[HOT] Identification of Communication towers

[FOFANA BAZO BAGNOUMANA]

this are the difficulties of remote mapping.
I think it is necessary to use field team that will make examples we can
follow

2015-03-15 17:49 GMT+00:00 Mikel Maron <mikel.maron at gmail.com>:

> Quick first version up on Vanuata tracing guide.
>
> http://hotosm.github.io/tracing-guides/guide/vanuatu.html
>
> Just one tip so far on comms towers. Let me know what else this should
> cover. Best would be cropped screenshots and text added to this GitHub
> issue.
>
> https://github.com/hotosm/tracing-guides/issues/30
>
> -Mikel
>
> * Mikel Maron * +14152835207 @mikel s:mikelmaron
>
>
>
>   On Sunday, March 15, 2015 9:33 AM, Blake Girardot <bgirardot at gmail.com>
> wrote:
>
>
>
> Ya, that is kind of what I had in mind. It is a good question that was
> asked, I have been trying to think of some more features that could use
> some short example guides and towers are perfect for that and are needed.
>
> Cheers,
> Blake
>
>
>
>
> On 3/15/2015 2:12 PM, Mikel Maron wrote:
> > We could make a quick tracing guide for these towers. Just need a few
> > clipped screenshots of the imagery, and help text.
> >
> > Would put it together in something like this:
> > http://hotosm.github.io/tracing-guides/guide/kulna.html
> > http://hotosm.github.io/tracing-guides/
> > -Mikel
> >
> > * Mikel Maron * +14152835207 @mikel s:mikelmaron
> >
> >
> >
> > On Sunday, March 15, 2015 9:03 AM, Blake Girardot <bgirardot at gmail.com>
> > wrote:
> >
> >
> >
> >
> >    Hi Martin,
> >
> >    These are challenging to spot and hard to tag correctly without local
> >    knowledge I just discovered.
> >
> >
> http://wiki.openstreetmap.org/wiki/Tag:man_made%3Dcommunications_tower
> >
> >    I usually find towers by seeing the shadow they cast, that is the big
> >    indicator to me.
> >
> >    Here are a few examples in the region:
> >
> >    https://www.openstreetmap.org/#map=19/-21.90198/166.072485
> >
> >    If you look very carefully at the shadow you can see the microwave
> >    transceiver drums in the shadow. I would guess that is what helped the
> >    person identify this one as a "communications" tower specifically.
> >
> >    ----------------------------
> >
> >    https://www.openstreetmap.org/#map=19/-20.748846/167.262194
> >
> >    That one again, shows the shadow being a pretty big factor. And it
> also
> >    show a typical service road and pad. I do not know how the mapper knew
> >    it was a communications tower.
> >
> >    ------------------------------
> >
> >    https://www.openstreetmap.org/#map=19/14.977132/120.52743
> >
> >    Shadow and microwave drums visible
> >
> >    -----------------------------------
> >
> >    https://www.openstreetmap.org/#map=20/15.011183/120.532604
> >
> >    Shadow and service area fenced off.
> >
> >    ----------------------------------
> >
> >    https://www.openstreetmap.org/#map=19/15.097711/120.611481
> >
> >    A nice big TV transmission tower.
> >
> >
> >    I hope those help!
> >
> >    Cheers,
> >    Blake
> >
> >
> >
> >    On 3/15/2015 11:37 AM, spatialbits wrote:
> >      > Hi hotties,
> >      >
> >      > as part of tasks #944/943 (Vanuatu) mapping of Communication
> >    towers is
> >      > requested.
> >      > Could someone point me to an example in the imagery (e.g.
> >    lat/lon), so I
> >      > get an idea on what to look for.
> >      >
> >      > Thanks.
> >      >
> >      > Martin
> >      >
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> >
> >      >
> >
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-- 
Fofana B. Bazo,
Géographe, contributeur OpenStreetMap, Membre fondateur de la Communauté
OSM_BF
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