Graph::Reader::XML(3pm) User Contributed Perl Documentation Graph::Reader::XML(3pm)NAME
Graph::Reader::XML - class for reading a Graph instance from XML
SYNOPSIS
use Graph::Reader::XML;
use Graph;
$reader = Graph::Reader::XML->new();
$graph = $reader->read_graph('mygraph.xml');
DESCRIPTION
Graph::Reader::XML is a perl class used to read a directed graph stored as XML, and return an instance of the Graph class.
The XML format is designed to support the Graph classes: it can be used to represent a single graph with a collection of nodes, and edges
between those nodes. The graph, nodes, and edges can all have attributes specified,
Graph::Reader::XML is a subclass of Graph::Reader, which defines the generic interface for Graph reader classes.
METHODS
new()
Constructor - generate a new reader instance.
$reader = Graph::Reader::XML->new();
This doesn't take any arguments.
read_graph()
Read a graph from a file:
$graph = $reader->read_graph( $file );
The $file argument can be either a filename or a filehandle of a previously opened file.
KNOWN BUGS
Attribute values must be scalar. If they're not, well, you're on your own.
SEE ALSO
Graph::Reader
The base class for Graph::Reader::XML.
Graph::Writer::XML
Used to serialise a Graph instance as XML.
Graph
Jarkko Hietaniemi's classes for representing directed graphs.
AUTHOR
Neil Bowers <neil@bowers.com>
COPYRIGHT
Copyright (c) 2001-2012, Neil Bowers. All rights reserved. Copyright (c) 2001, Canon Research Centre Europe. All rights reserved.
This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
perl v5.14.2 2012-02-14 Graph::Reader::XML(3pm)
Check Out this Related Man Page
Graph::Writer::daVinci(3pm) User Contributed Perl Documentation Graph::Writer::daVinci(3pm)NAME
Graph::Writer::daVinci - write out directed graph in daVinci format
SYNOPSIS
use Graph;
use Graph::Writer::daVinci;
$graph = Graph->new();
# add edges and nodes to the graph
$writer = Graph::Writer::daVinci->new();
$writer->write_graph($graph, 'mygraph.davinci');
DESCRIPTION
Graph::Writer::daVinci is a class for writing out a directed graph in the file format used by the daVinci tool. The graph must be an
instance of the Graph class, which is actually a set of classes developed by Jarkko Hietaniemi.
METHODS
new()
Constructor - generate a new writer instance.
$writer = Graph::Writer::daVinci->new();
This doesn't take any arguments.
write_graph()
Write a specific graph to a named file:
$writer->write_graph($graph, $file);
The $file argument can either be a filename, or a filehandle for a previously opened file.
SEE ALSO
http://www.b-novative.de/
The home page for the daVinci.
Graph
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.
Graph::Writer
The base-class for Graph::Writer::daVinci
AUTHOR
Neil Bowers <neil@bowers.com>
COPYRIGHT
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.
perl v5.14.2 2012-02-14 Graph::Writer::daVinci(3pm)
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