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 @ 42357
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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 | import java.awt.geom.PathIterator; |
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28 | 42281 | fdiaz | import java.util.Collections; |
29 | 42260 | fdiaz | import java.util.Iterator; |
30 | |||
31 | import com.vividsolutions.jts.geom.Coordinate; |
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32 | |||
33 | import org.apache.commons.lang3.StringUtils; |
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34 | import org.cresques.cts.ICoordTrans; |
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35 | import org.slf4j.Logger; |
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36 | import org.slf4j.LoggerFactory; |
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37 | |||
38 | import org.gvsig.fmap.geom.Geometry; |
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39 | import org.gvsig.fmap.geom.exception.ReprojectionRuntimeException; |
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40 | import org.gvsig.fmap.geom.jts.gputils.DefaultGeneralPathX; |
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41 | import org.gvsig.fmap.geom.jts.gputils.GeneralPathXIterator; |
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42 | import org.gvsig.fmap.geom.jts.primitive.curve.AbstractCurve; |
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43 | import org.gvsig.fmap.geom.jts.primitive.point.Point2D; |
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44 | import org.gvsig.fmap.geom.jts.primitive.point.PointJTS; |
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45 | 42267 | fdiaz | import org.gvsig.fmap.geom.jts.util.ArrayListCoordinateSequence; |
46 | import org.gvsig.fmap.geom.jts.util.JTSUtils; |
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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.GeneralPathX; |
50 | import org.gvsig.fmap.geom.primitive.IGeneralPathX; |
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51 | import org.gvsig.fmap.geom.primitive.Point; |
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52 | |||
53 | /**
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54 | * @author fdiaz
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55 | *
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56 | */
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57 | 42270 | fdiaz | public abstract class AbstractLine extends AbstractCurve { |
58 | 42260 | fdiaz | |
59 | /**
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60 | *
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61 | */
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62 | private static final long serialVersionUID = 5034197096871344597L; |
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63 | private static final Logger logger = LoggerFactory.getLogger(AbstractLine.class); |
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64 | |||
65 | protected ArrayListCoordinateSequence coordinates;
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66 | 42267 | fdiaz | protected PointJTS anyVertex;
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67 | 42260 | fdiaz | |
68 | /**
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69 | *
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70 | */
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71 | protected AbstractLine(int subtype) { |
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72 | super(Geometry.TYPES.LINE, subtype);
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73 | } |
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74 | |||
75 | 42283 | fdiaz | /**
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76 | * @param type
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77 | * @param subtype
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78 | */
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79 | public AbstractLine(int type, int subtype) { |
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80 | super(type, subtype);
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81 | } |
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82 | |||
83 | 42260 | fdiaz | /*
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84 | * (non-Javadoc)
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85 | *
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86 | * @see org.gvsig.fmap.geom.jts.GeometryJTS#getJTS()
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87 | */
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88 | public com.vividsolutions.jts.geom.Geometry getJTS() {
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89 | return JTSUtils.createJTSLineString(coordinates);
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90 | } |
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91 | |||
92 | /*
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93 | * (non-Javadoc)
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94 | *
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95 | * @see
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96 | * org.gvsig.fmap.geom.primitive.OrientablePrimitive#addVertex(org.gvsig
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97 | * .fmap.geom.primitive.Point)
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98 | */
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99 | public void addVertex(Point point) { |
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100 | point = fixPoint(point); |
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101 | coordinates.add(((PointJTS) point).getJTSCoordinate()); |
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102 | 42267 | fdiaz | anyVertex = (PointJTS) point; |
103 | 42260 | fdiaz | } |
104 | |||
105 | /*
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106 | * (non-Javadoc)
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107 | *
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108 | * @see
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109 | * org.gvsig.fmap.geom.primitive.Curve#setPoints(org.gvsig.fmap.geom.primitive
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110 | * .Point, org.gvsig.fmap.geom.primitive.Point)
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111 | */
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112 | public void setPoints(Point initialPoint, Point endPoint) { |
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113 | initialPoint = fixPoint(initialPoint); |
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114 | endPoint = fixPoint(endPoint); |
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115 | coordinates.clear(); |
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116 | addVertex(initialPoint); |
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117 | addVertex(endPoint); |
