[Talk-us] Baltimore County GIS Data is now public domain

[Steven Johnson]

Congratulations, Elliott! And kudos to all the people at Baltimore
government that made it possible.
On Sep 27, 2013 4:53 PM, "Elliott Plack" <elliott.plack at gmail.com> wrote:

> TO:
> [talk-us]
> [imports-us]
>
> FROM:
> Elliott Plack
> [elliott.plack at gmail.com]
> [eplack at baltimorecountymd.gov]
>
> 27 Sep 2013
>
> Greetings OpenStreetMappers,
>
> I am very excited to announce that my organization, Baltimore County
> Government Office of Information Technology<http://www.baltimorecountymd.gov/Agencies/infotech/GIS/index.html> is
> releasing our GIS data to the public in a free and nonrestrictive way! We
> maintain a vast array of GIS data used for land management, emergency
> management, and public works programs. Baltimore County covers nearly 700
> square miles and has about 800,000 denizens. Today that data is available
> to download (and perhaps integrate into OSM).
>
> http://www.baltimorecountymd.gov/Agencies/infotech/GIS/index.html
>
> I have also put some of our data into some repositories on GitHub, which
> you can also see right now <https://github.com/baltimorecounty>. In
> particular to OSM interests, I want to point out the AddressPoints repo<https://github.com/baltimorecounty/address-points>,
> just a snippet of the dataset, which is very accurate as it used by our 911
> center. We have several full time staff that maintain that data daily. That
> data is also available in full from the FTP source above.
>
> I would like to get the conversation started about how some of this data
> might be worth *importing *to OSM. There is very little mapping activity
> in the rural areas of the county, and while many *buildings *have been
> added, *address *coverage is low. There are many other possibilities
> here, like converting centerlines to an imagery layer for improving
> existing roads, and plat boundaries for tagging landuse areas in OSM.
>
> We also have hard drives and intranet folders full of *orthoimagery *that
> is available upon request. Some dates back to the 1930s.
>
> Regarding licenses and the legal aspects of the data. Baltimore County
> asserts that the data is to be released into the public domain. They make
> no claims for any kind of license or attribution, but there is a standard
> accuracy disclaimer. I have been pushing for a specific license declaration
> like ODbL but so far there hasn't been any movement there. If anyone wants
> to help with that effort, let me know.
>
> Finally, I want to thank Josh Doe and Ian Dees for getting the Maryland
> State Orthoimagery map service proxied by osm.us so that folks may use it
> in their JOSM sessions!
> http://wiki.openstreetmap.org/wiki/Foundation/Local_Chapters/United_States/Servers/Imagery This
> is excellent data from *2011, leaf-off, 6 inch orthophotography*. Great
> for mapping!
>
> I welcome comments and feedback.
>
> Cheers,
>
> --
> Elliott Plack
> http://about.me/elliottp
>
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