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 / curve / line / AbstractLine.java @ 43002
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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.curve.line; |
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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 | 42464 | fdiaz | import java.awt.geom.GeneralPath; |
28 | 42260 | fdiaz | import java.awt.geom.PathIterator; |
29 | 42281 | fdiaz | import java.util.Collections; |
30 | 42260 | fdiaz | import java.util.Iterator; |
31 | |||
32 | import com.vividsolutions.jts.geom.Coordinate; |
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33 | |||
34 | import org.apache.commons.lang3.StringUtils; |
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35 | import org.cresques.cts.ICoordTrans; |
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36 | import org.slf4j.Logger; |
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37 | import org.slf4j.LoggerFactory; |
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38 | |||
39 | import org.gvsig.fmap.geom.Geometry; |
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40 | import org.gvsig.fmap.geom.exception.ReprojectionRuntimeException; |
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41 | import org.gvsig.fmap.geom.jts.gputils.DefaultGeneralPathX; |
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42 | import org.gvsig.fmap.geom.jts.gputils.GeneralPathXIterator; |
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43 | import org.gvsig.fmap.geom.jts.primitive.curve.AbstractCurve; |
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44 | import org.gvsig.fmap.geom.jts.primitive.point.Point2D; |
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45 | import org.gvsig.fmap.geom.jts.primitive.point.PointJTS; |
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46 | 42267 | fdiaz | import org.gvsig.fmap.geom.jts.util.ArrayListCoordinateSequence; |
47 | import org.gvsig.fmap.geom.jts.util.JTSUtils; |
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48 | 42281 | fdiaz | import org.gvsig.fmap.geom.operation.GeometryOperationException; |
49 | import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
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50 | 42260 | fdiaz | import org.gvsig.fmap.geom.primitive.GeneralPathX; |
51 | import org.gvsig.fmap.geom.primitive.IGeneralPathX; |
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52 | import org.gvsig.fmap.geom.primitive.Point; |
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53 | |||
54 | /**
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55 | * @author fdiaz
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56 | *
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57 | */
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58 | 42270 | fdiaz | public abstract class AbstractLine extends AbstractCurve { |
59 | 42260 | fdiaz | |
60 | /**
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61 | *
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62 | */
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63 | private static final long serialVersionUID = 5034197096871344597L; |
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64 | private static final Logger logger = LoggerFactory.getLogger(AbstractLine.class); |
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65 | |||
66 | protected ArrayListCoordinateSequence coordinates;
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67 | |||
68 | 42392 | jjdelcerro | public class VertexIterator implements Iterator<Point> { |
69 | |||
70 | private PointJTS vertex;
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71 | private int current; |
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72 | |||
73 | public VertexIterator() {
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74 | this.current = 0; |
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75 | if( getNumVertices()>0 ) { |
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76 | this.vertex = (PointJTS) getVertex(0).cloneGeometry(); |
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77 | } else {
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78 | this.vertex = null; |
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79 | } |
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80 | } |
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81 | |||
82 | @Override
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83 | public boolean hasNext() { |
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84 | return this.current < getNumVertices() ; |
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85 | } |
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86 | |||
87 | @Override
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88 | public Point next() { |
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89 | this.vertex.setJTSCoordinate(coordinates.get(current) );
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90 | this.current++;
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91 | return this.vertex; |
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92 | } |
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93 | |||
94 | @Override
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95 | public void remove() { |
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96 | throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates. |
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97 | } |
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98 | |||
99 | 42464 | fdiaz | } |
100 | 42260 | fdiaz | /**
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101 | *
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102 | */
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103 | protected AbstractLine(int subtype) { |
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104 | super(Geometry.TYPES.LINE, subtype);
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105 | } |
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106 | |||
107 | 42283 | fdiaz | /**
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108 | * @param type
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109 | * @param subtype
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110 | */
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111 | public AbstractLine(int type, int subtype) { |
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112 | super(type, subtype);
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113 | } |
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114 | |||
115 | 42392 | jjdelcerro | abstract public Point getVertex(int index); |
116 | 42464 | fdiaz | |
117 | 42392 | jjdelcerro | public Iterator<Point> iterator() { |
118 | return new VertexIterator(); |
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119 | } |
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120 | |||
121 | 42260 | fdiaz | /*
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122 | * (non-Javadoc)
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123 | *
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124 | * @see org.gvsig.fmap.geom.jts.GeometryJTS#getJTS()
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125 | */
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126 | public com.vividsolutions.jts.geom.Geometry getJTS() {
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127 | return JTSUtils.createJTSLineString(coordinates);
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128 | } |
