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1. the process or art of drawing in accordance with mathematical principles
2. the information displayed on a visual display unit or on a computer printout in the form of diagrams, graphs, pictures, and symbols



in linguistics, a system of rules for the transition from graphemes and their combinations to phonemes and their combinations, or vice versa. These rules are necessitated by the fact that in no language do the phonemic and grap. hemic systems coincide completely. On the one hand there are phonemes to which graphic combinations correspond (for example, [∫]~ sh in the English writing system), but this correspondence does not follow from the fact that the grapheme s corresponds to the phoneme [s] or [z] and the grapheme h to the phoneme [h] or zero. On the other hand, graphemes having no phonemic parallels at all outside certain graphic combinations do exist (for example, q is not encountered in most Western European writing systems other than in the combination qu). The term “graphics” is often used to designate an entire set of devices that are specifically for written speech (graphemes, punctuation marks, and differences in typeface).



In communications systems, an information mode in which a graphic system is used to reproduce intelligence; a variation of facsimile.
Nonvoice analog information devices and modes such as facsimile, photographics, and television.
(science and technology)
The graphic media.
The art of drawing a three-dimensional object on a two-dimensional surface according to mathematical rules of projection.


The art of drawing, esp. of drawing according to mathematical rules, as in perspective, projection, etc., associated with architectural and engineering plans.


(1) The computer's display system. See display adapter, discrete graphics, integrated graphics and graphics pipeline.

(2) The creation and manipulation of picture images. All graphics terms in this encyclopedia refer to "computer graphics." A fast computer is required for graphics work, and although mice are widely used to create illustrations, a drawing tablet is also used for precise illustrations (see digitizer tablet and CAD).

Vector and Bitmapped Graphics

The major categories of digital graphics structures are vector graphics and bitmapped graphics. To understand this field, knowing how these two architectures are used and intertwine is necessary.

Drawing, Scanning and Painting
When pictures are "drawn" (top), they become vector graphics. When they are photographed or scanned, they become bitmaps (a matrix of pixels). Images can also be "painted" (see paint program).

Vector vs. Bitmap
Intricate illustrations can be made with drawing (vector) programs. However, nothing can provide the realism of a photograph or scan (bottom). (Images courtesy of Adobe Systems, Inc.)

Vector Graphics for CAD and Drawing

Vector graphics are a series of points, lines, arcs and other geometric shapes. They are created in computer-aided design (CAD) and drawing programs. As you draw, each line is stored as a vector, which is two end points on an x-y matrix. For example, a square becomes four vectors, one for each side. A circle is turned into dozens or hundreds of tiny straight lines, the number of which is determined by the resolution of the drawing. The image is stored in the computer as a list of vectors.

Vector Graphics Are Easily Scaled
Each vector element maintains its own identity and can be selected and manipulated independently of the others. Any element can be independently scaled (resized) smaller or larger.

From Vectors to Bitmaps
Monitors display pixels, and printers print dots, both of which are bitmaps. Therefore, vector images must be converted into bitmaps ("rasterized") for the screen and printer. The rasterization process is performed by the operating system and printer language (see page description language).

3D Graphics

3D images are vector graphics, but 3D CAD and drawing programs are significantly different than 2D programs. Objects are created in 3D form in a 3-dimensional workspace. They can be viewed at any angle by simply rotating them, whereas in 2D programs, the object would have to be redrawn entirely. 3D programs can render the drawing with lights and shadows, and camera angles and light sources are used to depict the objects as real-world elements.

The 3D Stage
In 3D graphics, objects are created on a 3-dimensional stage where the current view is derived from the camera angle and light sources, similar to the real world. (Image courtesy of Intergraph Computer Systems.)

Bitmapped Graphics for Imaging and Painting

Bitmapped graphics, also known as "raster graphics," are made up of dots like TV images. Each image is divided into horizontal rows, with each row divided into "pixels" (dots). There can be millions of pixels in a single image (see megapixel).

Bitmapped graphics are created manually in image editor and paint programs. They can also be scanned from paper documents, photographed by digital cameras, recorded by video cameras, as well as extracted from the computer screen (see screen capture).

