src/INTERP_KERNEL/Geometric2D/InterpKernelGeo2DComposedEdge.cxx

   1 // Copyright (C) 2007-2013  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19 // Author : Anthony Geay (CEA/DEN)
  20
  21 #include "InterpKernelGeo2DComposedEdge.hxx"
  22 #include "InterpKernelGeo2DElementaryEdge.hxx"
  23 #include "InterpKernelGeo2DEdgeArcCircle.hxx"
  24 #include "InterpKernelGeo2DEdgeInfLin.hxx"
  25 #include "InterpKernelException.hxx"
  26
  27 #include <algorithm>
  28 #include <memory>
  29 #include <iterator>
  30 #include <set>
  31
  32 using namespace INTERP_KERNEL;
  33
  34 ComposedEdge::ComposedEdge(const ComposedEdge& other)
  35 {
  36   for(std::list<ElementaryEdge *>::const_iterator iter=other._sub_edges.begin();iter!=other._sub_edges.end();iter++)
  37     _sub_edges.push_back((*iter)->clone());
  38 }
  39
  40 ComposedEdge::~ComposedEdge()
  41 {
  42   clearAll(_sub_edges.begin());
  43 }
  44
  45 void ComposedEdge::setValueAt(int i, Edge *e, bool direction)
  46 {
  47   std::list<ElementaryEdge*>::iterator it=_sub_edges.begin();
  48   for(int j=0;j<i;j++)
  49     it++;
  50   delete *it;
  51   *it=new ElementaryEdge(e,direction);
  52 }
  53
  54 struct AbsEdgeCmp
  55 {
  56   AbsEdgeCmp(ElementaryEdge *b):_b1(b) { }
  57   bool operator()(ElementaryEdge *a) { return a->getPtr()==_b1->getPtr();}
  58
  59   ElementaryEdge *_b1;
  60 };
  61
  62 double ComposedEdge::getCommonLengthWith(const ComposedEdge& other) const
  63 {
  64   double ret=0.;
  65   for(std::list<ElementaryEdge *>::const_iterator iter=_sub_edges.begin();iter!=_sub_edges.end();iter++)
  66     {
  67       if(find_if(other._sub_edges.begin(),other._sub_edges.end(),AbsEdgeCmp(*iter))!=other._sub_edges.end())
  68         {
  69           const ElementaryEdge *tmp=static_cast<const ElementaryEdge *>(*iter);
  70           ret+=tmp->getCurveLength();
  71         }
  72     }
  73   return ret;
  74 }
  75
  76 void ComposedEdge::clear()
  77 {
  78   clearAll(_sub_edges.begin());
  79   _sub_edges.clear();
  80 }
  81
  82 void ComposedEdge::pushBack(Edge *edge, bool direction)
  83 {
  84   _sub_edges.push_back(new ElementaryEdge(edge,direction));
  85 }
  86
  87 void ComposedEdge::pushBack(ElementaryEdge *elem)
  88 {
  89   _sub_edges.push_back(elem);
  90 }
  91
  92 void ComposedEdge::pushBack(ComposedEdge *elem)
  93 {
  94   std::list<ElementaryEdge *> *elemsOfElem=elem->getListBehind();
  95   _sub_edges.insert(_sub_edges.end(),elemsOfElem->begin(),elemsOfElem->end());
  96 }
  97
  98 ElementaryEdge *ComposedEdge::operator[](int i) const
  99 {
 100   std::list<ElementaryEdge *>::const_iterator iter=_sub_edges.begin();
 101   for(int ii=0;ii<i;ii++)
 102     iter++;
 103   return *iter;
 104 }
 105
 106 void ComposedEdge::reverse()
 107 {
 108   _sub_edges.reverse();
 109   for(std::list<ElementaryEdge *>::iterator iter=_sub_edges.begin();iter!=_sub_edges.end();iter++)
 110     (*iter)->reverse();
 111 }
 112
 113 bool ComposedEdge::presenceOfOn() const
 114 {
 115   bool ret=false;
 116   for(std::list<ElementaryEdge *>::const_iterator iter=_sub_edges.begin();iter!=_sub_edges.end() && !ret;iter++)
