I was interested in finding walkable areas in a city I had never visited before. After using OpenClaw bot to summarize my JSON files, I thought I could do the same for OSM-based metrics.
I started by generating an OSM extract with a 5km radius from my hotel. I then extracted the geometry and tags for every way, park, building, and tourist attraction in this area. I normalized the raw data into a handful of generic classes like “Food & Café” and “Nature / Quiet.”
I then assigned each way and point of interest to an H3 hexagon. I calculated aggregate metrics for each hexagon, like the length of roads and the area taken up by parks and water. Then I simply fed the metrics for the hexagon to Ollama with Mistral Nemo, asking it to generate a short one-sentence vibe of a place based on the collected metrics and label it as positive, negative, or mixed.
To visualize the results, I created a KML file and imported it into Google My Maps. I had to iterate on the LLM prompts, as there are a lot of fields in the generated JSON and the LLM struggles to interpret what the numbers mean.
I also discovered a number of bugs in how I calculate features per H3 hexagon, but I eventually arrived at a reasonable overlay showing how walkable each area is. It’s not perfect — partly because OSM data is incomplete for the area I picked, and partly because I need to make my prompts more specific.
The recommendations are generic, but they add an extra dimension to the map. I think this is really exciting because you can create any perspective you like on OSM data with your own overlays for driving, finding a house, or finding a place to eat.
I started by generating an OSM extract with a 5km radius from my hotel. I then extracted the geometry and tags for every way, park, building, and tourist attraction in this area. I normalized the raw data into a handful of generic classes like “Food & Café” and “Nature / Quiet.”
I then assigned each way and point of interest to an H3 hexagon. I calculated aggregate metrics for each hexagon, like the length of roads and the area taken up by parks and water. Then I simply fed the metrics for the hexagon to Ollama with Mistral Nemo, asking it to generate a short one-sentence vibe of a place based on the collected metrics and label it as positive, negative, or mixed.
To visualize the results, I created a KML file and imported it into Google My Maps. I had to iterate on the LLM prompts, as there are a lot of fields in the generated JSON and the LLM struggles to interpret what the numbers mean.
I also discovered a number of bugs in how I calculate features per H3 hexagon, but I eventually arrived at a reasonable overlay showing how walkable each area is. It’s not perfect — partly because OSM data is incomplete for the area I picked, and partly because I need to make my prompts more specific.
The recommendations are generic, but they add an extra dimension to the map. I think this is really exciting because you can create any perspective you like on OSM data with your own overlays for driving, finding a house, or finding a place to eat.
Wayfaring – An eclectic mix of poetry, stories and musings
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My Beautiful Laundrette
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Hallo allerseits,
ich bin dabei, in Südfrankreich in einem Waldgebiet neue Wege zu kartieren. Die Wegpunkte habe ich mir als GPS- bzw. UTM31-Koordinaten notiert. Aber um sie auf der OSM-Karte an der richtigen Stelle einzutragen, bräuchte ich eine Karte mit Gitternetzlinien (am besten im Abstand von ca. 10-100m). Wie geht das? Danke! Martin
ich bin dabei, in Südfrankreich in einem Waldgebiet neue Wege zu kartieren. Die Wegpunkte habe ich mir als GPS- bzw. UTM31-Koordinaten notiert. Aber um sie auf der OSM-Karte an der richtigen Stelle einzutragen, bräuchte ich eine Karte mit Gitternetzlinien (am besten im Abstand von ca. 10-100m). Wie geht das? Danke! Martin
Mr.OBBO KEZEKIA HOPE – Personal tale.
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Diário Mãe Ativa – Bem-vinda ao Diário Mãe Ativa! Sou Camila Barros e aqui compartilho minha rotina real de emagrecimento, treinos rápidos e saúde mental após a maternidade.
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Linarxiste
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MAPPE nel sistema dei SERVIZI alla persona e alla comunità, a cura di Paolo Ferrario – “Lungo la storia dell’Occidente varieranno i rimedi, ma rimarrà costante sia l’essenza del dolore, sia la volontà di trovare rimedio al dolore”, Emanuele Severino, Il giogo, Adelphi editore, 1989
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Roofing Cleveland Oh – Cleveland’s top-ratedfor residential and commercial repairs, replacements, and 24/7 emergency services. Licensed, insured, and built to last.
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denktlaut – Texte aus dem Dazwischen – Gedanken, Geschichten, Beobachtungen
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Web De Urko Rivera – Página Web de la asignatura TIC I
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Ghosts of the Diamond
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DecentM's PeerTube
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At the suggestion of a friend, I decided to install StreetComlete and give OpenStreetMaps a try. I’ll be adding data as walk and bike and hike around the area.
Sustainability Skills Academy
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TailSpace Social
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meowstodon
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Sailorpunisher
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Jeremy Cherfas
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wordpress
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Italian Shed – Carb up, live life later.
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biosphaere.ruhr -
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mastodon
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sukhi-fedi — NodeInfo viewer
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Welcome to now.ello.top
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Dads, they're everywhere.
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Call Theory
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mastodon.netzwissen.de
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005127
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From February 21th to April 23th I spend 192 extra hours on iD and iD tagging schema, thanks to funding from OpenStreetMap Foundation. This grant is now complete and I want to report on progress made thanks to it.
Welcometoindia.com
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Gonzo Girl – Writing stories that are mostly true…
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Dopamin zum Frühstück – Mit einem Lächeln in den Tag
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Log in — Fedibook
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I’m currently in England and have been focusing much of my mapping on improving coverage and detail across the UK. This includes refining road classifications, updating POIs, checking alignments, and making sure tagging stays consistent with current conventions. I try to ground edits in available imagery, local knowledge where possible, and existing community practices.
Alongside that, I’ve been contributing to mapping efforts in parts of Africa. In many of these areas, even small additions like connecting road networks, adding missing settlements, or improving basic infrastructure data can make a meaningful difference for map usability. I’ve been working through tasks such as validating road geometry, adding surface and access tags where appropriate, and helping expand coverage in places that are still relatively under-mapped.
I’m also interested in maintaining data quality over time, not just adding new features. That means reviewing older edits, resolving inconsistencies, and occasionally revisiting areas as better imagery or information becomes available. Consistency in tagging and structure is something I try to pay attention to, especially when working across different regions with varying mapping styles.
Going forward, I’ll continue contributing where I can, both locally in the UK and in regions that benefit from additional mapping support. (i only got into mapping cuz i was bored as i cant play video games… for some reason)
(Made by chatgpt which is why it sound awkward, i just told it my info and it made this) thank u to all who actually read these…
Alongside that, I’ve been contributing to mapping efforts in parts of Africa. In many of these areas, even small additions like connecting road networks, adding missing settlements, or improving basic infrastructure data can make a meaningful difference for map usability. I’ve been working through tasks such as validating road geometry, adding surface and access tags where appropriate, and helping expand coverage in places that are still relatively under-mapped.
I’m also interested in maintaining data quality over time, not just adding new features. That means reviewing older edits, resolving inconsistencies, and occasionally revisiting areas as better imagery or information becomes available. Consistency in tagging and structure is something I try to pay attention to, especially when working across different regions with varying mapping styles.
Going forward, I’ll continue contributing where I can, both locally in the UK and in regions that benefit from additional mapping support. (i only got into mapping cuz i was bored as i cant play video games… for some reason)
(Made by chatgpt which is why it sound awkward, i just told it my info and it made this) thank u to all who actually read these…
Hello Everyone
I’m currently in England and have been focusing much of my mapping on improving coverage and detail across the UK.OpenStreetMap