| Publisher | Environmental Systems Research Institute | ||
|---|---|---|---|
| Format | 202.5KB PDF | Date added | 01 Jul 2005 |
| Topics | Mobile - Wireless Communications, GPS - GIS | ||
| Downloads | 39 | ||
A GIS topology is a set of rules and behaviors that model how points, lines, and polygons share geometry. Topology has long been a key GIS requirement for data management and integrity. In general, a topological data model represents spatial objects (point, line, and area features) using an underlying graph of topological primitives. These primitives, together with their relationships to one another and to the features whose boundaries they represent, are defined by representing the feature geometries in a planar graph of topological elements. Such datasets are said to be topologically integrated.
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