GIS Dictionary

An individual row or record in a database table. Each tuple records the values for the columns defined in the table.

[network analysis] In network analysis, a movement that explicitly models transitions between edge elements during navigation.

[network analysis] A specialized feature class that defines turn movements in an ArcGIS network dataset. Turn features explicitly model subsets of possible transitions between edge elements during navigation, and may … Read more

[network analysis] In network analysis, the cost of making a turn at a network node. The impedance for making a left turn, for example, can be different from the impedance … Read more

In ArcInfo Workstation and ArcView GIS 3, a table that stores information about the cost of making each turn movement in a network. A turn table identifies the edge that … Read more

[map design] A series of small maps detailing where route segments meet.