Raster may refer to:
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Raster graphics
upright=1, The Smiley, smiley face in the top left corner is a raster image. When enlarged, individual pixels appear as squares. Enlarging further, each pixel can be analyzed, with their colors constructed through combination of the values for ...
, graphical techniques using arrays of pixel values
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Raster graphics editor
A raster graphics editor is a computer program that allows users to create and edit images interactively on the computer screen and save them in one of many raster graphics file formats (also known as bitmap images) such as JPEG, PNG, and GIF.
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, a computer program
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Raster scan
A raster scan, or raster scanning, is the rectangular pattern of image capture and reconstruction in television. By analogy, the term is used for raster graphics, the pattern of image storage and transmission used in most computer bitmap image s ...
, the pattern of image readout, transmission, storage, and reconstruction in television and computer images
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Rasterisation
In computer graphics, rasterisation (British English) or rasterization (American English) is the task of taking an image described in a vector graphics format (shapes) and converting it into a raster image (a series of pixels, dots or lines, whic ...
, or rasterization, conversion of a vector image to a raster image
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Raster image processor
A raster image processor (RIP) is a component used in a printing system which produces a raster image also known as a bitmap. Such a bitmap is used by a later stage of the printing system to produce the printed output. The input may be a page d ...
, or RIP, a component of a printing system that performs rasterisation
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Raster interrupt
A raster interrupt (also called a horizontal blank interrupt) is an interrupt signal in a legacy computer system which is used for display timing. It is usually, though not always, generated by a system's graphics chip as the scan lines of a fram ...
, a computer interrupt signal
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Raster to vector
In computer graphics, image tracing, raster-to-vector conversion or raster vectorization is the conversion of raster graphics into vector graphics.
Background
An image does not have any structure: it is just a collection of marks on paper, grain ...
, an image conversion process
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Raster bar, an effect used in computer demos
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Raster-Noton, a record label
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Rastrum
A rastrum () or raster is a five-pointed writing implement used in music manuscripts to draw parallel staff lines when drawn horizontally across a blank piece of sheet music. The word "raster" is derived from the Latin for "rake". Rastra were ...
, a device used in medieval music manuscripts to draw staff lines
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Raster Document Object, a file format
People
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Christian Raster, statesman in Anhalt-Dessau
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Hermann Raster
Hermann Raster (May 6, 1827 – July 24, 1891) was an American editor, abolitionist, writer, and anti-temperance political boss who served as chief editor and part-owner of the ''Illinois Staats-Zeitung'', a widely circulated newspaper in the ...
(1827–1891), German Forty-Eighter
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