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 @ 40559
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1 | 40559 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | 40435 | jjdelcerro | *
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4 | 40559 | jjdelcerro | * Copyright (C) 2007-2013 gvSIG Association.
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5 | 40435 | jjdelcerro | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | 40559 | jjdelcerro | * as published by the Free Software Foundation; either version 3
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9 | 40435 | jjdelcerro | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | 40559 | jjdelcerro | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | 40435 | jjdelcerro | *
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21 | 40559 | jjdelcerro | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | 40435 | jjdelcerro | */
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24 | package org.gvsig.fmap.geom.primitive.impl; |
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25 | |||
26 | import java.awt.geom.AffineTransform; |
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27 | import java.awt.geom.Arc2D; |
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28 | import java.awt.geom.Point2D; |
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29 | import java.awt.geom.Rectangle2D; |
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30 | import java.util.ArrayList; |
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31 | |||
32 | import org.cresques.cts.IProjection; |
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33 | import org.gvsig.fmap.geom.Geometry; |
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34 | import org.gvsig.fmap.geom.handler.AbstractHandler; |
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35 | import org.gvsig.fmap.geom.handler.CuadrantHandler; |
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36 | import org.gvsig.fmap.geom.handler.Handler; |
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37 | import org.gvsig.fmap.geom.primitive.Ellipse; |
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38 | import org.gvsig.fmap.geom.primitive.FShape; |
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39 | import org.gvsig.fmap.geom.primitive.GeneralPathX; |
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40 | import org.gvsig.fmap.geom.primitive.Point; |
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41 | import org.gvsig.fmap.geom.type.GeometryType; |
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42 | import org.gvsig.fmap.geom.util.UtilFunctions; |
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43 | |||
44 | /**
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45 | * DOCUMENT ME!
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46 | *
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47 | * @author Vicente Caballero Navarro
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48 | */
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49 | public class Ellipse2D extends Surface2D implements Ellipse { |
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50 | private static final long serialVersionUID = 7624230115118134004L; |
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51 | |||
52 | private Point2D init; |
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53 | private Point2D end; |
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54 | private double ydist; |
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55 | |||
56 | /**
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57 | * The constructor with the GeometryType like and argument
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58 | * is used by the {@link GeometryType}{@link #create()}
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59 | * to create the geometry
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60 | * @param type
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61 | * The geometry type
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62 | */
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63 | public Ellipse2D(GeometryType geometryType) { |
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64 | super(geometryType);
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65 | } |
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66 | |||
67 | /**
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68 | * Constructor used in the {@link Geometry#cloneGeometry()} method
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69 | * @param id
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70 | * @param projection
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71 | * @param gpx
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72 | * @param i
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73 | * @param e
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74 | * @param d
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75 | */
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76 | Ellipse2D(GeometryType geometryType,String id, IProjection projection, GeneralPathX gpx, |
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77 | Point2D i, Point2D e, double d) { |
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78 | super(geometryType, id, projection, gpx);
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79 | init = i; |
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80 | end = e; |
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81 | ydist = d; |
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82 | } |
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83 | |||
84 | /*
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85 | * (non-Javadoc)
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86 | * @see org.gvsig.fmap.geom.primitive.impl.Surface2D#cloneFShape()
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87 | */
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88 | public FShape cloneFShape() {
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89 | return new Ellipse2D(getGeometryType(), id, projection, (GeneralPathX) gp.clone(), init, |
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90 | end, ydist); |
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91 | } |
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92 | |||
93 | /*
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94 | * (non-Javadoc)
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95 | * @see org.gvsig.fmap.geom.primitive.impl.Surface2D#getShapeType()
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96 | */
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97 | public int getShapeType() { |
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98 | return TYPES.ELLIPSE;
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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.OrientablePrimitive2D#transform(java.awt.geom.AffineTransform)
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104 | */
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105 | public void transform(AffineTransform at) { |
