svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.geometry / org.gvsig.fmap.geometry.impl / src / main / java / org / gvsig / fmap / geom / primitive / impl / Ellipse2D.java @ 40435
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1 | 40435 | jjdelcerro | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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2 | *
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3 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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4 | *
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5 | * This program is free software; you can redistribute it and/or
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6 | * modify it under the terms of the GNU General Public License
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7 | * as published by the Free Software Foundation; either version 2
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8 | * of the License, or (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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18 | *
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19 | * For more information, contact:
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20 | *
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21 | * Generalitat Valenciana
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22 | * Conselleria d'Infraestructures i Transport
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23 | * Av. Blasco Ib??ez, 50
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24 | * 46010 VALENCIA
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25 | * SPAIN
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26 | *
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27 | * +34 963862235
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28 | * gvsig@gva.es
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29 | * www.gvsig.gva.es
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30 | *
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31 | * or
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32 | *
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33 | * IVER T.I. S.A
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34 | * Salamanca 50
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35 | * 46005 Valencia
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36 | * Spain
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37 | *
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38 | * +34 963163400
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39 | * dac@iver.es
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40 | */
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41 | package org.gvsig.fmap.geom.primitive.impl; |
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42 | |||
43 | import java.awt.geom.AffineTransform; |
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44 | import java.awt.geom.Arc2D; |
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45 | import java.awt.geom.Point2D; |
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46 | import java.awt.geom.Rectangle2D; |
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47 | import java.util.ArrayList; |
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48 | |||
49 | import org.cresques.cts.IProjection; |
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50 | import org.gvsig.fmap.geom.Geometry; |
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51 | import org.gvsig.fmap.geom.handler.AbstractHandler; |
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52 | import org.gvsig.fmap.geom.handler.CuadrantHandler; |
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53 | import org.gvsig.fmap.geom.handler.Handler; |
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54 | import org.gvsig.fmap.geom.primitive.Ellipse; |
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55 | import org.gvsig.fmap.geom.primitive.FShape; |
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56 | import org.gvsig.fmap.geom.primitive.GeneralPathX; |
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57 | import org.gvsig.fmap.geom.primitive.Point; |
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58 | import org.gvsig.fmap.geom.type.GeometryType; |
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59 | import org.gvsig.fmap.geom.util.UtilFunctions; |
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60 | |||
61 | /**
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62 | * DOCUMENT ME!
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63 | *
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64 | * @author Vicente Caballero Navarro
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65 | */
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66 | public class Ellipse2D extends Surface2D implements Ellipse { |
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67 | private static final long serialVersionUID = 7624230115118134004L; |
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68 | |||
69 | private Point2D init; |
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70 | private Point2D end; |
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71 | private double ydist; |
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72 | |||
73 | /**
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74 | * The constructor with the GeometryType like and argument
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75 | * is used by the {@link GeometryType}{@link #create()}
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76 | * to create the geometry
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77 | * @param type
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78 | * The geometry type
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79 | */
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80 | public Ellipse2D(GeometryType geometryType) { |
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81 | super(geometryType);
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82 | } |
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83 | |||
84 | /**
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85 | * Constructor used in the {@link Geometry#cloneGeometry()} method
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86 | * @param id
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87 | * @param projection
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88 | * @param gpx
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89 | * @param i
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90 | * @param e
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91 | * @param d
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92 | */
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93 | Ellipse2D(GeometryType geometryType,String id, IProjection projection, GeneralPathX gpx, |
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94 | Point2D i, Point2D e, double d) { |
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95 | super(geometryType, id, projection, gpx);
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96 | init = i; |
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97 | end = e; |
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98 | ydist = d; |
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99 | } |
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100 | |||
101 | /*
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102 | * (non-Javadoc)
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103 | * @see org.gvsig.fmap.geom.primitive.impl.Surface2D#cloneFShape()
