OpenStreetMap
Всем привет кого давно не видел)
Возраст первой (уцелевшей) правки в разных местах.
Удивительны две вещи: 1) Импорт Тайгера в США до сих пор виден. 2) еще можно отыскать место, в котором данных нет и сделать первую правку.
Ну и до кучи средний возраст объектов.
I don’t know why but I get a thrill every time I work on a map. Is that weird? It makes me want to keep coming back to do more. I also enjoy the fact that it may prove useful to others!
So the SotM EU just ended (guys from UK asked to call it “Europe”, not “EU”). We had a lot of talks, hundred people from the States and Belgium, met many friends. And also learned a bit more about Overture Maps. Nothing new since my Shtosm post, but updates my post about donating money. This is a rough DeepL translation of this and this telegram posts.
First, a simple one. Overture is not OpenStreetMap. Marc started by saying that the target audience for Overture Maps is developers. Just as Ballmer once chanted: developers, developers! And he’s right: Overture makes working with data much easier for developers. The data is collected, cleaned, in a convenient format, take it and build it into the product.
So the audience is product developers. Who know little about geo, but a lot about building products. As I wrote in the reddit about VLC, there are developers and there are developers. The audience here are opensource developers: god knows how to organize them. They are not the TA of Overture. They’re doing OSM. So when Mark encourages developers to use (and of course improve) Overture here, he’s kind of leading developers away from OSM. And that’s the first thing that was a bit tone deaf in his presentation.
The second is what I detailed in my question after the talk. That is, I’ve written before that Overture is an awesome wrapper to OSM. It sells data, it sells an idea, it does all the things we don’t want to do. But at the same time, the attitude towards Overture and the community was: you’re doing a great job, all these maps are very good, the tools you’ve written are great too, keep it up.
OpenStreetMap (OSM) is fun and fantastic for so many reasons. One being able to roam around the world from the comfort of your chair. I started mapping on OpenStreetMap in 2015 by coincidence through a friend. And OSM later became part of my work at Mapbox. Where I went through out the world as an armchair mapper. I used to maintain a list of interesting places as I encountered them. Then map it later when I am free. Here are my 3 memorable OpenStreetMap edits.
Tea plantations in Valparai by Thangaraj Kumaravel | Image license: CC BY 2.0 Deed
This was my first attempt at trying to map out a public park from the original CAD drawings attempting to draw out this map by hand using JOSM. If there’s a way that I could trace polygons from QGIS and be able to save them, I’ll probably end up trying to go that route.
Bar soria
Someone should really praise me for the incredible job I’m doing of mapping a shitload of POIs in my neighborhood
Also, how do I put smileys, on here ?
Let’s take a look at addition and division mapping of natural and landuse. First we will look at the inconveniences that exist when mapping such areas. Next we will look at the method behind division mapping and scenarios of how to apply it. And finally take a real world example of how these two mapping styles were applied.
The definition of addition mapping is the act of adding new data to a white spot area aka an area with no data.
The definition of division mapping is the act of taking an existing object and dividing it down into smaller partitions.
There are two main inconveniences when mapping natural and landuse from aerial imagery. First, depending on the resolution of the imagery, deciding where to make a clear cut if it is a distinct natural or landuse area. And second, the amount of clicking required to create a new area.
For the first inconvenience, more or less, it is personal choice and level of details. E.g. try to answer this question: when would one make a distinction between natural = scrub and natural = wood? The difficulty exists in the fact that the value scrub permits trees and lots of time these trees are/aren’t growing close enough to each other.
For the second inconvenience, lots of editors have the option to split a way (aka division mapping). In JOSM you can split an area with ALT+X (UtilsPlugin2 required). Or manually split the circumference of an area at two nodes and then separately connect the two arcs.
Let’s say one needed to create 4 square farmlands in a grid layout. How many node clicks are required?
Mapping the traditional way (aka addition mapping) 16 node clicks are required. One square has 4 nodes, and there are 4 squares, so 4 * 4 = 16.
Mapping with UtilsPlugin2, it takes 8-10 node clicks. There are two methods to achieve this. The first step is equivalent for both methods by drawing the circumference which is 4 node clicks.
We use the data from OpenStreetMap while hiking through Colombia, Panama and Peru. It is really solid and a big thanks you to all the contributors!
One thing always stands out though. Almost all of the local people have never heard of the name ‘OpenStreetMap’. However, whenever we get information about trails they ask if we use Maps.me or recommend using it. For those that don’t know, Maps.me is simply an app showing data from OpenSteetMap!
We’re not sure why Maps.me is such a popular recommendation, though the name may be easier to remember that OpenStreetMap. We think it may simply have been one of the first apps that was free and allowed you to easily download maps for offline use?
We use an app called Organic Maps ourselves and can recommend it to anyone that goes hiking in another country. It is a privacy-friendly app and we found out it even preloads data from Wikipedia (for instance on towns, soms highlights/attractions and mountain tops).
