GeoCommons Data registration API

Link to URL datasource

Finder can register data source URL's from the internet or a network. This allows users to define data sources that will be continually updated, aggregated and archived in GeoCommons.

To register a datasource, provide the URL to a file type that is supported in GeoCommons and POST using the overlay[wild_url] parameter to /overlays.xml.

curl -i -X POST -u "yourusername:yourpassword"  -d "overlay[wild_url]=http://earthquake.usgs.gov/eqcenter/catalogs/1day-M2.5.xml" http://finder.geocommons.com/overlays.xml


URL's can only be registered once in GeoCommons. So if the URL has already been registered by a user, you will receive a redirect to this existing Overlay. You can make a copy of that overlay if you want to modify the metadata.

Data sources are automatically updated periodically depending on the frequency of updates in the data and availability of the service and aggregation server.

Ping updates

It is possible to ping the GeoCommons server explicitly when new updates are available. Ping updates are only possible by the owner or authorized users of the registered data source, or URL.

Send an authenticated GET request to the overlay that you want updated. When a request is made, the aggregation is queued and will be updated as soon as possible:

curl -i -X GET -u "yourusername:yourpassword" http://finder.geocommons.com/overlays/#{id}/fetch

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