svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.geometry / org.gvsig.fmap.geometry.jts / src / main / java / org / gvsig / fmap / geom / jts / primitive / point / AbstractPoint.java @ 43490
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1 | 42260 | fdiaz | /* gvSIG. Desktop Geographic Information System.
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2 | *
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3 | * Copyright ? 2007-2015 gvSIG Association
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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., 51 Franklin Street, Fifth Floor, Boston,
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18 | * MA 02110-1301, USA.
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19 | *
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20 | * For any additional information, do not hesitate to contact us
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21 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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22 | */
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23 | package org.gvsig.fmap.geom.jts.primitive.point; |
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24 | |||
25 | import java.awt.Shape; |
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26 | import java.awt.geom.AffineTransform; |
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27 | import java.awt.geom.PathIterator; |
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28 | 43078 | jjdelcerro | import java.util.Arrays; |
29 | 42260 | fdiaz | |
30 | import org.cresques.cts.ICoordTrans; |
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31 | |||
32 | import org.gvsig.fmap.geom.DirectPosition; |
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33 | import org.gvsig.fmap.geom.Geometry; |
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34 | import org.gvsig.fmap.geom.GeometryException; |
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35 | 42273 | fdiaz | import org.gvsig.fmap.geom.aggregate.MultiLine; |
36 | import org.gvsig.fmap.geom.aggregate.MultiPolygon; |
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37 | 43490 | jjdelcerro | import org.gvsig.fmap.geom.exception.CreateGeometryException; |
38 | 42260 | fdiaz | import org.gvsig.fmap.geom.exception.ReprojectionRuntimeException; |
39 | import org.gvsig.fmap.geom.handler.AbstractHandler; |
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40 | import org.gvsig.fmap.geom.handler.FinalHandler; |
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41 | import org.gvsig.fmap.geom.handler.Handler; |
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42 | 43078 | jjdelcerro | import org.gvsig.fmap.geom.jts.MCoordinate; |
43 | 42260 | fdiaz | import org.gvsig.fmap.geom.jts.gputils.DefaultGeneralPathX; |
44 | import org.gvsig.fmap.geom.jts.primitive.AbstractPrimitive; |
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45 | import org.gvsig.fmap.geom.jts.primitive.Envelope2D; |
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46 | 42267 | fdiaz | import org.gvsig.fmap.geom.jts.util.JTSUtils; |
47 | 42281 | fdiaz | import org.gvsig.fmap.geom.operation.GeometryOperationException; |
48 | import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
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49 | 42260 | fdiaz | import org.gvsig.fmap.geom.primitive.Envelope; |
50 | 43078 | jjdelcerro | import org.gvsig.fmap.geom.primitive.Point; |
51 | 42260 | fdiaz | |
52 | /**
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53 | * @author fdiaz
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54 | *
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55 | */
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56 | public abstract class AbstractPoint extends AbstractPrimitive implements PointJTS { |
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57 | |||
58 | /**
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59 | *
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60 | */
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61 | private static final long serialVersionUID = -8378193151810866724L; |
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62 | protected com.vividsolutions.jts.geom.Coordinate coordinate;
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63 | |||
64 | /**
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65 | *
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66 | */
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67 | 42267 | fdiaz | protected AbstractPoint(int subtype) { |
68 | super(Geometry.TYPES.POINT, subtype);
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69 | } |
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70 | |||
71 | 42260 | fdiaz | /**
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72 | *
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73 | */
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74 | public AbstractPoint(int subtype, com.vividsolutions.jts.geom.Coordinate coordinate) { |
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75 | this(subtype);
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76 | this.coordinate = coordinate;
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77 | } |
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78 | |||
79 | /*
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80 | * (non-Javadoc)
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81 | *
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82 | * @see org.gvsig.fmap.geom.primitive.Point#getDirectPosition()
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83 | */
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84 | public DirectPosition getDirectPosition() {
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85 | return new PointDirectPosition(); |
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86 | } |
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87 | |||
88 | class PointDirectPosition implements DirectPosition { |
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89 | |||
90 | /*
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91 | * (non-Javadoc)
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92 | *
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93 | * @see org.gvsig.fmap.geom.DirectPosition#getDimension()
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94 | */
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95 | public int getDimension() { |
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96 | return AbstractPoint.this.getDimension();
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97 | } |
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98 | |||
99 | /*
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100 | * (non-Javadoc)
