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 / Circle2D.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 | |||
51 | import org.gvsig.fmap.geom.Geometry; |
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52 | import org.gvsig.fmap.geom.handler.AbstractHandler; |
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53 | import org.gvsig.fmap.geom.handler.CuadrantHandler; |
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54 | import org.gvsig.fmap.geom.handler.Handler; |
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55 | import org.gvsig.fmap.geom.primitive.Circle; |
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56 | import org.gvsig.fmap.geom.primitive.FShape; |
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57 | import org.gvsig.fmap.geom.primitive.GeneralPathX; |
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58 | import org.gvsig.fmap.geom.primitive.Point; |
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59 | import org.gvsig.fmap.geom.type.GeometryType; |
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60 | import org.gvsig.fmap.geom.util.UtilFunctions; |
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61 | |||
62 | /**
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63 | * DOCUMENT ME!
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64 | *
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65 | * @author Vicente Caballero Navarro
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66 | */
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67 | public class Circle2D extends Surface2D implements Circle { |
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68 | private static final long serialVersionUID = -2709867465161215668L; |
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69 | |||
70 | private Point2D center; |
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71 | private double radio; |
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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 Circle2D(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 | */
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87 | Circle2D(GeometryType geometryType, String id, IProjection projection, GeneralPathX gpx,
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88 | Point2D c, double r) { |
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89 | super(geometryType, id, projection, gpx);
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90 | center = c; |
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91 | radio = r; |
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92 | } |
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93 | |||
94 | /*
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95 | * (non-Javadoc)
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96 | * @see org.gvsig.fmap.geom.primitive.Circle#getCenter()
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97 | */
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98 | public Point getCenter() { |
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99 | return new org.gvsig.fmap.geom.primitive.impl.Point2D(center.getX(), center.getY()); |
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100 | } |
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101 | |||
102 | /*
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103 | * (non-Javadoc)
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104 | * @see org.gvsig.fmap.geom.primitive.impl.Surface2D#cloneFShape()
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105 | */
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106 | public FShape cloneFShape() {
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107 | return new Circle2D(getGeometryType(), id, projection, (GeneralPathX) gp.clone(), center, |
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108 | radio); |
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109 | } |
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110 | |||
111 | /*
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112 | * (non-Javadoc)
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113 | * @see org.gvsig.fmap.geom.primitive.impl.Surface2D#getShapeType()
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114 | */
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115 | public int getShapeType() { |
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116 | return TYPES.CIRCLE;
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117 | } |
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118 | |||
119 | /*
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120 | * (non-Javadoc)
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121 | * @see org.gvsig.fmap.geom.primitive.impl.OrientablePrimitive2D#transform(java.awt.geom.AffineTransform)
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122 | */
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123 | public void transform(AffineTransform at) { |
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124 | |||
125 | if (at == null) { |
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126 | return;
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127 | } |
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128 | |||
129 | Point2D pdist = UtilFunctions.getPerpendicularPoint(new Point2D.Double( |
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130 | center.getX() + 10, center.getY()), new Point2D.Double(center |
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131 | .getX() - 10, center.getY()), center, radio);
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132 | Point2D aux = new Point2D.Double(); |
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133 | at.transform(center, aux); |
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134 | center = aux; |
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135 | Point2D aux3 = new Point2D.Double(); |
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136 | at.transform(pdist, aux3); |
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137 | radio = center.distance(aux3); |
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138 | gp.transform(at); |
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139 | } |
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140 | |||
141 | /*
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142 | * (non-Javadoc)
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143 | * @see org.gvsig.fmap.geom.primitive.impl.OrientablePrimitive2D#getStretchingHandlers()
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144 | */
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145 | public Handler[] getStretchingHandlers() { |
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146 | ArrayList handlers = new ArrayList(); |
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147 | Rectangle2D rect = this.getBounds2D(); |
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148 | handlers |
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149 | .add(new CenterHandler(0, rect.getCenterX(), rect.getCenterY())); |
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150 | // handlers.add(new RadioHandler(1, rect.getX(), rect.getCenterY()));
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151 | // handlers.add(new RadioHandler(2, rect.getMaxX(), rect.getCenterY()));
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152 | // handlers.add(new RadioHandler(3, rect.getCenterX(), rect.getY()));
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153 | // handlers.add(new RadioHandler(3, rect.getCenterX(), rect.getMaxY()));
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154 | |||
155 | return (Handler[]) handlers.toArray(new Handler[0]); |
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156 | } |
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157 | |||
158 | /*
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159 | * (non-Javadoc)
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160 | * @see org.gvsig.fmap.geom.primitive.impl.OrientablePrimitive2D#getSelectHandlers()
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161 | */
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162 | public Handler[] getSelectHandlers() { |
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163 | ArrayList handlers = new ArrayList(); |
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164 | handlers.add(new CenterSelHandler(0, center.getX(), center.getY())); |
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165 | handlers.add(new RadioSelHandler(1, center.getX() - radio, center |
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166 | .getY())); |
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167 | handlers.add(new RadioSelHandler(2, center.getX() + radio, center |
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168 | .getY())); |
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169 | handlers.add(new RadioSelHandler(3, center.getX(), center.getY() |
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170 | - radio)); |
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171 | handlers.add(new RadioSelHandler(3, center.getX(), center.getY() |
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172 | + radio)); |
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173 | |||
174 | return (Handler[]) handlers.toArray(new Handler[0]); |
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175 | } |
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176 | |||
177 | /**
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178 | * DOCUMENT ME!
