GIS Dictionary

[database structures] The first level of guidelines for designing table and data structures in a relational database. The first normal […]

The degree to which a dataset is suitable for a particular application or purpose, encompassing factors such as data quality,

[geodesy] A single position obtained by surveying, GPS, or astronomical measurements, usually given with altitude, time, date, and latitude-longitude or

[ESRI software] In Survey Analyst for field measurements, a survey point used as an input to a computation. The coordinates

[ESRI software] In ArcGIS Tracking Analyst, stored temporal data that can be viewed in past, future, and past-and-future time windows.

1 [graphics map display] A marker that identifies or calls attention to something, indicating importance or the need for further

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

A type of scanner with a flat, clear surface on which a map or image remains stationary while a sensor

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

[Internet] A set of tools that allows developers to create cross-platform, browser-independent Web applications using a standards-based programming language. Created

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