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 / surface / ellipticarc / AbstractEllipticArc.java @ 43002
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1 | 42304 | 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.surface.ellipticarc; |
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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.Arc2D; |
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28 | import java.awt.geom.PathIterator; |
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29 | |||
30 | 42464 | fdiaz | import org.cresques.cts.CoordTransRuntimeException; |
31 | 42304 | fdiaz | import org.cresques.cts.ICoordTrans; |
32 | |||
33 | 42441 | fdiaz | import org.gvsig.fmap.geom.Geometry; |
34 | 42304 | fdiaz | import org.gvsig.fmap.geom.GeometryLocator; |
35 | import org.gvsig.fmap.geom.GeometryManager; |
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36 | import org.gvsig.fmap.geom.jts.gputils.DefaultGeneralPathX; |
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37 | import org.gvsig.fmap.geom.jts.primitive.point.Point2D; |
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38 | import org.gvsig.fmap.geom.jts.primitive.point.PointJTS; |
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39 | import org.gvsig.fmap.geom.jts.primitive.surface.AbstractSurface; |
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40 | import org.gvsig.fmap.geom.jts.util.JTSUtils; |
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41 | import org.gvsig.fmap.geom.jts.util.UtilFunctions; |
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42 | import org.gvsig.fmap.geom.operation.GeometryOperationException; |
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43 | import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
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44 | 42441 | fdiaz | import org.gvsig.fmap.geom.primitive.EllipticArc; |
45 | 42304 | fdiaz | import org.gvsig.fmap.geom.primitive.GeneralPathX; |
46 | import org.gvsig.fmap.geom.primitive.Line; |
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47 | import org.gvsig.fmap.geom.primitive.Point; |
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48 | import org.gvsig.fmap.geom.primitive.Polygon; |
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49 | import org.gvsig.fmap.geom.primitive.Ring; |
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50 | import org.gvsig.tools.exception.BaseException; |
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51 | |||
52 | |||
53 | /**
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54 | * @author fdiaz
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55 | *
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56 | */
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57 | public abstract class AbstractEllipticArc extends AbstractSurface { |
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58 | |||
59 | 42464 | fdiaz | /**
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60 | *
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61 | */
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62 | private static final long serialVersionUID = 6163269454714321454L; |
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63 | 42304 | fdiaz | protected Point axis1Start; |
64 | protected Point axis1End; |
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65 | protected double semiAxis2Length; |
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66 | protected double angSt; |
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67 | protected double angExt; |
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68 | |||
69 | |||
70 | /**
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71 | * @param type
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72 | * @param subtype
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73 | */
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74 | protected AbstractEllipticArc(int type, int subtype) { |
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75 | super(type, subtype);
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76 | } |
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77 | |||
78 | /* (non-Javadoc)
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79 | * @see org.gvsig.fmap.geom.primitive.Surface#getNumInteriorRings()
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80 | */
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81 | public int getNumInteriorRings() { |
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82 | String message = "Calling deprecated method getInteriorRing of a ellipticArc"; |
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83 | notifyDeprecated(message); |
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84 | throw new UnsupportedOperationException(message); |
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85 | } |
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86 | |||
87 | /* (non-Javadoc)
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88 | * @see org.gvsig.fmap.geom.primitive.Surface#getInteriorRing(int)
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89 | */
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90 | public Ring getInteriorRing(int index) { |
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91 | String message = "Calling deprecated method getInteriorRing of a ellipticArc"; |
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92 | notifyDeprecated(message); |
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93 | throw new UnsupportedOperationException(message); |
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94 | } |
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95 | |||
96 | /* (non-Javadoc)
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97 | * @see org.gvsig.fmap.geom.primitive.Surface#addInteriorRing(org.gvsig.fmap.geom.primitive.Ring)
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98 | */
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99 | public void addInteriorRing(Ring ring) { |
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100 | String message = "Calling unsupported method addInteriorRing of a ellipticArc"; |
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101 | notifyDeprecated(message); |
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102 | throw new UnsupportedOperationException(message); |
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103 | } |
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104 | |||
105 | /* (non-Javadoc)
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106 | * @see org.gvsig.fmap.geom.primitive.Surface#addInteriorRing(org.gvsig.fmap.geom.primitive.Line)
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107 | */
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108 | public void addInteriorRing(Line ring) { |
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109 | |||
110 | String message = "Calling unsupported method addInteriorRing of a ellipticArc"; |
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111 | notifyDeprecated(message); |
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112 | throw new UnsupportedOperationException(message); |
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113 | |||
114 | } |
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115 | |||
116 | /* (non-Javadoc)
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117 | * @see org.gvsig.fmap.geom.primitive.Surface#addInteriorRing(org.gvsig.fmap.geom.primitive.Polygon)
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118 | */
