GIS Dictionary

1 [graphics map display] A marker that identifies or calls attention to something, indicating importance or the need for further attention. 2 [ESRI software] In ArcMap, a temporary graphic that … Read more

[Internet] A browser-independent, vector graphic technology for creating interactive Web sites with video, graphics, and animation. Browsers need plug-ins for Flash animations.

A type of scanner with a flat, clear surface on which a map or image remains stationary while a sensor beam moves across it and captures a digital image.

A measure of how much an oblate spheroid differs from a sphere. The flattening equals the ratio of the semimajor axis minus the semiminor axis to the semimajor axis.

[Internet] A set of tools that allows developers to create cross-platform, browser-independent Web applications using a standards-based programming language. Created by Macromedia in 2004 and now developed by Adobe, the … Read more

[ESRI software] A layer in ArcGlobe that has been categorized to float independently above or below the globe surface.

[computing] A type of numeric field for storing real numbers with a decimal point. The decimal point can be in any position in the field and, thus, may “float” from … Read more

[network analysis] The route or course followed by commodities proceeding through edge elements in a network.

[cartography] A map that uses line symbols of variable thickness to show the proportion of traffic or flow within a network.