[4] | 1 | /* |
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| 2 | |
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| 3 | * This program is free software; you can redistribute it and/or modify |
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| 4 | * it under the terms of the GNU General Public License as published by |
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| 5 | * the Free Software Foundation; either version 2 of the License, or |
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| 6 | * (at your option) any later version. |
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| 7 | * |
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| 8 | * This program is distributed in the hope that it will be useful, |
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| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 11 | * GNU General Public License for more details. |
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| 12 | * |
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| 13 | * You should have received a copy of the GNU General Public License |
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| 14 | * along with this program; if not, write to the Free Software |
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| 15 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 16 | */ |
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| 17 | /* |
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| 18 | * HierarchicalClusterer.java |
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| 19 | * Copyright (C) 2009 University of Waikato, Hamilton, New Zealand |
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| 20 | */ |
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| 21 | |
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| 22 | package weka.gui.hierarchyvisualizer; |
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| 23 | /** |
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| 24 | * Shows cluster trees represented in Newick format as dendrograms. |
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| 25 | * |
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| 26 | * @author Remco Bouckaert (rrb@xm.co.nz, remco@cs.waikato.ac.nz) |
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| 27 | * @version $Revision: 5996 $ |
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| 28 | */ |
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| 29 | import java.awt.Color; |
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| 30 | import java.awt.Container; |
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| 31 | import java.awt.Graphics; |
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| 32 | import java.awt.Graphics2D; |
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| 33 | import java.awt.event.ComponentEvent; |
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| 34 | import java.awt.event.ComponentListener; |
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| 35 | import java.util.Vector; |
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| 36 | |
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| 37 | import javax.swing.JFrame; |
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| 38 | |
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| 39 | import weka.gui.visualize.PrintablePanel; |
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| 40 | |
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| 41 | public class HierarchyVisualizer extends PrintablePanel implements ComponentListener { |
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| 42 | private static final long serialVersionUID = 1L; |
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| 43 | |
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| 44 | String m_sNewick; |
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| 45 | Node m_tree; |
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| 46 | int m_nLeafs; |
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| 47 | double m_fHeight; |
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| 48 | double m_fScaleX = 10; |
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| 49 | double m_fScaleY = 10; |
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| 50 | |
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| 51 | public HierarchyVisualizer(String sNewick) { |
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| 52 | try { |
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| 53 | parseNewick(sNewick); |
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| 54 | } catch (Exception e) { |
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| 55 | e.printStackTrace(); |
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| 56 | System.exit(0); |
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| 57 | } |
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| 58 | addComponentListener(this); |
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| 59 | } // c'tor |
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| 60 | |
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| 61 | int positionLeafs(Node node, int nPosX) { |
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| 62 | if (node.isLeaf()) { |
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| 63 | node.m_fPosX = nPosX + 0.5; |
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| 64 | nPosX++; |
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| 65 | return nPosX; |
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| 66 | } else { |
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| 67 | for (int i = 0; i < node.m_children.length; i++) { |
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| 68 | nPosX = positionLeafs(node.m_children[i], nPosX); |
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| 69 | } |
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| 70 | } |
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| 71 | return nPosX; |
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| 72 | } |
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| 73 | double positionRest(Node node) { |
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| 74 | if (node.isLeaf()) { |
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| 75 | return node.m_fPosX; |
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| 76 | } else { |
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| 77 | double fPosX = 0; |
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| 78 | for (int i = 0; i < node.m_children.length; i++) { |
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| 79 | fPosX += positionRest(node.m_children[i]); |
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| 80 | } |
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| 81 | fPosX /= node.m_children.length; |
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| 82 | node.m_fPosX = fPosX; |
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| 83 | return fPosX; |
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| 84 | } |
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| 85 | } |
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| 86 | double positionHeight(Node node, double fOffSet) { |
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| 87 | if (node.isLeaf()) { |
