GIS Dictionary

A tree data structure used for indexing data within a database or file system implementation. In a B-tree structure, data […]

[output] In ArcScene or ArcGlobe, the backdrop of the view. The color of the background can be set to suggest

[remote sensing] Electromagnetic energy that is reflected back toward its source by terrain or particles in the atmosphere.

[cartography] Acronym for best available map. The most suitable data source for a map.

[remote sensing] A set of adjacent wavelengths or frequencies with a common characteristic. For example, visible light is one band

[digital image processing] A digital image-processing technique that enhances contrast between features by dividing a measure of reflectance for the

[remote sensing] An image format that stores each band of data in a separate file.

[remote sensing] A wave filter that allows signals in a certain frequency to pass through, while blocking or attenuating signals

[computing] The amount of digital data that can be transferred over a computer network within a specified time period, usually

1 [network analysis] In network analysis, an entity that prevents flow from traversing a network edge or junction. 2 [ESRI

[data analysis] Map data over which other, thematic information is placed.