What a treat -30.6743046,26.7295793 http://conville-farm.com/
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It was a nice day. I think I just added more cameras. I also saw several cats, and a very excited dog who ran over to the fence to jump up and say hi. A nice day, indeed.
I also noticed that one of the house numbers on the north side of E Culver Ave seems to be out of order with the rest. The house numbers go: 537, 543, 555, 605, 569, 577. 605 is between 555 and 569, which doesn’t make sense. 618 is across the street, and starts the even-numbered 600 houses. Was it meant to maybe be 565 and some clerical error happened? Is it even a mistake at all or is this something deliberate? I have no idea, but it definitely threw me. I wonder if they struggle to receive packages.
I have to mapping projects I’m doing here. The first one, the one that has most of my focus is my home community of Fairview, California. The other is Canonsburg, Pennsylvania. For both projects I rely on a variety of tools:
- the Bing visual
- Google maps
- County GIS records
While Google has good data most of the time, I have spotted a couple dozen errors since I’ve started on these projects. When I can easily submit a correction to them, I do. When I can’t, I make sure my work better reflects what the county map tells me.
A few kilometers from the town of Luncavița in Tulcea County, tourists visiting the Măcin Mountains National Park can stop off in Cetățuia hamlet — a paradise for beekeepers who have brought bees to the linden forests (that define this hamlet) and for tourists who want to stay in a quiet place, next to the mountains, as this is the only locality in Tulcea County that resembles a mountain village. However, it didn’t have detailed OpenStreetMap coverage, until now. We have mapped this area in detail and are pleased to announce that the map is complete. You can view the before-and-after images below.
Before detailed mapping

নাগা বাজার — বীরকুৎসা সড়ক আমাদের দেখায় কীভাবে একটি ছোট স্থানীয় পথ থেকে বৃহৎ পরিবর্তন ও উন্নয়নের সম্ভাবনা তৈরি হতে পারে। এটি কেবল পথ নয়—এখানে মানুষের জীবিকা, সংস্কৃতি, অর্থনীতি ও দৈনন্দিন জীবনের রক্ষাকবচ লুকিয়ে আছে। সঠিক পরিকল্পনা, স্থায়ী রক্ষণাবেক্ষণ, স্থানীয় অংশগ্রহণ ও পরিবেশের সঙ্গে সমন্বয় রেখে উন্নয়ন করলে এই ৩ কিলোমিটার পথ পুরো এলাকাকে নতুনভাবে সংজ্ঞায়িত করতে পারে। রাষ্ট্রীয় তহবিল, স্থানীয় সরকার ও গৃহস্থালি উদ্যোগ মিলিয়ে এই সড়কটিকে শুধু চলার পথ না রেখে একটি স্থায়ী উন্নয়নের কাঁচা-সহজ রিংক হিসেবে গড়ে তোলা যেতে পারে—যা আগামী প্রজন্মের জন্য উন্নত সুযোগ ও জীবিকা তৈরি করবে।
Orange is pleasant to walk around. The houses are unique and interesting, the people are friendly, and sometimes there are dogs outside you can say hi to (and I say hi to every single one). Even in the quieter neighborhoods, it’s still a lively place. At least, during the day.
At night, it’s perfectly quiet and still. Because of this, I like to walk around at night; sometimes to help digest a large meal, sometimes just to think a bit before bed. Despite the solitude, I don’t feel entirely alone, because I’m being watched by a network of doorbell cameras. Some of them are set far enough back that I’m pretty sure they can’t see me. Others are close enough that they come alive and emit a faint glow when I walk by. Can they see in the dark? Does someone get a push notification alerting them to my presence? I’m not breaking the law, but it feels like I am.
I’m interested in privacy rights, and how technology makes it easy to surveil entire groups of people, always without their consent. I believe that people have a right to know when they’re being watched, and by whom, at least as long as recording in public remains legal. To that end, I’m starting to map doorbell cameras.
