[OSM-dev] Workflow for bulk upload of GPX files

[Joseph Eisenberg]

"Should I use something like https://github.com/hotosm/tasking-manager
to manage the entire process

I don't think this is necessary for what you are doing, unless you
have a whole team of people who are going to be working together?

"do the mapper has to look at GPS in one tab and then make the
corresponding change in openstreetmap.org?

No, if you use the iD editor on openstreetmap.org there is an option
for seeing the GPS traces in the area which have already been
uploaded: "In iD open the editor and press B (or select icon
"Background settings") then check "OpenStreetMap GPS traces"

I think it takes a few hours for them to show up after they are imported.

Also note that the GPS trace needs to be uploaded as a public trace to
show up in the iD editor GPS layer:
https://wiki.openstreetmap.org/wiki/Visibility_of_GPS_traces

In JOSM it's possible to either download all of the GPS traces in a
certain area from the servers, or also to directly open an individual
GPX file (or several at one time) and view them along with the
existing OSM data and aerial imagery layers: "In JOSM on the download
dialogue window, tick the box to fetch 'Raw GPS data'."

"I've checked various ways to upload GPX data on OSM but I'm not
getting it right."

I've always uploaded my GPS traces one at a time via
https://www.openstreetmap.org/traces/new - but I believe you can also
make a zip archive of a number of traces and upload them all as one
large GPS trace:
https://wiki.openstreetmap.org/wiki/Web_front_end/How_to_upload_a_GPS_trace

On 5/20/19, Ajay Singh1 <ajay.singh1 at delhivery.com> wrote:
> Hi Joseph,
>
> Thanks for your response. I've extensively cleaned the GPX data and I'm
> marking only those roads as 'missing' ones where I'm getting trace more
> than a threshold number of times, say 5 times.
>
> Few questions -
> 1. Should I use something like https://github.com/hotosm/tasking-manager to
> manage the entire process?
> 2. As you mentioned - "*If possible, the mappers should look at more than
> one GPS trace on the*
> *road: *", do the mapper has to look at GPS in one tab and then make the
> corresponding change in openstreetmap.org? I've checked various ways to
> upload GPX data on OSM but I'm not getting it right.
>
> Is there any documentation/tutorial for this process?
>
>
> On Mon, May 20, 2019 at 5:56 PM Joseph Eisenberg
> <joseph.eisenberg at gmail.com>
> wrote:
>
>> Ajay,
>>
>> It's great that you are adding more GPS traces for mappers to use.
>> These are really helpful for checking the offset of aerial imagery and
>> finding roads and paths to map.
>>
>> I think you first 2 steps look fine. As far as tags for GPS traces,
>> you can look at some other traces in your area to see what mappers
>> usually add. It's common to mention that the trace was obtained by
>> motorcycle, for example
>>
>> For the 3rd step, make sure you follow the best practice for adding
>> highways to OSM. Don't import the GPS traces directly.
>>
>> A single GPS trace along a road will be offset from the centerline,
>> since the motorcyclist has to travel on one side of the road. Also,
>> GPS traces may have errors due to problems with poor signal or
>> reflections in some areas. And GPS traces have too many nodes on
>> strait sections, but sometimes too few around curves.
>>
>> If possible, the mappers should look at more than one GPS trace on the
>> road: at least one from each direction, so that the center of the road
>> is clear. If possible, also check aerial imagery and compare to the
>> GPS trace. The mappers can use the GPS traces and the aerial imagery
>> together to find the centerline of the highway and map that, using the
>> right number of nodes for straight sections and curves.
>>
>> Because of this, it's not possible to find out exactly how many of
>> your GPX files have become roads. But if you are adding GPS traces on
>> roads that are currently missing in OSM, it's very likely that your
>> work will be a main reason that new roads are added, and it will also
>> make them more accurate.
>>
>> On 5/17/19, Ajay Singh1 via dev <dev at openstreetmap.org> wrote:
>> > Hi Team,
>> >
>> > I have got a few thousand cleaned GPX files of motorbikes. These trace
>> > files majorly represent missing roads in OSM (which I have derived by
>> using
>> > months of bikers data and identifying tracepoints which are not near
>> > any
>> of
>> > the road segments in OSM).
>> > I want to contribute to OSM on a regular basis and want to take an
>> opinion
>> > on my workflow for submission of these trace files to OSM.
>> >
>> > Workflow:
>> >  1. Upload all GPX files in bulk using OSM UI(
>> > https://wiki.openstreetmap.org/wiki/Upload_GPS_tracks) or using API(
>> > https://wiki.openstreetmap.org/wiki/API_v0.6).
>> >  2. Pass some GPS-tags, e.g. name, id, status, etc. So, that I can
>> > query
>> > data that I have uploaded.
>> >  3. Have a team of 2-3 people who can then use JOSM or other editors to
>> > make ways/roads from this GPX data to OSM
>> >
>> > Questions:
>> >  1. Is this a correct workflow for uploading and making ways/roads from
>> GPX
>> > files?
>> >  2. Can I use GPS-tags to track of how many gpx files have been
>> > converted
>> > into ways/roads?
>> >
>> > Also, Is there any alternative to have this capability?
>> >
>> > Awaiting a quick response.
>> >
>> > --
>> > Regards,
>> > Ajay Singh
>> >
>>
>
>
> --
> Regards,
> Ajay Singh
>