[GRASSLIST:7615] Re: [GRASS5] GML output details?

[Radim Blazek]

On 7/18/05, Bart <scarfboy at gmail.com> wrote:
> Hey all,
> 
> Does anyone know whether there is a specification of the GML that
> v.out.ogr outputs? I know this is more an OGR question, but I'm not
> entirely sure what's responsible for what, with the olayer-named
> element and the cat, str1 and label elements, which don't seem to be
> GML or OGR since they're in neither namespace.
> 
> I mainly want to know the extent of possibilities within each
> gml:featureMember, really, since I'm writing a simple parser for this
> output.

The geometry can only be point, lineString or polygon. 
No multi* or collection. One type for the whole output, 
that can (should) change in future.

> Particularly the non-namespaced elements (I'll try to find the format
> of gml:feats, though an URL would be appreciated), and preferably also
> things like if/how multiple categories are handled, what the

If a geometry has assigned more categories of the same layer, 
a feature is created for each category, i.e. the geometry isduplicated
in output.

Radim

> difference between a label and if/when there is a str1 or even str2.
> 
> Thanks,
> --Bart
> 
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