This is the last note of the holiday season. I wish all of our readers the best for this holiday and for the months to come in 2006. I think it will prove to be a good year for . . . → Read More: Dynamic

With all of the discussion of GML and KML one might lose sight of some of the many applications of GML that are outside the commercial and consumer domain – applications which nonetheless have a big impact on our . . . → Read More: GML in the cockpit

SDI = Spatial Data Infrastructure. Every national government seems to have one. We even talk of a GSDI (Global) – but there have been few if iany realizations. What do we mean by SDI? How close are we to . . . → Read More: SDI – What is it really?

You may have noticed that different geospatial applications have developed a variety of different formats (see Is GML a format?) – VPF/VMAP for military data, S-57 for oceanographic and ENC data, numerous national data formats, and formats which depend . . . → Read More: GML is the same for all applications

Lots of discussion has taken place as to the role of GML Application Schemas and GML profiles and a lot of this discussion has been misleading as the two items are often confused with one another.

GML Application . . . → Read More: Schemas and Profiles – whats the difference?

One of the aspects of GML that often receives comment is that of GML application schemas.  For some reason many people in GIS and Cartography find this notion either complex or strange or both.  This is so, in spite . . . → Read More: Schemas – why the big deal?

Perhaps you thought GML was only for vectors? Well think again. A new specification recently endorsed at the OGC (Open Geospatial Consortium) takes GML solidly into the world of imagery.

GML Coverages:

Of course, you may already . . . → Read More: GML for Geographic Imagery

Various other blogs have been making comparisons between GML and KML.  Such discourse is interesting, however, I think that most of them miss the point.  Comments like KML is light and GML is heavy -  or "I was like . . . → Read More: GML, and KML – Why the fuss?

One often hears the term "data format" without much discussion as to what it means. People talk about converting from one format to another even when they express distinctly different semantics – for example "the conversion from Shape format . . . → Read More: Is GML a format?

It seems that there are many people who would like to use GML in a non-GML grammar but are not sure how to do it.  This note is offered as a suggested best practice.

GML follows the so . . . → Read More: Embedding GML in “foreign” grammars