root / branches / v2_0_0_prep / libraries / libFMap_geometries / src / org / gvsig / fmap / geom / impl / Geometry2D.java @ 29972
History | View | Annotate | Download (11.6 KB)
| 1 |
/* gvSIG. Geographic Information System of the Valencian Government
|
|---|---|
| 2 |
*
|
| 3 |
* Copyright (C) 2007-2008 Infrastructures and Transports Department
|
| 4 |
* of the Valencian Government (CIT)
|
| 5 |
*
|
| 6 |
* This program is free software; you can redistribute it and/or
|
| 7 |
* modify it under the terms of the GNU General Public License
|
| 8 |
* as published by the Free Software Foundation; either version 2
|
| 9 |
* of the License, or (at your option) any later version.
|
| 10 |
*
|
| 11 |
* This program is distributed in the hope that it will be useful,
|
| 12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 14 |
* GNU General Public License for more details.
|
| 15 |
*
|
| 16 |
* You should have received a copy of the GNU General Public License
|
| 17 |
* along with this program; if not, write to the Free Software
|
| 18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
| 19 |
* MA 02110-1301, USA.
|
| 20 |
*
|
| 21 |
*/
|
| 22 |
|
| 23 |
/*
|
| 24 |
* AUTHORS (In addition to CIT):
|
| 25 |
* 2009 {Iver T.I.} {Task}
|
| 26 |
*/
|
| 27 |
|
| 28 |
package org.gvsig.fmap.geom.impl; |
| 29 |
|
| 30 |
import java.awt.Rectangle; |
| 31 |
import java.awt.Shape; |
| 32 |
import java.awt.geom.AffineTransform; |
| 33 |
import java.awt.geom.PathIterator; |
| 34 |
import java.awt.geom.Point2D; |
| 35 |
import java.awt.geom.Rectangle2D; |
| 36 |
|
| 37 |
import org.cresques.cts.ICoordTrans; |
| 38 |
import org.gvsig.fmap.geom.Geometry; |
| 39 |
import org.gvsig.fmap.geom.GeometryLocator; |
| 40 |
import org.gvsig.fmap.geom.GeometryManager; |
| 41 |
import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
| 42 |
import org.gvsig.fmap.geom.handler.Handler; |
| 43 |
import org.gvsig.fmap.geom.operation.GeometryOperation; |
| 44 |
import org.gvsig.fmap.geom.operation.GeometryOperationContext; |
| 45 |
import org.gvsig.fmap.geom.operation.GeometryOperationException; |
| 46 |
import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
| 47 |
import org.gvsig.fmap.geom.operation.relationship.DefaultRelationshipGeometryOperationContext; |
| 48 |
import org.gvsig.fmap.geom.primitive.Envelope; |
| 49 |
import org.gvsig.fmap.geom.primitive.GeneralPathX; |
| 50 |
import org.gvsig.fmap.geom.type.GeometryType; |
| 51 |
import org.slf4j.Logger; |
| 52 |
import org.slf4j.LoggerFactory; |
| 53 |
|
| 54 |
/**
|
| 55 |
* @author <a href="mailto:jpiera@gvsig.org">Jorge Piera</a>
|
| 56 |
*/
|
| 57 |
public class Geometry2D implements Geometry{ |
| 58 |
|
| 59 |
private static final Logger logger = LoggerFactory.getLogger(GeometryManager.class); |
| 60 |
|
| 61 |
private Geometry geometry = null; |
| 62 |
|
| 63 |
/**
|
| 64 |
* @param primitive
|
| 65 |
*/
|
| 66 |
public Geometry2D(Geometry geometry) {
|
| 67 |
super();
|
| 68 |
this.geometry = geometry;
|
| 69 |
} |
| 70 |
|
| 71 |
/* (non-Javadoc)
|
| 72 |
* @see org.gvsig.fmap.geom.Geometry#cloneGeometry()
|
| 73 |
