I added this note because sometimes people trace spaguetti of paths in the
fields, sometimes 50-100 meters. But yes, in remote areas in Nepal, the trails
are very important. This is the only way to travel. All the treks routes in
these areas are simply moving from one village to the other as the local people
are doing.
Pierre
De : Dan Marsh <[email protected]>
À : Pat Tressel <[email protected]>
Cc : hot <[email protected]>
Envoyé le : Dimanche 3 mai 2015 7h54
Objet : Re: [HOT] Path mapping restrictions in tasks
In that situation, I'd say it is a good idea to map any long footpaths, where
there are no wide roads.
I think the idea was to encourage people to only map major roads, where they
exist, for the sake of speed and efficiency. So, people aren't wasting time
mapping every short footpath.
In an ideal world all paths would be mapped anyhow.
The bottom line is to use your best judgement.
On 3 May 2015 at 12:05, Pat Tressel <[email protected]> wrote:
The instructions for (e.g.) task #1018 say to map only paths that connect to
"major road networks". I'm mapping in the Borang area from Digital Globe
imagery (not the imagery listed for this task -- there is no Bing imagery here
and the MapBox imagery is low-resolution). There *are* no roads, let alone
road networks, in this area. If we don't map foot paths that don't connect to
"road networks", there won't be any travel routes marked at all. Prior mappers
in this are have started to map paths (including some well-known paths, such as
the Ganesh Himal trek).
Note these areas also do not appear to have good helicopter or small plane
landing sites -- they are terraced and steep.
So...can the restriction be relaxed in these remote areas that do not have
roads? If the restriction is relaxed, what should the criterion be?
Also, regarding paths: In some places, paths that are well-defined for part of
their length will disappear under trees, or will be hard to distinguish when
they run along a terrace, or split into multiple less-distinct paths. I'm
wondering if there are other sources of information about paths to and between
remote villages. Perhaps trek guide companies? Old maps that could be
rectified using Mapwarper? Anyone familiar with those areas who could have a
look at the imagery, and advise on where an indistinct path most likely runs?
-- Pat
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Dan Marsh
http://www.dm-photographics.com
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