OpenLayers makes it easy to put a dynamic map in any web page. It can display map tiles, vector data and markers loaded from any source. OpenLayers has been developed to further the use of geographic information of all kinds. It is completely free, Open Source JavaScript, released under the 2-clause BSD License (also known as the FreeBSD).

The first command will create a directory called my-app (you can use a different name if you wish), install OpenLayers and a development server, and set up a basic app with index.html, main.js, and style.css files.

If you're eager to get your first OpenLayers map on a page, dive into the quick start. For a more in-depth overview of OpenLayers core concepts, check out the tutorials.

topolis integration (topolis.html) Example on how to use topolis with OpenLayers.

API change policy The OpenLayers API consists of names and signatures of constructors names and signatures of instance methods and properties names and signatures of functions names of constants Within a major release series, the API will not be changed. Any changes to the API will be accompanied by a new major release.

The recommended way to use OpenLayers is to work with the ol package. To add OpenLayers to an existing project, install the latest with npm:

Code licensed under the 2-Clause BSD. All documentation CC BY 3.0. Thanks to our sponsors. This site is powered by Netlify.

To use a standalone build of ol-mapbox-style, include 'dist/olms.js' on your HTML page, and access the exported functions from the global olms object (e.g. olms.apply (), olms.applyBackground ()). Note that the standalone build depends on the full build of OpenLayers. ol-mapbox-style >=12.4 is required for OpenLayers >10.3.1.

OpenLayers is a pure JavaScript library for displaying map data in most modern web browsers, with no server-side dependencies. OpenLayers implements a JavaScript API for building rich web-based geographic applications, similar to the Google Maps APIs, with one important difference -- OpenLayers is Free Software, developed for and by the Open ...

OpenLayers has four basic types of layers: ol/layer/Tile - Renders sources that provide tiled images in grids that are organized by zoom levels for specific resolutions.