svn-gvsig-desktop / branches / v10 / libraries / libDwg / src / com / iver / cit / jdwglib / dwg / objects / DwgPolyline3D.java @ 10539
History | View | Annotate | Download (11.3 KB)
| 1 |
/* jdwglib. Java Library for reading Dwg files.
|
|---|---|
| 2 |
*
|
| 3 |
* Author: Jose Morell Rama (jose.morell@gmail.com).
|
| 4 |
* Port from the Pythoncad Dwg library by Art Haas.
|
| 5 |
*
|
| 6 |
* Copyright (C) 2005 Jose Morell, IVER TI S.A. 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,USA.
|
| 21 |
*
|
| 22 |
* For more information, contact:
|
| 23 |
*
|
| 24 |
* Jose Morell (jose.morell@gmail.com)
|
| 25 |
*
|
| 26 |
* or
|
| 27 |
*
|
| 28 |
* IVER TI S.A.
|
| 29 |
* C/Salamanca, 50
|
| 30 |
* 46005 Valencia
|
| 31 |
* Spain
|
| 32 |
* +34 963163400
|
| 33 |
* dac@iver.es
|
| 34 |
*/
|
| 35 |
package com.iver.cit.jdwglib.dwg.objects; |
| 36 |
|
| 37 |
import java.awt.geom.Point2D; |
| 38 |
import java.util.ArrayList; |
| 39 |
import java.util.List; |
| 40 |
|
| 41 |
import com.iver.cit.gvsig.fmap.core.FPolyline2D; |
| 42 |
import com.iver.cit.gvsig.fmap.core.FShape; |
| 43 |
import com.iver.cit.jdwglib.dwg.DwgFile; |
| 44 |
import com.iver.cit.jdwglib.dwg.DwgHandleReference; |
| 45 |
import com.iver.cit.jdwglib.dwg.DwgObject; |
| 46 |
import com.iver.cit.jdwglib.dwg.IDwg2FMap; |
| 47 |
import com.iver.cit.jdwglib.dwg.IDwg3DTestable; |
| 48 |
import com.iver.cit.jdwglib.dwg.IDwgPolyline; |
| 49 |
import com.iver.cit.jdwglib.util.FMapUtil; |
| 50 |
|
| 51 |
/**
|
| 52 |
* The DwgPolyline3D class represents a DWG Polyline3D
|
| 53 |
*
|
| 54 |
* @author jmorell
|
| 55 |
*/
|
| 56 |
public class DwgPolyline3D extends DwgObject |
| 57 |
implements IDwgPolyline, IDwg3DTestable, IDwg2FMap{
|
| 58 |
public DwgPolyline3D(int index) { |
| 59 |
super(index);
|
| 60 |
// TODO Auto-generated constructor stub
|
| 61 |
} |
| 62 |
private int splineFlags; |
| 63 |
private int closedFlags; |
| 64 |
private DwgHandleReference firstVertexHandle = null; |
| 65 |
private DwgHandleReference lastVertexHandle = null; |
| 66 |
private DwgHandleReference seqendHandle = null; |
| 67 |
private double[][] pts; |
| 68 |
private double[] bulges; |
| 69 |
|
| 70 |
/**
|
| 71 |
* @return Returns the closedFlags.
|
| 72 |
*/
|
| 73 |
public int getClosedFlags() { |
| 74 |
return closedFlags;
|
| 75 |
} |
| 76 |
/**
|
| 77 |
* @param closedFlags The closedFlags to set.
|
| 78 |
*/
|
| 79 |
public void setClosedFlags(int closedFlags) { |
| 80 |
this.closedFlags = closedFlags;
|
| 81 |
} |
| 82 |
/**
|
| 83 |
* @return Returns the firstVertexHandle.
|
| 84 |
*/
|
| 85 |
public DwgHandleReference getFirstVertexHandle() {
|
| 86 |
return firstVertexHandle;
|
| 87 |
} |
| 88 |
/**
|
| 89 |
* @param firstVertexHandle The firstVertexHandle to set.
