1.1 --- a/doc/lgf.dox Tue Nov 16 08:19:11 2010 +0100
1.2 +++ b/doc/lgf.dox Thu Nov 25 22:45:29 2010 +0100
1.3 @@ -63,11 +63,28 @@
1.4 3 (40,10) 10 "Third node"
1.5 \endcode
1.6
1.7 -The \c \@arcs section is very similar to the \c \@nodes section, it
1.8 -again starts with a header line describing the names of the maps, but
1.9 -the \c "label" map is not obligatory here. The following lines
1.10 -describe the arcs. The first two tokens of each line are the source
1.11 -and the target node of the arc, respectively, then come the map
1.12 +The \e LGF files can also contain bipartite graphs, in this case a
1.13 +\c @red_nodes and a \c @blue_nodes sections describe the node set of the
1.14 +graph. If a map is in both of these sections, then it can be used as a
1.15 +regular node map.
1.16 +
1.17 +\code
1.18 + @red_nodes
1.19 + label only_red_map name
1.20 + 1 "cherry" "John"
1.21 + 2 "Santa Claus" "Jack"
1.22 + 3 "blood" "Jason"
1.23 + @blue_nodes
1.24 + label name
1.25 + 4 "Elisabeth"
1.26 + 5 "Eve"
1.27 +\endcode
1.28 +
1.29 +The \c \@arcs section is very similar to the \c \@nodes section,
1.30 +it again starts with a header line describing the names of the maps,
1.31 +but the \c "label" map is not obligatory here. The following lines
1.32 +describe the arcs. The first two tokens of each line are
1.33 +the source and the target node of the arc, respectively, then come the map
1.34 values. The source and target tokens must be node labels.
1.35
1.36 \code