Version 29 (modified by Christian Boos, 9 years ago) (diff)

updated samples with nicer looking images

Graphviz Plugin


The GraphvizPlugin allows for the inline creation of diagrams for abstract graphs and networks using the Graphviz programs.

Bugs/Feature Requests

Existing bugs and feature requests for GraphvizPlugin are here.

If you have any issues, create a new ticket. Be sure to mention which version of Trac and which version of the plugin you're using. If the version number ends with '', then please also specify the changeset number corresponding to the version you're using.


The programs from


See source:graphvizplugin/0.10/README.txt for details on installing the plugin on Trac 0.10.

See source:graphvizplugin/0.11/README.txt for details on installing the plugin on Trac 0.11.

After installing, don't forget to enable the plugin in your trac.ini, the usual way:

graphviz.* = enabled


Download the zipped source from here. Note that this contains everything regarding the Graphviz plugin including tagged releases and branches. The 0.10 directory contains the latest released version of the code for Trac 0.10 and the 0.11 directory contains the latest code for Trac 0.11.

  • [download:graphvizplugin/0.11-0.7.4 download] latest stable version (0.7.4) for Trac 0.11
  • [download:graphvizplugin/0.10 download] latest version for Trac 0.10


You can check out the source for GraphvizPlugin from Subversion at


digraph G {Hello->World->Graphviz->Rules}

would produce an image like:

Sample outout from the graphviz plugin, produced with graphviz-2.20.3 with pangocairo support

Note that you can insert TracLinks like this:

  digraph G {
    rankdir = "LR"
    GraphvizPlugin [ URL=GraphvizPlugin ]
    Trac [ 
    GraphvizPlugin -> Trac

This produces an image like this, but with the nodes are clickable, unlike here:

second example, this time with colour and TracLinks, also produced with graphviz-2.20.3 on Linux

Recent Changes

16177 by cboos on 2017-01-12 10:36:25
GraphViz trunk is now compatible with Trac 1.3dev

It should still work with Trac 1.2 though for now, but if you have trouble,
go with the 1.2 maintenance branch.

16176 by cboos on 2017-01-12 10:33:30
Create maintenance branch for 1.2, if ever needed (trunk will go Trac 1.3dev)
15729 by rjollos on 2016-08-23 01:28:12 Tag version and bump trunk to

Fixes #12846.



Author: pkropf
Contributors: cboos


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