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104 | */
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105 | public FShape cloneFShape() {
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106 | return new Ellipse2D(getGeometryType(), id, projection, (GeneralPathX) gp.clone(), init, |
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107 | end, ydist); |
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108 | } |
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109 | |||
110 | /*
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111 | * (non-Javadoc)
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112 | * @see org.gvsig.fmap.geom.primitive.impl.Surface2D#getShapeType()
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113 | */
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114 | public int getShapeType() { |
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115 | return TYPES.ELLIPSE;
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116 | } |
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117 | |||
118 | /*
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119 | * (non-Javadoc)
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120 | * @see org.gvsig.fmap.geom.primitive.impl.OrientablePrimitive2D#transform(java.awt.geom.AffineTransform)
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121 | */
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122 | public void transform(AffineTransform at) { |
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123 | |||
124 | if (at == null) { |
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125 | return;
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126 | } |
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127 | |||
128 | Point2D center = new Point2D.Double((init.getX() + end.getX()) / 2, |
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129 | (init.getY() + end.getY()) / 2);
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130 | Point2D pdist = UtilFunctions.getPerpendicularPoint(init, end, center,
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131 | ydist); |
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132 | Point2D aux1 = new Point2D.Double(); |
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133 | at.transform(init, aux1); |
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134 | init = aux1; |
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135 | Point2D aux2 = new Point2D.Double(); |
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136 | at.transform(end, aux2); |
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137 | end = aux2; |
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138 | |||
139 | center = new Point2D.Double((init.getX() + end.getX()) / 2, (init |
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140 | .getY() + end.getY()) / 2);
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141 | |||
142 | Point2D aux3 = new Point2D.Double(); |
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143 | at.transform(pdist, aux3); |
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144 | ydist = center.distance(aux3); |
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145 | gp.transform(at); |
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146 | } |
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147 | |||
148 | /*
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149 | * (non-Javadoc)
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150 | * @see org.gvsig.fmap.geom.primitive.impl.OrientablePrimitive2D#getStretchingHandlers()
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151 | */
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152 | public Handler[] getStretchingHandlers() { |
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153 | ArrayList handlers = new ArrayList(); |
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154 | Rectangle2D rect = this.getBounds2D(); |
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155 | handlers |
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156 | .add(new CenterHandler(0, rect.getCenterX(), rect.getCenterY())); |
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157 | return (Handler[]) handlers.toArray(new Handler[0]); |
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158 | } |
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159 | |||
160 | /*
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161 | * (non-Javadoc)
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162 | * @see org.gvsig.fmap.geom.primitive.impl.OrientablePrimitive2D#getSelectHandlers()
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163 | */
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164 | public Handler[] getSelectHandlers() { |
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165 | ArrayList handlers = new ArrayList(); |
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166 | Rectangle2D rect = this.getBounds2D(); |
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167 | handlers.add(new CenterSelHandler(0, rect.getCenterX(), rect |
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168 | .getCenterY())); |
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169 | handlers.add(new InitSelHandler(1, init.getX(), init.getY())); |
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170 | handlers.add(new EndSelHandler(2, end.getX(), end.getY())); |
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171 | Point2D mediop = new Point2D.Double((end.getX() + init.getX()) / 2, |
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172 | (end.getY() + init.getY()) / 2);
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173 | Point2D[] p = UtilFunctions.getPerpendicular(init, end, mediop); |
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174 | Point2D u = UtilFunctions.getPoint(mediop, p[1], ydist); |
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175 | Point2D d = UtilFunctions.getPoint(mediop, p[1], -ydist); |
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176 | |||
177 | handlers.add(new RadioSelYHandler(3, u.getX(), u.getY())); |
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178 | handlers.add(new RadioSelYHandler(4, d.getX(), d.getY())); |
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179 | |||
180 | return (Handler[]) handlers.toArray(new Handler[0]); |
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181 | } |
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182 | |||
183 | /**
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184 | * DOCUMENT ME!
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185 | *
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186 | * @author Vicente Caballero Navarro
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187 | */
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188 | class CenterHandler extends AbstractHandler implements Handler { |
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189 | /**
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190 | * Crea un nuevo PointHandler.
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191 | *
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192 | * @param i
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193 | * DOCUMENT ME!
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194 | * @param x
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195 | * DOCUMENT ME!
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196 | * @param y
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197 | * DOCUMENT ME!
