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 @ 42391
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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 | import org.cresques.cts.ICoordTrans; |
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31 | |||
32 | import org.gvsig.fmap.geom.GeometryLocator; |
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33 | import org.gvsig.fmap.geom.GeometryManager; |
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34 | import org.gvsig.fmap.geom.jts.gputils.DefaultGeneralPathX; |
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35 | import org.gvsig.fmap.geom.jts.primitive.point.Point2D; |
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36 | import org.gvsig.fmap.geom.jts.primitive.point.PointJTS; |
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37 | import org.gvsig.fmap.geom.jts.primitive.surface.AbstractSurface; |
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38 | import org.gvsig.fmap.geom.jts.util.JTSUtils; |
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39 | import org.gvsig.fmap.geom.jts.util.UtilFunctions; |
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40 | import org.gvsig.fmap.geom.operation.GeometryOperationException; |
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41 | import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
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42 | import org.gvsig.fmap.geom.primitive.GeneralPathX; |
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43 | import org.gvsig.fmap.geom.primitive.Line; |
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44 | import org.gvsig.fmap.geom.primitive.Point; |
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45 | import org.gvsig.fmap.geom.primitive.Polygon; |
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46 | import org.gvsig.fmap.geom.primitive.Ring; |
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47 | import org.gvsig.tools.exception.BaseException; |
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48 | |||
49 | |||
50 | /**
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51 | * @author fdiaz
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52 | *
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53 | */
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54 | public abstract class AbstractEllipticArc extends AbstractSurface { |
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55 | |||
56 | protected Point axis1Start; |
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57 | protected Point axis1End; |
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58 | protected double semiAxis2Length; |
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59 | protected double angSt; |
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60 | protected double angExt; |
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61 | |||
62 | |||
63 | /**
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64 | * @param type
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65 | * @param subtype
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66 | */
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67 | protected AbstractEllipticArc(int type, int subtype) { |
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68 | super(type, subtype);
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69 | } |
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70 | |||
71 | /* (non-Javadoc)
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72 | * @see org.gvsig.fmap.geom.primitive.Surface#getNumInteriorRings()
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73 | */
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74 | public int getNumInteriorRings() { |
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75 | String message = "Calling deprecated method getInteriorRing of a ellipticArc"; |
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76 | notifyDeprecated(message); |
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77 | throw new UnsupportedOperationException(message); |
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78 | } |
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79 | |||
80 | /* (non-Javadoc)
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81 | * @see org.gvsig.fmap.geom.primitive.Surface#getInteriorRing(int)
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82 | */
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83 | public Ring getInteriorRing(int index) { |
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84 | String message = "Calling deprecated method getInteriorRing of a ellipticArc"; |
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85 | notifyDeprecated(message); |
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86 | throw new UnsupportedOperationException(message); |
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87 | } |
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88 | |||
89 | /* (non-Javadoc)
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90 | * @see org.gvsig.fmap.geom.primitive.Surface#addInteriorRing(org.gvsig.fmap.geom.primitive.Ring)
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91 | */
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92 | public void addInteriorRing(Ring ring) { |
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93 | String message = "Calling unsupported method addInteriorRing of a ellipticArc"; |
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94 | notifyDeprecated(message); |
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95 | throw new UnsupportedOperationException(message); |
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96 | } |
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97 | |||
98 | /* (non-Javadoc)
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99 | * @see org.gvsig.fmap.geom.primitive.Surface#addInteriorRing(org.gvsig.fmap.geom.primitive.Line)
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100 | */
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101 | public void addInteriorRing(Line ring) { |
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102 | |||
103 | String message = "Calling unsupported method addInteriorRing of a ellipticArc"; |
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104 | notifyDeprecated(message); |
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105 | throw new UnsupportedOperationException(message); |
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106 | |||
107 | } |
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108 | |||
109 | /* (non-Javadoc)
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110 | * @see org.gvsig.fmap.geom.primitive.Surface#addInteriorRing(org.gvsig.fmap.geom.primitive.Polygon)
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111 | */
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112 | public void addInteriorRing(Polygon polygon) { |
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113 | String message = "Calling unsupported method addInteriorRing of a ellipticArc"; |
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114 | notifyDeprecated(message); |
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115 | throw new UnsupportedOperationException(message); |
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116 | } |
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117 | |||
118 | /* (non-Javadoc)
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119 | * @see org.gvsig.fmap.geom.primitive.Surface#removeInteriorRing(int)
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120 | */
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121 | public void removeInteriorRing(int index) { |
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122 | String message = "Calling unsupported method removeInteriorRing of a ellipticArc"; |
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123 | notifyDeprecated(message); |
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124 | throw new UnsupportedOperationException(message); |
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125 | } |
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126 | |||
127 | /* (non-Javadoc)
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128 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#getCoordinateAt(int, int)
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129 | */
