root / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / core / v02 / FConverter.java @ 1005
History | View | Annotate | Download (17 KB)
| 1 |
/*
|
|---|---|
| 2 |
* Created on 08-jun-2004
|
| 3 |
*
|
| 4 |
* TODO To change the template for this generated file go to
|
| 5 |
* Window - Preferences - Java - Code Generation - Code and Comments
|
| 6 |
*/
|
| 7 |
package com.iver.cit.gvsig.fmap.core.v02; |
| 8 |
|
| 9 |
import com.iver.cit.gvsig.fmap.core.FPoint2D; |
| 10 |
import com.iver.cit.gvsig.fmap.core.FPolygon2D; |
| 11 |
import com.iver.cit.gvsig.fmap.core.FPolyline2D; |
| 12 |
import com.iver.cit.gvsig.fmap.core.FShape; |
| 13 |
import com.iver.cit.gvsig.fmap.core.GeneralPathX; |
| 14 |
|
| 15 |
import com.vividsolutions.jts.algorithm.CGAlgorithms; |
| 16 |
import com.vividsolutions.jts.algorithm.RobustCGAlgorithms; |
| 17 |
import com.vividsolutions.jts.geom.Coordinate; |
| 18 |
import com.vividsolutions.jts.geom.CoordinateArrays; |
| 19 |
import com.vividsolutions.jts.geom.Envelope; |
| 20 |
import com.vividsolutions.jts.geom.Geometry; |
| 21 |
import com.vividsolutions.jts.geom.GeometryCollection; |
| 22 |
import com.vividsolutions.jts.geom.GeometryFactory; |
| 23 |
import com.vividsolutions.jts.geom.LineString; |
| 24 |
import com.vividsolutions.jts.geom.LinearRing; |
| 25 |
import com.vividsolutions.jts.geom.MultiLineString; |
| 26 |
import com.vividsolutions.jts.geom.MultiPolygon; |
| 27 |
import com.vividsolutions.jts.geom.Point; |
| 28 |
import com.vividsolutions.jts.geom.Polygon; |
| 29 |
|
| 30 |
import java.awt.geom.AffineTransform; |
| 31 |
import java.awt.geom.NoninvertibleTransformException; |
| 32 |
import java.awt.geom.PathIterator; |
| 33 |
import java.awt.geom.Point2D; |
| 34 |
|
| 35 |
import java.lang.reflect.Array; |
| 36 |
|
| 37 |
import java.util.ArrayList; |
| 38 |
|
| 39 |
|
| 40 |
/**
|
| 41 |
* Clase con varios m?todos est?ticos utilizados para pasar de java2d a jts y
|
| 42 |
* viceversa.
|
| 43 |
*
|
| 44 |
* @author fjp
|
| 45 |
*/
|
| 46 |
public class FConverter { |
| 47 |
/**
|
| 48 |
* ?QU? PODEMOS HACER CON LOS MULTIPOINT??? => DEBER?AMOS TRABAJAR CON UN
|
| 49 |
* ARRAY DE PUNTOS EN FShape.....Pensarlo bien.
|
| 50 |
*/
|
| 51 |
private final static GeometryFactory geomFactory = new GeometryFactory(); |
| 52 |
protected static CGAlgorithms cga = new RobustCGAlgorithms(); |
| 53 |
private final static AffineTransform at = new AffineTransform(); |
| 54 |
private static double POINT_MARKER_SIZE = 3.0; |
| 55 |
private static PointConverter pointConverter = new PointConverter() { |
| 56 |
/* (non-Javadoc)
|
| 57 |
* @see com.iver.cit.opensig.fmap.FConverter.PointConverter#toViewPoint(com.vividsolutions.jts.geom.Coordinate)
|
| 58 |
*/
|
| 59 |
public Point2D toViewPoint(Coordinate modelCoordinate) |
| 60 |
throws NoninvertibleTransformException { |
| 61 |
// TODO Auto-generated method stub
|
| 62 |
return null; |
| 63 |
} |
| 64 |
}; |
| 65 |
|
| 66 |
//returns true if testPoint is a point in the pointList list.