I did some research beforehand to see what the community thinks of mapping private objects. I’m still new, and I want to make sure I contribute in a way that is welcome and helpful. The Good practice page also reads: “Be brave in what you add…”
I read the Mapping private information wiki page. As far as I can tell, nothing there explicitly prohibits doorbell camera mapping. I believe I can also satisfy verifiability requirements: someone with a reasonably up-to-date prescription could stand on the same sidewalk and verify that these devices exist at a given location.
I also found a forum thread with some lively debate. The arguments I read in favor were convincing. Then, I checked the map, which had 1,121 camera:mount=doorbell tags, some of which go quite far back.
Peta Bencana Banjir Kabupaten Aceh Tamiang
Current wiki guidance for tagging slipways (leisure=slipway) is as follows:
A typical mapping might be to make a short highway=service way to the water’s edge and make the final node a leisure=slipway.
The highway=service that is part of the physical slipway is often further refined with a service=slipway. Keep in mind though that this does not replace leisure=slipway, mapped as a node on the end of that way.
Some mappers instead tag the whole way as leisure=slipway without using a highway=* tag, or sometimes in combination with highway=service (here service=slipway can be applied as well as above).
In other words there are two options (the first being implicitly preferred)
Option 1 - tag the node
- way: highway=service + service=slipway
- final node: leisure=slipway
Option 2 - tag the way
- way: leisure=slipway + optional highway=service + service=slipway
- final node: not tagged
The map marks an icon for both nodes and ways tagged with leisure=slipway. It’s therefore likely not advisable to do both. But which one is preferable?
There is some discussion about this on the wiki but no apparent resolution and it appears to refer to previous versions of the guidance: osm.wiki/Talk:Tag:leisure%3Dslipway
Though there is a question raised about wether leisure=slipway should be replaced by highway=service + service=slipway outright, especially given not all slips are for leisure use. But the map only marks an icon for leisure=slipway so this is likely not recommended.
Status quo
I wrote a script to analyse the data from of an area on the south east coast of Scotland.
https://overpass-turbo.eu/s/2hdk
The results:
- 45: option 1 (includes 16 orphaned nodes with no way)
- 62: option 2
So option 2 appears to be preferred, however it results in the map icon being placed at the mid point of the slip.
For ways that are correctly scoped to just the sloped slipway, this is probably ok. Longer ways should be split anyway.
To edit an OpenStreetMap (OSM) diary entry, you must navigate to the specific post while logged into your account.

Steps to Edit Your OSM Diary
- Log in to your account on OpenStreetMap.org.
- Click on your username in the top right corner to go to your user profile.
- Click the “New Diary Entry” link (usually located in the menu tab just below your username).
- Find the specific entry you want to change and click on its title to open the full post.
- Scroll to the bottom of the post text; you will see an “Edit this entry” button.
- Click it to open the editor, make your changes, and hit Save.
Important Notes
Buste op het Kennemerpark in Alkmaar.
Het OSM knooppunt
Meer informatie op de website van Kunstwacht.
wikidata:Q2369995
wikimedia_commons: Category:Dorpskerk (Castricum)
wikipedia nl:Dorpskerk (Castricum)
Rijksdienst voor het Cultureel Erfgoed, CC BY-SA 4.0, via Wikimedia Commons
Hoje, comecei uma ordem de trabalhos novos: fui à pagina da taginfo para key:building, ordenei os termos por quantidade de valores e fui à última página. Aqui estão nodes ou áreas etiquetadas como “buildings” em que só há uma instância de cada - ou seja, há 98% a certeza que está mal etiquetada. Lancei-me à correcção ordenada de cada uma.
É uma forma de ajudar a limpar as tags: de momento, 625 páginas de valores na chave “building”, 8120 itens… de certo agora 624 páginas pois editei os itens todos da última página e agora estou à espera que as edições cheguem aos servidores e actualizem esta tabela …e também de editar fora da minha por assim dizer jurisprudência, porque até agora cingi-me a mapear passeios, passadeiras, ciclovias, acrescentar vários detalhes, e corrigir problemas indicados pelo Osmose na minha área de residência.