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119 | public void addInteriorRing(Polygon polygon) { |
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120 | String message = "Calling unsupported method addInteriorRing of a ellipticArc"; |
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121 | notifyDeprecated(message); |
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122 | throw new UnsupportedOperationException(message); |
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123 | } |
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124 | |||
125 | /* (non-Javadoc)
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126 | * @see org.gvsig.fmap.geom.primitive.Surface#removeInteriorRing(int)
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127 | */
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128 | public void removeInteriorRing(int index) { |
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129 | String message = "Calling unsupported method removeInteriorRing of a ellipticArc"; |
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130 | notifyDeprecated(message); |
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131 | throw new UnsupportedOperationException(message); |
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132 | } |
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133 | |||
134 | /* (non-Javadoc)
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135 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#getCoordinateAt(int, int)
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136 | */
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137 | public double getCoordinateAt(int index, int dimension) { |
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138 | String message = "Calling deprecated method getCoordinateAt of a ellipticArc"; |
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139 | notifyDeprecated(message); |
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140 | throw new UnsupportedOperationException(message); |
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141 | } |
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142 | |||
143 | /* (non-Javadoc)
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144 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#setCoordinateAt(int, int, double)
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145 | */
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146 | public void setCoordinateAt(int index, int dimension, double value) { |
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147 | String message = "Calling deprecated method setCoordinateAt of a ellipticArc"; |
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148 | notifyDeprecated(message); |
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149 | throw new UnsupportedOperationException(message); |
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150 | } |
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151 | |||
152 | /* (non-Javadoc)
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153 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#addVertex(org.gvsig.fmap.geom.primitive.Point)
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154 | */
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155 | public void addVertex(Point point) { |
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156 | String message = "Calling deprecated method addVertex of a ellipticArc"; |
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157 | notifyDeprecated(message); |
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158 | throw new UnsupportedOperationException(message); |
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159 | } |
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160 | |||
161 | /* (non-Javadoc)
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162 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#addVertex(double, double)
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163 | */
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164 | public void addVertex(double x, double y) { |
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165 | String message = "Calling deprecated method addVertex of a ellipticArc"; |
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166 | notifyDeprecated(message); |
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167 | throw new UnsupportedOperationException(message); |
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168 | } |
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169 | |||
170 | /* (non-Javadoc)
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171 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#addVertex(double, double, double)
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172 | */
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173 | public void addVertex(double x, double y, double z) { |
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174 | String message = "Calling deprecated method addVertex of a ellipticArc"; |
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175 | notifyDeprecated(message); |
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176 | throw new UnsupportedOperationException(message); |
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177 | } |
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178 | |||
179 | /* (non-Javadoc)
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180 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#removeVertex(int)
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181 | */
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182 | public void removeVertex(int index) { |
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183 | String message = "Calling deprecated method removeVertex of a ellipticArc"; |
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184 | notifyDeprecated(message); |
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185 | throw new UnsupportedOperationException(message); |
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186 | } |
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187 | |||
188 | /* (non-Javadoc)
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189 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#getVertex(int)
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190 | */
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191 | public Point getVertex(int index) { |
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192 | String message = "Calling deprecated method getVertex of a ellipticArc"; |
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193 | notifyDeprecated(message); |
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194 | throw new UnsupportedOperationException(message); |
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195 | } |
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196 | |||
197 | /* (non-Javadoc)
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198 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#getNumVertices()
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199 | */
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200 | public int getNumVertices() { |
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201 | String message = "Calling deprecated method getNumVertices of a ellipticArc"; |
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202 | notifyDeprecated(message); |
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203 | throw new UnsupportedOperationException(message); |
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204 | } |
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205 | |||
206 | /* (non-Javadoc)
