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Aspect ratio, the Glossary

Index Aspect ratio

The aspect ratio of a geometric shape is the ratio of its sizes in different dimensions.[1]

Table of Contents

  1. 47 relations: Aspect ratio (aeronautics), Aspect ratio (image), Astigmatism (optical systems), Axial ratio, Compact space, Computer monitor, Digital image, Display aspect ratio, Display resolution standards, Domino (mathematics), Equidimensionality, Extended Graphics Array, Film gauge, Finite element method, Fraction, Geometry, Golden ratio, HARMST, Hyperrectangle, IPhone 5, ISO 216, Lens, List of aspect ratios of national flags, List of motion picture film formats, Page orientation, Paper size, Photo print sizes, Photolithography, Pixel aspect ratio, Plus sizing, Ratio, Rectangle, Scale (ratio), Semi-major and semi-minor axes, Shape factor (image analysis and microscopy), Square, Squeeze mapping, Standard-definition television, Tire code, Turbocharger, Video Graphics Array, Web banner, Widescreen, 135 film, 16 mm film, 16:10 aspect ratio, 21:9 aspect ratio.

Aspect ratio (aeronautics)

In aeronautics, the aspect ratio of a wing is the ratio of its span to its mean chord.

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Aspect ratio (image)

The aspect ratio of an image is the ratio of its width to its height. Aspect ratio and aspect ratio (image) are ratios.

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Astigmatism (optical systems)

An optical system with astigmatism is one where rays that propagate in two perpendicular planes have different foci.

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Axial ratio

Axial ratio, for any structure or shape with two or more axes, is the ratio of the length (or magnitude) of those axes to each other - the longer axis divided by the shorter. Aspect ratio and Axial ratio are ratios.

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Compact space

In mathematics, specifically general topology, compactness is a property that seeks to generalize the notion of a closed and bounded subset of Euclidean space.

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Computer monitor

A computer monitor is an output device that displays information in pictorial or textual form.

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Digital image

A digital image is an image composed of picture elements, also known as pixels, each with finite, discrete quantities of numeric representation for its intensity or gray level that is an output from its two-dimensional functions fed as input by its spatial coordinates denoted with x, y on the x-axis and y-axis, respectively.

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Display aspect ratio

The display aspect ratio (DAR) is the aspect ratio of a display device and so the proportional relationship between the physical width and the height of the display.

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Display resolution standards

A display resolution standard is a commonly used width and height dimension (display resolution) of an electronic visual display device, measured in pixels.

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Domino (mathematics)

In mathematics, a domino is a polyomino of order 2, that is, a polygon in the plane made of two equal-sized squares connected edge-to-edge.

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Equidimensionality

In mathematics, especially in topology, equidimensionality is a property of a space that the local dimension is the same everywhere.

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Extended Graphics Array

The eXtended Graphics Array (usually called XGA) is a graphics card manufactured by IBM and introduced for the IBM PS/2 line of personal computers in 1990 as a successor to the 8514/A.

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Film gauge

Film gauge is a physical property of photographic or motion picture film stock which defines its width.

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Finite element method

The finite element method (FEM) is a popular method for numerically solving differential equations arising in engineering and mathematical modeling.

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Fraction

A fraction (from fractus, "broken") represents a part of a whole or, more generally, any number of equal parts.

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Geometry

Geometry is a branch of mathematics concerned with properties of space such as the distance, shape, size, and relative position of figures.

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Golden ratio

In mathematics, two quantities are in the golden ratio if their ratio is the same as the ratio of their sum to the larger of the two quantities.

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HARMST

HARMST is an acronym for high aspect ratio microstructure technology, which describes fabrication technologies, used to create high-aspect-ratio microstructures with heights between tens of micrometers up to a centimeter, and aspect ratios greater than 10:1.

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Hyperrectangle

In geometry, a hyperrectangle (also called a box, hyperbox, or orthotopeCoxeter, 1973), is the generalization of a rectangle (a plane figure) and the rectangular cuboid (a solid figure) to higher dimensions.

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IPhone 5

The iPhone 5 is a smartphone that was designed, developed, and marketed by Apple Inc. It is the 6th generation iPhone, succeeding the iPhone 4s, and preceding both the iPhone 5s and iPhone 5c.

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ISO 216

ISO 216 is an international standard for paper sizes, used around the world except in North America and parts of Latin America.

