GIS Dictionary

A shortened form of a word or phrase which represents the whole. Abbreviations are commonly a letter or group of letters taken from the complete form of the word, such … Read more

[symbology] In Maplex for ArcGIS, a file that contains whole words and their abbreviated forms to allow automated shortening of labels.

[coordinate systems] In a rectangular coordinate system, the distance of the x-coordinate along a horizontal axis from the vertical or y-axis. For example, a point with the coordinates (7,3) has … Read more

Coordinates that are referenced to the origin of a given coordinate system.

[ESRI software] In Survey Analyst for field measurements, one of two possibilities for performing a constrained adjustment. In the absolutely constrained adjustment, the coordinates of the reference points keep their … Read more

[remote sensing] The amount of electromagnetic energy lost through interactions with gas molecules and matter during its passage through the atmosphere.

[cognition] A simplified idea of a real-world object or system.