Definitions for GIS terms related to operations such as analysis, GIS modeling and web-based GIS, cartography, and Esri software.
Now available for purchase: A to Z GIS: An illustrated dictionary of geographic information systems.
Search the GIS Dictionary:
Search the GIS Bibliography for a vast index of books, journals, conference proceedings and reports.
A closed, two-dimensional shape defined by its boundary or by a contiguous set of raster cells.
A calculation of the size of a two-dimensional feature, measured in square units.