EPSG:4326 and not EPSG:4979?
Cheers
James
> -----Original Message-----
> From: geopriv-bounces@ietf.org [mailto:geopriv-bounces@ietf.org] On
Behalf
> Of Thomson, Martin
> Sent: Tuesday, 9 June 2009 2:55 PM
> To: geopriv@ietf.org
> Subject: Re: [Geopriv] [geopriv] #8: Altitude type of 0 == no altitude
>
> I'll offer my opinion.
>
> Offering a way of stating that altitude is not known is useful. The
> document should register altitude type of 0 and register the meaning
to
> indicate that the altitude is not known (note: this does not mean that
> altitude = 0, any more than it indicates an altitude of 35,000km).
>
> Information on the implications of choosing to include no altitude
should
> be included in the description of each datum (including its impact on
the
> EPSG code and URN). GML conversion examples should note the impact of
> this attribute.
>
> This opinion is extracted from draft-thomson-geopriv-3825bis. Text
from
> that document can be used to address this issue if this opinion is
> supported by the consensus of the working group.
>
> --Martin
>
> > -----Original Message-----
> > From: geopriv issue tracker [mailto:trac@tools.ietf.org]
> > Sent: Tuesday, 9 June 2009 2:26 PM
> > To: Thomson, Martin
> > Cc: geopriv@ietf.org
> > Subject: [geopriv] #8: Altitude type of 0 == no altitude
> >
> > #8: Altitude type of 0 == no altitude
> >
---------------------------------------+-------------------------------
> > -----
> > Reporter: martin.thomson@andrew.com | Owner:
> > Type: defect | Status: new
> > Priority: major | Milestone:
> > Component: rfc3825bis | Version:
> > Severity: - | Keywords: altitude
> >
---------------------------------------+-------------------------------
> > -----
> > RFC 3825 seems to indicate that an altitude type of 0 indicates
that
> > there
> > is no altitude defined. This needs to be clearer in the bis.
> >
> > Q: is altitude type 0 valid?
> >
> > Q: what meaning is attached to altitude type 0?
> >
> > Q: what is the impact of having no altitude on the existing datum
> > definitions?
> >
> > --
> > Ticket URL: <http://trac.tools.ietf.org/wg/geopriv/trac/ticket/8>
> > geopriv <http://tools.ietf.org/geopriv/>
> >
>
>
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