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106 | |||
107 | if (at == null) { |
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108 | return;
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109 | } |
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110 | |||
111 | Point2D center = new Point2D.Double((init.getX() + end.getX()) / 2, |
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112 | (init.getY() + end.getY()) / 2);
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113 | Point2D pdist = UtilFunctions.getPerpendicularPoint(init, end, center,
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114 | ydist); |
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115 | Point2D aux1 = new Point2D.Double(); |
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116 | at.transform(init, aux1); |
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117 | init = aux1; |
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118 | Point2D aux2 = new Point2D.Double(); |
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119 | at.transform(end, aux2); |
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120 | end = aux2; |
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121 | |||
122 | center = new Point2D.Double((init.getX() + end.getX()) / 2, (init |
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123 | .getY() + end.getY()) / 2);
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124 | |||
125 | Point2D aux3 = new Point2D.Double(); |
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126 | at.transform(pdist, aux3); |
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127 | ydist = center.distance(aux3); |
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128 | gp.transform(at); |
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129 | } |
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130 | |||
131 | /*
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132 | * (non-Javadoc)
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133 | * @see org.gvsig.fmap.geom.primitive.impl.OrientablePrimitive2D#getStretchingHandlers()
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134 | */
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135 | public Handler[] getStretchingHandlers() { |
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136 | ArrayList handlers = new ArrayList(); |
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137 | Rectangle2D rect = this.getBounds2D(); |
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138 | handlers |
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139 | .add(new CenterHandler(0, rect.getCenterX(), rect.getCenterY())); |
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140 | return (Handler[]) handlers.toArray(new Handler[0]); |
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141 | } |
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142 | |||
143 | /*
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144 | * (non-Javadoc)
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145 | * @see org.gvsig.fmap.geom.primitive.impl.OrientablePrimitive2D#getSelectHandlers()
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146 | */
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147 | public Handler[] getSelectHandlers() { |
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148 | ArrayList handlers = new ArrayList(); |
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149 | Rectangle2D rect = this.getBounds2D(); |
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150 | handlers.add(new CenterSelHandler(0, rect.getCenterX(), rect |
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151 | .getCenterY())); |
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152 | handlers.add(new InitSelHandler(1, init.getX(), init.getY())); |
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153 | handlers.add(new EndSelHandler(2, end.getX(), end.getY())); |
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154 | Point2D mediop = new Point2D.Double((end.getX() + init.getX()) / 2, |
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155 | (end.getY() + init.getY()) / 2);
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156 | Point2D[] p = UtilFunctions.getPerpendicular(init, end, mediop); |
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157 | Point2D u = UtilFunctions.getPoint(mediop, p[1], ydist); |
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158 | Point2D d = UtilFunctions.getPoint(mediop, p[1], -ydist); |
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159 | |||
160 | handlers.add(new RadioSelYHandler(3, u.getX(), u.getY())); |
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161 | handlers.add(new RadioSelYHandler(4, d.getX(), d.getY())); |
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162 | |||
163 | return (Handler[]) handlers.toArray(new Handler[0]); |
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164 | } |
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165 | |||
166 | /**
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167 | * DOCUMENT ME!
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168 | *
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169 | * @author Vicente Caballero Navarro
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170 | */
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171 | class CenterHandler extends AbstractHandler implements Handler { |
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172 | /**
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173 | * Crea un nuevo PointHandler.
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174 | *
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175 | * @param i
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176 | * DOCUMENT ME!
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177 | * @param x
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178 | * DOCUMENT ME!
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179 | * @param y
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180 | * DOCUMENT ME!
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181 | */
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182 | public CenterHandler(int i, double x, double y) { |
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183 | point = new Point2D.Double(x, y); |
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184 | index = i; |
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185 | } |
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186 | |||
187 | /**
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188 | * DOCUMENT ME!
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189 | *
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190 | * @param x
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191 | * DOCUMENT ME!
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192 | * @param y
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193 | * DOCUMENT ME!
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194 | *
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195 | * @return DOCUMENT ME!
