GIS Dictionary

[graphics map display] An instrument for measuring the opacity of translucent materials such as photographic negatives and optical filters.

1 [Euclidean geometry] In spatial measurements, the quantity per unit area or length. 2 [physics] In a substance such as

[remote sensing] A technique normally applied to a single-band monochrome image for highlighting areas that appear to be uniform in

[statistics] The variable representing the process being predicted or modeled, such as crime, foreclosure, or rainfall. The dependent variable is

[computing] The installation of a component or application on a target machine.

[ESRI software] In ArcGIS Network Analyst, a network location used to represent a starting, stopping, or renewal location for routes

[ESRI software] In ArcGIS Network Analyst, an object used to represent a single visit to a specific depot in vehicle

[symbology] A line on a map connecting points of equal depth below a hydrographic datum.

In ModelBuilder, data created by running a geoprocessing operation on existing data. Derived data from one process can serve as

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

[network analysis] A type of attribute for network elements that cannot be apportioned. The value of a descriptor stays the