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| 88 | node.m_fPosY = fOffSet + node.m_fLength; |
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| 89 | return node.m_fPosY; |
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| 90 | } else { |
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| 91 | double fPosY = fOffSet + node.m_fLength; |
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| 92 | double fYMax = 0; |
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| 93 | for (int i = 0; i < node.m_children.length; i++) { |
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| 94 | fYMax = Math.max(fYMax, positionHeight(node.m_children[i], fPosY)); |
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| 95 | } |
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| 96 | node.m_fPosY = fPosY; |
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| 97 | return fYMax; |
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| 98 | } |
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| 99 | } |
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| 100 | |
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| 101 | //Vector<String> m_sMetaDataNames; |
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| 102 | /** class for nodes in building tree data structure **/ |
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| 103 | class Node { |
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| 104 | double m_fLength = -1; |
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| 105 | double m_fPosX = 0; |
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| 106 | double m_fPosY = 0; |
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| 107 | String m_sLabel; |
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| 108 | //Vector<String> m_sMetaDataValues; |
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| 109 | String m_sMetaData; |
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| 110 | |
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| 111 | |
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| 112 | /** list of children of this node **/ |
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| 113 | Node[] m_children; |
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| 114 | /** parent node in the tree, null if root **/ |
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| 115 | Node m_Parent = null; |
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| 116 | |
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| 117 | Node getParent() { |
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| 118 | return m_Parent; |
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| 119 | } |
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| 120 | |
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| 121 | void setParent(Node parent) { |
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| 122 | m_Parent = parent; |
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| 123 | } |
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| 124 | |
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| 125 | /** check if current node is root node **/ |
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| 126 | boolean isRoot() { |
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| 127 | return m_Parent == null; |
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| 128 | } |
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| 129 | boolean isLeaf() { |
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| 130 | return m_children == null; |
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| 131 | } |
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| 132 | |
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| 133 | /** return nr of children **/ |
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| 134 | int getChildCount() { |
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| 135 | // } |
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| 136 | if (m_children == null) {return 0;} |
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| 137 | return m_children.length; |
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| 138 | } |
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| 139 | |
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| 140 | Node getChild(int iChild) { |
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| 141 | return m_children[iChild]; |
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| 142 | } |
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| 143 | |
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| 144 | |
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| 145 | /** count number of nodes in tree, starting with current node **/ |
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| 146 | int getNodeCount() { |
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| 147 | if (m_children == null) { |
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| 148 | return 1; |
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| 149 | } |
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| 150 | int n = 1; |
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| 151 | for (int i = 0; i < m_children.length; i++) { |
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| 152 | n += m_children[i].getNodeCount(); |
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| 153 | } |
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| 154 | return n; |
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| 155 | } |
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| 156 | public String toString() { |
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| 157 | StringBuffer buf = new StringBuffer(); |
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| 158 | if (m_children != null) { |
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| 159 | buf.append("("); |
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| 160 | for (int i = 0; i < m_children.length-1; i++) { |
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| 161 | buf.append(m_children[i].toString()); |
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| 162 | buf.append(','); |
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| 163 | } |
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| 164 | buf.append(m_children[m_children.length - 1].toString()); |
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| 165 | buf.append(")"); |
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| 166 | } else { |
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| 167 | buf.append(m_sLabel); |
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| 168 | } |
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| 169 | if (m_sMetaData != null) { |
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| 170 | buf.append('['); |
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| 171 | buf.append(m_sMetaData); |
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| 172 | buf.append(']'); |
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| 173 | } |
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| 174 | buf.append(":" + m_fLength); |
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| 175 | return buf.toString(); |
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| 176 | } |
