[Imports] Proposed import: Geelong building data

Daniel O'Connor daniel.oconnor at gmail.com
Sat Dec 28 01:24:59 UTC 2013

Unfortunately there's not a wealth of GPS traces in the area, but Andrew
Geeson (http://www.openstreetmap.org/user/geesona) is both a local and
fairly active mapper who is already populating a lot of buildings in the

Part of the plan to ensure there is an accurate data set is to collect a
number of GPS traces, and focus on areas known to Andrew first.

While there is an offset, it's quite hard to decide on what's most accurate
- the LIDAR + photogrammetry that has taken place in the production of the
original data is presumably verified by the local government using it to
physically inspect areas.
I'd probably trust this more than bing, simply because it's more important
for the local government to have accurate data than it is for a US based
mapping division.

On Sat, Dec 28, 2013 at 9:18 AM, Paul Norman <penorman at mac.com> wrote:

> If the buildings are correct in their locations it would be wrong to move
> them to a false position.
> What does GPS data indicate?
> *From:* Eric Ladner [mailto:eric.ladner at gmail.com]
> *Sent:* Friday, December 27, 2013 1:30 PM
> *To:* Daniel O'Connor
> *Cc:* imports at openstreetmap.org
> *Subject:* Re: [Imports] Proposed import: Geelong building data
> Yes, yes.. everything will be offset from reality by 2 meters, but that's
> probably better than some things offset and some things not.
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