Sticky Dialog Bar | Support | GIS Dictionary

A to Z GIS | Explore this related guide, featuring updated terms and graphics and developed in coordination with Esri’s GIS Dictionary team.

Learn more about A to Z GIS

GIS Dictionary

Browse dictionary

node

URL copied Share URL
  1. [spatial analysis, geometry] In a TIN, one of the three corner points of a triangle, topologically linked to all triangles that meet there. Each sample point in a TIN becomes a node in the triangulation that may store elevation z-values and tag values.

    Media/nodes.gif
  2. [data architecture] In a geodatabase, the point representing the beginning or ending point of an edge, topologically linked to all the edges that meet there.

  3. [network analysis] A point at which a line ends or where two or more lines come together or intersect in a network.

  4. [mathematics] In graph theory, any vertex in a graph.

See also