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118 | } |
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119 | |||
120 | /**
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121 | * @param initialPoint
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122 | * @return
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123 | */
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124 | protected abstract Point fixPoint(Point point); |
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125 | |||
126 | /*
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127 | * (non-Javadoc)
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128 | *
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129 | * @see
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130 | * org.gvsig.fmap.geom.primitive.OrientablePrimitive#getCoordinateAt(int,
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131 | * int)
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132 | */
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133 | public double getCoordinateAt(int index, int dimension) { |
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134 | return coordinates.getOrdinate(index, dimension);
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135 | } |
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136 | |||
137 | /*
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138 | * (non-Javadoc)
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139 | *
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140 | * @see
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141 | * org.gvsig.fmap.geom.primitive.OrientablePrimitive#setCoordinateAt(int,
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142 | * int, double)
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143 | */
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144 | public void setCoordinateAt(int index, int dimension, double value) { |
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145 | coordinates.setOrdinate(index, dimension, value); |
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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.OrientablePrimitive#removeVertex(int)
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152 | */
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153 | public void removeVertex(int index) { |
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154 | coordinates.remove(index); |
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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.OrientablePrimitive#getNumVertices()
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161 | */
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162 | public int getNumVertices() { |
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163 | return coordinates.size();
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164 | } |
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165 | |||
166 | /*
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167 | * (non-Javadoc)
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168 | *
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169 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#insertVertex(int,
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170 | * org.gvsig.fmap.geom.primitive.Point)
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171 | */
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172 | public void insertVertex(int index, Point p) { |
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173 | p = fixPoint(p); |
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174 | coordinates.add(index, ((PointJTS) p).getJTSCoordinate()); |
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175 | } |
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176 | |||
177 | /*
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178 | * (non-Javadoc)
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179 | *
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180 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#setVertex(int,
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181 | * org.gvsig.fmap.geom.primitive.Point)
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182 | */
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183 | public void setVertex(int index, Point p) { |
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184 | p = fixPoint(p); |
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185 | coordinates.set(index, ((PointJTS) p).getJTSCoordinate()); |
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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
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192 | * org.gvsig.fmap.geom.primitive.OrientablePrimitive#setGeneralPath(org.
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193 | * gvsig.fmap.geom.primitive.GeneralPathX)
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194 | */
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195 | public void setGeneralPath(GeneralPathX generalPathX) { |
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196 | PathIterator it = generalPathX.getPathIterator(null); |
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197 | double[] segment = new double[6]; |
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198 | int i = 0; |
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199 | while(!it.isDone()){
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200 | int type = it.currentSegment(segment);
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201 | if(i==0){ |
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202 | switch (type) {
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203 | case IGeneralPathX.SEG_MOVETO:
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204 | Point p = new Point2D(segment[0], segment[1]); |
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205 | p = fixPoint(p); |
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206 | coordinates.add(((PointJTS)p).getJTSCoordinate()); |
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207 | break;
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208 | default:
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209 | String message = StringUtils.replace("Type of segment %(segment)s isn't SEG_MOVETO.","%(segment)s",String.valueOf(i)); |
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210 | logger.warn(message); |
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211 | throw new RuntimeException(message); |
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212 | } |
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213 | } else {
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214 | 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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215 | Point p;
