Source: http://www.eurogeographics.org/Projects/GDDD/GDDD/lists/products.htm#52

Source: http://www.eurogeographics.org/Projects/GDDD/GDDD/lists/products.htm#52

Source: PreANVIL Glossary http://www.anvil.eu.com/find/Glossary-english.htm

A user defined area (represented by a bounding box, circle or polygon). Often used as a filter in a query.

Data interchange standard for raster geographic images. An extension of the TIFF format to support a geodetically sound raster data georeferencing capability. The aim of GeoTIFF is to allow a means fo [..]

A Web site that provides a view into a universe of spatial content and activity through a variety of links to other sites, communication and collaboration tools, and special features geared toward the [..]

Location properties related to any terrestrial feature or phenomena. Location properties may include any information about the location or area of, and relationships among, and descriptive information [..]

Referring to location relative to the Earth's surface. "Geospatial" is more precise in many GI contexts than "geographic," because geospatial information is often used in ways [..]

Source: PreANVIL Glossary http://www.anvil.eu.com/find/Glossary-english.htm

A cell in a georectified gridded data can be uniquely geolocated, given the cell spacing, grid origin and orientation. Ungeorectified gridded data are irregularly spaced in any geographic/map projecti [..]