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GOBLIN Graph Library 2.8b22 (Default branch)

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Special Forums News, Links, Events and Announcements Software Releases - RSS News GOBLIN Graph Library 2.8b22 (Default branch)
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Old 05-08-2008
GOBLIN Graph Library 2.8b22 (Default branch)
ImageThe GOBLIN project consists of a C++ class libraryfor a large series of graph optimization problems,GOSH, an extension of the Tcl/Tk scriptinglanguage to graph objects, and GOBLET, a graphicaluser interface to the library functions. GOBLETincludes a graph editor and supports the standardgraph layout methods.License: GNU Lesser General Public License (LGPL)Changes:
This release deals with several code cleanup steps. The module guards have been applied throughout the library. The layout methods now support the tracing mechanism (as the optimization code does). The HTML documentation now covers the code instrumentation.Image

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graph::easy::layout::force

Graph::Easy::Layout::Force(3pm) 			User Contributed Perl Documentation			   Graph::Easy::Layout::Force(3pm)

NAME

       Graph::Easy::Layout::Force - Force-based layouter for Graph::Easy

SYNOPSIS

	       use Graph::Easy;

	       my $graph = Graph::Easy->new();

	       $graph->add_edge ('Bonn', 'Berlin');
	       $graph->add_edge ('Bonn', 'Ulm');
	       $graph->add_edge ('Ulm', 'Berlin');

	       $graph->layout( type => 'force' );

	       print $graph->as_ascii( );

	       # prints:

	       #   +------------------------+
	       #   |			    v
	       # +------+     +-----+	  +--------+
	       # | Bonn | --> | Ulm | --> | Berlin |
	       # +------+     +-----+	  +--------+

DESCRIPTION

       "Graph::Easy::Layout::Force" contains routines that calculate a force-based layout for a graph.

       Nodes repell each other, while edges connecting them draw them together.

       The layouter calculates the forces on each node, then moves them around according to these forces until things have settled down.

       Used automatically by Graph::Easy.

EXPORT

       Exports nothing.

SEE ALSO

       Graph::Easy.

METHODS

       This module injects the following methods into Graph::Easy:

   _layout_force()
       Calculates the node position with a force-based method.

AUTHOR

       Copyright (C) 2004 - 2007 by Tels <http://bloodgate.com>.

       See the LICENSE file for information.

perl v5.14.2							    2011-12-23					   Graph::Easy::Layout::Force(3pm)