[talk-ph] excellent work in subic and ormoc

maning sambale emmanuel.sambale at gmail.com
Mon Jan 12 05:28:29 GMT 2009

I will communicate this to the respective mappers.

On Mon, Jan 12, 2009 at 12:59 PM, D Tucny <d at tucny.com> wrote:
> 2009/1/12 D Tucny <d at tucny.com>
>> 2009/1/12 maning sambale <emmanuel.sambale at gmail.com>
>>> Just found excellent updates in two areas:
>>> Subic/Olongapo:
>>> http://www.openstreetmap.org/?lat=14.8266&lon=120.2912&zoom=14&layers=0B00FTF
>>> It looks like Olongapo is pretty much covered.  The editor is Deck
>>> Antonio.
>>> @ Deck are you on this list?  Great work!  May I know your data
>>> source?  AFAIK, there are no high-res sat in that area.
>>> Is this really entirely on gpx?
>>> http://www.openstreetmap.org/user/Deck%20Antonio/traces/290144
>>> Wow!
>> I'm very concerned about that to be honest... The GPX file isn't from a
>> GPS by the looks of it, it's created by an application called ExpertGPS,
>> and, contained within it are panaramio points and descriptions of paths and
>> polygons, which together suggest that potentially it was originally a google
>> earth exported kml that has been converted with ExpertGPS to a GPX file...
>> Google does have high res views of the area... If you download that GPX file
>> and open it in google earth, you'll see that the track almost exactly
>> followings the road layout and that buildings and areas are an exact match
>> to the google imagery... this is BAD...
> Much of the area was done by user 'Rally', notes made on nodes and ways
> as...
> contributor='Waypointsdotph; Rally de Leon'
> source='Rally de Leon pre-aligned GPS Trackmaker file'
> So, it appears that that data is largely imported from another source too,
> and there is detail in there that can't be attributed to that user's
> uploaded tracks or usable aerial imagery... In fact, certain features are
> reproduced in such detail, considering there positions, that it would be
> very unlikely that they could have been produced without aerial imagery,
> and, infact, seems to effectively match the available google imagery...
> I'm sorry to say, but, I think all this data will probably have to be
> removed unless a valid source can be documented...
> d

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