Reverse Geocoding

[Claudio Siegenthaler]

Hi There!

is it possible to reverse encode locations over the api? I could not find an example or something in the documentation...

somehow like:

https://api3.geo.admin.ch/rest/services/ech/SearchServer?searchText=46.000000000000000,7.456900000000000

and then receive address/location information about the place: gemeinde, kanton, street, etc...

Best,

Claudio 

[rob...@redo2oo.ch]

I once had something like this for several 100 000 points.

If I remember correctly, it is some 15 years ago, I used google maps for it ...

robert

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[GeoAdminCh API]

Hi Claudio

Probably this is, what you are looking for: https://api3.geo.admin.ch/services/sdiservices.html#examples-of-reverse-geocoding

An example query taken from that docu, where you get information like address, etc. for a queried coordinate pair:

https://api3.geo.admin.ch/rest/services/api/MapServer/identify?mapExtent=0,0,100,100&imageDisplay=100,100,100&tolerance=1&geometryType=esriGeometryPoint&geometry=600968.625,197426.921875&layers=all:ch.bfs.gebaeude_wohnungs_register&returnGeometry=false

Hope that helps!
Best regards

Juergen

[Claudio Siegenthaler]

Hi Jurgen,

yes thanks, basically this is it. playing around with your example, I post here an option for lv95 and wgs84, in case someone can re-use it:

wgs84: https://api3.geo.admin.ch/rest/services/api/MapServer/identify?geometryType=esriGeometryPoint&returnGeometry=false&sr=4326&geometry=7.456901075,46.946662916&imageDisplay=0,0,0&mapExtent=0,0,0,0&tolerance=0&layers=all:ch.swisstopo-vd.geometa-gemeinde

lv95: https://api3.geo.admin.ch/rest/services/api/MapServer/identify?geometryType=esriGeometryPoint&geometry=2601390.822,1199508.775&imageDisplay=100,100,100&mapExtent=0,0,100,100&tolerance=5&layers=all:ch.swisstopo-vd.geometa-gemeinde&returnGeometry=false&sr=2056

in the lv95 example I used the tolerance parameter together with imageDisplay and mapExtent to sharpen the results

in case streetnames, zipcodes and housenumbers are necessary, consider using the layer all:ch.bfs.gebaeude_wohnungs_register (like Jurgen did) instead of all:ch.swisstopo-vd.geometa-gemeinde

Thanks and Best Regards,

Claudio