GIS Dictionary

[database structures] An attribute or set of attributes in a database that uniquely identifies each record.

[hardware] A keystroke combination that executes a command that might otherwise require the use of a mouse. For example, Ctrl+C

[intellectual property rights] A unique number in the feature line of a license or authorization file that controls access to

[ESRI software] In an animation in ArcMap, ArcScene, or ArcGlobe, a snapshot of an object’s properties at a certain time.

1 [computing] A significant word from a document that is used to index or search content. 2 [computing] A word

[GPS] Determining the position of an antenna on a moving object such as a ship or an automobile.

[printing] In offset printing, an area that has been defined to cut through or mask specific layers of colored inks.

1 [computing] A database of information about a subject, used in expert systems. 2 [ESRI software] In PLTS, a series

[surveying] A surveyed point that has an established x,y coordinate value. Known points are used in survey operations to extend

[cartography] A map that uses a neural network algorithm to classify and illustrate associations in complex datasets, and reveal multidimensional

An interpolation technique in which the surrounding measured values are weighted to derive a predicted value for an unmeasured location.