[HOT] #1394 - Kinshasa Floods

[Dale Kunce]

Another problem is iD hiding some features at some zoom levels. The
notification isn't large enough for beginning mappers. So many features get
mapped several times in dense areas.

On Tue, Dec 29, 2015, 12:12 PM Bryan Housel <bryan at 7thposition.com> wrote:

> Hey Blake, your description of the bug is exactly right.  We’ve made a few
> improvements (like introducing a delay to the save), but it can still
> happen sometimes.
> We’re tracking this issue here:
> https://github.com/openstreetmap/iD/issues/1646
>
> The telltale signature is when you see a person add a bunch of things, and
> then that same person adds them again a few minutes later (because they did
> not show up post save).
>
> If you see multiple people adding the same things, that’s not an iD issue
> - that’s just multiple people editing in the same location, which we can’t
> do anything about..
>
> Thanks, Bryan
>
>
>
>
> On Dec 29, 2015, at 9:48 AM, Blake Girardot <bgirardot at gmail.com> wrote:
>
> Hi Henning,
>
> I am not really sure why it happens, someone explained it to me this way,
> but someone who knows more about iD would have to confirm it because I
> might not be remembering it correctly:
>
> When you map with iD things are kept locally as you map them. But then
> when you hit "Save" they get uploaded to the server and iD tries to
> download them from the server to display.
>
> So if there is a delay in the osm servers being able to send what you just
> mapped back to the iD editor for some reason (database update latency or
> network issues) iD can not display what you just saved, so it looks like it
> just "disappeared" and then people map it again.
>
> That is my understanding, and it seems to be rare, but it does seem to
> happen I have been told.
>
> Regards,
> Blake
>
>
> On 12/29/2015 2:47 PM, Henning Bolz wrote:
>
> Hi Leon,
> the best way to handle this is to delete it and start again.
> And, as Blake said, to inform the mapper who originally did this.
> I have seen this "double mapping" very often and it can be very annoying.
> Blake, do you know why ID is doing this, or in which situation? Can it
> be avoided?
> Regards
> Henning (hebolz)
> -
> *Gesendet:* Dienstag, 29. Dezember 2015 um 14:18 Uhr
> *Von:* "Blake Girardot" <bgirardot at gmail.com>
> *An:* "Leon van der Meulen" <leonvandermeulen at gmail.com>, "HOT
> Openstreetmap" <hot at openstreetmap.org>
> *Betreff:* Re: [HOT] #1394 - Kinshasa Floods
> Hi Leon,
>
> That task square in particular could use some fixing up. Sometimes in
> the iD editor it will fail to display what someone has just mapped so
> things get mapped twice by the same person.
>
> As to the residential areas: I usually do the larger overall residential
> area and then in this case, would have the "cutouts" for the
> agricultural ares.
>
> Again, I think that task square in particular was mapped by a new mapper
> who was not sure the best way to map that area and wasn't sure what an
> allotment was.
>
> It should be pretty easy to fix up so if you wanted to take a few
> minutes and fix it up that would be great.
>
> And I would send a note to the new mapper when you are done, just
> explaining you fixed it up, how and provide a link to the revised task
> square so they can see how a more experienced mapper did it.
>
> Thank you for mapping, reviewing and asking questions, it helps everyone
> learn a bit.
>
> Cheers,
> Blake
>
>
>
> On 12/29/2015 11:52 AM, Leon van der Meulen wrote:
> > Hi All,
> >
> > I’m just checking out this task and some things just seem a little
> > weird, for example this square:
> > http://tasks.hotosm.org/project/1394#task/162
> > A lot of areas are traced more than once, and residential land use isn’t
> > mapped consistently. Wouldn’t it be better to trace the whole city once
> > as residential and remove the smaller areas? Some are traced between
> > roads, others just seem to be randomly drawn.
> >
> > Best,
> >
> > Leon
> >
> >
> >
> > --
> > Leon van der Meulen
> > Junior GIS Specialist, Geodienst
> > University of Groningen
> > @leonmeulen
> >
> > To boldly geo where no one has gone before!
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > _______________________________________________
> > HOT mailing list
> > HOT at openstreetmap.org
> > https://lists.openstreetmap.org/listinfo/hot
> >
>
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