|
| 67 |
static boolean pointInList(Coordinate testPoint, Coordinate[] pointList) { |
| 68 |
int t;
|
| 69 |
int numpoints;
|
| 70 |
Coordinate p; |
| 71 |
|
| 72 |
numpoints = Array.getLength(pointList);
|
| 73 |
|
| 74 |
for (t = 0; t < numpoints; t++) { |
| 75 |
p = pointList[t]; |
| 76 |
|
| 77 |
if ((testPoint.x == p.x) && (testPoint.y == p.y) &&
|
| 78 |
((testPoint.z == p.z) || (!(testPoint.z == testPoint.z))) //nan test; x!=x iff x is nan
|
| 79 |
) {
|
| 80 |
return true; |
| 81 |
} |
| 82 |
} |
| 83 |
|
| 84 |
return false; |
| 85 |
} |
| 86 |
|
| 87 |
/**
|
| 88 |
* Convierte un FShape a una Geometry del JTS. Para ello, utilizamos un
|
| 89 |
* "flattened PathIterator". El flattened indica que las curvas las pasa a
|
| 90 |
* segmentos de l?nea recta AUTOMATICAMENTE!!!.
|
| 91 |
*
|
| 92 |
* @param shp FShape que se quiere convertir.
|
| 93 |
*
|
| 94 |
* @return Geometry de JTS.
|
| 95 |
*/
|
| 96 |
public static Geometry java2d_to_jts(FShape shp) { |
| 97 |
double flatness = 0.8; // Por ejemplo. Cuanto m?s peque?o, m?s segmentos necesitar? la curva |
| 98 |
|
| 99 |
// Es la m?xima distancia que permitimos que el trazo aproximado
|
| 100 |
// difiera del trazo real.
|
| 101 |
Geometry geoJTS = null;
|
| 102 |
Coordinate coord; |
| 103 |
Coordinate[] coords;
|
| 104 |
ArrayList arrayCoords = null; |
| 105 |
ArrayList arrayLines;
|
| 106 |
LineString lin; |
| 107 |
LinearRing linRing; |
| 108 |
LinearRing linRingExt = null;
|
| 109 |
int theType;
|
| 110 |
int numParts = 0; |
| 111 |
|
| 112 |
// Use this array to store segment coordinate data
|
| 113 |
double[] theData = new double[6]; |
| 114 |
PathIterator theIterator;
|
| 115 |
|
| 116 |
switch (shp.getShapeType()) {
|
| 117 |
case FShape.POINT:
|
| 118 |
|
| 119 |
FPoint2D p = (FPoint2D) shp; |
| 120 |
coord = new Coordinate(p.getX(), p.getY());
|
| 121 |
geoJTS = new GeometryFactory().createPoint(coord);
|
| 122 |
|
| 123 |
break;
|
| 124 |
|
| 125 |
case FShape.LINE:
|
| 126 |
arrayLines = new ArrayList(); |
| 127 |
theIterator = shp.getPathIterator(null); //, flatness); |
| 128 |
|
| 129 |
while (!theIterator.isDone()) {
|
| 130 |
//while not done
|
| 131 |
theType = theIterator.currentSegment(theData); |
| 132 |
|
| 133 |
//Populate a segment of the new
|
| 134 |
// GeneralPathX object.
|
| 135 |
//Process the current segment to populate a new
|
| 136 |
// segment of the new GeneralPathX object.
|
| 137 |
switch (theType) {
|
| 138 |
case PathIterator.SEG_MOVETO: |
| 139 |
|
| 140 |
// System.out.println("SEG_MOVETO");
|
| 141 |
if (arrayCoords == null) { |
| 142 |
arrayCoords = new ArrayList(); |
| 143 |
} else {
|
| 144 |
lin = new GeometryFactory().createLineString(CoordinateArrays.toCoordinateArray(
|
| 145 |
arrayCoords)); |
| 146 |
arrayLines.add(lin); |
| 147 |
arrayCoords = new ArrayList(); |
| 148 |
} |
| 149 |
|
| 150 |
numParts++; |
| 151 |
arrayCoords.add(new Coordinate(theData[0], |
| 152 |
theData[1]));
|
| 153 |
|
| 154 |
break;
|
| 155 |
|
| 156 |
case PathIterator.SEG_LINETO: |
| 157 |
|
| 158 |
// System.out.println("SEG_LINETO");
|
| 159 |
arrayCoords.add(new Coordinate(theData[0], |
| 160 |
theData[1]));
|
| 161 |
|
| 162 |
break;
|
| 163 |
|
| 164 |
case PathIterator.SEG_QUADTO: |
| 165 |
System.out.println("Not supported here"); |
| 166 |
|
| 167 |
break;
|
| 168 |
|
| 169 |
case PathIterator.SEG_CUBICTO: |
| 170 |
System.out.println("Not supported here"); |
| 171 |
|
| 172 |
break;
|
| 173 |
|
| 174 |
case PathIterator.SEG_CLOSE: |
| 175 |
System.out.println("SEG_CLOSE"); |
| 176 |
|
| 177 |
// A?adimos el primer punto para cerrar.
