svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_geometries / src / org / gvsig / fmap / geom / primitive / impl / Arc2D.java @ 39063
History | View | Annotate | Download (18.8 KB)
| 1 |
/*
|
|---|---|
| 2 |
* Created on 09-feb-2005
|
| 3 |
*
|
| 4 |
* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
| 5 |
*
|
| 6 |
* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
|
| 7 |
*
|
| 8 |
* This program is free software; you can redistribute it and/or
|
| 9 |
* modify it under the terms of the GNU General Public License
|
| 10 |
* as published by the Free Software Foundation; either version 2
|
| 11 |
* of the License, or (at your option) any later version.
|
| 12 |
*
|
| 13 |
* This program is distributed in the hope that it will be useful,
|
| 14 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 15 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 16 |
* GNU General Public License for more details.
|
| 17 |
*
|
| 18 |
* You should have received a copy of the GNU General Public License
|
| 19 |
* along with this program; if not, write to the Free Software
|
| 20 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
|
| 21 |
USA.
|
| 22 |
*
|
| 23 |
* For more information, contact:
|
| 24 |
*
|
| 25 |
* Generalitat Valenciana
|
| 26 |
* Conselleria d'Infraestructures i Transport
|
| 27 |
* Av. Blasco Ib??ez, 50
|
| 28 |
* 46010 VALENCIA
|
| 29 |
* SPAIN
|
| 30 |
*
|
| 31 |
* +34 963862235
|
| 32 |
* gvsig@gva.es
|
| 33 |
* www.gvsig.gva.es
|
| 34 |
*
|
| 35 |
* or
|
| 36 |
*
|
| 37 |
* IVER T.I. S.A
|
| 38 |
* Salamanca 50
|
| 39 |
* 46005 Valencia
|
| 40 |
* Spain
|
| 41 |
*
|
| 42 |
* +34 963163400
|
| 43 |
* dac@iver.es
|
| 44 |
*/
|
| 45 |
package org.gvsig.fmap.geom.primitive.impl; |
| 46 |
|
| 47 |
import java.awt.geom.AffineTransform; |
| 48 |
import java.awt.geom.Point2D; |
| 49 |
import java.awt.geom.Rectangle2D; |
| 50 |
import java.util.ArrayList; |
| 51 |
|
| 52 |
import org.cresques.cts.IProjection; |
| 53 |
import org.slf4j.Logger; |
| 54 |
import org.slf4j.LoggerFactory; |
| 55 |
|
| 56 |
import org.gvsig.fmap.geom.Geometry; |
| 57 |
import org.gvsig.fmap.geom.GeometryLocator; |
| 58 |
import org.gvsig.fmap.geom.GeometryManager; |
| 59 |
import org.gvsig.fmap.geom.handler.AbstractHandler; |
| 60 |
import org.gvsig.fmap.geom.handler.CenterHandler; |
| 61 |
import org.gvsig.fmap.geom.handler.FinalHandler; |
| 62 |
import org.gvsig.fmap.geom.handler.Handler; |
| 63 |
import org.gvsig.fmap.geom.primitive.Arc; |
| 64 |
import org.gvsig.fmap.geom.primitive.FShape; |
| 65 |
import org.gvsig.fmap.geom.primitive.GeneralPathX; |
| 66 |
import org.gvsig.fmap.geom.primitive.Point; |
| 67 |
import org.gvsig.fmap.geom.type.GeometryType; |
| 68 |
import org.gvsig.fmap.geom.util.UtilFunctions; |
| 69 |
|
| 70 |
|
| 71 |
|
| 72 |
/**
|
| 73 |
* DOCUMENT ME!
