[talk-ph] Philippines PGS coastline import

[maning sambale]

I believe IanHaylock did a lot of offline editing (for duplicates and
corrected coastlines) before this upload.
He mentioned it to me off-list.

@ IanHaylock, can you clarify this here?

On Tue, Jun 9, 2009 at 11:49 AM, Eugene Alvin Villar<seav80 at gmail.com> wrote:
> Hmmm... I think we should treat this like any other import (like the
> recently-discussed Palawan data).
>
> In lots of areas, the coastline has already been adjusted from the
> SRTM-based coastline before using the Landsat imagery in Yahoo. PGS is based
> from Landsat so in these areas, the PGS might not be significantly better.
>
> In other areas, the jagged SRTM-based coastline still exists so PGS would be
> better. While in other areas, the coastline has been traced using the
> high-resolution satellite imagery in Yahoo! (for Metro Manila and Davao) so
> PGS would definitely by worse.
>
> I think we should convert this to GPX and let people using JOSM and
> Merkaartor manually import/replace. (I don't think this GPX file should be
> included in the main OSM GPX database.)
>
>
> On Tue, Jun 9, 2009 at 9:31 AM, maning sambale <emmanuel.sambale at gmail.com>
> wrote:
>>
>> How do we know which one is pre_pgs and pgs_import?
>> AFAIK, most of Luzon mainland has better coastline than PGS.
>> Especially around Metro Manila and and the west coast.
>>
>> http://www.openstreetmap.org/?lat=16.2067&lon=120.042&zoom=14&layers=B000FTFT
>>
>> Thanks!
>>
>>
>> On Tue, Jun 9, 2009 at 9:23 AM, Ian Haylock<haylocki at yahoo.co.uk> wrote:
>> > Hi,
>> >
>> > I have the PGS coastline import just about ready to upload.
>> >
>> > My suggestions about doing this are :
>> >
>> > 1 Everyone stops working on the coastline until the upload is complete.
>> >
>> > 2 When Cloudmade does its next update for the Philippines. Download this
>> > file and tag all the current coastline data with a tag such as
>> > "note:pre_pgs_import_2009".
>> >
>> > 3 Tag the new PGS coastline with "source:pgs_import_2009"
>> >
>> > 4 Upload the PGS coastline.
>> >
>> > Cheers, Ian
>> >
>> > _______________________________________________
>> > talk-ph mailing list
>> > talk-ph at openstreetmap.org
>> > http://lists.openstreetmap.org/listinfo/talk-ph
>> >
>> >
>>
>>
>>
>> --
>> cheers,
>> maning
>> ------------------------------------------------------
>> "Freedom is still the most radical idea of all" -N.Branden
>> wiki: http://esambale.wikispaces.com/
>> blog: http://epsg4253.wordpress.com/
>> ------------------------------------------------------
>>
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>
>
>
> --
> http://vaes9.codedgraphic.com
>



-- 
cheers,
maning
------------------------------------------------------
"Freedom is still the most radical idea of all" -N.Branden
wiki: http://esambale.wikispaces.com/
blog: http://epsg4253.wordpress.com/
------------------------------------------------------