Help/GraphVizPlugin

The GraphViz plugin passes all its arguments to the grapviz dot binary and displays the result as cached image (PNG,GIF,SVG) or imagemap. See http://www.graphviz.org/Documentation.php, esp. http://www.graphviz.org/doc/info/lang.html for the dot language specs.

Notes

• We support all image types supported by GD so far, PNG most likely.
• On imgtype = imap, cpamx, ismap, cmap an additional mapfile will be produced.

Usage

<<GraphViz [options...]
   multiline dot script ...
>>

Arguments

imgtype	Default: png
alt	img alt text.
pages	<! plugin-list support !> encoded as pagename = [ URL = url ]
exclude	Exclude pages
help	Display argument help.

Example

<<GraphViz
digraph automata_0 {
        size ="8.5, 11";
        node  [ shape  = circle];
        0 [ style = filled, color=lightgrey ];
        2 [ shape = doublecircle ];
        0 -> 2 [ label = "a " ];
        0 -> 1 [ label = "other " ];
        1 -> 2 [ label = "a " ];
        1 -> 1 [ label = "other " ];
        2 -> 2 [ label = "a " ];
        2 -> 1 [ label = "other " ];
        "Machine: a" [ shape = plaintext ];
}
>>

is rendered as

Plugin GraphViz failed. sh: /usr/bin/dot: not found
PhpWiki Warning: (512, GraphViz error: outputfile “/tmp/cache/GraphVizlUX7MG.png” not created cmd-line: /usr/bin/dot -Tpng -o /tmp/cache/GraphVizlUX7MG.png, /var/www/phpwiki/lib/WikiPluginCached.php, 920)

Author

• Reini Urban