|
| 74 |
*
|
| 75 |
* @author Vicente Caballero Navarro
|
| 76 |
*/
|
| 77 |
public class Arc2D extends Curve2D implements Arc { |
| 78 |
private static final long serialVersionUID = 6416027005106924030L; |
| 79 |
|
| 80 |
private static final Logger logger = LoggerFactory.getLogger(Arc2D.class); |
| 81 |
|
| 82 |
private Point2D init; |
| 83 |
|
| 84 |
/**
|
| 85 |
* This is the middle point (belongs to the arc), not the center
|
| 86 |
* of the circle/ellipse
|
| 87 |
*/
|
| 88 |
private Point2D middle; |
| 89 |
private Point2D end; |
| 90 |
|
| 91 |
private static final GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
| 92 |
|
| 93 |
/**
|
| 94 |
* The constructor with the GeometryType like and argument
|
| 95 |
* is used by the {@link GeometryType}{@link #create()}
|
| 96 |
* to create the geometry
|
| 97 |
* @param type
|
| 98 |
* The geometry type
|
| 99 |
*/
|
| 100 |
public Arc2D(GeometryType geometryType) { |
| 101 |
super(geometryType);
|
| 102 |
} |
| 103 |
|
| 104 |
/**
|
| 105 |
* Constructor used in the {@link Geometry#cloneGeometry()} method
|
| 106 |
* @param id
|
| 107 |
* @param projection
|
| 108 |
* @param gpx
|
| 109 |
* @param i
|
| 110 |
* @param c
|
| 111 |
* @param e
|
| 112 |
*/
|
| 113 |
protected Arc2D(GeometryType geometryType, String id, IProjection projection, GeneralPathX gpx, Point2D i,Point2D c, Point2D e) { |
| 114 |
super(geometryType, id, projection, gpx);
|
| 115 |
init=i; |
| 116 |
middle=c; |
| 117 |
end=e; |
| 118 |
} |
| 119 |
|
| 120 |
/* (non-Javadoc)
|
| 121 |
* @see com.iver.cit.gvsig.fmap.core.FShape#cloneFShape()
|
| 122 |
*/
|
| 123 |
public FShape cloneFShape() {
|
| 124 |
Arc2D arc = new Arc2D(getGeometryType(), id, projection, (GeneralPathX) gp.clone(),init,middle,end); |
| 125 |
return arc;
|
| 126 |
} |
| 127 |
|
| 128 |
/*
|
| 129 |
* (non-Javadoc)
|
| 130 |
* @see org.gvsig.fmap.geom.primitive.impl.OrientablePrimitive2D#transform(java.awt.geom.AffineTransform)
|
| 131 |
*/
|
| 132 |
public void transform(AffineTransform at) { |
| 133 |
gp.transform(at); |
| 134 |
InitHandler inithandler=(InitHandler)getStretchingHandlers()[0];
|
| 135 |
//CenterHandler centerhandler=(CenterHandler)getHandlers()[1];
|
| 136 |
EndHandler endhandler=(EndHandler)getStretchingHandlers()[1];
|
| 137 |
Point2D aux1=new Point2D.Double(); |
| 138 |
Point2D aux2=new Point2D.Double(); |
| 139 |
Point2D aux3=new Point2D.Double(); |
| 140 |
at.transform(inithandler.getPoint(),aux1); |
| 141 |
inithandler.setPoint(aux1); |
| 142 |
//at.transform(centerhandler.getPoint(),aux2);
|
| 143 |
//centerhandler.setPoint(aux2);
|
| 144 |
at.transform(endhandler.getPoint(),aux3); |
| 145 |
endhandler.setPoint(aux3); |
| 146 |
CenterSelHandler centerhandler=(CenterSelHandler)getSelectHandlers()[1];
|
| 147 |
at.transform(centerhandler.getPoint(),aux2); |
| 148 |
centerhandler.setPoint(aux2); |
| 149 |
|
| 150 |
} |
| 151 |
|
| 152 |
/*
|
| 153 |
* (non-Javadoc)
|
| 154 |
* @see org.gvsig.fmap.geom.primitive.impl.Curve2D#getShapeType()
|
| 155 |
*/
|
| 156 |
public int getShapeType() { |