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198 | */
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199 | public CenterHandler(int i, double x, double y) { |
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200 | point = new Point2D.Double(x, y); |
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201 | index = i; |
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202 | } |
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203 | |||
204 | /**
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205 | * DOCUMENT ME!
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206 | *
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207 | * @param x
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208 | * DOCUMENT ME!
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209 | * @param y
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210 | * DOCUMENT ME!
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211 | *
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212 | * @return DOCUMENT ME!
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213 | */
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214 | public void move(double x, double y) { |
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215 | Point point;
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216 | for (int i = 0; i < gp.getNumCoords() ; i++) { |
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217 | point = gp.getPointAt(i); |
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218 | point.setX(point.getX() + x); |
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219 | point.setY(point.getY() + y); |
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220 | } |
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221 | init = new Point2D.Double(init.getX() + x, init.getY() + y); |
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222 | end = new Point2D.Double(end.getX() + x, end.getY() + y); |
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223 | } |
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224 | |||
225 | /**
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226 | * @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
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227 | */
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228 | public void set(double x, double y) { |
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229 | } |
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230 | } |
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231 | |||
232 | /**
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233 | * DOCUMENT ME!
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234 | *
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235 | * @author Vicente Caballero Navarro
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236 | */
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237 | class CenterSelHandler extends AbstractHandler implements Handler { |
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238 | /**
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239 | * Crea un nuevo PointHandler.
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240 | *
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241 | * @param i
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242 | * DOCUMENT ME!
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243 | * @param x
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244 | * DOCUMENT ME!
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245 | * @param y
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246 | * DOCUMENT ME!
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247 | */
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248 | public CenterSelHandler(int i, double x, double y) { |
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249 | point = new Point2D.Double(x, y); |
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250 | index = i; |
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251 | } |
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252 | |||
253 | /**
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254 | * DOCUMENT ME!
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255 | *
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256 | * @param x
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257 | * DOCUMENT ME!
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258 | * @param y
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259 | * DOCUMENT ME!
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260 | *
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261 | * @return DOCUMENT ME!
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262 | */
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263 | public void move(double x, double y) { |
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264 | Point point;
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265 | for (int i = 0; i < gp.getNumCoords() ; i++) { |
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266 | point = gp.getPointAt(i); |
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267 | point.setX(point.getX() + x); |
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268 | point.setY(point.getY() + y); |
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269 | } |
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270 | } |
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271 | |||
272 | /**
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273 | * @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
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274 | */
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275 | public void set(double x, double y) { |
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276 | Point2D center = new Point2D.Double((init.getX() + end.getX()) / 2, |
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277 | (init.getY() + end.getY()) / 2);
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278 | double dx = x - center.getX();
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279 | double dy = y - center.getY();
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280 | Point point;
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281 | for (int i = 0; i < gp.getNumCoords() ; i++) { |
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282 | point = gp.getPointAt(i); |
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283 | point.setX(point.getX() + dx); |
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284 | point.setY(point.getY() + dy); |
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285 | } |
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286 | init = new Point2D.Double(init.getX() + dx, init.getY() + dy); |
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287 | end = new Point2D.Double(end.getX() + dx, end.getY() + dy); |
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288 | } |
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289 | } |
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290 | |||
291 | /**
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292 | * DOCUMENT ME!
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293 | *
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294 | * @author Vicente Caballero Navarro
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295 | */
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296 | class InitSelHandler extends AbstractHandler implements CuadrantHandler { |
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297 | /**
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298 | * Crea un nuevo PointHandler.
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299 | *
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300 | * @param i
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301 | * DOCUMENT ME!
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302 | * @param x
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303 | * DOCUMENT ME!
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304 | * @param y
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305 | * DOCUMENT ME!
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306 | */
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307 | public InitSelHandler(int i, double x, double y) { |
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308 | point = new Point2D.Double(x, y); |
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309 | index = i; |
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310 | } |
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311 | |||
312 | /**
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313 | * DOCUMENT ME!
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314 | *
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315 | * @param x
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316 | * DOCUMENT ME!
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317 | * @param y
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318 | * DOCUMENT ME!