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130 | public double getCoordinateAt(int index, int dimension) { |
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131 | String message = "Calling deprecated method getCoordinateAt of a ellipticArc"; |
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132 | notifyDeprecated(message); |
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133 | throw new UnsupportedOperationException(message); |
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134 | } |
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135 | |||
136 | /* (non-Javadoc)
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137 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#setCoordinateAt(int, int, double)
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138 | */
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139 | public void setCoordinateAt(int index, int dimension, double value) { |
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140 | String message = "Calling deprecated method setCoordinateAt of a ellipticArc"; |
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141 | notifyDeprecated(message); |
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142 | throw new UnsupportedOperationException(message); |
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143 | } |
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144 | |||
145 | /* (non-Javadoc)
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146 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#addVertex(org.gvsig.fmap.geom.primitive.Point)
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147 | */
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148 | public void addVertex(Point point) { |
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149 | String message = "Calling deprecated method addVertex of a ellipticArc"; |
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150 | notifyDeprecated(message); |
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151 | throw new UnsupportedOperationException(message); |
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152 | } |
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153 | |||
154 | /* (non-Javadoc)
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155 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#addVertex(double, double)
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156 | */
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157 | public void addVertex(double x, double y) { |
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158 | String message = "Calling deprecated method addVertex of a ellipticArc"; |
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159 | notifyDeprecated(message); |
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160 | throw new UnsupportedOperationException(message); |
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161 | } |
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162 | |||
163 | /* (non-Javadoc)
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164 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#addVertex(double, double, double)
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165 | */
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166 | public void addVertex(double x, double y, double z) { |
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167 | String message = "Calling deprecated method addVertex of a ellipticArc"; |
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168 | notifyDeprecated(message); |
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169 | throw new UnsupportedOperationException(message); |
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170 | } |
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171 | |||
172 | /* (non-Javadoc)
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173 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#removeVertex(int)
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174 | */
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175 | public void removeVertex(int index) { |
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176 | String message = "Calling deprecated method removeVertex of a ellipticArc"; |
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177 | notifyDeprecated(message); |
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178 | throw new UnsupportedOperationException(message); |
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179 | } |
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180 | |||
181 | /* (non-Javadoc)
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182 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#getVertex(int)
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183 | */
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184 | public Point getVertex(int index) { |
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185 | String message = "Calling deprecated method getVertex of a ellipticArc"; |
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186 | notifyDeprecated(message); |
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187 | throw new UnsupportedOperationException(message); |
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188 | } |
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189 | |||
190 | /* (non-Javadoc)
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191 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#getNumVertices()
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192 | */
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193 | public int getNumVertices() { |
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194 | String message = "Calling deprecated method getNumVertices of a ellipticArc"; |
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195 | notifyDeprecated(message); |
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196 | throw new UnsupportedOperationException(message); |
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197 | } |
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198 | |||
199 | /* (non-Javadoc)
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200 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#insertVertex(int, org.gvsig.fmap.geom.primitive.Point)
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201 | */
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202 | public void insertVertex(int index, Point p) { |
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203 | String message = "Calling deprecated method insertVertex of a ellipticArc"; |
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204 | notifyDeprecated(message); |
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205 | throw new UnsupportedOperationException(message); |
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206 | } |
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207 | |||
208 | /* (non-Javadoc)
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209 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#setVertex(int, org.gvsig.fmap.geom.primitive.Point)
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210 | */
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211 | public void setVertex(int index, Point p) { |
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212 | String message = "Calling deprecated method setVertex of a ellipticArc"; |
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213 | notifyDeprecated(message); |
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214 | throw new UnsupportedOperationException(message); |
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215 | } |
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216 | |||
217 | /* (non-Javadoc)
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218 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#setGeneralPath(org.gvsig.fmap.geom.primitive.GeneralPathX)
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219 | */
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220 | public void setGeneralPath(GeneralPathX generalPathX) { |
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221 | String message = "Calling deprecated method setGeneralPath of a ellipticArc"; |
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222 | notifyDeprecated(message); |
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223 | throw new UnsupportedOperationException(message); |