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179 | *
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180 | * @author Vicente Caballero Navarro
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181 | */
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182 | class CenterHandler extends AbstractHandler implements Handler, org.gvsig.fmap.geom.handler.CenterHandler{ |
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183 | /**
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184 | * Crea un nuevo PointHandler.
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185 | *
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186 | * @param i
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187 | * DOCUMENT ME!
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188 | * @param x
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189 | * DOCUMENT ME!
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190 | * @param y
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191 | * DOCUMENT ME!
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192 | */
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193 | public CenterHandler(int i, double x, double y) { |
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194 | point = new Point2D.Double(x, y); |
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195 | index = i; |
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196 | } |
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197 | |||
198 | /**
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199 | * DOCUMENT ME!
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200 | *
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201 | * @param x
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202 | * DOCUMENT ME!
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203 | * @param y
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204 | * DOCUMENT ME!
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205 | *
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206 | * @return DOCUMENT ME!
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207 | */
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208 | public void move(double x, double y) { |
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209 | center = new Point2D.Double(center.getX() + x, center.getY() + y); |
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210 | Point point;
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211 | for (int i = 0; i < gp.getNumCoords(); i++) { |
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212 | point = gp.getPointAt(i); |
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213 | point.setX(point.getX() + x); |
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214 | point.setY(point.getY() + y); |
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215 | } |
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216 | } |
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217 | |||
218 | /**
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219 | * @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
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220 | */
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221 | public void set(double x, double y) { |
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222 | } |
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223 | |||
224 | } |
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225 | |||
226 | /**
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227 | * DOCUMENT ME!
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228 | *
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229 | * @author Vicente Caballero Navarro
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230 | */
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231 | class CenterSelHandler extends AbstractHandler implements Handler, org.gvsig.fmap.geom.handler.CenterHandler { |
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232 | /**
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233 | * Crea un nuevo PointHandler.
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234 | *
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235 | * @param i
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236 | * DOCUMENT ME!
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237 | * @param x
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238 | * DOCUMENT ME!
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239 | * @param y
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240 | * DOCUMENT ME!
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241 | */
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242 | public CenterSelHandler(int i, double x, double y) { |
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243 | point = new Point2D.Double(x, y); |
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244 | index = i; |
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245 | } |
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246 | |||
247 | /**
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248 | * DOCUMENT ME!
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249 | *
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250 | * @param x
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251 | * DOCUMENT ME!
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252 | * @param y
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253 | * DOCUMENT ME!
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254 | *
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255 | * @return DOCUMENT ME!
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256 | */
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257 | public void move(double x, double y) { |
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258 | Point point;
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259 | for (int i = 0; i < gp.getNumCoords() ; i++) { |
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260 | point = gp.getPointAt(i); |
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261 | point.setX(point.getX() + x); |
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262 | point.setY(point.getY() + y); |
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263 | } |
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264 | } |
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265 | |||
266 | /**
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267 | * @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
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268 | */
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269 | public void set(double x, double y) { |
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270 | center = new Point2D.Double(x, y); |
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271 | Arc2D.Double arc = new Arc2D.Double(center.getX() - radio, center |
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272 | .getY() |
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273 | - radio, 2 * radio, 2 * radio, 0, 360, Arc2D.OPEN); |
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274 | gp = new GeneralPathX(arc.getPathIterator(null)); |
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275 | gp.closePath(); |
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276 | } |
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277 | } |
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278 | |||
279 | /**
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280 | * DOCUMENT ME!
