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[[!if test="enabled(graph)"
then="In diesem Wiki ist die Direktive: graph **aktiviert**."
else="In diesem Wiki ist die Direktive: graph **nicht aktiv**; falls dies gewünscht wird, den Admin benachrichtigen."]]
---
The `graph` directive is supplied by the [[!iki plugins/graphviz desc=graphviz]] plugin.
This directive allows embedding [graphviz](http://www.graphviz.org/)
graphs in a page. Example usage:
\[[!graph src="a -> b -> c; a -> c;"]]
Nodes on the graph can link to external urls using regular graphviz syntax,
and a clickable imagemap will be created. As a special extension for
ikiwiki, [[WikiLinks|ikiwiki/wikilink]] can also be used. For example:
\[[!graph src="""
google [ href="http://google.com/" ]
sandbox [ href=\[[SandBox]] ]
help [ href=\[[ikiwiki/formatting]] ]
newpage [ href=\[[NewPage]] ]
google -> sandbox -> help -> newpage -> help -> google;
"""]]
The `graph` directive supports the following parameters:
- `src` - The graphviz source to render.
* `file` - A file in the wiki containing the graphviz source.
- `type` - The type of graph to render: `graph` or `digraph`. Defaults to
`digraph`.
- `prog` - The graphviz program to render with: `dot`, `neato`, `fdp`, `twopi`,
or `circo`. Defaults to `dot`.
- `height`, `width` - Limit the size of the graph to a given height and width,
in inches. You must specify both to limit the size; otherwise, graphviz will
choose a size, without any limit.
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