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  "textContent": "04/06/2026-10/06/2026\n\n[1] Playground map ‘Spieli’ | © m_fuhrmann | map data © by OpenStreetMap Contributors.\n\n## Community\n\n  * Anne-Karoline Distel announced that a new video on mapping historic lifting stones is now available on YouTube. Historically, lifting stones were used to test the physical strength of men.\n  * The MapLibre May 2026 newsletter has been published, authored by Bart Louwers, Frank Elsinga, Harel Mazor, Ramya Ragupathy, and Stephanie May.\n  * HOT has published  an open course on seagrass mapping to support coastal conservation efforts. The initiative outlines how seagrass imagery will be collected using drones and later mapped through an OpenStreetMap-based technology stack, including iD.\n  * Rtnf tried the newly released OSRM Trip demo page to solve a simple Travelling Salesman Problem that he encountered daily while living in Bandung.\n  * Raquel Dezidério Souto described in her user diary what it was like to sponsor the CityMapper externship project and how she got to know the OSM Africa community whilst attending SotM Africa 2024.\n\n\n\n## Local chapter news\n\n  * Katja Hafernkorn reported ► that FOSSGIS participated in the exhibitors’ forum at KonGeoS Dessau 2026, providing information about Open Source GIS, OpenStreetMap, and the FOSSGIS association.\n  * FOSSGIS e.V. advertised ► a vacancy for a position focused on OpenStreetMap training and community work. The application deadline is 8 July 2026.\n\n\n\n## Events\n\n  * An additional uMap has been published for the State of the Map 2026 (Paris), providing detailed information on the locations of various facilities at the event venue.The interactive map also includes public transportation guidance to the Musée des Arts et Métiers, which will host the conference’s Saturday evening social event. In addition, attendees can use the map to navigate between the SotM venue and Disneyland Paris, including access to the TGV station at Marne-la-Vallée.\n  * You can find information about the State of the Map 2026 on the uMap provided by the event’s organisers.There is also a call  for sponsorship on LinkedIn and on the event’s promotional document.\n  * Andres Gomez Casanova reported that the State of the Map Colombia 2026  will take place at the Faculty of Economic Sciences of the National University of Colombia in Bogotá from 3 and 4 July 2026.\n\n\n\n## OSM research\n\n  * HeiGIT presented new research on training deep learning for land-use and land-cover mapping, with landscape metrics derived from OpenStreetMap, supporting more spatially consistent and interpretable GeoAI models.\n\n\n\n## Maps\n\n  * [1] With Spieli, m_fuhrmann has launched  a new, user-friendly web map for playgrounds. The project is based on a fork of the ‘Berlin Playground Map’ and is firmly committed to an open ecosystem. While the playground data comes directly from OpenStreetMap, images are integrated via Panoramax and reviews via Mangrove Reviews.Particularly noteworthy is the technical architecture: Spieli is designed as a federated network of independent data nodes, enabling decentralized hosting and high scalability.For parents, the site offers helpful filters (e.g., by flooring type or accessibility) as well as suggestions for nearby points of interest (such as ice cream shops ).\n\nMappers benefit from integrated data quality assessment and direct links to MapComplete, making it easy to improve the data.\n\nThe project is currently seeking active support: Anyone with resources to spare is invited to host their own data nodes (https://mfuhrmann.github.io/spieli/) (e.g., for additional federal states or abroad). Discussion is possible via Matrix (https://matrix.to/#/#spieli:matrix.org), and the source code is available on GitHub (https://github.com/mfuhrmann/spieli).\n\n  * Christoph Hormann continued an in-depth discussion on non-locality in tiled rule-based map rendering, building on an earlier article that helped renew interest in OSM-Carto development.