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281 | *
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282 | * @author Vicente Caballero Navarro
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283 | */
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284 | class RadioSelHandler extends AbstractHandler implements CuadrantHandler { |
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285 | |||
286 | /**
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287 | * Crea un nuevo PointHandler.
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288 | *
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289 | * @param i
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290 | * DOCUMENT ME!
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291 | * @param x
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292 | * DOCUMENT ME!
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293 | * @param y
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294 | * DOCUMENT ME!
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295 | */
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296 | public RadioSelHandler(int i, double x, double y) { |
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297 | point = new Point2D.Double(x, y); |
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298 | index = i; |
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299 | } |
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300 | |||
301 | /**
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302 | * DOCUMENT ME!
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303 | *
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304 | * @param x
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305 | * DOCUMENT ME!
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306 | * @param y
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307 | * DOCUMENT ME!
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308 | *
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309 | * @return DOCUMENT ME!
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310 | */
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311 | public void move(double x, double y) { |
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312 | |||
313 | } |
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314 | |||
315 | /**
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316 | * @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
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317 | */
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318 | public void set(double x, double y) { |
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319 | radio = center.distance(x, y); |
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320 | Arc2D.Double arc = new Arc2D.Double(center.getX() - radio, center |
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321 | .getY() |
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322 | - radio, 2 * radio, 2 * radio, 0, 360, Arc2D.OPEN); |
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323 | gp = new GeneralPathX(arc.getPathIterator(null)); |
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324 | } |
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325 | } |
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326 | |||
327 | /*
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328 | * (non-Javadoc)
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329 | *
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330 | * @see com.iver.cit.gvsig.fmap.core.FPolyline2D#intersects(java.awt.geom.Rectangle2D)
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331 | */
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332 | public boolean intersects(Rectangle2D r) { |
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333 | return gp.intersects(r);
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334 | } |
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335 | |||
336 | /* (non-Javadoc)
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337 | * @see org.gvsig.fmap.geom.primitive.Surface2D#setGeneralPath(org.gvsig.fmap.geom.primitive.GeneralPathX)
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338 | */
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339 | public void setGeneralPath(GeneralPathX generalPathX) { |
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340 | throw new UnsupportedOperationException("Use setPoints(Point center, Point radious)"); |
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341 | } |
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342 | |||
343 | /* (non-Javadoc)
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344 | * @see org.gvsig.fmap.geom.primitive.Circle#setPoints(org.gvsig.fmap.geom.primitive.Point, org.gvsig.fmap.geom.primitive.Point)
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345 | */
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346 | public void setPoints(Point center, Point radious) { |
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347 | Point2D _center = new java.awt.geom.Point2D.Double(center.getCoordinateAt(0), center.getCoordinateAt(1)); |
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348 | Point2D _radious = new java.awt.geom.Point2D.Double(radious.getCoordinateAt(0), radious.getCoordinateAt(1)); |
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349 | double dRadious = _center.distance(_radious);
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350 | setPoints(center, dRadious); |
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351 | } |
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352 | |||
353 | /*
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354 | * (non-Javadoc)
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355 | * @see org.gvsig.fmap.geom.primitive.Circle#setPoints(org.gvsig.fmap.geom.primitive.Point, double)
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356 | */
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357 | public void setPoints(Point center, double radious){ |
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358 | Point2D _center = new java.awt.geom.Point2D.Double(center.getCoordinateAt(0), center.getCoordinateAt(1)); |
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359 | java.awt.geom.Arc2D.Double arc = |
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360 | new java.awt.geom.Arc2D.Double(center.getX() - radious, _center
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361 | .getY() |
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362 | - radious, 2 * radious, 2 * radious, 0, 360, Arc2D.OPEN); |
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363 | this.gp = new GeneralPathX(arc.getPathIterator(null)); |
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364 | gp.closePath(); |
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365 | this.center = _center;
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366 | this.radio = radious;
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367 | } |
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368 | |||
369 | /* (non-Javadoc)
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370 | * @see org.gvsig.fmap.geom.primitive.Arc#setPoints(org.gvsig.fmap.geom.primitive.Point, org.gvsig.fmap.geom.primitive.Point, org.gvsig.fmap.geom.primitive.Point)
