[Talk-us] Wilderness Data

Clifford Snow clifford at snowandsnow.us
Mon Feb 25 12:51:21 UTC 2013

I'm out of the country right now but can wait to get my hands on the data
when I get back.( Internet is spotty everywhere I've stayed. )

I've been working on US National Parks on the wiki, see
http://wiki.openstreetmap.org/wiki/WikiProject_US_National_Parks. My goal
is to see all of the National Parks updated. I think it would be useful to
link our wiki pages to help others find the data they need. I'd do it but
with bad internet service it would have to wait until I'm back in the

I also know the NPS is working with OSM. They would like to use our data,
but feel constrained since they are required to publish as PD. They are
working on a version of Potlatch that would update both their gis system as
well as OSM.


On Sun, Feb 24, 2013 at 6:21 PM, stevea <steveaOSM at softworkers.com> wrote:

> A significant subset of the fresh data published on the aforementioned US
> Forest Service (USFS) site (National Forest and Wilderness boundaries,
> others are available) were successfully transformed from NAD83/shapefile to
> WGS84/.osm.  (Thanks to all who made technical suggestions -- they
> worked!).  Results from data at this site are nationwide.  Both National
> Forest and Wilderness boundary sets yield huge files:  each is hundreds of
> megabytes, unwieldy on most JOSM desktops.  So, any US Contributor could do
> the same, then "regionalize" these data into smaller chunks:  recommended
> both for JOSM performance reasons and to "share the load" among OSM
> community.  If you wish to follow my ten step technical data
> transformation, which takes nationwide data sets (for forests,
> wilderness...) and successfully isolates single forests or wilderness areas
> while respecting multipolygon memberships, I am happy to send you my
> workflow.
> A wiki page tracks this effort: http://wiki.openstreetmap.org/**
> wiki/US_Forest_Service_Data<http://wiki.openstreetmap.org/wiki/US_Forest_Service_Data>.
>  I encourage US Contributors to compare their local/current OSM state of
> National Forests and any contained Wilderness areas with these data, and to
> become aware of any OSM community that may be importing them. If so, offer
> a heads up that these new data are available -- and your thanks.  If not,
> feel free to contribute these USFS data to OSM yourself!
> I am starting this in USFS Pacific Southwest Region 5, (California), a
> staggering 20 million acres (8 million hectares) of forest.  My first case
> was with Los Padres National Forest, an area stretching nearly half the
> state, 48% of it containing ten distinct wilderness areas.  The good news:
>  this "first seed is planted" using these new USFS data, and
> mapnik/standard rendering is presently occurring.  I now move on to
> Angeles, Cleveland and San Bernardino National Forests (and their
> wilderness area subsets), then I intend to complete Region 5's eastern and
> northern National Forests:  1 down, 3 to do now, 15 more to go:  whew!
> Cheers,
> SteveA
> California
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