[postgis-users] GML > PostGIS
mbdavis at refractions.net
Wed Jan 7 12:00:58 PST 2009
Glad you found a solution, Peter. Just out of interest, do you have any
sample *GML documents* you can post?
I have to say, that schema looks pretty complicated. Are you hoping to
load the attribute values as well? No doubt ogr can handle this - but I
wouldn't call it a "simple exercise" to code that up!
Peter Brewer wrote:
> Thanks for the prompt reply.
> The schema is being developed and is open to suggestions. At the
> moment we are keeping it ultra simple and just specifying the
> following element in the relevant locations:
> <xs:element name="locationGeometry">
> <xs:element ref="gml:Point"/>
> <xs:element ref="gml:Polygon"/>
> The full schema is at: http://tridas.org/1.0/tridas.xsd
> I know it would be pretty simple to parse gml:Point and gml:Polygon
> myself, but I'd rather not reinvent the wheel. Besides, I imagine
> that in the future we'll extend the schema to support full SF-GML so I
> was hoping someone would have already written a SF-GML>PostGIS converter.
> Best wishes
> Martin Davis wrote:
>> Do you have a fixed schema? Can you post an example GML document?
>> Peter Brewer wrote:
>>> Hi All,
>>> I'm writing a webservice that reads and writes (amongst other things)
>>> location data to/from a Postgres/PostGIS database.
>>> Outputting the data as GML from the database is easy using the asGML()
>>> PostGIS function. What I'm pondering over is how to write data to the
>>> database when sent by the user in GML format.
>>> GDAL/OGR doesn't seem to allow GML > PostGIS conversion. Any ideas how
>>> I can do this? I'm restricting users to the 'Simple Features'
>>> subset of
>>> GML so I only need to be able to write points, lines and polygons to
>>> database. Am I really stuck with parsing the GML myself and writing
>>> PostGIS SQL statements? It doesn't seem enormously difficult so I'm
>>> wondering why there isn't a library to do this already.
>>> Any help or pointers much appreciated
>>> postgis-users mailing list
>>> postgis-users at postgis.refractions.net
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> postgis-users at postgis.refractions.net
Senior Technical Architect
Refractions Research, Inc.
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