[Talk-in] Use MapRoulette to improve OSM - India data

Thu Mar 23 18:43:28 UTC 2017

Hi, Deepak!

You have to zoom in a little bit. MapRoulette is trying to load the visible
map on the screen in JOSM.

For districts, as they are relations, zoom in on the boundary. This will
make sure that JOSM download contains the relation.
Before (MapRoulette says too much area) -
https://www.dropbox.com/s/4gi6v65xzl9zxja/Screenshot%202017-03-24%2000.03.50.png?dl=0
After -
https://www.dropbox.com/s/w4hjq9lpstnkad3/Screenshot%202017-03-24%2000.04.22.png?dl=0

For cities and towns, as they are mostly nodes, zoom in on the node.
Screenshot -
https://www.dropbox.com/s/siivc2in9x70yhq/Screenshot%202017-03-24%2000.05.33.png?dl=0
If it still says too much area, just zoom in a little more!

Try these once again and let me know if it worked. If there are problems, I
will check with Martijn of MapRoulette!

Thanks for checking out challenges. Did you find them useful? Any
improvements to be done for them to make them even more efficient and
exciting?
Any other suggestions?

Cheers,
Srihari

On Thu, 23 Mar 2017 at 23:49 Deepak Cherian <dpak.cherian at gmail.com> wrote:

> Srihari,
>
> Thanks a lot. I just successfully procrastinated through a morning
> searching for Indian Railway station codes.
>
> I tried doing Challenges 3,4 but MapRoulette keeps telling me that the
> areas are too large to download the data. How do I get around that?
>
> Deepak
>
> On 03/16/2017 09:55 AM, Srihari Thalla wrote:
> > I have set up these challenges as of today:
> >
> > [1] - Railway Station codes
> > [2] - Wiki tags for railway stations
> > [3] - Wiki tags for cities and towns
> > [4] - Wiki tags for districts
> >
> > -
> >
> > @Naveen I hope all the NHs are already traced and mapped [and updated to
> > the new numbering]? I'll check if Overpass QL supports regex tomorrow
> > and set up the challenges. I might need your help.
> >
> > -
> >
> > Regarding tracing roads and building in small towns and villages, I
> > noticed that more 50% of the villages were not even mapped (at least in
> > Andhra/Telangana, I didn't look at other states). I think this procedure
> > might be good:
> >
> > [a] - Place `node`s with place=village tags for untagged villages. We
> > don't know all the names, so we might want to leave the name for now.
> > [b] - Setup challenges to trace roads; and buildings
> > [c] - Work to get data about the villages (starting with their names
> > themselves)
> >
> > I can start [a] with Andhra Pradesh and Telangana
> > district-wise-alphabetically. If you are open to this idea, let me know
> > and your thoughts.
> >
> > -
> >
> > Here are the links for the Challenges [1,2,3,4]:
> >
> > [1] - Railway Station codes - http://maproulette.org/map/2403
> > <http://maproulette.org/map/2403/>
> > [2] - Wiki for Railway Stations - http://maproulette.org/map/2404
> > [3] - Wiki for cities and towns - http://maproulette.org/map/2405
> > [4] - Wiki for districts - http://maproulette.org/map/2406
> >
> > cc Arun. Need your help spreading the word :)
> > -
> >
> > I am in touch with Martijn of MapRoulette. He said he would feature our
> > challenges in the upcoming newsletter. I think the challenges above are
> > pretty easy and useful for getting people from other communities
> > interested in OSM, as Arun said.
> >
> > But tracing untraced villages would be good for featuring in his
> > newsletter. That might bring attention. What do you think?
> >
> > On Wed, 15 Mar 2017 at 19:23 Naveen Francis <naveenpf at gmail.com
> > <mailto:naveenpf at gmail.com>> wrote:
> >
> >     One more task
> >       - Add wikidata tags for Indian Highways, it has been add for about
> >     100 primary highways.
> >
> >
> https://en.wikipedia.org/wiki/List_of_National_Highways_in_India_by_highway_number#/maplink/0
> >         About 200 may be remaining, finding QID is easier since it is in
> >     one place :)
> >
> >
> https://www.wikidata.org/wiki/Wikidata:WikiProject_Roads/India/National_Highways
> >
> >
> >
> >
> >     On 15 March 2017 at 17:16, Arun Ganesh <arun.planemad at gmail.com
> >     <mailto:arun.planemad at gmail.com>> wrote:
> >
> >         Challenge 3 and 4 could be quite interesting to get other
> >         communities interested in OSM.
> >
> >         For Wikidata matching, we can share the challenge with the
> >         Wikimedia India chapter. Adding these tags also help make maps
> >         on Wikipedia. See Naveens'
> >         diary http://www.openstreetmap.org/user/naveenpf/diary/40515
> >
> >         For any railway mapping we can spread the word on IRFCA, which
> >         would get the railfans really excited.
> >
> >         Srihari, if you can make the challenges, I could help spread the
> >         word. We could also do mapping sprints to map them together with
> >         others to knock it off.
> >
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