gchart4mw is a mediawiki-extension for visualizing data in wiki pages. To do so it provides a couple of additional tags for embedding different chart-types. Possible charts are

• lines
• bars
• and pie-charts

The charts are drawn by using the Google Chart API.

All data for visualization is provided in CSV-style.

Example of usage

This example shows the result of 2005´s election for the german Bundestag:

<pie 3d title="Bundestagswahl 2005" size=300x150 xlabel>
SPD,       34.2
CDU,       27.8
CSU,        7.4
GRÜNE,      8.1
FDP,        9.8
Die Linke., 8.7
Sonstige,   3.9
</pie>

Installation

The installation of this extension is done by 2 easy steps:

• drop the php-file in the extension-folder of your mediawiki-installation.
• add require_once('$IP/extensions/gchart4mw.php'); to your LocalSettings.php.