Até agora, deparei-me com (entre outros!):
I was a bit too sleepy to post last night, but I got coffee and wandered by Long Dog Coffee and Treats, a delightful dachshund-themed café (with treats for both two-legged and four-legged friends) because that POI was not on the map. :)
Ahoj, tento projekt má za cíl zlepšit kvalitu a přesnost mapování obnovitelných zdrojů energie. A taky začít rozšiřovat infrastrukturu o tyto detailní data. Čím také přispěje k lepšímu pochopení a také budoucího vývoje v této oblasti energetiky.
Bod: 1. Opravy Mnohé např: fotovoltaické elektrárny jsou nesprávně zmapované jako například že se tváří že jsou vlastně solárním kolektorem a né fotovoltaickou elektrárnou.
Bod: 2. Přesné a detailní zpracování Je nutno dbát na kvalitu zapisování a mapování této infrastruktury.
Bod: 3. Expanze Růst této infrastruktury je klíčová k zlepšení kvality a dostupnosti dat o jejím vývoji. Je nutno přidávat nové generátory energie a elektrárny
https://accda.maps.arcgis.com/apps/webappviewer/index.html?id=2045711bf8a44a109d83d31300e5f5ed
Ashland, Cherryland, Hayward Acres and Fairview all used to have “Hayward” as their city for their addresses. The U.S. post office reverted their names to their historical place names. I am taking care of Fairview (I live here) but if anyone wants to help with the other communities, please jump in.
So as I was mapping some rooftop solar, I noticed that some of the houses were all offset from the Bing image data by the same amount. I’m pretty sure there’s a way to resolve this without turning my GPS on and driving around a bunch, but where’s the fun in that? I also wanted to play around with Go Map!! and get comfortable with uploading traces in general, so I turned on Go Map!!’s GPS and drove around a bunch while listening to a podcast. Seeing the GPS data later on in JOSM was neat! It was also a reminder that GPS has a sampling frequency, and moving in a car, even at 25 miles per hour, spreads those samples out.
I’m guessing this is an imagery offset problem (I think that’s usually more likely to be incorrect), but I want to be sure so the solar panels are correct. I have to dig in some more. I know there are various ways to do it, but I’m entirely too sleepy to figure them out right now, which means it is officially a tomorrow thing. :)
Edit: I got a brief second wind. I learned that there is an imagery offset database, although neither of the two options available helped in this instance. I also noticed that both Bing and ESRI imagery comport, so the buildings are offset by the same amount compared to both images.
I checked the history of one of the buildings, and it was created in 2018 from Bing imagery. I then checked the buildings against ESRI Clarity, and they match much better. Now it’s officially a tomorrow thing. ;)
I started mapping my community last month. Looking at how the map is filling in, I think I’m about 1/4 to a 1/3 done with getting Fairview on the map. I’m focusing on homes, property boundaries, trees, pools and other out buildings.
Tonight I also worked on sidewalks and crossings.
Was a map user with Mapinfo for years at work, and added Google Earth Pro to that skill set. AllTrails uses OSM for their base map. Recommended by Carey Spies.
Enjoying the learning process so far. Have edited the course cart path at the Grizzly. And have added the path/driveway to Dale Spies’ house.
Last weekend I gave a talk about OpenStreetMap and biking at the Madison Bike Advocacy Meetup. This is a monthly meeting of people interested in biking and local bike advocacy. The purpose of the talk was to give a high-level overview of what OpenStreetMap is, how it can be used for biking and bike advocacy, and how you can contribute to OpenStreetMap. About two-thirds of the audience had previously heard about OSM. I think the talk was well received and there were many questions during the Q&A period. And in the days after the event I saw some OSM editing activity from new contributors.
The slides, notes, and resources are available in this Github repository under a CC BY-SA license. Please feel free to reuse it!
All mistakes and omissions are mine.
- Suivi des commerces (@karr4s)
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Suivi des zones en travaux : requête à mettre à jour en fonction de la date + utilisation du tag
check_datedans OSM pour avoir un suivi des travaux - Suivi des vitesses limites