|
| 90 |
*/
|
| 91 |
public void setFirstVertexHandle(DwgHandleReference firstVertexHandle) { |
| 92 |
this.firstVertexHandle = firstVertexHandle;
|
| 93 |
} |
| 94 |
/**
|
| 95 |
* @return Returns the lastVertexHandle.
|
| 96 |
*/
|
| 97 |
public DwgHandleReference getLastVertexHandle() {
|
| 98 |
return lastVertexHandle;
|
| 99 |
} |
| 100 |
/**
|
| 101 |
* @param lastVertexHandle The lastVertexHandle to set.
|
| 102 |
*/
|
| 103 |
public void setLastVertexHandle(DwgHandleReference lastVertexHandle) { |
| 104 |
this.lastVertexHandle = lastVertexHandle;
|
| 105 |
} |
| 106 |
/**
|
| 107 |
* @return Returns the pts.
|
| 108 |
*/
|
| 109 |
public double[][] getPts() { |
| 110 |
return pts;
|
| 111 |
} |
| 112 |
/**
|
| 113 |
* @param pts The pts to set.
|
| 114 |
*/
|
| 115 |
public void setPts(double[][] pts) { |
| 116 |
this.pts = pts;
|
| 117 |
} |
| 118 |
/**
|
| 119 |
* @return Returns the bulges.
|
| 120 |
*/
|
| 121 |
public double[] getBulges() { |
| 122 |
return bulges;
|
| 123 |
} |
| 124 |
/**
|
| 125 |
* @param bulges The bulges to set.
|
| 126 |
*/
|
| 127 |
public void setBulges(double[] bulges) { |
| 128 |
this.bulges = bulges;
|
| 129 |
} |
| 130 |
|
| 131 |
/**
|
| 132 |
* @return Returns the seqendHandle.
|
| 133 |
*/
|
| 134 |
public DwgHandleReference getSeqendHandle() {
|
| 135 |
return seqendHandle;
|
| 136 |
} |
| 137 |
/**
|
| 138 |
* @param seqendHandle The seqendHandle to set.
|
| 139 |
*/
|
| 140 |
public void setSeqendHandle(DwgHandleReference seqendHandle) { |
| 141 |
this.seqendHandle = seqendHandle;
|
| 142 |
} |
| 143 |
/**
|
| 144 |
* @return Returns the splineFlags.
|
| 145 |
*/
|
| 146 |
public int getSplineFlags() { |
| 147 |
return splineFlags;
|
| 148 |
} |
| 149 |
/**
|
| 150 |
* @param splineFlags The splineFlags to set.
|
| 151 |
*/
|
| 152 |
public void setSplineFlags(int splineFlags) { |
| 153 |
this.splineFlags = splineFlags;
|
| 154 |
} |
| 155 |
|
| 156 |
public void calculateGisModel(DwgFile dwgFile){ |
| 157 |
|
| 158 |
int closedFlags = getClosedFlags();
|
| 159 |
DwgHandleReference firstHandle = getFirstVertexHandle(); |
| 160 |
DwgHandleReference lastHandle = getLastVertexHandle(); |
| 161 |
ArrayList pts = new ArrayList(); |
| 162 |
double[] pt = new double[3]; |
| 163 |
double bulge = 0d; |
| 164 |
|
| 165 |
DwgObject first = dwgFile.getDwgObjectFromHandle(firstHandle.getOffset()); |
| 166 |
DwgObject last = dwgFile.getDwgObjectFromHandle(lastHandle.getOffset()); |
| 167 |
if(first == null || last == null){ |
| 168 |
System.out.println("Polyline3D con vertices inicial o final a null"); |
| 169 |
return;
|
| 170 |
} |
| 171 |
|
| 172 |
if(!(first instanceof DwgVertex3D)){ |
| 173 |
System.out.println("El primer vertice de Polyline3D es "+ |
| 174 |
first.getClass().getName()); |
| 175 |
return;
|
| 176 |
} |
| 177 |
|
| 178 |
if(!(last instanceof DwgVertex3D)){ |
