GIS Dictionary

The point at which a satellite traveling south to north crosses the equator.

[data transfer] Acronym for American Standard Code for Information Interchange. The de facto standard for the format of text files

[Internet] Acronym for Active Server Pages. A Microsoft server-side scripting technology that can be used to create and run dynamic,

[programming] A Microsoft-created programming framework built on top of the common language runtime (CLR) that can be used on a

1 [analysisgeoprocessing] The compass direction that a topographic slope faces, usually measured in degrees from north. Aspect can be generated

[hardware] The ratio of the width of an image to its height. The aspect ratio of a standard computer monitor

[software] A package of software and its associated resources. For example, an ArcGIS Win32 assembly will typically include executables, DLLs,

A type of operator that assigns the result of an expression to an output, usually a raster, for storage.

[ESRI software] In Survey Analyst – Cadastral Editor, a feature class that uses the cadastral fabric as a basemap, and

[computing] In UML, the relationship between two classes. In an association, instances of the classes in question usually exist together,

[surveying] A bearing measured from an arbitrarily chosen reference line called an assumed meridian.