GIS Dictionary

[ESRI software] A geometric element defined by a pair of x,y coordinates.

[ESRI software] In Survey Analyst, part of the validation of survey data. This type of analysis is used to authenticate

[linear referencing] In linear referencing, a feature that occurs at a precise point location along a route and uses a

1 [ESRI software] A map feature that has neither length nor area at a given scale, such as a city

[ESRI software] A field in the Survey Analyst Survey Explorer dialog box that allows a user to specify the name

[data capture] A method of digitizing in which the digitizer selects particular points, or vertices, to encode.

[ESRI software] In Survey Analyst, a visual indicator, after each keystroke, of whether or not a point with the typed

[ESRI software] In Survey Analyst, a unique part of every survey project. Points have a common name space across all

[graphics map display] A unit of measure for fonts, nearly equal to 1/72 of an inch.

[3D GIS] Act of reducing point data in a dataset. Point thinning reduces the number of point measurements needed to

[spatial analysis] A spatial operation in which points from one feature dataset are overlaid on the polygons of another to