A 2D/3D force directed graph algorithm in C#

/*! 
@file Pair.cs
@author Woong Gyu La a.k.a Chris. 
		
@date September 27 2013
@brief Pair Interface
@version 2.0

@section LICENSE

The MIT License （MIT）

Copyright （c） 2013 Woong Gyu La 

Permission is hereby granted free of charge to any person obtaining a copy
of this software and associated documentation files （the “Software“） to deal
in the Software without restriction including without limitation the rights
to use copy modify merge publish distribute sublicense and/or sell
copies of the Software and to permit persons to whom the Software is
furnished to do so subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED “AS IS“ WITHOUT WARRANTY OF ANY KIND EXPRESS OR
IMPLIED INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 

 属性            大小     日期    时间   名称
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     文件        3248  2014-10-26 18:04  EpForceDirectedGraph.cs\EpForceDirectedGraph.cs\EpForceDirectedGraph.cs.csproj
     文件        1872  2014-10-26 18:00  EpForceDirectedGraph.cs\EpForceDirectedGraph.cs\General\Pair.cs
     文件        2525  2014-10-26 18:00  EpForceDirectedGraph.cs\EpForceDirectedGraph.cs\General\PriorityQueue.cs
     文件        2020  2014-10-26 18:00  EpForceDirectedGraph.cs\EpForceDirectedGraph.cs\General\SingletonHolder.cs
     文件        1948  2014-10-26 18:00  EpForceDirectedGraph.cs\EpForceDirectedGraph.cs\General\Triple.cs
     文件        1770  2014-10-26 18:00  EpForceDirectedGraph.cs\EpForceDirectedGraph.cs\General\Util.cs
     文件        3881  2014-10-26 18:00  EpForceDirectedGraph.cs\EpForceDirectedGraph.cs\Graph\Edge.cs
     文件       11904  2014-10-26 21:20  EpForceDirectedGraph.cs\EpForceDirectedGraph.cs\Graph\Graph.cs
     文件        2497  2014-10-26 20:50  EpForceDirectedGraph.cs\EpForceDirectedGraph.cs\Graph\GraphData.cs
     文件        3782  2014-10-26 18:36  EpForceDirectedGraph.cs\EpForceDirectedGraph.cs\Graph\Node.cs
     文件        2408  2014-10-26 18:00  EpForceDirectedGraph.cs\EpForceDirectedGraph.cs\Interfaces\IForceDirected.cs
     文件        2748  2014-10-26 18:01  EpForceDirectedGraph.cs\EpForceDirectedGraph.cs\Interfaces\IGraph.cs
     文件        1652  2014-10-26 18:00  EpForceDirectedGraph.cs\EpForceDirectedGraph.cs\Interfaces\IRenderer.cs
     文件        2187  2014-10-26 18:00  EpForceDirectedGraph.cs\EpForceDirectedGraph.cs\Interfaces\IVector.cs
     文件        2528  2014-10-26 18:00  EpForceDirectedGraph.cs\EpForceDirectedGraph.cs\Layout\AbstractRenderer.cs
     文件        5241  2014-10-26 18:00  EpForceDirectedGraph.cs\EpForceDirectedGraph.cs\Layout\AbstractVector.cs
     文件        6770  2014-10-26 18:01  EpForceDirectedGraph.cs\EpForceDirectedGraph.cs\Layout\FDGVector2.cs
     文件        6747  2014-10-26 18:01  EpForceDirectedGraph.cs\EpForceDirectedGraph.cs\Layout\FDGVector3.cs
     文件       16135  2014-10-26 18:00  EpForceDirectedGraph.cs\EpForceDirectedGraph.cs\Layout\ForceDirected.cs
     文件        4039  2014-10-26 18:00  EpForceDirectedGraph.cs\EpForceDirectedGraph.cs\Layout\Point.cs
     文件        2175  2014-10-26 18:00  EpForceDirectedGraph.cs\EpForceDirectedGraph.cs\Layout\Spring.cs
     文件        1458  2014-10-26 17:57  EpForceDirectedGraph.cs\EpForceDirectedGraph.cs\Properties\AssemblyInfo.cs
     文件         959  2014-10-26 17:57  EpForceDirectedGraph.cs\EpForceDirectedGraph.cs.sln
     文件       49152  2014-10-26 18:01  EpForceDirectedGraph.cs\EpForceDirectedGraph.cs.suo
     文件         404  2014-10-26 18:03  EpForceDirectedGraphDemo.cs\DoubleBufferPanel.cs
     文件       30720  2014-04-23 20:07  EpForceDirectedGraphDemo.cs\EpForceDirectedGraph.suo
     文件        4288  2014-10-26 18:02  EpForceDirectedGraphDemo.cs\EpForceDirectedGraphDemo.csproj
     文件        2643  2014-10-26 18:02  EpForceDirectedGraphDemo.cs\EpForceDirectedGraphDemo.sln
     文件       61952  2014-10-26 21:53  EpForceDirectedGraphDemo.cs\EpForceDirectedGraphDemo.suo
     文件       14612  2014-10-26 18:02  EpForceDirectedGraphDemo.cs\ForceDirectedGraphDemo.cs
     文件       15922  2014-10-26 18:03  EpForceDirectedGraphDemo.cs\ForceDirectedGraphDemo.Designer.cs
............此处省略11个文件信息