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

[Ian Villeda]

o man this is great. amazing work Elliot! 

-- 
ian


On Friday, September 27, 2013 at 4:58 PM, Steven Johnson wrote:

> 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 (mailto:elliott.plack at gmail.com)> wrote:
> > TO:
> > [talk-us]
> > [imports-us]
> > 
> > FROM:
> > Elliott Plack
> > [elliott.plack at gmail.com (mailto:elliott.plack at gmail.com)]
> > [eplack at baltimorecountymd.gov (mailto: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 (http://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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