On Tue, Apr 26, 2011 at 8:30 AM, Ben Supnik <[email protected]> wrote:
> Hi Ian, > > Where on the OSM servers is the current NHD data, and in what format? I > didn't see it referenced in the wiki work-flow. They're currently only used to render TopOSM and aren't available via HTTP or whatnot. I had plans to convert it all to OSM but ran into the problem you're seeing below: > > > - Not all of the data types contain enough information to split like >> this (last I checked the linear features were the only ones with reach >> code. Polygonal features don't contain subbasin information) >> > > I am looking at this now. Some of the polygonal lakes definitely do > contain reach codes, others contain NULL. From what I can tell, there are > fcodes that indicate that there is no reach code (or any meta data). > > For the polygonal "area" data (which includes large rivers) there are > indeed no reach codes. :-( > If I remember correctly the area data has some sort of ID which links it to the waterway (which has a reach code). The area data is what wraps a waterway when it has a width greater than some standard "too wide for a single line" width.
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