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207 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#insertVertex(int, 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 | String message = "Calling deprecated method insertVertex of a ellipticArc"; |
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211 | notifyDeprecated(message); |
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212 | throw new UnsupportedOperationException(message); |
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213 | } |
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214 | |||
215 | /* (non-Javadoc)
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216 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#setVertex(int, org.gvsig.fmap.geom.primitive.Point)
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217 | */
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218 | public void setVertex(int index, Point p) { |
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219 | String message = "Calling deprecated method setVertex of a ellipticArc"; |
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220 | notifyDeprecated(message); |
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221 | throw new UnsupportedOperationException(message); |
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222 | } |
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223 | |||
224 | /* (non-Javadoc)
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225 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#setGeneralPath(org.gvsig.fmap.geom.primitive.GeneralPathX)
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226 | */
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227 | public void setGeneralPath(GeneralPathX generalPathX) { |
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228 | String message = "Calling deprecated method setGeneralPath of a ellipticArc"; |
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229 | notifyDeprecated(message); |
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230 | throw new UnsupportedOperationException(message); |
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231 | } |
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232 | |||
233 | /* (non-Javadoc)
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234 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#addMoveToVertex(org.gvsig.fmap.geom.primitive.Point)
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235 | */
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236 | public void addMoveToVertex(Point point) { |
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237 | String message = "Calling deprecated method addMoveToVertex of a ellipticArc"; |
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238 | notifyDeprecated(message); |
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239 | throw new UnsupportedOperationException(message); |
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240 | } |
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241 | |||
242 | /* (non-Javadoc)
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243 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#closePrimitive()
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244 | */
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245 | public void closePrimitive() { |
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246 | String message = "Calling deprecated method closePrimitive of a ellipticArc"; |
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247 | notifyDeprecated(message); |
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248 | throw new UnsupportedOperationException(message); |
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249 | } |
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250 | |||
251 | /* (non-Javadoc)
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252 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#ensureCapacity(int)
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253 | */
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254 | public void ensureCapacity(int capacity) { |
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255 | String message = "Calling deprecated method ensureCapacity of a ellipticArc"; |
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256 | notifyDeprecated(message); |
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257 | throw new UnsupportedOperationException(message); |
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258 | } |
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259 | |||
260 | /* (non-Javadoc)
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261 | * @see org.gvsig.fmap.geom.Geometry#reProject(org.cresques.cts.ICoordTrans)
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262 | */
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263 | public void reProject(ICoordTrans ct) { |
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264 | //FIXME: Esto solo ser?a correcto para transformaciones de traslaci?n, rotaci?n y escala
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265 | // Ser?a incorrecto para las de deformaci?n en cizallamiento
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266 | |||
267 | Point2D aux = new Point2D(JTSUtils.getPointAtYAxisInEllipse(axis1Start, axis1End, semiAxis2Length)); |
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268 | 42464 | fdiaz | try {
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269 | 42304 | fdiaz | axis1Start.reProject(ct); |
270 | axis1End.reProject(ct); |
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271 | aux.reProject(ct); |
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272 | 42464 | fdiaz | } catch (CoordTransRuntimeException e) {
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273 | //Si ha fallado la reproyecci?n de alguno de los puntos, ponemos todas las coordenadas a 0
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274 | axis1Start.setX(0);
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275 | axis1Start.setY(0);
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276 | axis1End.setX(0);
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277 | axis1End.setY(0);
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278 | semiAxis2Length = 0;
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279 | } |
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280 | 42304 | fdiaz | try {
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281 | Point2D transformedMiddlePoint = new Point2D(JTSUtils.getMidPoint(axis1Start, axis1End)); |
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282 | semiAxis2Length = transformedMiddlePoint.distance(aux); |
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283 | } catch (BaseException e) {
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284 | throw new UnsupportedOperationException("Error calculating the radius of the transformed circle.", e); |
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285 | } |
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286 | |||
287 | } |
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288 | |||
289 | /* (non-Javadoc)
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290 | * @see org.gvsig.fmap.geom.Geometry#transform(java.awt.geom.AffineTransform)
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291 | */
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292 | public void transform(AffineTransform at) { |
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293 | //FIXME: Esto solo ser?a correcto para transformaciones de traslaci?n, rotaci?n y escala