|
| 178 |
Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
| 179 |
arrayCoords.add(new Coordinate(firstCoord.x,
|
| 180 |
firstCoord.y)); |
| 181 |
|
| 182 |
break;
|
| 183 |
} //end switch
|
| 184 |
|
| 185 |
theIterator.next(); |
| 186 |
} //end while loop
|
| 187 |
|
| 188 |
lin = new GeometryFactory().createLineString(CoordinateArrays.toCoordinateArray(
|
| 189 |
arrayCoords)); |
| 190 |
|
| 191 |
if (numParts > 1) // Generamos una MultiLineString |
| 192 |
{
|
| 193 |
arrayLines.add(lin); |
| 194 |
geoJTS = new GeometryFactory().createMultiLineString(GeometryFactory.toLineStringArray(
|
| 195 |
arrayLines)); |
| 196 |
} else {
|
| 197 |
geoJTS = lin; |
| 198 |
} |
| 199 |
|
| 200 |
break;
|
| 201 |
|
| 202 |
case FShape.POLYGON:
|
| 203 |
arrayLines = new ArrayList(); |
| 204 |
|
| 205 |
ArrayList shells = new ArrayList(); |
| 206 |
ArrayList holes = new ArrayList(); |
| 207 |
Coordinate[] points = null; |
| 208 |
|
| 209 |
theIterator = shp.getPathIterator(at, flatness); |
| 210 |
|
| 211 |
while (!theIterator.isDone()) {
|
| 212 |
//while not done
|
| 213 |
theType = theIterator.currentSegment(theData); |
| 214 |
|
| 215 |
//Populate a segment of the new
|
| 216 |
// GeneralPathX object.
|
| 217 |
//Process the current segment to populate a new
|
| 218 |
// segment of the new GeneralPathX object.
|
| 219 |
switch (theType) {
|
| 220 |
case PathIterator.SEG_MOVETO: |
| 221 |
|
| 222 |
// System.out.println("SEG_MOVETO");
|
| 223 |
if (arrayCoords == null) { |
| 224 |
arrayCoords = new ArrayList(); |
| 225 |
} else {
|
| 226 |
points = CoordinateArrays.toCoordinateArray(arrayCoords); |
| 227 |
|
| 228 |
try {
|
| 229 |
LinearRing ring = geomFactory.createLinearRing(points); |
| 230 |
|
| 231 |
if (CGAlgorithms.isCCW(points)) {
|
| 232 |
holes.add(ring); |
| 233 |
} else {
|
| 234 |
shells.add(ring); |
| 235 |
} |
| 236 |
} catch (Exception e) { |
| 237 |
System.err.println(
|
| 238 |
"Caught Topology exception in GMLLinearRingHandler");
|
| 239 |
|
| 240 |
return null; |
| 241 |
} |
| 242 |
|
| 243 |
/* if (numParts == 1)
|
| 244 |
{
|
| 245 |
linRingExt = new GeometryFactory().createLinearRing(
|
| 246 |
CoordinateArrays.toCoordinateArray(arrayCoords));
|
| 247 |
}
|
| 248 |
else
|
| 249 |
{
|
| 250 |
linRing = new GeometryFactory().createLinearRing(
|
| 251 |
CoordinateArrays.toCoordinateArray(arrayCoords));
|
| 252 |
arrayLines.add(linRing);
|
| 253 |
} */
|
| 254 |
arrayCoords = new ArrayList(); |
| 255 |
} |
| 256 |
|
| 257 |
numParts++; |
| 258 |
arrayCoords.add(new Coordinate(theData[0], |
| 259 |
theData[1]));
|
| 260 |
|
| 261 |
break;
|
| 262 |
|
| 263 |
case PathIterator.SEG_LINETO: |
| 264 |
|
| 265 |
// System.out.println("SEG_LINETO");
|
| 266 |
arrayCoords.add(new Coordinate(theData[0], |
| 267 |
theData[1]));
|
| 268 |
|
| 269 |
break;
|
| 270 |
|
| 271 |
case PathIterator.SEG_QUADTO: |
| 272 |
System.out.println("SEG_QUADTO Not supported here"); |
| 273 |
|
| 274 |
break;
|
| 275 |
|
| 276 |
case PathIterator.SEG_CUBICTO: |
| 277 |
System.out.println("SEG_CUBICTO Not supported here"); |
| 278 |
|
| 279 |
break;
|
| 280 |
|
| 281 |
case PathIterator.SEG_CLOSE: |
| 282 |
|
| 283 |
// A?adimos el primer punto para cerrar.