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| 177 | |
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| 178 | double draw(Graphics g) { |
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| 179 | if (isLeaf()) { |
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| 180 | int x = (int)(m_fPosX * m_fScaleX); |
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| 181 | int y = (int)(m_fPosY * m_fScaleY); |
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| 182 | g.drawString(m_sLabel, x, y); |
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| 183 | g.drawLine((int)(m_fPosX * m_fScaleX), (int)(m_fPosY * m_fScaleY), (int)(m_fPosX * m_fScaleX), (int)((m_fPosY - m_fLength) * m_fScaleY)); |
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| 184 | } else { |
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| 185 | double fPosX1 = Double.MAX_VALUE; |
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| 186 | double fPosX2 = -Double.MAX_VALUE; |
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| 187 | for (int i = 0; i < m_children.length; i++) { |
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| 188 | double f = m_children[i].draw(g); |
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| 189 | if (f < fPosX1) {fPosX1 = f;} |
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| 190 | if (f > fPosX2) {fPosX2 = f;} |
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| 191 | } |
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| 192 | g.drawLine((int)(m_fPosX * m_fScaleX), (int)(m_fPosY * m_fScaleY), (int)(m_fPosX * m_fScaleX), (int)((m_fPosY - m_fLength) * m_fScaleY)); |
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| 193 | g.drawLine((int)(fPosX1 * m_fScaleX), (int)(m_fPosY * m_fScaleY), (int)(fPosX2 * m_fScaleX), (int)(m_fPosY* m_fScaleY)); |
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| 194 | } |
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| 195 | return m_fPosX; |
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| 196 | } |
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| 197 | } // class Node |
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| 198 | |
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| 199 | /** helper method for parsing Newick tree **/ |
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| 200 | int nextNode(String sStr, int i) { |
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| 201 | int nBraces = 0; |
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| 202 | char c = sStr.charAt(i); |
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| 203 | do { |
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| 204 | i++; |
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| 205 | if (i < sStr.length()) { |
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| 206 | c = sStr.charAt(i); |
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| 207 | // skip meta data block |
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| 208 | if (c == '[') { |
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| 209 | while (i < sStr.length() && sStr.charAt(i)!=']') { |
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| 210 | i++; |
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| 211 | } |
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| 212 | i++; |
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| 213 | if(i < sStr.length()) { |
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| 214 | c = sStr.charAt(i); |
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| 215 | } |
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| 216 | } |
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| 217 | |
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| 218 | switch (c) { |
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| 219 | case '(': |
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| 220 | nBraces++; |
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| 221 | break; |
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| 222 | case ')': |
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| 223 | nBraces--; |
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| 224 | break; |
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| 225 | default: |
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| 226 | break; |
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| 227 | } |
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| 228 | } |
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| 229 | } while (i < sStr.length() |
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| 230 | && (nBraces > 0 || (c != ','&&c != ')'&&c != '('))); |
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| 231 | if (i >= sStr.length() || nBraces < 0) { |
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| 232 | return -1; |
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| 233 | } else if (sStr.charAt(i) == ')') { |
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| 234 | i++; |
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| 235 | if (sStr.charAt(i) == '[') { |
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| 236 | while (i < sStr.length() && sStr.charAt(i)!=']') { |
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| 237 | i++; |
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| 238 | } |
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| 239 | i++; |
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| 240 | if (i >= sStr.length()) { |
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| 241 | return -1; |
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| 242 | } |
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| 243 | } |
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| 244 | if (sStr.charAt(i) == ':') { |
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| 245 | i++; |
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| 246 | c = sStr.charAt(i); |
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| 247 | while (i < sStr.length() && (c=='.' || Character.isDigit(c))) { |
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| 248 | i++; |
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| 249 | if (i < sStr.length()) { |
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| 250 | c = sStr.charAt(i); |
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| 251 | } |
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| 252 | } |
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| 253 | } |
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| 254 | } |
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| 255 | return i; |
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| 256 | } |
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| 257 | |
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| 258 | /** |
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| 259 | * convert string containing Newick tree into tree datastructure but only in |
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| 260 | * the limited format as contained in m_sTrees |
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| 261 | * |
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| 262 | * @param sStr |
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| 263 | * @return tree consisting of a Node |
