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comparison toolboxes/graph_visualisation/share/man/man1/tred.1 @ 0:e9a9cd732c1e tip
first hg version after svn
author | wolffd |
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date | Tue, 10 Feb 2015 15:05:51 +0000 |
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1 .TH TRED 1 "21 March 2001" | |
2 .SH NAME | |
3 tred \- transitive reduction filter for directed graphs | |
4 .SH SYNOPSIS | |
5 .B tred | |
6 [ | |
7 .I files | |
8 ] | |
9 .SH DESCRIPTION | |
10 .B tred | |
11 computes the transitive reduction of directed graphs, | |
12 and prints the resulting graphs to standard output. | |
13 This removes edges implied by transitivity. | |
14 Nodes and subgraphs are not otherwise affected. | |
15 The ``meaning'' and validity of the reduced graphs | |
16 is application dependent. | |
17 .B tred | |
18 is particularly useful as a preprocessor to | |
19 .I dot | |
20 to reduce clutter in dense layouts. | |
21 .PP | |
22 Undirected graphs are silently ignored. | |
23 .SH OPERANDS | |
24 The following operand is supported: | |
25 .TP 8 | |
26 .I files | |
27 Names of files containing 1 or more graphs in dot format. | |
28 If no | |
29 .I files | |
30 operand is specified, | |
31 the standard input will be used. | |
32 .SH "BUGS" | |
33 Using bitmaps internally would substantially decrease running time. | |
34 .SH "DIAGNOSTICS" | |
35 If a graph has cycles, its transitive reduction is not uniquely defined. | |
36 In this case \fItred\fP emits a warning. | |
37 .SH AUTHORS | |
38 Stephen C. North <north@research.att.com> | |
39 .br | |
40 Emden R. Gansner <erg@research.att.com> | |
41 .SH "SEE ALSO" | |
42 gc(1), dot(1), acyclic(1), gvpr(1), gvcolor(1), ccomps(1), sccmap(1), libgraph(3) |