| 157 |
return TYPES.ARC;
|
| 158 |
} |
| 159 |
|
| 160 |
/*
|
| 161 |
* (non-Javadoc)
|
| 162 |
* @see org.gvsig.fmap.geom.primitive.impl.OrientablePrimitive2D#getStretchingHandlers()
|
| 163 |
*/
|
| 164 |
public Handler[] getStretchingHandlers() { |
| 165 |
ArrayList handlers = new ArrayList(); |
| 166 |
|
| 167 |
handlers.add(new InitHandler(0, init.getX(), init.getY())); |
| 168 |
//handlers.add(new CenterHandler(1, center.getX(), center.getY()));
|
| 169 |
handlers.add(new EndHandler(1, end.getX(), end.getY())); |
| 170 |
|
| 171 |
return (Handler[]) handlers.toArray(new Handler[0]); |
| 172 |
} |
| 173 |
|
| 174 |
/*
|
| 175 |
* (non-Javadoc)
|
| 176 |
* @see org.gvsig.fmap.geom.primitive.impl.OrientablePrimitive2D#getSelectHandlers()
|
| 177 |
*/
|
| 178 |
public Handler[] getSelectHandlers() { |
| 179 |
ArrayList handlers = new ArrayList(); |
| 180 |
|
| 181 |
handlers.add(new InitSelHandler(0, init.getX(), init.getY())); |
| 182 |
handlers.add(new CenterSelHandler(1, middle.getX(), middle.getY())); |
| 183 |
handlers.add(new EndSelHandler(2, end.getX(), end.getY())); |
| 184 |
|
| 185 |
return (Handler[]) handlers.toArray(new Handler[0]); |
| 186 |
} |
| 187 |
/**
|
| 188 |
* DOCUMENT ME!
|
| 189 |
*
|
| 190 |
* @author Vicente Caballero Navarro
|
| 191 |
*/
|
| 192 |
class CenterSelHandler extends AbstractHandler implements CenterHandler{ |
| 193 |
/**
|
| 194 |
* Crea un nuevo PointHandler.
|
| 195 |
*
|
| 196 |
* @param i DOCUMENT ME!
|
| 197 |
* @param x DOCUMENT ME!
|
| 198 |
* @param y DOCUMENT ME!
|
| 199 |
*/
|
| 200 |
public CenterSelHandler(int i, double x, double y) { |
| 201 |
middle = new Point2D.Double(x, y); |
| 202 |
index = i; |
| 203 |
} |
| 204 |
|
| 205 |
/**
|
| 206 |
* DOCUMENT ME!
|
| 207 |
*
|
| 208 |
* @param x DOCUMENT ME!
|
| 209 |
* @param y DOCUMENT ME!
|
| 210 |
*
|
| 211 |
* @return DOCUMENT ME!
|
| 212 |
*/
|
| 213 |
public void move(double x, double y) { |
| 214 |
} |
| 215 |
public void setPoint(Point2D p){ |
| 216 |
middle=p; |
| 217 |
} |
| 218 |
public Point2D getPoint(){ |
| 219 |
return middle;
|
| 220 |
} |
| 221 |
|
| 222 |
/**
|
| 223 |
* @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
|
| 224 |
*/
|
| 225 |
public void set(double x, double y) { |
| 226 |
middle=new Point2D.Double(x,y); |
| 227 |
java.awt.geom.Arc2D arco = UtilFunctions.createArc(init, middle, end); |
| 228 |
gp = new GeneralPathX(arco.getPathIterator(null)); |
| 229 |
} |
| 230 |
} |
| 231 |
|
| 232 |
/**
|
| 233 |
* DOCUMENT ME!
|
| 234 |
*
|
| 235 |
* @author Vicente Caballero Navarro
|
| 236 |
*/
|
| 237 |
class InitHandler extends AbstractHandler implements FinalHandler{ |
| 238 |
/**
|
| 239 |
* Crea un nuevo PointHandler.
|
| 240 |
*
|
| 241 |
* @param i DOCUMENT ME!
|
| 242 |
* @param x DOCUMENT ME!
|
| 243 |
* @param y DOCUMENT ME!
|
| 244 |
*/
|
| 245 |
public InitHandler(int i, double x, double y) { |
| 246 |
init = new Point2D.Double(x, y); |
| 247 |
index = i; |
| 248 |
} |
| 249 |
|
| 250 |
/**
|
| 251 |
* DOCUMENT ME!
|
| 252 |
*
|
| 253 |
* @param x DOCUMENT ME!
