GIS terms starting with N

21 terms

  1. National Data from all categories that cover the entire continental United States of America.
  2. National Bureau of Standards (NBS) now known as NIST (see NIST).
  3. National Institute of Standards & Technology (NIST) The agency that produces the Federal Information Processing Standards (FIPS) for all U.S.A. government agencies except the Department of Defense.
  4. National map accuracy standards (NMAS) specifications of accuracy standards for well-defined map points on published maps that are specified by the U.S. Geological Survey and revised by the U.S.
  5. National Transfer Format (NTF) British Standard BS 7567. NTF is an exchange format that permits the transfer of vector data with five different levels of complexity.
  6. native mode usage A statement syntax entered in ARC/INFO in the language of an external system. Inclusion of an SQL WHERE clause in an ARC/INFO native mode SQL selection…
  7. neatline A border line commonly drawn around the extent of a map.
  8. Neighborhood Clusters There are 39 Neighborhood Clusters currently used for community planning and related purposes in the District of Columbia.
  9. Network The facilities, providers and suppliers your health insurer or plan has contracted with to provide health care services.
  10. network coverage In ARC/INFO, a line coverage on which network tools such as PATH and ALLOCATE can operate.
  11. Network Element The components of a network in ARC/INFO, including network links and network nodes, of which there are three types: stops, centers, and turns.
  12. Network File System (NFS) The Network File System (NFS) protocol allows a given computer to access a disk on another computer over a network in a transparent fashion.
  13. network link Network links are interconnected linear entities which represent the conduits for transportation (e.g.
  14. network node Network nodes are the endpoints and connecting points of network links, for example, intersections and interchanges of a road network, the confluence of…
  15. network routing An interconnected set of lines representing possible paths for the movement of resources, people, or traffic from one location to another.
  16. networking protocols A networking protocol is software that provides a communication gateway (link) allowing the exchange of data between various networking systems.
  17. node Any device connected to network. PCs, servers, and printers are all nodes on the network.
  18. Node Attribute Table / Arc Attribute Table (NAT) A table containing attributes for node coverage features. For each node, the NAT contains a reference to one of the arcs it connects to, an internal node…
  19. node match tolerance The minimum radial distance within which two nodes will be joined (matched) to form one node.
  20. normalization A conceptual database design task that involves applying data dependency to a data model to avoid data inconsistencies by prohibiting redundancy.
  21. null value The absence of a value. If a particular column of a row in a table is null, that means there is no value stored. Null is not the same as blank or zero.