\n\n\n\n## OSM in action\n\n  * Bayreuther Tagblatt used ► an OpenStreetMap-based map to visualise road closure areas related to the 10th ‘Mainauenlauf’ running event, scheduled to take place on Sunday 14 June 2026.\n  * Niederrhein Nachrichten used ► an OpenStreetMap-based map to highlight parking areas available for visitors attending the Kleve Children’s Festival, scheduled to be held at the Kleve Zoo on Sunday 14 June.\n  * FerryGoGo helps travellers explore ferry routes worldwide through interactive maps, local route guides and practical advice built around real journeys by sea. It uses OpenStreetMap and shows ferry routes, ports and connections across each country.\n  * Phystech Mission have used  an OpenStreetMap-based map to visualise the locations of technology companies and research institutes where graduates of the Moscow Institute of Physics and Technology are employed.\n  * Mediazona, BBC Russian Service, and a team of volunteers have created an interactive  map showing the geographic distribution of confirmed Russian military casualties in their war against Ukraine. The dataset is compiled from open sources, including obituaries, media reports, local government publications, and other publicly available records, while the basemap uses OpenFreeMap tiles generated from OpenStreetMap data. Click the map icon at the bottom of the page to open the map.\n\n\n\n## Licenses\n\n  * Editora IVIDES ► has published a Swahili translation [sw] of _Tout savoir sur la licence ODbL: la licence d’OpenStreetMap pour cartographier en commun_ , originally written in French by the Fédération des pros d’OSM, _Kila Kitu Unachohitaji Kujua Kuhusu Leseni ya ODbL_. The translation from English into Swahili was carried out by Hemed Lungo and Tatu Sultan Lungo (Tanzania) and edited by Raquel Deziderio Souto, who wrote about this on LinkedIn.\n\n\n\n## Software\n\n  * OsmAnd is celebrating its 16th birthday, and to mark the occasion they will be giving away a 1- or 3-month Pro subscription to anyone who answers the quiz correctly by Monday 15 June.\n  * Marina Petkova and François Lacombe have authored ► an article ‘Tracking and Promoting Contributions to OSM with Podoma’. Podoma is a programme for monitoring contributions to OSM, allowing users to measure and visualise activity related to a specific topic or area (we reported earlier).\n\n\n\n## Programming\n\n  * Timo Roest posted, on LinkedIn, about a custom PySpark data source to read .PBF files, seamlessly integrating osmium-powered OSM data ingestion into the Spark ecosystem. He explained how it works, and worked through a refresher on OSM data structures and why parsing them is a challenge.\n\n\n\n## Releases\n\n  * A new release of OSRM, version 26.6.1, is now available. Users can try out the updated demo ahead of its integration into the official front end.\n  * Alexis Lecanu has released Baba version 1.22.0, for contributing to Panoramax on Android, featuring several feature additions and bug fixes.\n\n\n\n## OSM in the media\n\n  * Danmarks Radio, Denmark’s national broadcaster, used an OpenStreetMap-based map to illustrate  a major railway disruption caused by a damaged overhead power line near Sorø. The disruption was believed to have occurred after a train’s pantograph became entangled ► in an overhead wire, forcing rail services between Ringsted and Slagelse to stop.\n\n\n\n## Other “geo” things\n\n  * Patty Heyda outlined the concept of ‘counter maps’, describing them as cartographic reinterpretations that challenge established assumptions and broaden dominant narratives to include previously excluded perspectives. As mapping becomes increasingly shaped by political interests, remapping practices are presented as a way to expose underlying systems of power to public view. The concept has also influenced activists, who use counter mapping to re-integrate previously omitted information into mainstream representations.\n  * YellowMap ►, a company based in Karlsruhe (Baden-Württemberg, Germany) is sponsoring ► MapLibre. According to the company, the decision to migrate to MapLibre was driven by a desire to modernise and add functionality. At the core of YellowMap’s product offering is SmartMaps, built to address the strict data privacy demands of the European B2B market.