|
| 254 |
* @param y DOCUMENT ME!
|
| 255 |
*
|
| 256 |
* @return DOCUMENT ME!
|
| 257 |
*/
|
| 258 |
public void move(double x, double y) { |
| 259 |
Point2D mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
| 260 |
double dist=mediop.distance(middle);
|
| 261 |
init=new Point2D.Double(init.getX()+x,init.getY()+y); |
| 262 |
|
| 263 |
mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
| 264 |
Point2D[] perp=UtilFunctions.getPerpendicular(init,end,mediop); |
| 265 |
if (UtilFunctions.getAngle(end,init)<=Math.PI){ |
| 266 |
dist=-dist; |
| 267 |
} |
| 268 |
middle=UtilFunctions.getPoint(mediop,perp[1],dist);
|
| 269 |
|
| 270 |
java.awt.geom.Arc2D arco = UtilFunctions.createArc(init,middle, end); |
| 271 |
gp=new GeneralPathX(arco.getPathIterator(null)); |
| 272 |
} |
| 273 |
public void setPoint(Point2D p){ |
| 274 |
init=p; |
| 275 |
} |
| 276 |
public Point2D getPoint(){ |
| 277 |
return init;
|
| 278 |
} |
| 279 |
|
| 280 |
/**
|
| 281 |
* @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
|
| 282 |
*/
|
| 283 |
public void set(double x, double y) { |
| 284 |
} |
| 285 |
} |
| 286 |
|
| 287 |
/**
|
| 288 |
* DOCUMENT ME!
|
| 289 |
*
|
| 290 |
* @author Vicente Caballero Navarro
|
| 291 |
*/
|
| 292 |
class EndHandler extends AbstractHandler implements FinalHandler{ |
| 293 |
/**
|
| 294 |
* Crea un nuevo PointHandler.
|
| 295 |
*
|
| 296 |
* @param i DOCUMENT ME!
|
| 297 |
* @param x DOCUMENT ME!
|
| 298 |
* @param y DOCUMENT ME!
|
| 299 |
*/
|
| 300 |
public EndHandler(int i, double x, double y) { |
| 301 |
end = new Point2D.Double(x, y); |
| 302 |
index = i; |
| 303 |
} |
| 304 |
|
| 305 |
/**
|
| 306 |
* DOCUMENT ME!
|
| 307 |
*
|
| 308 |
* @param x DOCUMENT ME!
|
| 309 |
* @param y DOCUMENT ME!
|
| 310 |
*
|
| 311 |
* @return DOCUMENT ME!
|
| 312 |
*/
|
| 313 |
public void move(double x, double y) { |
| 314 |
Point2D mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
| 315 |
double dist=mediop.distance(middle);
|
| 316 |
end=new Point2D.Double(end.getX()+x,end.getY()+y); |
| 317 |
|
| 318 |
mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
| 319 |
Point2D[] perp=UtilFunctions.getPerpendicular(init,end,mediop); |
| 320 |
if (UtilFunctions.getAngle(end,init)<=Math.PI){ |
| 321 |
dist=-dist; |
| 322 |
} |
| 323 |
middle=UtilFunctions.getPoint(mediop,perp[1],dist);
|
| 324 |
|
| 325 |
java.awt.geom.Arc2D arco = UtilFunctions.createArc(init,middle, end); |
| 326 |
gp=new GeneralPathX(arco.getPathIterator(null)); |
| 327 |
} |
| 328 |
public void setPoint(Point2D p){ |
| 329 |
end=p; |
| 330 |
} |
| 331 |
public Point2D getPoint(){ |
| 332 |
return end;
|
| 333 |
} |
| 334 |
|
| 335 |
/**
|
| 336 |
* @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
|
| 337 |
*/
|
| 338 |
public void set(double x, double y) { |
| 339 |
|
| 340 |
} |
| 341 |
} |
| 342 |
|
| 343 |
/**
|
| 344 |
* DOCUMENT ME!
|
| 345 |
*
|
| 346 |
* @author Vicente Caballero Navarro
|
| 347 |
*/
|
| 348 |
class InitSelHandler extends AbstractHandler implements FinalHandler{ |
| 349 |
/**
|
| 350 |
* Crea un nuevo PointHandler.
