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page description language
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(PDL) The format used to describe the position of elements
within a page elements as well as the page's relative position
within a document. The output device then translates the format
into a reproduction of the original image. Other Term: page
descriptor. See also: imagesetter; PostScript; raster image
processors; vectors.
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page descriptor
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See page description language.
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Page makeup
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1. Using a computer application to create a single or multi-page
document, including the positioning of type, line art, photographs,
etc. The document is then output to an imaging device. 2.
Manually pasting the elements of a single or multi-page document
to a board. Referred to as camera ready, this paste-up board
is then photographed to create film negatives or positives.
See also: pagination.
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pagination
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1. The page makeup process for a multiple page document.
2. The process of numbering or creating individual pages.
See also: page makeup.
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paste-up
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Manually pasting the type, photographs, line art, and other
elements of an image to a board. Referred to as camera ready,
this paste-up board is then photographed to create film negatives
or positives. Alternative terms: mechanical; photomechanical.
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photomechanical
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See paste-up.
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phototypesetter
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A device that outputs exposed photosensitive film or other
materials. The phototypsetter uses electronic signals from
a typsetting computer to expose the photosensitive material.
Also a reference to the person operating the device. See also:
typesetter.
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platemaking
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Creating a printing plate that is completely prepared for
use on the press. The process starts with a blank plate, which
is then exposed to the image film, developed, and sensitized
(if needed).
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point size
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The height of a typeface. A point equals 0.0138 inches. Other
Term: type size. See unit set.
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PostScript
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A tradename of Adobe Systems, Inc. for its page description
language. This language translates a digital image file from
a word processing application, for example, into a language
a compatible printer or other device can use to create its
output. See also: imagesetter; page description language;
raster; raster image processor; vectors.
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process colors
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The three subtractive primary colors (cyan, magenta, and
yellow) plus black. a.k.a., CMYK
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pull sheets
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Random sheets removed from the stack of output and used for
quality control.
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pulp
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The fibrous cellulose produced by mechanical or chemical
means that is used for making paper.
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