Many Formats, All Digital
Unlike TV, which uses one family of formats for the country, there are dozens of different vector and bitmapped graphics standards. See graphics formats and DTV.

Bits Per Pixel
When an image is scanned into or "painted" on a computer, the bitmap is created in a reserved area of RAM with some number of bits corresponding to each pixel. The simplest monochrome bitmap uses one bit (on/off) per pixel. Gray scale bitmaps store a number for each pixel corresponding to a shade of gray; for example, 8 bits holds 254 gray levels plus black and white.

Color bitmaps require three times as much storage in order to represent the shades of red, green and blue. Since colors are designated with numbers, changing red to green is a process of searching for the red number and replacing it with the green number. See color depth.

Although often compressed further to save space, bitmapped image files are typically larger than their vector counterpart. Storage for each pixel is required whether part of the object or the background. A small object in a vector image requires storage of only a few vectors.

From Bitmaps to Bitmaps
Although bitmapped images are already in a raster format, they typically have to be combined with other bitmaps, vector and text elements and be "rasterized" into a bitmap of the screen's resolution or the printed page.

Drawing vs. Painting
Although more painting tools are added to drawing programs and more drawing tools are added to paint programs, their inherent structure is different. Drawing programs (vector graphics) allow for the creation of objects that can be manipulated independently. Paint programs (bitmapped graphics) provide a canvas that can be covered with electronic paint.

Canvas Specializes in Both
Deneba Software's Canvas combines extensive drawing and imaging tools in one program. The PC drawing on top is a vector graphics rendering and the "first mouse" underneath is a bitmap. The open menu shows the image editing tools.

Getting Closer All the Time
A major goal is to create virtual people who look real, and it took 19 rendering passes in 2004 to create this lovely lady. Also, this JPEG image is 1/74th the size of the original 2.3MB TIFF file. It was compressed to 32KB to save space in this encyclopedia (see JPEG). (Image courtesy of NVIDIA Corporation.)
References in periodicals archive ?
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Leticia Campoy Vega has been declared as one of ten student artists "to watch" at the Free Range Show in London next month and Ryan Killeen is also celebrating after receiving a "design futures recommendation" from popular magazine, Grafik.
Grafik Marketing Communications in Alexandria, Virginia, also employs a number of sharing methods, from an ongoing idea-generation contest to brown-bag sessions on a variety of topics, each presented by different employees, including a recent one on the effects of generation gaps on creativity.
Grafik 2'de gorulebilecegi gibi, Satin alma gucu paritesi cinsinden kisi basina dusen Ar-Ge harcamasi ise ayni yillarda 51,4 A.
This latest deal will see Barratt working with Essex company Grafik Architects to create a range of houses and apartments on the M11 corridor.
NORDIC BUSINESS REPORT-21 December 2004-National Industri A/S acquires Kuvert Grafik ApS and raises expectations(C)1994-2004 M2 COMMUNICATIONS LTD http://www.
Grafik l'de goruldugu gibi arastirma kapsamina alinan kadinlarin tamamina yakinin tup gaz satin alirken, abonesi olunan tupun mutlaka yetkili bayiden alinmasi, (%99.
Designed for optimal scalability, GRAFIK 7000[TM] Centralized Lighting Control System is a first-of-its-kind central control system that allows today's best available lighting automation technologies to be easily customized.
Grafik Integrale is a lighting control system designed for small offices, conference rooms, lecture theatres and home cinemas.
Grafik of Alexandria, Virginia, was engaged to develop and design the logo.
Table - 1 20 largest advertising bureaus in revenue, 2000-2001 (Rp million) Companies Income Companies Income (2000) (2001) Lowe Limas&Partners 342,980 Lowe 347,308 Matari Advertising 152,150 JWT Adforce 261,270 Indo AD 144,978 Matari Advertising 251,948 Grafik McCann-Erickson 133,491 Ogilvy&Mather Adv.
In addition, Modern Grafik seeks to remind their existing customers about their full range of services.