[HOT] [OSM-talk] Mapping high tension power lines in Nepal

François Lacombe fl.infosreseaux at gmail.com
Fri May 15 15:39:13 UTC 2015


Hi Pierre,

I will take a look at it this evening.

Is there a live discussion taking place on IRC or wherever else than HOT ML
to get other contributors in touch ?
I'm not so at ease with HOT organisation.

It would be great to do this collectively and share the experience around
tagging schema.

Cheers from Lyon ;)

François
Le 15 mai 2015 17:08, "Pierre Béland" <pierzenh at yahoo.fr> a écrit :

> Hi François
>
> We need various expertises to answer quickly and produce data of quality
> It would be great if you could extract the Nepal powers in the area of the
> response around Kathmandu and revise the tagging schema.
> And  say Bonjour to the OSM Lyon contributors meeting at the charming Chez
> Thibault café.
>
> regard
>
> Pierre
>
>   ------------------------------
>  *De :* François Lacombe <fl.infosreseaux at gmail.com>
> *À :* Brad Neuhauser <brad.neuhauser at gmail.com>
> *Cc :* "HOT at OSM (Humanitarian OpenStreetMap Team)" <hot at openstreetmap.org>;
> OSM <talk at openstreetmap.org>; Jean-Guilhem Cailton <jgc at arkemie.com>;
> OpenStreetMap in India <talk-in at openstreetmap.org>; OpenStreetMap
> Community in Nepal <talk-np at openstreetmap.org>
> *Envoyé le :* Vendredi 15 mai 2015 6h26
> *Objet :* Re: [HOT] [OSM-talk] Mapping high tension power lines in Nepal
>
> Hi,
>
> The power generation model was refined in 2013 and include some
> distinction between a power plant and a power generator.
> It would be convenient and sustainable to take care of this for this
> concern.
>
> http://wiki.openstreetmap.org/wiki/Proposed_features/Power_generation_refinement
>
> Power generator only regard any kind of device which convert energy from
> one sort to another. It should be mapped with power=generator
> http://wiki.openstreetmap.org/wiki/Tag:power%3Dgenerator
>
> Power plant is the whole site and can be mapped with an area or a relation
> if the power plant isn't enclosed with a fence (which is often the case for
> hydro power plant).
> power=plant is the tag currently approved.
> http://wiki.openstreetmap.org/wiki/Tag:power%3Dplant
>
>
> The hydropower_project tag may be redundant with power=plant.
> Currently, it may be useful to map power=plant sites features only.
> Generators are supplementary information only used by specialized mappers.
>
> It would be great to don't use any other custom power=* value to allow the
> largest amount of mapper to work with these datas.
>
> I'll add some in my spare time.
>
> All the best
>
>
> *François Lacombe*
>
> fl dot infosreseaux At gmail dot com
> www.infos-reseaux.com
> @InfosReseaux <http://www.twitter.com/InfosReseaux>
>
>
>
> 2015-05-14 17:23 GMT+02:00 Brad Neuhauser <brad.neuhauser at gmail.com>:
>
> Fyi, user GautamPratik already started entering some hydro sites using the
> tag hydropower_project:name. Here's a search for that:
> http://overpass-turbo.eu/s/9lJ
>
> And one for power=generator generally in Nepal:
> http://overpass-turbo.eu/s/9lN
>
> Cheers, Brad
>
> On Thu, May 14, 2015 at 9:03 AM, Steve Bower <sbower at gmavt.net> wrote:
>
> The Nepal Electric Authority would likely already have such a map, or
> relevant data:
> http://www.nea.org.np/
>
> Page 106 of their annual plan has a transmission line map:
> http://www.nea.org.np/images/supportive_docs/Annual%20Report-2014.pdf
>
> I did not find anything better in a quick search of their web site, but
> they could probably provide something.
>
> Steve
>
>
> On Thu, May 14, 2015 at 7:26 AM, Jean-Guilhem Cailton <jgc at arkemie.com>
> wrote:
>
> Hi,
>
> As you may know, helicopters play a critical role in bringing help to
> Nepalese people affected by April 25 7.8 earthquake, and May 12 7.4
> aftershock, with roads blocked or made dangerous by landslides and
> unstable terrain.
>
> A USMC helicopter that was taking part in this effort is missing since
> May 12. Other helicopters involved in the search and rescue mission
> report that: "A primary concern for ongoing search and rescue efforts is
> unmarked high tension power lines, which have been reported and bisect
> many of the valleys in the search area".
>
> Some high tension power lines have already been mapped
> (http://overpass-turbo.eu/s/9lx , passed along to those conducting the
> searches). Starting from electrical dams makes it easier to spot them.
>
> If mappers experienced at mapping power lines could give a hand, this
> would be great. (Or others willing to learn, like me :) ).
>
> Bing is available for large parts of Nepal. A focus for current search
> and rescue effort is around Ghorthali (27.7517 N  86.0342 E) from where
> a Nepalese local reported seeing a helicopter crash. But of course high
> tension power lines would also be nice to have for Sindhupalchowk,
> Dolakha and other affected districts (see
> http://kathmandulivinglabs.github.io/quake-maps/).
>
> (Please download and upload OSM data often, in case other mappers work
> on the same theme).
>
> Thanks,
>
> Jean-Guilhem
>
>
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