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371 | */
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372 | public void setPoints(Point p1, Point p2, Point p3) { |
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373 | Point2D _p1 = new java.awt.geom.Point2D.Double(p1.getCoordinateAt(0), p1.getCoordinateAt(1)); |
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374 | Point2D _p2 = new java.awt.geom.Point2D.Double(p2.getCoordinateAt(0), p2.getCoordinateAt(1)); |
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375 | Point2D _p3 = new java.awt.geom.Point2D.Double(p3.getCoordinateAt(0), p3.getCoordinateAt(1)); |
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376 | setPoints(_p1, _p2, _p3); |
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377 | } |
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378 | |||
379 | /* (non-Javadoc)
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380 | * @see org.gvsig.fmap.geom.primitive.Circle#setPoints(org.gvsig.fmap.geom.primitive.Point2D, org.gvsig.fmap.geom.primitive.Point2D)
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381 | */
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382 | public void setPoints(org.gvsig.fmap.geom.primitive.impl.Point2D center, |
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383 | org.gvsig.fmap.geom.primitive.impl.Point2D radious) { |
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384 | Point2D _center = new java.awt.geom.Point2D.Double(center.getCoordinateAt(0), center.getCoordinateAt(1)); |
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385 | Point2D _radious = new java.awt.geom.Point2D.Double(radious.getCoordinateAt(0), radious.getCoordinateAt(1)); |
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386 | setPoints(_center, _radious); |
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387 | } |
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388 | |||
389 | /* (non-Javadoc)
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390 | * @see org.gvsig.fmap.geom.primitive.Circle#setPoints(org.gvsig.fmap.geom.primitive.Point2D, double)
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391 | */
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392 | public void setPoints(Point2D center, |
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393 | double radious) {
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394 | java.awt.geom.Arc2D.Double arc = |
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395 | new java.awt.geom.Arc2D.Double(center.getX() - radious, center
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396 | .getY() |
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397 | - radious, 2 * radious, 2 * radious, 0, 360, Arc2D.OPEN); |
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398 | this.gp = new GeneralPathX(arc.getPathIterator(null)); |
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399 | gp.closePath(); |
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400 | this.center = center;
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401 | this.radio = radious;
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402 | |||
403 | } |
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404 | |||
405 | /* (non-Javadoc)
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406 | * @see org.gvsig.fmap.geom.primitive.Arc#setPoints(java.awt.geom.Point2D, java.awt.geom.Point2D, java.awt.geom.Point2D)
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407 | */
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408 | public void setPoints(Point2D p1, Point2D p2, Point2D p3) { |
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409 | Point2D center = UtilFunctions.getCenter(p1, p2, p3);
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410 | if (center != null) { |
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411 | setPoints(center, p1); |
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412 | } |
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413 | } |
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414 | |||
415 | /* (non-Javadoc)
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416 | * @see org.gvsig.fmap.geom.primitive.Curve#setCoordinateAt(int, int, double)
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417 | */
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418 | public void setCoordinateAt(int index, int dimension, double value) { |
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419 | throw new UnsupportedOperationException("Use setGeneralPathX"); |
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420 | } |
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421 | |||
422 | /* (non-Javadoc)
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423 | * @see org.gvsig.fmap.geom.primitive.Circle#setPoints(java.awt.geom.Point2D, java.awt.geom.Point2D)
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424 | */
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425 | private void setPoints(Point2D center, Point2D radious) { |
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426 | double radio = center.distance(radious);
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427 | setPoints(center, radio); |
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428 | } |
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429 | |||
430 | /* (non-Javadoc)
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431 | * @see org.gvsig.fmap.geom.primitive.Arc#setPoints(org.gvsig.fmap.geom.primitive.Point, double, double, double)
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432 | */
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433 | public void setPoints(Point center, double radius, double initAngle, |
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434 | double angleExt) {
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435 | throw new UnsupportedOperationException("Use setGeneralPathX"); |
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436 | } |
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437 | |||
438 | /* (non-Javadoc)
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439 | * @see org.gvsig.fmap.geom.primitive.Arc#setPoints(java.awt.geom.Point2D, double, double, double)
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440 | */
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441 | private void setPoints(Point2D center, double radius, double initAngle, |
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442 | double angleExt) {
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443 | throw new UnsupportedOperationException("Use setGeneralPathX"); |
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444 | } |
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445 | |||
446 | /* (non-Javadoc)
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447 | * @see org.gvsig.fmap.geom.primitive.Circle#getRadious()
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448 | */
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449 | public double getRadious() { |
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450 | return radio;
|
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451 | } |
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452 | |||
453 | |||
454 | } |