GIS OGC Technology Thoughts now with added GeoRSS

Another one of those things I have been meaning to do for ages, was to implement GeoRSS in the feed for This has been more frustrating that I would have liked, but it now works.

GeoRSS support

Why the frustration, firstly there are three favours of GeoRSS, Simple and GML which you will find documented at the GeoRSS website and the so-called W3C Geo standard which for historic reasons is also widely used.

So I started initially using the GML encoding only to find there are very few readers which work with it, so OK back to the simple version and a little greater success.

So I guess we are still at the walking rather than running stage for GeoRSS, buts its great to see the major traditional GIS vendors as well as GYM beginning to adopt this approach.

This has value way beyond blogging and putting pins on web maps however, I think there is great potential for GML encoded GeoRSS to offer a realistic alternative to the Web Feature Server as a mechanism for supplying changed feature data in a change only update service.

We often talk in terms of users subscribing to a service for updated data, well GeoRSS seems to be designed for just this purpose.

To learn more watch the GeoRSS blog and all credit to Mikel for his GeoRSS google map plug-in which was used to produce the map above.

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