Please help improve this section by adding citations to reliable sources. These values are retrieved from the refresh buffer and painted onto the screen one row at a time. This memory area holds the values for each pixel on the screen. In most modern graphics cards the data to be drawn is stored internally in an area of semiconductor memory called the framebuffer. Although often a great deal faster, it is similar in the most general sense to how one's gaze travels when one reads lines of text. It is a systematic process of covering the area progressively, one line at a time. The pattern left by the lines of a rake, when drawn straight, resembles the parallel lines of a raster: this line-by-line scanning is what creates a raster. The word raster comes from the Latin word rastrum (a rake), which is derived from radere (to scrape) see also rastrum, an instrument for drawing musical staff lines. By analogy, the term is used for raster graphics, the pattern of image storage and transmission used in most computer bitmap image systems. Raster-scan display sample visible gaps between the horizontal scan lines divide each characterĪ raster scan, or raster scanning, is the rectangular pattern of image capture and reconstruction in television. JSTOR ( May 2010) ( Learn how and when to remove this template message).Unsourced material may be challenged and removed. Please help improve this article by adding citations to reliable sources.

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Manga studio vector or raster