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294 | // Ser?a incorrecto para las de deformaci?n en cizallamiento
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295 | |||
296 | Point2D aux = new Point2D(JTSUtils.getPointAtYAxisInEllipse(axis1Start, axis1End, semiAxis2Length)); |
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297 | axis1Start.transform(at); |
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298 | axis1End.transform(at); |
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299 | aux.transform(at); |
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300 | try {
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301 | Point2D transformedMiddlePoint = new Point2D(JTSUtils.getMidPoint(axis1Start, axis1End)); |
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302 | semiAxis2Length = transformedMiddlePoint.distance(aux); |
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303 | } catch (BaseException e) {
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304 | throw new UnsupportedOperationException("Error calculating the minor semi-axis of the transformed ellipse.", e); |
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305 | } |
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306 | |||
307 | } |
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308 | |||
309 | /* (non-Javadoc)
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310 | * @see org.gvsig.fmap.geom.Geometry#getDimension()
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311 | */
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312 | public int getDimension() { |
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313 | return axis1Start.getDimension();
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314 | } |
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315 | |||
316 | /* (non-Javadoc)
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317 | * @see org.gvsig.fmap.geom.Geometry#getShape(java.awt.geom.AffineTransform)
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318 | */
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319 | public Shape getShape(AffineTransform affineTransform) { |
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320 | return new DefaultGeneralPathX(getPathIterator(affineTransform),false,0); |
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321 | } |
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322 | |||
323 | /* (non-Javadoc)
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324 | * @see org.gvsig.fmap.geom.Geometry#getShape()
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325 | */
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326 | public Shape getShape() { |
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327 | return getShape(null); |
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328 | } |
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329 | |||
330 | /* (non-Javadoc)
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331 | * @see org.gvsig.fmap.geom.Geometry#getPathIterator(java.awt.geom.AffineTransform)
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332 | */
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333 | public PathIterator getPathIterator(AffineTransform at) { |
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334 | return getPathIterator(at, getManager().getFlatness());
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335 | } |
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336 | |||
337 | /* (non-Javadoc)
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338 | * @see org.gvsig.fmap.geom.Geometry#getPathIterator(java.awt.geom.AffineTransform, double)
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339 | */
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340 | public PathIterator getPathIterator(AffineTransform at, double flatness) { |
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341 | |||
342 | GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
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343 | |||
344 | try {
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345 | double axis1Lenght = axis1Start.distance(axis1End);
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346 | java.awt.geom.Point2D center = |
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347 | new java.awt.geom.Point2D.Double((axis1Start.getX() + axis1End.getX()) / 2, |
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348 | (axis1Start.getY() + axis1End.getY()) / 2);
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349 | double x = center.getX() - axis1Lenght / 2; |
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350 | double y = center.getY() - semiAxis2Length;
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351 | |||
352 | double angle =
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353 | UtilFunctions.getAngle(center, new java.awt.geom.Point2D.Double(axis1Start.getX(), axis1Start.getY()));
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354 | |||
355 | Arc2D.Double arc =
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356 | new Arc2D.Double(x, y, axis1Lenght, 2 * semiAxis2Length, Math.toDegrees(angSt), Math.toDegrees(angExt), |
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357 | 42391 | jjdelcerro | Arc2D.CHORD);
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358 | 42304 | fdiaz | AffineTransform mT = AffineTransform.getRotateInstance(angle, center.getX(), center.getY()); |
359 | return arc.getPathIterator(null, geomManager.getFlatness()); |
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360 | } catch (BaseException e) {
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361 | throw new UnsupportedOperationException("Error calculating the radius of the transformed circle.", e); |
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362 | } |
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363 | } |
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364 | |||
365 | /* (non-Javadoc)
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366 | * @see org.gvsig.fmap.geom.Geometry#getGeneralPath()
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367 | */
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368 | public GeneralPathX getGeneralPath() {
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369 | |||
370 | GeneralPathX gp = new DefaultGeneralPathX(getPathIterator(null, getManager().getFlatness()), is3D(), 0.0); |
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371 | return gp;
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372 | } |
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373 | |||
374 | /* (non-Javadoc)
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375 | * @see org.gvsig.fmap.geom.jts.GeometryJTS#is3D()
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376 | */
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377 | public boolean is3D() { |
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378 | return ((PointJTS)axis1Start).is3D();
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379 | } |
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380 | |||
381 | |||
382 | /**
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383 | * @param initialPoint
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384 | * @return
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385 | */
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386 | protected abstract Point fixPoint(Point point); |
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387 | |||
388 | |||
389 | /* (non-Javadoc)