 117     ret=((*iter)->getLoc()==FULL_ON_1);
 118   return ret;
 119 }
 120
 121 bool ComposedEdge::presenceOfQuadraticEdge() const
 122 {
 123   bool ret=false;
 124   for(std::list<ElementaryEdge *>::const_iterator iter=_sub_edges.begin();iter!=_sub_edges.end() && !ret;iter++)
 125     {
 126       Edge *e=(*iter)->getPtr();
 127       if(e)
 128         ret=dynamic_cast<EdgeArcCircle*>(e)!=0;
 129     }
 130   return ret;
 131 }
 132
 133 void ComposedEdge::initLocations() const
 134 {
 135   for(std::list<ElementaryEdge *>::const_iterator iter=_sub_edges.begin();iter!=_sub_edges.end();iter++)
 136     (*iter)->initLocations();
 137 }
 138
 139 /**
 140  * Reset the status of all edges (OUT, IN, ON) because they were potentially assignated
 141  * by the previous candidate processing.
 142  */
 143 void ComposedEdge::initLocationsWithOther(const ComposedEdge& other) const
 144 {
 145   std::set<Edge *> s1,s2;
 146   for(std::list<ElementaryEdge *>::const_iterator it1=_sub_edges.begin();it1!=_sub_edges.end();it1++)
 147     s1.insert((*it1)->getPtr());
 148   for(std::list<ElementaryEdge *>::const_iterator it2=other._sub_edges.begin();it2!=other._sub_edges.end();it2++)
 149     s2.insert((*it2)->getPtr());
 150   initLocations();
 151   other.initLocations();
 152   std::vector<Edge *> s3;
 153   std::set_intersection(s1.begin(),s1.end(),s2.begin(),s2.end(),std::back_insert_iterator< std::vector<Edge *> >(s3));
 154   for(std::vector<Edge *>::const_iterator it3=s3.begin();it3!=s3.end();it3++)
 155     (*it3)->declareOn();
 156 }
 157
 158 ComposedEdge *ComposedEdge::clone() const
 159 {
 160   return new ComposedEdge(*this);
 161 }
 162
 163 bool ComposedEdge::isNodeIn(Node *n) const
 164 {
 165   bool ret=false;
 166   for(std::list<ElementaryEdge *>::const_iterator iter=_sub_edges.begin();iter!=_sub_edges.end() && !ret;iter++)
 167     ret=(*iter)->isNodeIn(n);
 168   return ret;
 169 }
 170
 171 /*!
 172  * This method computes the area of 'this'.
 173  * By definition :
 174  * \f[
 175  * Area=\int_{Polygon} dS
 176  * \f]
 177  * Thanks to Green's theorem we have.
 178  * \f[
 179  * \int_{Polygon} x \cdot dS=\sum_{0 \leq i < nb of edges} -\int_{Edge_{i}}ydx=\sum_{0 \leq i < nb of edges} AreaOfZone_{Edge_{i}}
 180  * \f]
 181  * Where \f$ AreaOfZone_{i} \f$ is computed virtually by INTERP_KERNEL::Edge::getAreaOfZone with following formula :
 182  * \f[
 183  * AreaOfZone_{i}=\int_{Edge_{i}} -ydx
 184  * \f]
 185  */
 186 double ComposedEdge::getArea() const
 187 {
 188   double ret=0.;
 189   for(std::list<ElementaryEdge *>::const_iterator iter=_sub_edges.begin();iter!=_sub_edges.end();iter++)
 190     ret+=(*iter)->getAreaOfZone();
 191   return ret;
 192 }
 193
 194 double ComposedEdge::getPerimeter() const
 195 {
 196   double ret=0.;
 197   for(std::list<ElementaryEdge *>::const_iterator iter=_sub_edges.begin();iter!=_sub_edges.end();iter++)
 198     ret+=(*iter)->getCurveLength();
 199   return ret;
 200 }
 201
 202 double ComposedEdge::getHydraulicDiameter() const
 203 {
 204   return 4*fabs(getArea())/getPerimeter();
 205 }
 206
 207 /*!
