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sccmap (1)
  • >> sccmap (1) ( Linux man: Команды и прикладные программы пользовательского уровня )
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    NAME

    sccmap - extract strongly connected components of directed graphs
     
    

    SYNOPSIS

    sccmap [-dsv] [ files ]  

    DESCRIPTION

    sccmap decomposes digraphs into strongly connected components and an auxiliary map of the relationship between components. In this map, each component is collapsed into a node. The resulting graphs are printed to standard out. The number of nodes, edges and strongly connected components are printed to standard error. sccmap is a way of partitioning large graphs into more managable pieces.  

    OPTIONS

    The following options are supported:
    -d
    Preserve degenerate components of only one node.
    -s
    Do not print the resulting graphs. Only the statistics are important.
    -v
    Generate additional statistics. In particular, sccmap prints the number of nodes, edges, connected components, and strongly connected components, followed by the fraction of nodes in a non-trivial strongly connected components, the maximum degree of the graph, and fraction of non-tree edges in the graph.
     

    OPERANDS

    The following operand is supported:
    files
    Names of files containing 1 or more graphs in dot format. If no files operand is specified, the standard input will be used.
     

    DIAGNOSTICS

    sccmap emits a warning if it encounters an undirected graph, and ignores it.  

    AUTHORS

    Stephen C. North <north@research.att.com>
    Emden R. Gansner <erg@research.att.com>  

    SEE ALSO

    gc(1), dot(1), acyclic(1), gvpr(1), gvcolor(1), ccomps(1), tred(1), libgraph(3)


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    OPTIONS
    OPERANDS
    DIAGNOSTICS
    AUTHORS
    SEE ALSO


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