Subject: [Ecrit] RE: [Geopriv] specifying holes in polygons

From: "Winterbottom, James" <[email-masked]>
Date: Fri, 9 Feb 2007 15:27:54 -0600

Hi Carl,

Thanks for the offer. I was aware that GML could do it, and basically
how.
But if you example snippets that will save me from going and producing
some.

Thanks
James

> -----Original Message-----
> From: Carl Reed OGC Account [mailto:[email-masked]]
> Sent: Saturday, 10 February 2007 5:21 AM
> To: Winterbottom, James; ECRIT; GEOPRIV WG
> Subject: Re: [Geopriv] specifying holes in polygons
> 
> GML already supports the ability to identify exterior and interior
> boundaries.
> 
> "
> <Interior> elements (also known as island, holes, or doughnuts) can
also
> be
> expressed using GML. Interior elements can be expressed using:
> 
> 
> 
> <element ref="gml:interior" minOccurs="0" maxOccurs="unbounded" />"
> 
> 
> 
> I can provide example snippets if desired.
> 
> 
> Carl
> 
> 
> 
> 
> 
> ----- Original Message -----
> From: "Winterbottom, James" <[email-masked]>
> To: "ECRIT" <[email-masked]>; "GEOPRIV WG" <[email-masked]>
> Sent: Wednesday, February 07, 2007 10:29 PM
> Subject: [Geopriv] specifying holes in polygons
> 
> 
> > Hi All,
> >
> > I was updating the PIDF-LO profile draft when it occurred to me that
we
> > do not have any examples of how one might specify holes in a
polygon.
> > When you are specifying your own location, as is likely to be the
case
> > with a PIDF-LO, I am not convinced that this is a terribly useful
thing
> > to be able to do. When specifying a service boundary map I can see
that
> > it may be an essential thing to do.
> >
> > For example, I want to specify the boundary for Italy, but I want to
> > exclude the Vatican. This would be a hole.
> >
> > I considered putting this an appendix to PIDF-LO profile, but I
think
> > that it would be more useful in a document that talks about
specifying
> > service map boundaries and the associated schema for these
interchanges.
> > The closest document that I could find was
> > draft-schulzrinne-ecrit-lost-sync-00.txt.
> >
> > I would be interested in hearing what the rest of the community
thought
> > on this idea.
> > Cheers
> > James
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> > [mf2]
> >
> >
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> > https://www1.ietf.org/mailman/listinfo/geopriv
> >
> 

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