Tree Register of the City of AachenBaumkataster Stadt Aachen
Baumkataster Stadt AachenTree Register of the City of Aachen
This WMS API provides access to the tree register of the city of Aachen, published by the city's Department of Geoinformation and Land Management. The register combines two datasets: the majority of trees in public space, maintained by the Aachen municipal services and comprising around 120,000 trees, and a supplementary collection of roughly 300 trees designated as natural monuments. The service exposes geospatial data on individual trees, including their location and classification, and can be queried via standard OGC Web Map Service requests such as GetCapabilities for use in GIS applications and municipal planning.Das Baumkataster der Stadt Aachen setz sich aus zwei Teildatensätzen zusammen. Der überwiegende Teil der Bäume im öffentlichen Raum wird durch den Aachener Stadtbetrieb abgedeckt (ca. 120.000 Bäume). Ergänzt wird dieser Bestand durch eine Zusammenstellung von etwa 300 Bäumen welche als Naturdenkm...
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Data schema (14 fields)
Click a field to see example values.
| Field | Type | Description |
|---|---|---|
| objectid | int | Internal record identifier.Internal record identifier. |
| baumnummer | string | Unique tree number in the tree register.Unique tree number in the tree register. |
| objekt | string | Name of the site or street section where the tree is located.Name of the site or street section where the tree is located. |
| baumartschluessel | string | Code identifying the tree species.Code identifying the tree species. |
| baumart | string | General tree type, e.g. deciduous or coniferous.General tree type, e.g. deciduous or coniferous. |
| gattung | string | Botanical genus and species name of the tree.Botanical genus and species name of the tree. |
| kronendurchmesser | decimal | Diameter of the tree's crown, in metres.Diameter of the tree's crown, in metres. |
| baumhoehe | decimal | Height of the tree, in metres.Height of the tree, in metres. |
| stammumfang | decimal | Circumference of the tree trunk, in centimetres.Circumference of the tree trunk, in centimetres. |
| stammdurchmesser | int | Diameter of the tree trunk, in centimetres.Diameter of the tree trunk, in centimetres. |
| pflanzjahr | int | Year the tree was planted.Year the tree was planted. |
| rechtswert | double | Easting coordinate of the tree's location.Easting coordinate of the tree's location. |
| hochwert | double | Northing coordinate of the tree's location.Northing coordinate of the tree's location. |
| wkb_geometryWkb geometry | geometry | Geographic location of the tree as spatial geometry.Geographic location of the tree as spatial geometry. |
Schema captured from wfs 22 days ago.
Query the data
Pick columns and a sort, then fetch a live preview straight from the source. Choose an API-filterable column (marked ▾) under “Where” to pick from its list of values.
Sample data (3 records)
Record 1objekt: Waldfriedhof (10) · baumart: Nadelbaum
{
"objekt": "Waldfriedhof (10)",
"baumart": "Nadelbaum",
"gattung": "Taxus baccata, Gemeine Eibe",
"hochwert": 5625603.673380041,
"objectid": 7975,
"baumhoehe": 10,
"baumnummer": " 2460",
"pflanzjahr": null,
"rechtswert": 296062.1585594134,
"stammumfang": 50,
"stammdurchmesser": 16,
"baumartschluessel": "1060",
"kronendurchmesser": 10
}Record 2objekt: Buchweg (1578) · baumart: Laubbaum
{
"objekt": "Buchweg (1578)",
"baumart": "Laubbaum",
"gattung": "Corylus avellana, Waldhasel",
"hochwert": 5627850.379579331,
"objectid": 7976,
"baumhoehe": 5,
"baumnummer": " 110",
"pflanzjahr": null,
"rechtswert": 290508.3661892852,
"stammumfang": 390,
"stammdurchmesser": 124,
"baumartschluessel": "1070",
"kronendurchmesser": 5
}Record 3objekt: Friedhof Kolpingstr. (874) · baumart: Laubbaum
{
"objekt": "Friedhof Kolpingstr. (874)",
"baumart": "Laubbaum",
"gattung": "Fraxinus excelsior, Gemeine Esche",
"hochwert": 5626219.402999998,
"objectid": 7981,
"baumhoehe": 22,
"baumnummer": " 810",
"pflanzjahr": null,
"rechtswert": 300269.08799999964,
"stammumfang": 267,
"stammdurchmesser": 85,
"baumartschluessel": "1070",
"kronendurchmesser": 12
}Live sample captured at profiling time — values may have changed upstream.
Verification Status
Using the API
Query examples
curl -s 'http://geoserver.aachen.de/opendata/baumkataster_planansicht/ows?service=WFS&version=2.0.0&request=GetCapabilities' -H 'Accept: application/json'List the feature types (layers) and supported operations.
Dataset
Volume & freshness
License
No license declared upstream.
Machine-readable & source
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