[Talk-us] Importing CobbLinc Public Transit Routes from Government Data
Sam Whited
sam at samwhited.com
Thu Feb 9 13:00:06 UTC 2023
Thanks, I don't really understand the lingo there or what any of this
means, so I'll go ahead and retire this idea for now.
There are more of them to review to make sure there are no duplicates
and what not, so I wasn't going to do the bus stops, but would that make
more sense to do instead? It would just take longer for me to go through
them all by hand and there are still only a few of them on the map. I
just really want my mapping app to be able to do my morning commute
properly instead of telling me there are no buses in Cobb :( (though I'm
not sure that bus stops are enough for this, but it's worth a shot).
—Sam
On Thu, Feb 9, 2023, at 07:52, Brian M. Sperlongano wrote:
> Transit route relations normally follow existing road and rail lines.
> As such, it does not make sense to handle mapping them as an import.
> Dumping the data in OSM would certainly result in it being quickly
> reverted. It would be more useful to have something that can be used
> as an information underlay layer in JOSM so that the routes could be
> mapped/checked.
>
>
> On Wed, Feb 8, 2023, 11:20 PM Sam Whited <sam at samwhited.com> wrote:
>
>> Thank you,
>>
>> I've reached out to the NTM to request clarification on the license
>> / see if they'd be willing to sign the waiver mentioned in the link
>> you sent.
>>
>> That being said, I don't understand the paragraph about relations and
>> it might be that I'm just not an experienced enough mapper to
>> complete this project. Most of the public transit routes around me
>> seem to just be that people recorded a bus ride and drew a line, they
>> are along the roads, but seem to be different entities (or I just
>> don't understand what's going on, which is much more likely). I'll
>> look into it a bit more before throwing in the towel though.
>>
>> Thanks for the help, Sam
>>
>> On Wed, Feb 8, 2023, at 15:43, Mike Thompson wrote:
>> > Hi Sam,
>> >
>> > Thanks for reaching out to the community.
>> >
>> > You will need to follow the guidelines here:
>> > https://wiki.openstreetmap.org/wiki/Import/Guidelines
>> >
>> > including creating a wiki page for your import describing your
>> > process.
>> >
>> > You will also need to make your script available, and at least a
>> > sample of the output from the script.
>> >
>> > In regards to your specific idea, transit routes in OSM are
>> > relations that reference other elements, such as roads, that are
>> > usually already in OSM. This means that you cannot simply "upload"
>> > this data to OSM, but rather must come up with a method of building
>> > the necessary relations. How you intend to do this should be
>> > described on the wiki page for your import.
>> >
>> > Regarding the license, CC-BY 4.0 International is "likely
>> > incompatible"[0]
>> >
>> > Mike
>> > [0] https://wiki.openstreetmap.org/wiki/Import/ODbL_Compatibility
>> >
>> >
>> > On Wed, Feb 8, 2023 at 8:37 AM Sam Whited <sam at samwhited.com>
>> > wrote:
>> >
>> >> Hi all,
>> >>
>> >> I've written a script to convert the data located here:
>> >>
>> >> https://data.bts.gov/dataset/NTM-CobbLinc/vsae-bxvy
>> >>
>> >> Into an Open Street Map compatible format.
>> >>
>> >> I was hoping to do an upload of all the CobbLinc transit routes
>> >> (stops are converted too, but I'll skip those for now as this data
>> >> is somewhat old and I can verify the routes easily, but not the
>> >> stops) since only a few of them exist on the map right now.
>> >>
>> >> I wanted to check with the community first and see if this is an
>> >> okay thing to do? The data says it's CC licensed, however I
>> >> believe that since it's government data created during an
>> >> employees work this may be wrong and they are required to release
>> >> it under the public domain (I've noticed a lot of agencies putting
>> >> CC licenses on things recently though, so maybe I'm wrong and I
>> >> just don't know how the government data laws work here). Either
>> >> way I think we can use it and I could give credit just to be safe.
>> >>
>> >> What other considerations should I take into account? I read the
>> >> wiki page that said to check with the community and publish from a
>> >> one-off account, so this is me following up and trying to figure
>> >> out what the best course of action here is, or if this is even
>> >> desired. Thanks!
>> >>
>> >> —Sam
>> >>
>> >> --
>> >> Sam Whited
>> >>
>> >> _______________________________________________
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>> >
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>> --
>> Sam Whited
>>
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