| 179 |
System.out.println("El primer vertice de Polyline3D es "+ |
| 180 |
first.getClass().getName()); |
| 181 |
return;
|
| 182 |
} |
| 183 |
|
| 184 |
int firstObjIdx = dwgFile.getIndexOf(first);
|
| 185 |
int lastObjIdx = dwgFile.getIndexOf(last);
|
| 186 |
if(firstObjIdx == -1 || lastObjIdx == -1){ |
| 187 |
System.out.println("Calculate GIS Model: Problemas en la LinkedList: 1?="+firstObjIdx+",Ultimo="+lastObjIdx); |
| 188 |
return;
|
| 189 |
} |
| 190 |
|
| 191 |
|
| 192 |
// pt = ((DwgVertex2D)first).getPoint();
|
| 193 |
// pts.add(new Point2D.Double(pt[0], pt[1]));
|
| 194 |
// double bulge = ((DwgVertex2D)first).getBulge();
|
| 195 |
// bulges.add(new Double(bulge));
|
| 196 |
|
| 197 |
for(int i = firstObjIdx; i <= lastObjIdx; i++){ |
| 198 |
DwgObject obj = dwgFile.getDwgObject(i); |
| 199 |
if(obj instanceof DwgVertex3D){ |
| 200 |
DwgVertex3D vertex = (DwgVertex3D) obj; |
| 201 |
pt = ((DwgVertex3D)vertex).getPoint(); |
| 202 |
pts.add(new double[]{pt[0], pt[1], pt[2]}); |
| 203 |
}else if(obj instanceof DwgSeqend){ |
| 204 |
//TODO En Polyline2D J.Morell no interrumpia el barrido,
|
| 205 |
//pero aqu? S?. REVISAR
|
| 206 |
break;
|
| 207 |
}else{
|
| 208 |
System.out.println("Encontrado "+obj.getClass().getName()+" en la lista de vertices de Polyline3D"); |
| 209 |
} |
| 210 |
}//for
|
| 211 |
|
| 212 |
if (pts.size()>0) { |
| 213 |
double[][] newPts = new double[pts.size()][3]; |
| 214 |
if ((closedFlags & 0x1)== 0x1) { |
| 215 |
newPts = new double[pts.size()+1][3]; |
| 216 |
for (int j=0;j<pts.size();j++) { |
| 217 |
newPts[j][0] = ((double[])pts.get(j))[0]; |
| 218 |
newPts[j][1] = ((double[])pts.get(j))[1]; |
| 219 |
newPts[j][2] = ((double[])pts.get(j))[2]; |
| 220 |
} |
| 221 |
newPts[pts.size()][0] = ((double[])pts.get(0))[0]; |
| 222 |
newPts[pts.size()][1] = ((double[])pts.get(0))[1]; |
| 223 |
newPts[pts.size()][2] = ((double[])pts.get(0))[2]; |
| 224 |
} else {
|
| 225 |
for (int j=0;j<pts.size();j++) { |
| 226 |
newPts[j][0] = ((double[])pts.get(j))[0]; |
| 227 |
newPts[j][1] = ((double[])pts.get(j))[1]; |
| 228 |
newPts[j][2] = ((double[])pts.get(j))[2]; |
| 229 |
}//for
|
| 230 |
}//if
|
| 231 |
setPts(newPts); |
| 232 |
} else {
|
| 233 |
System.out.println("Encontrada polil?nea sin puntos ..."); |
| 234 |
// TODO: No se debe mandar nunca una polil?nea sin puntos, si esto
|
| 235 |
// ocurre es porque existe un error que hay que corregir ...
|
| 236 |
} |
| 237 |
|
| 238 |
} |
| 239 |
|
| 240 |
//TODO Metodo antiguo y muy ineficiente. Se deja hasta que se
|
| 241 |
//revise que funciona el nuevo perfectamente
|
| 242 |
public void calculateGisModel(List dwgObjects) { |
| 243 |
int closedFlags = getClosedFlags();
|
| 244 |
|
| 245 |
// En estas dos lineas de abajo y en el resto del metodo
|
| 246 |
// se mantiene el mecanismo anterior al refactoring.
