On Thu, Oct 14, 2010 at 5:26 AM, Tara Athan <[email protected]> wrote:
> Andrea- I assume when you mean "all the info inline in the xml file" you
> mean the mapping file and schema (because the other xml files can already be
> configured with the existing GUI).
I mean being able to refer a data store already known to the GeoServer
catalog either by name or by id.
Instead of setting up something like:
<sourceDataStores>
<DataStore>
<id>mypg</id>
<parameters>
<Parameter>
<name>dbtype</name>
<value>postgisng</value>
</Parameter>
<Parameter>
<name>host</name>
<value>localhost</value>
</Parameter>
<Parameter>
<name>port</name>
<value>5432</value>
</Parameter>
....
</parameters>
</DataStore>
</sourceDataStores>
Use something like:
<sourceDataStores>
<DataStore>
<id>mypg</id>
<repositoryStore>postgis-test</repositoryStore>
</DataStore>
</sourceDataStores>
where "postgis-test" is the name of a store I've already configured
via the GUI.
I haven't seen a way to do this so far, maybe I've missed it? :-)
> I am planning for my master's dissertation to develop a specialized
> app-schema extension that handles the configuration of the schema and
> mappings file for one-to-one mappings from a single resource, and then
> allows the user to add ClientProperties of observable and unit-of-measure or
> code-space. My plan is to have the user set up a conventional datastore,
> and then set up a derived data access - the GUI backend would extract a
> basic schema and mappings file from the preconfigured datastore resource, as
> you have suggested. Then the GUI would allow minor modifications for
> individual fields.
Hum, nice! The GUI would be the current GeoServer wicket GUI or are
you referring to another program?
> My motivation for developing this extension is to query across multiple
> feature/coverage stores by observable, and return a "harmonized" result (as
> wms, wfs or wcs), and draws on the thinklab opensource project. The GUI is
> just a bonus to lower the barrier for users to set up data accesses with
> semantic content.
>
> Following a recent request, I am thinking that including attribute aliases
> would be a minor addition, and useful from my perspective as well, allowing
> attributes labels to be more readable.
>
> Also based on Andrea's recent patches for mapping app-schema, I am working
> on getting the Openlayers view in layer preview working for app-schema, but
> I'm not quite there yet. The map preview should be possible for any
> app-schema layer, once I track the last few bugs down- its another
> qualified/unqualified name mismatch.
The preview was working for me with all the patches I issued last week
applied. But I did not try very hard, just had two very simple examples
(as simple as a complex feature can get ;-) )
> I was going to keep quiet about this until I had made a little more
> progress, but if Andrea keeps fixing bugs and suggesting improvements, it
> will all get done and I will have to change my dissertation topic :(
Don't worry, what I did last week was a weekend project, I'm not going
to push very much on this in the next few weeks (unless I get paid work
lining up in this direction, if that happens I won't have much of a choice).
Cheers
Andrea
-----------------------------------------------------
Ing. Andrea Aime
Senior Software Engineer
GeoSolutions S.A.S.
Via Poggio alle Viti 1187
55054 Massarosa (LU)
Italy
phone: +39 0584962313
fax: +39 0584962313
http://www.geo-solutions.it
http://geo-solutions.blogspot.com/
http://www.linkedin.com/in/andreaaime
http://twitter.com/geowolf
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