Re: [OSM-talk] problem with the public GPX lines in my JOSM

[Oleksiy Muzalyev]

On 11/12/2018 11:37 AM, Tom Hughes wrote:

On 12/11/2018 10:26, Oleksiy Muzalyev wrote:

To be visible on the OSM map "Public GPS Traces" layer, the GPX 
should be published as "Public". This layer is useful for people, 
who, for instance, do hiking in wilderness. Because sometimes a path 
is not mapped yet, but a GPX trace shows that someone could actually 
walk there. And if there are several traces, it means that there is 
probably a path.


It would be a good idea if these public GPX traces were shown also as 
a line in JOSM.


If you read the description you will see "public" just means the
points are public but the ordering it not.

The "trackable" level extends that to include ordering.

Tom

I got it now. I understood from this page: 
https://wiki.openstreetmap.org/wiki/Visibility_of_GPS_traces


that if I want a GPX trace to be displayed both on the the OSM map 
"Public GPS Traces" layer and in the JOSM as a meaningful line, I should 
publish it with "Identifiable" option.


A GPX trace which was uploaded with "Public" option could be displayed 
correctly only as dots in the JOSM and other editors from now on.


"Trackable" GPX file will not be visible on the the OSM map "Public GPS 
Traces" layer.


I assume (in future) the JOSM editor shall not be attempting to display 
"public" GPXs as a confusing meaningless lines, but only as dots. And 
display as lines the "Identifiable" and "trackable" traces.


Best regards,

Oleksiy


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Re: [OSM-talk] problem with the public GPX lines in my JOSM

[Tom Hughes]

On 12/11/2018 10:26, Oleksiy Muzalyev wrote:

To be visible on the OSM map "Public GPS Traces" layer, the GPX should 
be published as "Public". This layer is useful for people, who, for 
instance, do hiking in wilderness. Because sometimes a path is not 
mapped yet, but a GPX trace shows that someone could actually walk 
there. And if there are several traces, it means that there is probably 
a path.


It would be a good idea if these public GPX traces were shown also as a 
line in JOSM.


If you read the description you will see "public" just means the
points are public but the ordering it not.

The "trackable" level extends that to include ordering.

Tom

--
Tom Hughes (t...@compton.nu)
http://compton.nu/

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Re: [OSM-talk] problem with the public GPX lines in my JOSM

[Martin Koppenhoefer]

Am Mo., 12. Nov. 2018 um 11:26 Uhr schrieb Oleksiy Muzalyev <
oleksiy.muzal...@bluewin.ch>:

> > On 12/11/2018 09:58, Martin Koppenhoefer wrote:
> >> Maybe you are
> >> not sharing timestamps in the trace settings on osm.org
> >> ?
> >
> > Yes a bug was discovered last week ...
> > The bug was fixed and as a result data from those traces is
> > displaying in a confusing way in JOSM
>
> To be visible on the OSM map "Public GPS Traces" layer, the GPX should
> be published as "Public". This layer is useful for people, who, for
> instance, do hiking in wilderness. Because sometimes a path is not
> mapped yet, but a GPX trace shows that someone could actually walk
> there. And if there are several traces, it means that there is probably
> a path.
>
> It would be a good idea if these public GPX traces were shown also as a
> line in JOSM.



you must set them to either identifiable or trackable ("ordered points")
https://help.openstreetmap.org/questions/66689/what-does-unordered-mean-in-visibility-option-for-gps-traces

Cheers,
Martin
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Re: [OSM-talk] problem with the public GPX lines in my JOSM

[Oleksiy Muzalyev]

On 11/12/2018 11:11 AM, Tom Hughes wrote:

On 12/11/2018 09:58, Martin Koppenhoefer wrote:

I would expect this to come from some privacy setting? Maybe you are 
not sharing timestamps in the trace settings on osm.org 
?


Yes a bug was discovered last week which meant that traces that
were marked as "private" or "public" which are not meant to be
ordered were in fact being returned in order and several editors
were taking advantage of that.

The bug was fixed and as a result data from those traces is
displaying in a confusing way in JOSM and (until a few hours
ago) in Potlatch 2.

Tom


Hi Tom,

Thank you for the information.

