root / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / core / ShapeFactory.java @ 11009
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1 | 1100 | fjp | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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2 | *
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3 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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18 | *
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19 | * For more information, contact:
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20 | *
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21 | * Generalitat Valenciana
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22 | * Conselleria d'Infraestructures i Transport
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23 | * Av. Blasco Ib??ez, 50
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24 | * 46010 VALENCIA
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25 | * SPAIN
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26 | *
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27 | * +34 963862235
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28 | * gvsig@gva.es
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29 | * www.gvsig.gva.es
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30 | *
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31 | * or
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32 | *
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33 | * IVER T.I. S.A
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34 | * Salamanca 50
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35 | * 46005 Valencia
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36 | * Spain
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37 | *
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38 | * +34 963163400
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39 | * dac@iver.es
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40 | */
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41 | 214 | fernando | package com.iver.cit.gvsig.fmap.core; |
42 | |||
43 | 3783 | caballero | import java.awt.geom.AffineTransform; |
44 | 3748 | caballero | import java.awt.geom.Arc2D; |
45 | import java.awt.geom.Point2D; |
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46 | |||
47 | 2943 | fjp | import com.iver.cit.gvsig.fmap.core.gt2.FLiteShape; |
48 | 3748 | caballero | import com.iver.cit.gvsig.fmap.edition.UtilFunctions; |
49 | 2183 | fernando | |
50 | 2943 | fjp | |
51 | 214 | fernando | /**
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52 | 1005 | vcaballero | * Clase que crea las geometr?as, contendra un m?todo create por cada tipo de
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53 | * geometria que soporte gvSIG
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54 | 214 | fernando | */
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55 | public class ShapeFactory { |
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56 | 1005 | vcaballero | /**
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57 | * Crea una geometr?a que contiene como shape un punto 2D.
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58 | *
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59 | * @param x Coordenada x.
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60 | * @param y Coordenada y.
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61 | *
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62 | * @return Geometr?a.
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63 | */
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64 | public static IGeometry createPoint2D(double x, double y) { |
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65 | return new FGeometry(new FPoint2D(x, y)); |
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66 | } |
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67 | 2183 | fernando | public static IGeometry createPoint2D(FPoint2D p) { |
68 | return new FGeometry(p); |
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69 | } |
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70 | 214 | fernando | |
71 | 3748 | caballero | |
72 | 1005 | vcaballero | /**
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73 | * Crea una geometr?a que contiene como shape un Multipunto 2D.
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74 | *
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75 | * @param x Coordenada x.
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76 | * @param y Coordenada y.
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77 | *
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78 | * @return Geometr?a.
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79 | */
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80 | public static IGeometry createMultipoint2D(double[] x, double[] y) { |
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81 | return new FMultiPoint2D(x, y); |
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82 | } |
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83 | 214 | fernando | |
84 | 1005 | vcaballero | /**
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85 | * Crea una geometr?a que contiene como shape un punto 3D.
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86 | *
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87 | * @param x Coordenada x.
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88 | * @param y Coordenada y.
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89 | * @param z Coordenada z.
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90 | *
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91 | * @return Geometr?a.
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92 | */
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93 | public static IGeometry createPoint3D(double x, double y, double z) { |
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94 | return new FGeometry(new FPoint3D(x, y, z)); |
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95 | } |
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96 | 214 | fernando | |
97 | 1005 | vcaballero | /**
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98 | * Crea una geometr?a que contiene como shape un Multipunto 3D.
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99 | *
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100 | * @param x Coordenada x.
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101 | * @param y Coordenada y.
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102 | * @param z Coordenada z.
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103 | *
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104 | * @return Geometr?a.
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105 | */
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106 | public static IGeometry createMultipoint3D(double[] x, double[] y, |
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107 | double[] z) { |
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108 | return new FMultipoint3D(x, y, z); |
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109 | } |
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110 | |||
111 | /**
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112 | * Crea una geometr?a que contiene como shape un Polil?nea 2D.
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113 | *
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114 | * @param shape GeneralPathX.
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115 | *
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116 | * @return Geometr?a.
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117 | */
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118 | public static IGeometry createPolyline2D(GeneralPathX shape) { |
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119 | return new FGeometry(new FPolyline2D(shape)); |
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120 | } |
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121 | |||
122 | /**
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123 | * Crea una geometr?a que contiene como shape un Polil?nea 3D.
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124 | *
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125 | * @param shape GeneralPathX.
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126 | * @param pZ Vector de Z.
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127 | *
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128 | * @return Geometr?a.
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129 | */
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130 | public static IGeometry createPolyline3D(GeneralPathX shape, double[] pZ) { |
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131 | return new FGeometry(new FPolyline3D(shape, pZ)); |
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132 | } |
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133 | 2183 | fernando | /**
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134 | * Crea una geometr?a que contiene como shape un Pol?gono 3D.
