svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_geometries / src / org / gvsig / fmap / geom / primitive / Point2D.java @ 26866
History | View | Annotate | Download (9.97 KB)
| 1 |
/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
|---|---|
| 2 |
*
|
| 3 |
* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
|
| 4 |
*
|
| 5 |
* This program is free software; you can redistribute it and/or
|
| 6 |
* modify it under the terms of the GNU General Public License
|
| 7 |
* as published by the Free Software Foundation; either version 2
|
| 8 |
* of the License, or (at your option) any later version.
|
| 9 |
*
|
| 10 |
* This program is distributed in the hope that it will be useful,
|
| 11 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 12 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 13 |
* GNU General Public License for more details.
|
| 14 |
*
|
| 15 |
* You should have received a copy of the GNU General Public License
|
| 16 |
* along with this program; if not, write to the Free Software
|
| 17 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
|
| 18 |
*
|
| 19 |
* For more information, contact:
|
| 20 |
*
|
| 21 |
* Generalitat Valenciana
|
| 22 |
* Conselleria d'Infraestructures i Transport
|
| 23 |
* Av. Blasco Ib??ez, 50
|
| 24 |
* 46010 VALENCIA
|
| 25 |
* SPAIN
|
| 26 |
*
|
| 27 |
* +34 963862235
|
| 28 |
* gvsig@gva.es
|
| 29 |
* www.gvsig.gva.es
|
| 30 |
*
|
| 31 |
* or
|
| 32 |
*
|
| 33 |
* IVER T.I. S.A
|
| 34 |
* Salamanca 50
|
| 35 |
* 46005 Valencia
|
| 36 |
* Spain
|
| 37 |
*
|
| 38 |
* +34 963163400
|
| 39 |
* dac@iver.es
|
| 40 |
*/
|
| 41 |
package org.gvsig.fmap.geom.primitive; |
| 42 |
|
| 43 |
import java.awt.Rectangle; |
| 44 |
import java.awt.geom.AffineTransform; |
| 45 |
import java.awt.geom.PathIterator; |
| 46 |
import java.awt.geom.Rectangle2D; |
| 47 |
import java.util.ArrayList; |
| 48 |
|
| 49 |
import org.cresques.cts.ICoordTrans; |
| 50 |
import org.cresques.cts.IProjection; |
| 51 |
import org.gvsig.fmap.geom.DirectPosition; |
| 52 |
import org.gvsig.fmap.geom.GeometryLocator; |
| 53 |
import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
| 54 |
import org.gvsig.fmap.geom.handler.AbstractHandler; |
| 55 |
import org.gvsig.fmap.geom.handler.FinalHandler; |
| 56 |
import org.gvsig.fmap.geom.handler.Handler; |
| 57 |
import org.gvsig.fmap.geom.type.GeometryType; |
| 58 |
|
| 59 |
/**
|
| 60 |
* Punto 2D.
|
| 61 |
*
|
| 62 |
* @author Vicente Caballero Navarro
|
| 63 |
*/
|
| 64 |
public class Point2D extends AbstractPrimitive implements Point, DirectPosition { |
| 65 |
private static final long serialVersionUID = 1L; |
| 66 |
|
| 67 |
protected double[] coordinates; |
| 68 |
|
| 69 |
/** Instancia de GeometryType obtenida al registrar esta clase */
|
| 70 |
private static final GeometryType geomType = GeometryLocator.getGeometryManager() |
| 71 |
.registerGeometryType(Point2D.class, null, TYPES.POINT, SUBTYPES.GEOM2D); |
| 72 |
|
| 73 |
public static final int CODE = geomType.getId(); |
| 74 |
|
| 75 |
/**
|
| 76 |
* Crea un nuevo Point2D.
|
| 77 |
*
|
| 78 |
* @param x
|
| 79 |
* Coordenada x del punto.
|
| 80 |
* @param y
|
| 81 |
* Coordenada y del punto.