*/
|
| 74 |
public Geometry cloneGeometry() {
|
| 75 |
return new Geometry2D((Geometry)geometry.cloneGeometry()); |
| 76 |
} |
| 77 |
|
| 78 |
/* (non-Javadoc)
|
| 79 |
* @see org.gvsig.fmap.geom.Geometry#fastIntersects(double, double, double, double)
|
| 80 |
*/
|
| 81 |
public boolean fastIntersects(double x, double y, double w, double h) { |
| 82 |
return geometry.fastIntersects(x, y, w, h);
|
| 83 |
} |
| 84 |
|
| 85 |
/* (non-Javadoc)
|
| 86 |
* @see org.gvsig.fmap.geom.Geometry#getBounds2D()
|
| 87 |
*/
|
| 88 |
public Rectangle2D getBounds2D() { |
| 89 |
return geometry.getBounds2D();
|
| 90 |
} |
| 91 |
|
| 92 |
/* (non-Javadoc)
|
| 93 |
* @see org.gvsig.fmap.geom.Geometry#getDimension()
|
| 94 |
*/
|
| 95 |
public int getDimension() { |
| 96 |
return geometry.getDimension();
|
| 97 |
} |
| 98 |
|
| 99 |
/* (non-Javadoc)
|
| 100 |
* @see org.gvsig.fmap.geom.Geometry#getEnvelope()
|
| 101 |
*/
|
| 102 |
public Envelope getEnvelope() {
|
| 103 |
return geometry.getEnvelope();
|
| 104 |
} |
| 105 |
|
| 106 |
/* (non-Javadoc)
|
| 107 |
* @see org.gvsig.fmap.geom.Geometry#getGeneralPath()
|
| 108 |
*/
|
| 109 |
public GeneralPathX getGeneralPath() {
|
| 110 |
return geometry.getGeneralPath();
|
| 111 |
} |
| 112 |
|
| 113 |
/* (non-Javadoc)
|
| 114 |
* @see org.gvsig.fmap.geom.Geometry#getGeometryType()
|
| 115 |
*/
|
| 116 |
public GeometryType getGeometryType() {
|
| 117 |
return geometry.getGeometryType();
|
| 118 |
} |
| 119 |
|
| 120 |
/* (non-Javadoc)
|
| 121 |
* @see org.gvsig.fmap.geom.Geometry#getHandlers(int)
|
| 122 |
*/
|
| 123 |
public Handler[] getHandlers(int type) { |
| 124 |
return geometry.getHandlers(type);
|
| 125 |
} |
| 126 |
|
| 127 |
/* (non-Javadoc)
|
| 128 |
* @see org.gvsig.fmap.geom.Geometry#getInternalShape()
|
| 129 |
*/
|
| 130 |
public Shape getInternalShape() { |
| 131 |
return geometry.getInternalShape();
|
| 132 |
} |
| 133 |
|
| 134 |
/* (non-Javadoc)
|
| 135 |
* @see org.gvsig.fmap.geom.Geometry#getPathIterator(java.awt.geom.AffineTransform)
|
| 136 |
*/
|
| 137 |
public PathIterator getPathIterator(AffineTransform at) { |
| 138 |
return geometry.getPathIterator(at);
|
| 139 |
} |
| 140 |
|
| 141 |
/* (non-Javadoc)
|
| 142 |
* @see org.gvsig.fmap.geom.Geometry#getPathIterator(java.awt.geom.AffineTransform, double)
|
| 143 |
*/
|
| 144 |
public PathIterator getPathIterator(AffineTransform at, double flatness) { |
| 145 |
return geometry.getPathIterator(at, flatness);
|
| 146 |
} |
| 147 |
|
| 148 |
/* (non-Javadoc)
|
| 149 |
* @see org.gvsig.fmap.geom.Geometry#getType()
|
| 150 |
*/
|
| 151 |
public int getType() { |
| 152 |
return geometry.getType();
|
| 153 |
} |
| 154 |
|
| 155 |
/* (non-Javadoc)
|
| 156 |
* @see org.gvsig.fmap.geom.Geometry#intersects(java.awt.geom.Rectangle2D)
|
| 157 |
*/
|
| 158 |
public boolean intersects(Rectangle2D r) { |
| 159 |
return geometry.intersects(r);
|
| 160 |
} |
| 161 |
|
| 162 |
/* (non-Javadoc)
|
| 163 |
* @see org.gvsig.fmap.geom.Geometry#invokeOperation(int, org.gvsig.fmap.geom.operation.GeometryOperationContext)
|
| 164 |
*/
|
| 165 |
