src/HYDROData/HYDROData_SplitToZonesTool.cxx

   1 // Copyright (C) 2014-2015  EDF-R&D
   2 // This library is free software; you can redistribute it and/or
   3 // modify it under the terms of the GNU Lesser General Public
   4 // License as published by the Free Software Foundation; either
   5 // version 2.1 of the License, or (at your option) any later version.
   6 //
   7 // This library is distributed in the hope that it will be useful,
   8 // but WITHOUT ANY WARRANTY; without even the implied warranty of
   9 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  10 // Lesser General Public License for more details.
  11 //
  12 // You should have received a copy of the GNU Lesser General Public
  13 // License along with this library; if not, write to the Free Software
  14 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  15 //
  16 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  17 //
  18
  19 #include "HYDROData_SplitToZonesTool.h"
  20
  21 #include "HYDROData_PolylineXY.h"
  22 #include "HYDROData_ShapesGroup.h"
  23 #include <HYDROData_Transform.h>
  24 #include <BRepAlgoAPI_Cut.hxx>
  25 #include <BRepAlgoAPI_Common.hxx>
  26 #include <BRepBuilderAPI_MakeFace.hxx>
  27 #include <BRep_Builder.hxx>
  28 #include <TopExp_Explorer.hxx>
  29 #include <TopoDS.hxx>
  30 #include <TopoDS_Shape.hxx>
  31 #include <TopoDS_Compound.hxx>
  32 #include <TopoDS_Wire.hxx>
  33 #include <TopoDS_Edge.hxx>
  34 #include <BRepCheck_Analyzer.hxx>
  35 #include <TopTools_ListOfShape.hxx>
  36 #include <TopTools_ListIteratorOfListOfShape.hxx>
  37 #include <gp_Pln.hxx>
  38 #include <BRepGProp.hxx>
  39 #include <GProp_GProps.hxx>
  40 #include <Geom_Plane.hxx>
  41 #include <BRepBuilderAPI_FindPlane.hxx>
  42
  43 //#define DEB_SPLIT_TO_ZONES 1
  44 //#define DEB_SPLIT_TO_ZONES_CHECK_PARTITION 1
  45 #if (defined (DEB_SPLIT_TO_ZONES) || defined(DEB_SPLIT_TO_ZONES_CHECK_PARTITION))
  46 #include <BRepTools.hxx>
  47 static TCollection_AsciiString fileNameBefore("BeforeTranslation");
  48 #endif
  49
  50 TopoDS_Face HYDROData_SplitToZonesTool::SplitData::Face() const
  51 {
  52   TopoDS_Face aResFace;
  53
  54   if( !Shape.IsNull() )
  55   {
  56     if ( Shape.ShapeType() == TopAbs_FACE )
  57     {
  58       aResFace = TopoDS::Face( Shape );
  59     }
  60     else if ( Shape.ShapeType() == TopAbs_WIRE )
  61     {
  62       BRepBuilderAPI_MakeFace aMakeFace( TopoDS::Wire( Shape ), Standard_True );
  63       aMakeFace.Build();
  64       if( aMakeFace.IsDone() )
  65         aResFace = aMakeFace.Face();
  66     }
  67   }
  68
  69   return aResFace;
  70 }
  71
  72 Standard_Boolean buildLimFace(const TopoDS_Wire& theBndWire, TopoDS_Face& outFace)
  73 {
  74   GProp_GProps G;
  75   BRepGProp::LinearProperties(theBndWire,G);
  76   const gp_Pnt& aCPnt = G.CentreOfMass();
  77   gp_Pln aPln;
  78   BRepBuilderAPI_FindPlane fndPlane (theBndWire, Precision::Confusion());
  79   if(fndPlane.Found())
  80     aPln = fndPlane.Plane()->Pln();
  81   else
  82     aPln = gp_Pln(aCPnt, gp::OZ().Direction());
  83   BRepBuilderAPI_MakeFace  aMkFace(aPln, theBndWire);
  84   if(aMkFace.IsDone()) {
  85     outFace = aMkFace.Face();
  86     if(!outFace.IsNull()) {
  87 #ifdef DEB_SPLIT_TO_ZONES
  88 //      BRepTools::Write(limFace,"FL.brep");
  89 #endif
  90       return Standard_True;
  91     }
  92   }
  93   return Standard_False;
  94 }
  95 //======================================================================================
  96
  97 void HYDROData_SplitToZonesTool::SetFileNames(const QString& theNameBefore, const QString& theNameAfter)
  98 {
  99 #ifdef DEB_SPLIT_TO_ZONES_CHECK_PARTITION