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| 264 | */ |
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| 265 | void parseNewick(String sNewick) throws Exception { |
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| 266 | m_sNewick = sNewick; |
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| 267 | int i = m_sNewick.indexOf('('); |
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| 268 | if (i > 0) { |
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| 269 | m_sNewick = m_sNewick.substring(i); |
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| 270 | } |
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| 271 | System.err.println(m_sNewick); |
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| 272 | m_tree = parseNewick2(m_sNewick); |
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| 273 | System.err.println(m_tree.toString()); |
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| 274 | m_nLeafs = positionLeafs(m_tree, 0); |
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| 275 | positionRest(m_tree); |
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| 276 | m_fHeight = positionHeight(m_tree, 0); |
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| 277 | } |
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| 278 | |
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| 279 | Node parseNewick2(String sStr) throws Exception { |
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| 280 | // System.out.println(sStr); |
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| 281 | if (sStr == null || sStr.length() == 0) { |
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| 282 | return null; |
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| 283 | } |
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| 284 | Node node = new Node(); |
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| 285 | if (sStr.startsWith("(")) { |
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| 286 | int i1 = nextNode(sStr, 0); |
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| 287 | int i2 = nextNode(sStr, i1); |
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| 288 | node.m_children = new Node[2]; |
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| 289 | node.m_children[0] = parseNewick2(sStr.substring(1, i1)); |
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| 290 | node.m_children[0].m_Parent = node; |
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| 291 | String sStr2 = sStr.substring(i1+1, (i2>0?i2:sStr.length())); |
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| 292 | node.m_children[1] = parseNewick2(sStr2); |
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| 293 | node.m_children[1].m_Parent = node; |
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| 294 | if (sStr.lastIndexOf('[') > sStr.lastIndexOf(')')) { |
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| 295 | sStr = sStr.substring(sStr.lastIndexOf('[')); |
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| 296 | i2 = sStr.indexOf(']'); |
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| 297 | if (i2 < 0) { |
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| 298 | throw new Exception("unbalanced square bracket found:" + sStr); |
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| 299 | } |
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| 300 | sStr2 = sStr.substring(1, i2); |
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| 301 | node.m_sMetaData = sStr2; |
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| 302 | } |
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| 303 | if (sStr.lastIndexOf(':') > sStr.lastIndexOf(')')) { |
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| 304 | sStr = sStr.substring(sStr.lastIndexOf(':')); |
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| 305 | sStr = sStr.replaceAll("[,\\):]", ""); |
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| 306 | node.m_fLength = new Double(sStr); |
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| 307 | } else { |
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| 308 | node.m_fLength = 1; |
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| 309 | } |
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| 310 | } else { |
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| 311 | // it is a leaf |
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| 312 | if (sStr.contains("[")) { |
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| 313 | // grab metadata |
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| 314 | int i1 = sStr.indexOf('['); |
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| 315 | int i2 = sStr.indexOf(']'); |
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| 316 | if (i2 < 0) { |
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| 317 | throw new Exception("unbalanced square bracket found:" + sStr); |
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| 318 | } |
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| 319 | String sStr2 = sStr.substring(i1+1, i2); |
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| 320 | sStr = sStr.substring(0, i1) +sStr.substring(i2+1); |
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| 321 | node.m_sMetaData = sStr2; |
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| 322 | } |
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| 323 | if (sStr.indexOf(')') >= 0) { |
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| 324 | sStr = sStr.substring(0, sStr.indexOf(')')); |
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| 325 | } |
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| 326 | sStr = sStr.replaceFirst("[,\\)]", ""); |
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| 327 | // System.out.println("parsing <<"+sStr+">>"); |
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| 328 | if (sStr.length() > 0) { |
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| 329 | if (sStr.indexOf(':') >= 0) { |
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| 330 | int iColon = sStr.indexOf(':'); |
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| 331 | node.m_sLabel = sStr.substring(0, iColon); |
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| 332 | if (sStr.indexOf(':', iColon+1) >= 0) { |
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| 333 | int iColon2 = sStr.indexOf(':', iColon+1); |
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| 334 | node.m_fLength = new Double(sStr.substring(iColon+1, iColon2)); |
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| 335 | m_fTmpLength = new Double(sStr.substring(iColon2+1)); |
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| 336 | } else { |
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| 337 | node.m_fLength = new Double(sStr.substring(iColon+1)); |
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| 338 | } |
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| 339 | } else { |
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| 340 | node.m_sLabel = sStr; |
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| 341 | node.m_fLength = 1; |
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| 342 | } |
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| 343 | } else { |
