[ckan-dev] GIS dataset import

[Cliff Ingham]

Thanks for the pointers.  The fog has cleared some.  So, it sounds like
we do actually put the data into ckan, and not just metadata.

In other words, we need to find some way to export 3G of spatial and
relational data from our GIS system into one of these formats?  Then
load the exported data into CKAN as a dataset.

Of these, it looks like only GeoJSON has support for both the spatial
and the relational properties.

On 01/14/2014 04:36 PM, Philippe Duchesne wrote:
> Hello David, Cliff,
> 
> FYI, a fork of ckanext-spatial done for openbelgium.be has support for
> WFS,WMS,KML,GML,GeoJSON,ArcGIS and Google Fusion Tables.
> 
> You can have a look at
> http://portal.openbelgium.be/dataset/geospatial-testfor a demo.
> 
> The code is still in beta stage, but available at
> https://github.com/pduchesne/ckanext-spatial/tree/OL3_VIEWER
> 
> best,
> 
> --p.
> 
> 
> On Tue, Jan 14, 2014 at 5:52 PM, David Read
> <david.read at hackneyworkshop.com>wrote:
> 
>> 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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> 
> 
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