[ckan-dev] Importing ISO19139 from GeoNetwork via CSW

Thu Oct 4 10:30:45 UTC 2012

Hi Bruce,

On 2 October 2012 23:57, Bruce Crevensten <becrevensten at alaska.edu> wrote:

> Thanks very much, Adrià, this worked perfectly and I've successfully
> ingested the records from GeoNetwork.
>
> I'm quite happy about how the harvester sensibly mapped the fields from
> the ISO19115 schema in GeoNetwork to corresponding fields in CKAN (the
> Abstract became the description, and it created tags based on the Keywords
> -- nice!), using custom fields to capture geospatial and other specific
> information about the dataset.  This makes the CKAN API very useful, as I
> can easily fetch metadata for use in client applications, as well as add
> arbitrary additional key/value pairs -- that's not a strength of GeoNetwork.
>
> Great to hear that is working fine for you.

> Once I'm happy with the GeoNetwork <-> CKAN metadata correspondence, I'll
> explore some of CKAN's geospatial features.  We have a Mapserver /
> Tilecache system for serving tiles for online viewing of our data, and I'm
> interested in how CKAN may be able to take advantage of that -- especially
> if GeoNetwork can provision CKAN with enough information through the
> ISO19115 schema so that the harvester can configure the CKAN integration
> with little or no further work.  That'd be interesting.
>
> You may be interested in explore the WMS Preview plugin on the
ckanext-spatial extension [1]. It is a very basic OpenLayers based viewer
for visualizing WMS services (like the ones coming from CSW servers), maybe
it can give you some ideas to get started. As I said it is very basic and
we haven't worked on it for a while but maybe it is useful

[1] https://github.com/okfn/ckanext-spatial

Adrià

> On Tue, Oct 2, 2012 at 2:39 AM, Adrià Mercader <amercadero at gmail.com>wrote:
>
>> Hi Bruce,
>>
>> Sorry for the late reply, I've been away for some days.
>> Thanks a lot for you detailed report it is very useful.
>>
>>
>> On 27 September 2012 02:37, Bruce Crevensten <becrevensten at alaska.edu>
>> wrote:
>> > Am I encountering a known limitation of the harvester (not all
>> > namespaces/CSW sources can be harvested), or does this seem like a
>> > misconfiguration or other error on my part?
>> It seems that we added a change a while back that hardcoded the 'gmi'
>> namespace on the getrecordbyid request we are performing. As your CSW
>> server is probably using 'gmd' one, the requests were failing.
>> I've reverted the change and add a small modification to the model and
>> after that the records from your server were harvested fine. Please
>> pull the latest changes from the 'harvest-generic-iso' branch of
>> ckanext-inspire, restart the consumers and try again.
>> Moving one, we should find a way of supporting documents with both
>> gmd:MD_Metadata or gmi:MI_Metadata root elements (ISO 19115 and ISO
>> 19115-2 if I'm not mistaken).
>> As I mentioned, this is an area we are currently working on, so this
>> feedback is hugely useful, thanks again!
>>
>>
>> > (And, thank you all for your collective work on CKAN, the various
>> > extensions, and your helpful replies to my question on the
>> > ckan-discuss list.  This is an impressive project, and I am glad to
>> > have encountered it.)
>> We are glad it can be useful
>>
>>
>> Cheers,
>>
>> Adrià
>>
>>
>> >
>> > - Bruce
>> >
>> > --
>> >
>> > Bruce Crevensten, Web Programmer
>> > Scenarios Network for Alaska & Arctic Planning
>> > 3352 College Road, 2nd Floor Denali Building
>> > Fairbanks, AK 99709
>> > Phone: 907-474-7134
>> > Fax: 907-474-7151
>> > www.snap.uaf.edu
>> > becrevensten at alaska.edu
>>
>
>
>
> --
> *
> *
> *Bruce Crevensten, Web Programmer
> *
> Scenarios Network for Alaska & Arctic Planning
> 3352 College Road, 2nd Floor Denali Building
> Fairbanks, AK 99709
> Phone: 907-474-7134
> Fax: 907-474-7151
> www.snap.uaf.edu
> becrevensten at alaska.edu
>
>
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