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Text replacement - "<translate>" to ""
__TOC__
__TOC__
<!--T:1-->
<!--T:1-->
This page shows some examples of what [[Extension:Graph | Graph extension]] can produce.</translate>
This page shows some examples of what [[Extension:Graph | Graph extension]] can produce.</translate>
<!--T:2-->
<!--T:2-->
Graphs use [<tvar|url1>http://vega.github.io/vega/</> Vega grammar] ([<tvar|url2>https://github.com/vega/vega/wiki</> documentation]) as underlying technology.</translate>
Graphs use [<tvar|url1>http://vega.github.io/vega/</> Vega grammar] ([<tvar|url2>https://github.com/vega/vega/wiki</> documentation]) as underlying technology.</translate>
<!--T:3-->
<!--T:3-->
Vega team is working on [<tvar|url>http://vega.github.io/</> other tools] to make Graphs easier to use.</translate>
Vega team is working on [<tvar|url>http://vega.github.io/</> other tools] to make Graphs easier to use.</translate>
<!--T:4-->
<!--T:4-->
For interactive graphs [<tvar|url>https://github.com/vega/vega/wiki/Tutorial</> this tutorial] will explain building graphs step by step.</translate>
For interactive graphs [<tvar|url>https://github.com/vega/vega/wiki/Tutorial</> this tutorial] will explain building graphs step by step.</translate>
<!--T:5-->
<!--T:5-->
For other graph ideas, see [<tvar|url>http://vega.github.io/vega-editor/?spec=bar</> Vega examples].
For other graph ideas, see [<tvar|url>http://vega.github.io/vega-editor/?spec=bar</> Vega examples].
<!--T:7-->
<!--T:7-->
The easiest way to use graphs is via pre-built templates such as the [[:en:Template:Graph:Chart|Graph:Chart]] (available on many Wikipedias), or more specialized [[:en:Template:Graph:PieChart|PieChart]].</translate>
The easiest way to use graphs is via pre-built templates such as the [[:en:Template:Graph:Chart|Graph:Chart]] (available on many Wikipedias), or more specialized [[:en:Template:Graph:PieChart|PieChart]].</translate>
<!--T:8-->
<!--T:8-->
Graph:Chart supports many common graph types such as line, area, and pie charts:
Graph:Chart supports many common graph types such as line, area, and pie charts:
|y2=2,4,6,8,13,11|interpolate=monotone|colors=seagreen,orchid}}
|y2=2,4,6,8,13,11|interpolate=monotone|colors=seagreen,orchid}}
== Vega 2.0 interactive examples == <!--T:9-->
== Vega 2.0 interactive examples == <!--T:9-->
{{Extension:Graph/Demo/IndexChart}}
{{Extension:Graph/Demo/IndexChart}}
== Using RESTBase API == <!--T:11-->
== Using RESTBase API == <!--T:11-->
<!--T:12-->
<!--T:12-->
Show pageview graphs for a range of dates, using pageview analytics API.</translate>
Show pageview graphs for a range of dates, using pageview analytics API.</translate>
<!--T:13-->
<!--T:13-->
See <tvar|1>{{ll|Template:Graph:PageViews}}</>.
See <tvar|1>{{ll|Template:Graph:PageViews}}</>.
</translate>
</translate>
'''<translate><!--T:14--> Current page and en.wikipedia.org's main page for the last 30 days</translate>'''
'''<!--T:14--> Current page and en.wikipedia.org's main page for the last 30 days</translate>'''
<pre>
<pre>
{{Template:Graph:PageViews}}
{{Template:Graph:PageViews}}
{{Template:Graph:PageViews|30|Main Page|en.wikipedia.org}}
{{Template:Graph:PageViews|30|Main Page|en.wikipedia.org}}
<!--T:15-->
<!--T:15-->
''' Current page and en.wikipedia main page for the last 30 days - per type'''</translate>
''' Current page and en.wikipedia main page for the last 30 days - per type'''</translate>
{{Extension:Graph/Demo/Pageviews2|en.wikipedia|Main Page|30}}
{{Extension:Graph/Demo/Pageviews2|en.wikipedia|Main Page|30}}
== Using MediaWiki API == <!--T:16-->
== Using MediaWiki API == <!--T:16-->
<!--T:17-->
<!--T:17-->
This graph shows edit history for a wiki page.</translate>
This graph shows edit history for a wiki page.</translate>
<!--T:18-->
<!--T:18-->
See <tvar|1>{{template|Graph:PageHistory}}</>.