|
| 284 |
Coordinate firstCoord = (Coordinate) arrayCoords.get(0);
|
| 285 |
arrayCoords.add(new Coordinate(firstCoord.x,
|
| 286 |
firstCoord.y)); |
| 287 |
|
| 288 |
break;
|
| 289 |
} //end switch
|
| 290 |
|
| 291 |
// System.out.println("theData[0] = " + theData[0] + " theData[1]=" + theData[1]);
|
| 292 |
theIterator.next(); |
| 293 |
} //end while loop
|
| 294 |
|
| 295 |
// arrayCoords.add(arrayCoords.get(0));
|
| 296 |
points = CoordinateArrays.toCoordinateArray(arrayCoords); |
| 297 |
|
| 298 |
try {
|
| 299 |
LinearRing ring = geomFactory.createLinearRing(points); |
| 300 |
|
| 301 |
if (CGAlgorithms.isCCW(points)) {
|
| 302 |
holes.add(ring); |
| 303 |
} else {
|
| 304 |
shells.add(ring); |
| 305 |
} |
| 306 |
} catch (Exception e) { |
| 307 |
System.err.println(
|
| 308 |
"Caught Topology exception in GMLLinearRingHandler");
|
| 309 |
|
| 310 |
return null; |
| 311 |
} |
| 312 |
|
| 313 |
/* linRing = new GeometryFactory().createLinearRing(
|
| 314 |
CoordinateArrays.toCoordinateArray(arrayCoords)); */
|
| 315 |
|
| 316 |
// System.out.println("NumParts = " + numParts);
|
| 317 |
//now we have a list of all shells and all holes
|
| 318 |
ArrayList holesForShells = new ArrayList(shells.size()); |
| 319 |
|
| 320 |
for (int i = 0; i < shells.size(); i++) { |
| 321 |
holesForShells.add(new ArrayList()); |
| 322 |
} |
| 323 |
|
| 324 |
//find homes
|
| 325 |
for (int i = 0; i < holes.size(); i++) { |
| 326 |
LinearRing testRing = (LinearRing) holes.get(i); |
| 327 |
LinearRing minShell = null;
|
| 328 |
Envelope minEnv = null;
|
| 329 |
Envelope testEnv = testRing.getEnvelopeInternal(); |
| 330 |
Coordinate testPt = testRing.getCoordinateN(0);
|
| 331 |
LinearRing tryRing; |
| 332 |
|
| 333 |
for (int j = 0; j < shells.size(); j++) { |
| 334 |
tryRing = (LinearRing) shells.get(j); |
| 335 |
|
| 336 |
Envelope tryEnv = tryRing.getEnvelopeInternal(); |
| 337 |
|
| 338 |
if (minShell != null) { |
| 339 |
minEnv = minShell.getEnvelopeInternal(); |
| 340 |
} |
| 341 |
|
| 342 |
boolean isContained = false; |
| 343 |
Coordinate[] coordList = tryRing.getCoordinates();
|
| 344 |
|
| 345 |
if (tryEnv.contains(testEnv) &&
|
| 346 |
(CGAlgorithms.isPointInRing(testPt, coordList) || |
| 347 |
(pointInList(testPt, coordList)))) {
|
| 348 |
isContained = true;
|
| 349 |
} |
| 350 |
|
| 351 |
// check if this new containing ring is smaller than the current minimum ring
|
| 352 |
if (isContained) {
|
| 353 |
if ((minShell == null) || minEnv.contains(tryEnv)) { |
| 354 |
minShell = tryRing; |
| 355 |
} |
| 356 |
} |
| 357 |
} |
| 358 |
|
| 359 |
if (minShell == null) { |
| 360 |
System.out.println(
|
| 361 |
"polygon found with a hole thats not inside a shell");
|
| 362 |
} else {
|
| 363 |
((ArrayList) holesForShells.get(shells.indexOf(minShell))).add(testRing);
|
| 364 |
} |
| 365 |
} |
| 366 |
|
| 367 |
