Re: [OSM-talk] [Osmf-talk] A Better Map

[Oleksiy Muzalyev]

I usually map house numbers on Sunday morning when there is less
traffic. I use bicycle and a specialized application for smartphone for
collecting address (with a smartphone stylus).

It is better to map addressable first, say, 30 large buildings where
1000 people live or work, than 60 small buildings, where 100 persons live.

And de facto it is always not about house numbers only, as during such
on-the-ground surveys one corrects street names, adds POI, building
names, etc. We just make a photo of a sign or a plaque, again with the
smartphone camera, and see to it later. Nothing can replace an
on-the-ground survey, of being there physically.

Besides, it is interesting, because it is a possibility to visit and
learn areas of a city, which one would never visit otherwise, to make
discoveries for yourself, to maintain an explorer spirit.

It is surprising how much map area one can cover on bicycle during one
Sunday morning expedition. I would say one weekend mapper is capable to
map addressable a medium city in couple of years. Perhaps, not
exhaustively, but major buildings.

brgds,
Oleksiy (Alex-7)

On 22.10.2014 13:59, Marc Gemis wrote:
 ... I have a bad feeling about how feasible it is to crowd surf house
 numbers...

 regards

 m



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Re: [OSM-talk] The world’s best addressable map

[Oleksiy Muzalyev]

I agree that addresses is a complicated field. There are different
historical systems, there are cities where even many streets are without
names, etc. There is a lot of space for innovation, certainly.

What I meant is that it is not obligatory to map a city or a town
addressable from one end to another, one house after another, or wait
until a municipal government releases into public domain its database of
addresses (which may be not without errors or omissions too).

If there are, say, 10% of buildings where 90% of the population lives,
studies and works, it makes sense to map them addressable first. Often
these are large modern buildings with clear addresses.

And it is much easier to return into the same area for the second time,
when there are already at least some large buildings with numbers, much
easier to orientate oneself.

I see from your example that in the city of Reykjavik almost every
building has a number, so you have a more advanced set of priorities.

Best regards,
Oleksiy

On 23.10.2014 10:39, Jóhannes Birgir Jensson wrote:
 I like addresses but they don't behave like you would think. For
 example we have a part of a street that has each individual flat as
 its own address number. We first used the number;number;number;
 approach but I'm now in favor of naming the house what it says on the
 front (the range 37-51) and then put address nodes on the building so
 it appears in search, with roughly the position accounting for where
 in the house the apartment is. In this case the numbers closest to the
 street are at the bottom floor (the stadium approach I favor). I'm in
 favor of moving this same method over to the other houses.

 http://www.openstreetmap.org/#map=19/64.13635/-21.79883

 As for being able to search within a specific town or area then I
 think we should look again at relations and super-relations. You could
 group streets relations into a neighborhood relation and then into a
 town or municipality relation etc. This of course works very
 differently based on country but for Iceland I can't see us hitting
 any limits.

 https://wiki.openstreetmap.org/wiki/Super-Relation

 Regards on behalf of the Icelandic Local Chapter applicant,
 Jói

 Þann 22.10.2014 18:28, skrifaði Clifford Snow:
 On Wed, Oct 22, 2014 at 5:04 AM, Oleksiy
 Muzalyev oleksiy.muzal...@bluewin.ch
 mailto:oleksiy.muzal...@bluewin.ch wrote:

 It is not necessary to put down a number on each building. It is
 possible to use /addr:interpolation/ (/odd, even/, or /all/).

 We put down a number on the first building, then on the last,
 connect them in JOSM, and add /addr:interpolation: all /. For
 example here: http://osm.org/go/0CFn0AZ_d--?m= . It is also very
 useful on a street with many small houses. And it is searchable.
 For example if there is number 15 and number 27 on the map for a
 street, and they are connected with /addr:interpolation:
 odd, /and/ /if one searches number 21, the map will show the
 number 21 all right.

 Then, there is another approach. We first map addressable large
 building, where a lot of people live or work. Kind of of going
 after the low-hanging fruit.





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Re: [OSM-talk] GoPro video traces?

[Oleksiy Muzalyev]

It is possible to upload photos to the  Crowdsourced Street Level Photos
http://www.mapillary.com/ from its smartphone application or manually.
The photos just must have the following EXIF tags:
[GPSLongitude]
[GPSLatitude]
[DateTimeOriginal,DateTimeDigitized,DateTime,GPSDateStamp]
[Orientation]

I tried to upload to the Mapillary photos from Canon 70D camera with the
GPS receiver Canon GP-E2. It recognizes them all right and places them
on the map in the right spot.

But GoPro-4 makes about 120 fps (frames per second) in video mode. It
means 120 photos per second, in one minute it will be 720 HD photos. I
think it will overwhelm the server.

Perhaps, in photo mode? Though I do not own GoPro.

brgds
Oleksiy

On 23.10.2014 12:20, David Cuenca wrote:
 There are many people who record both a gps trace and a video of their
 itinerary.
 Do you think it would be viable to use these videos as a sort of
 street view by associating the frames to a location? When there is no
 gps trace, it could be done by interpolation, defining synchronization
 points between map and video.

 It is not 360°, but at least there would be some images of remote areas.

 Cheers,
 Micru


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Re: [OSM-talk] GoPro video traces?

[Oleksiy Muzalyev]

I mapped house numbers in this area http://osm.org/go/0CFtB2b71--

As you can see there are service roads with private access. I never had
any problem to cycle on these roads, note the numbers and put down
numbers into a smartphone application. But I would not want to film with
a video-camera continuously in such areas.

I used to employ the /OSMPad/ application for mapping numbers
http://wiki.openstreetmap.org/wiki/OsmPad , but for some reason it
stopped working on my iPhone after iOS 8 update. And there is no update
in App Store.

I took just seconds to map several houses with the /OSMPad/ , no more
than to stop and check an SMS or a Whatsup message. I downloaded
/OSMhunter/ and will give it a try. But I have a feeling that
disappearance of /the OSMPad /would be a major setback/./

brgds
Oleksiy

On 23.10.2014 13:59, David Cuenca wrote:
 ... with 360° HD cameras getting cheaper, maybe it would be possible
 to use them for locating street numbers.


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Re: [OSM-talk] The world’s best addressable map

[Oleksiy Muzalyev]

This is selfevident. Without more or less complete addresses the map
cannot be used in, say, an ambulance application, or in a delivery
service application, etc. It is unusable.

But if there is a /critical mass/ of addresses for a town or a city,
then the rest could be completed by the same ambulance or delivery
service drivers. They actually drive to a certain address, and may mark
it on the map for future calls or deliveries.

On the other hand, in mountains I always rely on GPS traces, as a GPS
trace means that someone really walked this way. A GPS trace is the most
important in mountains. So World's most complete map seems to be OK.

brgds
Oleksiy


On 23.10.2014 18:56, st...@asklater.com wrote:
 ...
 What I really mean is the “world's most complete open map”. There are
 three pieces to a modern map. There's the display piece, the routing
 and the geocoding.

 We won the display piece. It looks great. We are ok at routing. Not
 perfect or great, but ok. We're really lacking on the addressing...

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Re: [OSM-talk] Addresses are a tiny fraction of what we do

[Oleksiy Muzalyev]

In the city of Karviná, in your example, these two industrial buildings
are much larger in reality than imported:

http://osm.org/go/0LZc_9WgW?m=

http://osm.org/go/0LZc_2625?m=

But they can be corrected in JOSM easily. And it is not a big deal.

An excellent stadium and a soccer pitch are not mapped here:
http://osm.org/go/0LZeTNDQl-?m= , it is not like some shed missing. But
in general, the map of Karviná is impressive.

Sometimes municipal databases were created in 90s, with obsolete
equipment, by employees who could not care less. But sometimes they are
of good or medium quality.

An import can be reviewed and corrected with satellite imagery or a
survey. So both approaches are mutually-reinforcing.

brgds
Oleksiy

On 24.10.2014 12:48, Paweł Paprota wrote:
 ... did an awesome import of addresses
 and buildings. Now compare it with the Polish side:

 http://www.openstreetmap.org/#map=16/49.8719/18.5786


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Re: [OSM-talk] The world’s best [Cycling] map

[Oleksiy Muzalyev]

Hi Dave,

The Danube Cycle Path (Donauradweg) is arguably one of the best in the
world. Here is a camping site for cyclists near Linz:
http://osm.org/go/0JhPQJjmt--?m= . As you can see the camping site is
mapped with an address and a name.

There are such camping sites every 40 - 50 kilometers. There is usually
a kitchen, washing machines, etc. Everything in excellent condition and
affordable.

The Danube Cycle Path (Donauradweg) goes all the way from Vienna to
Linz, to Passau, on so on for hundreds kilometers on both sides of the
Danube river. It is very popular route.

During a long distance cycling tour one may want to visit also a bicycle
shop for a repair, a hospital or a pharmacy, a supermarket, sometimes a
hotel, etc. In such a case almost everything is cycling infrastructure.

Best regards
Oleksiy

 
On 24.10.2014 17:29, Dave F. wrote:
 ...
 I, too, have a vested interest: in cycling (because I bloody love
 doing it). I ask, nay, demand, that everyone down tools, stop what
 they are doing  map all cycling infrastructure, to make OSM the
 world's best map for riders of bikes.
 ...
 I don't find adding addresses fun so I don't do it.
...

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Re: [OSM-talk] The world’s best [Cycling] map

[Oleksiy Muzalyev]

Hi Pierre,

There are probably many such cycle paths. I cycled myself at North Sea
Cycle Route [1], from Hamburg to Copenhagen, Chesapeake  Ohio (Great
Allegheny Passage) [2] from Washington D.C. to Pittsburgh, Pennsylvania,
and Danube Cycle Path.

The map is always a critical item, as a speed of a bicycle and cyclists'
endurance are limited. There is not much margin for an error, especially
if it is getting dark, or if it rains, etc. Everybody uses a map
constantly on a cycling tour.

brgds
Oleksiy

[1] http://www.northsea-cycle.com/
[2] http://bikewashington.org/canal/
http://www.atatrail.org/

On 24.10.2014 18:39, Pierre Béland wrote:
 OSM is a good place to document information about these various
 circuits. I wonder if there is any relation like for Camino de
 Santiago trail to document such cycling route infrastructures, adding
 in a relation the infrastructures such as campings, repair shops, etc.

  
 Pierre


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Re: [OSM-talk] Fwd: OSM country interviews

[Oleksiy Muzalyev]

I was impressed by the story from Nicaragua, by the map of the city of
Managua [1]. Many streets of this city do not have names, bus stops and
routes are often unofficial. In the past people could not leave home in
the evening because it was too difficult to find the way back. It is
very large city.

Everything changed with appearance of GPS enabled smart-phones. At the
same time commercial maps are not interested in mapping such cities.

Indeed, any address is just two numbers, or a link, or a QR-code. Why
support inefficient expensive legacy addressing system at all? And in
some cities the legacy addressing system does not exist anyway, at least
in a comprehensive form, and will never exist.

So if smart-phones and mobile internet access become ubiquitous and
affordable, it will be such cities, which are not burdened by legacy
systems, where innovation may happen.

[1] http://osm.org/go/YQmN561Q-

Best regards,
Oleksiy

On 26.10.2014 01:51, Richard Weait wrote:
 The wide difference between what the German community and Canadian
 community had to present in Limerick was stark.  :-)  It was
 inspirational to see countries that were further along the
 OpenStreetMap curve and mapping street furniture and infrastructure
 like lamp posts, while others were a long way from completing a basic
 road network, or even major bodies of water.


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Re: [OSM-talk] discussion: inclusion and alcohol

[Oleksiy Muzalyev]

There's a variety of ways to meet and talk. At this event about three
thousand people meet every Sunday. As you can see they eat, drink and
talk together [1] all right.

There is also child-care service [2], and genders are represented about
equally [3], age groups too.

By the way, the main event takes place on December 5 - 6, 2014 [4]. The
online registration is open until November 9. It is an international
event with 35000+ participants. There are different age groups, from 6
to 70+ years.

brgds
Oleksiy

[1] http://www.escalade.ch/photos/2014/entrainements/62/3429.jpg
[2] http://www.escalade.ch/photos/2014/entrainements/62/3399.jpg
[3] http://www.escalade.ch/photos/2014/entrainements/59/3249.jpg
  http://www.escalade.ch/photos/2014/entrainements/60/3302.jpg
[4] http://escalade.ch/web/2014/en

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Re: [OSM-talk] discussion: inclusion and alcohol

[Oleksiy Muzalyev]

WHO data [1] does not corroborate it. Both countries have comparable
litres per capita per year.

[1] http://en.wikipedia.org/wiki/List_of_countries_by_alcohol_consumption

brgds
Oleksiy

On 04.11.2014 14:33, Kathleen Danielson wrote:
 ...
 As an aside, since I am an American I cannot say whether this is just
 an American problem. I will say that I also find many tech events in
 Berlin are focused around alcohol, but perhaps the events I've
 attended have been anomalies. 
 ...


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Re: [OSM-talk] discussion: inclusion and alcohol

[Oleksiy Muzalyev]

I looked at the data of The World Health Organization (WHO), a
specialized agency of the United Nations. It is the second list.

brgds
Oleksiy

On 04.11.2014 15:23, Tom Hughes wrote:
 On 04/11/14 14:03, Oleksiy Muzalyev wrote:

 WHO data [1] does not corroborate it. Both countries have comparable
 litres per capita per year.

 [1]
 http://en.wikipedia.org/wiki/List_of_countries_by_alcohol_consumption

 Well are you looking at row 1 or row 23 because both are apparently
 for the US but they indicate radically different consumption levels...

 Tom



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Re: [OSM-talk] discussion: inclusion and alcohol

[Oleksiy Muzalyev]

Here is the WHO (World Health Organization) statistics of /heavy 
episodic drinking among drinkers, males and females /[1] by country for 
2010. It is in the form of interactive graph (Requires Flash player).


[1] 
http://www.who.int/gho/alcohol/consumption_patterns/heavy_episodic_drinkers/en/


brgds
Oleksiy

On 04.11.2014 17:03, Elena ``of Valhalla'' wrote:

... levels of both binge-drinking and drunkenness ...


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Re: [OSM-talk] discussion: inclusion and alcohol

[Oleksiy Muzalyev]

Hi Kathleen,

OK. No more statistical data in this topic (just wanted to make a point
that drinking is present in the traditional culture of many countries).

As for the inclusion, - the industry provides nowadays a large choice of
alcohol-free beer, wine, sparkling wine [1]. And even alcohol-free
vodka, alcohol-free whiskey, tequila, brandy, etc. [2].

If one drinks cola or orange juice at a social event, people start to
ask questions, Why you do not drink but your friends do. But if one
drinks alcohol free-beer or alcohol-free wine nobody even notices
(speaking from experience). Nobody usually cares to read on the label of
a bottle what percent of alcohol it contains. And the bottle itself
looks exactly like a bottle of a traditional beer, wine, etc.

[1] http://www.alcoholfree.co.uk/
[2] http://shop.arkaybeverages.com/8-alcohol-free-vodka

brgds
Oleksiy

On 04.11.2014 18:12, Kathleen Danielson wrote:
 Do you think that we could take the conversation on alcohol
 consumption statistics to a different forum? I don't think that's
 adding value to our discussion of making sure that we aren't excluding
 folks who prefer not to drink. 


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Re: [OSM-talk] discussion: inclusion and alcohol

[Oleksiy Muzalyev]

Joseph,

During millions of years of evolution eating and drinking together meant
that people belonged to the same tribe. Drinking together is beneficial
for a group cohesion. It is in our culture and in our genes.

Certainly, if I go to a sport event people drink tea and water there. I
just wanted to say that at a large social gathering people may have a
choice what to drink without being conspicuous, without imposing an
agenda to others.

brgds
Oleksiy

On 05.11.2014 11:56, Joseph Reeves wrote:
 Oleksly,

 As for the inclusion, - the industry provides nowadays a large choice of
 alcohol-free beer, wine, sparkling wine [1]. And even alcohol-free
 vodka, alcohol-free whiskey, tequila, brandy, etc. [2].

 I don't think we should be relying on the alcohol producers to be
 providing us with opportunities for inclusion. You're basically saying
 hide the fact that you don't drink alcohol whereas the message I got
 from the discussion was we need to provide social events that don't
 revolve around (at least some people) drinking alcohol.

 If one drinks cola or orange juice at a social event, people start to
 ask questions

 You're going to the wrong social events.

 Cheers, Joseph



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Re: [OSM-talk] discussion: inclusion and alcohol

[Oleksiy Muzalyev]

On 05.11.2014 12:23, Serge Wroclawski wrote:
 Olekisy,
 ...
 for me, it's not the alcohol per se, but the whole bar/beer culture.
 It's not that if you provide some beverages, I'm more willing to go,
 it's that being in a loud, crowded place is quite literally painful,
 and so while I will tolerate accepting some level of pain for some
 period of time, when given the choice between doing that and not doing
 it, I will generally choose not to. ... the SOTM US social
 events have either taken place at a bar (starting from the very first
 one in Atlanta),...
Serge,

Alcohol could be sold only in certain places [1]. Many do expect it, and
it is impossible to change on the fly.
By the way, any normal person feels a bit painful, for the lack of a
better word, during a large social meet  mingle event. But nothing can
substitute it.
 ...
 , even though Brits tend to have more of a beer culture than even Americans.
 ...
I promised not to bring data into this discussion, so I will not argue it.

[1] http://www.njsp.org/news/pr070214.html

brgds,
Oleksiy

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Re: [OSM-talk] State of the Map US 2015 in New York, NY, June 6-8

[Oleksiy Muzalyev]

Although it is situated in New York City, the//land occupied by the 
United Nations Headquarters and the spaces of buildings that it rents 
are under the sole administration of the United Nations. They are 
technically extraterritorial through a treaty agreement with the U.S. 
government (1).


The General Assembly Hall is the largest room in the United Nations, 
with seating capacity for over 1,800 people. (2)


(1) http://en.wikipedia.org/wiki/Headquarters_of_the_United_Nations
(2) 
http://www.samrohn.com/360-panorama/united-nations-general-assembly-hall-nyc/ 
(a nice 3-D panorama of this historical hall)
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Re: [OSM-talk] State of the Map US 2015 in New York, NY, June 6-8

[Oleksiy Muzalyev]

I meant that the UN General Assembly Hall is an appropriate venue for a 
combined Stated of the Map (EU, US, World, etc.). There was such a 
suggestion.


It would be a challenge to fill up this hall with the capacity of 1800+ 
in any case. If it is a large combined event, it could generate positive 
international publicity for the project.


The UN has got headquarters and large halls in three other cities, - 
Nairobi, Vienna, and Geneva. So this approach could be continued later 
in other cities too.


And there is still more than enough of time till June to obtain a visa.

brgds
Oleksiy

On 12.11.2014 13:22, SomeoneElse wrote:

On 12/11/2014 03:13, Oleksiy Muzalyev wrote:
  They are technically extraterritorial through a treaty agreement 
with the U.S. government (1).


Good luck getting there without a US visa though!

Cheers,

Andy



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Re: [OSM-talk] Unelected OSMF advisers

[Oleksiy Muzalyev]

There is a good Chinese proverb, Wisdom begins with acceptance of
reality. If it is the reality, it makes sense to accept it and create a
transparent explicit OSM Meritocracy Technical Council (MTC), the second
branch of authority, in addition to the OSMF Board.

Merits could be clearly defined. For example, if a user has got more
than twenty thousand meaningful edits, or published say three articles
in main stream media  about the OSM recently, or works on significant
hardware or software OSM projects, etc. she/ he could apply for the
Meritocracy Technical Council membership.

Representative democracy (indirect democracy) is much better than a
tyranny, not doubt about it, but it is, probably, not the end of the
history yet. There are readily available tools nowadays to verify the
achievements (merits) directly and unambiguously (number of edits,
articles' URLs, projects' URL, etc.)

