[Talk-us] [Imports-us] OSM-Colorado Mappy Hour Denver Buildings Import Discussion

Mike Thompson miketho16 at gmail.com
Wed Jan 25 01:40:49 UTC 2017

The data here:

Doesn't seem to match the description on the wiki.  Perhaps it has already
been converted partly to the OSM tagging (e.g. sheds and garages are

On Tue, Jan 24, 2017 at 6:20 PM, Mike Thompson <miketho16 at gmail.com> wrote:

> Russ,
> This is very exciting to see this coming along.  Let me know how I can
> help. Hopefully we can use its success to convince other government bodies
> in Colorado to allow us to import their data into OSM!  Here are a few
> comments.
> re: "The Denver Regional Council of Governments (DRCOG), in partnership
> with local governments and public entities, has purchased detailed
> infrastructure data..." - This makes it sound like they purchased a
> commercial dataset, which raises questions about licensing in my mind.  I
> suspect that what happened is they "contracted for the collection of
> detailed infrastructure data..." In other words, it was work for hire, and
> they own all rights to the data,. Therefore, as long as the right official
> within DRCOG signs off, we are good (no third party vendor has any
> ownership rights in the data and doesn't have to be consulted). If this is
> in fact the case, someone may wish to change the wording.
> "Tagging Plans", "OTHER_TAG" - does this contain any useful information we
> can map to OSM tags?
> re: "Building Roofprints (poly) - Stereo-compiled (3D)"
> * Where applicable, are the buildings in the source data orthogonal
> (square corners) - like we try to create in OSM?
> * re "multi-level commercial/industrial buildings" I presume this means a
> building that has multiple roof heights, not multiple levels/floors inside
> the building. For example a building that has one section that is two
> stories high and has a roof height of 20 feet, and another section that is
> three stories high and has a roof height of 30 feet.
> * re "multi-level commercial/industrial buildings" - consider relations
> to group the various building parts together. [1]
> A "parking structure" should probably be tagged:
> amenity=parking
> parking=multi-storey  [3]
> (not sure it should get a building tag)
> A "tank" should probably not be tagged as building=, but rather just
> man_made=storage_tank [2]
> Not all "medical" buildings will be hospitals.
> Nothing is said about how the features other than buildings will be
> imported.
> Nothing is said about how the imported data will be conflated with the
> existing OSM data (I see there is a place holder).
> re "Merge Colorado Office of Information Technology (OIT) state address
> layer..." - does this data have a ODbL compatible license?
> Mike
> [1] https://wiki.openstreetmap.org/wiki/Simple_3D_buildings
> [2] https://wiki.openstreetmap.org/wiki/Tag:man_made%3Dstorage_tank
> [3] https://wiki.openstreetmap.org/wiki/Tag:amenity%3Dparking
> On Tue, Jan 24, 2017 at 4:21 PM, Russell Deffner <russdeffner at gmail.com>
> wrote:
>> Greetings all, this is a cross-post :)
>> For some of you this may be old news/reminder.  Last spring the Denver
>> Regional Council of Governments approached our local group, OSM-Colorado
>> <https://www.meetup.com/OSM-Colorado/>, to discuss if and how a ton of
>> planimetric data that they have collected and released as public domain
>> could also be added to OpenStreetMap.  Since then we’ve been discussing
>> with the local mappers and working together with DRCOG to prepare a pilot
>> import for their building dataset and we’re very close to that goal. This
>> email is mainly a ‘last call’ for the local/US community to review what we
>> have outlined on the wiki: http://wiki.openstreetmap.org/
>> wiki/Denver_Planimetrics_Import before we send notice to the main
>> imports list.
>> The other thing this email is, and why I’m cross-posting, is because we’d
>> love to have you come discuss the import and other OSM stuff at a Mappy
>> Hour tomorrow the 25th; details: https://www.meetup.com/OSM-Col
>> orado/events/237116910/
>> Of course if you can’t make mappy hour please email me any comments,
>> thoughts, suggestions or advice; thank you!
>> =Russ
>> Russell Deffner
>> russdeffner at gmail.com
>> _______________________________________________
>> Imports-us mailing list
>> Imports-us at openstreetmap.org
>> https://lists.openstreetmap.org/listinfo/imports-us
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