Polygon[] polygons = new Polygon[shells.size()]; |
| 368 |
|
| 369 |
for (int i = 0; i < shells.size(); i++) { |
| 370 |
polygons[i] = geomFactory.createPolygon((LinearRing) shells.get( |
| 371 |
i), |
| 372 |
(LinearRing[]) ((ArrayList) holesForShells.get(i)).toArray( |
| 373 |
new LinearRing[0])); |
| 374 |
} |
| 375 |
|
| 376 |
if (polygons.length == 1) { |
| 377 |
return polygons[0]; |
| 378 |
} |
| 379 |
|
| 380 |
holesForShells = null;
|
| 381 |
shells = null;
|
| 382 |
holes = null;
|
| 383 |
|
| 384 |
//its a multi part
|
| 385 |
geoJTS = geomFactory.createMultiPolygon(polygons); |
| 386 |
|
| 387 |
/* if (numParts > 1) // Generamos un Polygon con agujeros
|
| 388 |
{
|
| 389 |
arrayLines.add(linRing);
|
| 390 |
// geoJTS = new GeometryFactory().createPolygon(linRingExt,
|
| 391 |
// GeometryFactory.toLinearRingArray(arrayLines));
|
| 392 |
geoJTS = new GeometryFactory().buildGeometry(arrayLines);
|
| 393 |
|
| 394 |
// geoJTS = Polygonizer.class.
|
| 395 |
}
|
| 396 |
else
|
| 397 |
{
|
| 398 |
geoJTS = new GeometryFactory().createPolygon(linRing,null);
|
| 399 |
} */
|
| 400 |
break;
|
| 401 |
} |
| 402 |
|
| 403 |
return geoJTS;
|
| 404 |
} |
| 405 |
|
| 406 |
/**
|
| 407 |
* Converts JTS Geometry objects into Java 2D Shape objects
|
| 408 |
*
|
| 409 |
* @param geo Geometry de JTS.
|
| 410 |
*
|
| 411 |
* @return FShape.
|
| 412 |
*/
|
| 413 |
public static FShape jts_to_java2d(Geometry geo) { |
| 414 |
FShape shpNew = null;
|
| 415 |
|
| 416 |
try {
|
| 417 |
if (geo instanceof Point) { |
| 418 |
shpNew = new FPoint2D(((Point) geo).getX(), ((Point) geo).getY()); |
| 419 |
} |
| 420 |
|
| 421 |
if (geo.isEmpty()) {
|
| 422 |
shpNew = null;
|
| 423 |
} |
| 424 |
|
| 425 |
if (geo instanceof Polygon) { |
| 426 |
shpNew = new FPolygon2D(toShape((Polygon) geo)); |
| 427 |
} |
| 428 |
|
| 429 |
if (geo instanceof MultiPolygon) { |
| 430 |
shpNew = new FPolygon2D(toShape((MultiPolygon) geo));
|
| 431 |
} |
| 432 |
|
| 433 |
if (geo instanceof LineString) { |
| 434 |
shpNew = new FPolyline2D(toShape((LineString) geo));
|
| 435 |
} |
| 436 |
|
| 437 |
if (geo instanceof MultiLineString) { |
| 438 |
shpNew = new FPolyline2D(toShape((MultiLineString) geo));
|
| 439 |
} |
| 440 |
|
| 441 |
/* OJO: CON ALGO COMO FSHAPE NO S? C?MO PODEMOS IMPLEMENTAR UN GeometryCollection
|
| 442 |
* No sabremos si queremos una l?nea o un pol?gono.....
|
| 443 |
* if (geometry instanceof GeometryCollection) {
|
| 444 |
return toShape((GeometryCollection) geometry);
|
| 445 |
} */
|
| 446 |
return shpNew;
|
| 447 |
} catch (NoninvertibleTransformException e) { |
| 448 |
// TODO Auto-generated catch block
|
| 449 |
e.printStackTrace(); |
| 450 |
} |
| 451 |
|
| 452 |
return null; |
| 453 |
} |
| 454 |
|
| 455 |
/**
|
| 456 |
* DOCUMENT ME!
|
| 457 |
*
|
| 458 |
* @param p DOCUMENT ME!
|
| 459 |
*
|
| 460 |
* @return DOCUMENT ME!
