overpass turbo

Overpass turbo

Overpass Turbo is a website to execute requests towards Overpass API and to watch the result on a map.

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.

Overpass turbo

Overpass turbo overpass-turbo. It runs any kind of Overpass API query and shows the results on an interactive map. Using it can get technical quite quickly: beginners may find the "wizard" a good place to start. This project is maintained by Martin Raifer. The source code is found on github. With overpass turbo, there is an easy way to quickly run any Overpass query and inspect the results in a user friendly manner. Here are some ideas where using overpass turbo can be a handy tool while mapping:. When clicking on an object, a popup shows all the information of the selected node, way or relation: type and id, tags, coordinates, relationship memberships and meta data are shown, if available. Please note that you need a somewhat recent web browser for using overpass turbo. Opera, Chrome and Firefox have been tested and work. There is a Query Wizard that assists one with the writing of Overpass queries. It is designed to transform simple, human-readable search terms into functional Overpass queries. Here is an example: To get restaurants, now all you have to do is fire up the Wizard and enter Restaurant. Read more about the Query Wizard on its own subpage. One can use handy shortcuts in the query which are auto-expanded before the execution of the query:.

Under normal circumstances, this is no problem. Results not displaying?

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.

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

The Overpass "Query Wizard" helps you do this more easily. To get information from a database you send it a "query" a question in a language the computer can understand the "query language". Writing Overpass queries requires knowledge of the Overpass query language , and even then can sometimes be quite tedious, repetitive work. Overpass turbo 's Query Wizard helps you by converting simple, human readable search terms into functional Overpass queries. Those can be combined with logical operations like and or or. Take a look at the following examples:. By default, the data to be searched is limited to the current map viewport. But the Wizard also understands some other location filters.

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Really appreciate your help, Felix. Share this:. There is a mailing list for developers. What if I want to find information within a particular city or region thast is not a nice neat rectangle shape? I would be interested in how to look at overpass from the perspective of a database designer. A turbo introduction to Overpass. Slides Examples. Read the descriptions and then review the query. Various map features position number from left to right in parentheses in text below. OpenStreetMap and Overpass Turbo.

These extensions are specific to the overpass turbo interface and take precedence over the Overpass QL syntax i. From OpenStreetMap Wiki. Purge Help.

Again, all of the following examples can be tested by copying the snippets to this form. You select among the type of element by the type attribute. By the end of the tutorial you will learn: some basics of the OpenStreetMap data model how to write queries to extract nodes, ways and relations from the OSM database using a variety of different methods how to filter data to extract just the features of interest how to write spatial queries to find features based on whether they are within specific areas or are within proximity to one another how to output data as CSV and JSON for use in other tools How to use the tutorial Step through each of the queries in turn. So when you revisit it, you're usually looking at the same location. In this tutorial we saw how to use tags to build increasingly complex queries, but this is still only scratching the surface of what is possible with OSM. GIS StackExchange. The following examples introduce the remaining commands recurse and around. Views Read View source View history. 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. Feel free to use our service in any project, there is no rate limit in place. You can see the difference in the results:.

3 thoughts on “Overpass turbo

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