 100   if(!theNameBefore.isNull() && !theNameBefore.isEmpty())
 101   {
 102     TCollection_AsciiString aName (theNameBefore.toStdString().data());
 103     fileNameBefore = aName;
 104   }
 105   if(!theNameAfter.isNull() && !theNameAfter.isEmpty())
 106   {
 107     TCollection_AsciiString aName (theNameAfter.toStdString().data());
 108     HYDROData_Transform::SetFileName (aName);
 109   }
 110 #endif
 111 }
 112 //======================================================================================
 113 Standard_Integer HYDROData_SplitToZonesTool::SplitFaces(const TopoDS_Compound& theComp,
 114                                                         HYDROData_Transform& theTool)
 115 {
 116   theTool.Clear();
 117   theTool.SetArgument(theComp);
 118   theTool.Detect();
 119   const Standard_Boolean bToTransform = theTool.ToTransform();
 120   theTool.SetToTransform(bToTransform);
 121   theTool.Perform();
 122   Standard_Integer anErr = theTool.ErrorStatus();
 123   return anErr;
 124 }
 125
 126 //======================================================================================
 127 HYDROData_SplitToZonesTool::SplitDataList
 128   HYDROData_SplitToZonesTool::Split( const HYDROData_SequenceOfObjects&  theObjectList,
 129                                      const HYDROData_SequenceOfObjects&  theGroupsList,
 130                                      const Handle(HYDROData_PolylineXY)& thePolyline )
 131 {
 132   SplitDataList anOutputSplitDataList;
 133   if(theObjectList.IsEmpty()) return anOutputSplitDataList;
 134   // Preparation.
 135   // Collect the object shapes to split. InputDataList will contain elements which will hold shape & name_of_shape.
 136   SplitDataList anInputSplitDataList;
 137 #ifdef DEB_SPLIT_TO_ZONES
 138   TCollection_AsciiString aNam("Faces_");
 139 #endif
 140   for( int anIndex = 1, aLength = theObjectList.Length(); anIndex <= aLength; anIndex++ )
 141   {
 142     Handle(HYDROData_Entity) anObj = theObjectList.Value( anIndex );
 143     TopoDS_Shape aShape;
 144
 145     Handle(HYDROData_Object) aGeomObj = Handle(HYDROData_Object)::DownCast( anObj );
 146     if( !aGeomObj.IsNull() ) {
 147       aShape = aGeomObj->GetTopShape();
 148     }
 149
 150     if ( aShape.IsNull() )
 151       continue;
 152 #ifdef DEB_SPLIT_TO_ZONES
 153    TCollection_AsciiString aName = aNam + anIndex + ".brep";
 154    BRepTools::Write(aShape, aName.ToCString());
 155 #endif
 156     if ( aShape.ShapeType() == TopAbs_COMPOUND ) {
 157       // Create split data for each face contained in the compound
 158       TopExp_Explorer anExp( aShape, TopAbs_FACE );
 159       for ( ; anExp.More(); anExp.Next() ) {
 160         const TopoDS_Face& aFace = TopoDS::Face( anExp.Current() );
 161         if ( !aFace.IsNull() ) {
 162           SplitData aSplitData( SplitData::Data_Zone, aFace, anObj->GetName() );
 163           anInputSplitDataList.append( aSplitData );
 164         }
 165       }
 166     } else {
 167       SplitData aSplitData( SplitData::Data_Zone, aShape, anObj->GetName() );
 168       anInputSplitDataList.append( aSplitData );
 169     }
 170   }
 171   //
 172   SplitDataList anInputGroupList;
 173   for( int anIndex = 1, aLength = theGroupsList.Length(); anIndex <=aLength; anIndex++ )
 174   {
 175     Handle(HYDROData_ShapesGroup) aGeomGroup =
 176       Handle(HYDROData_ShapesGroup)::DownCast( theGroupsList.Value( anIndex ) );
 177     if( aGeomGroup.IsNull() )
 178       continue;
 179
 180     TopTools_SequenceOfShape aGroupShapes;
 181     aGeomGroup->GetShapes( aGroupShapes );
 182     for( int i = 1, aNbShapes = aGroupShapes.Length(); i <= aNbShapes; i++ ) {
 183       const TopoDS_Shape& aGroupShape = aGroupShapes.Value( i );