See <tvar|1>{{template|Graph:PageHistory}}</>.
</translate>
</translate>
{|
{|
! <translate><!--T:19--> Current Page</translate>
! <!--T:19--> Current Page</translate>
! [[wikipedia:Albert Einstein|Albert Einstein]] <translate><!--T:20--> from en.wikipedia.org</translate>
! [[wikipedia:Albert Einstein|Albert Einstein]] <!--T:20--> from en.wikipedia.org</translate>
|-
|-
| {{ Graph:PageHistory | width=500 | height=300 }}
| {{ Graph:PageHistory | width=500 | height=300 }}
|}
|}
<!--T:21-->
<!--T:21-->
This graph shows the number of pages in each subcategory.</translate>
This graph shows the number of pages in each subcategory.</translate>
<!--T:22-->
<!--T:22-->
See [[<tvar|1>Special:MyLanguage/Extension:Graph/Demo/CategoryPie</>|graph source code]].
See [[<tvar|1>Special:MyLanguage/Extension:Graph/Demo/CategoryPie</>|graph source code]].
{|
{|
! [[:Category:Extensions by category|Category:'''Extensions by category''']].
! [[:Category:Extensions by category|Category:'''Extensions by category''']].
! [[:en:Category:People|Category:'''People''']] <translate><!--T:23--> from en.wikipedia.org</translate>
! [[:en:Category:People|Category:'''People''']] <!--T:23--> from en.wikipedia.org</translate>
|-
|-
| {{Extension:Graph/Demo/CategoryPie|Extensions by category}}
| {{Extension:Graph/Demo/CategoryPie|Extensions by category}}
|}
|}
== Using Wikidata Query Service API == <!--T:24-->
== Using Wikidata Query Service API == <!--T:24-->
{{Extension:Graph/Demo/Sparql/Largest disasters}}
{{Extension:Graph/Demo/Sparql/Largest disasters}}
== Trees == <!--T:26-->
== Trees == <!--T:26-->
{{Extension:Graph/Demo/CartesianTree}}
{{Extension:Graph/Demo/CartesianTree}}
=== Radial tree === <!--T:28-->
=== Radial tree === <!--T:28-->
</translate>
</translate>
{{Extension:Graph/Demo/Dendrogram}}
{{Extension:Graph/Demo/Dendrogram}}
==Timeline / lifeline== <!--T:29-->
==Timeline / lifeline== <!--T:29-->
</translate>
</translate>
}</graph>
}</graph>
== More maps examples == <!--T:30-->
== More maps examples == <!--T:30-->
<!--T:31-->
<!--T:31-->
This transcludes the page <tvar|1>[[Extension:Graph/Demo/Map]]</>.</translate>
This transcludes the page <tvar|1>[[Extension:Graph/Demo/Map]]</>.</translate>
<!--T:32-->
<!--T:32-->
The <code><nowiki><graph></nowiki></code> tag's JSON data on that page specifies that its <code>countries</code> data comes from a separate URL, [[Extension:Graph/Demo/RawData:WorldMap-iso2-json]], that contains map data in JSON format.</translate>
The <code><nowiki><graph></nowiki></code> tag's JSON data on that page specifies that its <code>countries</code> data comes from a separate URL, [[Extension:Graph/Demo/RawData:WorldMap-iso2-json]], that contains map data in JSON format.</translate>
<!--T:33-->
<!--T:33-->
(MediaWiki doesn't know this wiki page should be formatted as JSON yet, it will eventually use a JSON content handler.)
(MediaWiki doesn't know this wiki page should be formatted as JSON yet, it will eventually use a JSON content handler.)