To be visible on the OSM map "Public GPS Traces" layer, the GPX should 
be published as "Public". This layer is useful for people, who, for 
instance, do hiking in wilderness. Because sometimes a path is not 
mapped yet, but a GPX trace shows that someone could actually walk 
there. And if there are several traces, it means that there is probably 
a path.


It would be a good idea if these public GPX traces were shown also as a 
line in JOSM.


I mean if I publish a GPX file, I would like it to be visible as a line 
both on the the OSM map "Public GPS Traces" layer, and in the JOSM 
editor. Dots-only style in the JOSM is also OK, especially if the dots 
of one GPS trace could be connected with a thin line. Let it be a 
different, thinner line, but a line. Because in places with a lot of GPS 
dots it is not clear which dot belong to which trace.


Best regards,

Oleksiy



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Re: [OSM-talk] problem with the public GPX lines in my JOSM

[nwastra]

Here is a related query from the help site:
https://help.openstreetmap.org/questions/66689/what-does-unordered-mean-in-visibility-option-for-gps-traces

> On 12 Nov 2018, at 8:11 pm, Tom Hughes  wrote:
> 
> On 12/11/2018 09:58, Martin Koppenhoefer wrote:
> 
>> I would expect this to come from some privacy setting? Maybe you are not 
>> sharing timestamps in the trace settings on osm.org ?
> 
> Yes a bug was discovered last week which meant that traces that
> were marked as "private" or "public" which are not meant to be
> ordered were in fact being returned in order and several editors
> were taking advantage of that.
> 
> The bug was fixed and as a result data from those traces is
> displaying in a confusing way in JOSM and (until a few hours
> ago) in Potlatch 2.
> 
> Tom
> 
> -- 
> Tom Hughes (t...@compton.nu)
> http://compton.nu/
> 
> ___
> talk mailing list
> talk@openstreetmap.org
> https://lists.openstreetmap.org/listinfo/talk


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Re: [OSM-talk] problem with the public GPX lines in my JOSM

[Tom Hughes]

On 12/11/2018 09:58, Martin Koppenhoefer wrote:

I would expect this to come from some privacy setting? Maybe you are not 
sharing timestamps in the trace settings on osm.org ?


Yes a bug was discovered last week which meant that traces that
were marked as "private" or "public" which are not meant to be
ordered were in fact being returned in order and several editors
were taking advantage of that.

The bug was fixed and as a result data from those traces is
displaying in a confusing way in JOSM and (until a few hours
ago) in Potlatch 2.

Tom

--
Tom Hughes (t...@compton.nu)
http://compton.nu/

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Re: [OSM-talk] problem with the public GPX lines in my JOSM

[Martin Koppenhoefer]

I would expect this to come from some privacy setting? Maybe you are not
sharing timestamps in the trace settings on osm.org?

Cheers,
Martin
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[OSM-talk] problem with the public GPX lines in my JOSM

[Oleksiy Muzalyev]

The public GPX traces lines in my JOSM are shown chaotically and 
meaningless. But when I switch to the dots-only option, then it is OK. 
On the OSM map the same public GPX is shown correctly, as a meaningful 
line. Also in the iD editor it is the correct GPX line.


This behavior is present on two different computers, one macOS, another 
Windows, both with the latest version of JOSM.



I recorded this GPX with a smartphone app.


Here is the screenshot where this GPX is displayed in JOSM with dots 
correctly:


https://drive.google.com/open?id=1iFApw9KwoAEXOVbzIuXXhwUdINAvfGP2


a screenshot where JOSM shows the GPX as the chaotic lines:

https://drive.google.com/open?id=1MPsZUxh7eZ8Zr-W9sS1PisBZoBy3EgBU


the same public GPX trace on the OSM map is displayed correctly:

https://www.openstreetmap.org/#map=18/45.34008/28.81218=G


in the iD editor it is OK:

https://drive.google.com/open?id=1FnAr0s3EoFUKTL8nay9pTz2s4kF1qszt


There are similar chaotic lines for other public GPXs, which were 
recorded by other people.


Is it only my local problem? Or is it not a problem at all, but a 
feature? I keep changing settings in my JOSM, but these chaotic public 
GPX lines persist. I do not remember having this problem before.



When I open a GPX file locally in JOSM, it is shown correctly. This 
problem appears only with downloaded public GPXs.



Best regards,

Oleksiy


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