[Gdal-dev] Looking for huge vector dataset

Martin Daly Martin.Daly at cadcorp.com
Wed Mar 7 08:00:23 EST 2007

> GML driver in OGR does not utilise any XML Schemas for GML:
> "In contrast to most GML readers, the OGR GML reader makes no 
> effort to read the format XML Schema definition of the 
> feature classes in a GML file. Instead it attempts to 
> automatically discover them and their associated properties 
> by scanning the file and looking for "known" gml objects in 
> the gml namespace to determine the organization. While this 
> approach is error prone, it has the advantage of working for 
> GML files even if the associated schema (.xsd) file has been lost."

I was aware of that thanks, and of the limitations of that approach: as
I know Frank is too.

I was more (selfishly) concerned for those of use who have implemented
schema-aware parsers.


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