[ckan-dev] GIS dataset import

Tue Jan 14 16:52:52 UTC 2014

Cliff,

CKAN's datastore can store GIS data files like any others. The service
you then want to provide is the ability to preview them.

data.gov has a previewer that I think should cover KML, and I don't
think it would be too hard to develop it to show GeoJSON and
Shapefiles too (since I believe OpenLayers supports these). Perhaps
OKF people can find a dataset as an example, because I couldn't find a
KML file with a quick look.

The other way geodata is often provided is via a WMS or WFS server
(rather than as a downloadable file). CKAN is not ideal for serving
this data. But data.gov.uk has developed a WMS viewer for CKAN and it
is easily extended to WFS. I believe OKF has recently done a similar
tool.

David

On 13 January 2014 18:22, Cliff Ingham <inghamn at bloomington.in.gov> wrote:
> We're looking at publishing all of the GIS data for our city.  Am I
> correct in thinking that CKAN is built for this, or is CKAN only for the
> metadata about our GIS data?
>
> Importing GIS data files as datasets has not been going very well.  I'm
> thinking we're doing it wrong.
>
> --
> Cliff Ingham
> http://www.ohloh.net/accounts/inghamn
> -------------------------------------
> "If debugging is the process of removing software bugs, then programming
> must be the process of putting them in."
> -- Edsger Dijkstra
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