<div dir="ltr"><div>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 <a href="https://www.openstreetmap.org/traces">https://www.openstreetmap.org/traces</a> that you can upload to; if the phone app knows about OpenStreetMap it will likely give you the option to upload there directly.</div><div><br></div><div>Once a trace is up at <a href="https://www.openstreetmap.org/traces">https://www.openstreetmap.org/traces</a> 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.</div><div><br></div><div>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.</div><div><br></div><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, 13 May 2022 at 11:14, David Woolley <<a href="mailto:forums@david-woolley.me.uk">forums@david-woolley.me.uk</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On 13/05/2022 10:51, Mark Goodge wrote:<br>
> Can anyone suggest a good way to go about that? I've never mapped from a <br>
> survey before, and I don't really know what the process is. Are there <br>
> apps for a phone which I can use to trace lines that I can then transfer <br>
> to OSM later?<br>
<br>
Mapping from a survey is actually the gold standard way of mapping, and <br>
the ability of the general public to do it was what made OSM possible!<br>
<br>
Any good dedicated satellite navigator should be able to log tracks.<br>
<br>
Considering Android, I use OSMTracker, for raw track collection, Keypad <br>
Mapper for house numbers (although I've not used it in a while, and it <br>
comes up with a warning about being built for an old Android), and <br>
Vespucci as a full function editor. The first can directly upload <br>
tracks, although I generally save to a local file. I've never looked <br>
into track support on Vespucci.<br>
<br>
I use JOSM as the main editor, and it can read tracks from local files <br>
or from the server and use them as a background for mapping. You should <br>
not upload the raw track to form the feature, but rather simplify it and <br>
smooth it based on what your eyes told you.<br>
<br>
You can of course use other methods, like pacing or laser range finding <br>
distances, triangulation, measuring photographs, etc.<br>
<br>
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</blockquote></div></div>