specifically indicate inaccuracies and errors in OSM data but
not a lot of ressources are used at the moment to make use of this.
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preconceptions,
dealing with the problems of technical language etc. But doing this
across significant cultural and geographical barriers is a whole other
story.
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and design
and the barriers for those are much higher than for mapping.
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not
establish a name on their own.
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. with British English vs.
American English. In the opposite direction i know transliteration
from Russian into Latin script varies a lot.
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and less important places
verifiability gets difficult.
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for the mapper to
show the names added are verifiable (like by being consciously and
specifically used by several other independent sources).
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parliament comes to mind (Reichstag). [...]
Oh, if we only had that kind of budget...
(just for reference: that was 600 Million D-Mark back then)
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.
Such list will never be complete or even representative.
In particular on an English wiki page services exclusively in other
languages will be underrepresented.
If you want to consider the overall diversity of uses of OSM data you'd
better cast a wider net.
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alternative.
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does not exist here.
So i should have better said among those participating in discussions on
the matter on several occasions there was a large majority in support
for such a change.
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locally for QA tools or validators
in editors - just like in case of the coastline. If you rely on
polygon features creating connectivity in the waterflow network you
need to analyze it in full before you are able to spot where mapping is
broken.
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arising from having
components of the network represented by undirected polygon geometries.
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, and share
your favorite comparisons!
But that is not the 2007 coastline, is it?
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in uniform color a full water flow network is the basis
of almost everything you might want to do. In particular any
differentiated rendering depends on a consistent importance rating
which can only be produced based on water flow analysis.
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and
there are tree covered areas which are neither of these. But in
reality this is not the case and due to the widespread use of these
tags it is likely this will never happen, it would require a systematic
re-assessment of millions of features.
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to high
resolution images from Bing/Mapbox for verification.
In some parts of the Alps you have also local sources with aerial photos
available which usually are from a much stricter time frame in
summer/autumn. As far as i know Andermatt is not included there
though.
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flows out of that reservoir, should a
linear way be drawn through the reservoir to connect the two streams
(the reservoir is currently represented by its own closed way tagged
natural=water, water=reservoir)?
Yes.
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On Monday 02 November 2015, Dave F. wrote:
> I genuinely can't work out if that's said as a joke.
It is not, landcover polygon rendering is sorted by size in the standard
style.
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very likely to frustrate those who participated in
those previous discussions by bringing ideas and arguments that have
been covered in depth previously.
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https:
On Friday 06 November 2015, Paul Johnson wrote:
> Stop rendering this key and instead render the relations
Is there *any* map style that does this at the moment?
AFAIK osm2pgsql does not support including relation membership info in
the rendering database.
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h
subjective. If at the end
of a long process a decision is made without once more listing in depth
all arguments for and against it this does not mean the decision is
arbitrary.
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You might disagree with the outcome but in this
particular point you can hardly say it was not covered in depth.
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rule'. For OSM the boundary is what
locals treat as the boundary.
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e other side.
The general convention in OSM, also for boundaries, is to map the actual
situation on the ground, that is which areas are actually administred
by which authority.
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ed river. Examples:
http://www.openstreetmap.org/#map=15/32.0077/35.5299
http://www.openstreetmap.org/#map=14/0.7489/29.9702
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ayless area to a solidly built gravel road.
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the situation getting again as unbearable
and damaging for the atmosphere on the wiki as it was now."
So far I don't see any indication of attempts for more productive social
interaction.
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tal
On Tuesday 15 September 2015, Alex Barth wrote:
>
> Actually to be precise: OSM world wide, TomTom in US + Canada +
> Mexico.
Not that it matters much but Canada north of Lancaster Sound is OSM
(though coastline is at least a few months old).
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s
bad' without showing that you have considered the reasons why this
change has been made in the first place does not make you very
believable.
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negative.
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. Of course the
congress has the huge advantage of taking place at the same location
every year which simplifies a lot of things.
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On Wednesday 02 December 2015, augustindo...@gmail.com wrote:
> Hi Martin, are you sure ? I tried to subscribe OSMF list 10 days ago,
> I received :
> [...]
Writing to the list is reserved to members, reading it is open to the
public (via the link provided by Martin).
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dition to the right (and in case of HOT apparently the obligation)
to vote for the board you also have the right - together with your
fellow members - to decide who becomes a member. To me this seems a
quite fundamental difference to the OSMF.
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df
According to the available information Kate is a member of HOT - so are
several candidates for the OSMF board:
Mikel Maron
Joseph Reeves
Yantisa Akhadi
Other candidates are active in HOT to some extent (like participating in
HOT mapping tasks) but are not members of the HOT organizatio
structions from the OSM wiki and allowing the OSM
community to provide input and fixes this way.
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use on any scale.
But there is no sense in getting lost in this particular example - it is
just that, an example. So i repeat my suggestion to improve QA of the
mapping instructions and allowing the OSM community to effectively
correct mistakes there.
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ing
different.
