim
edge of the sheet or page.
Booklet
VI jobs are composed of booklets, which are personalized copies of a
document. A booklet can consist of several pages, but the entire
document is targeted at a specific individual or address. VI jobs
include elements that may differ from booklet to booklet, including
text, graphics, pictures and page backgrounds.
Butt
To join without overlapping or space between.
Byte
A grouping of 8 bits of stored information, giving 256 levels of data.
Each byte represents a value or character such as a letter or a number.
In a color system, a byte can describe one out of 256 distinct shades.
CIE
Abbreviation for Commission Internationale d'Eclairage. This body
was created for the study of illumination problems. CIE color
coordinates specify proportions of the three additive colors required
to produce any hue and are used for comparative color measurement.