public Object invokeOperation(int index, GeometryOperationContext ctx) |
| 166 |
throws GeometryOperationNotSupportedException,
|
| 167 |
GeometryOperationException {
|
| 168 |
return geometry.invokeOperation(index, ctx);
|
| 169 |
} |
| 170 |
|
| 171 |
/* (non-Javadoc)
|
| 172 |
* @see org.gvsig.fmap.geom.Geometry#invokeOperation(java.lang.String, org.gvsig.fmap.geom.operation.GeometryOperationContext)
|
| 173 |
*/
|
| 174 |
public Object invokeOperation(String opName, GeometryOperationContext ctx) |
| 175 |
throws GeometryOperationNotSupportedException,
|
| 176 |
GeometryOperationException {
|
| 177 |
return geometry.invokeOperation(opName, ctx);
|
| 178 |
} |
| 179 |
|
| 180 |
/* (non-Javadoc)
|
| 181 |
* @see org.gvsig.fmap.geom.Geometry#isSimple()
|
| 182 |
*/
|
| 183 |
public boolean isSimple() { |
| 184 |
return geometry.isSimple();
|
| 185 |
} |
| 186 |
|
| 187 |
/* (non-Javadoc)
|
| 188 |
* @see org.gvsig.fmap.geom.Geometry#reProject(org.cresques.cts.ICoordTrans)
|
| 189 |
*/
|
| 190 |
public void reProject(ICoordTrans ct) { |
| 191 |
geometry.reProject(ct); |
| 192 |
} |
| 193 |
|
| 194 |
/* (non-Javadoc)
|
| 195 |
* @see org.gvsig.fmap.geom.Geometry#transform(java.awt.geom.AffineTransform)
|
| 196 |
*/
|
| 197 |
public void transform(AffineTransform at) { |
| 198 |
geometry.transform(at); |
| 199 |
} |
| 200 |
|
| 201 |
/* (non-Javadoc)
|
| 202 |
* @see java.awt.Shape#contains(java.awt.geom.Point2D)
|
| 203 |
*/
|
| 204 |
public boolean contains(Point2D p) { |
| 205 |
|
| 206 |
|
| 207 |
|
| 208 |
try {
|
| 209 |
return containsPoint(geometry, p.getX(), p.getY());
|
| 210 |
} catch (GeometryOperationException e) {
|
| 211 |
logger.error("While doing contains: " + e.getMessage(), e);
|
| 212 |
return true; |
| 213 |
} |
| 214 |
} |
| 215 |
|
| 216 |
/* (non-Javadoc)
|
| 217 |
* @see java.awt.Shape#contains(java.awt.geom.Rectangle2D)
|
| 218 |
*/
|
| 219 |
public boolean contains(Rectangle2D r) { |
| 220 |
try {
|
| 221 |
return containsRectangle(geometry,
|
| 222 |
r.getMinX(), |
| 223 |
r.getMinY(), |
| 224 |
r.getWidth(), |
| 225 |
r.getHeight()); |
| 226 |
} catch (GeometryOperationException e) {
|
| 227 |
logger.error("While doing contains: " + e.getMessage(), e);
|
| 228 |
return true; |
| 229 |
} |
| 230 |
} |
| 231 |
|
| 232 |
/* (non-Javadoc)
|
| 233 |
* @see java.awt.Shape#contains(double, double)
|
| 234 |
*/
|
| 235 |
public boolean contains(double x, double y) { |
| 236 |
try {
|
| 237 |
return containsPoint(geometry, x, y);
|
| 238 |
} catch (GeometryOperationException e) {
|
| 239 |
logger.error("While doing contains: " + e.getMessage(), e);
|
| 240 |
return true; |
| 241 |
} |
| 242 |
} |
| 243 |
|
| 244 |
/* (non-Javadoc)
|
| 245 |
* @see java.awt.Shape#contains(double, double, double, double)
|
| 246 |
*/
|
| 247 |
public boolean contains(double x, double y, double w, double h) { |
| 248 |
try {
|
| 249 |
return containsRectangle(geometry, x, y, w, h);
|
| 250 |
} catch (GeometryOperationException e) {
|
| 251 |
logger.error("While doing contains: " + e.getMessage(), e);
|
| 252 |
return true; |
| 253 |
} |
| 254 |
} |
| 255 |
|
| 256 |
/* (non-Javadoc)
|