|
| 351 |
*
|
| 352 |
* @param i DOCUMENT ME!
|
| 353 |
* @param x DOCUMENT ME!
|
| 354 |
* @param y DOCUMENT ME!
|
| 355 |
*/
|
| 356 |
public InitSelHandler(int i, double x, double y) { |
| 357 |
init = new Point2D.Double(x, y); |
| 358 |
index = i; |
| 359 |
} |
| 360 |
|
| 361 |
/**
|
| 362 |
* DOCUMENT ME!
|
| 363 |
*
|
| 364 |
* @param x DOCUMENT ME!
|
| 365 |
* @param y DOCUMENT ME!
|
| 366 |
*
|
| 367 |
* @return DOCUMENT ME!
|
| 368 |
*/
|
| 369 |
public void move(double x, double y) { |
| 370 |
Point2D mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
| 371 |
double dist=mediop.distance(middle);
|
| 372 |
init=new Point2D.Double(init.getX()+x,init.getY()+y); |
| 373 |
|
| 374 |
mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
| 375 |
Point2D[] perp=UtilFunctions.getPerpendicular(init,end,mediop); |
| 376 |
if (UtilFunctions.getAngle(end,init)<=Math.PI){ |
| 377 |
dist=-dist; |
| 378 |
} |
| 379 |
middle=UtilFunctions.getPoint(mediop,perp[1],dist);
|
| 380 |
|
| 381 |
java.awt.geom.Arc2D arco = UtilFunctions.createArc(init,middle, end); |
| 382 |
gp=new GeneralPathX(arco.getPathIterator(null)); |
| 383 |
} |
| 384 |
public void setPoint(Point2D p){ |
| 385 |
init=p; |
| 386 |
} |
| 387 |
public Point2D getPoint(){ |
| 388 |
return init;
|
| 389 |
} |
| 390 |
|
| 391 |
/**
|
| 392 |
* @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
|
| 393 |
*/
|
| 394 |
public void set(double x, double y) { |
| 395 |
Point2D mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
| 396 |
double dist=mediop.distance(middle);
|
| 397 |
init=new Point2D.Double(x,y); |
| 398 |
|
| 399 |
mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
| 400 |
// TODO comentado para quitar warning: Point2D[] perp=UtilFunctions.getPerpendicular(init,end,mediop);
|
| 401 |
if (UtilFunctions.getAngle(end,init)<=Math.PI){ |
| 402 |
dist=-dist; |
| 403 |
} |
| 404 |
///center=TrigonometricalFunctions.getPoint(mediop,perp[1],dist);
|
| 405 |
java.awt.geom.Arc2D arco = UtilFunctions.createArc(init,middle, end); |
| 406 |
gp=new GeneralPathX(arco.getPathIterator(null)); |
| 407 |
} |
| 408 |
} |
| 409 |
|
| 410 |
/**
|
| 411 |
* DOCUMENT ME!
|
| 412 |
*
|
| 413 |
* @author Vicente Caballero Navarro
|
| 414 |
*/
|
| 415 |
class EndSelHandler extends AbstractHandler implements FinalHandler{ |
| 416 |
/**
|
| 417 |
* Crea un nuevo PointHandler.
|
| 418 |
*
|
| 419 |
* @param i DOCUMENT ME!
|
| 420 |
* @param x DOCUMENT ME!
|
| 421 |
* @param y DOCUMENT ME!
|
| 422 |
*/
|
| 423 |
public EndSelHandler(int i, double x, double y) { |
| 424 |
end = new Point2D.Double(x, y); |
| 425 |
index = i; |
| 426 |
} |
| 427 |
|
| 428 |
/**
|
| 429 |
* DOCUMENT ME!
|
| 430 |
*
|
| 431 |
* @param x DOCUMENT ME!
|
| 432 |
* @param y DOCUMENT ME!
|
| 433 |
*
|
| 434 |
* @return DOCUMENT ME!
