[Talk-GB] Mapping from a survey

[Edward Catmur]

A bit more depth - the phone app will produce a file in GPX format which
you can then upload or transfer to PC. There's a repository of GPS traces
at https://www.openstreetmap.org/traces that you can upload to; if the
phone app knows about OpenStreetMap it will likely give you the option to
upload there directly.

Once a trace is up at https://www.openstreetmap.org/traces you can edit
with it online in iD (the trace appears as an extra layer) or download it
to edit in a desktop editor (e.g. JOSM). Of course if you're using a
desktop editor you don't have to upload the trace at all, you could just
transfer it from phone to PC; but uploading the trace means that other
people can check against it.

wrt apps to use, I'd suggest OsmAnd - it's a good all-round app for map
display and navigation, with lots of extra functionality including tracing
and (limited) OpenStreetMap editing.

On Fri, 13 May 2022 at 11:14, David Woolley <forums at david-woolley.me.uk>
wrote:

> On 13/05/2022 10:51, Mark Goodge wrote:
> > Can anyone suggest a good way to go about that? I've never mapped from a
> > survey before, and I don't really know what the process is. Are there
> > apps for a phone which I can use to trace lines that I can then transfer
> > to OSM later?
>
> Mapping from a survey is actually the gold standard way of mapping, and
> the ability of the general public to do it was what made OSM possible!
>
> Any good dedicated satellite navigator should be able to log tracks.
>
> Considering Android, I use OSMTracker, for raw track collection, Keypad
> Mapper for house numbers (although I've not used it in a while, and it
> comes up with a warning about being built for an old Android), and
> Vespucci as a full function editor.  The first can directly upload
> tracks, although I generally save to a local file. I've never looked
> into track support on Vespucci.
>
> I use JOSM as the main editor, and it can read tracks from local files
> or from the server and use them as a background for mapping.  You should
> not upload the raw track to form the feature, but rather simplify it and
> smooth it based on what your eyes told you.
>
> You can of course use other methods, like pacing or laser range finding
> distances, triangulation, measuring photographs, etc.
>
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