 184       if ( aGroupShape.IsNull() )
 185         continue;
 186
 187       if ( aGroupShape.ShapeType() == TopAbs_COMPOUND ) {
 188         TopExp_Explorer anExp( aGroupShape, TopAbs_EDGE );
 189         for ( ; anExp.More(); anExp.Next() ) {
 190           const TopoDS_Edge& anEdge = TopoDS::Edge( anExp.Current() );
 191           if ( !anEdge.IsNull() ) {
 192             SplitData aSplitData( SplitData::Data_Edge, anEdge, aGeomGroup->GetName() );
 193             anInputGroupList.append( aSplitData );
 194           }
 195         }
 196       } else {
 197         SplitData aSplitData( SplitData::Data_Edge, aGroupShape, aGeomGroup->GetName() );
 198         anInputGroupList.append( aSplitData );
 199 #ifdef DEB_SPLIT_TO_ZONES
 200         QString aStr = aSplitData.ObjectNames.join(" ");
 201         cout << "Group# = " <<anIndex <<" Nmb in grp = " << i<< " Names = "<<aStr.toStdString() << " size = " <<aSplitData.ObjectNames.size() <<endl;
 202 #endif
 203       }
 204     }
 205   }
 206   // If only one shape is given we don't split it
 207   // algorithm just returns the unpacked input data
 208   bool limplus1Object(false);
 209   if(theObjectList.Size() == 1 )  {
 210     if(thePolyline.IsNull()) {
 211       anOutputSplitDataList.append(anInputSplitDataList);
 212       if(!theGroupsList.IsEmpty() )
 213         anOutputSplitDataList.append(anInputGroupList);
 214       return anOutputSplitDataList;
 215     } else
 216         limplus1Object = true;// size =1 && hasLimits
 217   }
 218   HYDROData_DataMapOfShapeListOfString aDM3;
 219   if(!anInputGroupList.isEmpty()) {// Old edge ==> List_Of_Names
 220     QStringList aListOfNames;
 221     for (int i=0;i < anInputGroupList.size() ;i++) {
 222       const TopoDS_Shape& aSh = anInputGroupList.at(i).Shape;
 223       aDM3.Add(aSh, anInputGroupList.at(i).ObjectNames);
 224     }
 225   }
 226
 227   // Step 1. Prepare Partition structures.
 228   TopoDS_Shape aResult;
 229   BOPCol_ListOfShape aLS;
 230   QStringList aListOfNames;
 231   TopoDS_Compound aCmp;
 232   BRep_Builder aBB;
 233   aBB.MakeCompound(aCmp);
 234   for (int i=0;i < anInputSplitDataList.size() ;i++) {
 235     const TopoDS_Shape& aSh = anInputSplitDataList.at(i).Shape;
 236     aDM3.Add(aSh, anInputSplitDataList.at(i).ObjectNames);
 237     aLS.Append(aSh);
 238     aBB.Add(aCmp,aSh);
 239 #ifdef DEB_SPLIT_TO_ZONES
 240     //TCollection_AsciiString aName = aNam + i + ".brep";
 241     //BRepTools::Write(aSh, aName.ToCString());
 242 #endif
 243   }
 244 #ifdef DEB_SPLIT_TO_ZONES_CHECK_PARTITION
 245   TCollection_AsciiString aNameBefore = fileNameBefore + ".brep";
 246   BRepTools::Write(aCmp, aNameBefore.ToCString());
 247 #endif
 248
 249   HYDROData_DataMapOfShapeListOfShape aDM1;
 250   if(anInputSplitDataList.size() > 1) {
 251     HYDROData_Transform splitTool;
 252     const Standard_Integer anErr = SplitFaces(aCmp, splitTool);
 253     if(anErr)
 254       return anOutputSplitDataList;
 255     aResult = splitTool.Shape();
 256     if (aResult.IsNull())
 257       return anOutputSplitDataList;
 258     BRepCheck_Analyzer aCheck (aResult);
 259     if(!aCheck.IsValid()) {
 260   #ifdef DEB_SPLIT_TO_ZONES
 261       cout << "result is not valid" <<endl;
 262       BRepTools::Write(aResult, "SplitFacesNV.brep");
 263   #endif
 264       return anOutputSplitDataList;
 265     }
 266   #ifdef DEB_SPLIT_TO_ZONES
 267     BRepTools::Write(aResult, "SplitFacesV.brep");
 268   #endif
 269
 270     // Step 3. Collect history
 271     //HYDROData_DataMapOfShapeListOfShape aDM1;
 272     BOPCol_ListIteratorOfListOfShape anIt(aLS);
 273   #ifdef DEB_SPLIT_TO_ZONES
