Reference:OpenLayers

Extension: OpenLayers

Overview
Description:	Makes OpenLayers module availablebasic library for the grafical representation/chart of semantic data.
State:	stable	Dependency:	MediaWiki , Yaron Koren"Yaron Koren" is not in the list (MediaWiki, BlueSpice) of allowed values for the "BSExtensionInfoCompatible" property.
Developer:	Paladox, Yaron Koren	License:	- GPL v2+
Type:	MediaWiki	Category:	Rich Articles Infrastructure
Edition:	BlueSpice free pro, BlueSpice Farm, BlueSpice Cloud
For more info, visit Mediawiki.

Features

The The extension OpenLayers extension makes the OpenLayers module available.

Installation

• Download and place the file(s) in a directory called OpenLayers in your extensions/ folder.

• Add the following code at the bottom of your LocalSettings.php:

                <span class="nx">wfLoadExtension</span><span class="p">(</span> <span class="s1">'OpenLayers'</span> <span class="p">);</span>

            

 Done - Navigate to Special:Version on your wiki to verify that the extension is successfully installed.

To users running MediaWiki 1.24 or earlier:

The instructions above describe the new way of installing this extension using wfLoadExtension() If you need to install this extension on these earlier versions (MediaWiki 1.24 and earlier), instead of wfLoadExtension( 'OpenLayers' );, you need to use:

                    <span class="k">require_once</span> <span class="s2">"</span><span class="si">$IP</span><span class="s2">/extensions/OpenLayers/OpenLayers.php"</span><span class="p">;</span>
                

Source: mediawiki

For more information, please visit MediaWiki.