 208  * This method computes barycenter of 'this' by returning xG in bary[0] and yG in bary[1].
 209  * By definition :
 210  * \f[
 211  * Area \cdot x_{G}=\int_{Polygon} x \cdot dS
 212  * \f]
 213  * \f[
 214  * Area \cdot y_{G}=\int_{Polygon} y \cdot dS
 215  * \f]
 216  * Thanks to Green's theorem we have.
 217  * \f[
 218  * \int_{Polygon} x \cdot dS=\sum_{0 \leq i < nb of edges} -\int_{Edge_{i}}yxdx
 219  * \f]
 220  * \f[
 221  * \int_{Polygon} y \cdot dS=\sum_{0 \leq i < nb of edges} -\int_{Edge_{i}}\frac{y^{2}}{2}dx
 222  * \f]
 223  * Area is computed using the same principle than described in INTERP_KERNEL::ComposedEdge::getArea method.
 224  * \f$ -\int_{Edge_{i}}yxdx \f$ and \f$ -\int_{Edge_{i}}\frac{y^{2}}{2}dx \f$ are computed virtually with INTERP_KERNEL::Edge::getBarycenterOfZone.
 225  */
 226 void ComposedEdge::getBarycenter(double *bary) const
 227 {
 228   bary[0]=0.;
 229   bary[1]=0.;
 230   double area=0.;
 231   for(std::list<ElementaryEdge *>::const_iterator iter=_sub_edges.begin();iter!=_sub_edges.end();iter++)
 232     {
 233       (*iter)->getBarycenterOfZone(bary);
 234       area+=(*iter)->getAreaOfZone();
 235     }
 236   bary[0]/=area;
 237   bary[1]/=area;
 238 }
 239
 240 /*!
 241  * Idem ComposedEdge::getBarycenter except that the special case where _sub_edges==1 is dealt here.
 242  */
 243 void ComposedEdge::getBarycenterGeneral(double *bary) const
 244 {
 245   if(_sub_edges.empty())
 246     throw INTERP_KERNEL::Exception("ComposedEdge::getBarycenterGeneral called on an empty polygon !");
 247   if(_sub_edges.size()>2)
 248     return getBarycenter(bary);
 249   double w;
 250   _sub_edges.back()->getBarycenter(bary,w);
 251 }
 252
 253 double ComposedEdge::normalizeMe(double& xBary, double& yBary)
 254 {
 255   Bounds b;
 256   b.prepareForAggregation();
 257   fillBounds(b);
 258   double dimChar=b.getCaracteristicDim();
 259   b.getBarycenter(xBary,yBary);
 260   applyGlobalSimilarity(xBary,yBary,dimChar);
 261   return dimChar;
 262 }
 263
 264 double ComposedEdge::normalize(ComposedEdge *other, double& xBary, double& yBary)
 265 {
 266   Bounds b;
 267   b.prepareForAggregation();
 268   fillBounds(b);
 269   other->fillBounds(b);
 270   double dimChar=b.getCaracteristicDim();
 271   b.getBarycenter(xBary,yBary);
 272   applyGlobalSimilarity(xBary,yBary,dimChar);
 273   other->applyGlobalSimilarity(xBary,yBary,dimChar);
 274   return dimChar;
 275 }
 276
 277 /*!
 278  * This method operates the opposite operation than ComposedEdge::applyGlobalSimilarity.
