[talk-ph] better ways to coordinate coastline mapping?

maning sambale emmanuel.sambale at gmail.com
Sun Jul 4 10:48:48 BST 2010


I can load it in my public dropbox.

On Sun, Jul 4, 2010 at 2:23 PM, Eugene Alvin Villar <seav80 at gmail.com> wrote:
> Hi guys,
>
> Once we are done with the large islands, the next step is to do the smaller
> islands. Ian Haylock has helpfully provided the PGS coastlines[1] for the
> Philippines last year[2] which he edited to combine ways. PGS itself was
> automatically generated by a software by analyzing the Landsat imagery.
> Unfortunately, Ian's file was hosted on a free file server and has now
> expired but I think several people on the mailing list managed to download
> it.
>
> I tried opening the file last year in Merkaartor but my old laptop couldn't
> handle the data. Now that I have a 4GB-RAM laptop, loading the data into
> Merkaartor is very manageable. Using the PGS coastlines is much, much easier
> than tracing Landsat by hand. I tried this with Homonhon Island and editing
> is way faster than actually uploading it[3]. Hehehe. What I did was to
> delete the SRTM-derived coastline[4] and replace it with the PGS
> coastline[5].
>
> I think uploading the PGS coastlines is better for the smaller islands. I'll
> see what we can do to have the PGS coastlines (55MB) uploaded somewhere.
>
> [1] http://wiki.openstreetmap.org/wiki/Prototype_Global_Shoreline
> [2] http://lists.openstreetmap.org/pipermail/talk-ph/2009-June/001071.html
> [3] http://www.openstreetmap.org/browse/changeset/5129873
> [4] http://www.openstreetmap.org/browse/way/4327906
> [5] http://www.openstreetmap.org/browse/way/65592780
>
> Eugene
>
>
> On Thu, Jun 17, 2010 at 8:20 PM, maning sambale <emmanuel.sambale at gmail.com>
> wrote:
>>
>> UPDATE. Only two islands from the top ten need some coasty coastline love.
>>
>> http://wiki.openstreetmap.org/wiki/WikiProject_Philippines/Coastline_Corrections
>>
>> Anyone working on Negros and Mainland Mindanao?
>>
>
>



-- 
cheers,
maning
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"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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