 274     TCollection_AsciiString aNamM ("EdgM_");
 275     TCollection_AsciiString aNamG ("EdgG_");
 276   #endif
 277     for (int i =1;anIt.More();anIt.Next(),i++) {
 278       Standard_Boolean foundF(Standard_False);
 279       const TopTools_ListOfShape& aListOfNew = splitTool.Modified(anIt.Value());
 280       if(!aListOfNew.IsEmpty())
 281         foundF = Standard_True;
 282
 283       TopTools_ListOfShape aList;
 284
 285       TopTools_ListIteratorOfListOfShape it(aListOfNew);
 286       for(;it.More();it.Next())
 287         aList.Append(it.Value());
 288           /* *********************************************************************
 289       // Bug in History: partition should give only modified entities! => temporary solution is used
 290       //const TopTools_ListOfShape& aListOfGen = splitTool.Generated(anIt.Value());
 291       //if(!aListOfGen.IsEmpty())
 292         //foundF = Standard_True;
 293       //it.Initialize(aListOfGen);
 294       //for(;it.More();it.Next())
 295        // aList.Append(it.Value());
 296            ********************************************************************* */
 297       if(!foundF) // face is not modified
 298         aList.Append (anIt.Value());
 299       aDM1.Add(anIt.Value(), aList);
 300   #ifdef DEB_SPLIT_TO_ZONES
 301       TCollection_AsciiString aName;
 302   #endif
 303       if(!anInputGroupList.isEmpty() ) { // 1
 304         TopExp_Explorer exp (anIt.Value(), TopAbs_EDGE);
 305         for (int j =1;exp.More();exp.Next(),j++) {
 306           aList.Clear();
 307           Standard_Boolean foundE(Standard_False);
 308           const TopTools_ListOfShape& aListM = splitTool.Modified(exp.Current());
 309           //cout << "NB_EDGE_M = " << aListM.Extent() <<endl;
 310           if(aListM.Extent()) foundE = Standard_True;
 311           it.Initialize(aListM);
 312           for(int k=1;it.More();it.Next(),k++) {
 313             aList.Append(it.Value());
 314   #ifdef DEB_SPLIT_TO_ZONES
 315             //aName = aNamM + i + j +k +".brep";
 316             //BRepTools::Write(it.Value(),aName.ToCString());
 317   #endif
 318           }
 319           /* *********************************************************************
 320                   //const TopTools_ListOfShape& aListG = splitTool.Generated(exp.Current());
 321           //if(aListG.Extent()) foundE = Standard_True;
 322           //it.Initialize(aListG);
 323           //for(int k=1;it.More();it.Next(),k++)
 324             //aList.Append(it.Value());
 325           //cout << "NB_EDGE = " << aList.Extent() <<endl;
 326                   ************************************************************************** */
 327           if(!foundE) {
 328             aList.Append (exp.Current());
 329   #ifdef DEB_SPLIT_TO_ZONES
 330             aName = aNamG + i + j +".brep";
 331             BRepTools::Write(exp.Current(),aName.ToCString());
 332             cout << aName.ToCString()<< " = " << exp.Current().TShape() <<endl;
 333   #endif
 334           }
 335           aDM1.Add(exp.Current(), aList);
 336         }
 337       }
 338     }
 339   } else {
 340       aResult = anInputSplitDataList.at(0).Shape; // get single input shape
 341   }
 342
 343   // aDM2: NewShape ==> ListOfOldShapes
 344   HYDROData_DataMapOfShapeListOfShape aDM2;
 345   // make limiting face
 346   HYDROData_DataMapOfShapeListOfShape aDM4;
 347   Standard_Boolean hasLimits(Standard_False);
 348   QString aBndName;
 349   HYDROData_MapOfShape aBndView;
 350   if (! thePolyline.IsNull()) {
 351     Handle(TopTools_HSequenceOfShape) aConnectedWires = new TopTools_HSequenceOfShape;
 352     int nbWires = thePolyline->GetNbConnectedWires(aConnectedWires);