 279  */
 280 void ComposedEdge::unApplyGlobalSimilarityExt(ComposedEdge& other, double xBary, double yBary, double fact)
 281 {
 282   std::set<Node *> allNodes;
 283   getAllNodes(allNodes);
 284   other.getAllNodes(allNodes);
 285   for(std::set<Node *>::iterator iter=allNodes.begin();iter!=allNodes.end();iter++)
 286     (*iter)->unApplySimilarity(xBary,yBary,fact);
 287   for(std::list<ElementaryEdge *>::iterator iter=_sub_edges.begin();iter!=_sub_edges.end();iter++)
 288     (*iter)->unApplySimilarity(xBary,yBary,fact);
 289   for(std::list<ElementaryEdge *>::iterator iter=other._sub_edges.begin();iter!=other._sub_edges.end();iter++)
 290     (*iter)->unApplySimilarity(xBary,yBary,fact);
 291 }
 292
 293 double ComposedEdge::normalizeExt(ComposedEdge *other, double& xBary, double& yBary)
 294 {
 295   Bounds b;
 296   b.prepareForAggregation();
 297   fillBounds(b);
 298   other->fillBounds(b);
 299   double dimChar=b.getCaracteristicDim();
 300   b.getBarycenter(xBary,yBary);
 301   applyGlobalSimilarity2(other,xBary,yBary,dimChar);
 302   return dimChar;
 303 }
 304
 305 void ComposedEdge::dumpInXfigFile(std::ostream& stream, int resolution, const Bounds& box) const
 306 {
 307   stream.precision(10);
 308   for(std::list<ElementaryEdge *>::const_iterator iter=_sub_edges.begin();iter!=_sub_edges.end();iter++)
 309     (*iter)->dumpInXfigFile(stream,resolution,box);
 310 }
 311
 312 Node *ComposedEdge::getEndNode() const
 313 {
 314   return _sub_edges.back()->getEndNode();
 315 }
 316
 317 Node *ComposedEdge::getStartNode() const
 318 {
 319   return _sub_edges.front()->getStartNode();
 320 }
 321
 322 bool ComposedEdge::changeEndNodeWith(Node *node) const
 323 {
 324   return _sub_edges.back()->changeEndNodeWith(node);
 325 }
 326
 327 bool ComposedEdge::changeStartNodeWith(Node *node) const
 328 {
 329   return _sub_edges.front()->changeStartNodeWith(node);
 330 }
 331
 332 void ComposedEdge::fillBounds(Bounds& output) const
 333 {
 334   for(std::list<ElementaryEdge *>::const_iterator iter=_sub_edges.begin();iter!=_sub_edges.end();iter++)
 335     (*iter)->fillBounds(output);
 336 }
 337
 338 /*!
 339  * \b WARNING : applies similarity \b ONLY on edges without any change on Nodes. To perform a global similarity call applyGlobalSimilarity.
 340  */
 341 void ComposedEdge::applySimilarity(double xBary, double yBary, double dimChar)
 342 {
 343   for(std::list<ElementaryEdge *>::iterator iter=_sub_edges.begin();iter!=_sub_edges.end();iter++)
 344     (*iter)->applySimilarity(xBary,yBary,dimChar);
 345 }
 346
 347 /*!
 348  * Perform Similarity transformation on all elements of this Nodes and Edges.
 349  */
 350 void ComposedEdge::applyGlobalSimilarity(double xBary, double yBary, double dimChar)
 351 {
 352   std::set<Node *> allNodes;
 353   getAllNodes(allNodes);
 354   for(std::set<Node *>::iterator iter=allNodes.begin();iter!=allNodes.end();iter++)
 355     (*iter)->applySimilarity(xBary,yBary,dimChar);
 356   for(std::list<ElementaryEdge *>::iterator iter=_sub_edges.begin();iter!=_sub_edges.end();iter++)
 357     (*iter)->applySimilarity(xBary,yBary,dimChar);
 358 }
 359
 360 /*!
