001/* 002 * Copyright 2006 - 2013 003 * Stefan Balev <stefan.balev@graphstream-project.org> 004 * Julien Baudry <julien.baudry@graphstream-project.org> 005 * Antoine Dutot <antoine.dutot@graphstream-project.org> 006 * Yoann Pigné <yoann.pigne@graphstream-project.org> 007 * Guilhelm Savin <guilhelm.savin@graphstream-project.org> 008 * 009 * This file is part of GraphStream <http://graphstream-project.org>. 010 * 011 * GraphStream is a library whose purpose is to handle static or dynamic 012 * graph, create them from scratch, file or any source and display them. 013 * 014 * This program is free software distributed under the terms of two licenses, the 015 * CeCILL-C license that fits European law, and the GNU Lesser General Public 016 * License. You can use, modify and/ or redistribute the software under the terms 017 * of the CeCILL-C license as circulated by CEA, CNRS and INRIA at the following 018 * URL <http://www.cecill.info> or under the terms of the GNU LGPL as published by 019 * the Free Software Foundation, either version 3 of the License, or (at your 020 * option) any later version. 021 * 022 * This program is distributed in the hope that it will be useful, but WITHOUT ANY 023 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A 024 * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. 025 * 026 * You should have received a copy of the GNU Lesser General Public License 027 * along with this program. If not, see <http://www.gnu.org/licenses/>. 028 * 029 * The fact that you are presently reading this means that you have had 030 * knowledge of the CeCILL-C and LGPL licenses and that you accept their terms. 031 */ 032package org.graphstream.algorithm.generator.lcf; 033 034import org.graphstream.algorithm.generator.LCFGenerator; 035 036/** 037 * Build a Foster graph. 038 * 039 * <dl> 040 * <dt>Nodes</dt> 041 * <dd>90</dd> 042 * <dt>LCF</dt> 043 * <dd>[17,-9,37,-37,9,-17]^15</dd> 044 * </dl> 045 * 046 * @reference Foster, R. M. "Geometrical Circuits of Electrical Networks." 047 * Trans. Amer. Inst. Elec. Engin. 51, 309-317, 1932. 048 * 049 */ 050public class FosterGraphGenerator extends LCFGenerator { 051 /** 052 * LCF notation of a Foster graph. 053 */ 054 public static final LCF FOSTER_GRAPH_LCF = new LCF(15, 17, -9, 37, -37, 9, 055 -17); 056 057 public FosterGraphGenerator() { 058 super(FOSTER_GRAPH_LCF, 90, false); 059 } 060}