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224 | } |
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225 | |||
226 | /* (non-Javadoc)
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227 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#addMoveToVertex(org.gvsig.fmap.geom.primitive.Point)
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228 | */
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229 | public void addMoveToVertex(Point point) { |
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230 | String message = "Calling deprecated method addMoveToVertex of a ellipticArc"; |
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231 | notifyDeprecated(message); |
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232 | throw new UnsupportedOperationException(message); |
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233 | } |
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234 | |||
235 | /* (non-Javadoc)
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236 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#closePrimitive()
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237 | */
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238 | public void closePrimitive() { |
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239 | String message = "Calling deprecated method closePrimitive of a ellipticArc"; |
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240 | notifyDeprecated(message); |
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241 | throw new UnsupportedOperationException(message); |
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242 | } |
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243 | |||
244 | /* (non-Javadoc)
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245 | * @see org.gvsig.fmap.geom.primitive.OrientablePrimitive#ensureCapacity(int)
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246 | */
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247 | public void ensureCapacity(int capacity) { |
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248 | String message = "Calling deprecated method ensureCapacity of a ellipticArc"; |
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249 | notifyDeprecated(message); |
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250 | throw new UnsupportedOperationException(message); |
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251 | } |
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252 | |||
253 | /* (non-Javadoc)
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254 | * @see org.gvsig.fmap.geom.Geometry#reProject(org.cresques.cts.ICoordTrans)
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255 | */
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256 | public void reProject(ICoordTrans ct) { |
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257 | //FIXME: Esto solo ser?a correcto para transformaciones de traslaci?n, rotaci?n y escala
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258 | // Ser?a incorrecto para las de deformaci?n en cizallamiento
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259 | |||
260 | Point2D aux = new Point2D(JTSUtils.getPointAtYAxisInEllipse(axis1Start, axis1End, semiAxis2Length)); |
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261 | axis1Start.reProject(ct); |
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262 | axis1End.reProject(ct); |
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263 | aux.reProject(ct); |
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264 | try {
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265 | Point2D transformedMiddlePoint = new Point2D(JTSUtils.getMidPoint(axis1Start, axis1End)); |
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266 | semiAxis2Length = transformedMiddlePoint.distance(aux); |
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267 | } catch (BaseException e) {
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268 | throw new UnsupportedOperationException("Error calculating the radius of the transformed circle.", e); |
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269 | } |
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270 | |||
271 | } |
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272 | |||
273 | /* (non-Javadoc)
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274 | * @see org.gvsig.fmap.geom.Geometry#transform(java.awt.geom.AffineTransform)
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275 | */
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276 | public void transform(AffineTransform at) { |
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277 | //FIXME: Esto solo ser?a correcto para transformaciones de traslaci?n, rotaci?n y escala
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278 | // Ser?a incorrecto para las de deformaci?n en cizallamiento
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279 | |||
280 | Point2D aux = new Point2D(JTSUtils.getPointAtYAxisInEllipse(axis1Start, axis1End, semiAxis2Length)); |
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281 | axis1Start.transform(at); |
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282 | axis1End.transform(at); |
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283 | aux.transform(at); |
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284 | try {
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285 | Point2D transformedMiddlePoint = new Point2D(JTSUtils.getMidPoint(axis1Start, axis1End)); |
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286 | semiAxis2Length = transformedMiddlePoint.distance(aux); |
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287 | } catch (BaseException e) {
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288 | throw new UnsupportedOperationException("Error calculating the minor semi-axis of the transformed ellipse.", e); |
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289 | } |
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290 | |||
291 | } |
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292 | |||
293 | /* (non-Javadoc)
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294 | * @see org.gvsig.fmap.geom.Geometry#getDimension()
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295 | */
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296 | public int getDimension() { |
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297 | return axis1Start.getDimension();
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298 | } |
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299 | |||
300 | /* (non-Javadoc)
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301 | * @see org.gvsig.fmap.geom.Geometry#getShape(java.awt.geom.AffineTransform)
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302 | */
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303 | public Shape getShape(AffineTransform affineTransform) { |
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304 | return new DefaultGeneralPathX(getPathIterator(affineTransform),false,0); |
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305 | } |
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306 | |||
307 | /* (non-Javadoc)
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308 | * @see org.gvsig.fmap.geom.Geometry#getShape()
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309 | */
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310 | public Shape getShape() { |
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311 | return getShape(null); |
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312 | } |
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313 | |||
314 | /* (non-Javadoc)
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315 | * @see org.gvsig.fmap.geom.Geometry#getPathIterator(java.awt.geom.AffineTransform)
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316 | */
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317 | public PathIterator getPathIterator(AffineTransform at) { |
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318 | return getPathIterator(at, getManager().getFlatness());
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319 | } |
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320 | |||
321 | /* (non-Javadoc)
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322 | * @see org.gvsig.fmap.geom.Geometry#getPathIterator(java.awt.geom.AffineTransform, double)