|
| 82 |
*/
|
| 83 |
public Point2D(String id, IProjection projection, double x, double y) { |
| 84 |
super(id, projection);
|
| 85 |
coordinates = new double[getDimension()]; |
| 86 |
coordinates[0] = x;
|
| 87 |
coordinates[1] = y;
|
| 88 |
} |
| 89 |
|
| 90 |
public Point2D(String id, IProjection projection, java.awt.geom.Point2D p) { |
| 91 |
super(id, projection);
|
| 92 |
coordinates = new double[getDimension()]; |
| 93 |
coordinates[0] = p.getX();
|
| 94 |
coordinates[1] = p.getY();
|
| 95 |
} |
| 96 |
|
| 97 |
public Point2D(java.awt.geom.Point2D p) { |
| 98 |
this(null, null, p); |
| 99 |
} |
| 100 |
|
| 101 |
/**
|
| 102 |
* Constructor without arguments. It is necessary to create
|
| 103 |
* geometries using the {@link GeometryType}{@link #create()}
|
| 104 |
* method
|
| 105 |
*/
|
| 106 |
public Point2D() { |
| 107 |
this(null, null, 0.0, 0.0); |
| 108 |
} |
| 109 |
|
| 110 |
public Point2D(double x, double y) { |
| 111 |
this(null, null, x, y); |
| 112 |
} |
| 113 |
|
| 114 |
/*
|
| 115 |
* private void setPoint(double x, double y){ p = new
|
| 116 |
* java.awt.geom.Point2D.Double(x, y); }
|
| 117 |
*/
|
| 118 |
|
| 119 |
/**
|
| 120 |
* Aplica la transformaci?nn de la matriz de transformaci?n que se pasa como
|
| 121 |
* par?metro.
|
| 122 |
*
|
| 123 |
* @param at
|
| 124 |
* Matriz de transformaci?n.
|
| 125 |
*/
|
| 126 |
public void transform(AffineTransform at) { |
| 127 |
at.transform(coordinates, 0, coordinates, 0, 1); |
| 128 |
} |
| 129 |
|
| 130 |
/*
|
| 131 |
* (non-Javadoc)
|
| 132 |
*
|
| 133 |
* @see java.awt.Shape#contains(double, double)
|
| 134 |
*/
|
| 135 |
public boolean contains(double x, double y) { |
| 136 |
if ((x == coordinates[0]) || (y == coordinates[1])) { |
| 137 |
return true; |
| 138 |
} else {
|
| 139 |
return false; |
| 140 |
} |
| 141 |
} |
| 142 |
|
| 143 |
/*
|
| 144 |
* (non-Javadoc)
|
| 145 |
*
|
| 146 |
* @see java.awt.Shape#contains(double, double, double, double)
|
| 147 |
*/
|
| 148 |
public boolean contains(double x, double y, double w, double h) { |
| 149 |
return false; |
| 150 |
} |
| 151 |
|
| 152 |
/*
|
| 153 |
* (non-Javadoc)
|
| 154 |
*
|
| 155 |
* @see java.awt.Shape#intersects(double, double, double, double)
|
| 156 |
*/
|
| 157 |
public boolean intersects(double x, double y, double w, double h) { |
| 158 |
Rectangle2D.Double rAux = new Rectangle2D.Double(x, y, w, h); |
| 159 |
|
| 160 |
return rAux.contains(coordinates[0], coordinates[1]); |
| 161 |
} |
| 162 |
|
| 163 |
/*
|
| 164 |
* (non-Javadoc)
|
| 165 |
*
|
| 166 |
* @see java.awt.Shape#getBounds()
|
| 167 |
*/
|
| 168 |
public Rectangle getBounds() { |
| 169 |
return new Rectangle((int) coordinates[0], (int) coordinates[1], 0, 0); |
| 170 |
} |
| 171 |
|
| 172 |
/**
|
| 173 |
* Devuelve la coordenada x del punto.
