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01/03/2022-07/03/2022

Statistics on Project of the Month (CH) [¹] © | map data © OpenStreetMap contributors

Mapping campaigns

[1] Stefan Keller illustrated the Swiss project of the month > with sophisticated graphics.
Raphaelmirc reported > on the results of the Mapathon in City Xexéu, Brazil, and refers > to the website of UMBRAOSM, the organisation that arranges these Mapathons in Brazil.

Enock Seth drew mappers’ attention to the updated Maxar Premium Imagery around Kumasi, Ghana on the Talk-gh mailing list and recommended how to work with the updated imagery.
On the German OSM forum, mappers discussed > the so-called ‘security vandalism’ in Poland and Ukraine. The term describes re-tagging or deleting military features. They concluded that it seems to be against the will of the community in Poland and such vandalism in Poland can and should be reverted without involving DWG.
Dakon has drafted a proposal for railway:signal:height=* to map the height of all signals at a node that do not have a dedicated :height=* subtag.

Amanda McCann issued her regular report covering her OSM activities for January 2022.
On Saturday 5 March the local chapter of YouthMappers in Guatemala held a basic OpenStreetMap workshop with the support of HOT and several universities in Guatemala.
OpenStreetMap Belgium’s Mapper of the Month for March is Søren Johannessen from Denmark.
On Saturday 26 February several people from Latin America participated in a ‘note-a-thon’ (we reported earlier). User Mapeadora gave > her impressions of the event.

In commemoration of International Women’s Day, GeoChicas and YouthMappers held a virtual workshop on Thursday 3 March to provide training in technical tools to incorporate a city into the ‘Women’s Streets’ project.
On Tuesday 22 March the Trufi Association and the Institute for Transportation and Development (ITDP) will present a webinar on ‘Why Open Data Matters for Cycling’.

In the eleventh part of her Derrynaflan Trail series, Anne-Karoline Distel showed how to 3D map a more complex building than a simple house: the Crohane Church.
Anne-Karoline Distel has also posted episode 12 of the Derrynaflan Trail on Youtube, showing how 3D models can be created from OSM data.

Michael Montani, a GIS consultant for the UN Department of Operational Support, explained, on the HOT discussion list, how the UNSOS peacekeepers in Somalia are using OSM data to support their intervention. He also mentioned their concern about quality problems from some mapping projects located on the HOT Tasking Manager in areas with security problems that UNSOS monitors.Alessandro, a UNMapper, already expressed his frustration about these quality problems (we reported earlier) two months ago. He continued in a new blog post, which triggered some comments suggesting that eventual intervention from the OSMF Data working group may be required.
Bo Percival introduced the new members of the HOT tech team.

yuiseki has developed an online tool that visualises the editor of each building object on a map with user icons. The source code is available on GitHub.

… the various Geotools: ‘Reprojector’, ‘How Big’, ‘Gimme Geodata’ and ‘Radius’ of Hans Hack?
… that LeafletJS, an open-source JavaScript library for interactive maps, also mobile-friendly, was born in Ukraine 11 years ago?
… openSenseMap, the map with open sensor data? The senseBox offers students and interested citizens an OSM platform to collect and publish measurement data.

The Register reported on the StreetComplete app being rejected from the Google Play Store due to it having a donation link.
Guillaume Rischard (OSMF Chair) created his own map of Kharkiv in half an hour to compare it with a publication in the NY Times. Result: ‘The New York Times did not use OpenStreetMap, but an inferior, probably commercial source. Otherwise their map would be better.’

In a Twitter thread, Mateusz Fafinski showed how cartographic choices in mapping the Russian invasion of Ukraine can influence our perceptions.
Dr. Jeffrey Lewis showed, on Twitter, how traffic information can be used to track military movements – hours before it was officially announced. Google reacted and deactivated the traffic layer for Ukraine.
Webcams on German motorways are currently offline. Some speculate that this is to limit open source intelligence (via Twitter ).
The UK Health and Safety Executive have created a database of fine-grained population estimates to assist in risk assessment; the National Population Database. A small sample of the database covering part of South Manchester is available online for interactive use. The types of data available (school enrolment, hospital beds, stadium capacity, etc.) may be of interest to OSM mappers.

Where	What	Online	When
Marburg	FOSSGIS 2022		2022-03-09 — 2022-03-12
Lyon	EPN des Rancy : Technique de cartographie et d’édition		2022-03-12
臺北市	OpenStreetMap x Wikidata Taipei #38		2022-03-14
San Jose	South Bay Map Night	✓	2022-03-16
	149.Treffen des OSM-Stammtisches Bonn		2022-03-15
Lüneburg	Lüneburger Mappertreffen (online)		2022-03-15
London	Geomob London		2022-03-16
Großarl	4. Virtueller OpenStreetMap Stammtisch Österreich		2022-03-16
City of Subiaco	Social Mapping Sunday: Shenton Park		2022-03-20
Habay-la-Neuve	Réunion des contributeurs OpenStreetMap, Habay-la-Neuve		2022-03-21
	OSMF Engineering Working Group meeting		2022-03-21
	Why Open Data Matters for Cycling: Visualizing a Cycling City		2022-03-22
Barcelona	Geomob Barcelona		2022-03-22
City of Nottingham	OSM East Midlands/Nottingham meetup (online)	✓	2022-03-22
Decatur County	OSM US Mappy Hour		2022-03-24
	[Online] OpenStreetMap Foundation board of Directors — public videomeeting		2022-03-24
IJmuiden	OSM Nederland bijeenkomst (online)	✓	2022-03-26
06060	Reunión Bimestral OSM-LatAm		2022-03-26
Perth	Social Mapping Online	✓	2022-03-27
Bremen	Bremer Mappertreffen (Online)	✓	2022-03-28
San Jose	South Bay Map Night	✓	2022-03-30
Ville de Bruxelles — Stad Brussel	Virtual OpenStreetMap Belgium meeting	✓	2022-03-29
Tucson	State of the Map US		2022-04-01 — 2022-04-03