GIS Dictionary

[computing] A measure of the speed at which a computer system works. Factors affecting performance include availability, throughput, and response […]

[astronomy] In an orbit path, the point at which the object in orbit is closest to the center of the

[data management] A dataset permanently stored on disk.

[intellectual property rights] A license that has a time-out date listed as permanent, indicating that the license for a particular

[computing] In computing, the process of saving or storing data; retaining the current state of an object in a memory

[database structures] A geodatabase that stores data in Microsoft Access. A personal geodatabase can be read simultaneously by several users,

[3D GIS] A projection mode in 3D applications that allows viewing from a perspective that can be controlled by navigating

[aerial photography] The science of interpreting and mapping geologic features from aerial photographs or remote-sensing data.

The science of making reliable measurements of physical objects and the environment by measuring and plotting electromagnetic radiation data from

[aerial photography] An aerial photograph or photographs, referenced to a ground control system and overprinted with map symbology.

[physics] An instrument that records the intensity of light by converting incident radiation into an electrical signal and then measuring