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| 344 | return null; |
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| 345 | } |
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| 346 | } |
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| 347 | return node; |
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| 348 | } |
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| 349 | double m_fTmpLength; |
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| 350 | |
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| 351 | /** |
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| 352 | * Fits the tree to the current screen size. Call this after window has been |
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| 353 | * created to get the entire tree to be in view upon launch. |
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| 354 | */ |
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| 355 | public void fitToScreen() { |
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| 356 | m_fScaleX = 10; |
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| 357 | int nW = getWidth(); |
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| 358 | if (m_nLeafs > 0) { |
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| 359 | m_fScaleX = nW / m_nLeafs; |
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| 360 | } |
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| 361 | m_fScaleY = 10; |
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| 362 | int nH = getHeight(); |
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| 363 | if (m_fHeight > 0) { |
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| 364 | m_fScaleY = (nH - 10) / m_fHeight; |
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| 365 | } |
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| 366 | repaint(); |
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| 367 | } |
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| 368 | |
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| 369 | /** |
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| 370 | * Updates the screen contents. |
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| 371 | * |
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| 372 | * @param g |
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| 373 | * the drawing surface. |
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| 374 | */ |
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| 375 | public void paintComponent(Graphics g) { |
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| 376 | Color oldBackground = ((Graphics2D) g).getBackground(); |
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| 377 | // if (m_BackgroundColor != null) |
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| 378 | ((Graphics2D) g).setBackground(Color.WHITE); |
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| 379 | g.clearRect(0, 0, getSize().width, getSize().height); |
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| 380 | ((Graphics2D) g).setBackground(oldBackground); |
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| 381 | g.setClip(3, 7, getWidth() - 6, getHeight() - 10); |
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| 382 | m_tree.draw(g); |
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| 383 | g.setClip(0, 0, getWidth(), getHeight()); |
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| 384 | } |
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| 385 | |
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| 386 | |
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| 387 | public void componentHidden(ComponentEvent e) {} |
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| 388 | |
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| 389 | public void componentMoved(ComponentEvent e) {} |
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| 390 | |
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| 391 | public void componentResized(ComponentEvent e) { |
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| 392 | fitToScreen(); |
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| 393 | } |
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| 394 | |
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| 395 | public void componentShown(ComponentEvent e) {} |
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| 396 | |
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| 397 | /** |
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| 398 | * Main method for testing this class. |
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| 399 | */ |
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| 400 | public static void main(String[] args) { |
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| 401 | //HierarchyVisualizer a = new HierarchyVisualizer("((((human:2.0,(chimp:1.0,bonobo:1.0):1.0):1.0,gorilla:3.0):1.0,siamang:4.0):1.0,orangutan:5.0)"); |
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| 402 | //HierarchyVisualizer a = new HierarchyVisualizer("(((human:2.0,(chimp:1.0,bonobo:1.0):1.0):1.0,gorilla:3.0):1.0,siamang:4.0)"); |
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| 403 | HierarchyVisualizer a = new HierarchyVisualizer(" (((5[theta=0.121335,lxg=0.122437]:0.00742795,3[theta=0.0972485,lxg=0.152762]:0.00742795)[theta=0.490359,lxg=0.0746703]:0.0183076,((2[theta=0.0866056,lxg=0.2295]:0.00993801,4[theta=0.135512,lxg=0.146674]:0.00993801)[theta=0.897783,lxg=0.0200762]:0.00901206,1[theta=0.200265,lxg=0.18925]:0.0189501)[theta=0.0946195,lxg=0.143427]:0.00678551)[theta=0.185562,lxg=0.139681]:0.0129598,(7[theta=0.176022,lxg=0.364039]:0.0320395,((0[theta=0.224286,lxg=0.156485]:0.0175487,8[theta=0.223313,lxg=0.157166]:0.0175487)[theta=0.631287,lxg=0.024042]:0.00758871,6[theta=0.337871,lxg=0.148799]:0.0251374)[theta=0.33847,lxg=0.040784]:0.00690208)[theta=0.209238,lxg=0.0636202]:0.00665587)[theta=0.560453,lxg=-0.138086]:0.01"); |
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| 404 | //HierarchyVisualizer a = new HierarchyVisualizer(" ((5[theta=0.121335,lxg=0.122437]:0.00742795,3[theta=0.0972485,lxg=0.152762]:0.00742795)[theta=0.490359,lxg=0.0746703]:0.0183076,2[theta=0.0866056,lxg=0.2295]:0.00993801)[theta=0.897783,lxg=0.0200762]:0.00901206"); |
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| 405 | a.setSize(800 ,600); |
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| 406 | JFrame f; |
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| 407 | f = new JFrame(); |
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| 408 | Container contentPane = f.getContentPane(); |
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| 409 | contentPane.add(a); |
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| 410 | f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); |
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| 411 | f.setSize(800,600); |
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| 412 | f.setVisible(true); |
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| 413 | a.fitToScreen(); |
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| 414 | } |
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| 415 | |
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| 416 | } // class HierarchyVisualizer |
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