| 257 |
* @see java.awt.Shape#getBounds()
|
| 258 |
*/
|
| 259 |
public Rectangle getBounds() { |
| 260 |
return geometry.getBounds();
|
| 261 |
} |
| 262 |
|
| 263 |
/* (non-Javadoc)
|
| 264 |
* @see java.awt.Shape#intersects(double, double, double, double)
|
| 265 |
*/
|
| 266 |
public boolean intersects(double x, double y, double w, double h) { |
| 267 |
try {
|
| 268 |
return intersectsRectangle(geometry, x, y, w, h);
|
| 269 |
} catch (GeometryOperationException e) {
|
| 270 |
logger.error("While doing intersects: " + e.getMessage(), e);
|
| 271 |
return true; |
| 272 |
} |
| 273 |
} |
| 274 |
|
| 275 |
/* (non-Javadoc)
|
| 276 |
* @see java.lang.Comparable#compareTo(java.lang.Object)
|
| 277 |
*/
|
| 278 |
public int compareTo(Object arg0) { |
| 279 |
return geometry.compareTo(arg0);
|
| 280 |
} |
| 281 |
|
| 282 |
|
| 283 |
|
| 284 |
|
| 285 |
|
| 286 |
|
| 287 |
|
| 288 |
|
| 289 |
|
| 290 |
/**
|
| 291 |
* Utility method
|
| 292 |
* @param geometry
|
| 293 |
* @param x
|
| 294 |
* @param y
|
| 295 |
* @return
|
| 296 |
* @throws GeometryOperationException
|
| 297 |
*/
|
| 298 |
protected boolean containsPoint(Geometry geom, double x, double y) throws GeometryOperationException { |
| 299 |
|
| 300 |
// exclude disjoint
|
| 301 |
Envelope env = geom.getEnvelope(); |
| 302 |
if (x > env.getMaximum(0)) return false; |
| 303 |
if (y > env.getMaximum(1)) return false; |
| 304 |
if (x < env.getMinimum(0)) return false; |
| 305 |
if (y < env.getMinimum(1)) return false; |
| 306 |
|
| 307 |
// boxes overlap, need long version
|
| 308 |
|
| 309 |
Geometry geompoint = null;
|
| 310 |
try {
|
| 311 |
geompoint = GeometryLocator.getGeometryManager().createPoint(x, y, SUBTYPES.GEOM2D); |
| 312 |
} catch (Exception e1) { |
| 313 |
throw new GeometryOperationException(geom.getType(), GeometryOperation.OPERATION_CONTAINS_CODE, e1); |
| 314 |
} |
| 315 |
|
| 316 |
DefaultRelationshipGeometryOperationContext drgoc = |
| 317 |
new DefaultRelationshipGeometryOperationContext(geompoint);
|
| 318 |
|
| 319 |
Object resp = null; |
| 320 |
boolean respboolean = true; |
| 321 |
try {
|
| 322 |
resp = geom.invokeOperation(GeometryOperation.OPERATION_CONTAINS_CODE, drgoc); |
| 323 |
respboolean = ((Boolean) resp).booleanValue();
|
| 324 |
} catch (Exception e) { |
| 325 |
throw new GeometryOperationException(geom.getType(), GeometryOperation.OPERATION_CONTAINS_CODE, e); |
| 326 |
} |
| 327 |
|
| 328 |
return respboolean;
|
| 329 |
} |
| 330 |
|
| 331 |
/**
|
| 332 |
*
|
| 333 |
* @param geometry
|
| 334 |
* @param x
|
| 335 |
* @param y
|
| 336 |
* @param w
|
| 337 |
* @param h
|
| 338 |
* @return
|
| 339 |
*/
|
| 340 |
protected boolean containsRectangle(Geometry geom, double x, double y, |
| 341 |
double w, double h) throws GeometryOperationException { |
| 342 |
|
| 343 |
|
| 344 |
// exclude disjoint boxes
|
| 345 |
Envelope env = geom.getEnvelope(); |
| 346 |
if (x > env.getMaximum(0)) return false; |
| 347 |
if ((x+w) < env.getMinimum(0)) return false; |
| 348 |
if (y > env.getMaximum(1)) return false; |
| 349 |
if ((y+h) < env.getMinimum(1)) return false; |
| 350 |