Both branches could be mutually reinforcing, especially if the roles are
clearly defined and harmonized. Not Meritocracy vs. Democracy (1), but 
Meritocracy and Democracy.

Best regards,
Oleksiy

(1) http://tildehash.com/?article=meritocracy-vs-democracy

On 17.11.2014 16:58, Steve Coast wrote:
 ... since almost all of the important roles in osm are unelected...

 On Nov 17, 2014, at 7:41 AM, Richard Fairhurst rich...@systemed.net wrote:

 I am a little concerned that the (already overwhelming) task of fixing OSMF, 
 which has been entrusted to a board of seven good people, is being made 
 still harder by people in mysterious unelected roles offering their advice.



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Re: [OSM-talk] Search results for disputed territories (Nominatim)

[Oleksiy Muzalyev]

Hi,

Just wanted to let you know that you are not alone who is making an 
effort to understand how Nominatim database works.


When I try to pull about fifty locations into an XML file with a query 
by the tag *int_name* either from:


http://nominatim.openstreetmap.org/search/
or its mirror:
http://open.mapquestapi.com/nominatim/v1/search.php

it returns all but four locations. I tried to rewrite *int_name* tag for 
these 4 locations. Tried to rewrite again, while making sure that I use 
English characters. It does not help.


But when I pull these objects with combination with their respective 
city name, it returns them all right. I am trying to figure out the 
reason of this issue for several weeks already.


Perhaps it will just take some time to understand how Nominatim database 
works. It seems that it is not that simple as an SQL query to say MySQL 
database. The Nominatim database should be very big, and there could be 
some limitations, or delays, ...


brgds
Oleksiy

On 24.11.2014 2:43, maning sambale wrote:

Hi,

We were informed by our national mapping agency of this concern.  For
a brief of background,
the Philippines have several disputed islands with China one example
is Scarborough Shoal [0].

The Nominatim result assigns it only to Sansha City, Hainan, People's
Republic of China [1]

To avoid further edit wars, we tagged the boundary as disputed territory [0]

I believe the data is correct having properly tagged in an admin_level
relation for both countries.

Zambales, Philippines: http://www.openstreetmap.org/relation/1504691
Sansha City, China: http://www.openstreetmap.org/relation/2833102

I propose that Nominatim either display all the results or none at all
(saying it is a disputed territory) to avoid confusion.

Furthermore, we already informed our mapping agency of OSMF's
statement regarding this matter [3].

This post is to inform the wider OSM community  an seek advice on how
we should best represent and show results for disputed territories.
We already posted an issue to Nominatim on this matter [4].

Also, this is an appeal to connect to both PH and CN mappers not
continue reverting each others edits.  We are part of an international
community and we should not be escalating this border issue any
further into OSM.

Thanks!

[0] http://en.wikipedia.org/wiki/Scarborough_Shoal
[1] 
http://www.openstreetmap.org/search?query=Scarborough%20Shoal#map=11/15.1585/117.7653
[2] http://www.openstreetmap.org/changeset/26925523
[3] 
http://www.osmfoundation.org/w/images/d/d8/DisputedTerritoriesInformation.pdf
[4] https://github.com/twain47/Nominatim/issues/202


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Re: [OSM-talk] MAPS.ME edits - partly sub-standard

[Oleksiy Muzalyev]

On 21.06.2016 15:18, Martin Koppenhoefer wrote:


2016-06-21 14:40 GMT+02:00 Andy Mabbett >:


On 20 Jun 2016 5:31 pm, "Martin Koppenhoefer"
> wrote:

> I have just discovered another type of problem:

> people adding full wikipedia urls into the website tag. In all
cases there was already a wikipedia tag present.

This is precisely the sort of thing a bot could clean up, daily or
weekly say.


actually it is not that simple. As we haven't only 1 method, but, for 
good reason, several, to store references to wikipedia, this bot would 
have to check whether the linked full url in the website is already 
covered by the wikipedia interlanguage links or not. This is not 
impossible, but also not completely trivial. This bot should also 
check whether the previous version had a different website value and 
restore this in case it makes sense, or flag it for human review.


Cheers,
Martin

I wrote a program http://ausleuchtung.ch/geo_wiki/ which allows to find 
location of all Wikipedia articles either by coordinates in the articles 
themselves, or by the OpenStreetMap tags (wikipedia, wikimedia_commons, 
wikidata) in the radius of ten kilometers around a click.


It works for all language versions of Wikipedia, just change Wikipedia 
language field from en to fr, de, it, ru, etc. A search by an OSM tag 
may take 2 - 3 seconds.


So it is possible to check Wikipedia articles locations and OSM tags in 
an area visually. I noticed and corrected quite of few Wikipedia 
articles with wrong geographical coordinates with this tool. Probably 
people, who posses encyclopedic knowledge and create articles, are not 
always too good in cartography.


Best regards,

Oleksiy

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Re: [OSM-talk] MAPS.ME edits - partly sub-standard

[Oleksiy Muzalyev]

On 21.06.2016 15:36, Oleksiy Muzalyev wrote:


I wrote a program http://ausleuchtung.ch/geo_wiki/ which allows to 
find location of all Wikipedia articles either by coordinates in the 
articles themselves, or by the OpenStreetMap tags (wikipedia, 
wikimedia_commons, wikidata) in the radius of ten kilometers around a 
click.


It works for all language versions of Wikipedia, just change Wikipedia 
language field from en to fr, de, it, ru, etc. A search by an OSM tag 
may take 2 - 3 seconds.


So it is possible to check Wikipedia articles locations and OSM tags 
in an area visually. I noticed and corrected quite of few Wikipedia 
articles with wrong geographical coordinates with this tool. Probably 
people, who posses encyclopedic knowledge and create articles, are not 
always too good in cartography.


Best regards,

Oleksiy

For example, - the article Chapelle Notre-Dame-des-Voirons de Boëge 
https://fr.wikipedia.org/wiki/Chapelle_Notre-Dame-des-Voirons_de_Bo%C3%ABge


You can see in the History of this Wikipedia article the correction of 
geographical coordinates on January 1, 2016. This chapel is situated on 
a mountain, but before the correction the coordinates had been pointing 
on the top of another mountain, about 15 kilometers away.

brgds
Oleksiy


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Re: [OSM-talk] 3D somehow not compatible with our map and editing concepts / capabilities?

[Oleksiy Muzalyev]

What surprises is that such colossal structures as Eiffel Tower [1], 
Emley Moor Mast [2], Ostankino Tower [3], etc. do not even have an icon 
on the OSM map. They look as an usual building at best. Just for 
comparison, - on Google map it is immediately visible that it is a tall 
structure [1][2][3], and it's right. These are really tall, hundreds of 
meters, towers made of steel and concrete, which are and will be 
standing for centuries.


Verticalization is an inevitable complex process in urban development, 
so 3D is necessary. The good place to start would be these "elephants in 
the room". However, drawing turrets of normal buildings in 3D in my 
opinion is still an experiment, a "future music".


[1]
https://en.wikipedia.org/wiki/Eiffel_Tower
http://osm.org/go/0BOdUuUUg
https://www.google.com/maps/@48.8581675,2.2947875,18.31z

[2]
https://en.wikipedia.org/wiki/Emley_Moor_transmitting_station
http://osm.org/go/evinV00xh-
https://www.google.com/maps/@53.6121585,-1.6630658,17.75z

[3]
https://en.wikipedia.org/wiki/Ostankino_Tower
https://www.openstreetmap.org/#map=18/55.81972/37.61209
https://www.google.com/maps/@55.819668,37.6118877,18.31z

Best regards,
Oleksiy

On 17/06/16 18:50, Martin Koppenhoefer wrote:
With this mail I would like to open a general discussion, whether it 
makes sense to add detailed 3D data into the current OSM db.


Living in a historic city with lots of tourists (many of them mappers 
apparently), and lots of famous monuments, I am observing for years 
now, that more and more detailed 3D objects get mapped.


While at first this seemed to be an interesting (and maybe logical) 
development of some advanced mappers, to further push the limits of 
mapping, more and more doubts have grown in the meantime whether this 
kind of data is sustainable. Particularly because the raised 
complexity leads to many errors, where people recreate already 
existing objects or add localized name tags (or other tags) to 
(building:)parts that are mainly there for geometric representation in 
3d, but are not the objects that actually represent the feature (i.e. 
those that have most of the tags). Subsequently other mappers find 
these objects (with some tags) and add more, and after a while it can 
become plain chaos, until someone with a lot of time dedicates herself 
to clean the mess up.


And honestly, I can understand this happening, these objects are 
really complex and after something has been "3D-fied" it becomes at 
least time consuming, if not completely confusing to make any simple 
edit (like adding a new tag), because you have to search the "main 
object" and understand where to put the tag.


I believe there is something conceptually wrong with adding those 
3D-monsters into the common db and require from everybody to 
understand them, without proper support or hierarchy on an API- or 
editor-level.


(a side-issue is that many monuments like columns, obelisks and 
similar are modelled as "building:parts", where there clearly is 
nothing that is a building, but rather a massive stone)


Some examples (load them in your editor to understand what I am 
talking about):


https://www.openstreetmap.org/#map=19/41.90224/12.45784
https://www.openstreetmap.org/#map=19/41.90297/12.46658
https://www.openstreetmap.org/#map=19/41.89591/12.48466 (the Trajan's 
column, a simple column consisting in osm of 9 concentric objects! 
Find the right one, if all of them get their name rendered at the same 
spot in the editor)
https://www.openstreetmap.org/#map=19/41.89854/12.47695 (the Pantheon, 
countless times there pop up duplicates as nodes)


What are your experiences?


Cheers,
Martin


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Re: [OSM-talk] MAPS.ME edits - partly sub-standard

[Oleksiy Muzalyev]

One of the fundamental principles of the Red Cross and Red Crescent is 
Impartiality: "It makes no discrimination as to nationality, race, 
religious beliefs, class or political opinions" [1].


I could not find anything about impartiality neither at the 
OpenStreetMap Foundation Core principles and Mission Statement [2], nor 
at the Welcome section of the OSM website [3]. It is sad that one of our 
good colleagues feels singled out due to a political contrivance du 
jour, with which he has nothing to do. I think the principle of 
Impartiality should be included in the Core principles.


[1] https://www.icrc.org/eng/assets/files/other/icrc_002_0513.pdf
[2] http://wiki.osmfoundation.org/wiki/Mission_Statement
[3]  http://www.openstreetmap.org/welcome

Best regards,
Oleksiy

On 19/06/16 22:35, Ilya Zverev wrote:

Hi everyone,

I'm very pleased some of us consider me the source of all evil that 
comes from Russia...



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Re: [OSM-talk] MAPS.ME edits - partly sub-standard

[Oleksiy Muzalyev]

Maps.me editor has got the principal difference from other editors, - it 
can be used without an active Internet connection. It means it is 
possible now to map in wilderness, in mountains, while traveling without 
worrying about roaming fees. Couple of years ago I used the Google maps 
on smartphone for several minutes to find an address in Milan and paid 
later an equivalent of 400 USD of roaming charges.


Facebook is completely internationalized. One can use Facebook in 113 
(!) languages. Facebook users after signing into Maps.me Editor with 
their Facebook credentials, probably, also expect a seamless exhaustive 
internationalization, which is not the case for any world map yet at 
all. But they may not know it and keep using one of those 113 languages 
unsuspectingly for mapping too. We were already informed that Maps.me 
will address this linguistic issue in future releases.


Best regards,
Oleksiy

On 20.06.2016 13:52, Philip Barnes wrote:


Many of these are newbie errors, the same as we see with any other 
editor however the big difference I see with maps.me is the apparent 
lack of reaction to changeset comments that allow the community to 
help newbies through their initial edits. When adding comments to 
maps.me changesets I do get the feeling I am wasting my time.


Another observation I see is the geographical spread of edits, a bar 
in Portugal followed by a guest house in the UK about the local 
knowledge of what they are adding.


Phil (trigpoint)


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Re: [OSM-talk] MAPS.ME edits - partly sub-standard

[Oleksiy Muzalyev]

Thank you for the information. Frankly I heard about Vespucci, but I was 
not sure what this app does. Now I will definitively give Vespucci a 
try. It is much better to have two or more excellent mobile maps and 
editors than none.

Best regards,
Oleksiy

On 21.06.2016 8:20, Simon Poole wrote:

May I ask why you are not using Vespucci? Except naturally if you are on
iOS, there I would recommend Go Map!

It does have the disadvantage that you have to download the area of
interest either online or in advance (but then you have to do that with
maps.me too), it uses JOSM presets, you can change all tags. It has a
reasonably well working address prediction system if you are actually
surveying (which is the prime use case for the app which is why the
focus is slightly different than for other apps) . 0.9.8 (which is in
beta) offers, besides the conventional, key-value view a form based UI
for adding tags, in general it is a bit like iD  from the tag editing pov.

And in particular it renders everything.



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Re: [OSM-talk] Mobile businesses

[Oleksiy Muzalyev]

As requested here are my thoughts. They can find locations of bicycle 
parking stations in a city via query "amenity=bicycle_parking" at 
https://overpass-turbo.eu/. A cycle mechanic sees immediately a bicycle 
which needs a service. So they may place on such bicycles a leaflet with 
a rubber band as shown on photos [1] with the URL of their website and 
short marketing message.


But first they should check if such a direct advertising is tolerated in 
this town. And a glue shall never be used to place leaflets, but only 
elastic bands, as glue may permanently damage paint on a bicycle.


Another possibility is to study the experience of this organization: 
http://velafrica.ch/en/What-we-do . This organization collects and 
repair about fifteen thousand (!) bicycles per year. At that all repairs 
are done either by professional mechanics themselves, or by volunteers 
under supervision of professional cycle mechanics.


[1] 
https://drive.google.com/file/d/0BwIBJzM0u50qWFVWM3pweXlyYWc/view?usp=sharing

https://drive.google.com/file/d/0BwIBJzM0u50qaGtsc2RkYVdoczQ/view?usp=sharing

Best regards,
Oleksiy

On 16/06/16 20:17, john whelan wrote:


Locally we're seeing the demise of the local bicycle store with its 
mechanic but there are a least two cycle mechanics operating out of 
mobile workshops.  You ring or contact them via the Internet.


Knowing that many in OSM indulge in cycling I'm wondering if they 
should be included in the map and is there is some way of adding them 
to the map, perhaps a tag on the city name?


Thoughts?

Thanks John



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Re: [OSM-talk] [Osmf-talk] Upload slowness - what's going on?

[Oleksiy Muzalyev]

On 13.05.2016 15:58, Tom Hughes wrote:

On 13/05/16 14:43, Maarten Deen wrote:

On 2016-05-13 14:59, Grant Slater wrote:

Kudos for the very clear explanation.


Over today (for at least the weekend) we are switching to the new
frontend & backend servers in York (Bytemark). London Imperial will be
offline from approximately 5pm (GMT+1) for the first weekend of power
maintenance.


Is my understanding correct that this will put all servers in York and
eliminate the latency and therefore the slowness?


As of now everything is running in York so that we are ready for the 
power to go off in London over the weekend.


On Monday we plan to move service back to London though I will 
probably try and keep the uploads going through the backend servers at 
York to see if that improves the speed issues seen this week.


In due course the new database server in London will likely become the 
master with the one in York as a slave for servicing reads but with 
the ability to flip the master over if we need to run from York for 
some reason.



Am I also correct to assume that the current situation is only because
of this move (and prompted by the maintenance at Imperial) and is not
planned to be a permanent setup?


Well long term we want to have things spread over multiple sites so 
that we can cope with a data centre going down and part of this is us 
learning the best way to split things up and arrange things so that we 
can achieve redundancy without impacting other things.


So there will likely be some tinkering and experimentation over the 
coming weeks as we try different things to see what works best.


Tom

It has got a name: business continuity [1] and disaster recovery [2]. I 
read a company in Louisiana could survive a hurricane Katrina because it 
moved a mirror server to the city of Houston, in another state, Texas, 
just days before the disaster. They had enough of items to ship 
physically from the warehouse in Louisiana, and the order processing 
system continued to work from Texas without interruption.


[1] https://en.wikipedia.org/wiki/Business_continuity

[2] https://en.wikipedia.org/wiki/Disaster_recovery


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[OSM-talk] What pointing device you use for mapping?

[Oleksiy Muzalyev]

I use Nexus Silent Mouse SM-8500B [1]. This mouse does not produce a 
"click" sound, though there is a tactile click. This type of soundless 
mouse makes a difference while working in an OSM editor. I like 
SM-8500B. I own three of them, including a spare one. It works fine on 
Mac and W10.


There are numerous innovative pointing devices available nowadays, - 
graphics tablets, vertical mice, pencil mouse, etc. If you have a 
positive experience employing an innovative pointing device design for 
mapping, please, let me know.


[1] https://nexustek.us/mice/sm-8500

Best regards,

Oleksiy


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Re: [OSM-talk] Mapping Klong Toey Slums

[Oleksiy Muzalyev]

Power poles, wires, wind, trees are usual dangers for multirotor 
aircraft too. There is also an issue of a large bird attack. These risks 
could be mitigated via sport flying.


I usually train sport flying at a stadium very early in the morning when 
there no people there. I have got a small trainer quadcopter, several 
foldable Air Gates, and Air Flags. There are also gates at an American 
football field with high poles, which are good for learning to fly in 
narrow spaces.


I have an impression that birds being excellent fliers themselves can 
immediately see the level of piloting skills of a RPAS (Remotely Piloted 
Aircraft System) pilot. If they see that it is an friendly experienced 
pilot they usually do not attack. In any case I regularly train diving 
and other BFM  .


In addition to aerial images I also film aerial video. Video provides an 
additional information. For example, recently I filmed a medieval 
Bilhorod-Dnistrovskyi fortress [1] in Ukraine. I upload a video to 
Wikimedia, add a video link to the Wikidata page, and add wikidata tag 
to the OSM map for this object.


Wikimedia accepts videos only in open OGG and WEBM formats. 
Unfortunately, some quality is always lost during conversion to these 
formats. You can see the same HD video at youtube and compare the 
quality [2]; I tried all convertors which I could find for Mac.


[1] https://en.wikipedia.org/wiki/Bilhorod-Dnistrovskyi_fortress
[2] https://youtu.be/C-kQjmzlY7A

On 27/07/16 23:42, hyan...@gmail.com wrote:
Yes, ballons and kites is a good community-engaged method; in my 
particular case we face problems with the public-lab-ballon-kit 
because irregular power poles/wires at a low height, plus some wind 
present during the activity, so it wasn't possible (and a little 
insecure).  Regarding stiching it was not so easy to deal with 89 
pictures using the MapKnitter (version 1 1/2 years ago), so by the 
moment aerial orthophotomosaics software seems to be the option. 
Another point regarding ballons is the cost of the helium.


About security (and mobile apps) you should consider to create a 
previous relationship with the community, so start with workshops or 
other activities.  In my particualr case for the replication in other 
slums in Colombia, the conclution to my proposal was "not 
recommended".  If your focus is catastral, ultra-high-res aerial 
imagery is the better way, mobile apps can create ancyllary pictures, 
very useful indeed 
. 



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Re: [OSM-talk] New Google Maps style - interesting cartographic innovation

[Oleksiy Muzalyev]

On 11.08.2016 20:37, Michał Brzozowski wrote:

...
The activity areas aren't merely about the usage itself, but, well,
the activity - i.e. concentration of interesting places and number of
people visiting them (or other similar popularity metric).
I saw recently a documentary about the phenomenon of a Pokemon game. A 
retail shop owner said in this film that he pays money so that digital 
creatures appear more often at the entrance of his shop. And people 
(potential clients) are hanging around his shop because of it.