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196 | */
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197 | public void move(double x, double y) { |
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198 | Point point;
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199 | for (int i = 0; i < gp.getNumCoords() ; i++) { |
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200 | point = gp.getPointAt(i); |
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201 | point.setX(point.getX() + x); |
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202 | point.setY(point.getY() + y); |
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203 | } |
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204 | init = new Point2D.Double(init.getX() + x, init.getY() + y); |
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205 | end = new Point2D.Double(end.getX() + x, end.getY() + y); |
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206 | } |
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207 | |||
208 | /**
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209 | * @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
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210 | */
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211 | public void set(double x, double y) { |
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212 | } |
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213 | } |
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214 | |||
215 | /**
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216 | * DOCUMENT ME!
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217 | *
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218 | * @author Vicente Caballero Navarro
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219 | */
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220 | class CenterSelHandler extends AbstractHandler implements Handler { |
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221 | /**
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222 | * Crea un nuevo PointHandler.
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223 | *
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224 | * @param i
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225 | * DOCUMENT ME!
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226 | * @param x
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227 | * DOCUMENT ME!
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228 | * @param y
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229 | * DOCUMENT ME!
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230 | */
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231 | public CenterSelHandler(int i, double x, double y) { |
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232 | point = new Point2D.Double(x, y); |
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233 | index = i; |
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234 | } |
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235 | |||
236 | /**
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237 | * DOCUMENT ME!
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238 | *
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239 | * @param x
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240 | * DOCUMENT ME!
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241 | * @param y
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242 | * DOCUMENT ME!
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243 | *
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244 | * @return DOCUMENT ME!
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245 | */
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246 | public void move(double x, double y) { |
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247 | Point point;
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248 | for (int i = 0; i < gp.getNumCoords() ; i++) { |
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249 | point = gp.getPointAt(i); |
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250 | point.setX(point.getX() + x); |
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251 | point.setY(point.getY() + y); |
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252 | } |
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253 | } |
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254 | |||
255 | /**
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256 | * @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
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257 | */
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258 | public void set(double x, double y) { |
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259 | Point2D center = new Point2D.Double((init.getX() + end.getX()) / 2, |
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260 | (init.getY() + end.getY()) / 2);
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261 | double dx = x - center.getX();
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262 | double dy = y - center.getY();
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263 | Point point;
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264 | for (int i = 0; i < gp.getNumCoords() ; i++) { |
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265 | point = gp.getPointAt(i); |
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266 | point.setX(point.getX() + dx); |
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267 | point.setY(point.getY() + dy); |
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268 | } |
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269 | init = new Point2D.Double(init.getX() + dx, init.getY() + dy); |
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270 | end = new Point2D.Double(end.getX() + dx, end.getY() + dy); |
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271 | } |
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272 | } |
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273 | |||
274 | /**
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275 | * DOCUMENT ME!
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276 | *
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277 | * @author Vicente Caballero Navarro
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278 | */
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279 | class InitSelHandler extends AbstractHandler implements CuadrantHandler { |
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280 | /**
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281 | * Crea un nuevo PointHandler.
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282 | *
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283 | * @param i
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284 | * DOCUMENT ME!
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285 | * @param x
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286 | * DOCUMENT ME!
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287 | * @param y
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288 | * DOCUMENT ME!
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289 | */
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290 | public InitSelHandler(int i, double x, double y) { |
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291 | point = new Point2D.Double(x, y); |
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292 | index = i; |
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293 | } |
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294 | |||
295 | /**
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296 | * DOCUMENT ME!
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297 | *
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298 | * @param x
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299 | * DOCUMENT ME!
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300 | * @param y
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301 | * DOCUMENT ME!
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302 | *
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303 | * @return DOCUMENT ME!
