[HOT] Highway=residential in Africa
cblevins at usaid.gov
Mon Jun 13 16:46:49 UTC 2016
You're absolutely correct. When Courtney and I created the Mozambique
Tracing Guide the original tasks were urban focused, and the scope has
changed to rural areas. Currently a group of interns are mapping those
districts and I've had several inquiries about road classifications. The
guidance I’ve given is to tag all rural roads as unclassified unless they
are clearly labeled/numbered as a “major” road, or very small pathways.
The Africa roads wiki is great and was referenced when creating the
Mozambique guide. Many road examples in this part of the world are
debatable as "unclassified", "tracks", or "paths". It’s almost impossible
to know the use and in some cases classifications may change based on time
of year. A subset of interns copied here (Forrest, Julia, and Alex) have
agreed to review the Mozambique guidance and suggest edits for the rural
landscape. This could be a good opportunity for them to review and comment
on the Highway Tag Africa wiki as well.
More to come.
On Mon, Jun 13, 2016 at 8:01 AM, john whelan <jwhelan0112 at gmail.com> wrote:
> OSM has its roots in the UK and Germany, in the UK highways are classified
> A, B, I think even C and other very minor roads were labelled unclassified
> by Ordnance Survey historically so that is where the term comes from. The
> UK Ordnance Survey was historically important in creating everyday maps.
> By using a standardised set of tags for highways it makes the rendering
> systems life easier. OSMand for example is used everywhere in the world
> and if it had to know about a different set of tags for each country the
> software would be much more complicated. If you’re mapping in OSM of
> course there is nothing to stop you tagging highways in any manner you
> like. The only problem is that the features will not be rendered by the
> normal systems.
> If you’re mapping in a HOT project then you’re expected to follow the HOT
> guidelines for tagging. ie building=yes etc.
> The problem here is the instructions for a group of projects only contain
> a subset of the highway types used for mapping in Africa as defined by the
> African Highway Wiki and the examples shown are all urban areas so the
> instructions although correct are incomplete as the project covers both
> urban and rural areas.
> Cheerio John
> HOT mailing list
> HOT at openstreetmap.org
U.S. Global Development Lab
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