raster


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Related to raster: Raster scan

raster

a pattern of horizontal scanning lines traced by an electron beam, esp on a television screen

raster

[′ras·tər]
(electronics)
A predetermined pattern of scanning lines that provides substantially uniform coverage of an area; in television the raster is seen as closely spaced parallel lines, most evident when there is no picture.

raster

(hardware)
The area of a video display that is covered by sweeping the electron beam of the display in a series of horizontal lines from top to bottom. The beam then returns to the top during the vertical flyback interval.

See also CRT, frame buffer.

raster

The horizontal lines (scan lines) displayed on a TV or computer monitor. This is the origin of the term "raster graphics," which is the major category that all bitmapped images and video frames fall into (GIF, JPEG, MPEG, etc.). See raster scan, raster display, analog video and bitmapped graphics.
References in periodicals archive ?
Because it is browser-based, Raster Blaster Pro is accessible by any authorized user in the printing plant.
The team at Blue Raster is very excited to work with the DC Office of Zoning to deliver the new interactive mapping application," said Stephan Ansari, principal, Blue Raster.
The acquisition of Raster will allow us to expand our product line and offer a variety of price-point products, significantly increasing our addressable market," said Fred Rosenzweig, president of EFI.
National mapping program technical instructions, part 1, general standarclsfor digital raster graphics.
Vector and raster are two common ways for displaying and storing data and are known as data formats.
And raster is now so tightly integrated into MicroStation and the V8 Generation foundation that MicroStation Descartes is a compelling choice for MicroStation users.
Raster Printers introduced the Daytona H700UV 72-inch hybrid flatbed printer with photographic image quality and white ink at the recent SGIA 2007 conference in Orlando adding to their impressive T600 vacuum table printer, which offers outstanding print quality with grayscale MEMS print heads from Dimatix.
Spatial Express helps organizations maximize their investment in Oracle Spatial 10g by enabling dramatic reductions of up to 95 percent for raster image storage.
More than a simple conduit supplying raster data to the CTP unit, Raster Blaster 4.
Paper drawings that will never have to be converted to CAD drawings can be scanned as raster images at 200 dpi.
com)-- Golden Software, LLC, the leading developer of affordable scientific graphics software, announces the release of its newest product, Raster Tools, a powerful Esri[R] ArcMap add-in that creates accurate and precise raster datasets.
The EarthWhere integration will enable USSOCOM users to quickly and easily locate and display the Compressed Arc Digitized Raster Graphic (CADRG), Controlled Image Base (CIB) and Raster Product Formats (RPF) datasets within C2PC and FalconView applications to support situational awareness and the common operational picture.