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304 | */
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305 | public void move(double x, double y) { |
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306 | |||
307 | } |
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308 | |||
309 | /**
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310 | * @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
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311 | */
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312 | public void set(double x, double y) { |
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313 | // TODO comentado para quitar warning: double dx=x-init.getX();
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314 | // TODO comentado para quitar warning: double dy=y-init.getY();
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315 | Point2D center = new Point2D.Double((init.getX() + end.getX()) / 2, |
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316 | (init.getY() + end.getY()) / 2);
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317 | // Point2D[]
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318 | // p1=TrigonometricalFunctions.getPerpendicular(init,end,center);
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319 | // Point2D[]
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320 | // p2=TrigonometricalFunctions.getPerpendicular(p1[0],p1[1],new
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321 | // Point2D.Double(x,y));
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322 | |||
323 | // Point2D
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324 | // pl=TrigonometricalFunctions.getIntersection(p2[0],p2[1],p1[0],p1[1]);
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325 | // double xdist=2*pl.distance(x,y);
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326 | double xdist = 2 * center.distance(x, y); |
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327 | // init=new Point2D.Double(init.getX()+dx,init.getY()+dy);
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328 | init = UtilFunctions.getPoint(center, init, center.distance(x, y)); |
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329 | end = UtilFunctions.getPoint(init, center, xdist); |
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330 | Arc2D.Double arc = new Arc2D.Double(init.getX(), init.getY() |
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331 | - ydist, xdist, 2 * ydist, 0, 360, Arc2D.OPEN); |
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332 | // TODO comentado para quitar warning: Point2D rotationPoint = new
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333 | // Point2D.Double(init.getX() + xdist /2, init.getY());
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334 | |||
335 | double angle = UtilFunctions.getAngle(init, end);
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336 | AffineTransform mT = AffineTransform.getRotateInstance(angle, init |
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337 | .getX(), init.getY()); |
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338 | gp = new GeneralPathX(arc.getPathIterator(null)); |
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339 | gp.transform(mT); |
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340 | |||
341 | } |
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342 | } |
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343 | |||
344 | /**
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345 | * DOCUMENT ME!
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346 | *
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347 | * @author Vicente Caballero Navarro
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348 | */
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349 | class EndSelHandler extends AbstractHandler implements CuadrantHandler { |
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350 | /**
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351 | * Crea un nuevo PointHandler.
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352 | *
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353 | * @param i
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354 | * DOCUMENT ME!
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355 | * @param x
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356 | * DOCUMENT ME!
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357 | * @param y
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358 | * DOCUMENT ME!
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359 | */
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360 | public EndSelHandler(int i, double x, double y) { |
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361 | point = new Point2D.Double(x, y); |
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362 | index = i; |
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363 | } |
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364 | |||
365 | /**
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366 | * DOCUMENT ME!
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367 | *
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368 | * @param x
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369 | * DOCUMENT ME!
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370 | * @param y
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371 | * DOCUMENT ME!
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372 | *
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373 | * @return DOCUMENT ME!
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374 | */
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375 | public void move(double x, double y) { |
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376 | |||
377 | } |
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378 | |||
379 | /**
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380 | * @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
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381 | */
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382 | public void set(double x, double y) { |
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383 | // double dx=x-getPoint().getX();
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384 | // double dy=y-getPoint().getY();
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385 | Point2D center = new Point2D.Double((init.getX() + end.getX()) / 2, |
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386 | (init.getY() + end.getY()) / 2);
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387 | // Point2D[]
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388 | // p1=TrigonometricalFunctions.getPerpendicular(init,end,center);
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389 | // Point2D[]
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390 | // p2=TrigonometricalFunctions.getPerpendicular(p1[0],p1[1],new
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391 | // Point2D.Double(x,y));
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392 | |||
393 | // Point2D
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394 | // pl=TrigonometricalFunctions.getIntersection(p2[0],p2[1],p1[0],p1[1]);
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395 | // double xdist=2*pl.distance(x,y);
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396 | double xdist = 2 * center.distance(x, y); |
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397 | end = UtilFunctions.getPoint(center, end, center.distance(x, y)); |
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398 | // end=new Point2D.Double(end.getX()+dx,end.getY()+dy);
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399 | init = UtilFunctions.getPoint(end, center, xdist); |
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400 | Arc2D.Double arc = new Arc2D.Double(init.getX(), init.getY() |
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401 | - ydist, xdist, 2 * ydist, 0, 360, Arc2D.OPEN); |
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402 | // Point2D rotationPoint = new Point2D.Double(init.getX() + xdist
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403 | // /2, init.getY());
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404 | |||
405 | double angle = UtilFunctions.getAngle(init, end);
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406 | AffineTransform mT = AffineTransform.getRotateInstance(angle, init |
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407 | .getX(), init.getY()); |
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408 | gp = new GeneralPathX(arc.getPathIterator(null)); |
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409 | gp.transform(mT); |
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410 | |||
411 | } |
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412 | } |
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413 | |||
414 | /**
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415 | * DOCUMENT ME!
