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MediaWiki extensions manualManual:Extensions
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Release status:Extension status stable

Chartie extension.png
ImplementationTemplate:Extension#type Parser function, Tag, ContentHandler, Link markup
DescriptionTemplate:Extension#description Adds support of line charts at your MediaWiki
Author(s)Template:Extension#username Dolfinus
Latest versionTemplate:Extension#version 1.0 (2017-02-13)
MediaWikiTemplate:Extension#mediawiki 1.25+
Database changesTemplate:Extension#needs-updatephp No
LicenseTemplate:Extension#license MIT License
Download Download snapshot
ExampleTemplate:Extension#example Example of line chart to wiki page
Hooks usedTemplate:Extension#hook

Translate the Chartie extension if it is available at translatewiki.net

Check usage and version matrix.


MediaWiki extension which allows to add simple line charts to site pages. Based on d3.js, renders image as SVG. There you can see example chart page.


Example of line chart view


Supported file extensions


  • .csv


Download the latest snapshot and extract it to your extensions directory. Then include it in your LocalSettings.php file as in the following example:

wfLoadExtension( 'Chartie' );

$wgFileExtensions = array_merge(
  $wgFileExtensions, array(


As Image Handler


As Parser function




with params:


Instead of uploaded filename you also can use an url for file located in external site.

As Parser tag

<chart data="Data.csv" width="" height="" ... ></chart>
<chart width="" height="" ... >Data.csv</chart>


<chart width="" height="" ... >

You also can use url instead of short filename.


Name Description Default value
width Chart container width 865
height Chart container height 360
legend_title Title of Legend block Solvents:
x_type Type of x axis value temp
x_title Title for x axis Temperature
x_unit Unit for x axis C
x_null If true, use 0 as begin of x axis false
y_type Type of y axis value solub
y_title Title for y axis Solubility
y_unit Unit for y axis g/100g
y_null If true, use 0 as begin of y axis false
delimiter Delimiter for csv file ;
style Chart container CSS style
class Chart container HTML class

Width and height can be set to auto, so size of container will be set according to user screen dimensions.

Type of axis defines available units list, that could be converted to each one. If you want to use your own units, set axis type to ‘general’. If you want to no use unit convertationn at all, set If you want to use your own units, set axis type to ‘general’. If you want to no use unit convertationn at all, set axis type to ‘no’. By default, axis titles and units are automatically sets its value, based on type (as =type name and =first unit in list):

Axis types and units

Type Units
general a,f,p,n,u,m,c,d, ,K,M,G,T,P (prefixes)
time s,min,hour,day,month,year
mass mg,ct,g,oz,lb,kg,ton
length mm,cm,in,ft,yd,m,km,mile
area mm2,cm2,in2,dm2,ft2,yd2,m2,a,da,acre,ha,km2,mile2
volume mm3,cm3,pt,qt,l,gal,br,m3,km3
speed mps,knot,mph,fps,kph,kps,c
temp C,K,F,Ra
solub g/100g,%


For now, extension is also translated to Russian, so you can use localized units name (for example, ‘кг’ instead of ‘kg’). Full list of localizations can be found at i18n dir, they are named to langs.


All default values can be changed in your LocalSettings.php file:

$wgChartie["width"]  = 865;
$wgChartie["height"] = 360;
$wgChartie["class"]  = 'someclass';


Action Controls
Mouse over line, touch line Show tooltip with extrapolated value
Mouse over line dots, touch dot Show tooltip with exact value
Click on axis title Show values from min / from zero
Click on axis unit Convert values to new unit
Double click at line Hide specified line
Click or touch legend item Hide/show specified line
Click on legend title Hide/show all lines