|
| 247 |
// TODO: Pensar si deberiamos coger el handle completo.
|
| 248 |
// Tal vez deberiamos tomar el handle completo y evaluar
|
| 249 |
// a donde apuntan (pueden haber 2 handles con codigo y offset
|
| 250 |
// distintos y que, sin embargo apunten al mismo objeto).
|
| 251 |
|
| 252 |
int firstHandle = getFirstVertexHandle().getOffset();
|
| 253 |
int lastHandle = getLastVertexHandle().getOffset();
|
| 254 |
ArrayList pts = new ArrayList(); |
| 255 |
double[] pt = new double[3]; |
| 256 |
|
| 257 |
//TODO Sustituir esto por un hashtable handle->DwgObject
|
| 258 |
for (int j=0;j< dwgObjects.size();j++) { |
| 259 |
DwgObject firstVertex = (DwgObject)dwgObjects.get(j); |
| 260 |
if (firstVertex instanceof DwgVertex3D) { |
| 261 |
int vertexHandle = firstVertex.getHandle().getOffset();
|
| 262 |
if (vertexHandle==firstHandle) {
|
| 263 |
int k=0; |
| 264 |
while (true) { |
| 265 |
DwgObject vertex = (DwgObject)dwgObjects.get(j+k); |
| 266 |
int vHandle = vertex.getHandle().getOffset();
|
| 267 |
if (vertex instanceof DwgVertex3D) { |
| 268 |
pt = ((DwgVertex3D)vertex).getPoint(); |
| 269 |
pts.add(new double[]{pt[0], pt[1], pt[2]}); |
| 270 |
k++; |
| 271 |
if (vHandle==lastHandle && vertex instanceof DwgVertex3D) { |
| 272 |
break;
|
| 273 |
} |
| 274 |
} else if (vertex instanceof DwgSeqend) { |
| 275 |
break;
|
| 276 |
}//if
|
| 277 |
}//while
|
| 278 |
}//if
|
| 279 |
}//if
|
| 280 |
}//for
|
| 281 |
|
| 282 |
if (pts.size()>0) { |
| 283 |
double[][] newPts = new double[pts.size()][3]; |
| 284 |
if ((closedFlags & 0x1)==0x1) { |
| 285 |
newPts = new double[pts.size()+1][3]; |
| 286 |
for (int j=0;j<pts.size();j++) { |
| 287 |
newPts[j][0] = ((double[])pts.get(j))[0]; |
| 288 |
newPts[j][1] = ((double[])pts.get(j))[1]; |
| 289 |
newPts[j][2] = ((double[])pts.get(j))[2]; |
| 290 |
} |
| 291 |
newPts[pts.size()][0] = ((double[])pts.get(0))[0]; |
| 292 |
newPts[pts.size()][1] = ((double[])pts.get(0))[1]; |
| 293 |
newPts[pts.size()][2] = ((double[])pts.get(0))[2]; |
| 294 |
} else {
|
| 295 |
for (int j=0;j<pts.size();j++) { |
| 296 |
newPts[j][0] = ((double[])pts.get(j))[0]; |
| 297 |
newPts[j][1] = ((double[])pts.get(j))[1]; |
| 298 |
newPts[j][2] = ((double[])pts.get(j))[2]; |
| 299 |
}//for
|
| 300 |
}//if
|
| 301 |
setPts(newPts); |
| 302 |
} else {
|
| 303 |
// System.out.println("Encontrada polil?nea sin puntos ...");
|
| 304 |
// TODO: No se debe mandar nunca una polil?nea sin puntos, si esto
|
| 305 |
// ocurre es porque existe un error que hay que corregir ...