In principle the activity areas could be monetized in similar way by the 
commercial maps. For example, a new shopping center wants to be shown on 
the map as a high activity area, and it is ready to pay for it. Finally, 
it may end up as a sort of an additional tax for retailers. If one does 
not pay, the area will be shown on the map as abandoned, with no 
activity whatsoever.


Another thought, - for some people an activity could be dancing, for 
other shopping, or cycling, running, paragliding, diving, reading, etc. 
It is hard to define what is interesting to people. For some it could be 
a discotheque, or clothing & fashion shop, or a bar, for others a 
stadium, a beach, a library, a cycling path, etc. /De gustibus non est 
disputandum./


brgds
O.M.*
*
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[OSM-talk] successful test of aerial photography from a folding canoe

[Oleksiy Muzalyev]

Cities and towns are usually located near water bodies. So the idea was 
to use a foldable canoe as a mobile platform to launch a quadcopter for 
aerial photography.


I transport the canoe Ally Expedition 18 on a back seat of a car. It 
takes about 15 minutes to assemble this canoe.


As you can see in video I installed two Ally outriggers with frame 
extension for stability. These outriggers were actually not necessary 
for flying as the canoe is stable enough.


Calibration, initialization, three takeoffs, and three landings were all 
successful. I used Release By Hand technique for all three flights.



I made a short (two minutes) video about the test: 
https://youtu.be/lpRloVZ5w5U



Aerial images and videos could be uploaded to a respective Wikimedia 
category, which is then connected to the OpenStreetMap via wikipedia, 
wikidata, or wikimedia_commons tag. Oblique low-altitude photographs and 
videos could be quite useful for 3D mapping.


Best regards,
Oleksiy



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Re: [OSM-talk] successful test of aerial photography from a folding canoe

[Oleksiy Muzalyev]

On 15/08/16 09:32, Martin Koppenhoefer wrote:


sent from a phone


Il giorno 14 ago 2016, alle ore 18:38, Oleksiy Muzalyev 
<oleksiy.muzal...@bluewin.ch> ha scritto:

I made a short (two minutes) video about the test: https://youtu.be/lpRloVZ5w5U


impressive clip, very nice quality and cool flyover takes

cheers,
Martin


Dear Martin,


Thank you!


Sometimes it is difficult to find a good place for takeoff and landing 
of a RPAS (UAV) on the ground, because there are tall trees and tall 
buildings, which could shield radio control signal, power-lines, and 
cell phone towers, which may influence electronics, pedestrians, cars, etc.



This Ally Expedition 18 feet canoe is built both for flat water and 
rivers. It is produced in Norway. This robust craft may carry 2 - 3 
persons plus a lot of cargo. As a result of this test I know now for 
sure that it is possible to conduct an aerial filming expedition along a 
shore, about 20 km per day, taking off from a ultralight boat and 
landing on boat.



Please, note that I train sport flying regularly, - Release & Catch By 
Hand technique shall not be performed by a novice pilot. In any case, 
impact resistant safety glasses must be always worn during Release & 
Catch takeoff and landing. Certainly, there must also be Buoyancy Aid 
Vests in a boat for each crew-person.



With best regards,

Oleksiy


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Re: [OSM-talk] What pointing device you use for mapping?

[Oleksiy Muzalyev]

I also noticed that often moderately priced items are more reliable than 
high-end expensive ones. Probably because they are more widespread, and 
consequently deficiencies in design are noticed, reported, and corrected 
faster. The Nexus Silent Mouse costs about 20 USD. I got so accustomed 
to a soundless mouse that I cannot use normal mice anymore, and not only 
for mapping, each click sounds to me as a gunshot. That is why I keep a 
spare one ready. But I work sometimes in a library where it is very quiet.


I also received an e-mail where it is written that a graphics tablet is 
being used for mapping by a correspondent's acquaintance; that a 
graphics tablet is really precise, helps to map quicker, and that it is 
so convenient that it is impossible to map without it. And that a 
graphics tablet must be with a zoom control.


If such a graphics tablet increases productivity by say twenty or even 
ten percent, then it makes sense to invest in it. Because our working 
time costs much more in the long run. It would be interesting to hear 
from someone who has got firsthand experience of using a specific model 
of a graphics tablet for mapping.


Best regards,
Oleksiy

On 12/07/16 22:10, Andreas Vilén wrote:

Nothing fancy. Heavy osming has a tendency to break mice so I only use cheap 
stuff.

Once I bought a fancy one but the precision was so bad I had to change back to 
the standard Ms mouse...

/Andreas

Skickat från min iPhone


12 juli 2016 kl. 10:18 skrev Oleksiy Muzalyev <oleksiy.muzal...@bluewin.ch>:

I use Nexus Silent Mouse SM-8500B [1]. This mouse does not produce a "click" 
sound, though there is a tactile click. This type of soundless mouse makes a difference 
while working in an OSM editor. I like SM-8500B. I own three of them, including a spare 
one. It works fine on Mac and W10.

There are numerous innovative pointing devices available nowadays, - graphics 
tablets, vertical mice, pencil mouse, etc. If you have a positive experience 
employing an innovative pointing device design for mapping, please, let me know.

[1] https://nexustek.us/mice/sm-8500

Best regards,

Oleksiy


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Re: [OSM-talk] Mapping Klong Toey Slums

[Oleksiy Muzalyev]

Dear Mishari,

If you plan borrowing a drone for filming in an urban area, I would 
advise to obtain first a small trainer quad-copter and fly it 
extensively in an open remote area to develop some flying experience and 
piloting instincts. Most of crashes are caused by an avoidable pilot 
error, - you may read about it at the DJI Phantom forum: 
http://forum.dji.com/forum-68-1.html


There is a Wikipedia article on the whole Klong Toey 
 district. You may 
then add ground and oblique aerial images & videos to this article's 
Wikimedia category and even to the article itself, and add a wikipedia & 
wikidata tags to the OSM map. So there will be better understanding of 
what situated where, how it looks in general, what is a 3D layout, etc.


Here are some examples of aerial photos and videos which I filmed for 
Wikipedia articles:


https://en.wikipedia.org/wiki/Nyon_Castle (video is on the article page)
and an oblique aerial photo:
https://upload.wikimedia.org/wikipedia/commons/8/8d/Nyon-Castle-aerial-3.jpg

https://en.wikipedia.org/wiki/Coll%C3%A8ge_de_Saussure  (video is on the 
article page)

and an oblique aerial photos:
https://commons.wikimedia.org/wiki/Category:Coll%C3%A8ge_de_Saussure

Best regards,
Oleksiy



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Re: [OSM-talk] Mapping Klong Toey Slums

[Oleksiy Muzalyev]

Dear Mishari,

If you are interested in the subject of slums, you may read and view 
videos about the work of Prof. Alfredo Brillembourg:


http://www.designboom.com/architecture/interview-alfredo-brillembourg-of-urban-think-tank-06-12-2014/

This man is part of the Urban-Think Tank (U-TT). This organization has 
got the practical know-how of redeveloping slums by their dwellers 
themselves after some additional training in construction. They also 
have got the technology of re-planing, dealing with local authorities, etc.


Several of their projects turned slums into nice districts with minimal 
cost.


I was at the conference of Prof. Alfredo Brillembourg. He said that 95% 
of humanity lives in slums, and consequently the history of 
civilizations happens also in slums. They invest into this work serious 
thinking and practical effort.


Best regards,
Oleksiy

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Re: [OSM-talk] School project Ghana

[Oleksiy Muzalyev]

On 05/07/16 23:28, Alert Bouterse wrote:


...

Open Street Maps Ghana is looking for educational material like 
(prinable / ofline) workbooks to educate children on JHS and SHS 
schools. ...



Hello Alert Bouterse,

The official language in Ghana is English [1], so here are some books in 
English:


http://wiki.openstreetmap.org/wiki/Books

http://stevecoast.com/2015/11/05/the-book-of-osm-now-available/

You may buy a copy of each, read, and see if it is suitable as a 
textbook. I just mapped a couple of buildings in the town of Tarkwa, a 
centre of gold mining and manganese mining, in Ghana. There is an 
excellent satellite imagery for this town and many good buildings are 
not mapped yet. So students can also do a valuable work of mapping as a 
practical part of a course.


[1] https://en.wikipedia.org/wiki/Ghana

Best regards,

Oleksiy



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Re: [OSM-talk] Mapping Klong Toey Slums

[Oleksiy Muzalyev]

Hello Mishari,

I use DJI Phantom 3 Advanced [1]. There is already Phantom 4 which has 
got slightly better camera, but a bit shorter flight range. Phantom has 
got intelligent flight modes, from which I use the Point of Interest. In 
this mode aircraft flies automatically around an object, and it is 
impossible to pilot so precisely manually (an example is on the video 
below).


There is also DJI Inspire quad but it weighs 2.9 kg (two times more than 
Phantom's 1.2 kg). All DJI quads has got a GPS navigation and a GPS 
enabled camera, so there will be exact geographical coordinates in 
produced JPG images, and an aircraft has got a Return Home feature. 
Return Home means that if a pilot lost a quad from the LOS (line of 
sight) in the sky, or a radio control signal is lost for some reason, it 
still can return and land automatically via this feature. It is an 
useful security function.


I would recommend to fly early in the morning on a sunny and quiet day 
(see local weather forecast beforehand), as the light is better [2], the 
air is clear, but also there are less people and less vehicles on the 
streets early in the morning. I usually wait for good weather as long as 
it takes for flying in a town or a city.


Also it makes sense to check local regulations [3] (but better from an 
official source), and try to follow them as much as possible. As much as 
possible, because, for instance, it is allowed normally to fly only in 
the LOS mode, but fly-always may happen unintentionally, in this case a 
pilot may still return either via FPV (first person view), or Return 
Home feature.


[1] http://www.dji.com/product/phantom-3-adv
[2] https://en.wikipedia.org/wiki/Golden_hour_(photography)
[3] 
http://www.richardbarrow.com/2015/08/quick-look-at-the-new-and-updated-drone-law-in-thailand/


brgds
O.M.

On 09/08/16 09:55, Mishari Muqbil wrote:


Hello,

I'm just trying to track down a drone provider but I'm not sure if 
anyone here has ideas of the kind of specifications I should be asking 
for. I assume that it should have a GPS enabled camera and some sort 
of path following feature. Anything else?


Thank you everybody for your input so far.

Best regards
Mishari


On Jul 28, 2016 12:29 PM, "Oleksiy Muzalyev" 
<oleksiy.muzal...@bluewin.ch <mailto:oleksiy.muzal...@bluewin.ch>> wrote:


Power poles, wires, wind, trees are usual dangers for multirotor
aircraft too. There is also an issue of a large bird attack. These
risks could be mitigated via sport flying.

I usually train sport flying at a stadium very early in the
morning when there no people there. I have got a small trainer
quadcopter, several foldable Air Gates, and Air Flags. There are
also gates at an American football field with high poles, which
are good for learning to fly in narrow spaces.

I have an impression that birds being excellent fliers themselves
can immediately see the level of piloting skills of a RPAS
(Remotely Piloted Aircraft System) pilot. If they see that it is
an friendly experienced pilot they usually do not attack. In any
case I regularly train diving and other BFM
<https://en.wikipedia.org/wiki/Basic_fighter_maneuvers> .

In addition to aerial images I also film aerial video. Video
provides an additional information. For example, recently I filmed
a medieval Bilhorod-Dnistrovskyi fortress [1] in Ukraine. I upload
a video to Wikimedia, add a video link to the Wikidata page, and
add wikidata tag to the OSM map for this object.

Wikimedia accepts videos only in open OGG and WEBM formats.
Unfortunately, some quality is always lost during conversion to
these formats. You can see the same HD video at youtube and
compare the quality [2]; I tried all convertors which I could find
for Mac.

[1] https://en.wikipedia.org/wiki/Bilhorod-Dnistrovskyi_fortress
<https://en.wikipedia.org/wiki/Bilhorod-Dnistrovskyi_fortress>
[2] https://youtu.be/C-kQjmzlY7A

On 27/07/16 23:42, hyan...@gmail.com <mailto:hyan...@gmail.com> wrote:

Yes, ballons and kites is a good community-engaged method; in my
particular case we face problems with the public-lab-ballon-kit
because irregular power poles/wires at a low height, plus some
wind present during the activity, so it wasn't possible (and a
little insecure).  Regarding stiching it was not so easy to deal
with 89 pictures using the MapKnitter (version 1 1/2 years ago),
so by the moment aerial orthophotomosaics software seems to be
the option. Another point regarding ballons is the cost of the
helium.

About security (and mobile apps) you should consider to create a
previous relationship with the community, so start with workshops
or other activities.  In my particualr case for the replication
in other slums in Colombia, the conclution to my proposal was
"not recommended".  If your foc

Re: [OSM-talk] New Google Maps style - interesting cartographic innovation

[Oleksiy Muzalyev]

Using colors like this is an excellent idea, however we shall not rely 
on colors alone as several percent of people cannot distinguish colors 
due to color blindness [1]. Besides, color blindness may develop with an 
advanced age, so no one is color-safe.


We do not hear often about color blindness as people tend not to speak 
about it. But in fact maybe up to ten percent cannot see differences 
between certain colors at all.


[1] https://en.wikipedia.org/wiki/Color_blindness

brgds
O.M.

On 07.08.2016 1:43, Michał Brzozowski wrote:

There has been an update to Google Maps styling [1] and I have to say,
they left me impressed.
The overall look is cleaner, which is very welcome after a series of
disappointing changes, but the thing I consider very innovative is how
buildings (and on lower zooms - areas) with lots of "activities" (i.e.
POIs) are highlighted in beige.

Now, traditional topo maps use building type attribute for this, eg.
Polish ones use dark brown for public/retail buildings, orange for
residential, violet for industrial and gray for everything else.
Our (and I presume Google's no better) building type tagging is pretty
sparse, so this is a no-go.

I wonder whether somebody could cook up a proof of concept of this for
OSM styling to see how it would work out. One may play with assigning
different weights to POIs according to their type or perceived
importance via Wiki{pedia|data} tags.

Michał

[1] 
https://maps.googleblog.com/2016/07/discover-action-around-you-with-updated.html

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Re: [OSM-talk] New Google Maps style - interesting cartographic innovation

[Oleksiy Muzalyev]

OSM could use as Michał suggested Wiki{pedia|data} tags. There is also 
/wikimedia_commons/ [1] tag and geographical coordinates from Wikipedia 
articles themselves easily available via MediaWIki API.


I wrote a web-application which displays either Wikipedia articles on 
the map, or OSM Wiki{pedia|data|/media_commons/} tags as clickable 
markers with a link to a respective article, category, file, wikidata 
entry: http://ausleuchtung.ch/geo_wiki/ . It works for all language 
versions of Wikipedia.


Certainly if used on the main OSM map this data should be cashed. 
Edifices which have a Wikipedia article could be shown in a distinctive 
color too and have a small clickable icon with the letter "w" inside 
leading to a respective article, category, file, wikidata entry.


I would be even better than Google Maps as in Wikimedia categories and 
articles we can publish nowadays also HD videos of a building with 
aerial footage, so that one can see a building on the OSM map and then 
as if fly around it to view better [2].


[1] http://wiki.openstreetmap.org/wiki/Key:wikimedia_commons
[2] https://en.wikipedia.org/wiki/Nyon_Castle (select HD resolution 
1080P in player)


brgds
O.M.

On 08.08.2016 15:19, Janko Mihelić wrote:
I'm guessing Google is not only using POIs, but several other sources, 
like geo Tweets, got tagged photos put up on Google+, and so on. I 
think they are trying to make it easy for tourists to find the "in" 
spots where something is happening. If you're trying to find a nice 
restaurant, night club, pub or something like that, zoom in to the 
yellow area.


Janko

pon, 8. kol 2016. u 12:39 Oleksiy Muzalyev 
<oleksiy.muzal...@bluewin.ch <mailto:oleksiy.muzal...@bluewin.ch>> 
napisao je:


Using colors like this is an excellent idea, however we shall not rely
on colors alone as several percent of people cannot distinguish colors
due to color blindness [1]. Besides, color blindness may develop
with an
advanced age, so no one is color-safe.

We do not hear often about color blindness as people tend not to speak
about it. But in fact maybe up to ten percent cannot see differences
between certain colors at all.

[1] https://en.wikipedia.org/wiki/Color_blindness

brgds
O.M.

On 07.08.2016 1:43, Michał Brzozowski wrote:
> There has been an update to Google Maps styling [1] and I have
to say,
> they left me impressed.
> The overall look is cleaner, which is very welcome after a series of
> disappointing changes, but the thing I consider very innovative
is how
> buildings (and on lower zooms - areas) with lots of "activities"
(i.e.
> POIs) are highlighted in beige.
>
> Now, traditional topo maps use building type attribute for this, eg.
> Polish ones use dark brown for public/retail buildings, orange for
> residential, violet for industrial and gray for everything else.
> Our (and I presume Google's no better) building type tagging is
pretty
> sparse, so this is a no-go.
>
> I wonder whether somebody could cook up a proof of concept of
this for
> OSM styling to see how it would work out. One may play with
assigning
> different weights to POIs according to their type or perceived
> importance via Wiki{pedia|data} tags.
>
> Michał
>
> [1]

https://maps.googleblog.com/2016/07/discover-action-around-you-with-updated.html
>
> ___
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> talk@openstreetmap.org <mailto:talk@openstreetmap.org>
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Re: [OSM-talk] MAPS.ME edits - partly sub-standard

[Oleksiy Muzalyev]

Perhaps, there should be only a login with the OSM user name and 
password until the editing interface of Maps.me Editor is improved 
further? So that only people who have an access to JOSM, ID, and other 
desktop editors and have some prior OSM experience can add objects?


I just added a relatively new bicycle parking, which is not present on 
the Bing imagery, with the Maps.me Editor: 
http://www.openstreetmap.org/changeset/40142848 . It worked all right. I 
could place it exactly where it is. Actually I am impressed, I will be 
definitely using this functionality. I may improve this edit a bit 
further with the JOSM later as it is a very big covered bicycle parking 
station.


But there was an option to sign in with Facebook credentials for Maps.me 
editing, and it means that people who have no prior experience may be 
editing without any knowledge of name:en, name:ru, and other issues. 
They may write in Chinese logograms, Ukrainian, Russian, Bulgarian, 
Macedonian, Serbian, Ossetian, Montenegrin, etc. Cyrillic script, in 
good faith as absolute majority of people worldwide does not speak 
foreign languages, at least does not speak them well, and use a mother 
tongue in everyday life.


One more wish to developers, - I could not add a tree with Maps.me. I 
looked through the list twice in the app and could not find a pre-set 
for a tree.


With best regards,
Oleksiy

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Re: [OSM-talk] OSM for government

[Oleksiy Muzalyev]

Hi,

The website of the Stockholm Public Transport company website: 
http://sl.se/en/ is based on the OSM.


I do not know if they contribute, but the website is really effective. 
I  used it daily recently while in Stockholm, both on a computer and a 
smartphone. The Stockholm Public Transport company is owned by the 
Stockholm County Council (1). In fact, it is the most efficient public 
transport system I ever saw, not only the website, but also electronic 
ticketing, punctuality, etc. But website is a central part. Everything 
is build around it. It even shows in real time minutes before a train or 
bus arrives, also connections, etc.


However, the most impressive is that a bus stop is shown on the map 
where it is really located. So I could find a bus stop without asking 
passersbys. I mean sometimes knowing that a bust stop is on some square 
is not enough, as there could be several ones in different places of 
this square.


(1) https://en.wikipedia.org/wiki/Public_transport_in_Stockholm

Best regards,
Oleksiy


On 03.02.2017 14:44, joost schouppe wrote:

Hi,

With the Belgian community, we're making some careful progress into 
getting government to really integrate OSM/VGI into their data 
management efforts. So not talking about background maps here, real 
data contribution or community engagement.