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390 | * @see org.gvsig.fmap.geom.primitive.Ellipse#setPoints(org.gvsig.fmap.geom.primitive.Point, org.gvsig.fmap.geom.primitive.Point, double)
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391 | */
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392 | public void setPoints(Point axis1Start, Point axis1End, double axis2Length, double angSt, double angExt) { |
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393 | this.axis1Start = fixPoint(axis1Start);
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394 | this.axis1End = fixPoint(axis1End);
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395 | this.semiAxis2Length = axis2Length;
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396 | this.angSt = angSt;
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397 | this.angExt = angExt;
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398 | } |
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399 | |||
400 | /* (non-Javadoc)
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401 | * @see org.gvsig.fmap.geom.primitive.Ellipse#getAxis1Start()
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402 | */
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403 | public Point getAxis1Start() { |
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404 | return axis1Start;
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405 | } |
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406 | |||
407 | /* (non-Javadoc)
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408 | * @see org.gvsig.fmap.geom.primitive.Ellipse#getAxis1End()
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409 | */
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410 | public Point getAxis1End() { |
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411 | return axis1End;
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412 | } |
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413 | |||
414 | /* (non-Javadoc)
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415 | * @see org.gvsig.fmap.geom.primitive.Ellipse#getAxis2Dist()
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416 | */
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417 | public double getAxis2Dist() { |
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418 | return semiAxis2Length;
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419 | } |
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420 | |||
421 | /*
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422 | * (non-Javadoc)
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423 | * @see org.gvsig.fmap.geom.primitive.EllipticArc#getAngSt()
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424 | */
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425 | public double getAngSt(){ |
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426 | return this.angSt; |
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427 | } |
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428 | |||
429 | /*
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430 | * (non-Javadoc)
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431 | * @see org.gvsig.fmap.geom.primitive.EllipticArc#getAngExt()
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432 | */
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433 | public double getAngExt(){ |
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434 | return this.angExt; |
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435 | } |
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436 | |||
437 | /* (non-Javadoc)
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438 | * @see org.gvsig.fmap.geom.jts.GeometryJTS#flip()
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439 | */
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440 | public void flip() throws GeometryOperationNotSupportedException, GeometryOperationException { |
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441 | //FIXME: throw UnssupportedOperationException or do nothing?
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442 | // String message = "Can't flip a ellipse";
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443 | // notifyDeprecated(message);
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444 | // throw new UnsupportedOperationException(message);
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445 | } |
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446 | |||
447 | 42441 | fdiaz | |
448 | /* (non-Javadoc)
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449 | * @see org.gvsig.fmap.geom.Geometry#offset(double)
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450 | */
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451 | public Geometry offset(double distance) throws GeometryOperationNotSupportedException, GeometryOperationException { |
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452 | EllipticArc cloned = (EllipticArc) this.cloneGeometry();
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453 | |||
454 | Point center = new Point2D((getAxis1Start().getX()+getAxis1End().getX())/2, |
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455 | (getAxis1Start().getY()+getAxis1End().getY())/2);
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456 | double axis1Lenght = getAxis1Start().distance(getAxis1End());
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457 | |||
458 | Point clonedAxis1Start = (Point) getAxis1Start().cloneGeometry(); |
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459 | Point clonedAxis1End = (Point) getAxis1End().cloneGeometry(); |
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460 | double clonedYDist = this.semiAxis2Length+distance; |
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461 | |||
462 | clonedAxis1Start.setX(JTSUtils.straightLineThroughTwoPointsEquation(0, axis1Lenght/2, center.getX(), getAxis1Start().getX(), axis1Lenght/2+distance)); |
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463 | clonedAxis1Start.setY(JTSUtils.straightLineThroughTwoPointsEquation(0, axis1Lenght/2, center.getY(), getAxis1Start().getY(), axis1Lenght/2+distance)); |
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464 | |||
465 | clonedAxis1End.setX(JTSUtils.straightLineThroughTwoPointsEquation(0, axis1Lenght/2, center.getX(), getAxis1End().getX(), axis1Lenght/2+distance)); |
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466 | clonedAxis1End.setY(JTSUtils.straightLineThroughTwoPointsEquation(0, axis1Lenght/2, center.getY(), getAxis1End().getY(), axis1Lenght/2+distance)); |
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467 | |||
468 | cloned.setPoints(clonedAxis1Start, clonedAxis1End, clonedYDist, this.angSt, this.angExt); |
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469 | return cloned;
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470 | } |
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471 | 43002 | fdiaz | |
472 | |||
473 | @Override
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474 | public boolean canBeTransformed(AffineTransform at) { |
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475 | return false; |
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476 | } |
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477 | |||
478 | @Override
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479 | public boolean canBeReprojected(ICoordTrans ct) { |
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480 | return false; |
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481 | } |
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482 | 42304 | fdiaz | } |