:Author: Chris Schmidt
:Author: OSGeo-Live
:Author: Roald de Wit
:Author: Antonio Santiago
:Reviewer: Cameron Shorter, LISAsoft
:Version: osgeo-live8.5
:License: Creative Commons Attribution 3.0 Unported (CC BY 3.0)

.. image:: ../../images/project_logos/logo-OpenLayers.png
  :scale: 80 %
  :alt: project logo
  :align: right
  :target: http://openlayers.org/

.. image:: ../../images/logos/OSGeo_project.png
  :scale: 100 %
  :alt: OSGeo Project
  :align: right
  :target: http://www.osgeo.org


OpenLayers3
================================================================================

Browser/Mobile Map Library And GIS Client
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

OpenLayers3 is a light-weight mapping library for web and mobile clients which users modern browser technologies, such as HTML5, WebGL and CSS3.

OpenLayers3 is a complete rewrite the previous robust and widely deployed
OpenLayers2 library. They both offer an extensive set of features that cover
basic to advanced web mapping and GIS requirements.

.. image:: ../../images/screenshots/800x600/openlayers-basic.png
  :scale: 70 %
  :alt: screenshot
  :align: right

Core Features
--------------------------------------------------------------------------------

* Layers

  * Raster: WMS/WMTS, OpenStreetMap, MapQuest, Stamen, Bing, static images, etc.
  * Vector: WFS, KML, GeoJSON, TopoJSON, GPX, and IGC.
  * Heatmaps.
  * Render vector layers as raster.

* Controls and Interactions

  * Map overview, zoom slider, zoom in/out buttons, scale line, rotation, etc.
  * Map pan, zoom and rotation, feature selection, modification, etc.

* Styling and customization

  * Powerful styling of features: points, lines, polygons and icons.
  * Customize controls look and feel using CSS3.

* Overlays

  * Render any DOM element at any place on the map.
  * Great flexibility to create tooltips and markers.
  * Mix the power of HTML5 capabilities with a mapping application.

* Events

  * Attach listener functions to react against map events.
  * Create your custom controls or interactions.

* Misc

  * Mobile browser support.
  * Light weight library. Build customized packages to reduce size.
  * Render maps using different technologies: Canvas, WebGL, DOM.
  * Raster analysis (change hue/saturation).

Details
--------------------------------------------------------------------------------

**Website:** http://openlayers.org

**License:** 2-clause BSD License (aka FreeBSD License)

**Software Version:** 3.0.0

**API Interface:** JavaScript

**Support:** https://groups.google.com/forum/#!forum/ol3-dev


Quickstart
--------------------------------------------------------------------------------

* :doc:`Quickstart documentation <../quickstart/openlayers_quickstart>`