[talk-ph] topomap digitizing for OSM-PH

Eugene Alvin Villar seav80 at gmail.com
Fri Mar 27 12:33:56 GMT 2009


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.
>
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