Overpass turbo

It can also used for simple analysis of OSM overpass turbo. Just point your browser to overpass-turbo. More information about overpass turbo is found in the OSM wiki.

Objects in the database are made up of single nodes, ways which are a series of single nodes joined together , and relations which are more complex structures where ways and nodes are combined. Tags are used to label these data points by describing the features each one possesses. In this post we will see how to build different types of query to find information via the Overpass Turbo website. Overpass Turbo comes with a built in Query Wizard that makes constructing queries easier. The queries are converted into the more complex Overpass Query language before being sent to the API.

Overpass turbo

It acts as a database over the web: the client sends a query to the API and gets back the data set that corresponds to the query. Unlike the main API , which is optimized for editing, Overpass API is optimized for data consumers that need a few elements within a glimpse or up to roughly 10 million elements in some minutes, both selected by search criteria like e. It acts as a database backend for various services. Please see the full user's manual for a detailed introduction. It is highly recommended to get familiar with various features via overpass turbo , an interactive Web-based frontend. For legacy applications, there's also a compatibility layer to allow a smooth transition from XAPI. Note: this approach retrieves raw data, and while this example uses Javascript, with JSON output, the API works with effectively any language and has many output formats. You can use the public visible instances:. See the semantics explained below. You can use the Overpass turbo frontend to create and display queries for the above-mentioned Overpass API instances. Overpass API also provides permanent links. If you've come to Overpass via. There are several community sites providing help for Overpass API and overpass turbo related questions. It is the recommended channel for introductory to expert level questions or more generally, if your question is interesting to a wider audience.

Here are some ideas where using overpass turbo can be a handy tool while mapping:.

Overpass Turbo is a website to execute requests towards Overpass API and to watch the result on a map. Martin Raifer has developed Overpass Turbo, and I'm grateful to him both for the idea and the software. Very large result sets cause difficulties; the JavaScript engines even of contemporary browsers then get strained in their memory management. For this reason, Overpass Turbo will ask you if it has received a large set of results if you accept the risk to freeze your browser by the amount of data. There are many popular and helpful features in Overpass Turbo, but they exceed the mission of this manual. Instead, the proper documentation of Overpass Turbo introduces them. Features not introduced here include e.

This is a collection of queries that provides a simple tutorial that introduces the core features and syntax of the Overpass QL query language. Each of the queries introduces a specific feature of the language, starting from querying for simple points of interest through to more complex spatial queries. Each query introduces a specific feature of the language, with subsequent queries showing variations of how to use that feature. Or how to combine it with other features to do more complex queries. Read the descriptions and then review the query. Comments are included to describe the important elements of the query. Your browser will open up a new page, loading the query and the description into the Overpass Turbo IDE.

Overpass turbo

It acts as a database over the web: the client sends a query to the API and gets back the data set that corresponds to the query. Unlike the main API , which is optimized for editing, Overpass API is optimized for data consumers that need a few elements within a glimpse or up to roughly 10 million elements in some minutes, both selected by search criteria like e. It acts as a database backend for various services.

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But the functionality can be applied to any area of the map. The display in the bottom corner of the map says that within the map area there are nodes and ways that match this query. And how can OpenStreetMap empower local communities to build and maintain their own maps? There are many popular and helpful features in Overpass Turbo, but they exceed the mission of this manual. Share this:. Large requests can cause your connection to time out, so this tag imposes a limit although you can adjust it as needed. The item in query restricts the possibly found items to those already found in the step before, with recurse. Translations are managed using the Transifex platform. See more details about bbox below. More examples on this page. In this post we will see how to build different types of query to find information via the Overpass Turbo website.

Here are some more Examples of interesting overpass queries. You can click on the turbo icons for a direct link of the respective query on overpass turbo.

Get all relations that have the nodes named Lichtscheid as members. Warning: when running this example, more than MiB of data will be retrieved even if it does not recurse up to give all details like in the first example, here it will only retrieve a flat list of nodes with their tags. Or the other way round, to get for a node, way or relation the ways or relations the element is member of. The query will run automatically so you can see the results. Please click now on Execute. Pokemon GO Hub. You switched accounts on another tab or window. Kumi Systems Overpass Instance. For example, one can activate alternative Overpass-API servers or set a custom background map. Working with natural features makes it more likely that the queries will consistently return the expected results with the area. So I encourage you to reflect on what you learn as you run these queries. The project is maintained by Roland Olbricht mail: roland. In the mobile version the text field sits above the slippy map. The slippy map moves to the center of the results and the finest possible resolution such that still all results fit into the viewport.