</source>
</source>
<!--T:35-->
<!--T:35-->
Vega usually works with data in the format <source lang="javascript" inline>[{"id":"country-code", "v":"highlight-color"}, ...]</source>, so I created a helper Lua function to convert the data:</translate>
Vega usually works with data in the format <source lang="javascript" inline>[{"id":"country-code", "v":"highlight-color"}, ...]</source>, so I created a helper Lua function to convert the data:</translate>
<pre>{{#invoke:Graph:Utils|expandDict|{"BR":"pink","US":"blue","CN":"red","DZ":"green","AU":"purple"} }}</pre>
<pre>{{#invoke:Graph:Utils|expandDict|{"BR":"pink","US":"blue","CN":"red","DZ":"green","AU":"purple"} }}</pre>
<!--T:36-->
<!--T:36-->
The Lua function's output is data in Vega's format:</translate>
The Lua function's output is data in Vega's format:</translate>
{{Extension:Graph/Demo/Map|{{#invoke:Graph:Utils|expandDict|{"BR":"pink","US":"blue","CN":"red","DZ":"green","AU":"purple"} }} | scale=90}}
{{Extension:Graph/Demo/Map|{{#invoke:Graph:Utils|expandDict|{"BR":"pink","US":"blue","CN":"red","DZ":"green","AU":"purple"} }} | scale=90}}
<!--T:37-->
<!--T:37-->
Here is a more complex data processing example: [[Extension:Graph/Demo/MapTemplate|MapTemplate]] is expanded with the data from Lua which takes it from the 2010 population distribution in the world (data based on [http://esa.un.org/wpp/ UN data]).</translate>
Here is a more complex data processing example: [[Extension:Graph/Demo/MapTemplate|MapTemplate]] is expanded with the data from Lua which takes it from the 2010 population distribution in the world (data based on [http://esa.un.org/wpp/ UN data]).</translate>
<!--T:38-->
<!--T:38-->
To generate this graph, I use Lua module [[:Module:Graph:Utils|Graph:Utils]]'s function <code>parseCsv</code> to extract the year 2010 column from the [[Extension:Graph/Demo/RawData:PopulationByCountryHistoric-csv]] page (in csv format), and pass that data as the first unnamed parameter to the [[Extension:Graph/Demo/MapTemplate|MapTemplate]] graph.</translate>
To generate this graph, I use Lua module [[:Module:Graph:Utils|Graph:Utils]]'s function <code>parseCsv</code> to extract the year 2010 column from the [[Extension:Graph/Demo/RawData:PopulationByCountryHistoric-csv]] page (in csv format), and pass that data as the first unnamed parameter to the [[Extension:Graph/Demo/MapTemplate|MapTemplate]] graph.</translate>
<!--T:39-->
<!--T:39-->
Additional optional parameter specifies that it should be scaled to 80%.
Additional optional parameter specifies that it should be scaled to 80%.
{{Extension:Graph/Demo/MapTemplate|type=sqrt|colors=["#ffff65","#cb0000"]|scale=180}}
{{Extension:Graph/Demo/MapTemplate|type=sqrt|colors=["#ffff65","#cb0000"]|scale=180}}
<!--T:40-->
<!--T:40-->
Note how the legend it wrongly positioned.</translate>
Note how the legend it wrongly positioned.</translate>
<!--T:41-->
<!--T:41-->
That won't happen at lower scales.
That won't happen at lower scales.
<!--T:44-->
<!--T:44-->
As an example, the graph specification in [[Extension:Graph/Demo/TemplateSample|TemplateSample]] does not hardcode a fill color for <code>marks.properties.update.fill.value</code>; instead it sets the fill color to <code><nowiki>{{{1|#ccc}}}</nowiki></code>.</translate>
As an example, the graph specification in [[Extension:Graph/Demo/TemplateSample|TemplateSample]] does not hardcode a fill color for <code>marks.properties.update.fill.value</code>; instead it sets the fill color to <code><nowiki>{{{1|#ccc}}}</nowiki></code>.</translate>
<!--T:45-->
<!--T:45-->
So if you visit that page or transclude it with no parameter, the graph fills with color <code style="background-color:#ccc">#ccc</code>; but if you transclude that page you can specify the fill color as the first template parameter.
So if you visit that page or transclude it with no parameter, the graph fills with color <code style="background-color:#ccc">#ccc</code>; but if you transclude that page you can specify the fill color as the first template parameter.
{{Extension:Graph/Demo/TemplateSample |#f00dee}}
{{Extension:Graph/Demo/TemplateSample |#f00dee}}
=== Using a template for repeated graphs === <!--T:46-->
=== Using a template for repeated graphs === <!--T:46-->
{{Extension:Graph/Demo/falkensee}}
{{Extension:Graph/Demo/falkensee}}
== Embedded directly with <nowiki><graph></nowiki> == <!--T:50-->
== Embedded directly with <nowiki><graph></nowiki> == <!--T:50-->
}</graph>
}</graph>
== Horizontal bar graph == <!--T:52-->
== Horizontal bar graph == <!--T:52-->
</translate>
</translate>
{{Extension:Graph/Demo/HorizontalBarGraphSample}}
{{Extension:Graph/Demo/HorizontalBarGraphSample}}
== Editing graph data == <!--T:53-->
== Editing graph data == <!--T:53-->