GIS Dictionary

[linear referencing] In linear referencing, an organized collection of symbols and settings for the hatch definitions that make up a […]

[linear referencing] In linear referencing, a series of vertical line or marker symbols displayed on top of features at an

[linear referencing] In linear referencing, a type of labeling that posts and labels hatches or symbols at a regular interval

[geodesy] Acronym for horizontal dilution of precision. A measure of the geometric quality of a GPS satellite configuration in the

[navigation] The direction of a moving object, expressed as an angle from a known direction, usually north.

[data capture] Manual digitization by tracing a mouse over features displayed on a computer monitor, used as a method of

[computing] In computer programming, a variation on the binary tree data structure in which each node’s value is greater than

[standards] A metric areal unit of measure equal to 10,000 square meters. One hectare is equal to 100 ares or

[Euclidean geometry] The vertical distance between two points, or above a specified datum.

A geometric transformation that scales, rotates, or translates images or coordinates between any two Euclidean spaces. It is commonly used

[ESRI software] In ArcGIS 8.3 and previous versions, a branch in the ArcToolbox tree providing overview help for ArcToolbox toolsets.