|
| 435 |
*/
|
| 436 |
public void move(double x, double y) { |
| 437 |
Point2D mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
| 438 |
double dist=mediop.distance(middle);
|
| 439 |
end=new Point2D.Double(end.getX()+x,end.getY()+y); |
| 440 |
|
| 441 |
mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
| 442 |
Point2D[] perp=UtilFunctions.getPerpendicular(init,end,mediop); |
| 443 |
if (UtilFunctions.getAngle(end,init)<=Math.PI){ |
| 444 |
dist=-dist; |
| 445 |
} |
| 446 |
middle=UtilFunctions.getPoint(mediop,perp[1],dist);
|
| 447 |
|
| 448 |
java.awt.geom.Arc2D arco = UtilFunctions.createArc(init,middle, end); |
| 449 |
gp=new GeneralPathX(arco.getPathIterator(null)); |
| 450 |
} |
| 451 |
public void setPoint(Point2D p){ |
| 452 |
end=p; |
| 453 |
} |
| 454 |
public Point2D getPoint(){ |
| 455 |
return end;
|
| 456 |
} |
| 457 |
|
| 458 |
/**
|
| 459 |
* @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
|
| 460 |
*/
|
| 461 |
public void set(double x, double y) { |
| 462 |
Point2D mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
| 463 |
double dist=mediop.distance(middle);
|
| 464 |
end=new Point2D.Double(x,y); |
| 465 |
|
| 466 |
mediop=new Point2D.Double((init.getX()+end.getX())/2,(init.getY()+end.getY())/2); |
| 467 |
// TODO comentado para quitar warning: Point2D[] perp=UtilFunctions.getPerpendicular(init,end,mediop);
|
| 468 |
if (UtilFunctions.getAngle(end,init)<=Math.PI){ |
| 469 |
dist=-dist; |
| 470 |
} |
| 471 |
///center=TrigonometricalFunctions.getPoint(mediop,perp[1],dist);
|
| 472 |
java.awt.geom.Arc2D arco = UtilFunctions.createArc(init,middle, end); |
| 473 |
gp=new GeneralPathX(arco.getPathIterator(null)); |
| 474 |
} |
| 475 |
} |
| 476 |
|
| 477 |
/* (non-Javadoc)
|
| 478 |
* @see com.iver.cit.gvsig.fmap.core.FPolyline2D#intersects(java.awt.geom.Rectangle2D)
|
| 479 |
*/
|
| 480 |
public boolean intersects(Rectangle2D r) { |
| 481 |
return gp.intersects(r);
|
| 482 |
} |
| 483 |
|
| 484 |
/* (non-Javadoc)
|
| 485 |
* @see org.gvsig.fmap.geom.primitive.Arc#setPoints(org.gvsig.fmap.geom.primitive.Point, org.gvsig.fmap.geom.primitive.Point, org.gvsig.fmap.geom.primitive.Point)
|
| 486 |
*/
|
| 487 |
public void setPoints(Point p1, Point p2, Point p3) { |
| 488 |
Point2D _p1 = new java.awt.geom.Point2D.Double(p1.getCoordinateAt(0), p1.getCoordinateAt(1)); |
| 489 |
Point2D _p2 = new java.awt.geom.Point2D.Double(p2.getCoordinateAt(0), p2.getCoordinateAt(1)); |
| 490 |
Point2D _p3 = new java.awt.geom.Point2D.Double(p3.getCoordinateAt(0), p3.getCoordinateAt(1)); |
| 491 |
setPoints(_p1, _p2, _p3); |
| 492 |
} |
| 493 |
|
| 494 |
/* (non-Javadoc)
|
| 495 |
* @see org.gvsig.fmap.geom.primitive.Curve2D#setGeneralPath(org.gvsig.fmap.geom.primitive.GeneralPathX)
|
| 496 |
*/
|
| 497 |
public void setGeneralPath(GeneralPathX generalPathX) { |
| 498 |
throw new UnsupportedOperationException("Use setPoints(Point p1, Point p2, Point p3)"); |
