GIS Dictionary

[network analysis] In networks, the time during which a stop can be visited. For example, on a bus route, each […]

[ESRI software] In ArcGIS Network Analyst, a time window violation occurs when a route arrives at a network location after

Acronym for triangulated irregular network. A vector data structure that partitions geographic space into contiguous, nonoverlapping triangles. The vertices of

[data structures] A dataset containing a triangulated irregular network (TIN). The TIN dataset includes topological relationships between points and neighboring

[ESRI software] A layer that references a set of TIN data. TIN data contains a triangulated irregular network (TIN) and

One of four types of edges that may be found in a TIN: regular lines, hard breaklines, soft breaklines, and

[map projections] A graphical representation of the spatial distortion at a particular map location. The indicatrix is the figure that

[cartography] Acronym for topographic line map. A map that uses line contours to show elevations and depressions of the earth’s

[programming] Acronym for thread neutral apartment. An apartment that has no threads permanently associated with it; threads enter and leave

Of an arc’s two endpoints, the last one digitized. From- and to-nodes give an arc left and right sides and,

[geography] A formulation of the concept of spatial autocorrelation by the geographer Waldo Tobler (1930-), which states “Everything is related