[Imports] A few questions about importing U.S. NHD data for Subbasin 01080105 import (White River in VT)

[Josh Doe]

On Thu, Feb 23, 2012 at 4:15 AM, Alan Mintz
<Alan_Mintz+OSM at earthlink.net> wrote:
> This is one of the things I dislike about the NHD imports that I've seen -
> the vast number of short segments that creates such feature density as to
> make any manipulation (download, editing, etc.) of the area more difficult.
> These short segments should be joined before import.

+1, definitely combine these before import. Some call this process
"glomming". I've got an ugly C# app that I call OsmGlommer that I
hacked on based on code from MikeN, but I haven't put it online yet .
You can also try Frederik's merge-ways.pl [0].

-Josh

[0]: http://trac.openstreetmap.org/browser/applications/utils/filter/merge-ways/merge-ways.pl