There are some very specific issues and opportunities there. I believe 
the Canadian Census is going that way. Are there any other projects in 
this direction? Is there anything like a project catalogue around?


--
Joost Schouppe
OpenStreetMap  | 
Twitter  | LinkedIn 
 | Meetup 




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Re: [OSM-talk] State of the Map US 2017 Announced!

[Oleksiy Muzalyev]

Hi Ian,

Thank you for the information.

I would like just to add that Boulder is located at the base of the 
foothills of the Rocky Mountains at an elevation of 5,430 feet (1,655 
m). It seems there are a lot of mountain trails there, - one can see it 
by GPS traces: 
http://www.openstreetmap.org/#map=13/39.9662/-105.3131=G


So obviously it would be possible to combine the conference with 
consequent hiking in the magnificent Rocky Mountains. Nowadays one can 
see at Youtube a lot of videos on safety techniques in mountains, on 
selecting the right equipment, clothing, and footwear. If one is new to 
to hiking and trekking I would highly recommend to get acquainted with 
the basic information and to test the acquired equipment well beforehand 
on a smaller scale.


With best regards,
Oleksiy

On 31.01.17 23:52, Ian Dees wrote:

Hi everyone!

I'm excited to announce that OpenStreetMap US has selected University 
of Colorado in Boulder, Colorado as the venue for State of the Map US 
2017. The exact dates are not yet nailed down,


Please read our blog post for more details:
https://openstreetmap.us/2017/01/sotmus-2017-announcement/

If you're interested in volunteering to help organize or otherwise be 
a part of the team, please let us know by emailing 
sot...@openstreetmap.us .


I look forward to see you all there!
-Ian


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Re: [OSM-talk] Fixing wikipedia/wikidata tags

[Oleksiy Muzalyev]

Good morning Yuri,

On Saturday I added the Wikidata tag to the monument [1] of Mikhail 
Bakunin [2] in Bern. In fact, I had added also the monument itself on 
the map. I searched for it for quite some time at Bremgartenfriedhof, as 
there was a typing error in the English Wikipedia article concerning the 
box number (it is corrected already).


I also added some ground and aerial photos of the monument with GPS 
coordinates to the Wikimedia category, published the GPS trace to the 
OSM, and filmed a short video in English language:


https://commons.wikimedia.org/wiki/File:Bakunin_Monument_Bern_EN.webm
https://youtu.be/GCGdnFf8BDY

and the same video in Russian:

https://commons.wikimedia.org/wiki/File:Bakunin_Monument_Bern_RU.webm
https://youtu.be/REjGTkJYKwU

Quality on Youtube is better, as I could not figure out yet how to 
convert a video to the WEBM format without some quality loss.


I mean that in addition to validating by scripts the legwork also have 
got a potential. In this respect, it would be helpful if we had the 
Wikipedia & Wikidata layer on the OSM map, with an option to see 
Wikidata items without an image, Wikipedia articles in different 
languages, so a human may see, analyze, and visit an object on the 
ground to clarify the situation. At the this point, I would not dare to 
correct an OSM-Wikipedia inconsistency without first visiting, recording 
a GPS trace, and filming it. So in my opinion it should be on a map, in 
addition to a list.


Some new hardware tools became affordable by now: precise GPS/GLONASS 
trackers, video-cameras with stabilized gimbals for ground and aerial 
filming, directional microphones. But also the photo-cameras themselves 
became better. A human armed with these new tools can do a lot of useful 
work at a location, though it may take some time until we learn how to 
employ these tools effectively.


[1] http://www.openstreetmap.org/node/4665613556#map=19/46.95039/7.42234
[2] https://en.wikipedia.org/wiki/Mikhail_Bakunin

With best regards,
Oleksiy

On 07.02.17 03:06, Yuri Astrakhan wrote:
TLDR: researching ways to validate wikipedia and wikidata tags, wrote 
a script to cross-check OSM and Wikidata, found many incorrect 
disambig references, would love to start community discussion on best 
guidelines going forward.



I have been analyzing the quality of OSM's wikipedia and wikidata tags 
by cross-checking data using both OSM tags and Wikidata.  My first 
goal is to fix "disambiguation" references - when OSM object links to 
the Wikipedia disambiguation page, instead of the real location page. 
I have already fixed about 200 objects, but there are about 800+ 
relations left, and I could really use some help.  I don't think its 
possible to add them to MapRoulette just yet.

https://www.mediawiki.org/wiki/User:Yurik/OSM_disambigs

While fixing wd/wp tagging issues, I have been putting together a list 
of open questions on how we want to improve wikipedia and wikidata 
tags in general, and create some guidelines. Lets discuss them in the 
talk page?

https://www.mediawiki.org/wiki/User:Yurik/Wikidata_OSM_questions

Lastly, if you have any suggestions on different ways to validate data 
using the mixture of Wikidata and OSM, let me know.  At the moment I 
have a list of all types of OSM objects' wikidata IDs, and mark the 
bad ones with a value. If OSM's wikidata's "instance of" of one of the 
bad types, my script puts those OSM objects it into a separate list 
that I can analyze. The list of types is here - sort by the second column:

https://commons.wikimedia.org/wiki/Data:Sandbox/Yurik/OSM_object_instanceofs.tab
Feel free to modify the second value of any row to indicate that those 
objects should be fixed.



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Re: [OSM-talk] OSM for government

[Oleksiy Muzalyev]

In this video in English about the Russian Trans-Siberian Railway:
https://youtu.be/jRyJiL41Umg?t=3m34s
at 3 minutes 34 seconds a Navigation and Security application of a 
Passenger Train is shown which seems to be based on the OSM. The film 
was produced in 2014, so the town of Khabarovsk (rus. Хабаровск) is 
mapped by now much better.


I am not absolutely sure that it is OpenStreetMap, but the design and 
colors of the map in this application look like the OSM couple of years 
ago. Russian Railway is one of the three largest transport companies in 
the world https://en.wikipedia.org/wiki/Russian_Railways . It is 
government owned.


Best regards,
Oleksiy

On 03.02.17 14:44, joost schouppe wrote:

Hi,

With the Belgian community, we're making some careful progress into 
getting government to really integrate OSM/VGI into their data 
management efforts. So not talking about background maps here, real 
data contribution or community engagement.


There are some very specific issues and opportunities there. I believe 
the Canadian Census is going that way. Are there any other projects in 
this direction? Is there anything like a project catalogue around?


--
Joost Schouppe



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Re: [OSM-talk] RU Wikipedia now uses OSM by Wikidata ID

[Oleksiy Muzalyev]

Dear Yuri,

Could you, please, provide an example with the location outline?

I tried Salzburg, New York, Odessa, Moscow, etc. in the Russian 
Wikipedia, but I got always just a marker on the map, but not an 
outline, i.e. a line indicating the outer contours or boundaries of an 
object or figure. Perhaps, it is a thin line, and I do not notice it on 
the map? Or I misunderstood something.


With best regards,
Oleksiy

On 21.01.17 02:40, Yuri Astrakhan wrote:
Russian Wikipedia just replaced all of their map links in the upper 
right corner (geohack) with the  Kartographer extension!  
Moreover, when clicking the link, it also shows the location outline, 
if that object exists in OpenStreetMap with a corresponding Wikidata 
ID (ways and relations only, no nodes).  My deepest respect to my 
former Interactive Team colleagues and volunteers who have made it 
possible!  (This was community wishlist #21)


Example - city of Salzburg (click coordinates in the upper right 
corner, or in the infobox on the side):

https://ru.wikipedia.org/wiki/%D0%97%D0%B0%D0%BB%D1%8C%D1%86%D0%B1%D1%83%D1%80%D0%B3

P.S. I am still working on improving Wikidata linking, and will be 
very happy to collaborate with anyone on improving OSM data quality.



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Re: [OSM-talk] RU Wikipedia now uses OSM by Wikidata ID

[Oleksiy Muzalyev]

Yes. It works my end too. I got it now. I was clicking on the link "O" 
to display the OSM map with the Standard Layer, but not on the 
coordinates in an article.


The map with the outline opens, however this map is very simplified, it 
does not render many useful for a traveler objects, such as museums, 
libraries, supermarkets,  universities, hospitals, etc., which are shown 
on the OSM map, MAPS.ME map, etc. What for did we map these objects? I 
do not see so far how I can practically use such a map.


With best regards,
Oleksiy


On 23.01.2017 10:07, Max wrote:

Works for me (Firefox 53)

On 2017년 01월 23일 07:31, Oleksiy Muzalyev wrote:

Dear Yuri,

Could you, please, provide an example with the location outline?

I tried Salzburg, New York, Odessa, Moscow, etc. in the Russian
Wikipedia, but I got always just a marker on the map, but not an
outline, i.e. a line indicating the outer contours or boundaries of an
object or figure. Perhaps, it is a thin line, and I do not notice it on
the map? Or I misunderstood something.

With best regards,
Oleksiy

On 21.01.17 02:40, Yuri Astrakhan wrote:

Russian Wikipedia just replaced all of their map links in the upper
right corner (geohack) with the  Kartographer extension!
Moreover, when clicking the link, it also shows the location outline,
if that object exists in OpenStreetMap with a corresponding Wikidata
ID (ways and relations only, no nodes).  My deepest respect to my
former Interactive Team colleagues and volunteers who have made it
possible!  (This was community wishlist #21)

Example - city of Salzburg (click coordinates in the upper right
corner, or in the infobox on the side):
https://ru.wikipedia.org/wiki/%D0%97%D0%B0%D0%BB%D1%8C%D1%86%D0%B1%D1%83%D1%80%D0%B3 



P.S. I am still working on improving Wikidata linking, and will be
very happy to collaborate with anyone on improving OSM data quality.




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Re: [OSM-talk] RU Wikipedia now uses OSM by Wikidata ID

[Oleksiy Muzalyev]

Dear Yuri,

Thank you for the information. It is clear now, this map is more to 
illustrate an article's topic.


I could login into Phabricator too. I will also pay more attention to 
wikidata tags since they are being used in this project.


With best regards,
Oleksiy

On 23.01.17 18:19, Yuri Astrakhan wrote:


Oleksiy, Stefano,

WMF is still working on improving the map style, but I'm sure they 
will benefit if you create a specific comment that describes what 
should be added, at what level, and what types of articles it would 
benefit. Please file requests using this form (you can login using 
your Wikipedia user account): 
https://phabricator.wikimedia.org/maniphest/task/edit/form/1/?tags=map-styles,maps


Please keep in mind that this is a "generic base" map - something 
useful for many different types of Wikipedia articles. This map should 
be good for overlays - so that article-specific information stands 
out. These requirements are very different from the default OSM map, 
whose main goal is to help OSM editors check what features are there 
or missing.


Lastly, Stefano, it would be great for WMF to add nearby articles too 
- it exists in the Android Wikipedia app (possibly iPhone too), but 
not in mobile or desktop. This functionality has been discussed, but 
hasn't been implemented yet.


On Mon, Jan 23, 2017 at 5:52 AM Oleksiy Muzalyev 
<oleksiy.muzal...@bluewin.ch <mailto:oleksiy.muzal...@bluewin.ch>> wrote:


Yes. It works my end too. I got it now. I was clicking on the link "O"
to display the OSM map with the Standard Layer, but not on the
coordinates in an article.

The map with the outline opens, however this map is very
simplified, it
does not render many useful for a traveler objects, such as museums,
libraries, supermarkets,  universities, hospitals, etc., which are
shown
on the OSM map, MAPS.ME <http://MAPS.ME> map, etc. What for did we
map these objects? I
do not see so far how I can practically use such a map.

With best regards,
Oleksiy


On 23.01.2017 10:07, Max wrote:
> Works for me (Firefox 53)
    >
    > On 2017년 01월 23일 07:31, Oleksiy Muzalyev wrote:
>> Dear Yuri,
>>
>> Could you, please, provide an example with the location outline?
>>
>> I tried Salzburg, New York, Odessa, Moscow, etc. in the Russian
>> Wikipedia, but I got always just a marker on the map, but not an
>> outline, i.e. a line indicating the outer contours or
boundaries of an
>> object or figure. Perhaps, it is a thin line, and I do not
notice it on
>> the map? Or I misunderstood something.
>>
>> With best regards,
>> Oleksiy
>>
>> On 21.01.17 02:40, Yuri Astrakhan wrote:
>>> Russian Wikipedia just replaced all of their map links in the
upper
>>> right corner (geohack) with the  Kartographer extension!
>>> Moreover, when clicking the link, it also shows the location
outline,
>>> if that object exists in OpenStreetMap with a corresponding
Wikidata
>>> ID (ways and relations only, no nodes).  My deepest respect to my
>>> former Interactive Team colleagues and volunteers who have made it
>>> possible!  (This was community wishlist #21)
>>>
>>> Example - city of Salzburg (click coordinates in the upper right
>>> corner, or in the infobox on the side):
>>>

https://ru.wikipedia.org/wiki/%D0%97%D0%B0%D0%BB%D1%8C%D1%86%D0%B1%D1%83%D1%80%D0%B3
>>>
>>>
>>> P.S. I am still working on improving Wikidata linking, and will be
>>> very happy to collaborate with anyone on improving OSM data
quality.
>>>



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[OSM-talk] adding Wikimedia videos to OpenStreetMap objects

[Oleksiy Muzalyev]

Dear fellow mappers,

It is possible now to upload to the Wikimedia Commons the videos which 
illustrate Wikipedia articles. On Saturday I went to the highest summit 
of the Swiss portion of the Jura mountains, Mont Tendre 
 , and filmed a short, 4 
minutes, video about it.


Then I added this video to the respective Wikimedia category and to the 
Wikidata page, and added wikidata=* and wikimedia commons=* tags to the 
OSM node of the summit: http://www.openstreetmap.org/node/343335042


I used for filming the cameras Sony RX100 V and DJI Osmo, and for the 
aerial footage the latest DJI Phantom 4 Pro+ quad-copter. The Wikimedia 
accepts videos in the free open WEBM format, so I converted the MP4 file 
into WEBM with the ffmpeg  command line tool.


The quality of the resulting WEBM video:

https://commons.wikimedia.org/wiki/File:Mont_Tendre_Jura.webm (select at 
least 1080P resolution in the player for viewing)


is comparable with its Youtube version:

https://youtu.be/pgNiCYzr7sg

The DJI Phantom 4 Pro+ has got a camera with one inch image sensor and 
improved lenses. In my opinion, it is the first aircraft of this class 
capable to film really useful aerial photos and 4K aerial videos. 
Creating a good video is not a trivial task, still there is a lot of 
information on it, and the quality equipment is readily available.


And it is kind of interesting. In fact, we could climb on the Mont 
Tendre only from the third attempt. Two first attempts failed due to the 
snow, wind, low outside temperature, and the remoteness of a location 
(it is also the most isolated mountain of the canton of Vaud), besides 
we had to carry the equipment. Probably, I would never did it in winter, 
if it were not for filming.


A video may convey much of significant information about a location. It 
may provide not only ground and aerial footage, but also some practical 
advice and insights via a microphone. Perhaps, in future we may think 
about creating a video=* key for direct linking to the videos with a 
Creative Commons license. But even now it is possible to do it via 
wikidata=* and wikimedia_commons=*.


With best regards,

Oleksiy

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Re: [OSM-talk] Fixing broken multipolygons

[Oleksiy Muzalyev]

On 15.02.17 23:51, Sarah Hoffmann wrote:

... we are
currently discussing about changing the algorithm that assembles the
polygons[1]. The new algorithms will be a lot faster but that comes
at the price that it is less tolerant with invalid geometries. A lot
of bad geometries that are currently still drawn some way or another
will be simply dropped. I'm convinced that in the long run this
stricter handling will be good not only for data consumers but also
for mappers, who will see immediately when they made a mistake.
...


Hi,
It would be a good idea to generate automatically a message to an author 
or authors of this geometry asking them to fix it, explaining shortly 
what an error they committed, and informing them that it would be 
deleted, if they do not fix it. And if there is no reaction after a 
tolerance period of say one week, then drop it automatically.


Deleting objects from the map without a warning may cause suspicions and 
misunderstanding. For example, there are areas mapped as 
boundary=protected_area or landuse=nature_reserve , but local fishermen 
who want to continue fishing in the area may not like it, or at least 
have doubts about its shape. By deleting a Nature Reserve from the map 
the script may inadvertently interfere into a balance situation.


Best regards,
Oleksiy

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Re: [OSM-talk] Fixing broken multipolygons

[Oleksiy Muzalyev]

On 18.02.17 08:43, Jochen Topf wrote:

On Sat, Feb 18, 2017 at 07:50:07AM +0100, Oleksiy Muzalyev wrote:

On 15.02.17 23:51, Sarah Hoffmann wrote:

... we are
currently discussing about changing the algorithm that assembles the
polygons[1]. The new algorithms will be a lot faster but that comes
at the price that it is less tolerant with invalid geometries. A lot
of bad geometries that are currently still drawn some way or another
will be simply dropped. I'm convinced that in the long run this
stricter handling will be good not only for data consumers but also
for mappers, who will see immediately when they made a mistake.
...


Hi,
It would be a good idea to generate automatically a message to an author or
authors of this geometry asking them to fix it, explaining shortly what an
error they committed, and informing them that it would be deleted, if they
do not fix it. And if there is no reaction after a tolerance period of say
one week, then drop it automatically.

Most multipolygons we are talking about here haven't been touched in
years. So this doesn't really apply. Most of this is about cleaning up
the backlog. If you look at the stats on http://area.jochentopf.com/stats/
you'll see that the number of (multi)polygons is growing constantly, but
the number of errors is not. This tells me that it is mostly a problem with
old data.

  We could inform authors when new problems are coming up, but I suspect
that this is very difficult. For one, there can be several people
involved and you don't know which fault is was. Then there is the
question of what to tell the user. If you send them an email "Your
multipolygon id 1234567 is broken", that is not very helpful for them.
We need at a minimum some guidance on how to fix things. But this
depends at least on the editor used, the language of the user, the type
of problem and the skill level of the user. Ugh.


Deleting objects from the map without a warning may cause suspicions and
misunderstanding. For example, there are areas mapped as
boundary=protected_area or landuse=nature_reserve , but local fishermen who
want to continue fishing in the area may not like it, or at least have
doubts about its shape. By deleting a Nature Reserve from the map the script
may inadvertently interfere into a balance situation.

This is why we are having this discussion. We do not want to remove
anything from the map lightly. We are doing this only after taking any
measure we can to fix those cases. In the long run the situation will
get better, because at the moment some of those "critical" polygons you
are talking about might not show up or show up wrong on the map because
of the errors they contain that the renderer is trying to fix and doing
so in the wrong way. We are doing all this to improve the accuracy of
the map!

Jochen


OK. Then I agree. Indeed sometimes it is easier to map from scratch than 
to clean up speaking figuratively the Augean Stables.


After all, there are Wiki pages and Youtube videos which explain how to 
create multipoligons correctly.


Oleksiy


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Re: [OSM-talk] Spam reporting

[Oleksiy Muzalyev]

Here is a new spam entry, from February 23, 2017:

http://www.openstreetmap.org/user/velpatasvir/diary

It is an entry in Russian language but written via Google translator. It 
advertising some medicament produced in India.


I do not see how I can remove or report it.

Best regards,
Oleksiy

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Re: [OSM-talk] SOTM EU

[Oleksiy Muzalyev]

On 19.01.17 10:58, Christoph Hormann wrote:

...better to see it just as SOTM Europe,...

And why not Eurasia? In fact the continent, the continental landmass, is 
Eurasia, - 90 countries, population 5 billion.




