OpenStreetMap

SimonPoole has commented on the following diary entries

Post When Comment
Totalrevision der Verordnung über das eidgenössische Gebäude- und Wohnungsregister (VGWR) about 6 hours ago

Well "person in charge" is me, and there hasn't been any changes as of late. Originally we were planning on documenting in OA format, but given the potential changes (as mentioned) it doesn't seem to make sense until we have clarity wrt the GWR.

Totalrevision der Verordnung über das eidgenössische Gebäude- und Wohnungsregister (VGWR) about 24 hours ago

@MapMakinMeyers nope, essentially there is some cantonal and city data, but that is it at this point in time (OSM is currently likely the best open dataset), see http://sosm.ch/projects/swiss-open-addresses/

Mapping my home town : Gobichettipalayam 10 days ago

Great! You show the value of somebody surveying and mapping on the ground that knows the place.

BTW I noticed that this road nearby http://www.openstreetmap.org/way/63063074#map=16/11.4342/77.4187&layers=D has a rather weird "ref" value, that should probably be replaced with the proper value or removed.

My Area Needed a Lot of Work 10 days ago

N-S vs E-W is not that uncommon see for example https://www.openstreetmap.org/user/SimonPoole/diary/21804 and actually quite easy to explain: the TIGER surveyors at the time drew a paper map and couldn't remember which side was up..... (it should be pointed out that there are places where TIGER actually did have something to do with reality).

My Area Needed a Lot of Work 11 days ago

Ah yes TIGER as we all love it. DesertTrip +1 for fixing.

My Area Needed a Lot of Work 11 days ago

DesertTrip care to give us a pointer to the area in question (what you are describing sounds like original TIGER data though :-/)?

Indoors at Wherecamp Berlin 2016 18 days ago

Yes obviously the antenna seriously limits what you can do with a current smart phone, dual frequency reception however will still give you significant gains compared to single frequency (which is why it really would be the more interesting development).

Naturally I'm aware of RTKLib, vespucci has been able to receive data from an on device RTKLib instance since ages and I've used it myself with an external GPS device (USB) and a proper antenna.

Mapping Baltimore Buildings in 3D 26 days ago

I'm slightly surprised that you missed out on F4 http://demo.f4map.com/#lat=47.3868498&lon=8.5156157&zoom=19 and the original first 3d OSM based map http://maps.osm2world.org/ both which predate the offerings from MapBox and Mapzen by years.

Totalrevision der Verordnung über das eidgenössische Gebäude- und Wohnungsregister (VGWR) 29 days ago

Wir haben gute Beziehungen zu opendata.ch und im Prinzip dadurch auch Kontakte in Bern.

In diesem Fall ist das Parlament aber nicht involviert (da eine Verordnung und nicht ein Gesetz) und die Zeit vermutlich zu knapp um irgendwas via Politik noch zu bewirken.

Scaling multilingual name tags with Wikidata 29 days ago

The tiny weeny issue with this is naturally that there is the underlying assumption that wikidata is correct and that the data meets our quality criteria (as in actually being in use and not invented).

Updated Contributor Statistics about 2 months ago

To use your analogy from your last paragraph, our main "income" is the time and work our contributors donate. So yes, how much is contributed in that sense is clearly an important KPI and not something that should be glossed over. If we only had contributors using maps.me to edit, well then we wouldn't actually have a map.

I don't believe anybody is claiming that the edit count is a perfect metric, but it is clearly a lot better than counting changesets which was never particularly good and has now become completely useless. Separating out POI edits would be rather difficult and would require detailed analysis of every edit, and naturally agreement on what a POI actually is.

I haven't seen or heard of anybody taking the position that a maps.me user can't be part of the OSM community, but I would expect such a user to want to be part of OSM and not simply be declared as such for marketing reasons. In turn that requires actually knowing what OSM is and the lack of that is what has been widely criticized.

Updated Contributor Statistics about 2 months ago

The edits corresponds to the num_changes attribute in the changeset dump, which is roughly the number of objects deleted/modified/created. Creating a 4 node building from scratch should end up with a count of 5.

But that doesn't really matter, because even if you were to "normalize" the maps.me number by multiplying by 5 (given the popularity of doodling buildings) the total contribution share would still remain under 1%/month.

As to the edit numbers levelling out (which likely they are not, I suspect in reality it is simply not so rapid growth, all a question of how you scale the diagram :-)): in lots of places where OSM is really good we are clearly seeing saturation effects in that the low hanging fruit has been mapped and adding meta data of all kinds tends to be a slow process.

With 60-70'000'000 objects touched in one way or the other each month I don't really believe that even stagnation would be an issue (one day we will have something near complete coverage of all major features and then undoubtedly the number will start falling, would that be a problem?). .

Tagged and Untagged Nodes about 2 months ago

The redaction process created a large number of orphan untagged nodes, typical example of that happening would be when a road was redacted away, but the nodes not (because they where created / moved by somebody that accepted the CTs). As a result the nodes may still have residual geometry information (by how they are arranged) and should only be removed when that aspect has been checked.

The other source of such nodes are naturally (broken) imports, unluckily there is no penalty for not cleaning up after you have messed up.

Using OSM to improve government data 2 months ago

Oldie from the LWG on the topic https://docs.google.com/document/d/1PI83Tx48iQn7qFJgEUAG8U7lUb1jMzu8VS4F4famseQ/pub item 4

Nodes in Asian cities in the last 10 years 2 months ago

2011 is simple to explain: its the first year we had a good global imagery resource in the form of Bing. While we previously had access to the yahoo product, coverage and quality was rather limited.

Vespucci 0.9.8 Release 2 months ago

See https://github.com/MarcusWolschon/osmeditor4android/issues/232 The main problem is that I need to design, add and test UI elements for multiple dozens of possible OH elements and variants of them.

Let's Talk Local at the Global State of the Map 3 months ago

I nearly fully agree with Glassman: local chapters happen when there is a local community and maybe semi-formal local groups that have come to the conclusion that a formal organisation makes sense and could be sustainable.

There is no indication that doing things the other way around does anything for community development and I would oppose any attempts and any tendencies to require or even just to imply that higher degrees of formal organisation are necessary to participate in OSM. Besides driving away contributors that are specifically not looking for that in OSM, it just makes it too easy to install a Systemé Blatter.

Simon

A look into a sample of edits from MAPS.ME contributors from August 3 months ago

WRT the new contributors per month stats: it isn't so simple, given that there was both the launch of the maps.me editing capability and a larger HOT/MM event during the same period.

Down the road once things have stabilized a bit there will be some analysis, given that the peaks alone doesn't really say much.

@planemad well it is not different in that respect than numbers that MB published claiming everything is fine and dandy ......

"Welcome-to-new-mappers" program in the Netherlands comes to an end. 4 months ago

Marc I think it is a bit of a shame that you are stopping with sending the messages (as you know I've been running something similar since late 2014 for a similar number of new mappers per year in Switzerland).

While I'm the first one to agree that there is not much feedback or noticeable behavioural change, it does give the 10% or whatever that map a bit more a fighting chance of finding national/regional/local resources that otherwise would be very difficult to find (I have over the last two years put some effort in to improving the relevant parts of the general signup process, but as it is currently, it is difficult to provide region specific messages).

Off to message the six new mappers from today....

Simon

What's going in Egypt? 4 months ago

PS: naturally it could simply be that there is new imagery available, but the user in question would seem to be a very very prolific mapper in that case.