|
| 461 |
*/
|
| 462 |
private static GeneralPathX toShape(Polygon p) { |
| 463 |
GeneralPathX resul = new GeneralPathX();
|
| 464 |
Coordinate coord; |
| 465 |
|
| 466 |
for (int i = 0; i < p.getExteriorRing().getNumPoints(); i++) { |
| 467 |
coord = p.getExteriorRing().getCoordinateN(i); |
| 468 |
|
| 469 |
if (i == 0) { |
| 470 |
resul.moveTo((float) coord.x, (float) coord.y); |
| 471 |
} else {
|
| 472 |
resul.lineTo((float) coord.x, (float) coord.y); |
| 473 |
} |
| 474 |
} |
| 475 |
|
| 476 |
for (int j = 0; j < p.getNumInteriorRing(); j++) { |
| 477 |
LineString hole = p.getInteriorRingN(j); |
| 478 |
|
| 479 |
for (int k = 0; k < hole.getNumPoints(); k++) { |
| 480 |
coord = hole.getCoordinateN(k); |
| 481 |
|
| 482 |
if (k == 0) { |
| 483 |
resul.moveTo((float) coord.x, (float) coord.y); |
| 484 |
} else {
|
| 485 |
resul.lineTo((float) coord.x, (float) coord.y); |
| 486 |
} |
| 487 |
} |
| 488 |
} |
| 489 |
|
| 490 |
return resul;
|
| 491 |
} |
| 492 |
|
| 493 |
/**
|
| 494 |
* DOCUMENT ME!
|
| 495 |
*
|
| 496 |
* @param modelCoordinates DOCUMENT ME!
|
| 497 |
*
|
| 498 |
* @return DOCUMENT ME!
|
| 499 |
*
|
| 500 |
* @throws NoninvertibleTransformException DOCUMENT ME!
|
| 501 |
*/
|
| 502 |
private Coordinate[] toViewCoordinates(Coordinate[] modelCoordinates) |
| 503 |
throws NoninvertibleTransformException { |
| 504 |
Coordinate[] viewCoordinates = new Coordinate[modelCoordinates.length]; |
| 505 |
|
| 506 |
for (int i = 0; i < modelCoordinates.length; i++) { |
| 507 |
FPoint2D point2D = toViewPoint(modelCoordinates[i]); |
| 508 |
viewCoordinates[i] = new Coordinate(point2D.getX(), point2D.getY());
|
| 509 |
} |
| 510 |
|
| 511 |
return viewCoordinates;
|
| 512 |
} |
| 513 |
|
| 514 |
/* private Shape toShape(GeometryCollection gc)
|
| 515 |
throws NoninvertibleTransformException {
|
| 516 |
GeometryCollectionShape shape = new GeometryCollectionShape();
|
| 517 |
for (int i = 0; i < gc.getNumGeometries(); i++) {
|
| 518 |
Geometry g = (Geometry) gc.getGeometryN(i);
|
| 519 |
shape.add(toShape(g));
|
| 520 |
}
|
| 521 |
return shape;
|
| 522 |
} */
|
| 523 |
private static GeneralPathX toShape(MultiLineString mls) |
| 524 |
throws NoninvertibleTransformException { |
| 525 |
GeneralPathX path = new GeneralPathX();
|
| 526 |
|
| 527 |
for (int i = 0; i < mls.getNumGeometries(); i++) { |
| 528 |
LineString lineString = (LineString) mls.getGeometryN(i); |
| 529 |
path.append(toShape(lineString), false);
|
| 530 |
} |
| 531 |
|
| 532 |
//BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
| 533 |
//converted to GeneralPathXs. [Jon Aquino]
|
| 534 |
return path;
|
| 535 |
} |
| 536 |
|
| 537 |
/**
|
| 538 |
* DOCUMENT ME!
|
| 539 |
*
|
| 540 |
* @param lineString DOCUMENT ME!
|
| 541 |
*
|
| 542 |
* @return DOCUMENT ME!
|
| 543 |
*
|
| 544 |
* @throws NoninvertibleTransformException DOCUMENT ME!
