[Talk-us] NHD data import question

[Ben Supnik]

Hi Y'all,

So let me see if I can summarize where we are so far...

- I could cut the NHD data down to sub-basins. It would not be a perfect 
cutting (e.g. each sub-basin might need a little bit of data "hanging 
off" since the raw data isn't cut on sub-basin boundaries) but it would 
be pretty close, and we expect users to manually check their imports.  I 
could also potentially convert the shapefiles to .osm format on a 
sub-basin basis.

- It would be nice to make it easier for users to find their sub-basins. 
  I'm afraid I don't know how to use the mapnik tool chain to create a 
slippy map though.  (Left to my own, I would probably convert the 
sub-basin boundaries to KML...that makes me a heretic, right? :-)  We 
could also just post the boundary shapefile, but some users may not be 
comfortable with shapefiles.

- Importing on a sub-basin basis should be possible in JOSM, if not a 
bit of a mouthful.  Importing via potlatch2 vector layers should be 
possible - others have seen this work although I have not.

cheers
Ben

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