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416 | *
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417 | * @author Vicente Caballero Navarro
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418 | */
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419 | class RadioSelYHandler extends AbstractHandler implements CuadrantHandler { |
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420 | /**
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421 | * Crea un nuevo PointHandler.
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422 | *
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423 | * @param i
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424 | * DOCUMENT ME!
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425 | * @param x
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426 | * DOCUMENT ME!
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427 | * @param y
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428 | * DOCUMENT ME!
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429 | */
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430 | public RadioSelYHandler(int i, double x, double y) { |
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431 | point = new Point2D.Double(x, y); |
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432 | index = i; |
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433 | } |
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434 | |||
435 | /**
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436 | * DOCUMENT ME!
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437 | *
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438 | * @param x
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439 | * DOCUMENT ME!
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440 | * @param y
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441 | * DOCUMENT ME!
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442 | *
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443 | * @return DOCUMENT ME!
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444 | */
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445 | public void move(double x, double y) { |
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446 | |||
447 | } |
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448 | |||
449 | /**
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450 | * @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
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451 | */
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452 | public void set(double x, double y) { |
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453 | ydist = new Point2D.Double((init.getX() + end.getX()) / 2, (init |
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454 | .getY() + end.getY()) / 2).distance(x, y);
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455 | // ydist=getSelectHandlers()[1].getPoint().distance(x,y);
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456 | // Point2D center=new Point2D.Double((init.getX() + end.getX()) / 2,
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457 | // (init.getY() + end.getY()) / 2);
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458 | // Point2D[]
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459 | // p=TrigonometricalFunctions.getPerpendicular(init,end,new
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460 | // Point2D.Double(x,y));
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461 | // Point2D
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462 | // pl=TrigonometricalFunctions.getIntersection(p[0],p[1],init,end);
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463 | // double xdist=2*pl.distance(x,y);
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464 | double xdist = init.distance(end);
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465 | Arc2D.Double arc = new Arc2D.Double(init.getX(), init.getY() |
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466 | - ydist, xdist, 2 * ydist, 0, 360, Arc2D.OPEN); |
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467 | // Point2D rotationPoint = new Point2D.Double(init.getX() + xdist
|
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468 | // /2, init.getY());
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469 | |||
470 | double angle = UtilFunctions.getAngle(init, end);
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471 | AffineTransform mT = AffineTransform.getRotateInstance(angle, init |
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472 | .getX(), init.getY()); |
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473 | gp = new GeneralPathX(arc.getPathIterator(null)); |
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474 | gp.transform(mT); |
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475 | } |
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476 | } |
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477 | |||
478 | /*
|
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479 | * (non-Javadoc)
|
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480 | *
|