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319 | *
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320 | * @return DOCUMENT ME!
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321 | */
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322 | public void move(double x, double y) { |
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323 | |||
324 | } |
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325 | |||
326 | /**
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327 | * @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
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328 | */
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329 | public void set(double x, double y) { |
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330 | // TODO comentado para quitar warning: double dx=x-init.getX();
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331 | // TODO comentado para quitar warning: double dy=y-init.getY();
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332 | Point2D center = new Point2D.Double((init.getX() + end.getX()) / 2, |
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333 | (init.getY() + end.getY()) / 2);
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334 | // Point2D[]
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335 | // p1=TrigonometricalFunctions.getPerpendicular(init,end,center);
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336 | // Point2D[]
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337 | // p2=TrigonometricalFunctions.getPerpendicular(p1[0],p1[1],new
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338 | // Point2D.Double(x,y));
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339 | |||
340 | // Point2D
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341 | // pl=TrigonometricalFunctions.getIntersection(p2[0],p2[1],p1[0],p1[1]);
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342 | // double xdist=2*pl.distance(x,y);
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343 | double xdist = 2 * center.distance(x, y); |
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344 | // init=new Point2D.Double(init.getX()+dx,init.getY()+dy);
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345 | init = UtilFunctions.getPoint(center, init, center.distance(x, y)); |
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346 | end = UtilFunctions.getPoint(init, center, xdist); |
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347 | Arc2D.Double arc = new Arc2D.Double(init.getX(), init.getY() |
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348 | - ydist, xdist, 2 * ydist, 0, 360, Arc2D.OPEN); |
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349 | // TODO comentado para quitar warning: Point2D rotationPoint = new
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350 | // Point2D.Double(init.getX() + xdist /2, init.getY());
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351 | |||
352 | double angle = UtilFunctions.getAngle(init, end);
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353 | AffineTransform mT = AffineTransform.getRotateInstance(angle, init |
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354 | .getX(), init.getY()); |
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355 | gp = new GeneralPathX(arc.getPathIterator(null)); |
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356 | gp.transform(mT); |
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357 | |||
358 | } |
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359 | } |
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360 | |||
361 | /**
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362 | * DOCUMENT ME!
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363 | *
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364 | * @author Vicente Caballero Navarro
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365 | */
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366 | class EndSelHandler extends AbstractHandler implements CuadrantHandler { |
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367 | /**
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368 | * Crea un nuevo PointHandler.
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369 | *
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370 | * @param i
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371 | * DOCUMENT ME!
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372 | * @param x
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373 | * DOCUMENT ME!
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374 | * @param y
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375 | * DOCUMENT ME!
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376 | */
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377 | public EndSelHandler(int i, double x, double y) { |
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378 | point = new Point2D.Double(x, y); |
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379 | index = i; |
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380 | } |
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381 | |||
382 | /**
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383 | * DOCUMENT ME!
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384 | *
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385 | * @param x
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386 | * DOCUMENT ME!
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387 | * @param y
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388 | * DOCUMENT ME!
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389 | *
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390 | * @return DOCUMENT ME!
