[OSGeo-Standards] Format for sharing gis data models.

Carl Reed creed at opengeospatial.org
Fri Aug 14 11:31:38 EDT 2009

Landon -

Are you familiar with LandXML?



----- Original Message ----- 
From: "Sunburned Surveyor" <sunburned.surveyor at gmail.com>
To: <standards at lists.osgeo.org>
Sent: Tuesday, August 04, 2009 1:35 PM
Subject: [OSGeo-Standards] Format for sharing gis data models.

> I'm a fan of GIS data models:
> http://support.esri.com/index.cfm?fa=downloads.datamodels.gateway
> I think I like them because ESRI does such a nice job on the posters.
> :] However, a poster isn't useful for much beyond communicating the
> structure of a GIS data model visually. I'd like to find/define a
> format that would allow a GIS data model to be described in a more
> structured way. I was thinking of an XML file that would describe each
> of the following in the data model:
> - Spatial Features (Example: Land Parcel)
> - Non-Spatial Entities (Example: Parcel Owners)
> - Relationships (Example: Parcel Owner To Land Parcel)
> - Temporal Events (Example: Parcel Subdivision Event)
> - Required Policies (Example: Metadata Policy)
> The idea is to create a definition of a GIS data model that would be
> structured enough to allow:
> - The creation of open source GIS data model viewers/editors.
> - Automated creation of GIS layers/database tables based on a GIS data
> model definition.
> - The swapping of common GIS data model components between GIS data 
> models.
> - Validation of GIS data models for compliance with some standard for
> GIS data model design.
> Is there any interest in this among the OSGeo standards crowd?
> I'm working on a GIS data model right now for the Public Land Survey
> System in the United States as part of a volunteer project with my
> local land surveyors association. I'm very interested in coming up
> with a standard format I can use to document my GIS data model, and
> other models I hope to work on in the future. I'd like to get other
> people involved in the creation of a standard GIS data model format if
> there was enough interest.
> Landon
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