GIS Dictionary

key

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

keyframe

In an animation in ArcMap, ArcScene, or ArcGlobe, a snapshot of an object's properties at a certain time.

knockout

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

known point

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

Kohonen map

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

kriging

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