|
| 351 |
if (w == 0 && h == 0) { |
| 352 |
return containsPoint(geom, x, y);
|
| 353 |
} |
| 354 |
|
| 355 |
// boxes overlap, need long version
|
| 356 |
Geometry rectgeom = null;
|
| 357 |
GeneralPathX gpx = new GeneralPathX();
|
| 358 |
gpx.moveTo(x, y); |
| 359 |
gpx.lineTo(x+w, y); |
| 360 |
gpx.lineTo(x+w, y+h); |
| 361 |
gpx.lineTo(x, y+h); |
| 362 |
gpx.lineTo(x, y); |
| 363 |
|
| 364 |
try {
|
| 365 |
rectgeom = GeometryLocator.getGeometryManager().createSurface(gpx, SUBTYPES.GEOM2D); |
| 366 |
} catch (Exception e1) { |
| 367 |
throw new GeometryOperationException(geom.getType(), GeometryOperation.OPERATION_CONTAINS_CODE, e1); |
| 368 |
} |
| 369 |
|
| 370 |
DefaultRelationshipGeometryOperationContext drgoc = |
| 371 |
new DefaultRelationshipGeometryOperationContext(rectgeom);
|
| 372 |
|
| 373 |
Object resp = null; |
| 374 |
boolean respboolean = true; |
| 375 |
try {
|
| 376 |
resp = geom.invokeOperation(GeometryOperation.OPERATION_CONTAINS_CODE, drgoc); |
| 377 |
respboolean = ((Boolean) resp).booleanValue();
|
| 378 |
} catch (Exception e) { |
| 379 |
throw new GeometryOperationException(geom.getType(), GeometryOperation.OPERATION_CONTAINS_CODE, e); |
| 380 |
} |
| 381 |
|
| 382 |
return respboolean;
|
| 383 |
} |
| 384 |
|
| 385 |
|
| 386 |
/**
|
| 387 |
*
|
| 388 |
* @param geom
|
| 389 |
* @param x
|
| 390 |
* @param y
|
| 391 |
* @param w
|
| 392 |
* @param h
|
| 393 |
* @return
|
| 394 |
*/
|
| 395 |
protected boolean intersectsRectangle(Geometry geom, double x, double y, |
| 396 |
double w, double h) throws GeometryOperationException { |
| 397 |
|
| 398 |
// exclude disjoint boxes
|
| 399 |
Envelope env = geom.getEnvelope(); |
| 400 |
if (x > env.getMaximum(0)) return false; |
| 401 |
if ((x+w) < env.getMinimum(0)) return false; |
| 402 |
if (y > env.getMaximum(1)) return false; |
| 403 |
if ((y+h) < env.getMinimum(1)) return false; |
| 404 |
|
| 405 |
// boxes overlap, need long version
|
| 406 |
Geometry rectgeom = null;
|
| 407 |
GeneralPathX gpx = new GeneralPathX();
|
| 408 |
gpx.moveTo(x, y); |
| 409 |
gpx.lineTo(x+w, y); |
| 410 |
gpx.lineTo(x+w, y+h); |
| 411 |
gpx.lineTo(x, y+h); |
| 412 |
gpx.lineTo(x, y); |
| 413 |
|
| 414 |
try {
|
| 415 |
rectgeom = GeometryLocator.getGeometryManager().createSurface(gpx, SUBTYPES.GEOM2D); |
| 416 |
} catch (Exception e1) { |
| 417 |
throw new GeometryOperationException(geom.getType(), GeometryOperation.OPERATION_INTERSECTS_CODE, e1); |
| 418 |
} |
| 419 |
|
| 420 |
DefaultRelationshipGeometryOperationContext drgoc = |
| 421 |
new DefaultRelationshipGeometryOperationContext(rectgeom);
|
| 422 |
|
| 423 |
Object resp = null; |
| 424 |
boolean respboolean = true; |
| 425 |
try {
|
| 426 |
resp = geom.invokeOperation(GeometryOperation.OPERATION_INTERSECTS_CODE, drgoc); |
| 427 |
respboolean = ((Boolean) resp).booleanValue();
|
| 428 |
} catch (Exception e) { |
| 429 |
throw new GeometryOperationException(geom.getType(), GeometryOperation.OPERATION_INTERSECTS_CODE, e); |
| 430 |
} |
| 431 |
|
| 432 |
return respboolean;
|
| 433 |
|
| 434 |
|
| 435 |
} |
| 436 |
|
| 437 |
} |
| 438 |
|