 353     const TopoDS_Wire aBndWire = TopoDS::Wire(aConnectedWires->Value(1));
 354     if(!aBndWire.IsNull()) {
 355       TopoDS_Face limFace;
 356       if(buildLimFace(aBndWire, limFace)) {
 357         TopoDS_Shape aComResult;
 358         BRepAlgoAPI_Common mkCom(aResult, limFace);
 359         if(mkCom.IsDone()) {
 360           aComResult = mkCom.Shape();
 361           BRepCheck_Analyzer aCheck (aComResult);
 362           if(aCheck.IsValid()) {
 363 #ifdef DEB_SPLIT_TO_ZONES
 364             BRepTools::Write(aComResult,"CommonV.brep");
 365             BRepTools::Write(limFace,"limFace.brep");
 366 #endif
 367             aBndName = thePolyline->GetName();
 368             hasLimits = Standard_True; // DM2 should be filled here
 369             TopExp_Explorer exp (limFace, TopAbs_EDGE);
 370             for (int i =1;exp.More();exp.Next(),i++) {
 371               const TopoDS_Shape& anEdge = exp.Current();
 372               if(anEdge.IsNull()) continue;
 373               aBndView.Add(anEdge);
 374               QStringList aListOfNames;
 375               aListOfNames.append(aBndName);
 376               aDM3.Add(anEdge, aListOfNames);
 377               TopTools_ListOfShape aList;
 378               aList.Append(anEdge);
 379               aDM1.Add(anEdge,aList);
 380             }
 381             HYDROData_MapOfShape aView;
 382             exp.Init (aResult, TopAbs_FACE);
 383             for (int i =1;exp.More();exp.Next(),i++) {
 384               const TopoDS_Shape& aFace = exp.Current();
 385               if(!aFace.IsNull()) {
 386                 const TopTools_ListOfShape& aListOfNew = mkCom.Modified(aFace);
 387                 //cout << "Modified: " << aListOfNew.Extent() <<endl;
 388                 if(!aListOfNew.IsEmpty()) {
 389                   aDM4.Add(aFace, aListOfNew);
 390 #ifdef DEB_SPLIT_TO_ZONES
 391                   //TCollection_AsciiString aName = aNam + i + ".brep";
 392                   //BRepTools::Write(aListOfNew.Last(), aName.ToCString());
 393 #endif
 394                 }
 395                 else {
 396                     if(!mkCom.IsDeleted(aFace)) {
 397                       const TopTools_ListOfShape& aListOfGen = mkCom.Generated(aFace);
 398                       if(!aListOfGen.IsEmpty()) {
 399                         /* aDM4.Bind(aFace, aListOfGen); ???   */
 400 #ifdef DEB_SPLIT_TO_ZONES
 401                         //TCollection_AsciiString aName = aNam + i + "g.brep";
 402                         //BRepTools::Write(aListOfGen.Last(), aName.ToCString());
 403 #endif
 404                       }
 405                        else {
 406                         TopTools_ListOfShape aList;
 407                         aList.Append(aFace);
 408                         aDM4.Add(aFace, aList); //the same face - not modified
 409                        }
 410                     }
 411              }
 412              TopExp_Explorer exp2 (aFace, TopAbs_EDGE);
 413              for (int j =1;exp2.More();exp2.Next(),j++) {
 414                const TopoDS_Shape& anEdge = exp2.Current();
 415                if(!anEdge.IsNull()) {
 416                  if(aView.Contains(anEdge)) continue;
 417                  aView.Add(anEdge);
 418                  const TopTools_ListOfShape& aListOfNewEd = mkCom.Modified(anEdge);
 419                  if(!aListOfNewEd.IsEmpty())
 420                    aDM4.Add(anEdge, aListOfNewEd);
 421                  else {
 422                    if(!mkCom.IsDeleted(anEdge)) {
 423                      const TopTools_ListOfShape& aListOfGenEd = mkCom.Generated(anEdge);
 424                      if(!aListOfGenEd.IsEmpty()) {
