Water Network GraphGraphe de l'eau

Graphe de l'eauWater Network Graph

APIDiscovered1/7blocked by verifiedQuery nowOpen workbench Subscribe🇨🇭Switzerland

This dataset represents the hydrographic network draining the Geneva catchment area, maintained by the Geneva territorial information system (SITG). It consists of a set of linear segments representing the axis of watercourses. For the lake, the Rhône and the Arve, it also includes shoreline lines. The network appears on the map annexed to the cantonal law governing waters, and serves as a reference geographic layer for identifying and analyzing the rivers, streams and water bodies within the canton of Geneva.Le Graphe Eau représente le réseau hydrographique drainant le bassin versant genevois. Il est constitué d'un ensemble de segments linéaires représentant l'axe des cours d'eau. Pour le lac, le Rhône et l'Arve, il contient en outre les lignes de rives. Il figure sur la carte annexée à la loi sur les…

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Data schema (9 fields)

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Field	Type	Description
OBJECTID	int	Internal unique identifier for the record.Internal unique identifier for the record.
CODE_SLCECode slce	int	Code identifying the watercourse section (cours d'eau).Code identifying the watercourse section (cours d'eau).
CODE_SEGCode seg	int	Code identifying the individual river segment.Code identifying the individual river segment.
KM_DEKm de	double	Starting kilometre point of the segment along the watercourse.Starting kilometre point of the segment along the watercourse.
KM_AKm a	double	Ending kilometre point of the segment along the watercourse.Ending kilometre point of the segment along the watercourse.
LONGUEUR	double	Length of the segment, in metres.Length of the segment, in metres.
SHAPE	MultiCurvePropertyType	Geometric line representing the watercourse segment.Geometric line representing the watercourse segment.
ANNEE_DIST_CONSTRAnnee dist constr	int	Year of the applicable construction setback distance regulation.Year of the applicable construction setback distance regulation.
SHAPE.LEN	double	Calculated length of the geometry, in metres.Calculated length of the geometry, in metres.

Schema captured from wfs 2 days ago.

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Sample data (3 records)

Record 1ETAT: A ciel ouvert · KM_A: 166.231333

{
  "ETAT": "A ciel ouvert",
  "KM_A": 166.231333,
  "GmlID": "LCE_GRAPHE_EAU.1",
  "KM_DE": 0,
  "L_205": "Oui",
  "CODE_SEG": 9601,
  "LONGUEUR": 166.2,
  "OBJECTID": 1,
  "CODE_SLCE": 96,
  "NOM_COURT": "Pièce",
  "PROPRIETE": "En cours de révision",
  "SHAPE.LEN": 166.22717794,
  "TYPE_SIEAU": "Cours principal",
  "NOM_OFFICIEL": "Ruisseau de la Pièce",
  "ANNEE_DIST_CONSTR": 1975,
  "DIST_CONSTR_INDIC": "30 [m]"
}

Record 2ETAT: A ciel ouvert · KM_A: 314.96

{
  "ETAT": "A ciel ouvert",
  "KM_A": 314.96,
  "GmlID": "LCE_GRAPHE_EAU.2",
  "KM_DE": 181.4781,
  "L_205": "Oui",
  "CODE_SEG": 9501,
  "LONGUEUR": 133.5,
  "OBJECTID": 2,
  "CODE_SLCE": 95,
  "NOM_COURT": "Missezon",
  "PROPRIETE": "En cours de révision",
  "SHAPE.LEN": 133.48651596,
  "TYPE_SIEAU": "Cours principal",
  "NOM_OFFICIEL": "Ruisseau du Missezon",
  "ANNEE_DIST_CONSTR": 1975,
  "DIST_CONSTR_INDIC": "30 [m]"
}

Record 3ETAT: A ciel ouvert · KM_A: 1615.879

{
  "ETAT": "A ciel ouvert",
  "KM_A": 1615.879,
  "GmlID": "LCE_GRAPHE_EAU.3",
  "KM_DE": 314.96,
  "L_205": "Oui",
  "CODE_SEG": 9501,
  "LONGUEUR": 1300.9,
  "OBJECTID": 3,
  "CODE_SLCE": 95,
  "NOM_COURT": "Missezon",
  "PROPRIETE": "En cours de révision",
  "SHAPE.LEN": 1300.94393923,
  "TYPE_SIEAU": "Cours principal",
  "NOM_OFFICIEL": "Ruisseau du Missezon",
  "ANNEE_DIST_CONSTR": 1975,
  "DIST_CONSTR_INDIC": "30 [m]"
}

Live sample captured at profiling time — values may have changed upstream.

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Using the API

Configuration

Base URL: https://vector.sitg.ge.ch/arcgis/services/LCE_GRAPHE_EAU/MapServer/WFSServer?service=WFS&request=GetCapabilities

Query examples

curl -s 'https://vector.sitg.ge.ch/arcgis/services/LCE_GRAPHE_EAU/MapServer/WFSServer?service=WFS&version=2.0.0&request=GetCapabilities' -H 'Accept: application/json'

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