|
| 306 |
} |
| 307 |
} |
| 308 |
/* (non-Javadoc)
|
| 309 |
* @see com.iver.cit.jdwglib.dwg.IDwg3DTestable#has3DData()
|
| 310 |
*/
|
| 311 |
public boolean has3DData() { |
| 312 |
|
| 313 |
double[][] pts = getPts(); |
| 314 |
if(pts == null) |
| 315 |
return false; |
| 316 |
double z = 0d; |
| 317 |
for (int j = 0; j<pts.length; j++) { |
| 318 |
z = pts[j][2];
|
| 319 |
if (z != 0.0) |
| 320 |
return true; |
| 321 |
} |
| 322 |
return false; |
| 323 |
|
| 324 |
} |
| 325 |
/* (non-Javadoc)
|
| 326 |
* @see com.iver.cit.jdwglib.dwg.IDwg3DTestable#getZ()
|
| 327 |
*/
|
| 328 |
public double getZ() { |
| 329 |
double[][] points3D = getPts(); |
| 330 |
if (points3D != null) { |
| 331 |
boolean constantElevation = true; |
| 332 |
for (int j = 0; j < points3D.length; j++) { |
| 333 |
if (points3D[j][2] != points3D[0][2]) { |
| 334 |
constantElevation = false;
|
| 335 |
break;
|
| 336 |
} |
| 337 |
} |
| 338 |
if (constantElevation)
|
| 339 |
return points3D[0][2]; |
| 340 |
} |
| 341 |
return 0d; |
| 342 |
} |
| 343 |
/* (non-Javadoc)
|
| 344 |
* @see com.iver.cit.jdwglib.dwg.IDwg2FMap#toFMapGeometry(boolean)
|
| 345 |
*/
|
| 346 |
public FShape toFMapGeometry(boolean is3DFile) { |
| 347 |
FPolyline2D pline = null;
|
| 348 |
double[][] points3D = getPts(); |
| 349 |
if (points3D != null) { |
| 350 |
if (is3DFile) {
|
| 351 |
double[][] pline3D = new double[points3D.length][3]; |
| 352 |
pline = FMapUtil.points3DToFPolyline3D(points3D); |
| 353 |
} else {
|
| 354 |
Point2D[] points2D = new Point2D[points3D.length]; |
| 355 |
for (int j = 0; j < points3D.length; j++) { |
| 356 |
points2D[j] = new Point2D.Double(points3D[j][0], |
| 357 |
points3D[j][1]);
|
| 358 |
} |
| 359 |
pline = FMapUtil.points2DToFPolyline2D(points2D); |
| 360 |
}//if
|
| 361 |
}//if
|
| 362 |
return pline;
|
| 363 |
} |
| 364 |
/* (non-Javadoc)
|
| 365 |
* @see com.iver.cit.jdwglib.dwg.IDwg2FMap#toFMapString(boolean)
|
| 366 |
*/
|
| 367 |
public String toFMapString(boolean is3DFile) { |
| 368 |
if(is3DFile)
|
| 369 |
return "FPolyline3D"; |
| 370 |
else
|
| 371 |
return "FPolyline2D"; |
| 372 |
} |
| 373 |
|
| 374 |
public String toString(){ |
| 375 |
return "Polyline3D"; |
| 376 |
} |
| 377 |
/* (non-Javadoc)
|
| 378 |
* @see java.lang.Object#clone()
|
| 379 |
*/
|
| 380 |
public Object clone(){ |
| 381 |
DwgPolyline3D obj = new DwgPolyline3D(index);
|
| 382 |
this.fill(obj);
|
| 383 |
return obj;
|
| 384 |
} |
| 385 |
|
| 386 |
protected void fill(DwgObject obj){ |
| 387 |
super.fill(obj);
|
| 388 |
DwgPolyline3D myObj = (DwgPolyline3D)obj; |
| 389 |
|
| 390 |
myObj.setBulges(bulges); |
| 391 |
myObj.setClosedFlags(closedFlags); |
| 392 |
myObj.setFirstVertexHandle(firstVertexHandle); |
| 393 |
myObj.setLastVertexHandle(lastVertexHandle); |
| 394 |
myObj.setPts(pts); |
| 395 |
myObj.setSeqendHandle(seqendHandle); |
| 396 |
myObj.setSplineFlags(splineFlags); |
| 397 |
} |
| 398 |
|
| 399 |
} |