IVIDES.org promoverá o GIS DAY 2023, como parte da iniciativa global #osmgeoweek, the OpenStreetMap Awareness Week. O Instituto IVIDES.org conta com a colaboração do HUB YouthMappers Rio de Janeiro, que inclui um poll de universidades brasileiras - UFRJ, UERJ e UFRRJ. A responsável pelo evento é a Dra. Raquel Dezidério Souto - raquel.deziderio@gmail.com.
As atividades programadas - palestras especiais, mapatonas e validatonas, serão promovidas para melhorar a completude dos dados no Estado do Rio de Janeiro (Brasil), uma contribuição para a redução de riscos e desastres em cidades selecionadas (nesta primeira fase do projeto) - Maricá, capital Rio de Janeiro (Mosaico das Vargens, Recreio dos Bandeirantes) e Seropédica.
Informações em:
https://ivides.org/hub-youthmappers-rio-de-janeiro-brasil
Palavras-chave: OpenStreetMap, IVIDES.org, HUB YouthMappers Rio de Janeiro, Brasil, mapeamento colaborativo.
IVIDES.org will promote the GIS DAY 2023, as part of the global initiative #osmgeoweek, the OpenStreetMap Awareness Week. The Institute IVIDES.org has the colaboration of the HUB YouthMappers Rio de Janeiro, that includes a poll of Brazilian Universities - UFRJ, UERJ and UFRRJ. The promoter and responsible of this event is Dr. Raquel Dezidério Souto - raquel.deziderio@gmail.com (IVIDES.org).
The scheduled activities - special keynotes, mapathons and validatons will be promoted to improve data completeness in the State of Rio de Janeiro (Brazil), a contribution to the reduction of risks and disasters in selected cities (at this first stage of the project) - Maricá, Rio de Janeiro (Mosaico das Vargens, Recreio dos Bandeirantes) and Seropédica.
The event is open to all and the subscriptions can be done at this direction: https://encurtador.com.br/knEFJ
Wellcome to Rio! Wellcome to OpenStreetMap and the free and open software comunity!
Semana de Conscientização Geográfica
Geographic Awareness Week
Participe deste evento incrível e explore o poder da geoinformação na Amazônia!
📆 DATA: 14/11/23 - Presencial na UEPA/NUPAD/LEGA 15/11/23 - Híbrido - Online
🕘 HORÁRIO: 09:00 às 18:00
🤝 ORGANIZAÇÃO: LEGA (Laboratório de Estudos e Pesquisas Geoambientais da Amazônia) - UEPA
🤝 PARCERIA: Meninas das Geotecnologias - IFPA
🌟 APOIO: Esri, UmbraOSM, Youthmappers
✅ INSCRIÇÕES ABERTAS em https://doity.com.br/gisday-amazonia-2023
Não perca! Este evento é uma oportunidade única para aprender, colaborar e descobrir como a tecnologia geoespacial está moldando o futuro da Amazônia. Junte-se a nós e seja parte dessa jornada rumo à conscientização geográfica! 🌎🌿 #GisDayAmazônia2023 #Geoinformação #PreservaçãoAmbiental
test 123
Been putting some effort into expanding detail around Upper Mast Landing Rd. in Freeport, Maine.
A V Olimpíada Brasileira de Cartografia - OBRAC 2023 incluiu o OpenStreetMap como parte da sua segunda etapa, de natureza prática. As equipes participantes, compostas de professores e alunos (de 14 a 18 anos), de escolas públicas e privadas e de todo o País, mapearam aspectos ambientais e socioeconômicos de áreas selecionadas da Região Amazônica brasileira, utilizando editores on-line e aplicativos para mapeamento com o OpenStreetMap.
A Dra. Raquel Dezidério Souto (IVIDES.org e UFRJ), que coordenou a parte técnica desta segunda etapa da competição, criou a exposição virtual Amazônia no Mapa, com parte dos mapas elaborados pelas equipes participantes.
Fonte: equipes participantes da OBRAC 2023 - Ref. 6298800859 (topo esq.); 6299051019 (topo dir.);
6116334695 (centro esq.); 6474822799 (centro dir.);
6169070179 (inf. dir.); 6191786719 (inf. esq.).
The V Brazilian Cartographic Olympiad - OBRAC 2023 included OpenStreetMap as part of its second stage. The participating teams, integrated by teachers and students (aged between 14 and 18 years) from public and private schools, from all over the country, mapped environmental and socioeconomic aspects of selected areas of the Brazilian Amazon Region, using online editors and applications for mapping with OpenStreetMap.
Dr. Raquel Dezidério Souto (IVIDES.org and UFRJ), who coordinated the technical part of the second stage of the 2023 edition, created a virtual exhibition Amazônia no Mapa, where anyone can visit the maps of the Brazilian Amazon Region, created by the teams of the OBRAC 2023.
Source: OBRAC 2023 Teams - Ref. 6298800859 (topo esq.); 6299051019 (topo dir.); 6116334695 (centro esq.); 6474822799 (centro dir.); 6169070179 (inf. dir.); 6191786719 (inf. esq.).
.