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Re: [OSM-talk] OpenDroneMap and Portable OSM (POSM)

[Oleksiy Muzalyev]

On 02/09/16 22:06, Dan Joseph wrote:

Hi All,

The American Red Cross GIS Team is constantly looking for new ways to 
improve our workflows and learn from the OpenStreetMap and FOSS4G 
communities. The vast majority of the GIS analysis and map making we 
do is done using FOSS4G tools and we strive to be effective 
contributors as well as consumers.


We've supported the development of Portable OSM (POSM 
 as an affordable (can be 
run on hardware costing less than $300) solution to make 
OpenStreetMap, OpenMapKit, and Field Papers available for deployments 
in connectivity-limited environments. POSM consolidates cloud-based 
tools into a portable server that acts as a temporary local data hub 
for digital mapping, surveying, and field media collection.


The next stage of development is working with the folks at Stamen to 
incorporate OpenDroneMap (for processing UAV imagery) into the stack 
of software available for installation on a POSM. We'd love to hear 
your thoughts, concerns, use-cases, and other comments. Send us an 
email or leave an issue on the POSM GitHub repository 
.


- Dan Joseph



Hi Dan,

I use RPAS (remotely piloted aircraft systems) quite a lot for aerial 
photography and videography, both multirotor and fixed-wing. I fly in 
geographical regions for which there are orthorectified images, so I 
make mostly oblique aerial photographs and aerial videos. In Google Map 
there is a feature that one can see how many times his uploaded images 
were viewed. So I uploaded some of them to Google Maps to see if people 
are interested to view such oblique aerial images in relation to a map 
location. The result is six hundred aerial images were viewed more than 
seven million times already [1]. So it seems there is an interest.


I also add aerial images and aerial videos to Wikipedia and then add 
wikipedia tag to the OSM map [2].


The main issue with using a multirotor (quadcopter) for aerial 
photography is that its range is only 2 - 3 kilometers. It takes several 
hours to drive to an object and then it takes just twenty minutes to 
film it from the air. There is already technology with the long range of 
40 and more kilometers, for example Dragonlink V3 [3]. For such a long 
range it would be already not a quad but a fixed-wing aircraft, and 
electric glider.


Instead of long driving by car an electric glider could fly directly to 
an object and make aerial images and video. Glider has got only one 
motor and on a quiet day it does not even need it all the time, just to 
climb, and then it can glide for a while without a motor.


But to pilot a long range RPAS one would need a special Permit for the 
operation of drones without direct eye contact [4]. And to obtain such a 
permit there should be an internal formal training and internal 
certification. A pilot of long range RPAS must know meteorology, weather 
patterns, know how to make defensive maneuvers in case of a large bird 
attack (not to hurt a protected bird and not to crash a RPAS), how to 
react to low flying manned aircraft, and many other things.


Dragonlink V3 costs 336 USD, an electric glider with the wing span of 
two or more meters capable to carry a GoPro (or better) camera costs 
from 179.- USD [5]. So it is affordable and doable. With the range of 
40+ km the aerial photography becomes scalable, and it has got a 
potential to change mapping. However, having a background in civil 
aviation [6], I am aware that for successful safe operations the formal 
training and certification are essential. Civil aviation authorities of 
a country should see that this is a serious organization, with a serious 
approach, otherwise no one will let us into an airspace.


There is a special equipment for training readily available. For 
example, popular Spektrum and Futaba radio controllers have got wireless 
instructor-student link, so a student can pilot an RPAS without any 
risk, as an instructor can take control any moment.


[1] 
https://www.google.com/maps/contrib/101802068168905320382/photos/@46.4410425,16.1201149,6z/data=!3m1!4b1!4m3!8m2!3m1!1e1


[2] https://en.wikipedia.org/wiki/Nyon_Castle (same video on youtube 
https://youtu.be/GsSVZfiJFnA )

https://commons.wikimedia.org/wiki/File:Nyon-Castle-aerial-1.jpg

 https://en.wikipedia.org/wiki/Bilhorod-Dnistrovskyi_fortress (same 
video on youtube https://youtu.be/C-kQjmzlY7A )

https://commons.wikimedia.org/wiki/File:Akkerman-fortress-aerial-1.jpg
 etc.

[3] http://dragonlinkrc.com/

[4] 
https://www.bazl.admin.ch/bazl/en/home/good-to-know%20/drones-and-aircraft-models/permits-for-the-operation-of-drones-without-direct-eye-contact-o.html


[5] http://www.e-fliterc.com/Products/Default.aspx?ProdID=EFL4750#home

[6] https://drive.google.com/open?id=0BwIBJzM0u50qOXZ5bnFEZi1hTGM

Best regards,

Oleksiy ( https://en.wikipedia.org/wiki/Alexis_(given_name) )

Re: [OSM-talk] Without an address, an Icelandic tourist drew this map of the intended location (Búðardalur) and surroundings on the envelope. The postal service delivered!

[Oleksiy Muzalyev]

I typed "slums" in Google and looked at resulting numerous images of 
slums. I tried to imagine where to place street signs or block number 
plaques. Often the walls of shacks are made from a mixture of worn-out 
fabric, cardboard, corrugated iron.


Even if street signs are placed on poles, I am afraid these poles will 
be stolen and reused for building or improving a shack. At the same time 
there are quite a few multi-storey cabins, so just GPS coordinates or 
three words are not enough. The address should also contain somehow a 
floor number.
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Re: [OSM-talk] Analysis of usage of similar tags over time

[Oleksiy Muzalyev]

On 01/09/16 00:15, Matthijs Melissen wrote:

Hi all,

Recently, a new tool was created by Martin Raifer (@tyrasd) to
generate graphs of the usage of tags over time. This is a great tool
that gives us more insight in what drives the choice of tags by
mappers. The tool can be found at http://taghistory.raifer.tech/.

I wrote an OSM diary to discuss some results:
http://www.openstreetmap.org/user/Math1985/diary/39404#comment35887

-- Matthijs

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I entered

man_made=tower

man_made=mast

amenity=atm

amenity=police

etc.

in this tool and it showed graphic lines in different color. Amazing.


However I have got yet some doubts as one usually does about a new tool. 
Could it be that there are only 104000 ATMs mapped in the whole world? I 
mean, - is it really the data from the OSM database? Is it retrieved via 
the Overpass API or from a tool's own database? If the latter how often 
it is synchronized with the live OSM database?



One more thing: in JOSM when one selects a key there is a readily 
available drop down list of values for this key. And even when one 
starts typing the key there are suggestions based on first letters 
entered. It would be great if Martin Raifer could add a similar 
functionality to the page. It is possible to do with jQuerry 
Autocomplete feature [1]. Otherwise I have to switch to JOSM back and 
forth to look up the exact key pairs spelling. Could you please 
forward to Martin this suggestion?



[1] https://jqueryui.com/autocomplete/


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Re: [OSM-talk] Analysis of usage of similar tags over time

[Oleksiy Muzalyev]

On 01.09.2016 12:43, Mike N wrote:

On 9/1/2016 6:04 AM, Éric Gillet wrote:


You can see on taginfo that there are indeed around 104k ATM on OSM
: http://taginfo.openstreetmap.org/tags/amenity=atm


Also 222000+ combined with amenity=bank as atm=yes , (a small % of 
those are atm=no)



Thank you for pointing that out. 222K+ (amenity=atm & atm=yes) sounds 
about right.



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Re: [OSM-talk] OpenStreetMap Awards - The Voting Has Started

[Oleksiy Muzalyev]

On 07.09.2016 9:40, Martin Koppenhoefer wrote:


sent from a phone


Il giorno 07 set 2016, alle ore 07:29, Oleksiy Muzalyev 
<oleksiy.muzal...@bluewin.ch> ha scritto:

but i did not press Submit button again, the second time, as I was afraid that 
it would count my vote twice.


as your vote is tied to your user account it should not be counted several 
times, regardless how many times you send it in.

Cheers,
Martin


I visited this page from another computer (with logging to the OSM). And 
my choices were the same, so it seems the vote was recorded on the 
server (and not in the browser's local storage). Still a confirmation 
message that a vote was actually submitted and registered would not harm 
in my opinion.



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Re: [OSM-talk] OpenStreetMap Awards - The Voting Has Started

[Oleksiy Muzalyev]

On 07.09.2016 10:02, Martin Koppenhoefer wrote:


sent from a phone


Il giorno 07 set 2016, alle ore 09:46, Frederik Ramm  ha 
scritto:

Damn, NOW you tell me?


Why else would you have to login via OAuth, and how could you later change your 
initial decision if it's not done like this?

I am only assuming here, but as this is not the most serious and important 
thing to vote for (i.e. there is not sooo much at stake), I am confident that 
everybody is playing fair, privacy of vote is respected, multiple account 
holders only vote once, etc.

I agree that a sending confirmation would be nice to have...

cheers,
Martin
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Martin,

I am sorry, I have to disagree that it is not an important thing to vote 
for. People work not for money, at least not only for money. Social 
recognition, public acknowledgment are significant motivating forces 
too. This is as important as anything else.


Cheers,

Oleksiy


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Re: [OSM-talk] Without an address, an Icelandic tourist drew this map of the intended location (Búðardalur) and surroundings on the envelope. The postal service delivered!

[Oleksiy Muzalyev]

It is clear that in Iceland there are street signs. However, a growing 
number of people on Earth is living in slums [1] or slum-like areas, 
where a classical system of addresses from the 19th century is not 
affordable. The majority of people do not have any addresses and will 
never have them, unless something better is invented, - a robust 
universal system based on physical laws. Sometimes dwellers may have 
smartphones but not addresses.

[1] http://www.who.int/gho/urban_health/en/

On 30.08.2016 16:25, Jóhannes Birgir Jensson wrote:
The actual address to that farm would be much shorter even, Hólar, 
Búðardal.


Simple phone book lookup gives us this 
https://ja.is/?q=h%C3%B3lar%20b%C3%BA%C3%B0ardal (here Hólar has been 
changed to dative case Hólum).


Probably you'll find a small sign by the driveway to the farm at the 
main road with the farm name, thats about it for signage in rural areas.



Þann 30.08.2016 13:44, Oleksiy Muzalyev reit:
https://www.reddit.com/r/pics/comments/50a5pk/without_an_address_an_icelandic_tourist_drew_this/?ref=share_source=link 



I never saw this type of addressing on an envelope. It is interesting
because the system with the street name signs and the house number
plaques is very expensive, requires a lot of service, dedicated
lightning, etc.

Here is this place on the OSM map:

http://osm.org/go/e1DQElSx--?m=

It took just several seconds to find it (even without knowledge of the
Icelandic language).



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Re: [OSM-talk] Without an address, an Icelandic tourist drew this map of the intended location (Búðardalur) and surroundings on the envelope. The postal service delivered!

[Oleksiy Muzalyev]

On 30.08.2016 17:03, Iván Sánchez Ortega wrote:

... Tell me what's not affordable about spray-painting letters
on the sides of buildings?

...


If it were as simple as this. An address, currently a street name and 
house number, is to be present in a property title, so it should be 
unambiguous and recognized legally. Besides, streets could be renamed 
from time to time due to changing political moods. Letters painted with 
a cheap paint fade quickly under the sun light. There is an issue of 
illegal construction, - there are cities where about half of an urban 
agglomeration may be an illegal slum. And so on and so forth. So it is 
an expensive system which requires maintenance and enforcing.



Though you may be right, - maybe it is not possible to invent anything 
better than a system of addresses based on street names and house 
numbers. May be it is the final system, where the human ingenuity 
reached the Wall of Physical Laws, and no other progress is possible.



I just saw this envelope with the map, and it was something new and 
original.



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Re: [OSM-talk] Without an address, an Icelandic tourist drew this map of the intended location (Búðardalur) and surroundings on the envelope. The postal service delivered!

[Oleksiy Muzalyev]

On 30/08/16 20:12, Stefano wrote:



2016-08-30 19:24 GMT+02:00 Colin Smale >:


I am going to say this very quietly what3words


IKEA furniture is more recognizable than english words
http://www.what3ikea.com/

/s

Cheers,
Stefano
These all are good tries, however it should be something like MP3. When 
MP3 appeared it immediately became clear that the era of CD is over. Or 
a Cartesian coordinate system. For two thousand years the dot was 
considered as a final indivisible entity, an axiom. Until René Descartes 
split the dot in two coordinates x and y. Now it seems to be obvious, 
but at that time Isaac Newton had to reread Descartes' La Géométrie, 
where this idea was published, nine times. A Cartesian coordinate system 
was a ground-breaking idea.


It is flying in the air, but it is not there yet. Perhaps, it requires a 
thinker like René Descartes to formulate, if it is doable at all.



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Re: [OSM-talk] Without an address, an Icelandic tourist drew this map of the intended location (Búðardalur) and surroundings on the envelope. The postal service delivered!

[Oleksiy Muzalyev]

On 31/08/16 10:03, Maarten Deen wrote:


How did people manage before the age of smartphones, accurate GPS and 
free maps?


Regards,
Maarten
Felix Dellatre, a German who lives in Managua, told in his presentation 
"Community mapping in Nicaragua" at the OSM US conference in San 
Francisco in 2013, that people do not come after dark because of the 
risk of being lost. They cannot go to the cinema, theater, courses, etc.


He also said that the absence of address system makes it impossible to 
call police or ambulance, and as a result local informal "authorities" 
emerge which try to establish a semblance of an order. He told that 
addresses are given is such a way as: "make four hundred steps to the 
north from the place of a burnt church, and ask Miguel".


Please, note than both Nicaragua and especially Brasil are relatively 
well-to-do countries with stable central authorities. You may look at 
the maps of the cities of many other countries and see that a lot of 
areas do not have street names at all and will never have them. The 
current system of street names and house numbers is not scalable, and it 
is not suitable for the whole world. The same as say, excuse me, a flush 
toilet system, which is common in Europe and North America, and yet it 
is absolutely not applicable for many other places. You may see this 
excellent BBC documentary "The Toilet An unspoken History" about it: 
https://www.youtube.com/watch?v=0ZHm3vkavgM .


I am sorry for this a bit too strong example, but it illustrates well 
that not all things to which we are accustomed are applicable elsewhere, 
especially in a places with scarce resources.


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Re: [OSM-talk] Without an address, an Icelandic tourist drew this map of the intended location (Búðardalur) and surroundings on the envelope. The postal service delivered!

[Oleksiy Muzalyev]

On 31/08/16 07:54, Andreas Vilén wrote:
"frame;lock;door" hmm... or was it "frame;lock;window"? ---> mail gets 
delivered to the other side of the world. If you write "Main street 
15" instead of "Main street 13" it will probably get delivered 
correctly anyway as long as the name is correct.


Also, tell people who are supposed to deliver mail in the favelas of 
Brazil to constantly wear a smartphone around their neck and you will 
see very few people willing to do that work...


Imo it's better to let these areas choose their own (classic) 
addresses and then report these to the authorities.


/Andreas
It looks like they are trying to do exactly this. Here is a map of a 
part of Rio de Janeiro in Brasil: http://osm.org/go/OVcch3Alh- .


But this approach is not scalable, - even on this map you can see three 
/Rua C/, four /Rua A/ (Rua means Street in Portuguese). Without a 
central authority it will end up in numerous duplicates.


I heard that in such areas of a city a smartphone is a basic necessity, 
because if one leaves home when it is dark outside it is difficult to 
find way back as there are no street signs, and one may realistically 
get lost till dawn.
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[OSM-talk] Without an address, an Icelandic tourist drew this map of the intended location (Búðardalur) and surroundings on the envelope. The postal service delivered!

[Oleksiy Muzalyev]

https://www.reddit.com/r/pics/comments/50a5pk/without_an_address_an_icelandic_tourist_drew_this/?ref=share_source=link

I never saw this type of addressing on an envelope. It is interesting 
because the system with the street name signs and the house number 
plaques is very expensive, requires a lot of service, dedicated 
lightning, etc.


Here is this place on the OSM map:

http://osm.org/go/e1DQElSx--?m=

It took just several seconds to find it (even without knowledge of the 
Icelandic language).



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Re: [OSM-talk] Artwork problems

[Oleksiy Muzalyev]

On 25.08.2016 22:11, Martin Koppenhoefer wrote:


sent from a phone


Il giorno 25 ago 2016, alle ore 15:28, Daniel Koć  ha scritto:

there are some places, where the indoor artworks just make noise and I still 
don't know how to avoid this clutter in general:

http://www.openstreetmap.org/#map=18/48.86064/2.33631


these look like artwork in a museum, I guess they don't meet the definition for 
the osm tag according to the wiki (public artwork) and should be fixed 
(different tagging)

cheers,
Martin
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The artwork icon resembles the Academy Award, or "Oscar" statuette 
https://en.wikipedia.org/wiki/Academy_Awards . It does not evoke art 
either inside or outside the museum.



On the other hand, what an icon can possibly resemble such a statue 
outside this museum 
https://commons.wikimedia.org/wiki/File:Louis_XIV_Bernin_r%C3%A9plique_Cour_Napol%C3%A9on_Louvre.jpg 
?



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Re: [OSM-talk] Working with lat and long simply

[Oleksiy Muzalyev]

On 11/09/16 10:49, Martin Koppenhoefer wrote:

Il giorno 11 set 2016, alle ore 05:50, Oleksiy Muzalyev 
<oleksiy.muzal...@bluewin.ch> ha scritto:

I encountered exactly this problem when I was trying to explain a person how to 
find coordinates for the Upload photo page of Wikimedia


btw, the coordinates of a photo should be the location from where it was taken, 
not where it points to/what is on it


cheers,
Martin

Dear Martin,


You are right. For photos it is clear. Some photo-cameras are even 
capable to add coordinates to photos, and then /Camera location/ lat and 
lon fields at the Wikipedia upload page are filled in automatically.



However, it is not so clear for videos. Wikimedia allows now to upload 
HD videos. For example, last weekend I filmed a documentary video of 
/Fort des Rousses/ and added it to the Wikipedia page [1]. It is the 
second by territory military fort of France, 21 ha, constructed in the 
19th century. I filmed it from the ground walking around its walls and 
from the air flying around.



The nearby lake /Lac des Rousses/ [2] is even larger, 0.9 km2. My aerial 
and ground cameras moved around it while filming quite long distances.



In such cases I select the middle of the area which was filmed at the 
OSM map Share section, copy & paste the link to a text editor, remove 
parts of the URL leaving only two real numbers of lat and lon, and then 
I add these coordinates manually to the Camera location lat and lon 
fields at the Wikimedia upload page. It requires some additional manual 
work, a text editor, but it is doable and even kind of simple. But I 
could not explain this process to a non-IT colleague via e-mails even 
with screen shots.


With best regards,
Oleksiy

[1] https://fr.wikipedia.org/wiki/Fort_des_Rousses
[2] https://en.wikipedia.org/wiki/Lac_des_Rousses

(switch to resolution 1080P from default 480P at Wikipedia video-player 
if viewing videos)
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Re: [OSM-talk] Working with lat and long simply

[Oleksiy Muzalyev]

On 10/09/16 17:43, john whelan wrote:

In many parts of the world addresses don't exist.

There are multiple schemes that will create addresses using three 
words, etc.


However lat and long exists for everywhere on the planet.

Internally .osm files have the lat and long for every POI.

However dig it out of the xml code and drop it into Nomination and you 
get an error.  lat='45.472891' lon='-75.4891002'


What sort of accuracy would we need?  Do we need all the digits? Can 
we build something with a check digit in to help with transposition 
errors.


Is there some way to be able to dig out the lat and long easily from 
OSM for a non technical user?  Something that could be cut and 
pasted?  and search for a location using latitude and longitude?


Note none of this cannot be solved technically its more finding a 
process(es) to make it more user friendly for those who may not have a 
PhD in GIS.


Thanks John



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Hello John,

I usually create a link at the OSM map in the Share section and then dig 
out from the link a latitude and a longitude for a place.