 425                        /* aDM4.Bind(anEdge, aListOfGenEd); ???*/
 426                      } else {
 427                        TopTools_ListOfShape aList;
 428                        aList.Append(anEdge);
 429                        aDM4.Add(anEdge, aList);//the same edge - not modified
 430                      }
 431                    }
 432                  }
 433                }
 434              }
 435             }
 436             } //end DM4 filling (phase 1)
 437             //cout << "DM4 Ext = " <<aDM4.Extent() <<endl;
 438          // phase 2 (from tool)
 439 #ifdef DEB_SPLIT_TO_ZONES
 440          TCollection_AsciiString aNam("BndEd_");
 441 #endif
 442          TopExp_Explorer expt (limFace, TopAbs_EDGE);
 443          for(int i =1;expt.More();expt.Next(),i++) {
 444            const TopoDS_Shape& anEdge = expt.Current();
 445            if(!anEdge.IsNull()) {
 446              const TopTools_ListOfShape& aListOfNewEd = mkCom.Modified(anEdge);
 447 #ifdef DEB_SPLIT_TO_ZONES
 448              TopTools_ListIteratorOfListOfShape itl(aListOfNewEd);
 449              for(int j=1;itl.More();itl.Next(),j++) {
 450                TCollection_AsciiString aName = aNam + i + "_" + j + ".brep";
 451                BRepTools::Write(itl.Value(), aName.ToCString());
 452                cout <<aName.ToCString()<<" = "<< itl.Value().TShape() <<endl;
 453              }
 454 #endif
 455              if(!aListOfNewEd.IsEmpty())
 456                aDM4.Add(anEdge, aListOfNewEd);
 457              else {
 458                if(!mkCom.IsDeleted(anEdge)) {
 459                  const TopTools_ListOfShape& aListOfGenEd = mkCom.Generated(anEdge);
 460                  if(!aListOfGenEd.IsEmpty()) {
 461                    /* aDM4.Bind(anEdge, aListOfGenEd); ??? */
 462                  } else {
 463                    TopTools_ListOfShape aList;
 464                    aList.Append(anEdge);
 465                    aDM4.Add(anEdge, aList);//the same edge - not modified
 466                  }
 467                }
 468              }
 469            }
 470          }
 471          //cout << "DM4 Ext = " <<aDM4.Extent() <<endl;
 472          if(limplus1Object) {
 473            // fill DM1 (old - new) and DM2 (new - old)
 474            HYDROData_DataMapIteratorOfDataMapOfShapeListOfShape mIt(aDM4);
 475            for(;mIt.More();mIt.Next()) {
 476              const TopoDS_Shape& aKey = mIt.Key();//old
 477              TopTools_ListOfShape aList;
 478              aList.Append(aKey);
 479              const TopTools_ListOfShape& aListOfNew = mIt.Value();
 480              aDM1.Add(aKey, aListOfNew);
 481              TopTools_ListIteratorOfListOfShape it(aListOfNew);
 482              for(;it.More();it.Next()) {
 483                if(!aDM2.Contains(it.Value()))
 484                  aDM2.Add(it.Value(), aList);
 485                else {
 486                  TopTools_ListOfShape& aList = aDM2.ChangeFromKey(it.Value());
 487                  aList.Prepend(aKey);
 488                }
 489              }
 490            }
 491          } else {
 492            HYDROData_DataMapIteratorOfDataMapOfShapeListOfShape aMIt(aDM1);
 493            //DM4 contains Old - New after common op. DM1: old - new after Split op.
 494            for(;aMIt.More();aMIt.Next()) {
 495              const TopoDS_Shape& aKey = aMIt.Key();
 496              TopTools_ListOfShape aList;
 497              aList.Append(aKey);
 498              const TopTools_ListOfShape& aListOfNew = aMIt.Value();
 499              TopTools_ListIteratorOfListOfShape it(aListOfNew);
 500              for(;it.More();it.Next()) {// iterate new: b1, b2, b3...