|
| 174 |
*
|
| 175 |
* @return Coordenada x.
|
| 176 |
*/
|
| 177 |
public double getX() { |
| 178 |
return coordinates[0]; |
| 179 |
} |
| 180 |
|
| 181 |
/**
|
| 182 |
* Devuelve la coordenada y del punto.
|
| 183 |
*
|
| 184 |
* @return Coordenada y.
|
| 185 |
*/
|
| 186 |
public double getY() { |
| 187 |
return coordinates[1]; |
| 188 |
} |
| 189 |
|
| 190 |
/*
|
| 191 |
* (non-Javadoc)
|
| 192 |
*
|
| 193 |
* @see java.awt.Shape#contains(java.awt.geom.Point2D)
|
| 194 |
*/
|
| 195 |
public boolean contains(java.awt.geom.Point2D p) { |
| 196 |
return false; |
| 197 |
} |
| 198 |
|
| 199 |
/*
|
| 200 |
* (non-Javadoc)
|
| 201 |
*
|
| 202 |
* @see java.awt.Shape#getBounds2D()
|
| 203 |
*/
|
| 204 |
public Rectangle2D getBounds2D() { |
| 205 |
return new Rectangle2D.Double(coordinates[0] - 0.01, coordinates[1] - 0.01, 0.02, |
| 206 |
0.02);
|
| 207 |
} |
| 208 |
|
| 209 |
/*
|
| 210 |
* (non-Javadoc)
|
| 211 |
*
|
| 212 |
* @see java.awt.Shape#contains(java.awt.geom.Rectangle2D)
|
| 213 |
*/
|
| 214 |
public boolean contains(Rectangle2D r) { |
| 215 |
return false; |
| 216 |
} |
| 217 |
|
| 218 |
/*
|
| 219 |
* (non-Javadoc)
|
| 220 |
*
|
| 221 |
* @see java.awt.Shape#intersects(java.awt.geom.Rectangle2D)
|
| 222 |
*/
|
| 223 |
public boolean intersects(Rectangle2D r) { |
| 224 |
return r.contains(coordinates[0], coordinates[1]); |
| 225 |
} |
| 226 |
|
| 227 |
/*
|
| 228 |
* (non-Javadoc)
|
| 229 |
*
|
| 230 |
* @see java.awt.Shape#getPathIterator(java.awt.geom.AffineTransform)
|
| 231 |
*/
|
| 232 |
public PathIterator getPathIterator(AffineTransform at) { |
| 233 |
return new PointIterator(getPoint2D(), at); |
| 234 |
} |
| 235 |
|
| 236 |
/*
|
| 237 |
* (non-Javadoc)
|
| 238 |
*
|
| 239 |
* @see java.awt.Shape#getPathIterator(java.awt.geom.AffineTransform,
|
| 240 |
* double)
|
| 241 |
*/
|
| 242 |
public PathIterator getPathIterator(AffineTransform at, double flatness) { |
| 243 |
return new PointIterator(getPoint2D(), at); |
| 244 |
} |
| 245 |
|
| 246 |
private java.awt.geom.Point2D getPoint2D() {
|
| 247 |
return new java.awt.geom.Point2D.Double(coordinates[0], coordinates[1]); |
| 248 |
} |
| 249 |
|
| 250 |
/**
|
| 251 |
* @see org.gvsig.fmap.geom.primitive.FShape#getShapeType()
|
| 252 |
*/
|
| 253 |
public int getShapeType() { |
| 254 |
return FShape.POINT;
|
| 255 |
} |
| 256 |
|
| 257 |