 361  * Perform Similarity transformation on all elements of this Nodes and Edges on 'this' and 'other'.
 362  * Nodes can be shared between 'this' and 'other'.
 363  */
 364 void ComposedEdge::applyGlobalSimilarity2(ComposedEdge *other, double xBary, double yBary, double dimChar)
 365 {
 366   std::set<Node *> allNodes;
 367   getAllNodes(allNodes);
 368   std::set<Node *> allNodes2;
 369   other->getAllNodes(allNodes2);
 370   for(std::set<Node *>::const_iterator it=allNodes2.begin();it!=allNodes2.end();it++)
 371     if(allNodes.find(*it)!=allNodes.end())
 372       (*it)->declareOn();
 373   allNodes.insert(allNodes2.begin(),allNodes2.end());
 374   for(std::set<Node *>::iterator iter=allNodes.begin();iter!=allNodes.end();iter++)
 375     (*iter)->applySimilarity(xBary,yBary,dimChar);
 376   for(std::list<ElementaryEdge *>::iterator iter=_sub_edges.begin();iter!=_sub_edges.end();iter++)
 377     (*iter)->applySimilarity(xBary,yBary,dimChar);
 378   for(std::list<ElementaryEdge *>::iterator iter=other->_sub_edges.begin();iter!=other->_sub_edges.end();iter++)
 379     (*iter)->applySimilarity(xBary,yBary,dimChar);
 380 }
 381
 382 /*!
 383  * This method append to param 'partConsidered' the part of length of subedges IN or ON.
 384  * @param partConsidered INOUT param.
 385  */
 386 void ComposedEdge::dispatchPerimeter(double& partConsidered) const
 387 {
 388   for(std::list<ElementaryEdge *>::const_iterator iter=_sub_edges.begin();iter!=_sub_edges.end();iter++)
 389     {
 390       TypeOfEdgeLocInPolygon loc=(*iter)->getLoc();
 391       if(loc==FULL_IN_1 || loc==FULL_ON_1)
 392         partConsidered+=(*iter)->getCurveLength();
 393     }
 394 }
 395
 396 /*!
 397  * Idem dispatchPerimeterExcl except that when a subedge is declared as ON this subedge is counted in commonPart.
 398  */
 399 void ComposedEdge::dispatchPerimeterExcl(double& partConsidered, double& commonPart) const
 400 {
 401   for(std::list<ElementaryEdge *>::const_iterator iter=_sub_edges.begin();iter!=_sub_edges.end();iter++)
 402     {
 403       TypeOfEdgeLocInPolygon loc=(*iter)->getLoc();
 404       if(loc==FULL_IN_1)
 405         partConsidered+=(*iter)->getCurveLength();
 406       if(loc==FULL_ON_1)
 407         commonPart+=(*iter)->getCurveLength();
 408     }
 409 }
 410
 411 void ComposedEdge::getAllNodes(std::set<Node *>& output) const
 412 {
 413   std::list<ElementaryEdge *>::const_iterator iter=_sub_edges.begin();
 414   for(;iter!=_sub_edges.end();iter++)
 415     (*iter)->getAllNodes(output);
 416 }
 417
 418 void ComposedEdge::getBarycenter(double *bary, double& weigh) const
 419 {
 420   weigh=0.; bary[0]=0.; bary[1]=0.;
 421   double tmp1,tmp2[2];
 422   for(std::list<ElementaryEdge *>::const_iterator iter=_sub_edges.begin();iter!=_sub_edges.end();iter++)
 423     {
 424       (*iter)->getBarycenter(tmp2,tmp1);
 425       weigh+=tmp1;
 426       bary[0]+=tmp1*tmp2[0];
 427       bary[1]+=tmp1*tmp2[1];
 428     }
 429   bary[0]/=weigh;
 430   bary[1]/=weigh;
 431 }
 432
 433 /*!