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129 | |||
130 | /*
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131 | * (non-Javadoc)
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132 | *
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133 | * @see
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134 | * org.gvsig.fmap.geom.primitive.OrientablePrimitive#addVertex(org.gvsig
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135 | * .fmap.geom.primitive.Point)
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136 | */
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137 | public void addVertex(Point point) { |
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138 | point = fixPoint(point); |
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139 | coordinates.add(((PointJTS) point).getJTSCoordinate()); |
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140 | } |
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141 | |||
142 | /*
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143 | * (non-Javadoc)
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144 | *
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145 | * @see
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146 | * org.gvsig.fmap.geom.primitive.Curve#setPoints(org.gvsig.fmap.geom.primitive
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147 | * .Point, org.gvsig.fmap.geom.primitive.Point)
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148 | */
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149 | public void setPoints(Point initialPoint, Point endPoint) { |
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150 | initialPoint = fixPoint(initialPoint); |
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151 | endPoint = fixPoint(endPoint); |
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152 | coordinates.clear(); |
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153 | addVertex(initialPoint); |
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154 | addVertex(endPoint); |
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155 | } |
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156 | |||
157 | /**
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158 | 42875 | fdiaz | * @param point
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159 | 42260 | fdiaz | * @return
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160 | */
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161 | protected abstract Point fixPoint(Point point); |
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162 | |||
163 | /*
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164 | * (non-Javadoc)
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165 | *
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166 | * @see
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167 | * org.gvsig.fmap.geom.primitive.OrientablePrimitive#getCoordinateAt(int,
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168 | * int)
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169 | */
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170 | public double getCoordinateAt(int index, int dimension) { |
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171 | return coordinates.getOrdinate(index, dimension);
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172 | } |
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173 | |||
174 | /*
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175 | * (non-Javadoc)
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176 | *
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177 | * @see
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178 | * org.gvsig.fmap.geom.primitive.OrientablePrimitive#setCoordinateAt(int,
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179 | * int, double)
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180 | */
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181 | public void setCoordinateAt(int index, int dimension, double value) { |
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182 | coordinates.setOrdinate(index, dimension, value); |
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183 | } |
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184 | |||
185 | /*
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186 | * (non-Javadoc)
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187 | *
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188 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#removeVertex(int)
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189 | */
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190 | public void removeVertex(int index) { |
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191 | coordinates.remove(index); |
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192 | } |
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193 | |||
194 | /*
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195 | * (non-Javadoc)
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196 | *
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197 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#getNumVertices()
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198 | */
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199 | public int getNumVertices() { |
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200 | return coordinates.size();
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201 | } |
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202 | |||
203 | /*
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204 | * (non-Javadoc)
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205 | *
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206 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#insertVertex(int,
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207 | * org.gvsig.fmap.geom.primitive.Point)
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208 | */
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209 | public void insertVertex(int index, Point p) { |
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210 | p = fixPoint(p); |
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211 | coordinates.add(index, ((PointJTS) p).getJTSCoordinate()); |
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212 | } |
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213 | |||
214 | /*
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215 | * (non-Javadoc)
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216 | *
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217 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#setVertex(int,
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218 | * org.gvsig.fmap.geom.primitive.Point)
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219 | */
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220 | public void setVertex(int index, Point p) { |
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221 | p = fixPoint(p); |
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222 | coordinates.set(index, ((PointJTS) p).getJTSCoordinate()); |
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223 | } |
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224 | |||
225 | /*
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226 | * (non-Javadoc)
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227 | *
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228 | * @see
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229 | * org.gvsig.fmap.geom.primitive.OrientablePrimitive#setGeneralPath(org.
