GIS Dictionary

W-test

A type of statistical test used in surveying to detect blunders in a measurement network. The W-test is based ...

W3C

Acronym for World Wide Web Consortium. An organization that develops web standards and promotes interoperability between web technologies, such ...

WAN

Acronym for wide area network. A computer network that connects computers in a large area, such as in different ...

waterfall model

A software design methodology in which development proceeds through a top-down process of overlapping stages. First proposed in 1970, ...

wavelength

The distance between two successive crests on a wave, calculated as the velocity of the wave divided by its ...

wayfinding

1 The mental activities engaged in by a person trying to reach a destination, usually an unfamiliar one, in ...

waypoint

A location of interest, or a reference point on a route, stored as latitude-longitude coordinates and often captured by ...

WCS

Acronym for Web Coverage Service. A standard specification for exchanging coverages over the Internet using a server. The Web ...

web

A worldwide, decentralized, public information space for sharing documents and conducting business on the Internet. Components of the World ...

web browser

An application that allows users to access and view web pages on their computer screens. Web browsers enable users ...

Web form

Based on ASP.NET technology, Web forms allow the creation of dynamic Web pages in a Web application. Web forms ...

web map

In ArcGIS Online, a Web based, interactive map that allows you to display and query the layers on the ...

Web server

A computer that manages Web documents, Web applications, and Web services and makes them available to the rest of ...

web service

A software component accessible over the World Wide Web for use in other applications. Web services are built using ...

Web site

A collection of Web pages (HTML files) that are interconnected with hyperlinks and published on the World Wide Web.

weight

1 A number that indicates the importance of a variable for a particular calculation. The larger the weight assigned ...

WGS72

Acronym for World Geodetic System 1972. A geocentric datum and coordinate system designed by the U.S. Department of Defense, ...

WGS84

Acronym for World Geodetic System 1984. The most widely used geocentric datum and geographic coordinate system today, designed by ...

widget

An interactive graphic component of a user interface (such as a button, scroll bar, or menu bar), its ...

wireframe

A three-dimensional picture of an object, composed entirely of lines (wires). The lines represent the edges or surface ...

wizard

An interactive user interface that helps a software user complete a task one step at a time. Wizards are ...

work order

One specific task that proceeds through each stage of an organization's workflow process, including design, acceptance, and construction ...

workflow

1 An organization's established processes for design, construction, and maintenance of programs, products, and business objectives. 2 [organizational ...

workspace

1 A container for geographic data. A workspace can be a folder that contains shapefiles, a geodatabase, a ...

workstation

A computer that has better graphics capabilities and more processing power than most personal computers, and is able to ...

world file

A text file containing information about where an image should be displayed in real-world coordinates. When an image ...

World Wide Web

A worldwide, decentralized, public information space for sharing documents and conducting business on the Internet. Components of the World ...

WSDL

Acronym for Web Service Description Language. An XML format for describing the methods, types, and connection point of a ...

WYSIWYG

In ArcGIS desktop, this term refers to the editing tools providing visual feedback of the desired end result of ...

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