 434  * \sa ComposedEdge::isInOrOut2
 435  */
 436 bool ComposedEdge::isInOrOut(Node *nodeToTest) const
 437 {
 438   std::set< IntersectElement > inOutSwitch;
 439   double ref(isInOrOutAlg(nodeToTest,inOutSwitch));
 440   bool ret=false;
 441   for(std::set< IntersectElement >::iterator iter4=inOutSwitch.begin();iter4!=inOutSwitch.end();iter4++)
 442     {
 443       if((*iter4).getVal1()<ref)
 444         {
 445           if((*iter4).getNodeOnly()->getLoc()==ON_1)
 446             ret=!ret;
 447         }
 448       else
 449         break;
 450     }
 451   return ret;
 452 }
 453
 454 /*!
 455  * This method is close to ComposedEdge::isInOrOut behaviour except that here EPSILON is taken into account to detect if it is IN or OUT.
 456  * If \a nodeToTest is close to an edge in \a this, true will be returned even if it is outside informatically from \a this.
 457  * This method makes the hypothesis that
 458  *
 459  * \sa ComposedEdge::isInOrOut
 460  */
 461 bool ComposedEdge::isInOrOut2(Node *nodeToTest) const
 462 {
 463   std::set< IntersectElement > inOutSwitch;
 464   double ref(isInOrOutAlg(nodeToTest,inOutSwitch));
 465   bool ret=false;
 466   for(std::set< IntersectElement >::iterator iter4=inOutSwitch.begin();iter4!=inOutSwitch.end();iter4++)
 467     {
 468       double val((*iter4).getVal1());
 469       if(fabs(val-ref)>=QUADRATIC_PLANAR::_precision)
 470         {
 471           if(val<ref)
 472             {
 473               if((*iter4).getNodeOnly()->getLoc()==ON_1)
 474                 ret=!ret;
 475             }
 476           else
 477             break;
 478         }
 479       else
 480         return true;
 481     }
 482   return ret;
 483 }
 484
 485 double ComposedEdge::isInOrOutAlg(Node *nodeToTest, std::set< IntersectElement >& inOutSwitch) const
 486 {
 487   Bounds b; b.prepareForAggregation();
 488   fillBounds(b);
 489   if(b.nearlyWhere((*nodeToTest)[0],(*nodeToTest)[1])==OUT)
 490     return false;
 491   // searching for e1
 492   std::set<Node *> nodes;
 493   getAllNodes(nodes);
 494   std::set<double> radialDistributionOfNodes;
 495   std::set<Node *>::const_iterator iter;
 496   for(iter=nodes.begin();iter!=nodes.end();iter++)
 497     radialDistributionOfNodes.insert(nodeToTest->getSlope(*(*iter)));
 498   std::vector<double> radialDistrib(radialDistributionOfNodes.begin(),radialDistributionOfNodes.end());
 499   radialDistributionOfNodes.clear();
 500   std::vector<double> radialDistrib2(radialDistrib.size());
 501   copy(radialDistrib.begin()+1,radialDistrib.end(),radialDistrib2.begin());
 502   radialDistrib2.back()=M_PI+radialDistrib.front();
 503   std::vector<double> radialDistrib3(radialDistrib.size());
 504   std::transform(radialDistrib2.begin(),radialDistrib2.end(),radialDistrib.begin(),radialDistrib3.begin(),std::minus<double>());
 505   std::vector<double>::iterator iter3=max_element(radialDistrib3.begin(),radialDistrib3.end());
 506   int i=iter3-radialDistrib3.begin();
 507   // ok for e1 - Let's go.