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230 | * gvsig.fmap.geom.primitive.GeneralPathX)
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231 | */
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232 | public void setGeneralPath(GeneralPathX generalPathX) { |
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233 | PathIterator it = generalPathX.getPathIterator(null); |
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234 | double[] segment = new double[6]; |
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235 | int i = 0; |
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236 | while(!it.isDone()){
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237 | int type = it.currentSegment(segment);
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238 | if(i==0){ |
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239 | switch (type) {
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240 | case IGeneralPathX.SEG_MOVETO:
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241 | Point p = new Point2D(segment[0], segment[1]); |
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242 | p = fixPoint(p); |
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243 | coordinates.add(((PointJTS)p).getJTSCoordinate()); |
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244 | break;
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245 | default:
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246 | String message = StringUtils.replace("Type of segment %(segment)s isn't SEG_MOVETO.","%(segment)s",String.valueOf(i)); |
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247 | logger.warn(message); |
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248 | throw new RuntimeException(message); |
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249 | } |
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250 | } else {
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251 | 42261 | fdiaz | //Dudo de que los casos SEG_QUADTO y SEG_CUBICTO est?n bien pero se hac?a lo mismo en la librer?a de geometr?as vieja.
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252 | Point p;
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253 | 42260 | fdiaz | switch (type) {
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254 | case IGeneralPathX.SEG_LINETO:
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255 | 42261 | fdiaz | p = new Point2D(segment[0], segment[1]); |
256 | 42260 | fdiaz | p = fixPoint(p); |
257 | coordinates.add(((PointJTS)p).getJTSCoordinate()); |
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258 | break;
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259 | 42261 | fdiaz | case IGeneralPathX.SEG_QUADTO:
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260 | for (int j = 0; j <= 1; j++) { |
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261 | p = new Point2D(segment[i], segment[i+1]); |
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262 | p = fixPoint(p); |
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263 | coordinates.add(((PointJTS) p).getJTSCoordinate()); |
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264 | } |
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265 | break;
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266 | case IGeneralPathX.SEG_CUBICTO:
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267 | for (int j = 0; j <= 2; j++) { |
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268 | p = new Point2D(segment[i], segment[i+1]); |
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269 | p = fixPoint(p); |
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270 | coordinates.add(((PointJTS) p).getJTSCoordinate()); |
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271 | } |
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272 | break;
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273 | 42260 | fdiaz | case IGeneralPathX.SEG_CLOSE:
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274 | 42980 | fdiaz | if(!coordinates.get(0).equals(coordinates.get(coordinates.size()-1))){ |
275 | coordinates.add(coordinates.get(0));
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276 | } |
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277 | 42260 | fdiaz | break;
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278 | default:
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279 | String message = StringUtils.replace("The general path has a gap in segment %(segment)s.","%(segment)s",String.valueOf(i)); |
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280 | logger.warn(message); |
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281 | throw new RuntimeException(message); |
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282 | } |
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283 | } |
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284 | it.next(); |
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285 | i++; |
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286 | } |
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287 | } |
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288 | |||
289 | /*
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290 | * (non-Javadoc)
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291 | *
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292 | * @see
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293 | * org.gvsig.fmap.geom.primitive.OrientablePrimitive#addMoveToVertex(org
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294 | * .gvsig.fmap.geom.primitive.Point)
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295 | */
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296 | public void addMoveToVertex(Point point) { |
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297 | 42267 | fdiaz | notifyDeprecated("Calling deprecated metohd addMoveToVertex in Line");
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298 | 42260 | fdiaz | throw new UnsupportedOperationException(); |
299 | } |
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300 | |||
301 | /*
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302 | * (non-Javadoc)
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303 | *
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304 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#closePrimitive()
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305 | */
