GIS Dictionary

The longitude value that defines the origin of the x-coordinate values for a projection.

A relatively unstructured relationship between two software components or programs that work together to process data, which requires little overlap

[ESRI software] A replication model that does not require the parent and child replicas to be directly connected for synchronization

[data transfer] Data compression that has the ability to store data without changing any of the values, but is only

[data transfer] Data compression that provides high compression ratios (for example 10:1 to 100:1), but does not retain all the

[empty] A measured parcel of land having fixed boundaries and designated on a plot or survey.

[programming] A programming language that uses keywords and statements that are little more complex than the ones and zeros of

[remote sensing] A spatial filter that blocks high-frequency (shortwave) radiation, resulting in a smoother image.