Referring to
> Do we not have the same goal of a free map of the entire world?
if instructions like the above indeed describe the aims of HOT for
mapping its vision of a free map of the entire world is indeed very
different from mine.
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ind quite a few entries in
http://wiki.openstreetmap.org/wiki/Lacking_proper_attribution
with a comment indicating a Mapbox map. Not all are still current but
many are.
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g/mc/?lon=13.754608=56.157484=16=3=bing-satellite=mapnik=mapbox-satellite
http://mc.bbbike.org/mc/?lon=13.754186=56.157108=15=3=bing-satellite=mapnik=mapbox-satellite
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use be disputed, conflicting with others or be
frivolous to a varying degree. But there is not really an objective
way to distinguish between 'real' and 'non-real' territorial waters or
legal and illegal territorial claims.
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quite a few cases where water mapping covers the whole floodplain of a
braided river like here:
http://www.openstreetmap.org/#map=12/46.0764/12.8456
Similar situation by the way with landuse=reservoir/landuse=basin -
acutal presence of water vs. dedication of an area for certain use.
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ou want to abolish the water=* or if you just
prefer using waterway=riverbank instead of natural=water +
water=river - which does not in any way conflict with the water=* tag.
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whoever they
want to.
[1]
https://docs.google.com/document/d/1q89ImYlJd4Jm1E9JYL5lpcLGiZDbvYpYg5Vazdg_A2w/edit
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s
at all, it is now for surface=sand (fine pattern) and surface=gravel|
fine_gravel|pebbles|pebblestone|shingle|stones|shells (coarse pattern).
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r than removing an aerodrome based on
the fact that it is not visible on imagery.
See also here for a different angle on the problems of aeroway=aerodrome
as it is currently mapped:
https://github.com/gravitystorm/openstreetmap-carto/issues/1143
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ve waterbody data in OSM is by
actually doing mapping work and correcting errors based on local
knowledge or imagery. You can believe me when i say that factual
errors and inaccuracies are much more common and harmful problems
w.r.t. water area mapping than basic tagging inconsistencies.
-
alite SW are you using?
I am not aware of any software dealing with spatialite files that does
not use libspatialite/SQLite.
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an a human mapper and you would destroy any
chance of actually determining the original intent of the mapper with
such edits.
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ne changes from turning up in the map. If you
want to change coastline tagging of the Russian lakes you should
discuss this with the Russian community instead of simply changing it.
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ut RU contributors about that.
I brought the matter up some time ago in
http://forum.openstreetmap.org/viewtopic.php?id=29127
Situation might have changed since then since the Russian lakes are now
the only ones remaining with coastline tag.
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e, like the significant
upfront investments necessary to produce this kind of data, but solid
support from the already much more successful OSM world by emphasizing
the need and desire for truly open image data would certainly help this
sector a lot.
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an see there have already been reactions in that direction.
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ges for practical use.
And you are right - we should not be so arrogant to think we know things
better than the local community in Benin.
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r.
[1] http://blog.imagico.de/new-franz-josef-land-map/
[2]
http://maps.imagico.de/#map=9/6.702/2.215=en=sat=osmim=3=8
tms:http://imagico.de/map/osmim_tiles.php?layer=S2A_R022_N06_20151221T103009={zoom}={x}={-y}
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data for this
> function without any visible attribution to OSM.
Looks like it.
The area shown by the way is here:
http://mc.bbbike.org/mc/?lon=100.565099=13.736474=17=3=nokia-map=mapnik=google-map
Is there any mentioning of OSM in the app? Like hidden on some 'about
page' or similar?
ften than you probably think but ultimately it also
does not work in many cases because not every mapper is willing or
capable to do this.
And - since you always talk about enforcing rules - this is generally
not about enforcement, this is about maintaining a friendly and
consistent environm
the DWG making sure mappers comply with
the rules are open to everyone.
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representative.
This of course does not mean a direct vote of some sort on things (see
the tag voting process) would be any more representative.
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therefore there has been discussion how to deal with
that. But as far as i can see none of the changes mentioned in this
thread can be considered borderline cases in that regard.
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iverbank tag is that it was originally meant and is
widely understood to be a way tag while today it should normally be
applied to the multipolygons relation. Cleaning up such ambiguities -
not mechanically as it has been suggested in the past but with
individual verification - using either waterw
particular it would be important to
know if there are situations where the new database schema leads to
incorrect mapper feedback through the the way things are rendered.
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rg map:
http://mc.bbbike.org/mc/?lon=-2.521598=51.318976=15=3=mapnik-german=mapnik=geofabrik-standard
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h a lot of input from various
sides for half a year - so at this stage this is more about
communicating this change to a wider range of people (and also
application developers) than about "opening a discussion".
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s in case of the
Suez Canal).
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ecision process transparent.
But this is just my personal view of course and i am not in a position
to impose this on anyone so it is safe to just ignore my opinion here.
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we are grateful for the bids to host State of the Map
> (OSMF) and we are happy to help interested groups prepare future
> bids.