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306 | public void closePrimitive() { |
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307 | 42477 | fdiaz | if (!coordinates.isEmpty() && !isClosed()) {
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308 | 42283 | fdiaz | coordinates.add((Coordinate)coordinates.get(0).clone());
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309 | 42260 | fdiaz | } |
310 | } |
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311 | |||
312 | /*
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313 | * (non-Javadoc)
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314 | *
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315 | * @see
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316 | * org.gvsig.fmap.geom.primitive.OrientablePrimitive#ensureCapacity(int)
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317 | */
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318 | public void ensureCapacity(int capacity) { |
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319 | 42267 | fdiaz | this.coordinates.ensureCapacity(capacity);
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320 | 42260 | fdiaz | } |
321 | |||
322 | /*
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323 | * (non-Javadoc)
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324 | *
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325 | * @see org.gvsig.fmap.geom.Geometry#reProject(org.cresques.cts.ICoordTrans)
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326 | */
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327 | public void reProject(ICoordTrans ct) { |
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328 | if (ct == null) { |
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329 | return;
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330 | } |
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331 | 42464 | fdiaz | ArrayListCoordinateSequence tmpCoordinates = new ArrayListCoordinateSequence();
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332 | tmpCoordinates.ensureCapacity(coordinates.size()); |
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333 | 42271 | fdiaz | for (Iterator<Coordinate> iterator = coordinates.iterator(); iterator.hasNext();) { |
334 | 42260 | fdiaz | Coordinate coordinate = (Coordinate) iterator.next(); |
335 | |||
336 | java.awt.geom.Point2D p = new java.awt.geom.Point2D.Double(coordinate.x, coordinate.y);
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337 | try {
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338 | p = ct.convert(p, p); |
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339 | coordinate.x = p.getX(); |
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340 | coordinate.y = p.getY(); |
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341 | 42464 | fdiaz | tmpCoordinates.add(coordinate); |
342 | 42260 | fdiaz | } catch (Exception exc) { |
343 | /*
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344 | * This can happen when the reprojection lib is unable
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345 | * to reproject (for example the source point
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346 | * is out of the valid range and some computing
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347 | * problem happens)
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348 | */
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349 | } |
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350 | } |
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351 | 42464 | fdiaz | coordinates=tmpCoordinates; |
352 | 42260 | fdiaz | } |
353 | |||
354 | /*
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355 | * (non-Javadoc)
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356 | *
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357 | * @see
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358 | * org.gvsig.fmap.geom.Geometry#transform(java.awt.geom.AffineTransform)
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359 | */
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360 | public void transform(AffineTransform at) { |
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361 | if (at == null) { |
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362 | return;
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363 | } |
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364 | |||
365 | 42283 | fdiaz | for (int i = 0; i < coordinates.size(); i++) { |
366 | Coordinate coordinate = coordinates.get(i); |
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367 | 42260 | fdiaz | java.awt.geom.Point2D p = new java.awt.geom.Point2D.Double(coordinate.x, coordinate.y);
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368 | |||
369 | at.transform(p, p); |
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370 | coordinate.x = p.getX(); |
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371 | coordinate.y = p.getY(); |
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372 | 42283 | fdiaz | |
373 | 42260 | fdiaz | } |
374 | } |
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375 | |||
376 | /*
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377 | * (non-Javadoc)
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378 | *
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379 | * @see org.gvsig.fmap.geom.Geometry#getDimension()
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380 | */
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381 | public int getDimension() { |
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382 | 42392 | jjdelcerro | return this.getGeometryType().getDimension(); |
383 | 42260 | fdiaz | } |
384 | |||
385 | /*
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386 | * (non-Javadoc)
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387 | *
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388 | * @see org.gvsig.fmap.geom.Geometry#getShape(java.awt.geom.AffineTransform)
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389 | */
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390 | public Shape getShape(AffineTransform affineTransform) { |
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391 | 42387 | jjdelcerro | if( this.coordinates.isEmpty() ) { |
392 | // Esto no deberia de pasar, se trataria de una geometria
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393 | // corrupta.
