GIS Dictionary

1 [data models] An abstraction of reality used to represent objects, processes, or events. 2 [modeling] A set of rules and procedures for representing a phenomenon or predicting an outcome. … Read more

[ESRI software] In ArcGIS, a type of parameter exposed in a geoprocessing model that displays in a model’s dialog box and allows for input.

[ESRI software] The interface used to build and edit geoprocessing models in ArcGIS.

[ESRI software] In MOLE, text or graphics that display around a symbol, or a value that changes the appearance of a symbol. In some military specifications, attributes are referred to … Read more

[satellite imaging] Acronym for moderate resolution imaging spectroradiometer. A bundle of remote-sensing equipment housed on two NASA (National Aeronautics and Space Administration) satellites, Terra and Aqua, in orbit around Earth. … Read more

[ESRI software] Acronym for Military Overlay Editor. An ESRI software application that allows users to create, display, and edit military symbology in their maps.

1 [physics] Related to a single wavelength or a very narrow band of wavelengths. 2 [graphics computing] A color scheme made up of lighter and darker shades of the same … Read more

[modeling] An algorithm for computing solutions to problems that contain a large number of variables by performing iterations with different sets of random numbers until the best solution is found. … Read more

1 [remote sensing] A raster dataset composed of two or more merged raster datasetsfor example, one image created by merging several individual images or photographs of adjacent areas. 2 [visualization] … Read more

[data management] In ArcGIS, a collection of raster datasets (images) stored as a catalog and viewed as a mosaicked image.

[data capture] A way of using a digitizing tablet in which the digitizer puck behaves like a mouse; the puck is used to point to interface elements rather than to … Read more