Is this process openly documented somewhere? Last Sotm WG minutes on
http://wiki.osmfoundation.org/wiki/Working_Group_Minutes#StateoftheMap_Organizing_Committee
olygon
size.
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of large scale tracing work seems a much more productive
way and much more compatible with normal manual mapping in OSM.
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keep them.
Of course this task would be technically non-trivial, many of these
polygons are large, a lot of big river polygons that should be split
into smaller ones etc.
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The name 'SOTM EU' is probably too often read with a political
connotation - better to see it just as SOTM Europe, in principle this
could take place outside the EU as well - Switzerland, Norway,
Russia, ...
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ation.
I don't think it would be appropriate for the standard map style to
render these figures independent of physical observable properties like
this.
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re desirable for other reasons
anyway.
Some more background information and a link to an implementation of this
idea can be found on
https://github.com/gravitystorm/openstreetmap-carto/issues/1781#issuecomment-241061156
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ic data but you are not the
first to ask for it:
https://github.com/joto/taginfo/issues/93
The easiest way to determine this for low volume tags at the moment
probably is via overpass API. For high volume tags you need to process
the history planet.
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ps://github.com/tyrasd/taghistory.
Very nice.
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that but something like "using
free tile services from osm.org" + a donation link would not seem
inappropriate to me.
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proposed text design is kind of strange by the way since it
emphasizes 'StreetMap' relative to 'Open' - even though 'Open' is, as
most know, the only part of the name that truly fits (Simon also
mentioned this on github by the way).
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cal mapper after moving away and how
far you can become a local mapper during a short term visit is an open
question. But this is just minor semantics. The important thing is
that OSM is primarily about local knowledge and human assessment of the
on-the-ground situation.
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n error but taginfo tells us
that there are more than 22000 wikidata values that are used more than
once.
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ou usage
statistics for the values used:
http://taginfo.openstreetmap.org/keys/?key=wikidata#values
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On Wednesday 04 January 2017, Andy Mabbett wrote:
> There are circumstances where it is legitimate for a
> Wikidata value to be used more than once.
Then you'd need to change the tag definition on the wiki to reflect that
(and to explain what these circumstances are).
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munity is interested in outside advise how to
productively map large and remote areas without imports i am sure there
are many people who would be glad to provide input. But lets separate
this from the discussion here (which is about wikidata tags).
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http://www.imag
o the most common tag for
indicating tidal features is tidal=yes and not water=tidal.
You do not seem to render natural=shoal and wetland=tidalflat which are
the dominant ways of mapping tidal areas at the moment (though
admittingly wetland=tidalflat does not really make much sense for rocky
tid
which are very useful for the community. Fixing them is
something where a manual approach with local knowledge is considered
desirable by most mappers though.
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desirable by the expensive humans on a per case basis.
If this seems unreasonable to you it could be a good idea to consider
OSM might not be the right project for you.
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added without actually looking at the
data and the real world situation. Rory already explained this for one
case but you can widely look around there and find many more.
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emoved.
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n reverting others' work. The on-the-ground rule usually
gives us a very powerful tool to resolve conflicts, something that
other communities like wikipedia lack.
And the user blocks - which are the only real power of the DWG - are
well documented on http://www.openstr
e sitting in Toronto, Montreal or Vancouver [is] really more
of a local mapper on Devon Island or Ellesmere Island than someone from
Britain, Germany or Russia?"
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tal
l mapping activity.
However as long as the bad quality Corine data is there and meant to
stay few people are interested in editing this mostly meaningless data.
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owsing - than an always on message on the map display. Of course
many app developers do not look for a good way to do this but just look
for the least generous way to avoid getting sued.
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are western and
central Europe (mostly, there are gaps even in that, in particular in
the Italian Alps). And these are obviously not particularly difficult
in terms of forest mapping.
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uld not
means the task in question is undesirable or even unimportant, it just
means that ten other things are considered to be more important.
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ian: 18
Commercial products/projects: 13
Academic research: 12
Local communities international: 12
Local Japanese community: 10
General technical subjects: 9
General community subjects: 7
Others that do not fit any category: 4
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htt
offers a product called "OpenStreetMap Data in
Layered GIS Format" [1] - that is certainly a nominative use but at the
same time also "sell(ing) stuff with OSM’s brand on it" as per section
3.4.
[1] http://www.geofabrik.de/data/geofabrik-osm-g
enStreetMap' when
advertising commercial services and products based on OpenStreetMap
data. This could be considered to fall under 3.3
(nominative/referential use) but 3.3.3 specifically excludes commercial
purposes.
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m essentially no rules to these - however strict or lenient
you might consider them) will have.
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r
opinion in open discussion even if it appears to you they are in error
(which might at least in some cases be due to you misunderstanding
them).
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eetMap" and "OSM" and similar/composite terms
being used much less even in fairly strictly OSM related projects that
the OSMF would probably have no problem with using the name.
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ey are member of a relation or not -
which is a good thing and ultimately should also make it easier for
mappers understanding how multipolygons work.
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