/**
|
| 258 |
* Devuelve el tipo de geometr??a (cte definido en interfaz)
|
| 259 |
*/
|
| 260 |
public int getType() { |
| 261 |
return geomType.getType();
|
| 262 |
} |
| 263 |
|
| 264 |
/*
|
| 265 |
* (non-Javadoc)
|
| 266 |
*
|
| 267 |
* @see com.iver.cit.gvsig.fmap.core.FShape#cloneFShape()
|
| 268 |
*/
|
| 269 |
public FShape cloneFShape() {
|
| 270 |
return new Point2D(id, projection, coordinates[0], coordinates[1]); |
| 271 |
} |
| 272 |
|
| 273 |
/*
|
| 274 |
* (non-Javadoc)
|
| 275 |
*
|
| 276 |
* @see com.iver.cit.gvsig.fmap.core.FShape#reProject(org.cresques.cts.ICoordTrans)
|
| 277 |
*/
|
| 278 |
public void reProject(ICoordTrans ct) { |
| 279 |
java.awt.geom.Point2D p = getPoint2D(); |
| 280 |
p = ct.convert(p, p); |
| 281 |
coordinates[0] = p.getX();
|
| 282 |
coordinates[1] = p.getY();
|
| 283 |
} |
| 284 |
|
| 285 |
/*
|
| 286 |
* (non-Javadoc)
|
| 287 |
*
|
| 288 |
* @see com.iver.cit.gvsig.fmap.core.FShape#getStretchingHandlers()
|
| 289 |
*/
|
| 290 |
public Handler[] getStretchingHandlers() { |
| 291 |
ArrayList handlers = new ArrayList(); |
| 292 |
handlers.add(new PointHandler(0, coordinates[0], coordinates[1])); |
| 293 |
return (Handler[]) handlers.toArray(new Handler[0]); |
| 294 |
} |
| 295 |
|
| 296 |
/*
|
| 297 |
* (non-Javadoc)
|
| 298 |
*
|
| 299 |
* @see com.iver.cit.gvsig.fmap.core.FShape#getSelectHandlers()
|
| 300 |
*/
|
| 301 |
public Handler[] getSelectHandlers() { |
| 302 |
ArrayList handlers = new ArrayList(); |
| 303 |
handlers.add(new PointHandler(0, coordinates[0], coordinates[1])); |
| 304 |
return (Handler[]) handlers.toArray(new Handler[0]); |
| 305 |
} |
| 306 |
|
| 307 |
/**
|
| 308 |
* DOCUMENT ME!
|
| 309 |
*
|
| 310 |
* @author Vicente Caballero Navarro
|
| 311 |
*/
|
| 312 |
class PointHandler extends AbstractHandler implements FinalHandler { |
| 313 |
/**
|
| 314 |
* Crea un nuevo PointHandler.
|
| 315 |
*
|
| 316 |
* @param x
|
| 317 |
* DOCUMENT ME!
|
| 318 |
* @param y
|
| 319 |
* DOCUMENT ME!
|
| 320 |
*/
|
| 321 |
public PointHandler(int i, double x, double y) { |
| 322 |
point = new java.awt.geom.Point2D.Double(x, y);
|
| 323 |
index = i; |
| 324 |
} |
| 325 |
|
| 326 |
/**
|
| 327 |
* DOCUMENT ME!
|
| 328 |
*
|
| 329 |
* @param x
|
| 330 |
* DOCUMENT ME!
|
| 331 |
* @param y
|
| 332 |
* DOCUMENT ME!
|
| 333 |
*
|
| 334 |
* @return DOCUMENT ME!