\n  * Jeremy Hsu, of _Ars Technica_ , highlighted a preprint paper by Todd Humphreys and colleagues investigating ‘continental-scale’ GPS interference across Europe.\n\n\n\n## Upcoming Events\n\nCountry | Where | Venue | What | When\n---|---|---|---|---\n| Oakland | Beauty Supply Arts | A Synesthete’s Atlas: Cartographic (& other) Improvisations  | 2026-06-13\n| Chennai Corporation | Koyambedu Market | Come map Koyambedu Market, Chennai with us on June 14th, 2026!  | 2026-06-14\n| København | Cafe Bevar’s | OSMmapperCPH  | 2026-06-14\n|  |  | Missing Maps London Mid-Month (Without Training) Advanced Mappers (Online) [eng]  | 2026-06-16\n| Budapest | Cartographia Kft. | OSM térképest – 2026 június 16  | 2026-06-16\n| Madrid | Online | Mappy Hour OSM España  | 2026-06-16\n| Lyon | Tubà | Réunion du groupe local de Lyon  | 2026-06-16\n| Bonn | Dotty’s | 201. OSM-Stammtisch Bonn  | 2026-06-16\n| Chemnitz | Kaffeesatz, Chemnitz | OSM-Stammtisch Chemnitz  | 2026-06-16\n| City of Edinburgh | Summerhall/The Royal Dick | OSM Edinburgh Social  | 2026-06-16\n| Strasbourg | Bar La Perestroïka | 1er Apéro du groupe local de Strasbourg  | 2026-06-16\n|  | Online | Lüneburger Mappertreffen (online)  | 2026-06-16\n|  | MJC de Vienne | Rencontre des contributeurs de Vienne (38)  | 2026-06-17\n| Stainach-Pürgg | Online | 21. Österreichischer OSM-Stammtisch (online)  | 2026-06-17\n|  |  | Mapping missing buildings in La Paz, Bolivia  | 2026-06-18\n| Essen | Verkehrs- und Umweltzentrum | Essen OSM-Treffen  | 2026-06-18\n|  |  | UN 2.0 Week 2026: UN Mappers Mappy Hour  | 2026-06-19\n| بلدية دمشق القديمة | Online | ReMapping Syria 2025: Humanitarian Mapping & Community Collaboration Webinar  | 2026-06-19\n|  |  | UN Mappers Mappy Hour: Progress and Highlights of the UN Maps Community Ambassador Pilot Initiative  | 2026-06-19\n| Torino |  | OpenStreetMap Mapping Party: Torino at a walking pace!  | 2026-06-19\n| Stuttgart | Technische Hochschule Stuttgart | Missing Maps Mapathon in Stuttgart  | 2026-06-19\n| Potsdam | Waschbar | Potsdamer Mappertreffen  | 2026-06-19\n| Catania | @Localhost | Modifichiamo Wiki e OSM insieme!  | 2026-06-19\n| Metz | l’Arob@se | Atelier du groupe local de Metz – Partez en voyage avec OpenStreetMap  | 2026-06-20\n|  | Mitarbeiterparkplatz antonius, Fulda | Sommermapping 2026  | 2026-06-21\n|  |  | Missing Maps : Mapathon en ligne – CartONG [fr]  | 2026-06-22\n| Stadtgebiet Bremen | Online und im Hackerspace Bremen | Bremer Mappertreffen  | 2026-06-22\n|  |  | Missing Maps Validathon  | 2026-06-23\n| Magdeburg | Netz39 e.V. , Leibnizstraße 32, 39104 Magdeburg | 2. OSM Stammtisch Magdeburg  | 2026-06-23\n| Berlin | Online | OSM-Verkehrswende #76  | 2026-06-23\n| Würzburg | FabLab Würzburg | Würzburger OSM-Treffen  | 2026-06-24\n| Freiburg im Breisgau | CCCFR, Adlerstr. 12a, Freiburg/Brsg. | OSM-Treffen Freiburg im Breisgau  | 2026-06-25\n| Dar es-Salaam |  | State of the Map Africa 2026  | 2026-06-26 – 2026-06-28\n|  | [online] |  Capacitação OSM 2026 – IVIDES DATA ® – Formulários Web com KoboToolbox  | 2026-06-26\n|  |  | OSMF Engineering Working Group meeting  | 2026-06-26\n| Düsseldorf | Online bei https://meet.jit.si/OSM-DUS-2026 | Düsseldorfer OpenStreetMap-Treffen (online)  | 2026-06-26\n|  | Biblioteca Alda Merini in via Edmondo De Amicis | Mapathon @ Casorate Sempione  | 2026-06-27\n|  |  | OSM Mumbai Mapping Party No.11 (Trans-Harbour Line – South)  | 2026-06-27\n| Hannover | Kuriosum | OSM-Stammtisch Hannover  | 2026-06-29\n| Heidelberg | DEZERNAT#16 | Rhein-Neckar OSM Treffen  | 2026-06-29\n\nNote:\nIf you like to see your event here, please put it into the OSM calendar. Only data which is there, will appear in weeklyOSM.\n\n_This weeklyOSM was  produced by MarcoR, MatthiasMatthias, PierZen, Raquel IVIDES DATA, Strubbl, Andrew Davidson, barefootstache, derFred, izen57, s8321414.\nWe welcome link suggestions for the next issue via this form and look forward to your contributions. _",
  "title": "weeklyOSM 829"
}