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101 | *
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102 | * @see org.gvsig.fmap.geom.DirectPosition#getOrdinate(int)
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103 | */
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104 | public double getOrdinate(int dimension) { |
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105 | return AbstractPoint.this.getCoordinateAt(dimension);
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106 | } |
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107 | |||
108 | } |
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109 | |||
110 | /*
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111 | * (non-Javadoc)
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112 | *
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113 | * @see org.gvsig.fmap.geom.primitive.Point#setCoordinateAt(int, double)
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114 | */
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115 | public void setCoordinateAt(int dimension, double value) { |
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116 | this.coordinate.setOrdinate(dimension, value);
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117 | } |
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118 | |||
119 | /*
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120 | * (non-Javadoc)
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121 | *
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122 | * @see org.gvsig.fmap.geom.primitive.Point#setCoordinates(double[])
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123 | */
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124 | public void setCoordinates(double[] values) { |
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125 | for (int i = 0; i < values.length; i++) { |
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126 | this.coordinate.setOrdinate(i, values[i]);
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127 | } |
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128 | } |
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129 | |||
130 | 42392 | jjdelcerro | /*
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131 | 42260 | fdiaz | * (non-Javadoc)
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132 | *
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133 | * @see org.gvsig.fmap.geom.primitive.Point#setX(double)
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134 | */
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135 | public void setX(double x) { |
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136 | this.coordinate.x = x;
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137 | } |
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138 | |||
139 | /*
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140 | * (non-Javadoc)
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141 | *
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142 | * @see org.gvsig.fmap.geom.primitive.Point#setY(double)
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143 | */
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144 | public void setY(double y) { |
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145 | this.coordinate.y = y;
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146 | } |
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147 | |||
148 | /*
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149 | * (non-Javadoc)
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150 | *
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151 | * @see org.gvsig.fmap.geom.primitive.Point#getCoordinateAt(int)
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152 | */
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153 | public double getCoordinateAt(int dimension) { |
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154 | return this.coordinate.getOrdinate(dimension); |
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155 | } |
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156 | |||
157 | /*
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158 | * (non-Javadoc)
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159 | *
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160 | * @see org.gvsig.fmap.geom.primitive.Point#getCoordinates()
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161 | */
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162 | public double[] getCoordinates() { |
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163 | double[] coords = new double[this.getDimension()]; |
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164 | for (int i = 0; i < this.getDimension(); i++) { |
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165 | coords[i] = this.coordinate.getOrdinate(i);
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166 | } |
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167 | return coords;
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168 | } |
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169 | |||
170 | /*
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171 | * (non-Javadoc)
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172 | *
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173 | * @see org.gvsig.fmap.geom.primitive.Point#getX()
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174 | */
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175 | public double getX() { |
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176 | return this.coordinate.x; |
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177 | } |
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178 | |||
179 | /*
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180 | * (non-Javadoc)
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181 | *
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182 | * @see org.gvsig.fmap.geom.primitive.Point#getY()
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183 | */
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184 | public double getY() { |
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185 | return this.coordinate.y; |
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186 | } |
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187 | |||
188 | /*
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189 | * (non-Javadoc)
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190 | *
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191 | * @see org.gvsig.fmap.geom.jts.GeometryJTS#getJTS()
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192 | */
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193 | public com.vividsolutions.jts.geom.Geometry getJTS() {
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194 | 42333 | fdiaz | return JTSUtils.createJTSPoint(this.coordinate); |
