[HOT] Waterway mapping advice needed...

Pete Masters pedrito1414 at googlemail.com
Sat Apr 4 16:19:34 UTC 2015


Thanks for the responses guys.

I'll take a look and decide a course of action, which may include reworking
the task slightly. This is one of the first I did and I don't think I
realised the workload involved in such a large area.

Cheers

Pete
On 4 Apr 2015 16:31, "Rafael Avila Coya" <ravilacoya at gmail.com> wrote:

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> Hi, Pete:
>
> One of the main tricks I use for a first glimpse of the water flow
> direction is zooming out the imagery. That way you will see the big
> rivers and where their water goes to.
>
> You can also check maps with hillshade layers, like the openmapsurfer:
> http://129.206.74.245
>
> Another tip is following the river you want to map correctly, as you
> eventually will see it getting narrower and narrower or getting wider
> and flowing into a bigger river.
>
> Cheers,
>
> Rafael.
>
> On 04/04/15 17:09, Pete Masters wrote:
> > Hi all, I am doing some work on
> > http://tasks.hotosm.org/project/836.
> >
> > However, I am struggling to discern the direction of the waterways
> > in this square: http://tasks.hotosm.org/project/836#task/283
> >
> > Is there any advice, tips, etc out there on how to work this out?
> > If there is a good piece of advice or a resource to help with this,
> > I will include it in the task instructions...
> >
> > I have not done much mapping of waterways before!
> >
> > Thanks,
> >
> > Pete
> >
> > -- *Pete Masters* Missing Maps Project Coordinator +44 7921 781
> > 518
> >
> > missingmaps.org <http://www.missingmaps.org/>
> >
> > _ at pedrito1414_ <https://twitter.com/TheMissingMaps>
> > _ at theMissingMaps_ <https://twitter.com/TheMissingMaps>
> > _facebook.com/MissingMapsProject_
> > <https://www.facebook.com/MissingMapsProject>
> >
> >
> > _______________________________________________ HOT mailing list
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> >
>
> - --
> Twitter: http://twitter.com/ravilacoya
>
> - --------------------------------
>
> Por favor, non me envíe documentos con extensións .doc, .docx, .xls,
> .xlsx, .ppt, .pptx, aínda podendoo facer,  non os abro.
>
> Atendendo á lexislación vixente, empregue formatos estándares e abertos.
>
> http://es.wikipedia.org/wiki/OpenDocument#Tipos_de_ficheros
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