[talk-ph] topomap digitizing for OSM-PH

Maning Sambale emmanuel.sambale at gmail.com
Fri Mar 27 13:29:18 GMT 2009

It's already rectified Geog Lon/Lat WGS-84.
I overlayed the OSM road shapefile and it's a perfect match.

What we need at the moment is to trace roads using a trial-version (30
days) of Memory Map.  Export he trace to gpx and then add to OSM via

Anybody else willing to do digitizing? Maybe we can have meet-up to look
at the data (its huge over a few gigs, so I can't send them over the
web).  And a good excuse to have good beer again ;)

On Fri, 2009-03-27 at 20:33 +0800, Eugene Alvin Villar wrote:
> Coolness! But sorry, I can't help with the
> rasterization/orthorectification/etc. :-P
> I'd also like to note that Sacobia River in your sample image is
> labeled as "Sacabia River". Hehehe.
> On Fri, Mar 27, 2009 at 8:18 PM, maning sambale
> <emmanuel.sambale at gmail.com> wrote:
>         These are the US Bureau of Coast and Geodetic Survey 1:50K
>         Topo Map
>         Series published in the 1950s
>         These are partially what NAMRIA sells.  The other recent Topo
>         maps
>         updated by NAMRIA are not included here.
>         The data is more than 50 years so it should be copyright free
>         as I
>         interpret the Philippine Copyright Law.  The same as the AMS
>         1:250K
>         topomap I added before.  But with higher resolution.
"Freedom is still the most radical idea of all" -N.Branden
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