|
| 335 |
*/
|
| 336 |
public void move(double x, double y) { |
| 337 |
coordinates[0] = coordinates[0] + x; |
| 338 |
coordinates[1] = coordinates[1] + y; |
| 339 |
} |
| 340 |
|
| 341 |
/**
|
| 342 |
* @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
|
| 343 |
*/
|
| 344 |
public void set(double x, double y) { |
| 345 |
coordinates[0] = x;
|
| 346 |
coordinates[1] = y;
|
| 347 |
} |
| 348 |
} |
| 349 |
|
| 350 |
/*
|
| 351 |
* (non-Javadoc)
|
| 352 |
*
|
| 353 |
* @see org.gvsig.geometries.iso.GM_Object#coordinateDimension()
|
| 354 |
*/
|
| 355 |
public int getDimension() { |
| 356 |
return 2; |
| 357 |
} |
| 358 |
|
| 359 |
public GeometryType getGeometryType() {
|
| 360 |
return geomType;
|
| 361 |
} |
| 362 |
|
| 363 |
public Envelope getEnvelope() {
|
| 364 |
return new DefaultEnvelope(2,new double[]{coordinates[0] - 0.01, coordinates[1] - 0.01},new double[]{ coordinates[0]+0.02,coordinates[1]+ |
| 365 |
0.02});
|
| 366 |
} |
| 367 |
|
| 368 |
public GeneralPathX getGeneralPath() {
|
| 369 |
// TODO Auto-generated method stub
|
| 370 |
return null; |
| 371 |
} |
| 372 |
|
| 373 |
public DirectPosition getDirectPosition() {
|
| 374 |
return this; |
| 375 |
} |
| 376 |
|
| 377 |
public double getOrdinate(int dim) { |
| 378 |
if (dim == 0) { |
| 379 |
return getX();
|
| 380 |
} else if (dim == 1) { |
| 381 |
return getY();
|
| 382 |
} else {
|
| 383 |
return 0; |
| 384 |
} |
| 385 |
} |
| 386 |
|
| 387 |
public boolean equals(Object other) { |
| 388 |
if (!super.equals(other)) { |
| 389 |
return false; |
| 390 |
} |
| 391 |
Point2D pother = (Point2D) other; |
| 392 |
if (Math.abs(this.getX() - pother.getX()) > 0.0000001) { |
| 393 |
return false; |
| 394 |
} |
| 395 |
if (Math.abs(this.getY() - pother.getY()) > 0.0000001) { |
| 396 |
return false; |
| 397 |
} |
| 398 |
return true; |
| 399 |
|
| 400 |
} |
| 401 |
|
| 402 |
/* (non-Javadoc)
|
| 403 |
* @see org.gvsig.fmap.geom.primitive.Point#getCoordinates()
|
| 404 |
*/
|
| 405 |
public double[] getCoordinates() { |
| 406 |
return coordinates;
|
| 407 |
} |
| 408 |
|
| 409 |
/* (non-Javadoc)
|
| 410 |
* @see org.gvsig.fmap.geom.primitive.Point#getDoordinateAt(int)
|
| 411 |
*/
|
| 412 |
public double getCoordinateAt(int dimension) { |
| 413 |
return coordinates[dimension];
|
| 414 |
} |
| 415 |
|
| 416 |
/* (non-Javadoc)
|
| 417 |
* @see org.gvsig.fmap.geom.primitive.Point#setCoordinateAt(int, double)
|
| 418 |
*/
|
| 419 |
public void setCoordinateAt(int dimension, double value) { |
| 420 |
coordinates[dimension] = value; |
| 421 |
} |
| 422 |
|
| 423 |
/* (non-Javadoc)
|
| 424 |
* @see org.gvsig.fmap.geom.primitive.Point#setCoordinates(double[])
|
| 425 |
*/
|
| 426 |
public void setCoordinates(double[] values) { |
| 427 |
coordinates = values; |
| 428 |
} |
| 429 |
|
| 430 |
/* (non-Javadoc)
|
| 431 |
* @see org.gvsig.fmap.geom.primitive.Point#setX(double)
|
| 432 |
*/
|
| 433 |
public void setX(double x) { |
| 434 |
coordinates[0] = x;
|
| 435 |
} |
| 436 |
|
| 437 |
/* (non-Javadoc)
|
| 438 |
* @see org.gvsig.fmap.geom.primitive.Point#setY(double)
|
| 439 |
*/
|
| 440 |
public void setY(double y) { |
| 441 |
coordinates[1] = y;
|
| 442 |
} |
| 443 |
|
| 444 |
} |