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391 | */
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392 | public void move(double x, double y) { |
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393 | |||
394 | } |
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395 | |||
396 | /**
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397 | * @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
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398 | */
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399 | public void set(double x, double y) { |
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400 | // double dx=x-getPoint().getX();
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401 | // double dy=y-getPoint().getY();
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402 | Point2D center = new Point2D.Double((init.getX() + end.getX()) / 2, |
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403 | (init.getY() + end.getY()) / 2);
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404 | // Point2D[]
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405 | // p1=TrigonometricalFunctions.getPerpendicular(init,end,center);
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406 | // Point2D[]
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407 | // p2=TrigonometricalFunctions.getPerpendicular(p1[0],p1[1],new
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408 | // Point2D.Double(x,y));
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409 | |||
410 | // Point2D
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411 | // pl=TrigonometricalFunctions.getIntersection(p2[0],p2[1],p1[0],p1[1]);
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412 | // double xdist=2*pl.distance(x,y);
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413 | double xdist = 2 * center.distance(x, y); |
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414 | end = UtilFunctions.getPoint(center, end, center.distance(x, y)); |
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415 | // end=new Point2D.Double(end.getX()+dx,end.getY()+dy);
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416 | init = UtilFunctions.getPoint(end, center, xdist); |
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417 | Arc2D.Double arc = new Arc2D.Double(init.getX(), init.getY() |
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418 | - ydist, xdist, 2 * ydist, 0, 360, Arc2D.OPEN); |
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419 | // Point2D rotationPoint = new Point2D.Double(init.getX() + xdist
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420 | // /2, init.getY());
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421 | |||
422 | double angle = UtilFunctions.getAngle(init, end);
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423 | AffineTransform mT = AffineTransform.getRotateInstance(angle, init |
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424 | .getX(), init.getY()); |
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425 | gp = new GeneralPathX(arc.getPathIterator(null)); |
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426 | gp.transform(mT); |
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427 | |||
428 | } |
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429 | } |
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430 | |||
431 | /**
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432 | * DOCUMENT ME!
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433 | *
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434 | * @author Vicente Caballero Navarro
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435 | */
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436 | class RadioSelYHandler extends AbstractHandler implements CuadrantHandler { |
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437 | /**
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438 | * Crea un nuevo PointHandler.
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439 | *
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440 | * @param i
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441 | * DOCUMENT ME!
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442 | * @param x
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443 | * DOCUMENT ME!
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444 | * @param y
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445 | * DOCUMENT ME!
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446 | */
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447 | public RadioSelYHandler(int i, double x, double y) { |
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448 | point = new Point2D.Double(x, y); |
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449 | index = i; |
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450 | } |
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451 | |||
452 | /**
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453 | * DOCUMENT ME!
|
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454 | *
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455 | * @param x
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456 | * DOCUMENT ME!
|
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457 | * @param y
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458 | * DOCUMENT ME!
|
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459 | *
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460 | * @return DOCUMENT ME!
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461 | */
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462 | public void move(double x, double y) { |
