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

Srihari Thalla thallasrihari at gmail.com
Wed Mar 29 12:34:49 UTC 2017


I have completed identifying unmapped villages in Krishna. There are 1174
nodes and ways tagged with "place=village".

I have made a Challenge in MapRoulette to trace roads and connect these
villages with nearby highways. (We can trace houses later.)

I need help with tagging the roads. I made the instructions to tag
asphalt/good condition roads as "tertiary" and other non-asphalt roads as
"unclassified".
Since these roads connect villages with other major highways/town/other
villages, the tags tertiary/unclassified seemed optimal.

Identifying and tagging these unmapped villages took around 8 hours and
spread across a week!
At this rate, it might take several months for me to just tag Andhra
Pradesh and Telangana.

I would really need help from others speeding this up. If anyone's
interested, we can organise and work together.

[1] - http://maproulette.org/map/2460
[2] - http://overpass-turbo.eu/s/nT8
[3] - https://wiki.openstreetmap.org/wiki/Key:highway#Roads

On Thu, 23 Mar 2017 at 23:42 Srihari Thalla <thallasrihari at gmail.com> wrote:

> I have added "place=village" nodes for villages in Krishna district (AP)
> traced on Bing imagery [1] [2]. I have only traced some parts of the
> district and the villages count grew to ~700 and probably doubles once I
> sweep thru the entire district. It took a couple of hours for mapping them
> (~350 in 2 changesets).
>
> At this rate, it would take several days to just identify unmapped
> villages and then map them and several weeks to trace roads to them!
>
> Any ideas on how we can speed this up? As Arun said, we should do it in
> sprints for this process to take off.
>
> Thoughts and ideas...
>
> [1] - https://www.openstreetmap.org/changeset/47103126
> [2] - https://www.openstreetmap.org/changeset/47096890
> [3] - http://overpass-turbo.eu/s/nIz
>
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