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216 | 42260 | fdiaz | switch (type) {
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217 | case IGeneralPathX.SEG_LINETO:
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218 | 42261 | fdiaz | p = new Point2D(segment[0], segment[1]); |
219 | 42260 | fdiaz | p = fixPoint(p); |
220 | coordinates.add(((PointJTS)p).getJTSCoordinate()); |
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221 | break;
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222 | 42261 | fdiaz | case IGeneralPathX.SEG_QUADTO:
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223 | for (int j = 0; j <= 1; j++) { |
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224 | p = new Point2D(segment[i], segment[i+1]); |
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225 | p = fixPoint(p); |
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226 | coordinates.add(((PointJTS) p).getJTSCoordinate()); |
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227 | } |
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228 | break;
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229 | case IGeneralPathX.SEG_CUBICTO:
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230 | for (int j = 0; j <= 2; j++) { |
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231 | p = new Point2D(segment[i], segment[i+1]); |
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232 | p = fixPoint(p); |
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233 | coordinates.add(((PointJTS) p).getJTSCoordinate()); |
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234 | } |
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235 | break;
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236 | 42260 | fdiaz | case IGeneralPathX.SEG_CLOSE:
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237 | coordinates.add(coordinates.get(0));
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238 | break;
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239 | default:
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240 | String message = StringUtils.replace("The general path has a gap in segment %(segment)s.","%(segment)s",String.valueOf(i)); |
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241 | logger.warn(message); |
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242 | throw new RuntimeException(message); |
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243 | } |
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244 | } |
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245 | it.next(); |
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246 | i++; |
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247 | } |
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248 | } |
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249 | |||
250 | /*
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251 | * (non-Javadoc)
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252 | *
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253 | * @see
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254 | * org.gvsig.fmap.geom.primitive.OrientablePrimitive#addMoveToVertex(org
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255 | * .gvsig.fmap.geom.primitive.Point)
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256 | */
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257 | public void addMoveToVertex(Point point) { |
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258 | 42267 | fdiaz | notifyDeprecated("Calling deprecated metohd addMoveToVertex in Line");
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259 | 42260 | fdiaz | throw new UnsupportedOperationException(); |
260 | } |
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261 | |||
262 | /*
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263 | * (non-Javadoc)
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264 | *
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265 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#closePrimitive()
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266 | */
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267 | public void closePrimitive() { |
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268 | 42304 | fdiaz | if (!coordinates.isEmpty() && !coordinates.get(0).equals(coordinates.get(coordinates.size()-1))) { |
269 | 42283 | fdiaz | coordinates.add((Coordinate)coordinates.get(0).clone());
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270 | 42260 | fdiaz | } |
271 | } |
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272 | |||
273 | /*
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274 | * (non-Javadoc)
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275 | *
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276 | * @see
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277 | * org.gvsig.fmap.geom.primitive.OrientablePrimitive#ensureCapacity(int)
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278 | */
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279 | public void ensureCapacity(int capacity) { |
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280 | 42267 | fdiaz | this.coordinates.ensureCapacity(capacity);
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281 | 42260 | fdiaz | } |
282 | |||
283 | /*
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284 | * (non-Javadoc)
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285 | *
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286 | * @see org.gvsig.fmap.geom.Geometry#reProject(org.cresques.cts.ICoordTrans)
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287 | */
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288 | public void reProject(ICoordTrans ct) { |
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289 | if (ct == null) { |
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290 | return;
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291 | } |
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292 | 42271 | fdiaz | for (Iterator<Coordinate> iterator = coordinates.iterator(); iterator.hasNext();) { |
293 | 42260 | fdiaz | Coordinate coordinate = (Coordinate) iterator.next(); |
294 | |||
295 | java.awt.geom.Point2D p = new java.awt.geom.Point2D.Double(coordinate.x, coordinate.y);
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296 | try {
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297 | p = ct.convert(p, p); |
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298 | coordinate.x = p.getX(); |
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299 | coordinate.y = p.getY(); |
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300 | } catch (Exception exc) { |
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301 | /*
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302 | * This can happen when the reprojection lib is unable