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394 | return new GeneralPath(); |
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395 | } |
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396 | 42267 | fdiaz | return new DefaultGeneralPathX(getPathIterator(affineTransform),false,0); |
397 | 42260 | fdiaz | } |
398 | |||
399 | /*
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400 | * (non-Javadoc)
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401 | *
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402 | * @see org.gvsig.fmap.geom.Geometry#getShape()
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403 | */
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404 | public Shape getShape() { |
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405 | 42267 | fdiaz | return new DefaultGeneralPathX(getPathIterator(null),false,0); |
406 | 42260 | fdiaz | } |
407 | |||
408 | |||
409 | /*
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410 | * (non-Javadoc)
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411 | *
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412 | * @see
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413 | * org.gvsig.fmap.geom.Geometry#getPathIterator(java.awt.geom.AffineTransform
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414 | 42267 | fdiaz | * )
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415 | 42260 | fdiaz | */
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416 | 42267 | fdiaz | public PathIterator getPathIterator(AffineTransform at) { |
417 | 42260 | fdiaz | LineIterator pi = new LineIterator(at);
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418 | return pi;
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419 | } |
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420 | |||
421 | /*
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422 | * (non-Javadoc)
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423 | *
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424 | 42267 | fdiaz | * @see
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425 | * org.gvsig.fmap.geom.Geometry#getPathIterator(java.awt.geom.AffineTransform
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426 | * , double)
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427 | 42260 | fdiaz | */
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428 | 42267 | fdiaz | public PathIterator getPathIterator(AffineTransform at, double flatness) { |
429 | return getPathIterator(at);
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430 | 42260 | fdiaz | } |
431 | |||
432 | 42275 | fdiaz | /*
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433 | * (non-Javadoc)
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434 | *
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435 | * @see org.gvsig.fmap.geom.Geometry#getGeneralPath()
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436 | */
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437 | public GeneralPathX getGeneralPath() {
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438 | return new DefaultGeneralPathX(getPathIterator(null), false, 0); |
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439 | } |
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440 | |||
441 | 42267 | fdiaz | protected class LineIterator extends GeneralPathXIterator { |
442 | 42260 | fdiaz | |
443 | /** Transform applied on the coordinates during iteration */
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444 | private AffineTransform at; |
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445 | |||
446 | /** True when the point has been read once */
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447 | private boolean done; |
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448 | private int index = 0; |
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449 | |||
450 | /**
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451 | * Creates a new PointIterator object.
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452 | *
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453 | * @param p
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454 | * The polygon
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455 | * @param at
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456 | * The affine transform applied to coordinates during
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457 | * iteration
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458 | */
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459 | public LineIterator(AffineTransform at) { |
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460 | super(new GeneralPathX()); |
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461 | if (at == null) { |
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462 | at = new AffineTransform(); |
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463 | } |
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464 | |||
465 | this.at = at;
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466 | done = false;
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467 | } |
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468 | |||
469 | /**
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470 | * Return the winding rule for determining the interior of the path.
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471 | *
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472 | * @return <code>WIND_EVEN_ODD</code> by default.
