GIS Dictionary

[ESRI software] An additional read-only data source provided by either ESRI or a third-party developer. It may be a data […]

[surveying] A line that corresponds to the direction of gravity at a point on the earth’s surface; the line along

[ESRI software] Acronym for Published Map File. A file exported by the Publisher extension that can be read by ArcReader.

Acronym for Portable Network Graphics. A bitmapped graphics format similar to GIF.

[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