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303 | * to reproject (for example the source point
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304 | * is out of the valid range and some computing
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305 | * problem happens)
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306 | */
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307 | throw new ReprojectionRuntimeException(ct.getPOrig(), ct.getPDest(), p, exc); |
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308 | } |
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309 | } |
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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.Geometry#transform(java.awt.geom.AffineTransform)
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317 | */
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318 | public void transform(AffineTransform at) { |
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319 | if (at == null) { |
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320 | return;
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321 | } |
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322 | |||
323 | 42283 | fdiaz | for (int i = 0; i < coordinates.size(); i++) { |
324 | Coordinate coordinate = coordinates.get(i); |
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325 | 42260 | fdiaz | java.awt.geom.Point2D p = new java.awt.geom.Point2D.Double(coordinate.x, coordinate.y);
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326 | |||
327 | at.transform(p, p); |
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328 | coordinate.x = p.getX(); |
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329 | coordinate.y = p.getY(); |
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330 | 42283 | fdiaz | |
331 | 42260 | fdiaz | } |
332 | } |
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333 | |||
334 | /*
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335 | * (non-Javadoc)
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336 | *
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337 | * @see org.gvsig.fmap.geom.Geometry#getDimension()
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338 | */
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339 | public int getDimension() { |
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340 | 42267 | fdiaz | return anyVertex.getDimension();
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341 | 42260 | fdiaz | } |
342 | |||
343 | /*
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344 | * (non-Javadoc)
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345 | *
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346 | * @see org.gvsig.fmap.geom.Geometry#getShape(java.awt.geom.AffineTransform)
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347 | */
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348 | public Shape getShape(AffineTransform affineTransform) { |
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349 | 42267 | fdiaz | return new DefaultGeneralPathX(getPathIterator(affineTransform),false,0); |
350 | 42260 | fdiaz | } |
351 | |||
352 | /*
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353 | * (non-Javadoc)
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354 | *
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355 | * @see org.gvsig.fmap.geom.Geometry#getShape()
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356 | */
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357 | public Shape getShape() { |
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358 | 42267 | fdiaz | return new DefaultGeneralPathX(getPathIterator(null),false,0); |
359 | 42260 | fdiaz | } |
360 | |||
361 | |||
362 | /*
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363 | * (non-Javadoc)
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364 | *
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365 | * @see
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366 | * org.gvsig.fmap.geom.Geometry#getPathIterator(java.awt.geom.AffineTransform
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367 | 42267 | fdiaz | * )
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368 | 42260 | fdiaz | */
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369 | 42267 | fdiaz | public PathIterator getPathIterator(AffineTransform at) { |
370 | 42260 | fdiaz | LineIterator pi = new LineIterator(at);
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371 | return pi;
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372 | } |
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373 | |||
374 | /*
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375 | * (non-Javadoc)
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376 | *
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377 | 42267 | fdiaz | * @see
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378 | * org.gvsig.fmap.geom.Geometry#getPathIterator(java.awt.geom.AffineTransform
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379 | * , double)
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380 | 42260 | fdiaz | */
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381 | 42267 | fdiaz | public PathIterator getPathIterator(AffineTransform at, double flatness) { |
382 | return getPathIterator(at);
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383 | 42260 | fdiaz | } |
384 | |||
385 | 42275 | fdiaz | /*
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386 | * (non-Javadoc)
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387 | *
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388 | * @see org.gvsig.fmap.geom.Geometry#getGeneralPath()
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389 | */
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390 | public GeneralPathX getGeneralPath() {
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391 | return new DefaultGeneralPathX(getPathIterator(null), false, 0); |
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392 | } |
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393 | |||
394 | 42267 | fdiaz | protected class LineIterator extends GeneralPathXIterator { |
395 | 42260 | fdiaz | |
396 | /** Transform applied on the coordinates during iteration */
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397 | private AffineTransform at; |
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398 | |||
399 | /** True when the point has been read once */
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400 | private boolean done; |
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401 | private int index = 0; |
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402 | |||
403 | /**
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404 | * Creates a new PointIterator object.