It is a very good idea to create an easy way to extract a latitude and 
longitude for a location on the OSM map say to clipboard in one click, 
and then vice versa, just drop two figures into the search box and get a 
marker on the map, - does not matter if these two figures separated by 
colon, space, etc. And make the same functionality on mobile version, in 
JOSM, apps, etc.


Latitude and longitude are physical values, they will never change for a 
house on Earth, no matter what. They do not depend on politics, 
economics, linguistics of the current moment.


Certainly, for most OSM mappers an address is not an issue, however we 
could take a part of responsibility and create an address system for 
billions of people who do not have it.



I was impressed when I read Article #70 [1] of the new constitution of 
the Canton of Vaud  (my translation 
in English):


/Chapter 9 Associations and volunteers //
/

/Art. 70//
//1 The state and municipalities take into account the role of 
associations and recognize their importance.//
//2 They may grant to recognized associations support for their 
activities of general interest.//
//3 They may delegate them tasks within the framework of partnership 
contracts.//

//4 They facilitate volunteering and training for volunteers./


I mean an association like the OSM has got its importance and its share 
of responsibility, and it does not matter if it consists from volunteers.


Again great idea of yours, simple and elegant.

[1] 
https://www.admin.ch/opc/fr/classified-compilation/20030172/20150311/131.231.pdf


Best regards,

Oleksiy




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Re: [OSM-talk] Working with lat and long simply

[Oleksiy Muzalyev]

On 10/09/16 20:23, Colin Smale wrote:


On 2016-09-10 18:55, Oleksiy Muzalyev wrote:

Latitude and longitude are physical values, they will never change 
for a house on Earth, no matter what. They do not depend on politics, 
economics, linguistics of the current moment.


You sure about that? Plate tectonics means that everything is in 
motion, albeit slowly. On top of that there have been a couple of 
"adjustments" to WGS84 which have caused coordinates to change.


//colin



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Indeed, 2 - 5 cm per year. It is a lot. I did not think they move so 
fast. Two-five meters per century. Then if we use this method, a marker 
should be pointed initially to the middle of a house, so that in a 
hundred years it is still pointing to its edge.



However, street names change too, - for example: 
http://novgorod.me/media/live/2015/04/AS9dCvAZDuY-1-600x310.jpg , 
sometimes several times per century as on this photo. Not even street 
name, but even language and alphabet changed three times.



I could not find out though how significantly coordinates changed with 
"adjustments" to WGS84, and if such adjustments will continue.


Best regards,

Oleksiy


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Re: [OSM-talk] Working with lat and long simply

[Oleksiy Muzalyev]

On 10/09/16 20:46, john whelan wrote:


I see to recall that Australia is on the move.  So it would seem that 
we should retain as much accuracy as possible then if we're a metre 
out it isn't quite so important.


I think any generic addressing scheme is going to suffer from parts of 
the world moving though and it is a limitation we have to work with.  
From a practical point of view just grabbing a new address every 
decade would probably work fairly well.


Cheerio John

I wish an address could be more stable than a decade, as it should be 
used also in property documents. If it is 2 - 5 meters per century, then 
it is still acceptable.


I wonder how "three words" services plan to deal with it? Recalculating 
coordinates behind the scene? But in a century there will be probably no 
these services, and no Internet as we know it. It is a lot of time. But 
latitude and longitude will still exist. And it would be possible to 
recalculate them taking into account the tectonic plates factual 
movement to prove property rights.


Best regards,
Oleksiy

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Re: [OSM-talk] Working with lat and long simply

[Oleksiy Muzalyev]

On 10/09/16 23:02, john whelan wrote:


So essentially we're saying it's just a matter of documentation.  
OSMand has the capability to display the lat and long of a poi as well 
and this can be cut and pasted so it looks as if we can use lat and 
long as an address system.


Thanks John

I would not agree. It is not the case. Certainly, one can find 
coordinates of a node, or find them in a link produced in the Share section.


But there is no way to make a single click on a house and get two 
figures of latitude and longitude to the clipboard, or in a popup 
message box for copying. Not of a middle of the screen, not as part of 
an URL, but just of the place of the one click.


I encountered exactly this problem when I was trying to explain a person 
how to find coordinates for the Upload photo page of Wikimedia. I've 
made screen shots, where I showed the link from the Share of the OSM and 
how to cut latitude and longitude of a marker from this URL. It seems 
relatively simple for me, but this person said, - no it is too 
complicated and added the photo without coordinates.


Reverse Query: 
https://www.openstreetmap.org/search?query=51.5171393,-0.094835 does 
work, but it does not produce a marker pointing to the house. It 
requires formatting, - coma between, and if there is say semicolon 
between it does not work.


If latitude and longitude are to be used as an address system in the 
regions just getting online, extracting lat and long from the OSM should 
be in one click on a house while a marker appears on it after the click, 
and getting a marker back on this house via search on two real numbers 
separated by coma, semicolon, space, etc.


Best regards,
Oleksiy



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Re: [OSM-talk] Filling in the gaps in the map with crowdsourcing techniques

[Oleksiy Muzalyev]

On 25.09.16 20:11, john whelan wrote:


If we go back in time OSM started with people cycling round carrying a 
GPS tracker device and photographing street signs.


Now we have other ways of collecting data and to be honest often it's 
a matter of ensuring what we have in the map is up to date.


Imagery is fine as far as it goes but it falls down on details such as 
does this building have a cafe with WiFi available?


HOT is one of the players here, they have volunteers mapping from 
imagery but having details added to the map from mappers on the ground 
makes the map richer and more useful to others as well as HOT and the 
NGOs.


Locally I try to remember these sort of details and enter them in JOSM 
when I get home but what sort of other methods are there available?


OSMand and POI editing springs to mind, JOSM on a tablet or laptop.  I 
don't think iD would work unless it was burning up data on a phone 
plan or in a WiFi area.


Walking papers sounds interesting, but could we produce a custom map 
that shows just the highways and say buildings we'd like tagged?


Vescuppi would work but again if we are to make of use the 
crowdsourcing techniques in some ways pioneered by HOT of maperthons 
and iD we need something simple and a way to focus in on those 
elements that we'd like extra tags on or need verifying because they 
are more than say five years old.  I'm thinking of cafes with WiFi here.


Thoughts?

Thanks John



Hi John,

It is possible to add a /wikipedia, wikimedia-commons, wikidata /[1] to 
provide a reference to an article in Wikipedia, Wikimedia, or Wikidata 
about the feature on the OSM map. Wikimedia accepts now HD video files 
up to 5 GB, as it built a new data center.


So what we can do is to film a short documentary about a feature using 
both aerial and ground footage, upload it to a respective Wikimedia 
page, then add reference of a video a Wikidata and Wikipedia page, and 
finally add /wikidata/ and legacy /wikipedia & wikimedia-commons /to the 
OSM map. I provide some examples of such my videos [2]. If there is no 
time to film and edit a video it could be just oblique low-altitude 
aerial & ground images [3].


It could be not only a video about a building, but about an area, say a 
lake [4].


It became much easier to film such videos as there are nowadays readily 
available aerial and ground cameras with an active gimbal stabilization. 
Besides weather forecasts also became more accurate, so it is possible 
now to plan a filming expeditions in advance.


Having a aerial & ground footage of an object one can add 
/building:levels/, /height/, /leaf_type/, /amenity=parking/, and other 
information for the whole adjacent area.


We can expect that in future the resolution of aerial cameras will 
became even higher. The same about an UAV range and reliability.


[1] http://wiki.openstreetmap.org/wiki/Key:wikipedia

[2] https://en.wikipedia.org/wiki/Bilhorod-Dnistrovskyi_fortress
https://en.wikipedia.org/wiki/Nyon_Castle

[3] https://fr.wikipedia.org/wiki/Coll%C3%A8ge_Madame_de_Sta%C3%ABl
https://commons.wikimedia.org/wiki/Category:Coll%C3%A8ge_Madame_de_Sta%C3%ABl

[4] https://en.wikipedia.org/wiki/Lac_des_Rousses

Best regards,
Oleksiy



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Re: [OSM-talk] Multilingual feedback wanted for OpenStreetMap Carto

[Oleksiy Muzalyev]

On 19.09.2016 12:13, Paul Norman wrote:

On 9/19/2016 2:32 AM, Oleksiy Muzalyev wrote:


The hyphens are not disappearing from the Ukrainian geographical 
names. The names are just always spit in two lines at a hyphen for 
some towns. Exactly as for Wotton-under-Edge 
<https://en.wikipedia.org/wiki/Wotton-under-Edge> in the UK. Google 
map shows the name /Wotton-under-Edge/ always in one line on the map: 
https://www.google.com/maps/@51.6338253,-2.3526667,14.95z?hl=en , but 
the OSM map always shows this name split in two lines.


In France too some towns' names are always rendered in two lines now. 
For example: Saint-Jean-d'Angély 
<https://en.wikipedia.org/wiki/Saint-Jean-d%27Ang%C3%A9ly> : 
http://osm.org/go/equZGaGg-- . Maybe it is an indented feature now, 
however at Google and Bing maps such town names are displayed in on 
line, as it should be.




The changes this topic is about are not live on openstreetmap.org. The 
original message has details, but the issue tracking the proposed 
changes is 
https://github.com/gravitystorm/openstreetmap-carto/pull/2349, and you 
can see images there that show what the change is.


The OpenStreetMap Carto project uses GitHub for issue tracking, so 
unless comments are made on the pull request they are likely to lost 
and not be considered when deciding to accept proposed changes.


After this discussion it seems that it is not an issue. It is just a 
designer's choice, - some towns' names (and other geographical names) 
are split now in two lines at a hyphen at any zoom. And it is not only 
in Ukraine, but in UK, France, and probably other places.
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Re: [OSM-talk] Multilingual feedback wanted for OpenStreetMap Carto

[Oleksiy Muzalyev]

On 18/09/16 04:32, Paul Norman wrote:
I'm looking for feedback from people who read non-latin languages on a 
proposed OpenStreetMap Carto font change.


We are considering moving to Noto fonts and could use feedback from 
people who can read languages which have non-latin scripts, 
particularly Asian languages. I've made previews in about a dozen 
different languages at 
https://github.com/gravitystorm/openstreetmap-carto/pull/2349#issuecomment-247819822 
and want to check that there are no new problems. We may have to 
adjust font sizes, but that's a different issue.


If you've got feedback, please leave it on 
https://github.com/gravitystorm/openstreetmap-carto/pull/2349


Hi Paul,

I noticed a slight bug for the Ukrainian alphabet. A hyphen "-" can be 
an integral part of a town name, as opposite to indication of the 
division of a word at the end of a line.


Here are some examples:

The name of the city of Kamianets-Podilskyi 
 (on Google map is 
written correctly, on the OSM map wrongly, always in two lines):


http://osm.org/go/0hmtaWQg-
https://www.google.com/maps/@48.6906937,26.5564268,13z?hl=en

The town of Bilhorod-Dnistrovskyi 
 (again on Google 
map is written correctly, on the OSM map wrongly, always in two lines):


http://www.openstreetmap.org/#map=13/46.1517/30.3499
https://www.google.com/maps/@46.1562394,30.4138062,11.81z?hl=en

It should be at least as Khanty-Mansiysk 
 in Russian Federation, 
in one line at close zooms:


http://osm.org/go/2xZYTDR-
https://www.google.com/maps/@61.0084264,69.0622292,12.98z?hl=en

or even better always in one line. For example, we do not write on the 
map the names of New York or San Francisco in two lines.


The names of these towns in Ukrainian are /Кам'янець-Подільський /and 
/Білгород-Дністровський. /They are written normally in one line. These 
are well-known towns in local culture. The first was founded in 12th 
century, the second in 6th century BC (it's one of the most ancient 
cities of with a continuous existence).


Best regards,
Oleksiy

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Re: [OSM-talk] Multilingual feedback wanted for OpenStreetMap Carto

[Oleksiy Muzalyev]

Hi Andrew,

If it were in the documentation I would type the HTML non-breaking 
hyphen: // instead of the usual hyphen "-" in the city names. 
However, other mappers, who probably do not know the HTML coding, may 
think that it is an error.


In the past we had no such issue. The OSM started to split some city, 
town, and village names in two lines at a hyphen recently. I would say a 
month or so ago. But again, in Ukrainian and Russian geographical names 
a hyphen does not mean the division of a word at the end of a line. But 
it is an integral part of the name. It is not possible to write 
Khanty-Mansiysk, Kamianets-Podilskyi, or Bilhorod-Dnistrovskyi without a 
hyphen, it is out of the question. It would look like an outright 
spelling error.


On the other hand, displaying them always in two lines even at zooms 
where there is space around does not seem right either.


I would suggest to use spaces around a hyphen to indicate the division 
of a word at the end of a line. For example: /divi - sion/ or /divi 
-sion /would split a word in two lines on the map, but 
/Bilhorod-Dnistrovskyi/ (without spaces around hyphen) would be rendered 
in one line.



Best regards,
Oleksiy

On 19.09.2016 10:11, Andrew Errington wrote:

I really like the Korean text, and I'd love to see it go live.

Regarding the incorrect splitting of names at a hyphen, can this be 
dealt with by using the Unicode non-breaking hyphen?

http://www.fileformat.info/info/unicode/char/2011/index.htm

Mappers would have to type the non-breaking hyphen instead of a 
regular hyphen, but the renderers should be able to do the right thing 
if a non-breaking hyphen is used.  Otherwise someone has to write a 
whole bunch of complicated heuristics that would be horrible to maintain.


Unless hyphens in place names should always be treated as non-breaking.

Best wishes,

Andrew

On 19 September 2016 at 16:52, Oleksiy Muzalyev 
<oleksiy.muzal...@bluewin.ch <mailto:oleksiy.muzal...@bluewin.ch>> wrote:


On 18/09/16 04:32, Paul Norman wrote:

I'm looking for feedback from people who read non-latin languages
on a proposed OpenStreetMap Carto font change.

We are considering moving to Noto fonts and could use feedback
from people who can read languages which have non-latin scripts,
particularly Asian languages. I've made previews in about a dozen
different languages at

https://github.com/gravitystorm/openstreetmap-carto/pull/2349#issuecomment-247819822

<https://github.com/gravitystorm/openstreetmap-carto/pull/2349#issuecomment-247819822>
and want to check that there are no new problems. We may have to
adjust font sizes, but that's a different issue.

If you've got feedback, please leave it on
https://github.com/gravitystorm/openstreetmap-carto/pull/2349
<https://github.com/gravitystorm/openstreetmap-carto/pull/2349>


Hi Paul,

I noticed a slight bug for the Ukrainian alphabet. A hyphen "-"
can be an integral part of a town name, as opposite to indication
of the division of a word at the end of a line.

Here are some examples:

The name of the city of Kamianets-Podilskyi
<https://en.wikipedia.org/wiki/Kamianets-Podilskyi> (on Google map
is written correctly, on the OSM map wrongly, always in two lines):

http://osm.org/go/0hmtaWQg-
https://www.google.com/maps/@48.6906937,26.5564268,13z?hl=en
<https://www.google.com/maps/@48.6906937,26.5564268,13z?hl=en>

The town of Bilhorod-Dnistrovskyi
<https://en.wikipedia.org/wiki/Bilhorod-Dnistrovskyi> (again on
Google map is written correctly, on the OSM map wrongly, always in
two lines):

http://www.openstreetmap.org/#map=13/46.1517/30.3499
<http://www.openstreetmap.org/#map=13/46.1517/30.3499>
https://www.google.com/maps/@46.1562394,30.4138062,11.81z?hl=en
<https://www.google.com/maps/@46.1562394,30.4138062,11.81z?hl=en>

It should be at least as Khanty-Mansiysk
<https://en.wikipedia.org/wiki/Khanty-Mansiysk> in Russian
Federation, in one line at close zooms:

http://osm.org/go/2xZYTDR-
https://www.google.com/maps/@61.0084264,69.0622292,12.98z?hl=en
<https://www.google.com/maps/@61.0084264,69.0622292,12.98z?hl=en>

or even better always in one line. For example, we do not write on
the map the names of New York or San Francisco in two lines.

The names of these towns in Ukrainian are /Кам'янець-Подільський
/and /Білгород-Дністровський. /They are written normally in one
line. These are well-known towns in local culture. The first was
founded in 12th century, the second in 6th century BC (it's one of
the most ancient cities of with a continuous existence).

Best regards,
Oleksiy


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Re: [OSM-talk] Multilingual feedback wanted for OpenStreetMap Carto

[Oleksiy Muzalyev]

On 19/09/16 11:06, Tom Hughes wrote:

On 19/09/16 08:52, Oleksiy Muzalyev wrote:


I noticed a slight bug for the Ukrainian alphabet. A hyphen "-" can be
an integral part of a town name, as opposite to indication of the
division of a word at the end of a line.


Well that's true in the UK as well, but for some reason the hyphens 
are being preserved there even when a line break is inserted, for 
example:


  http://www.openstreetmap.org/#map=15/51.6374/-2.3542

So the question is why are the hyphens disappearing in the Ukranian 
names but not in the English ones?


Tom


Hi Tom,

The hyphens are not disappearing from the Ukrainian geographical names. 
The names are just always spit in two lines at a hyphen for some towns. 
Exactly as for Wotton-under-Edge 
<https://en.wikipedia.org/wiki/Wotton-under-Edge> in the UK. Google map 
shows the name /Wotton-under-Edge/ always in one line on the map: 
https://www.google.com/maps/@51.6338253,-2.3526667,14.95z?hl=en , but 
the OSM map always shows this name split in two lines.



In France too some towns' names are always rendered in two lines now. 
For example: Saint-Jean-d'Angély 
<https://en.wikipedia.org/wiki/Saint-Jean-d%27Ang%C3%A9ly> : 
http://osm.org/go/equZGaGg-- . Maybe it is an indented feature now, 
however at Google and Bing maps such town names are displayed in on 
line, as it should be.



Best regards,

Oleksiy




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Re: [OSM-talk] OpenStreetMap Awards - The Voting Has Started

[Oleksiy Muzalyev]

The same here. After clicking Submit the page seemed to reload, but 
there was no confirmation message, something like: "Your vote was 
submitted successfully. Thank you." I voted with the latest Firefox 
48.0.1 on Mac.


And after reloading of the page the choices (radio buttons) remained 
selected, as if inviting to vote again, but i did not press Submit 
button again, the second time, as I was afraid that it would count my 
vote twice.



On 07/09/16 05:18, Emir Hartato wrote:

Hi Ilya,

Thank you for organising the OSM Awards.
Anyway, I have a small technical problem. It seems nothing happened 
when I click on 'Submit my votes' button.
I don't know whether my votes are submitted or not. I'm using Safari 
Version 9.1.3 (11601.7.8).


Cheers,
Emir


On 7 September 2016 at 08:49, Ilya Zverev > wrote:


Hi everyone,

Some of you have submitted nominees for the OSM Awards, and two
days ago we (as in some members of CWG, SotMWG and the Board) have
discussed them and compiled a short list: five nominees for each
category.

Now the final stage of the OSM Awards begins: please open the
website, http://awards.osmz.ru , and choose one nominee for each
of the six categories, who you think has contributed the most and
deserves an award slightly more than others.

Although it is a hard task: imo all of the shortlisted nominees
deserve praise. Thank you for what you are doing, please do not
stop. And maybe even not only shortlisted.

But this is an award, and it should have its winners, so now it is
up to you who receives the award on the Sunday of the State of the
Map. So again, go and vote:

http://awards.osmz.ru

You can alter your choice up until the voting closes, by September
22nd.

IZ

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Re: [OSM-talk] Strange location reading

[Oleksiy Muzalyev]

On 27.09.16 21:51, John Eldredge wrote:
This past weekend, I made a long road trip. At one point, while in a 
highway rest stop, I checked Google Maps to see how far I had come. To 
my surprise, it showed me at a different rest stop, about 200 miles 
from my actual location. I suspect that my phone couldn't get a good 
GPS reading, and was relying on the WiFi ID from the rest area office. 
The other rest area was probably using the same SSID.