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323 | */
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324 | public PathIterator getPathIterator(AffineTransform at, double flatness) { |
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325 | |||
326 | GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
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327 | |||
328 | try {
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329 | double axis1Lenght = axis1Start.distance(axis1End);
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330 | java.awt.geom.Point2D center = |
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331 | new java.awt.geom.Point2D.Double((axis1Start.getX() + axis1End.getX()) / 2, |
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332 | (axis1Start.getY() + axis1End.getY()) / 2);
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333 | double x = center.getX() - axis1Lenght / 2; |
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334 | double y = center.getY() - semiAxis2Length;
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335 | |||
336 | double angle =
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337 | UtilFunctions.getAngle(center, new java.awt.geom.Point2D.Double(axis1Start.getX(), axis1Start.getY()));
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338 | |||
339 | Arc2D.Double arc =
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340 | new Arc2D.Double(x, y, axis1Lenght, 2 * semiAxis2Length, Math.toDegrees(angSt), Math.toDegrees(angExt), |
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341 | 42391 | jjdelcerro | Arc2D.CHORD);
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342 | 42304 | fdiaz | AffineTransform mT = AffineTransform.getRotateInstance(angle, center.getX(), center.getY()); |
343 | return arc.getPathIterator(null, geomManager.getFlatness()); |
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344 | } catch (BaseException e) {
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345 | throw new UnsupportedOperationException("Error calculating the radius of the transformed circle.", e); |
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346 | } |
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347 | } |
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348 | |||
349 | /* (non-Javadoc)
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350 | * @see org.gvsig.fmap.geom.Geometry#getGeneralPath()
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351 | */
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352 | public GeneralPathX getGeneralPath() {
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353 | |||
354 | GeneralPathX gp = new DefaultGeneralPathX(getPathIterator(null, getManager().getFlatness()), is3D(), 0.0); |
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355 | return gp;
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356 | } |
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357 | |||
358 | /* (non-Javadoc)
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359 | * @see org.gvsig.fmap.geom.jts.GeometryJTS#is3D()
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360 | */
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361 | public boolean is3D() { |
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362 | return ((PointJTS)axis1Start).is3D();
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363 | } |
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364 | |||
365 | |||
366 | /**
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367 | * @param initialPoint
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368 | * @return
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369 | */
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370 | protected abstract Point fixPoint(Point point); |
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371 | |||
372 | |||
373 | /* (non-Javadoc)
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374 | * @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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375 | */
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376 | public void setPoints(Point axis1Start, Point axis1End, double axis2Length, double angSt, double angExt) { |
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377 | this.axis1Start = fixPoint(axis1Start);
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378 | this.axis1End = fixPoint(axis1End);
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379 | this.semiAxis2Length = axis2Length;
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380 | this.angSt = angSt;
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381 | this.angExt = angExt;
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382 | } |
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383 | |||
384 | /* (non-Javadoc)
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385 | * @see org.gvsig.fmap.geom.primitive.Ellipse#getAxis1Start()
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386 | */
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387 | public Point getAxis1Start() { |
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388 | return axis1Start;
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389 | } |
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390 | |||
391 | /* (non-Javadoc)
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392 | * @see org.gvsig.fmap.geom.primitive.Ellipse#getAxis1End()
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393 | */
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394 | public Point getAxis1End() { |
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395 | return axis1End;
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396 | } |
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397 | |||
398 | /* (non-Javadoc)
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399 | * @see org.gvsig.fmap.geom.primitive.Ellipse#getAxis2Dist()
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400 | */
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401 | public double getAxis2Dist() { |
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402 | return semiAxis2Length;
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403 | } |
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404 | |||
405 | /*
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406 | * (non-Javadoc)
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407 | * @see org.gvsig.fmap.geom.primitive.EllipticArc#getAngSt()
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408 | */
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409 | public double getAngSt(){ |
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410 | return this.angSt; |
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411 | } |
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412 | |||
413 | /*
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414 | * (non-Javadoc)
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415 | * @see org.gvsig.fmap.geom.primitive.EllipticArc#getAngExt()
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416 | */
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417 | public double getAngExt(){ |
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418 | return this.angExt; |
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419 | } |
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420 | |||
421 | /* (non-Javadoc)
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422 | * @see org.gvsig.fmap.geom.jts.GeometryJTS#flip()
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423 | */
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424 | public void flip() throws GeometryOperationNotSupportedException, GeometryOperationException { |
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425 | //FIXME: throw UnssupportedOperationException or do nothing?
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426 | // String message = "Can't flip a ellipse";
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427 | // notifyDeprecated(message);
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428 | // throw new UnsupportedOperationException(message);
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429 | } |
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430 | |||
431 | } |