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405 | *
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406 | * @param p
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407 | * The polygon
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408 | * @param at
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409 | * The affine transform applied to coordinates during
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410 | * iteration
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411 | */
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412 | public LineIterator(AffineTransform at) { |
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413 | super(new GeneralPathX()); |
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414 | if (at == null) { |
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415 | at = new AffineTransform(); |
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416 | } |
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417 | |||
418 | this.at = at;
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419 | done = false;
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420 | } |
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421 | |||
422 | /**
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423 | * Return the winding rule for determining the interior of the path.
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424 | *
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425 | * @return <code>WIND_EVEN_ODD</code> by default.
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426 | */
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427 | public int getWindingRule() { |
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428 | return PathIterator.WIND_EVEN_ODD; |
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429 | } |
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430 | |||
431 | /**
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432 | * @see java.awt.geom.PathIterator#next()
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433 | */
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434 | public void next() { |
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435 | 42283 | fdiaz | done = (coordinates.size() == ++index); |
436 | 42260 | fdiaz | } |
437 | |||
438 | /**
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439 | * @see java.awt.geom.PathIterator#isDone()
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440 | */
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441 | public boolean isDone() { |
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442 | return done;
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443 | } |
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444 | |||
445 | /**
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446 | * @see java.awt.geom.PathIterator#currentSegment(double[])
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447 | */
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448 | public int currentSegment(double[] coords) { |
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449 | coords[0] = coordinates.getX(index);
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450 | coords[1] = coordinates.getY(index);
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451 | at.transform(coords, 0, coords, 0, 1); |
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452 | |||
453 | if (index == 0) { |
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454 | return PathIterator.SEG_MOVETO; |
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455 | } else {
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456 | return PathIterator.SEG_LINETO; |
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457 | } |
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458 | } |
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459 | |||
460 | /*
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461 | * (non-Javadoc)
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462 | *
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463 | * @see java.awt.geom.PathIterator#currentSegment(float[])
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464 | */
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465 | public int currentSegment(float[] coords) { |
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466 | coords[0] = (float) coordinates.getX(index); |
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467 | coords[1] = (float) coordinates.getY(index); |
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468 | at.transform(coords, 0, coords, 0, 1); |
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469 | |||
470 | if (index == 0) { |
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471 | return PathIterator.SEG_MOVETO; |
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472 | } else {
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473 | return PathIterator.SEG_LINETO; |
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474 | } |
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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 org.gvsig.fmap.geom.jts.GeometryJTS#is3D()
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482 | */
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483 | public boolean is3D() { |
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484 | 42267 | fdiaz | return anyVertex.is3D();
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485 | 42260 | fdiaz | } |
486 | |||
487 | 42267 | fdiaz | protected boolean isClosed(){ |
488 | return coordinates.get(0).equals(coordinates.get(coordinates.size()-1)); |
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489 | } |
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490 | 42281 | fdiaz | |
491 | /* (non-Javadoc)
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492 | * @see org.gvsig.fmap.geom.jts.GeometryJTS#flip()
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493 | */
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494 | public void flip() throws GeometryOperationNotSupportedException, GeometryOperationException { |
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495 | Collections.reverse(coordinates);
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496 | } |
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497 | |||
498 | 42283 | fdiaz | protected ArrayListCoordinateSequence cloneCoordinates() {
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499 | ArrayListCoordinateSequence cloned = new ArrayListCoordinateSequence();
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500 | cloned.ensureCapacity(coordinates.size()); |
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501 | for (Iterator iterator = coordinates.iterator(); iterator.hasNext();) { |
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502 | Coordinate coordinate = (Coordinate) iterator.next(); |
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503 | cloned.add((Coordinate)coordinate.clone()); |
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504 | } |
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505 | return cloned;
|
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506 | } |
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507 | |||
508 | 42260 | fdiaz | } |