[OSM-talk] How to get an overview of multiple gpx on OSM map?

Tue Nov 6 11:37:52 UTC 2018

Thank you, dikkeknodel.

I also received an email message with an advice to acquire Garmin 
eTrex.  I've ordered the Garmin eTrex 35 Touch with the pre-installed 
«TopoActive» Karte Europa, which is based on the OSM data, as I understood:
https://www.brack.ch/garmin-hand-gps-etrex-touch-370929

It supports the EGNOS, European Geostationary Navigation Overlay 
Service, which is supposed to correct the GPS signal. I have no idea how 
it works in reality. It also has got the GPS and barometric altimeters.

Best regards,
Oleksiy

On 05.11.18 19:59, _ dikkeknodel wrote:
>
> Hi all,
>
> Thanks for all the great advice. I’ve looked into uMap and it does the 
> job perfectly. With all the gpx of over a year of hiking imported it 
> still runs smoothly.
>
> I would like to prevent running into performance issues later though. 
> Does anybody know if it is wise to add ‘simplified’ versions of the 
> gpx to uMap instead of the original recordings with 1 s resolution?
>
> Since the published data is public, I just have to take into account 
> not to import gpx which start from my home since I value my ‘sort of 
> anonymity’.
>
> *@Oleksiy*
>
> To answer Oleksiy’s question, I record with OSMand on a Moto G4 
> smartphone, that works like a charm. Off course there is fluctuation 
> due to accuracy errors, I guess 10-15 m is achievable most of the 
> time, but close to near vertical mountains it becomes much worse.
>
> It however does never happen that I miss long stretches of data 
> (except for tunnels 😝). I did have that problem in the past, when 
> <15% battery charge and Android automatically started the battery 
> saving mode. That just turned of the gps antenna whenever the screen 
> was off. So now I have set battery saving mode to off.
>
> Also OSMand does not drain the battery much. Usually I do take a lot 
> of notes which OSMand attaches to the gpx and loads perfectly into 
> JOSM. Recently I also used the voice recorder of OSMand, which really 
> speeds up the note taking while on the go in comparison to typing. 
> These also load into JOSM via the gpx, but some fiddling with the 
> location of the audio is required. Taking notes on the phone does have 
> an effect on the battery life off course. A 20 km hike in the 
> mountains easily takes 6-8h, which my phone reaches most of the time 
> on one charge in flight mode. I do have a power-bank as back-up, and 
> for multi-day hikes though.
>
> Altitude measurements have always been a bit tricky with OSMand. I 
> guess the raw elevation data from gps fluctuates quite a lot, and the 
> data processing did not do a good job filtering errors from actual 
> elevation change. After a hike with 1000m elevation gain according to 
> the map, OSMand often showed I did 5000m... The graph of the track you 
> can generate in OSMand also showed a lot of spikes with instant 
> ascents of >200m. Recently that seems to have changed and the 
> measurements seem to better represent the actual situation.
>
> Hope this helps you with you work OSM workflow!
>
> Cheers,
>
> dikkeknodel
>
> *Van: *Oleksiy Muzalyev <mailto:oleksiy.muzalyev at bluewin.ch>
> *Verzonden: *zaterdag 3 november 2018 18:51
> *Onderwerp: *Re: [OSM-talk] How to get an overview of multiple gpx on 
> OSM map?
>
> Hi _dikkeknodel,
>
> I have a question - how do you record a GPX trace during 20 km walk? 
> It should be about 4 hours.
>
> I also record GPS traces but usually for 15-20 minutes. I use a phone 
> with the OSMTracker app for Android with mixed results. Sometimes it 
> records a path well, sometimes it turns the second part of the walk 
> into a long direct line. Such a trace I usually discard.
>
> Besides it empties the phone battery rather quickly. I usually take a 
> power-bank with me, but still it is not a good solution to get a phone 
> battery empty in mountains.
>
> I am thinking of getting a dedicated device which can record the GPX 
> files, on the OSM map, and also measure and altitude more or less 
> correctly. The question is - what device, what model.
>
> Best regards,
> Oleksiy
>
>
> On 03.11.18 16:09, _ dikkeknodel wrote:
>
>     Hi all,
>
>     Ever since I moved to Switzerland over a year ago I’ve been both
>     hiking in the mountains and updating OSM details a lot. Since I
>     hike at least 20 km every weekend, it must have totaled to about
>     1200 km by now all across the country. I would love to get an
>     overview of where I have been so far.
>
>     Since I’ve got a GPX file of almost every hike, the data is there.
>     I am now looking for a nice graphical way to plot all of these
>     files at once on a nice OSM map, OpenTopoMap as a base layer would
>     be great.
>
>     I’ve been searching for a while how to arrange this (without much
>     programming knowledge), but I am kind of lost at the moment.
>
>     Does anybody have a hint?
>
>     Cheers,
>
>     dikkeknodel
>
>
>
>
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