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Lens

A lens is a transmissive optical device that focuses or disperses a light beam by means of refraction.

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List of aspect ratios of national flags

The following table shows the aspect ratio (height to width ratio) of national flags used by countries and dependencies.

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List of motion picture film formats

This list of motion picture film formats catalogues formats developed for shooting or viewing motion pictures, ranging from the Chronophotographe format from 1888, to mid-20th century formats such as the 1953 CinemaScope format, to more recent formats such as the 1992 IMAX HD format.

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Page orientation

Page orientation is the way in which a rectangular page is oriented for normal viewing.

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Paper size

Paper size standards govern the size of sheets of paper used as writing paper, stationery, cards, and for some printed documents.

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Photo print sizes

Standard photographic print sizes are used in photographic printing.

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Photolithography

Photolithography (also known as optical lithography) is a process used in the manufacturing of integrated circuits.

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Pixel aspect ratio

A Pixel aspect ratio (often abbreviated PAR) is a mathematical ratio that describes how the width of a pixel in a digital image compared to the height of that pixel.

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Plus sizing

Plus sizing is the practice of replacing an automotive wheel with one of a larger diameter fitted with a new tire of lower aspect ratio so that the new tire has close to the same diameter and circumference as the original tire to minimize any changes in speedometer accuracy, torque and traction control, while reducing sidewall flex and (generally) increasing cornering ability.

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Ratio

In mathematics, a ratio shows how many times one number contains another. Aspect ratio and ratio are ratios.

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Rectangle

In Euclidean plane geometry, a rectangle is a quadrilateral with four right angles.

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Scale (ratio)

The scale ratio of a model represents the proportional ratio of a linear dimension of the model to the same feature of the original.

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Semi-major and semi-minor axes

In geometry, the major axis of an ellipse is its longest diameter: a line segment that runs through the center and both foci, with ends at the two most widely separated points of the perimeter.

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Shape factor (image analysis and microscopy)

Shape factors are dimensionless quantities used in image analysis and microscopy that numerically describe the shape of a particle, independent of its size.

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Square

In Euclidean geometry, a square is a regular quadrilateral, which means that it has four sides of equal length and four equal angles (90-degree angles, π/2 radian angles, or right angles).

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Squeeze mapping

In linear algebra, a squeeze mapping, also called a squeeze transformation, is a type of linear map that preserves Euclidean area of regions in the Cartesian plane, but is not a rotation or shear mapping.

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Standard-definition television

Standard-definition television (SDTV; also standard definition or SD) is a television system that uses a resolution that is not considered to be either high or enhanced definition.

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Tire code

Automotive tires are described by an alphanumeric tire code (in North American English) or tyre code (in Commonwealth English), which is generally molded into the sidewall of the tire.

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Turbocharger

In an internal combustion engine, a turbocharger (also known as a turbo or a turbosupercharger) is a forced induction device that is powered by the flow of exhaust gases.

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Video Graphics Array

Video Graphics Array (VGA) is a video display controller and accompanying de facto graphics standard, first introduced with the IBM PS/2 line of computers in 1987, which became ubiquitous in the IBM PC compatible industry within three years.

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A web banner or banner ad is a form of advertising on the World Wide Web delivered by an ad server.

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Widescreen

Widescreen images are displayed within a set of aspect ratios (relationship of image width to height) used in film, television and computer screens.

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135 film

Full gate of the movie format half the size) Leica I, 1927, the first successful camera worldwide for 35 cine film 135 film, more popularly referred to as 35 mm film or 35 mm, is a format of photographic film with a film gauge of loaded into a standardized type of magazine (also referred to as a cassette or cartridge) for use in 135 film cameras.

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16 mm film

16 mm film is a historically popular and economical gauge of film.

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16:10 aspect ratio

16:10 (1.6:1) is an aspect ratio commonly used for computer displays and tablet computers.

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21:9 aspect ratio

"21:9" ("twenty-one by nine" or "twenty-one to nine") is a consumer electronics (CE) marketing term to describe the ultrawide aspect ratio of 64:27 (2.:1 or 21.:9), designed to show films recorded in CinemaScope and equivalent modern anamorphic formats.

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References

[1] https://en.wikipedia.org/wiki/Aspect_ratio

Also known as Aspect ratios, Aspect-ratio.