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463 | |||
464 | } |
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465 | |||
466 | /**
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467 | * @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
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468 | */
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469 | public void set(double x, double y) { |
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470 | ydist = new Point2D.Double((init.getX() + end.getX()) / 2, (init |
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471 | .getY() + end.getY()) / 2).distance(x, y);
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472 | // ydist=getSelectHandlers()[1].getPoint().distance(x,y);
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473 | // Point2D center=new Point2D.Double((init.getX() + end.getX()) / 2,
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474 | // (init.getY() + end.getY()) / 2);
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475 | // Point2D[]
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476 | // p=TrigonometricalFunctions.getPerpendicular(init,end,new
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477 | // Point2D.Double(x,y));
|
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478 | // Point2D
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||
479 | // pl=TrigonometricalFunctions.getIntersection(p[0],p[1],init,end);
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||
480 | // double xdist=2*pl.distance(x,y);
|
||
481 | double xdist = init.distance(end);
|
||
482 | Arc2D.Double arc = new Arc2D.Double(init.getX(), init.getY() |
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483 | - ydist, xdist, 2 * ydist, 0, 360, Arc2D.OPEN); |
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484 | // Point2D rotationPoint = new Point2D.Double(init.getX() + xdist
|
||
485 | // /2, init.getY());
|
||
486 | |||
487 | double angle = UtilFunctions.getAngle(init, end);
|
||
488 | AffineTransform mT = AffineTransform.getRotateInstance(angle, init |
||
489 | .getX(), init.getY()); |
||
490 | gp = new GeneralPathX(arc.getPathIterator(null)); |
||
491 | gp.transform(mT); |
||
492 | } |
||
493 | } |
||
494 | |||
495 | /*
|
||
496 | * (non-Javadoc)
|
||
497 | *
|
||
498 | * @see com.iver.cit.gvsig.fmap.core.FPolyline2D#intersects(java.awt.geom.Rectangle2D)
|
||
499 | */
|
||
500 | public boolean intersects(Rectangle2D r) { |
||
501 | return gp.intersects(r);
|
||
502 | } |
||
503 | |||
504 | /* (non-Javadoc)
|
||
505 | * @see org.gvsig.fmap.geom.primitive.Ellipse#setPoints(org.gvsig.fmap.geom.primitive.Point, org.gvsig.fmap.geom.primitive.Point, double)
|
||
506 | */
|
||
507 | public void setPoints(Point axis1Start, Point axis1End, double axis2Length) { |
||
508 | Point2D _axis1Start = new java.awt.geom.Point2D.Double(axis1Start.getCoordinateAt(0), axis1Start.getCoordinateAt(1)); |
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509 | Point2D _axis1End = new java.awt.geom.Point2D.Double(axis1End.getCoordinateAt(0), axis1End.getCoordinateAt(1)); |
||
510 | setPoints(_axis1Start, _axis1End, axis2Length); |
||
511 | } |
||
512 | |||
513 | /* (non-Javadoc)
|
||
514 | * @see org.gvsig.fmap.geom.primitive.Surface2D#setGeneralPath(org.gvsig.fmap.geom.primitive.GeneralPathX)
|
||
515 | */
|
||
516 | public void setGeneralPath(GeneralPathX generalPathX) { |
||
517 | throw new UnsupportedOperationException("Use setPoints(Point axis1Start, Point axis1End, double axis2Length)"); |
||
518 | } |
||
519 | |||
520 | /* (non-Javadoc)
|
||
521 | * @see org.gvsig.fmap.geom.primitive.Ellipse#setPoints(java.awt.geom.Point2D, java.awt.geom.Point2D, double)
|
||
522 | */
|
||
523 | private void setPoints(Point2D axis1Start, Point2D axis1End, |
||
524 | double axis2Length) {
|
||
525 | double xAxis = axis1Start.distance(axis1End);
|
||
526 | Arc2D.Double arc = new Arc2D.Double(axis1Start.getX(), axis1Start |
||
527 | .getY() |
||
528 | - axis2Length, xAxis, 2 * axis2Length, 0, 360, Arc2D.OPEN); |
||
529 | // TODO L?nea comentada para quitar warning: Point2D rotationPoint = new
|
||
530 | // Point2D.Double(axis1Start.getX() + xAxis /2, axis1Start.getY());
|
||
531 | double angle = UtilFunctions.getAngle(axis1Start, axis1End);
|
||
532 | AffineTransform mT = AffineTransform.getRotateInstance(angle, |
||
533 | axis1Start.getX(), axis1Start.getY()); |
||
534 | GeneralPathX gp = new GeneralPathX(arc.getPathIterator(null)); |
||
535 | gp.transform(mT); |
||
536 | this.gp = new GeneralPathX(gp.getPathIterator(null)); |
||
537 | this.init = axis1Start;
|
||
538 | this.end = axis1End;
|
||
539 | this.ydist = axis2Length;
|
||
540 | } |
||
541 | |||
542 | /* (non-Javadoc)
|
||
543 | * @see org.gvsig.fmap.geom.primitive.Ellipse#getAxis1End()
|
||
544 | */
|
||
545 | public Point getAxis1End() { |
||
546 | try {
|
||
547 | return new org.gvsig.fmap.geom.primitive.impl.Point2D(end); |
||
548 | } catch (Exception e){ |
||
549 | return null; |
||
550 | } |
||
551 | } |
||
552 | |||
553 | /* (non-Javadoc)
|
||
554 | * @see org.gvsig.fmap.geom.primitive.Ellipse#getAxis1Start()
|
||
555 | */
|
||
556 | public Point getAxis1Start() { |
||
557 | try {
|
||
558 | return new org.gvsig.fmap.geom.primitive.impl.Point2D(init); |
||
559 | } catch (Exception e){ |
||
560 | return null; |
||
561 | } |
||
562 | } |
||
563 | |||
564 | /* (non-Javadoc)
|
||
565 | * @see org.gvsig.fmap.geom.primitive.Ellipse#getAxis2Dist()
|
||
566 | */
|
||
567 | public double getAxis2Dist() { |
||
568 | return ydist;
|
||
569 | } |
||
570 | |||
571 | } |