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135 | *
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136 | * @param shape GeneralPathX.
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137 | * @param pZ Vector de Z.
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138 | *
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139 | * @return Geometr?a.
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140 | */
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141 | public static IGeometry createPolygon3D(GeneralPathX shape, double[] pZ) { |
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142 | return new FGeometry(new FPolygon3D(shape, pZ)); |
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143 | } |
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144 | 1005 | vcaballero | |
145 | /**
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146 | * Crea una geometr?a que contiene como shape un Pol?gono 2D.
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147 | *
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148 | * @param shape GeneralPathX.
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149 | *
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150 | * @return Geometr?a.
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151 | */
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152 | public static IGeometry createPolygon2D(GeneralPathX shape) { |
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153 | return new FGeometry(new FPolygon2D(shape)); |
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154 | } |
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155 | |||
156 | /**
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157 | 6033 | fjp | * Crea una geometr?a que contiene como shape un Pol?gono 2D.
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158 | *
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159 | * @param shape FPolyline2D closed (you must be sure it is really closed).
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160 | *
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161 | * @return Geometr?a.
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162 | */
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163 | public static IGeometry createPolygon2D(FPolyline2D shape) { |
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164 | return new FGeometry(new FPolygon2D(shape.gp)); |
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165 | } |
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166 | |||
167 | /**
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168 | 1005 | vcaballero | * Crea a partir de un FShape una geometr?a.
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169 | *
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170 | * @param shp FShape.
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171 | *
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172 | * @return Geometr?a.
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173 | */
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174 | public static FGeometry createGeometry(FShape shp) { |
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175 | return new FGeometry(shp); |
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176 | } |
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177 | 3748 | caballero | |
178 | 2943 | fjp | public static IGeometry createGeometry(FLiteShape gt2geometry) { |
179 | return new Gt2Geometry(gt2geometry); |
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180 | } |
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181 | 3748 | caballero | public static IGeometry createCircle(Point2D center, Point2D r){ |
182 | double radio = center.distance(r);
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183 | return createCircle(center, radio);
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184 | } |
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185 | 2943 | fjp | |
186 | 3748 | caballero | public static IGeometry createCircle(Point2D center, double radio){ |
187 | Arc2D.Double arc = new Arc2D.Double(center.getX()-radio, center.getY() - radio, |
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188 | 2 * radio, 2 * radio, 0, 360, Arc2D.OPEN); |
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189 | |||
190 | return new FGeometry(new FCircle2D(new GeneralPathX(arc),center,radio)); |
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191 | } |
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192 | public static IGeometry createCircle(Point2D p1, Point2D p2, Point2D p3){ |
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193 | Point2D center = UtilFunctions.getCenter(p1, p2, p3);
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194 | if (center!=null) |
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195 | return createCircle(center,p1);
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196 | return null; |
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197 | } |
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198 | 3767 | caballero | public static IGeometry createArc(Point2D p1, Point2D p2, Point2D p3){ |
199 | Arc2D arco = UtilFunctions.createArc(p1, p2, p3);
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200 | if (arco == null) return null; |
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201 | FArc2D arc=new FArc2D(new GeneralPathX(arco),p1,p2,p3); |
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202 | 5882 | caballero | IGeometry geom=new FGeometry(arc);
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203 | return geom;
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204 | 3767 | caballero | } |
205 | 3783 | caballero | public static IGeometry createEllipse(Point2D axis1Start, Point2D axis1End, double axis2Length){ |
206 | double xAxis = axis1Start.distance(axis1End);
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207 | Arc2D.Double arc = new Arc2D.Double(axis1Start.getX(), |
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208 | axis1Start.getY() - axis2Length, xAxis, 2 * axis2Length, 0, 360, Arc2D.OPEN); |
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209 | Point2D rotationPoint = new Point2D.Double(axis1Start.getX() + xAxis /2, axis1Start.getY()); |
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210 | double angle = UtilFunctions.getAngle(axis1Start, axis1End);
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211 | AffineTransform mT = AffineTransform.getRotateInstance(angle, axis1Start.getX(), axis1Start.getY()); |
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212 | GeneralPathX gp = new GeneralPathX(arc);
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213 | gp.transform(mT); |
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214 | |||
215 | return new FGeometry(new FEllipse2D(new GeneralPathX(gp),axis1Start,axis1End,axis2Length)); |
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216 | } |
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217 | 8946 | caballero | public static IGeometry createSpline2D(Point2D[] points) { |
218 | return new FGeometry(new FSpline2D(points)); |
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219 | } |
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220 | 214 | fernando | } |