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| author | Daniel Wolff |
|---|---|
| date | Fri, 19 Aug 2016 13:07:06 +0200 |
| parents | |
| children |
| rev | line source |
|---|---|
| Daniel@0 | 1 .TH UNFLATTEN 1 "21 January 2001" |
| Daniel@0 | 2 .SH NAME |
| Daniel@0 | 3 unflatten \- adjust directed graphs to improve layout aspect ratio |
| Daniel@0 | 4 .SH SYNOPSIS |
| Daniel@0 | 5 .B unflatten |
| Daniel@0 | 6 [\fB\-f\fR] |
| Daniel@0 | 7 [\fB\-l\fIlen\fR] |
| Daniel@0 | 8 [\fB\-c\fIlen\fR |
| Daniel@0 | 9 ] [ |
| Daniel@0 | 10 .B \-o |
| Daniel@0 | 11 .I outfile |
| Daniel@0 | 12 ] |
| Daniel@0 | 13 [ files ] |
| Daniel@0 | 14 .SH DESCRIPTION |
| Daniel@0 | 15 .B unflatten |
| Daniel@0 | 16 is a preprocessor to |
| Daniel@0 | 17 .B dot |
| Daniel@0 | 18 that is |
| Daniel@0 | 19 used to improve the aspect ratio of graphs having many leaves |
| Daniel@0 | 20 or disconnected nodes. |
| Daniel@0 | 21 The usual layout for such a graph is generally very wide or tall. |
| Daniel@0 | 22 .B unflatten |
| Daniel@0 | 23 inserts invisible edges or adjusts the \fBminlen\fP on edges |
| Daniel@0 | 24 to improve layout compaction. |
| Daniel@0 | 25 .SH OPTIONS |
| Daniel@0 | 26 The following options are supported: |
| Daniel@0 | 27 .TP |
| Daniel@0 | 28 .BI \-l " len" |
| Daniel@0 | 29 The minimum length of leaf edges is staggered |
| Daniel@0 | 30 between 1 and \fIlen\fP (a small integer). |
| Daniel@0 | 31 .TP |
| Daniel@0 | 32 .B \-f |
| Daniel@0 | 33 Enables the staggering of the \fB-l\fP option to fanout nodes whose |
| Daniel@0 | 34 indegree and outdegree are both 1. This helps with structures such |
| Daniel@0 | 35 as \fIa -> {w x y z} -> b\fP. |
| Daniel@0 | 36 This option only works if the \fB-l\fP flag is set. |
| Daniel@0 | 37 .TP |
| Daniel@0 | 38 .BI \-c " len" |
| Daniel@0 | 39 Form disconnected nodes into chains of up to \fIlen\fP nodes. |
| Daniel@0 | 40 .TP |
| Daniel@0 | 41 .BI \-o " outfile" |
| Daniel@0 | 42 causes the output to be written to the specified file; by default, |
| Daniel@0 | 43 output is written to \fBstdout\fP. |
| Daniel@0 | 44 .SH OPERANDS |
| Daniel@0 | 45 The following operand is supported: |
| Daniel@0 | 46 .TP 8 |
| Daniel@0 | 47 .I files |
| Daniel@0 | 48 Names of files containing 1 or more graphs in dot format. |
| Daniel@0 | 49 If no |
| Daniel@0 | 50 .I files |
| Daniel@0 | 51 operand is specified, |
| Daniel@0 | 52 the standard input will be used. |
| Daniel@0 | 53 .SH AUTHORS |
| Daniel@0 | 54 Stephen C. North <north@research.att.com> |
| Daniel@0 | 55 .br |
| Daniel@0 | 56 Emden R. Gansner <erg@research.att.com> |
| Daniel@0 | 57 .SH "SEE ALSO" |
| Daniel@0 | 58 gc(1), dot(1), acyclic(1), gvpr(1), gvcolor(1), ccomps(1), tred(1), libgraph(3) |