|
| 545 |
*/
|
| 546 |
private static GeneralPathX toShape(LineString lineString) |
| 547 |
throws NoninvertibleTransformException { |
| 548 |
GeneralPathX shape = new GeneralPathX();
|
| 549 |
FPoint2D viewPoint = toViewPoint(lineString.getCoordinateN(0));
|
| 550 |
shape.moveTo((float) viewPoint.getX(), (float) viewPoint.getY()); |
| 551 |
|
| 552 |
for (int i = 1; i < lineString.getNumPoints(); i++) { |
| 553 |
viewPoint = toViewPoint(lineString.getCoordinateN(i)); |
| 554 |
shape.lineTo((float) viewPoint.getX(), (float) viewPoint.getY()); |
| 555 |
} |
| 556 |
|
| 557 |
//BasicFeatureRenderer expects LineStrings and MultiLineStrings to be
|
| 558 |
//converted to GeneralPathXs. [Jon Aquino]
|
| 559 |
return shape;
|
| 560 |
} |
| 561 |
|
| 562 |
/**
|
| 563 |
* DOCUMENT ME!
|
| 564 |
*
|
| 565 |
* @param point DOCUMENT ME!
|
| 566 |
*
|
| 567 |
* @return DOCUMENT ME!
|
| 568 |
*
|
| 569 |
* @throws NoninvertibleTransformException DOCUMENT ME!
|
| 570 |
*/
|
| 571 |
private static FPoint2D toShape(Point point) |
| 572 |
throws NoninvertibleTransformException { |
| 573 |
FPoint2D viewPoint = toViewPoint(point.getCoordinate()); |
| 574 |
|
| 575 |
return viewPoint;
|
| 576 |
} |
| 577 |
|
| 578 |
/**
|
| 579 |
* DOCUMENT ME!
|
| 580 |
*
|
| 581 |
* @param coord DOCUMENT ME!
|
| 582 |
*
|
| 583 |
* @return DOCUMENT ME!
|
| 584 |
*/
|
| 585 |
private static FPoint2D toViewPoint(Coordinate coord) { |
| 586 |
return new FPoint2D(coord.x, coord.y); //,coord.z); |
| 587 |
} |
| 588 |
|
| 589 |
/**
|
| 590 |
* Convierte una Geometry de JTS a GeneralPathX.
|
| 591 |
*
|
| 592 |
* @param geometry Geometry a convertir.
|
| 593 |
*
|
| 594 |
* @return GeneralPathX.
|
| 595 |
*
|
| 596 |
* @throws NoninvertibleTransformException
|
| 597 |
* @throws IllegalArgumentException
|
| 598 |
*/
|
| 599 |
public static GeneralPathX toShape(Geometry geometry) |
| 600 |
throws NoninvertibleTransformException { |
| 601 |
if (geometry.isEmpty()) {
|
| 602 |
return new GeneralPathX(); |
| 603 |
} |
| 604 |
|
| 605 |
if (geometry instanceof Polygon) { |
| 606 |
return toShape((Polygon) geometry); |
| 607 |
} |
| 608 |
|
| 609 |
if (geometry instanceof MultiPolygon) { |
| 610 |
return toShape((MultiPolygon) geometry);
|
| 611 |
} |
| 612 |
|
| 613 |
if (geometry instanceof LineString) { |
| 614 |
return toShape((LineString) geometry);
|
| 615 |
} |
| 616 |
|
| 617 |
if (geometry instanceof MultiLineString) { |
| 618 |
return toShape((MultiLineString) geometry);
|
| 619 |
} |
| 620 |
|
| 621 |
if (geometry instanceof GeometryCollection) { |
| 622 |
return toShape((GeometryCollection) geometry);
|
| 623 |
} |
| 624 |
|
| 625 |
throw new IllegalArgumentException("Unrecognized Geometry class: " + |
| 626 |
geometry.getClass()); |
| 627 |
} |
| 628 |
|
| 629 |
/**
|
| 630 |
* Interfazaz para convertir una Coordinate de JTS a Point2D.
|
| 631 |
*
|
| 632 |
*/
|
| 633 |
public static interface PointConverter { |
| 634 |
/**
|
| 635 |
* DOCUMENT ME!
|
| 636 |
*
|
| 637 |
* @param modelCoordinate DOCUMENT ME!
|
| 638 |
*
|
| 639 |
* @return DOCUMENT ME!
|
| 640 |
*
|
| 641 |
* @throws NoninvertibleTransformException DOCUMENT ME!
|
| 642 |
*/
|
| 643 |
public Point2D toViewPoint(Coordinate modelCoordinate) |
| 644 |
throws NoninvertibleTransformException; |
| 645 |
} |
| 646 |
} |