GIS Dictionary

Acronym for National Marine and Electronics Association. A nonprofit association composed of manufacturers, distributors, dealers, educational institutions, and others interested […]

[data capture] In raster data, the absence of a recorded value. NoData does not equate to a zero value. While

1 [ESRI software] In a geodatabase, the point representing the beginning or ending point of an edge, topologically linked to

1 [remote sensing] In remote sensing, any disturbance in a frequency band. 2 [data quality] Any irregular, sporadic, or random

[data structures] Data divided into classes within which all elements are assumed to be equal to each other, and in

[data editing] A polygon that violates topological integrity by crossing its own boundary (usually by making a small loop).

[data management] Data without inherently spatial qualities, such as attributes.

[statistics] A theoretical frequency distribution of a dataset in which the distribution of values can be graphically represented as a

[database structures] A set of guidelines for designing table and data structures in a relational database. When followed, normal form

[ESRI software] The template that is automatically loaded in ArcMap and contains all the standard toolbar and command default settings.

[data management] The process of organizing, analyzing, and cleaning data to increase efficiency for data use and sharing. Normalization usually