I didn't think to launch OSMand for comparison, but I suspect it would 
have given me the same bogus results, as the choice of whether to use 
WiFi, cell tower, GPS, or a combination, to determine your location is 
set in the system settings, not inside the mapping applications.


GPS signal is not influenced by clouds, rain, and snow. The GPS signal 
frequency of about 1575mhz was chosen expressly because it is a "window" 
in the weather as far as signal propagation is concerned [1]. However a 
coating of water, snow, or ice on a smartphone or on a car may block GPS 
signal. A coating of water, even a fairly thin one is NOT the same as 
raindrops.



So if one is outside and a device is dry, the GPS reading should be 
correct no matter what is the actual weather. Otherwise it makes sense 
to restart the device, or change it if an incorrect GPS location reading 
persists.



[1] http://gpsinformation.net/gpsclouds.htm



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Re: [OSM-talk] Mozambique's living streets

[Oleksiy Muzalyev]

On 11.12.16 01:15, Jean-Marc Liotier wrote:

On 12/10/2016 08:47 PM, john whelan wrote:
I just did a search on part of Mozambique and came across more than 
500 highway=living_street.


I always understood them to be a European concept highway with signs 
on the street and a very low max speed.  I wouldn't have expected to 
see so many clustered together in Mozambique.


Idle curiosity are they a legal entity in Mozambique and other parts 
of Africa?


A while ago 
(https://lists.openstreetmap.org/pipermail/talk-fr/2013-August/061580.html) 
I started a thread about usage of highway=living_street in Africa. The 
resulting consensus was that, while unpaved residential streets in 
Africa are living streets in practice, they are not legally classified 
that way - and therefore the correct tagging is highway=residential... 
But participants in the thread were mostly experienced with 
French-speaking Africa - so I cannot rule out the existence of a 
living street legal classification in other locales.




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Another possibility is a combination:

highway=service plus service=alley

https://wiki.openstreetmap.org/wiki/Tag:service%3Dalley

for example here: 
http://www.openstreetmap.org/way/230413004#map=14/46.6890/31.1548


These are not really residential streets like in a city, which are a 
shown on the map with strong lines.



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[OSM-talk] RPAS school

[Oleksiy Muzalyev]

Dear Fellow Mappers,


I would like to share information about one of the first RPAS (Remotely 
Piloted Aircraft System) schools in Europe, Fly & Film SA 
. The school is situated in the town of 
Sierre  in the canton of Valais.



I studied for one week at this school and received a RPAS pilot 
certificate (1). The course was in French language, and the certificate 
is in two languages French and English, since the latter is the de facto 
language of civil aviation.



I fly RPAS for quite a while already, nevertheless this training was 
interesting and useful. Among instructors were helicopter & RPAS pilots, 
a director of an international airport, an ornithologist. Five days of 
intensive training were followed by a theoretical exam and a practical 
(piloting) exam, which I passed both successfully. It is mentioned in 
the certificate that the piloting exam was with and without GPS 
stabilization, and that is why the certificate has got a "no 
restrictions" clause (fr. Restrictions: aucune).



We studied legal and insurance issues, environment protection, general 
aviation topics, meteorology, maintenance and safety. The practical 
training was focused on precision flying, safety procedures, etc.



I fly mostly to produce oblique low-altitude aerial photographs, which I 
add to the OSM map via an /image/ tag. You can see how much additional 
information provides such an aerial image on an example of the UEFA 
headquarters (2) on the map or a Colovray Stadium in Nyon (3) (the 
clickable /image/ link is in the left part of a page).



Perhaps, there are other approaches of using RPAS for mapping and data 
fusion. In this respect I think it would be a good idea to create in 
future an OSM Aviation working group, similar to the HOT Aviation 
working group, but for general mapping, not only for mapping of disaster 
areas. In such a working group we could share know-hows, technics, 
ideas, organize workshops, etc.



(1) https://drive.google.com/open?id=0BwIBJzM0u50qOEVkUWVyaGJENUk

(2) http://www.openstreetmap.org/way/258913915

(3) http://www.openstreetmap.org/way/245395546


With best regards,

Oleksiy (Alex-7)


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Re: [OSM-talk] Public GPS Traces

[Oleksiy Muzalyev]

I wish it were written in the Map Key. Something like this:

The color of the GPS tracks :
eastbound movement - red,
westbound - cyan,
northbound - yellow,
southbound - violet.

It is a very interesting feature, I mean the new GPS tracks layer, 
especially for hiking in the wilderness. One can see were people 
actually walked, how often, and in what direction. I looked up colors in 
the blog post, and I forgot as expected in fifteen minutes which color 
means what direction. If it were in the Map Key it would be more convenient.


Oleksiy

On 06.01.17 18:52, Eugene Alvin Villar wrote:
Canonical blog post that explains this layer: 
https://www.mapbox.com/blog/openstreetmap-gps-layer/


On Sat, Jan 7, 2017 at 1:41 AM, Dave F > wrote:


Main Page > Map Layers > Public GPS Traces

What do the different colours represent for this feature?

DaveF

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Re: [OSM-talk] Data Quality

[Oleksiy Muzalyev]

On 31.12.16 00:30, john whelan wrote:
There has been some recent traffic about new users and the occasional 
problems they cause.  The recent traffic was about Pokemon.  In HOT in 
theory new users work is validated.  In practise its only when a tile 
is completed and even then most tiles aren't checked.


Somewhere the number of edits and how long a mapper has been mapping 
are stored.  If we define inexperienced mappers as those who have made 
less than 20 changesets and been registered for less than a month, the 
exact figures optimum numbers need to be determined.


Than is there a method whereby I can say within this boundary show me 
any edits made by "inexperienced" mappers?


It reduces the need to check every changeset for an area.  I assume 
that most vandalisation is done by accounts that would be considered 
inexperienced mappers and we could gently guide the others towards the 
map features page etc.  If a mapper has a thousand changesets to their 
name and been mapping more than three months I think we can assume 
their mapping will contain fewer errors than an inexperienced mapper 
so there is less need to double check them.


On the HOT side it would help catch those new mappers who don't mark a 
tile done.


Thoughts?

Thanks

Cheerio John


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I could find quite a few inconsistencies with a tool which shows 
locations of the Wikipedia articles on the OSM map: 
http://ausleuchtung.ch/geo_wiki/


This tool just takes coordinates from a Wikipedia articles and places 
geo-markers on the map. Usually significant buildings, bridges, etc. 
have got a Wikipedia article often with coordinates. So markers should 
point to these objects.


If, however, a marker points on an empty place, or if there is a large 
building without a marker on it, it may be a sign of an inconsistency. 
Besides, in a Wikipedia article and in the corresponding Wikimedia 
category there are usually photos of an object, so it provides 
additional possibilities of crosschecking.


Please, note, while selecting Wikipedia language in this tool, that the 
language codes of Wikipedia do not always coincide with country codes in 
URLs. For example, for the Swedish language Wikipedia code is: sv, and 
not: se, for Ukrainian it is: uk, not ua, etc.


Best regards,

Oleksiy

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Re: [OSM-talk] Wikipedia/Wikidata admins cleanup

[Oleksiy Muzalyev]

Thank you. Great tool! It makes an inconsistency visible to people to 
make a final decision.


It is probably like in chess. It is not a man alone, neither a 
supercomputer, but a team of strong human players with usual computers 
who win no-holds-barred championship.


On 04.01.2017 13:22, Imre Samu wrote:
>..  this coordinates correction ...  Before this correction it had 
wrong coordinates placing it erroneously on absolutely another 
mountain. ...


As I see there is a tool for detect distance differences :

*OpenStreetMap - Wikidata Validator*
Each circle is an OpenStreetMap feature with a Wikidata tag.
Circle size and color are based on the distance in kilometers
between OpenStreetMap feature and Wikidata coordinates.
Large red circles mean the distance is greater than 10 kilometers,
which indicates a higher error rate.


map: https://osmlab.github.io/wikidata-osm
code: https://github.com/osmlab/wikidata-osm  ( first commit:  Nov 25, 
2016 )

issues: https://github.com/osmlab/wikidata-osm/issues



2017-01-04 11:21 GMT+01:00 Oleksiy Muzalyev 
<oleksiy.muzal...@bluewin.ch <mailto:oleksiy.muzal...@bluewin.ch>>:


Certainly a tool to check and correct obviously broken or
duplicate wikipedia=*, wikimedia_commons=*, wikidata=* links from
the OSM map would be very useful.

However, I've met inconsistencies which could be noticed only by a
knowledgeable human on the ground. For example, this coordinates
correction

<https://fr.wikipedia.org/w/index.php?title=Chapelle_Notre-Dame-des-Voirons_de_Bo%C3%ABge=121789421=121556970>
for the chapel Chapelle Notre-Dame-des-Voirons de Boëge

<https://fr.wikipedia.org/wiki/Chapelle_Notre-Dame-des-Voirons_de_Bo%C3%ABge>
. Before this correction it had wrong coordinates placing it
erroneously on absolutely another mountain. I could correct it
reliably only after actually visiting this chapel for making some
photos for its article.

The comprehensive solution would be to have a dedicated Wikipedia
layer on the OpenStreetMap. Now we have Standard, Cycle,
Transport, and Humanitarian layers. Why not Wikipedia layer
similar to this

<http://ausleuchtung.ch/geo_wiki/?lat=46.18824490036672=6.177406311035156=14=en=wiki=10>
, so that a user can select Wikipedia language and see the
geo-markers corresponding to Wikipedia articles on the map. Or see
clickable geo-markers corresponding to wikipedia=*,
wikimedia_commons=*, wikidata=* tags.

This tool is using MediaWIki API and Overpass API, but for the OSM
Wikipedia layer the data could be pre-calculated and synchronized
periodically in order not to overload the APIs.

In fact, I am using the OSM map mostly with Wikipedia markers. For
example, I was recently on a short holiday trip to Stockholm and
the first thing I do I look what Wikipedia articles exist for the
city

<http://ausleuchtung.ch/geo_wiki/?lat=59.324472209890146=18.0710506439209=16=en=wiki=10>
to select places to visit and to read about. So in my opinion,
such a Wikipedia layer would be kind of synergy, - the creation of
a whole that is greater than the simple sum of its parts.

Best regards,
Oleksiy


On 04.01.17 10:27, Jorge Gustavo Rocha wrote:

Hi Yurik,

Nice work.
I'm interested in make such validation a service, to identify and
fix any inconsistencies between OpenStreetMap and
Wikipedia/Wikidata.
I'll be working on that on the next days.

Regards,

J. Gustavo

Às 09:11 de 03-01-2017, Yuri Astrakhan escreveu:

I have been steadily cleaning up some (many) broken Wikipedia and
Wikidata tags, and would like to solicit some help :)

To my knowledge, there is no site where one could add a set of
OSM IDs
that need attention (something like a bug tracker lite, where
one could
come and randomly pick a few IDs to fix), so I made a few tables:

List of Wikipedia tags that do not resolve to Wikidata tags.
Most of the
time, the WP tag is incorrect, sometimes it was deleted, and
very rarely
there is no matching Wikidata item (needs to be created by hand).
* https://www.mediawiki.org/wiki/User:Yurik/OSM_NoWD
<https://www.mediawiki.org/wiki/User:Yurik/OSM_NoWD>

List of duplicate Wikidata tags:
* https://www.mediawiki.org/wiki/User:Yurik/OSM_duplicates2
<https://www.mediawiki.org/wiki/User:Yurik/OSM_duplicates2>

Thanks!


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Re: [OSM-talk] Wikipedia/Wikidata admins cleanup

[Oleksiy Muzalyev]

Canada is the second largest country in the world by area. I understand 
only too well how inaccessible and unexplored a land with a harsh cold 
climate could be as I was born and grew up in a remote part of Siberia.


However, the situation changes nowadays. There is now a lot of 
innovation in clothing, footwear, and especially in ultra-light sleeping 
mats for trekking, sleeping bags, navigation devices, tents, and even 
light aluminum tent spikes for snow. This modern technology allows 
tourists to access cold areas more or less safely.


For example, the documentary film in English "Surviving in the Siberian 
Wilderness for 70 Years" https://youtu.be/tt2AYafET68 was seen on 
Youtube more than two and a half million times. It is a film about a 
religious family who lived in a forest in a complete isolation for 
several decades. And a lot of people hike to this compound now. I read 
recently that even a group of school pupils hiked several hundred 
kilometers to visit it.


I mapped several lakes around this compound 
http://www.openstreetmap.org/node/3645095042 via satellite imagery. A 
lake could be very useful, as it takes much more fuel to melt snow than 
ice. Besides, the water from snow does not provide minerals to a human 
body. It could be possible sometimes to cut through ice till the water 
of a lake.


Unfortunately the long footpath leading to this compound is not visible 
on satellite photos. If this footpath was mapped it would be a major 
security feature for many hikers, and it could also save some expenses 
to the rescue service. But it is possible to map it only via a GPS 
track, it means an expedition of preferably 7 or more people would have 
to go along it. Seven or more because it is a bear land, and no attacks 
being recorded against parties of more than seven people.


I think the remote areas should be mapped carefully, as it is not 
possible to ask for directions there. And tourists, sometimes young 
students, do venture there more and more. The trekking equipment for it 
is readily available via Internet shopping.


With best regards,
Oleksiy



On 06.01.17 22:22, john whelan wrote:

...
We have more lakes in Canada than exist in the whole of Europe.  Most 
are fairly inaccessible and there is little economic incentive to map 
each one to a high degree of accuracy. In many provinces they simply 
haven't spent the cash to map them accurately and recently.  Some data 
is forty or more years old.  So digging into the source of the CANVEC 
data can help to determine how accurate it is.


We don't have many mappers per square km in Canada and mapping with a 
GPS trace doesn't happen at minus 30 for some reason. If I go back in 
time to before I imported the CANVEC road data into Ottawa basically 
Ottawa OpenStreetMap was incomplete, inaccurate, over 140 reads had 
the wrong name when I compared them to the City of Ottawa map. The 
City of Ottawa map wasn't license to copy but I could at least compare 
the two.  Locally some imports had been done but anywhere an existing 
road was in the map an area round the existing road was not imported. 
Fine except that roads were not joined up.  You couldn't find a route 
between two streets in the city.


...


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Re: [OSM-talk] Public GPS Traces

[Oleksiy Muzalyev]

On 07.01.17 10:42, Paul Johnson wrote:
On Fri, Jan 6, 2017 at 2:25 PM, Oleksiy Muzalyev 
<oleksiy.muzal...@bluewin.ch <mailto:oleksiy.muzal...@bluewin.ch>> wrote:


I wish it were written in the Map Key. Something like this:

The color of the GPS tracks :
eastbound movement - red,
westbound - cyan,
northbound - yellow,
southbound - violet.

It is a very interesting feature, I mean the new GPS tracks layer,
especially for hiking in the wilderness. One can see were people
actually walked, how often, and in what direction. I looked up
colors in the blog post, and I forgot as expected in fifteen
minutes which color means what direction. If it were in the Map
Key it would be more convenient.


Make it a color wheel if you do this...


Ir is a very good idea. Even a small icon in the form of a color wheel 
(perhaps also with E, W, N, S letters) would suffice.


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Re: [OSM-talk] Beware Pokemon users

[Oleksiy Muzalyev]

It is a good news that new users got involved. But they should be made 
aware that the OSM is a part of an infrastructure of the whole 
communities. For example, the Public Transport of the city of Stockholm, 
Sweden, is based on the OSM map: http://sl.se/en/ . Delivery services, 
supplying people with limited mobility, police departments, trying to 
maintain an order on vast territories, etc. do use the OSM map, 
sometimes just because there is no alternative.


So editing the OSM map shall not be take too lightly, the new users 
should al least have a look at the corresponding wiki pages or see 
tutorial videos on youtube how to do it right; or even better - attend 
training workshops at an OSM conference.


Best regards,
Oleksiy

On 31.12.16 02:41, Toby Murray wrote:

... it turned out to not
be intentional vandalism, just lack of knowledge.

I do think the bad edits are slowing down though and overall we did
gain some good new users. There are a fair number of people who first
learned about OSM through these posts and there are several posts
about people seeing empty maps of their cities and getting the urge to
fill them in, regardless of Pokemon activity!

Toby

On Sun, Dec 25, 2016 at 11:17 AM, Toby Murray  wrote:

There was a video uploaded to YouTube a couple of days ago that claims to
show some possible evidence that Pokemon Go uses data from OSM to determine
good spawn locations for Pokemon. There are also several threads on reddit
under /r/TheSilphRoad that have similar claims. It is amusing to see their
speculation and methods of testing their "evidence" which include adding a
footway to OSM and then going out and playing Pokemon Go a couple hours
later so see if it affected anything.

Anyway, the theory being proposed is that highway=footway features in OSM
lead to increased Pokemon spawn activity. Also, nests are supposedly located
inside of recreation type landuse areas (golf course, park, play ground,
etc) This has led to some players attempting to influence the game mechanics
by, for example, adding a bunch of footways around their house. While that
is a relatively benign change, some others have taken to retagging paths,
cycleways and even residential roads to highway=footway.

I have been watching any changesets that come in with the word "pokemon" in
the changeset comments and have reverted a bunch of them. However I am
worried about users who may not be using changeset comments so I thought I
would at least let the wider community know that this is happening and if
you see any odd reclassification of features to highway=footway, this is
probably why. I have also seen some legit and useful edits so it isn't all
bad.

Some places where these discussions are happening:

https://www.youtube.com/watch?v=fiJ000T8GbE
https://www.reddit.com/r/TheSilphRoad/comments/5jfnrm/how_to_find_the_new_rural_spawn_points/
https://www.reddit.com/r/TheSilphRoad/comments/50ni6g/osm_data_spawn_points_relation_confirmed/
https://www.reddit.com/r/TheSilphRoad/comments/54sy36/osm_query_to_identify_possible_nests/
https://www.reddit.com/r/TheSilphRoad/comments/5jw4ep/new_spawn_points_in_my_area_align_with_osm/

I would call their evidence circumstantial at best.

Toby

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Re: [OSM-talk] Wikipedia/Wikidata admins cleanup

[Oleksiy Muzalyev]

On 04.01.2017 19:52, Christoph Hormann wrote:


It is not the check that needs to be manual, it is the edit.

In other words: finding errors can often be automatized to a high degree
with good reliability - just look at the OSM Inspector coastline and
area views 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.

I agree 100% that a manual approach with local knowledge is the right 
way to go about this.



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Re: [OSM-talk] Wikipedia/Wikidata admins cleanup

[Oleksiy Muzalyev]

On 04.01.2017 18:05, Christoph Hormann wrote:


Well - in OSM use of and reliance on this expensive resource is the core
of the whole project and we use automated edits only when they are
deemed desirable by the expensive humans on a per case basis.

I agree with this idea completely. At the same time it is so easy to 
check if a Wikipedia page actually exists programmatically [1] while a 
mapper ads a wikipedia=* tag. Certainly, it a bit more complicated in 
the JOSM as it may be used offline. But in any case, why to check it 
manually? It is a kind of a routine task which could be done by a machine.


Another issue is that a popular mobile app Maps.me does show Wikipedia 
link all right, but does not show Wikidata link at all even when it was 
added for the object. Wikidata article is more resilient than a 
Wikipedia article, which could be renamed, deleted due to a lack of 
notability or sources, etc.


I can check in Maps.me if a Wikipedia article tag is OK, but wikidata 
entry is not visible to me for some reason while I am already near an 
object with a smartphone.


