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Identifier	ND_topology
Short name	Topology
RegistrationStatus	Released 19 February 2008
Reference URL	http://dd.eionet.europa.eu/dataelements/latest/ND_topology
Name	Topology
Definition	Topology stores the relationships of one spatial element with respect to another.
Methodology for obtaining data	Only polygon topology, double precision is accepted. Topological consistency - no duplicated lines, no dangles, all polygons are closed, each polygon has a label, only a single label per polygon, no neighbor polygons with the same code…).
Datatype	string
Public or Internal	undefined
Owner (Accountable)
Responsible
CheckInNo	1

Allowable values

Code	Label	Definition
Polygon format, double precision	Only polygon information can be used for...	Polygon format, double precision

Tables using this common element

Table	Dataset	Owner
NVZ_DES_GIS	NiD_water	willeann
NVZ_POT_GIS	NiD_water	willeann
WTARiskAreas	NiD_water	willeann