27 Mar 2021 17:31:55 UTC
- Distribution: Graph-ReadWrite
- Module version: 2.10
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- License: perl_5
- Perl: v5.6.0
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- This version
- Latest versionNEILB Neil Bowers
Graph::Writer::Dot - write out directed graph in Dot format
use Graph; use Graph::Writer::Dot; $graph = Graph->new(); # add edges and nodes to the graph $writer = Graph::Writer::Dot->new(); $writer->write_graph($graph, 'mygraph.dot');
Graph::Writer::Dot is a class for writing out a directed graph in the file format used by the dot tool (part of the AT+T graphviz package). The graph must be an instance of the Graph class, which is actually a set of classes developed by Jarkko Hietaniemi.
Constructor - generate a new writer instance.
$writer = Graph::Writer::Dot->new();
This can take one optional argument that tell to cluster nodes in subgraphs by using the attribute passed as value. See:
$writer = Graph::Writer::Dot->new(cluster => 'group');
It will group nodes that have the the same value in the 'group' attribute.
Write a specific graph to a named file:
$fileargument can either be a filename, or a filehandle for a previously opened file.
The home page for the AT+T graphviz toolkit that includes the dot tool.
Jarkko Hietaniemi's modules for representing directed graphs, available from CPAN under modules/by-module/Graph/
- Algorithms in Perl
The O'Reilly book which has a chapter on directed graphs, which is based around Jarkko's modules.
The base-class for Graph::Writer::Dot
Neil Bowers <firstname.lastname@example.org>
Copyright (c) 2001-2012, Neil Bowers. All rights reserved. Copyright (c) 2001, Canon Research Centre Europe. All rights reserved.
This script is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
Module Install Instructions
To install Graph::ReadWrite, copy and paste the appropriate command in to your terminal.
perl -MCPAN -e shell install Graph::ReadWrite
For more information on module installation, please visit the detailed CPAN module installation guide.