 501                if(!aDM4.Contains(it.Value())) // bi - is deleted
 502                  continue; // go to the next bi
 503                else {
 504                  const TopTools_ListOfShape& aListOfNew4 = aDM4.FindFromKey(it.Value());
 505                   TopTools_ListIteratorOfListOfShape it4(aListOfNew4); // {c1, c2, c3,...}
 506                   for(;it4.More();it4.Next()) {
 507                     if(!aDM2.Contains(it4.Value()))
 508                       aDM2.Add(it4.Value(), aList);
 509                     else {
 510                       TopTools_ListOfShape& aList = aDM2.ChangeFromKey(it4.Value());
 511                       aList.Prepend(aKey);
 512                     }
 513                   }
 514                }
 515              }
 516            }
 517          }
 518          } else {
 519              hasLimits = Standard_False;
 520 #ifdef DEB_SPLIT_TO_ZONES
 521              BRepTools::Write(aComResult,"CommonNV.brep");
 522 #endif
 523           }
 524        }
 525       }
 526     }
 527   }// end limits processing
 528   if(!hasLimits) {
 529     HYDROData_DataMapIteratorOfDataMapOfShapeListOfShape aMIt(aDM1);
 530     for(;aMIt.More();aMIt.Next()) {
 531       const TopoDS_Shape& aKey = aMIt.Key();
 532       TopTools_ListOfShape aList;
 533       aList.Append(aKey);
 534       const TopTools_ListOfShape& aListOfNew = aMIt.Value();
 535       TopTools_ListIteratorOfListOfShape it(aListOfNew);
 536       for(;it.More();it.Next()) {
 537         if(!aDM2.Contains(it.Value()))
 538           aDM2.Add(it.Value(), aList);
 539         else {
 540           TopTools_ListOfShape& aList = aDM2.ChangeFromKey(it.Value());
 541           aList.Prepend(aKey);
 542         }
 543       }
 544     }
 545   }
 546   // Step 4. Fill output structure.
 547 #ifdef DEB_SPLIT_TO_ZONES
 548   TCollection_AsciiString aNam4 ("SC_");
 549 #endif
 550   HYDROData_DataMapIteratorOfDataMapOfShapeListOfShape aMIt(aDM2);
 551   for(int i =1;aMIt.More();aMIt.Next(),i++) {
 552     SplitData aDestSplitData;
 553     const TopoDS_Shape& aKey = aMIt.Key(); //new
 554     aDestSplitData.Shape = aKey;
 555     if(aKey.ShapeType() == TopAbs_FACE)
 556       aDestSplitData.Type = SplitData::Data_Zone;
 557     else {
 558       aDestSplitData.Type = SplitData::Data_Edge;
 559 #ifdef DEB_SPLIT_TO_ZONES
 560       TCollection_AsciiString aName = aNam4 + i + ".brep";
 561       BRepTools::Write(aKey,aName.ToCString());
 562 #endif
 563     }
 564
 565     QStringList aListOfNames; // names processing
 566     const TopTools_ListOfShape& aListOfOld = aMIt.Value();
 567     TopTools_ListIteratorOfListOfShape it(aListOfOld);
 568     for(int j =1;it.More();it.Next(),j++) {
 569       const TopoDS_Shape& aSh = it.Value(); //old
 570       if(aDM3.Contains(aSh)) {
 571         const QStringList& ObjectNames = aDM3.FindFromKey(aSh);
 572         aListOfNames.append(ObjectNames);
 573 #ifdef DEB_SPLIT_TO_ZONES
 574         TCollection_AsciiString aName = aNam4 + i +"_" + j + ".brep";
 575         BRepTools::Write(aSh ,aName.ToCString());
 576 #endif
 577       }    else {
 578 #ifdef DEB_SPLIT_TO_ZONES
 579         TCollection_AsciiString aName = aNam4 +"__" + i +"_" + j + ".brep";
 580         BRepTools::Write(aSh ,aName.ToCString());
 581         cout <<aName.ToCString()<<" = "<< aSh.TShape() <<endl;
 582 #endif
 583           if(aBndView.Contains(aSh) && hasLimits) {
 584             aListOfNames.append(aBndName);
 585 #ifdef DEB_SPLIT_TO_ZONES
 586             cout << " BndName = "<<aBndName.toStdString() <<endl;
 587 #endif
 588           }
 589       }
 590     }
 591
 592     aDestSplitData.ObjectNames = aListOfNames;
 593     anOutputSplitDataList.append(aDestSplitData);
 594 #ifdef DEB_SPLIT_TO_ZONES
 595     QString aStr = aDestSplitData.ObjectNames.join(" ");
 596     cout << "New# = " << i<< " Names = "<<aStr.toStdString() << " size = " <<aDestSplitData.ObjectNames.size() <<endl;
 597 #endif
 598   }
 599
 600   return anOutputSplitDataList;
 601 }
 602
 603 HYDROData_SplitToZonesTool::SplitDataList
 604   HYDROData_SplitToZonesTool::Split( const HYDROData_SequenceOfObjects& theObjectList )
 605 {
 606   HYDROData_SequenceOfObjects aGeomGroups;
 607   Handle(HYDROData_PolylineXY) aPolyline;
 608
 609   return Split( theObjectList, aGeomGroups, aPolyline );
 610 }