Element "sub-graph"

Parents:graph, cluster
Child elements:node, record
Description:Combines nodes to groups with rank constraints. Different from clusters, another node which is not part of the group can be placed between the nodes of the group.

See documentation of attribute rank for more details.
Attributes:rank (required)
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Example 1/1:
Source code:
(graph ()
(node ((id "a1") (label "a")))
(node ((id "b1") (label "b")))
(sub-graph ((rank "same"))
(node ((id "c1") (style "filled") (label "c")))
(node ((id "d1") (style "filled") (label "d"))))
(node ((id "e1") (label "e")))
(node ((id "f1") (label "f")))
(edge ((from "a1") (to "b1")))
(edge ((from "b1") (to "c1")))
(edge ((from "c1") (to "d1")))
(edge ((from "d1") (to "e1")))
(edge ((from "e1") (to "f1"))))
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 Copyright 2006-2010 by Martin Loetzsch (http://martin-loetzsch.de), all rights reserved. See the S-Dot licence for details.