I'm actually knee deep in this stuff right now (geoserver's reference to
schemas) so I can try to keep track of fixing this in the geoserver-trunk
codebase.
Hey Saul, (& Justin)
have been working on aspects of this stuff too, since we access cached
copies of schemas in order to derive a feature type descriptor for the
community-schemas support.
Have been musing on a few strategies for doing this, as its likely that
a few schemas will be widely re-used - GML base, ISO19139 and the
Observations & Measurements patterns, and probably things like INSPIRE
or FGDC base classes which may introduce things like versioning
metadata, lifecycle management of objects erc.
Anyway, one thought would be to enable the use of OASIS catalogs in the
parser, so that we dont have to modify any references to point to local
cached copies, we have an OASIS catalog file to do this job. Later, we
cold potentially use this as part of a fetch and cache mechanism during
condifuration (point at an external schema rather than manually add it
to the file system, to get closer to the ideal of UI based config for
everything.
Anyway, if your thoughts intersect, let me know, I'd at least be able to
point you to some unit tests with real schemas.
Rob
--saul
Jody Garnett wrote:
So Chris can we assume since your name is in the ReadMe.txt that
GeoServer is ready for the change on September 4th? Justin do you need
to run your gml2 parser against this stuff? It looks like they may just
redirect after September 4th.
Jody
Frank Warmerdam wrote:
Frank,
Can you pass this along to OSGeo folks. For more technical
information see the gml/2.1.2* readme.txt files.
* http://schemas.opengis.net/gml/2.1.2/ReadMe.txt
* http://schemas.opengis.net/gml/2.1.2.1/ReadMe.txt
* http://schemas.opengis.net/gml/2.1.2.0/ReadMe.txt
Thanks,
kevin
-------- Original Message --------
Subject: [OGC Newsflash] The OGC Announces Corrigendum Release for
Geography Markup Language (GML) Version 2.1.2
Date: Thu, 30 Aug 2007 15:21:05 -0400 (EDT)
From: OGC Press Release <[EMAIL PROTECTED]>
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
PRESS ANNOUNCEMENT FOR IMMEDIATE RELEASE
For information about this announcement, contact:
Sam Bacharach
Executive Director, Outreach and Community Adoption
Open Geospatial Consortium, Inc
tel: +1-703-352-3938
[EMAIL PROTECTED]
-----------------------------------------------------------------------
30 August 2007 -- Wayland, Mass. -- On 4 September 2007, the Open
Geospatial Consortium, Inc. (OGC) will release a corrigendum to fix
problems in the GML 2.1.2 schemas. The changes include changing the
official schema location to http://schemas.opengis.net and fixing the
other minor changes to the schemas so they validate by conformant
processors. The ReadMe lists additional changes.
(http://schemas.opengis.net/gml/2.1.2.1/ReadMe.txt)
This implementation of Corrigendum 1 for GML 2.1.2 schema fix (OGC
06-189) will create a new version of GML versioned 2.1.2.1. Note that
GML 2.1.2 will always be the latest of the GML 2.1.2.x versions. In
other words, this update will result in GML 2.1.2.1 being hosted
(symlink) at gml/2.1.2/.
These changes will go live on 4 September 2007. Any applications that
rely on the online schemas may be affected. If you wish to maintain
your own local copy of the schemas to use with your own applications,
a bundled archive is available from http://schemas.opengis.net/.
A preview of the planned update is available at
http://schemas.opengis.net/gml/2.1.2.1/.
As of 4 September, the following URLs will apply:
- http://schemas.opengis.net/gml/2.1.2/ -- latest version (2.1.2.1)
- http://schemas.opengis.net/gml/2.1.2.0/ -- GML 2.1.2 (02-069)
- http://schemas.opengis.net/gml/2.1.2.1/ -- GML 2.1.2 cor 1 (06-189)
Technical questions can be addressed to the OGC Chief Technology
Officer, Dr. Carl Reed, at [EMAIL PROTECTED]
The OGC® is an international industry consortium of more than 350
companies, government agencies, research organizations, and
universities participating in a consensus process to develop publicly
available interface specifications. OpenGIS® Specifications
support interoperable solutions that "geo-enable" the Web,
wireless and location-based services, and mainstream IT. The
specifications empower technology developers to make complex spatial
information and services accessible and useful with all kinds of
applications. Visit the OGC website at http://www.opengeospatial.org.
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