[Talk-us] Comparing Tiger 2017 dataset with OSM in a automatedway.

Ian Dees ian.dees at gmail.com
Wed Oct 11 15:46:46 UTC 2017


Yes, it'd be great to do this. I started a project to track open road
centerlines like this on GitHub here: https://github.com/osmlab/centerlines

In theory, we could download that data and then do the same process using
the presumably higher quality road data.

On Wed, Oct 11, 2017 at 10:42 AM, Joe Sapletal <joe.sapletal at charter.net>
wrote:

> This is really cool.  Can I suggest for the Twin Cities metro area someone
> doing something similar with the Metro Regional Centerlines Collaborative
> Local Centerlines (MRCC)?  I know that Dakota County hasn’t submitted
> centerlines to Tiger in a couple of years, but will be for the next
> update.  Not sure about the other counties though.  There very well may be
> areas that the MRCC will be a better source than the Tiger data.
>
>
>
> https://gisdata.mn.gov/dataset/us-mn-state-metrogis-trans-mrcc-centerlines
>
>
>
> Joe
>
>
>
> *From: *Ian Dees <ian.dees at gmail.com>
> *Sent: *Wednesday, October 11, 2017 10:25 AM
> *To: *Badita Florin <baditaflorin at gmail.com>
> *Cc: *talk-us at openstreetmap.org Openstreetmap <talk-us at openstreetmap.org>
> *Subject: *Re: [Talk-us] Comparing Tiger 2017 dataset with OSM in a
> automatedway.
>
>
>
> It would be interesting to see what differences CYGNUS would turn up. What
> would the output of CYGNUS be?
>
>
>
> I put together the TIGER 2017 layer that's in the editors right now. I'll
> work on writing up how I did it later today.
>
>
>
> Basically: I used tiger-tiles (https://github.com/iandees/tiger-tiles) to
> generate a vector tiles database with expanded road names from TIGER 2017.
> Then I downloaded an osm-qa-tiles (https://osmlab.github.io/osm-qa-tiles/)
> file for the United States and ran osmlint's tigerDelta (
> https://github.com/osmlab/osmlint/tree/master/validators/tigerDelta) to
> find the segments that had different geometry. The output was then ran
> through Tippecanoe to generate a vector tileset and posted to Mapbox as the
> low zoom red features.
>
>
>
> On Wed, Oct 11, 2017 at 4:03 AM, Badita Florin <baditaflorin at gmail.com>
> wrote:
>
> Hi, i wanted to ask if there will be interest around comparing TIGER 2017
> with what we have in OSM, using CYGNUS, in a automated way.
> http://www.openstreetmap.org/user/mvexel/diary/36746
>
>
>
> On top of cygnus, i have developed shgp2cygnus, were you can place any
> shapefile, any size, you provide a translation file, and, in the end, you
> get a list with all the ways that are in the TIGER dataset, but not in OSM.
>
> This would be something useful for the community ?
>
>
>
> I don`t know if somebody is already doing something similar, or what is
> the status ? Were can i read more ?
>
> I knoiw that the TIGER 2017 Overlay in JOSM shows in red the roads that
> are not in OSM, but are in TIger 2017.
>
> But I don`t know were to read more, and if the data is accessible to
> download directly, not just show as a WMS Layer.
>
>
>
> It will take around 7-14 days to process all USA”
>
>
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