[Talk-us] US Hydrographic Data

[Ian Dees]

It appears that in order to get your data to appear on the FTP site, you
must first request it via their web extract tool:

http://nhdgeo.usgs.gov/help/HowTo.html (which is meant to be viewed from
their tool at http://nhdgeo.usgs.gov/viewer.htm).

On Wed, Apr 30, 2008 at 10:59 AM, Adam Schreiber <sadam at clemson.edu> wrote:

> On Tue, Apr 29, 2008 at 9:14 PM, Adam Schreiber <sadam at clemson.edu> wrote:
> > On Tue, Apr 29, 2008 at 6:15 PM, Matthew Perry <perrygeo at gmail.com>
> wrote:
> >  >  Feel free to try it out and let me know how it works. The script is
> >  >  available at
> http://perrygeo.googlecode.com/svn/trunk/gis-bin/nhd_to_osm.py
>
> It works very well on my sub-basin, 03060101.  I worry about the
> length of the ways though.  If anyone downloads an area adjacent to
> the lakes in my area, they would be pulling in a rather large way, in
> this case a closed way.  Should large bodies of water be segmented and
> be joined using a multipolygon relation?
>
> Also, for the "holes" created by islands will those be easy to add in
> later when the script is updated to handle them?
>
> Cheers,
>
> Adam
>
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