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481 | * @see com.iver.cit.gvsig.fmap.core.FPolyline2D#intersects(java.awt.geom.Rectangle2D)
|
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482 | */
|
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483 | public boolean intersects(Rectangle2D r) { |
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484 | return gp.intersects(r);
|
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485 | } |
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486 | |||
487 | /* (non-Javadoc)
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488 | * @see org.gvsig.fmap.geom.primitive.Ellipse#setPoints(org.gvsig.fmap.geom.primitive.Point, org.gvsig.fmap.geom.primitive.Point, double)
|
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489 | */
|
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490 | public void setPoints(Point axis1Start, Point axis1End, double axis2Length) { |
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491 | Point2D _axis1Start = new java.awt.geom.Point2D.Double(axis1Start.getCoordinateAt(0), axis1Start.getCoordinateAt(1)); |
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492 | Point2D _axis1End = new java.awt.geom.Point2D.Double(axis1End.getCoordinateAt(0), axis1End.getCoordinateAt(1)); |
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493 | setPoints(_axis1Start, _axis1End, axis2Length); |
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494 | } |
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495 | |||
496 | /* (non-Javadoc)
|
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497 | * @see org.gvsig.fmap.geom.primitive.Surface2D#setGeneralPath(org.gvsig.fmap.geom.primitive.GeneralPathX)
|
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498 | */
|
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499 | public void setGeneralPath(GeneralPathX generalPathX) { |
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500 | throw new UnsupportedOperationException("Use setPoints(Point axis1Start, Point axis1End, double axis2Length)"); |
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501 | } |
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502 | |||
503 | /* (non-Javadoc)
|
||
504 | * @see org.gvsig.fmap.geom.primitive.Ellipse#setPoints(java.awt.geom.Point2D, java.awt.geom.Point2D, double)
|
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505 | */
|
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506 | private void setPoints(Point2D axis1Start, Point2D axis1End, |
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507 | double axis2Length) {
|
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508 | double xAxis = axis1Start.distance(axis1End);
|
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509 | Arc2D.Double arc = new Arc2D.Double(axis1Start.getX(), axis1Start |
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510 | .getY() |
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511 | - axis2Length, xAxis, 2 * axis2Length, 0, 360, Arc2D.OPEN); |
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512 | // TODO L�nea comentada para quitar warning: Point2D rotationPoint = new
|
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513 | // Point2D.Double(axis1Start.getX() + xAxis /2, axis1Start.getY());
|
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514 | double angle = UtilFunctions.getAngle(axis1Start, axis1End);
|
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515 | AffineTransform mT = AffineTransform.getRotateInstance(angle, |
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516 | axis1Start.getX(), axis1Start.getY()); |
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517 | GeneralPathX gp = new GeneralPathX(arc.getPathIterator(null)); |
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518 | gp.transform(mT); |
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519 | this.gp = new GeneralPathX(gp.getPathIterator(null)); |
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520 | this.init = axis1Start;
|
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521 | this.end = axis1End;
|
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522 | this.ydist = axis2Length;
|
||
523 | } |
||
524 | |||
525 | /* (non-Javadoc)
|
||
526 | * @see org.gvsig.fmap.geom.primitive.Ellipse#getAxis1End()
|
||
527 | */
|
||
528 | public Point getAxis1End() { |
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529 | try {
|
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530 | return new org.gvsig.fmap.geom.primitive.impl.Point2D(end); |
||
531 | } catch (Exception e){ |
||
532 | return null; |
||
533 | } |
||
534 | } |
||
535 | |||
536 | /* (non-Javadoc)
|
||
537 | * @see org.gvsig.fmap.geom.primitive.Ellipse#getAxis1Start()
|
||
538 | */
|
||
539 | public Point getAxis1Start() { |
||
540 | try {
|
||
541 | return new org.gvsig.fmap.geom.primitive.impl.Point2D(init); |
||
542 | } catch (Exception e){ |
||
543 | return null; |
||
544 | } |
||
545 | } |
||
546 | |||
547 | /* (non-Javadoc)
|
||
548 | * @see org.gvsig.fmap.geom.primitive.Ellipse#getAxis2Dist()
|
||
549 | */
|
||
550 | public double getAxis2Dist() { |
||
551 | return ydist;
|
||
552 | } |
||
553 | |||
554 | } |