195 | 42260 | fdiaz | } |
196 | |||
197 | /*
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198 | * (non-Javadoc)
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199 | *
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200 | * @see org.gvsig.fmap.geom.Geometry#reProject(org.cresques.cts.ICoordTrans)
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201 | */
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202 | public void reProject(ICoordTrans ct) { |
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203 | if (ct == null) { |
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204 | return;
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205 | } |
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206 | java.awt.geom.Point2D p = new java.awt.geom.Point2D.Double(this.getX(), this.getY()); |
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207 | try {
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208 | p = ct.convert(p, p); |
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209 | this.setX(p.getX());
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210 | this.setY(p.getY());
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211 | } catch (Exception exc) { |
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212 | /*
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213 | * This can happen when the reprojection lib is unable
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214 | * to reproject (for example the source point
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215 | * is out of the valid range and some computing
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216 | * problem happens)
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217 | */
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218 | 42464 | fdiaz | this.setX(0); |
219 | this.setY(0); |
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220 | 42260 | fdiaz | } |
221 | } |
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222 | |||
223 | /*
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224 | * (non-Javadoc)
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225 | *
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226 | * @see
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227 | * org.gvsig.fmap.geom.Geometry#transform(java.awt.geom.AffineTransform)
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228 | */
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229 | public void transform(AffineTransform at) { |
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230 | if (at == null) { |
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231 | return;
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232 | } |
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233 | |||
234 | 42283 | fdiaz | java.awt.geom.Point2D p = new java.awt.geom.Point2D.Double(this.getX(), this.getY()); |
235 | at.transform(p, p); |
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236 | setX(p.getX()); |
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237 | setY(p.getY()); |
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238 | 42260 | fdiaz | } |
239 | |||
240 | /*
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241 | * (non-Javadoc)
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242 | *
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243 | * @see org.gvsig.fmap.geom.jts.primitive.point.PointJTS#getJTSCoordinates()
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244 | */
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245 | public com.vividsolutions.jts.geom.Coordinate getJTSCoordinate() {
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246 | return this.coordinate; |
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247 | } |
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248 | |||
249 | /*
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250 | * (non-Javadoc)
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251 | *
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252 | * @see org.gvsig.fmap.geom.Geometry#getShape(java.awt.geom.AffineTransform)
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253 | */
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254 | public Shape getShape(AffineTransform affineTransform) { |
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255 | 42267 | fdiaz | return new DefaultGeneralPathX(getPathIterator(affineTransform), false, 0); |
256 | 42260 | fdiaz | } |
257 | |||
258 | /*
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259 | * (non-Javadoc)
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260 | *
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261 | * @see org.gvsig.fmap.geom.Geometry#getShape()
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262 | */
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263 | public Shape getShape() { |
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264 | 42267 | fdiaz | return new DefaultGeneralPathX(getPathIterator(null), false, 0); |
265 | 42260 | fdiaz | } |
266 | |||
267 | /*
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268 | * (non-Javadoc)
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269 | *
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270 | * @see
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271 | * org.gvsig.fmap.geom.Geometry#getPathIterator(java.awt.geom.AffineTransform
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272 | * , double)
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273 | */
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274 | public PathIterator getPathIterator(AffineTransform at, double flatness) { |
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275 | return getPathIterator(at);
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276 | } |
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277 | |||
278 | /*
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279 | * (non-Javadoc)
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280 | *
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281 | * @see org.gvsig.fmap.geom.Geometry#getHandlers(int)
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282 | */
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283 | public Handler[] getHandlers(int type) { |
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284 | return new Handler[] { new PointHandler() }; |
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285 | } |
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286 | |||
287 | class PointHandler extends AbstractHandler implements FinalHandler { |
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288 | |||
289 | public PointHandler() {