| 499 |
} |
| 500 |
|
| 501 |
/* (non-Javadoc)
|
| 502 |
* @see org.gvsig.fmap.geom.primitive.Arc#setPoints(java.awt.geom.Point2D, java.awt.geom.Point2D, java.awt.geom.Point2D)
|
| 503 |
*/
|
| 504 |
private void setPoints(Point2D p1, Point2D p2, Point2D p3) { |
| 505 |
java.awt.geom.Arc2D arco = UtilFunctions.createArc(p1, p2, p3); |
| 506 |
if (arco == null) { |
| 507 |
logger.info("Did not set arc points (probably aligned points): "
|
| 508 |
+ p1.getX() + " " + p1.getY() + " :: " |
| 509 |
+ p2.getX() + " " + p2.getY() + " :: " |
| 510 |
+ p3.getX() + " " + p3.getY());
|
| 511 |
return;
|
| 512 |
} |
| 513 |
this.gp = new GeneralPathX(arco.getPathIterator(null)); |
| 514 |
this.init = p1;
|
| 515 |
this.middle = p2;
|
| 516 |
this.end = p3;
|
| 517 |
} |
| 518 |
|
| 519 |
/* (non-Javadoc)
|
| 520 |
* @see org.gvsig.fmap.geom.primitive.Arc#setPoints(org.gvsig.fmap.geom.primitive.Point, double, double, double)
|
| 521 |
*/
|
| 522 |
public void setPoints(Point center, double radius, double initAngle, |
| 523 |
double angleExt) {
|
| 524 |
Point2D _center = new java.awt.geom.Point2D.Double(center.getCoordinateAt(0), center.getCoordinateAt(1)); |
| 525 |
setPoints(_center, radius, initAngle, angleExt); |
| 526 |
} |
| 527 |
|
| 528 |
/* (non-Javadoc)
|
| 529 |
* @see org.gvsig.fmap.geom.primitive.Arc#setPointsStartExt(org.gvsig.fmap.geom.primitive.Point, double, double, double)
|
| 530 |
*/
|
| 531 |
public void setPointsStartExt(Point center, double radius, |
| 532 |
double startAngle, double angleExt) { |
| 533 |
|
| 534 |
setPoints(center, radius, startAngle, angleExt); |
| 535 |
} |
| 536 |
|
| 537 |
/* (non-Javadoc)
|
| 538 |
* @see org.gvsig.fmap.geom.primitive.Arc#setPointsStartEnd(org.gvsig.fmap.geom.primitive.Point, double, double, double)
|
| 539 |
*/
|
| 540 |
public void setPointsStartEnd(Point center, double radius, |
| 541 |
double startAngle, double endAngle) { |
| 542 |
|
| 543 |
if (startAngle == endAngle) {
|
| 544 |
setPointsStartExt(center, radius, startAngle, 0);
|
| 545 |
} else {
|
| 546 |
|
| 547 |
/*
|
| 548 |
* Normalize then force clockwise:
|
| 549 |
*/
|
| 550 |
double norm_start = normalizeAngle(startAngle);
|
| 551 |
double norm_end = normalizeAngle(endAngle);
|
| 552 |
double ang_ext = 0; |
| 553 |
|
| 554 |
// clockwise
|
| 555 |
// ang_ext must be positive
|
| 556 |
if (norm_start >= norm_end) {
|
| 557 |
ang_ext = norm_start - norm_end; |
| 558 |
} else {
|
| 559 |
ang_ext = 2 * Math.PI - (norm_end - norm_start); |
| 560 |
} |
| 561 |
|
| 562 |
// finally call other method with ang_ext
|
| 563 |
setPointsStartExt(center, radius, startAngle, ang_ext); |
| 564 |
} |
| 565 |
} |
| 566 |
|
| 567 |
/**
|
| 568 |
* Leaves the angle between PI and -PI
|
| 569 |
* @param angle (radians)
|
| 570 |
* @return
|
| 571 |
*/
|
| 572 |
private double normalizeAngle(double angle) { |
| 573 |
|
| 574 |
if (angle > -Math.PI && angle <= Math.PI) { |
| 575 |