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473 | */
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474 | public int getWindingRule() { |
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475 | return PathIterator.WIND_EVEN_ODD; |
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476 | } |
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477 | |||
478 | /**
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479 | * @see java.awt.geom.PathIterator#next()
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480 | */
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481 | public void next() { |
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482 | 42283 | fdiaz | done = (coordinates.size() == ++index); |
483 | 42260 | fdiaz | } |
484 | |||
485 | /**
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486 | * @see java.awt.geom.PathIterator#isDone()
|
||
487 | */
|
||
488 | public boolean isDone() { |
||
489 | return done;
|
||
490 | } |
||
491 | |||
492 | /**
|
||
493 | * @see java.awt.geom.PathIterator#currentSegment(double[])
|
||
494 | */
|
||
495 | public int currentSegment(double[] coords) { |
||
496 | coords[0] = coordinates.getX(index);
|
||
497 | coords[1] = coordinates.getY(index);
|
||
498 | at.transform(coords, 0, coords, 0, 1); |
||
499 | |||
500 | if (index == 0) { |
||
501 | return PathIterator.SEG_MOVETO; |
||
502 | } else {
|
||
503 | return PathIterator.SEG_LINETO; |
||
504 | } |
||
505 | } |
||
506 | |||
507 | /*
|
||
508 | * (non-Javadoc)
|
||
509 | *
|
||
510 | * @see java.awt.geom.PathIterator#currentSegment(float[])
|
||
511 | */
|
||
512 | public int currentSegment(float[] coords) { |
||
513 | coords[0] = (float) coordinates.getX(index); |
||
514 | coords[1] = (float) coordinates.getY(index); |
||
515 | at.transform(coords, 0, coords, 0, 1); |
||
516 | |||
517 | if (index == 0) { |
||
518 | return PathIterator.SEG_MOVETO; |
||
519 | } else {
|
||
520 | return PathIterator.SEG_LINETO; |
||
521 | } |
||
522 | } |
||
523 | } |
||
524 | |||
525 | /*
|
||
526 | * (non-Javadoc)
|
||
527 | *
|
||
528 | * @see org.gvsig.fmap.geom.jts.GeometryJTS#is3D()
|
||
529 | */
|
||
530 | public boolean is3D() { |
||
531 | 42392 | jjdelcerro | int subtype = this.getGeometryType().getType(); |
532 | return subtype == Geometry.SUBTYPES.GEOM3D || subtype == Geometry.SUBTYPES.GEOM3DM;
|
||
533 | 42260 | fdiaz | } |
534 | |||
535 | 42267 | fdiaz | protected boolean isClosed(){ |
536 | return coordinates.get(0).equals(coordinates.get(coordinates.size()-1)); |
||
537 | } |
||
538 | 42281 | fdiaz | |
539 | /* (non-Javadoc)
|
||
540 | * @see org.gvsig.fmap.geom.jts.GeometryJTS#flip()
|
||
541 | */
|
||
542 | public void flip() throws GeometryOperationNotSupportedException, GeometryOperationException { |
||
543 | Collections.reverse(coordinates);
|
||
544 | } |
||
545 | |||
546 | 42283 | fdiaz | protected ArrayListCoordinateSequence cloneCoordinates() {
|
547 | ArrayListCoordinateSequence cloned = new ArrayListCoordinateSequence();
|
||
548 | cloned.ensureCapacity(coordinates.size()); |
||
549 | for (Iterator iterator = coordinates.iterator(); iterator.hasNext();) { |
||
550 | Coordinate coordinate = (Coordinate) iterator.next(); |
||
551 | cloned.add((Coordinate)coordinate.clone()); |
||
552 | } |
||
553 | return cloned;
|
||
554 | } |
||
555 | |||
556 | 43002 | fdiaz | |
557 | @Override
|
||
558 | public boolean canBeTransformed(AffineTransform at) { |
||
559 | return true; |
||
560 | } |
||
561 | |||
562 | @Override
|
||
563 | public boolean canBeReprojected(ICoordTrans ct) { |
||
564 | return true; |
||
565 | } |
||
566 | |||
567 | 42260 | fdiaz | } |