--- On Fri, 12/6/09, Liz wrote:
> I think that often the amount was greater than 10
> metres.
Now that you helped me to figure out relations I'm finally able to fix up the
NSW/QLD border into 1 bondary instead of 2 wrong ones, the ABS boundary is in
places 80-120m off the 29 degree south mark
On Fri, 12 Jun 2009, Delta Foxtrot wrote:
> --- On Fri, 12/6/09, Liz wrote:
> > I'll ask the offspring. He is 7/8 of a surveyor
> > with one semester to go!
>
> Can you also ask the bearing the drift is going, all I've been able to find
> out is approx north or north north east, but haven't been a
On Sat, 13 Jun 2009, Franc Carter wrote:
> Yes, back in my early osm days I yahoo'd Saint Clair in Western Sydney,
> only to fin much
> later when I went out with a gps that the alignment was really bad ;-(
Can't locate the place right now - it was somewhere between Penrith and
Campbelltown.
--
Yes, back in my early osm days I yahoo'd Saint Clair in Western Sydney, only
to fin much
later when I went out with a gps that the alignment was really bad ;-(
On Fri, Jun 12, 2009 at 9:43 PM, Liz wrote:
> On Fri, 12 Jun 2009, Delta Foxtrot wrote:
> > > I've come to the realisation that every ro
On Fri, 12 Jun 2009, Delta Foxtrot wrote:
> --- On Fri, 12/6/09, Liz wrote:
> > I'll ask the offspring. He is 7/8 of a surveyor
> > with one semester to go!
>
> Can you also ask the bearing the drift is going, all I've been able to find
> out is approx north or north north east, but haven't been a
--- On Fri, 12/6/09, Liz wrote:
> But we can improve the accuracy over time as DF notes.
Well according to wikipedia, there are 31 US NAVSTAR sats broadcasting, the
chinese are planning to put up 35, the europeans are planning 27 and the
russians plan to have their system back up to 30 by 201
On Fri, 12 Jun 2009, Delta Foxtrot wrote:
> > I've come to the realisation that every road (and
> > everything that was placed in reference to the roads) in the
> > suburb where I live is out by about 8-10m. Much of
> > Brisbane's road system seems to have been traced off the
> > Yahoo imagery, app
--- On Fri, 12/6/09, James Livingston wrote:
> Unless you have a known point of reference, clearly visible
> in the imagery and placed via something accurate (i.e. gps),
> they can be out a fair bit.
You can also get into datum issues, OSM uses WGS84, which differs from DGA94 by
about 1m at p
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