return angle;
|
| 576 |
} |
| 577 |
|
| 578 |
if (angle == Double.NEGATIVE_INFINITY |
| 579 |
|| angle == Double.POSITIVE_INFINITY) {
|
| 580 |
return 0; |
| 581 |
} |
| 582 |
|
| 583 |
double abs_ang = Math.abs(angle); |
| 584 |
double remove = Math.floor(abs_ang / (2 * Math.PI)); |
| 585 |
remove = remove * 2 * Math.PI; |
| 586 |
double resp = 0; |
| 587 |
|
| 588 |
if (angle > 0) { |
| 589 |
resp = angle - remove; |
| 590 |
if (resp > Math.PI) { |
| 591 |
// final adjustment
|
| 592 |
resp = resp - 2 * Math.PI; |
| 593 |
} |
| 594 |
} else {
|
| 595 |
resp = angle + remove; |
| 596 |
if (resp <= -Math.PI) { |
| 597 |
// final adjustment
|
| 598 |
resp = resp + 2 * Math.PI; |
| 599 |
} |
| 600 |
} |
| 601 |
|
| 602 |
return resp;
|
| 603 |
} |
| 604 |
|
| 605 |
/* (non-Javadoc)
|
| 606 |
* @see org.gvsig.fmap.geom.primitive.Arc#setPoints(java.awt.geom.Point2D, double, double, double)
|
| 607 |
*/
|
| 608 |
private void setPoints(Point2D center, double radius, double initAngle, |
| 609 |
double angleExt) {
|
| 610 |
java.awt.geom.Arc2D arco = UtilFunctions.createArc(center, radius, initAngle, angleExt); |
| 611 |
|
| 612 |
java.awt.geom.Arc2D semiarco = UtilFunctions.createArc(center, radius, initAngle, angleExt/2);
|
| 613 |
if (arco == null || semiarco == null) { |
| 614 |
logger.info("Did not set arc points (probably aligned points)");
|
| 615 |
return;
|
| 616 |
} |
| 617 |
|
| 618 |
Point2D p1 = arco.getStartPoint();
|
| 619 |
Point2D p2 = semiarco.getEndPoint();
|
| 620 |
Point2D p3 = arco.getEndPoint();
|
| 621 |
|
| 622 |
setPoints(p1, p2, p3); |
| 623 |
} |
| 624 |
|
| 625 |
|
| 626 |
|
| 627 |
/* (non-Javadoc)
|
| 628 |
* @see org.gvsig.fmap.geom.primitive.Curve2D#setPoints(org.gvsig.fmap.geom.primitive.Point, org.gvsig.fmap.geom.primitive.Point)
|
| 629 |
*/
|
| 630 |
public void setPoints(Point startPoint, Point endPoint) { |
| 631 |
throw new UnsupportedOperationException("Use setGeneralPathX"); |
| 632 |
} |
| 633 |
|
| 634 |
/* (non-Javadoc)
|
| 635 |
* @see org.gvsig.fmap.geom.primitive.Arc#getEndPoint()
|
| 636 |
*/
|
| 637 |
public Point getEndPoint() { |
| 638 |
return new org.gvsig.fmap.geom.primitive.impl.Point2D(end.getX(), end.getY()); |
| 639 |
} |
| 640 |
|
| 641 |
/* (non-Javadoc)
|
| 642 |
* @see org.gvsig.fmap.geom.primitive.Arc#getInitPoint()
|
| 643 |
*/
|
| 644 |
public Point getInitPoint() { |
| 645 |
return new org.gvsig.fmap.geom.primitive.impl.Point2D(init.getX(), init.getY()); |
| 646 |
} |
| 647 |
|
| 648 |
/* (non-Javadoc)
|
| 649 |
* @see org.gvsig.fmap.geom.primitive.Arc#getCenterPoint()
|
| 650 |
*/
|
| 651 |
public Point getCenterPoint() { |
| 652 |
Point2D p = UtilFunctions.getCenter(init, middle,end);
|
| 653 |
try {
|
| 654 |
return new org.gvsig.fmap.geom.primitive.impl.Point2D(p.getX(), p.getY()); |
| 655 |
} catch (Exception e) { |
| 656 |
return null; |
| 657 |
} |
| 658 |
} |
| 659 |
|
| 660 |
|
| 661 |
|
| 662 |
|
| 663 |
} |