Projects / OpenLayers


OpenLayers is a pure JavaScript library for displaying map data in most modern Web browsers, with no server-side dependencies. It can display map tiles and markers loaded from any source. It implements a (still-developing) JavaScript API for building rich Web-based geographic applications.

Operating Systems

Recent releases

  •  28 Jul 2012 19:36

    Release Notes: This release adds major updates to tiling, assorted enhancements, and bugfixes.

    •  29 Mar 2012 23:33

      Release Notes: This release improves mobile support, with a focus on touch devices, and adds code speedups and bugfixes.

      •  02 Apr 2011 23:45

        Release Notes: Support was added for WMS layers with SVG as image format, for SVG enabled browsers. Bugs were fixed.

        •  06 Sep 2008 20:29

          Release Notes: Vector-Behavior was implemented, including strategies, protocols, and filters. Vector rendering was improved for better performance. A Canvas rendering class was added. Z-Ordering and Y-Ordering was added for Vector layers. Basic Measurement Control was added. An OpenLayers.Request interface was added for AJAX. Popups were made smarter.

          •  24 Apr 2008 04:27

            Release Notes: The CloudAmber popups were integrated for advanced visual display. Panning of commercial layers was improved. Panning of maps was animated. Layer Image transitions were implemented for keeping images visible when zooming. Client side reprojection is supported, including programatically reprojecting points and geometries. Styling was improved. SLD read and write are supported. reading and writing multiple versions of WMC are supported. KML and GeoRSS support were improved. Internationalization was improved. Additional handlers and controls were added.


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