 508   EdgeInfLin *e1=new EdgeInfLin(nodeToTest,radialDistrib[i]+radialDistrib3[i]/2.);
 509   double ref=e1->getCharactValue(*nodeToTest);
 510   for(std::list<ElementaryEdge *>::const_iterator iter4=_sub_edges.begin();iter4!=_sub_edges.end();iter4++)
 511     {
 512       ElementaryEdge *val=(*iter4);
 513       if(val)
 514         {
 515           Edge *e=val->getPtr();
 516           std::auto_ptr<EdgeIntersector> intersc(Edge::BuildIntersectorWith(e1,e));
 517           bool obviousNoIntersection,areOverlapped;
 518           intersc->areOverlappedOrOnlyColinears(0,obviousNoIntersection,areOverlapped);
 519           if(obviousNoIntersection)
 520             {
 521               continue;
 522             }
 523           if(!areOverlapped)
 524             {
 525               std::list< IntersectElement > listOfIntesc=intersc->getIntersectionsCharacteristicVal();
 526               for(std::list< IntersectElement >::iterator iter2=listOfIntesc.begin();iter2!=listOfIntesc.end();iter2++)
 527                 if((*iter2).isIncludedByBoth())
 528                   inOutSwitch.insert(*iter2);
 529               }
 530           //if overlapped we can forget
 531         }
 532       else
 533         throw Exception("Invalid use of ComposedEdge::isInOrOutAlg : only one level supported !");
 534     }
 535   e1->decrRef();
 536   return ref;
 537 }
 538
 539 /*bool ComposedEdge::isInOrOut(Node *aNodeOn, Node *nodeToTest) const
 540 {
 541
 542   EdgeInfLin *e1=new EdgeInfLin(aNodeOn,nodeToTest);
 543   double ref=e1->getCharactValue(*nodeToTest);
 544   set< IntersectElement > inOutSwitch;
 545   for(vector<AbstractEdge *>::const_iterator iter=_sub_edges.begin();iter!=_sub_edges.end();iter++)
 546     {
 547       ElementaryEdge *val=dynamic_cast<ElementaryEdge *>(*iter);
 548       if(val)
 549         {
 550           Edge *e=val->getPtr();
 551           auto_ptr<Intersector> intersc(Edge::buildIntersectorWith(e1,e));
 552           bool obviousNoIntersection,areOverlapped;
 553           intersc->areOverlappedOrOnlyColinears(0,obviousNoIntersection,areOverlapped);
 554           if(obviousNoIntersection)
 555             {
 556               continue;
 557             }
 558           if(!areOverlapped)
 559             {
 560               list< IntersectElement > listOfIntesc=intersc->getIntersectionsCharacteristicVal();
 561               for(list< IntersectElement >::iterator iter2=listOfIntesc.begin();iter2!=listOfIntesc.end();iter2++)
 562                 if((*iter2).isIncludedByBoth())
 563                   inOutSwitch.insert(*iter2);
 564               }
 565           //if overlapped we can forget
 566         }
 567       else
 568         throw Exception("Invalid use of ComposedEdge::isInOrOut : only one level supported !");
 569     }
 570   e1->decrRef();
 571   bool ret=false;
 572   for(set< IntersectElement >::iterator iter=inOutSwitch.begin();iter!=inOutSwitch.end();iter++)
 573     {
 574       if((*iter).getVal1()<ref)
 575         {
 576           if((*iter).getNodeOnly()->getLoc()==ON_1)
 577             ret=!ret;
 578         }
 579       else
 580         break;
 581     }
 582   return ret;
 583 }*/
 584
 585 bool ComposedEdge::getDirection() const
 586 {
 587   throw Exception("ComposedEdge::getDirection : no sense");
 588 }
 589
 590 bool ComposedEdge::intresincEqCoarse(const Edge *other) const
 591 {
 592   if(_sub_edges.size()!=1)
 593     return false;
 594   return _sub_edges.front()->intresincEqCoarse(other);
 595 }
 596
 597 void ComposedEdge::clearAll(std::list<ElementaryEdge *>::iterator startToDel)
 598 {
 599   for(std::list<ElementaryEdge *>::iterator iter=startToDel;iter!=_sub_edges.end();iter++)
 600     delete (*iter);
 601 }