[OSM-talk-ie] Letterkenny alignments (and Talk-ie archive search)
donal.hunt at openstreetmap.ie
Fri Apr 9 12:13:38 UTC 2021
This has been something we have been discussing within the board since it
impacts map quality and ability for new people to join the project. Dermot
has been exploring the use of RTK GPS which gives very accurate results.
Idea would be to have the community maintain a set of verified GPS traces
that imagery can be aligned to now and in the future.
On Fri 9 Apr 2021, 12:55 Nick Burrett, <nick at sqrt.co.uk> wrote:
> Is there a way we can reliably create survey points around the country that
> could be used to reliably align imagery?
> We used the Blessington Street Basin for Yahoo imagery, for example.
> On Fri, 9 Apr 2021, 12:46 Tony Furnell, <tonyfurnell at gmail.com> wrote:
> > Hi,
> > Is anyone aware of the alignment disparities in Letterkenny? Any time I
> > make edits around there it's a bit of a minefield as large amounts of it
> > appear to be to an alignment that must have been correct at some stage,
> > is currently way off all aerial imagery. To confuse matters, various
> > sections of it have been moved to align with current imagery (I expect
> > because most of the approaching road network aligns with current
> > Not sure whether anyone else is already attempting to fix this one way or
> > another, so I don't really want to weigh in without some background - but
> > it makes mapping in the area very difficult. Suggestions welcome :-)
> > Related to this, I had hoped to search the talk-ie archives to see
> > this has already been discussed some time, but the archives (
> > https://lists.openstreetmap.org/pipermail/talk-ie/) don't appear to be
> > searchable... is there a method that I'm missing?
> > Many thanks
> > --
> > Tony Furnell
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