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290 | point = new java.awt.geom.Point2D.Double(AbstractPoint.this.getX(), AbstractPoint.this.getY());
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291 | index = 0;
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292 | } |
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293 | |||
294 | public void move(double movex, double movey) { |
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295 | AbstractPoint.this.setX(AbstractPoint.this.getX() + movex); |
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296 | AbstractPoint.this.setY(AbstractPoint.this.getY() + movey); |
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297 | } |
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298 | |||
299 | public void set(double setx, double sety) { |
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300 | AbstractPoint.this.setX(setx); |
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301 | AbstractPoint.this.setY(sety); |
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302 | } |
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303 | } |
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304 | |||
305 | public Envelope getEnvelope() {
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306 | 42463 | fdiaz | return new Envelope2D(this.getX(), this.getY(), this.getX(), this.getY()); |
307 | 42260 | fdiaz | } |
308 | 42273 | fdiaz | |
309 | |||
310 | /* (non-Javadoc)
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311 | * @see org.gvsig.fmap.geom.Geometry#toLines()
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312 | */
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313 | public MultiLine toLines() throws GeometryException { |
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314 | String message = "Can't get lines from a point"; |
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315 | notifyDeprecated(message); |
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316 | throw new UnsupportedOperationException(message); |
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317 | } |
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318 | |||
319 | /* (non-Javadoc)
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320 | * @see org.gvsig.fmap.geom.Geometry#toPolygons()
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321 | */
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322 | public MultiPolygon toPolygons() throws GeometryException { |
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323 | String message = "Can't get polygons from a point"; |
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324 | notifyDeprecated(message); |
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325 | throw new UnsupportedOperationException(message); |
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326 | } |
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327 | 42281 | fdiaz | |
328 | |||
329 | /* (non-Javadoc)
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330 | * @see org.gvsig.fmap.geom.jts.GeometryJTS#flip()
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331 | */
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332 | public void flip() throws GeometryOperationNotSupportedException, GeometryOperationException { |
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333 | 42355 | fdiaz | //Do nothing
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334 | 42281 | fdiaz | } |
335 | 42463 | fdiaz | |
336 | 42813 | fdiaz | public abstract String toString(); |
337 | |||
338 | 43002 | fdiaz | /* (non-Javadoc)
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339 | * @see org.gvsig.fmap.geom.Geometry#canBeTransformed(java.awt.geom.AffineTransform)
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340 | */
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341 | @Override
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342 | public boolean canBeTransformed(AffineTransform at) { |
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343 | return true; |
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344 | } |
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345 | |||
346 | /* (non-Javadoc)
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347 | * @see org.gvsig.fmap.geom.Geometry#canBeReprojected(org.cresques.cts.ICoordTrans)
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348 | */
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349 | @Override
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350 | public boolean canBeReprojected(ICoordTrans ct) { |
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351 | return true; |
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352 | } |
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353 | |||
354 | 43078 | jjdelcerro | @Override
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355 | public int hashCode() { |
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356 | double v[]; |
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357 | if( this.coordinate instanceof MCoordinate ) { |
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358 | v = new double[] { |
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359 | coordinate.x, |
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360 | coordinate.y, |
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361 | coordinate.z, |
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362 | ((MCoordinate)coordinate).m |
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363 | }; |
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364 | } else {
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365 | v = new double[] { |
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366 | coordinate.x, |
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367 | coordinate.y, |
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368 | coordinate.z, |
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369 | Double.NaN
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370 | }; |
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371 | } |
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372 | return Arrays.hashCode(v); |
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373 | } |
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374 | |||
375 | 43490 | jjdelcerro | |
376 | @Override
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377 | public org.gvsig.fmap.geom.primitive.Point centroid() throws GeometryOperationNotSupportedException, |
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378 | GeometryOperationException { |
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379 | return (Point) this.cloneGeometry(); |
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380 | } |
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381 | 42260 | fdiaz | } |