[1]

http://stackoverflow.com/questions/11916429/check-if-url-is-exist-or-not

http://stackoverflow.com/questions/2280394/how-can-i-check-if-a-url-exists-via-php

Best regards,

Oleksiy




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Re: [OSM-talk] Wikipedia/Wikidata admins cleanup

[Oleksiy Muzalyev]

Certainly a tool to check and correct obviously broken or duplicate 
wikipedia=*, wikimedia_commons=*, wikidata=* links from the OSM map 
would be very useful.


However, I've met inconsistencies which could be noticed only by a 
knowledgeable human on the ground. For example, this coordinates 
correction 
 
for the chapel Chapelle Notre-Dame-des-Voirons de Boëge 
 
. Before this correction it had wrong coordinates placing it erroneously 
on absolutely another mountain. I could correct it reliably only after 
actually visiting this chapel for making some photos for its article.


The comprehensive solution would be to have a dedicated Wikipedia layer 
on the OpenStreetMap. Now we have Standard, Cycle, Transport, and 
Humanitarian layers. Why not Wikipedia layer similar to this 
 
, so that a user can select Wikipedia language and see the geo-markers 
corresponding to Wikipedia articles on the map. Or see clickable 
geo-markers corresponding to wikipedia=*, wikimedia_commons=*, 
wikidata=* tags.


This tool is using MediaWIki API and Overpass API, but for the OSM 
Wikipedia layer the data could be pre-calculated and synchronized 
periodically in order not to overload the APIs.


In fact, I am using the OSM map mostly with Wikipedia markers. For 
example, I was recently on a short holiday trip to Stockholm and the 
first thing I do I look what Wikipedia articles exist for the city 
 
to select places to visit and to read about. So in my opinion, such a 
Wikipedia layer would be kind of synergy, - the creation of a whole that 
is greater than the simple sum of its parts.


Best regards,
Oleksiy

On 04.01.17 10:27, Jorge Gustavo Rocha wrote:

Hi Yurik,

Nice work.
I'm interested in make such validation a service, to identify and fix 
any inconsistencies between OpenStreetMap and Wikipedia/Wikidata.

I'll be working on that on the next days.

Regards,

J. Gustavo

Às 09:11 de 03-01-2017, Yuri Astrakhan escreveu:

I have been steadily cleaning up some (many) broken Wikipedia and
Wikidata tags, and would like to solicit some help :)

To my knowledge, there is no site where one could add a set of OSM IDs
that need attention (something like a bug tracker lite, where one could
come and randomly pick a few IDs to fix), so I made a few tables:

List of Wikipedia tags that do not resolve to Wikidata tags. Most of the
time, the WP tag is incorrect, sometimes it was deleted, and very rarely
there is no matching Wikidata item (needs to be created by hand).
* https://www.mediawiki.org/wiki/User:Yurik/OSM_NoWD

List of duplicate Wikidata tags:
* https://www.mediawiki.org/wiki/User:Yurik/OSM_duplicates2

Thanks!


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Re: [OSM-talk] Wikipedia/Wikidata admins cleanup

[Oleksiy Muzalyev]

On 04.01.2017 20:04, Yves wrote:
This all conversation confort my (un-educated, I confess) idea of the 
uselessness of cross referencing the Wikipedia ecosystem with OSM with 
OSM tags.


Automated addition of wikidata id to OSM objects seems worthy, so why 
not doing it on the fly instead of writing it to the database? Next 
year maybe?


Also, I always wondered what it supposed to happen when an OSM 
contributor who like me does not give a damn of an external ID when 
he/she edits an OSM element?
Yves 


Sometimes a Wikipedia article does not have coordinates. For example the 
article about the STMicroelectronics SA 
 as it is a big 
company with many locations. However, we can add to its headquarters 
building a clickable Wikidata tag and an image tag:

http://www.openstreetmap.org/way/109964315

There other similar case, - no wikipedia article, no wikidata page, but 
there is a Wikimedia commons category; for example La Givrine train station:

http://www.openstreetmap.org/node/249463533

Unfortunately, wikimedia_commons is not yet clickable on the OSM map. 
Here is a clickable link to this category: 
https://commons.wikimedia.org/wiki/Category:La_Givrine_train_station


If you are to travel to/from this train station in mountains, you can 
learn a lot of practical useful information from the Wikimedia category 
images: that there is a heated waiting hall at the station, a ticketing 
machine, etc.


Oleksiy



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Re: [OSM-talk] Building Detection using Machine Learning

[Oleksiy Muzalyev]

It reminds me how in 60s and 70s it was widely believed that the 
computers will be doing text translation instead of human translators. 
We realize now, fifty years later, that is actually a hard problem. And 
it is still impossible to translate a novel or a poem by a computer 
program alone.


I would be very surprised if digitizing landuse from satellite images 
could be done by a robot. Even an automatic extraction of an image from 
a background in the product photography does not work reliably. And it 
is an easier task as in product photography it is possible to control 
light, background color, etc. In fact it is mostly done manually even 
though there are numerous programs and Photoshop plugins for it, which 
kind of work in some circumstances.


New products for product photography & e-commerce will be appearing 
endlessly. But we do not have that much landuse. The Earth surface will 
not be growing, and there will be no other habitable planets in the near 
future. In my opinion, a human, especially who knows the land, should be 
participating in mapping landuse.


But certainly, if a breakthrough happens in a self-learning neural 
network technology then the situation will change, and not only in 
mapping and translation; it will be a new brave world.


What I would like to have however now is the better tools for landuse & 
natural. For example, I would like to be able to hide in the JOSM 
existing already power-lines, roads, paths, etc. in order to map 
farlmland, woods, grassland, etc. Perhaps, it is possible in JOSM, but I 
could not find it yet.


Best regards,
Oleksiy



On 24.12.16 18:21, Christian Quest wrote:

One example: OpenSolarMap...

We first start by crowdsourcing building roof orientations using a 
very simple webapp (no need to register, open to anybody).
When enough contribution match they are considered OK (at least 3 more 
than all other contributions).


Then, these contributions were used to train a neural network.

Then the nueral network was used to classify other roofs... and the 
result has been put back as robot contribution to the crowdsourcing 
webapp counting for 1 or 2 contributions depending on the level of 
confidence (raw data is also available for download).


In all cases, there is always at least one human contribution, before 
putting anything back to OSM.

It is also interesting to compare when human and robot do not agree ;)

Links...
http://opensolarmap.org/
https://github.com/opensolarmap

Next step is to use the same technique on other kind of challenges, like:
- landuse boundaries (to speedup/simplify Corine Land cover import 
improvements)
- check road alignment with aerial imagery on "old" OSM traced 
contributions

etc...

The potential of deep learning mixed with human contributions can give 
very good things if done properly.


--
Christian Quest - OpenStreetMap France


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Re: [OSM-talk] Building Detection using Machine Learning

[Oleksiy Muzalyev]

On 25.12.16 00:58, Martin Koppenhoefer wrote:


sent from a phone


On 24 Dec 2016, at 19:57, Oleksiy Muzalyev <oleksiy.muzal...@bluewin.ch> wrote:

example, I would like to be able to hide in the JOSM existing already 
power-lines, roads, paths, etc. in order to map farlmland, woods, grassland, 
etc. Perhaps, it is possible in JOSM, but I could not find it yet.


if you hold ctrl while clicking (when drawing a new way), josm won't connect to existing 
ways like powerlines or roads. You can also hide specific features, it's called 
"filter"


cheers,
Martin


Filter is exactly what I wanted. I can select now power=line, 
power=tower, boundary=administrative, etc., and then hide them. And 
consequently I can work on landuse & natural without all these ways 
interfering. Thank you.


Best regards,

Oleksiy


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Re: [OSM-talk] Responding to vandalism

[Oleksiy Muzalyev]

On 17.03.17 20:22, Jakob Mühldorfer wrote:


Google tried to have restrictions on new editors
The map got vandalised anyways and they shut down public editing
So basically what others said, not in favour of any kind of restrictions.

I also think it is impossible to stop vandalism by a single technical 
solution, rather it would be a running battle for years to come. Still 
we are to watch it carefully and to try to understand in each case the 
motivation of a vandal, what target was selected and why, what was the 
pattern of an occurrence, from what region it was initiated, when it was 
committed. And on the basis of this understanding to use tools to 
automate the response. Human cunning can be countered only by human 
cleverness.


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Re: [OSM-talk] Coordinates in OSM. Really annoying

[Oleksiy Muzalyev]

On 21.04.17 17:28, Dave F wrote:

Hi

This is one of my OSM bugbears: http://osm.duschmarke.de/bbox.html

Is there /really/ any need for *six* coordinate formats? It's hard 
enough to learn a new process without basics like this tripping you 
up. Is there any reason why the developers of these programs can't 
talk to each other & simplify the situation?


Cheers
DaveF.

---
This email has been checked for viruses by Avast antivirus software.
https://www.avast.com/antivirus


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Hi,

But such a situation is the same everywhere. Take Plug & socket types 
http://www.worldstandards.eu/electricity/plugs-and-sockets/


These plugs types (and adapters) are the cause of numerous problems for 
travelers (like searching in a town for an adapter at night, sigh...). 
However, it seems indeed people can't talk to each other.


Cheers,

O.


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Re: [OSM-talk] Tagging and rendering of television masts

[Oleksiy Muzalyev]

On 22.04.17 00:56, Andy Mabbett wrote:

the Sutton Coldfield (England) TV mast:

https://en.wikipedia.org/wiki/Sutton_Coldfield_transmitting_station

at:


http://www.opensntreetmap.org/?mlat=37.08321=-8.13643#map=17/37.0832/-8.1364

is a significant landmark, visible for several miles, and illuminated
at night. Yet it does not render. Is it missing a tag, or do we need
to tweak the rendering rules?

I became aware of this today, when I added a similar mast, at
Vilamoura (Portugal):


http://www.openstreetmap.org/?mlat=37.0830=-8.1364#map=17/37.0830/-8.1364

For that, I included three support wires, and three anchor points -
how should those be tagged?


Dear Andy,

It is possible to map it as: "man_made=mast", "height=190", etc., then 
it will be rendered. See an example:


https://www.openstreetmap.org/way/409948785#map=17/46.45003/30.74254

A "mast" is in the JOSM list for "man_made" already.

The issue that "man_made=tower" is not rendered on the OSM map had been 
raised already on the mailing lists. In my opinion, it is a significant 
issue, in fact a disaster waiting to happen. There will be soon air-born 
taxi in Dubai, Singapore, etc., and the extremely high communication 
towers, the so-called aviation traffic obstacles 
https://en.wikipedia.org/wiki/Air_traffic_obstacle , are not rendered on 
the OSM map at all.


On other maps say Maps.me map "man_made"=tower is rendered all right.

One could also add a "wikidata" tag to a mast or a tower. Almost all of 
these high structures have got a Wikipedia article.


Best regards,

Oleksiy




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Re: [OSM-talk] Tagging and rendering of television masts

[Oleksiy Muzalyev]

On 22.04.17 21:17, Martin Koppenhoefer wrote:


sent from a phone


On 22. Apr 2017, at 08:33, Oleksiy Muzalyev <oleksiy.muzal...@bluewin.ch> wrote:

In my opinion, it is a significant issue, in fact a disaster waiting to happen. 
There will be soon air-born taxi in Dubai, Singapore, etc., and the extremely 
high communication towers, the so-called aviation traffic obstacles 
https://en.wikipedia.org/wiki/Air_traffic_obstacle , are not rendered on the 
OSM map at all.


which disaster do you expect to happen? Someone flying around in dense fog and 
using no other information than osm-carto?

I agree it is a shortcoming that towers are not rendered on osm-carto, but we 
should keep calm and not exaggerate its significance.

cheers,
Martin


Dear Martin,

An air traffic obstacle, a tall structure which can endanger air 
traffic, has to be marked with red and white colored markings and with 
aircraft warning lights at night. If you look at these communication 
towers this is how they are actually painted.


An airman say a pilot of a medicopter may well study terrain carefully 
on a map before a flight. In fact it is not a flight as a bird flies, 
but rather a jump as there is a time limit, an endurance. That is why a 
planning is necessary.


Unfortunately on the OSM map he/she will not see any icon. At the same 
time the air-traffic in urban areas will continue to increase. It is 
future of urban mobility [1].


If a helicopter, an RPAS, a plane touches a mast or a cable it would 
crash; a mast may collapse. For individuals involved it could certainly 
be a disaster.


People do realize it. Andy not only mapped the communication tower (or 
mast) but plans to map its cables. It is a good idea too. It will take 
time to map all these towers (masts), measure and calculate their 
height, etc.


Unfortunately the confusion between "man_made=tower" and "man_made=mast" 
continues. One is rendered and one is not, and that adds to confusion.


[1] 
http://www.airbusgroup.com/int/en/news-media/corporate-magazine/Forum-88/My-Kind-Of-Flyover.html


With best regards,

Oleksiy


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Re: [OSM-talk] Tagging and rendering of television masts

[Oleksiy Muzalyev]

All what is written at http://wiki.openstreetmap.org/wiki/Aviation is 
fair enough, especially the main principle: "We map anything that is 
observable on the ground.", but not an airspace. A communication tower, 
or a mast is well observable on the ground.


The DJI changed the map on its RPAS control stations from Google to Here 
Map. And on Here Map not much is shown. So usually one looks at several 
maps while planning a flight, especially in an urban area.


Best regards,
Oleksiy

On 23.04.17 10:47, Andreas Vilén wrote:

Please read http://wiki.openstreetmap.org/wiki/Aviation

Pilots do not use the osm base map...

/Andreas

Skickat från min iPhone

23 apr. 2017 kl. 07:50 skrev Oleksiy Muzalyev 
<oleksiy.muzal...@bluewin.ch <mailto:oleksiy.muzal...@bluewin.ch>>:



On 22.04.17 21:17, Martin Koppenhoefer wrote:


sent from a phone

On 22. Apr 2017, at 08:33, Oleksiy Muzalyev 
<oleksiy.muzal...@bluewin.ch <mailto:oleksiy.muzal...@bluewin.ch>> 
wrote:


In my opinion, it is a significant issue, in fact a disaster 
waiting to happen. There will be soon air-born taxi in Dubai, 
Singapore, etc., and the extremely high communication towers, the 
so-called aviation traffic obstacles 
https://en.wikipedia.org/wiki/Air_traffic_obstacle , are not 
rendered on the OSM map at all.


which disaster do you expect to happen? Someone flying around in 
dense fog and using no other information than osm-carto?


I agree it is a shortcoming that towers are not rendered on 
osm-carto, but we should keep calm and not exaggerate its significance.


cheers,
Martin


Dear Martin,

An air traffic obstacle, a tall structure which can endanger air 
traffic, has to be marked with red and white colored markings and 
with aircraft warning lights at night. If you look at these 
communication towers this is how they are actually painted.


An airman say a pilot of a medicopter may well study terrain 
carefully on a map before a flight. In fact it is not a flight as a 
bird flies, but rather a jump as there is a time limit, an endurance. 
That is why a planning is necessary.


Unfortunately on the OSM map he/she will not see any icon. At the 
same time the air-traffic in urban areas will continue to increase. 
It is future of urban mobility [1].


If a helicopter, an RPAS, a plane touches a mast or a cable it would 
crash; a mast may collapse. For individuals involved it could 
certainly be a disaster.


People do realize it. Andy not only mapped the communication tower 
(or mast) but plans to map its cables. It is a good idea too. It will 
take time to map all these towers (masts), measure and calculate 
their height, etc.


Unfortunately the confusion between "man_made=tower" and 
"man_made=mast" continues. One is rendered and one is not, and that 
adds to confusion.


[1] 
http://www.airbusgroup.com/int/en/news-media/corporate-magazine/Forum-88/My-Kind-Of-Flyover.html


With best regards,

Oleksiy


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Re: [OSM-talk] Tagging and rendering of television masts

[Oleksiy Muzalyev]

Both "man_made=tower;tower:type=communications" and "man_made=mast" are 
being used interchangeably. One of them is rendered with a good icon and 
another not rendered at all on the OSM map.
I was not suggesting to re-tag this particular communication mast per 
se, but to attract an attention to this phenomenon.


Best regards,
Oleksiy

On 23.04.17 11:41, Andy Townsend wrote:

On 22/04/2017 07:33, Oleksiy Muzalyev wrote:


It is possible to map it as: "man_made=mast", "height=190", etc., 
then it will be rendered.


In the general case, please don't suggest that people mistag things 
just so that one particular renderer (one that probably isn't used by 
the majority of people that consume OSM data*) renders it.


However in this particular case I can't claim to be familiar enough 
with it to say whether 
https://wiki.openstreetmap.org/wiki/Tag:man_made%3Dtower or 
https://wiki.openstreetmap.org/wiki/Tag:man_made%3Dmast is more 
appropropriate, or indeed whether those wiki pages reflect OSM usage.


Best Regards,

Andy

* I'm guessing the "most views" accolade goes to either Mapbox Streets 
or MAPS.ME these days.


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Re: [OSM-talk] Mystery structure on a South China Sea reef

[Oleksiy Muzalyev]

Yes, a good point. I wanted to say, that it is technically doable.

Certainly, for organizing such an expedition it is necessary to take 
into account meteorology, legal aspects, flight planning, etc.


Best regards,
O.

On 31.07.17 15:40, James wrote:

In before osm community causes international dispute

On Jul 31, 2017 8:37 AM, "Oleksiy Muzalyev" 
<oleksiy.muzal...@bluewin.ch <mailto:oleksiy.muzal...@bluewin.ch>> wrote:


Hi Andy,

Actually it is doable. The TAM-5, 11-pound RC plane, flew 1,888
miles from Canada to Ireland over the Atlantic ocean in 38 hours
still in 2003 [1].

The distance from Puerto Princesa City, Philippines, to this reef
is only 265 miles. And the technology is much better now. A RC
plane of this small size is invisible to radars.

It would be about ten hours flight. Nowadays electric RC gliders
can stay in the air times longer [2]. Certainly, such a flight is
possible only with a good weather forecast for the whole route.

[1]
https://www.sciencenewsforstudents.org/article/model-plane-flies-atlantic
<https://www.sciencenewsforstudents.org/article/model-plane-flies-atlantic>
[2] https://youtu.be/8m4_NpTQn0E

Best regards.
Oleksiy

On 31.07.17 14:25, Andy Mabbett wrote:

...
What is this place on Google Maps?
https://goo.gl/maps/qF8YXxr86zo <https://goo.gl/maps/qF8YXxr86zo>
  ...
Anyone fancy doing a survey? ;-)

...



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Re: [OSM-talk] Mystery structure on a South China Sea reef

[Oleksiy Muzalyev]

Come to think about it looks indeed as a small resort. There is no 
helipad, no pier to accept heavier armored boats.


This case shows a limitation of satellite imagery. It is hard to tell by 
looking at the roofs from above what it is. But if in addition to the 
satellite imagery we had an oblique aerial image like this one for example:

https://upload.wikimedia.org/wikipedia/commons/1/15/Beach-Chayka-aerial-2.jpg
it would be a much easier task. One such aerial photo would be enough 
for the whole reef.


I did not have time to go along the streets to film "street view" 
photos, but it took me about couple of minutes to shoot this aerial photo.


Best regards,
Oleksiy

On 01.08.17 21:37, Sérgio V. wrote:


It's also there with Digital Globe Premium at:
http://www.openstreetmap.org/edit#map=18/8.35838/115.23794
I bet (a beer) it's a single family's private resort:
What you see is a small bungalow with a wooden deck, a small boat 5m 
to Northeast, and two big beach umbrellas (one for the couple, the 
other for the children), like these:

The blue one:

http://www.ebay.co.uk/itm/Blue-Jumbrella-Giant-Umbrella-Parasol-5x5M-Crank-Handle-Commercial-Quality/272772644331

And the white one:

https://www.aliexpress.com/item/7-meter-Deluxe-big-patio-umbrellas/1870364994.html

- - - - - - - - - - - - - - - -

Sérgio - http://www.openstreetmap.org/user/smaprs



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