src/HYDROData/HYDROData_SplitToZonesTool.cxx

   1
   2 #include "HYDROData_SplitToZonesTool.h"
   3
   4 #include "HYDROData_PolylineXY.h"
   5 #include "HYDROData_ShapesGroup.h"
   6 #include <HYDROData_Transform.h>
   7 #include <BRepAlgoAPI_Cut.hxx>
   8 #include <BRepAlgoAPI_Common.hxx>
   9 #include <BRepBuilderAPI_MakeFace.hxx>
  10 #include <BRep_Builder.hxx>
  11 #include <TopExp_Explorer.hxx>
  12 #include <TopoDS.hxx>
  13 #include <TopoDS_Shape.hxx>
  14 #include <TopoDS_Compound.hxx>
  15 #include <TopoDS_Wire.hxx>
  16 #include <TopoDS_Edge.hxx>
  17 #include <BRepCheck_Analyzer.hxx>
  18 #include <TopTools_ListOfShape.hxx>
  19 #include <TopTools_ListIteratorOfListOfShape.hxx>
  20 #include <gp_Pln.hxx>
  21 #include <BRepGProp.hxx>
  22 #include <GProp_GProps.hxx>
  23 #include <Geom_Plane.hxx>
  24 #include <BRepBuilderAPI_FindPlane.hxx>
  25
  26 //#define DEB_SPLIT_TO_ZONES 1
  27 //#define DEB_SPLIT_TO_ZONES_CHECK_PARTITION 1
  28 #if (defined (DEB_SPLIT_TO_ZONES) || defined(DEB_SPLIT_TO_ZONES_CHECK_PARTITION))
  29 #include <BRepTools.hxx>
  30 static TCollection_AsciiString fileNameBefore("BeforeTranslation");
  31 #endif
  32
  33 TopoDS_Face HYDROData_SplitToZonesTool::SplitData::Face() const
  34 {
  35   TopoDS_Face aResFace;
  36
  37   if( !Shape.IsNull() )
  38   {
  39     if ( Shape.ShapeType() == TopAbs_FACE )
  40     {
  41       aResFace = TopoDS::Face( Shape );
  42     }
  43     else if ( Shape.ShapeType() == TopAbs_WIRE )
  44     {
  45       BRepBuilderAPI_MakeFace aMakeFace( TopoDS::Wire( Shape ), Standard_True );
  46       aMakeFace.Build();
  47       if( aMakeFace.IsDone() )
  48         aResFace = aMakeFace.Face();
  49     }
  50   }
  51
  52   return aResFace;
  53 }
  54
  55 Standard_Boolean buildLimFace(const TopoDS_Wire& theBndWire, TopoDS_Face& outFace)
  56 {
  57   GProp_GProps G;
  58   BRepGProp::LinearProperties(theBndWire,G);
  59   const gp_Pnt& aCPnt = G.CentreOfMass();
  60   gp_Pln aPln;
  61   BRepBuilderAPI_FindPlane fndPlane (theBndWire, Precision::Confusion());
  62   if(fndPlane.Found())
  63     aPln = fndPlane.Plane()->Pln();
  64   else
  65     aPln = gp_Pln(aCPnt, gp::OZ().Direction());
  66   BRepBuilderAPI_MakeFace  aMkFace(aPln, theBndWire);
  67   if(aMkFace.IsDone()) {
  68     outFace = aMkFace.Face();
  69     if(!outFace.IsNull()) {
  70 #ifdef DEB_SPLIT_TO_ZONES
  71 //        BRepTools::Write(limFace,"FL.brep");
  72 #endif
  73       return Standard_True;
  74         }
  75   }
  76   return Standard_False;
  77 }
  78 //======================================================================================
  79
  80 void HYDROData_SplitToZonesTool::SetFileNames(const QString& theNameBefore, const QString& theNameAfter)
  81 {
  82 #ifdef DEB_SPLIT_TO_ZONES_CHECK_PARTITION
  83   if(!theNameBefore.isNull() && !theNameBefore.isEmpty())
  84   {
  85     TCollection_AsciiString aName (theNameBefore.toStdString().data());
  86         fileNameBefore = aName;
  87   }
  88   if(!theNameAfter.isNull() && !theNameAfter.isEmpty())
  89   {
  90     TCollection_AsciiString aName (theNameAfter.toStdString().data());
  91     HYDROData_Transform::SetFileName (aName);
  92   }
  93 #endif
  94 }
  95 //======================================================================================
  96 Standard_Integer HYDROData_SplitToZonesTool::SplitFaces(const TopoDS_Compound& theComp,
  97                                                                                                                 HYDROData_Transform& theTool)
  98 {
  99   theTool.Clear();
 100   theTool.SetArgument(theComp);
 101   theTool.Detect();
 102   const Standard_Boolean bToTransform = theTool.ToTransform();
 103   theTool.SetToTransform(bToTransform);
 104   theTool.Perform();
 105   Standard_Integer anErr = theTool.ErrorStatus();
 106   return anErr;
 107 }
 108
 109 //======================================================================================
 110 HYDROData_SplitToZonesTool::SplitDataList
 111   HYDROData_SplitToZonesTool::Split( const HYDROData_SequenceOfObjects&  theObjectList,
 112                                      const HYDROData_SequenceOfObjects&  theGroupsList,
 113                                      const Handle(HYDROData_PolylineXY)& thePolyline )
 114 {
 115   SplitDataList anOutputSplitDataList;
 116   if(theObjectList.IsEmpty()) return anOutputSplitDataList;
 117   // Preparation.
 118   // Collect the object shapes to split. InputDataList will contain elements which will hold shape & name_of_shape.
 119   SplitDataList anInputSplitDataList;
 120   //TCollection_AsciiString aNam("Faces_");
 121   for( int anIndex = 1, aLength = theObjectList.Length(); anIndex <= aLength; anIndex++ )
 122   {
 123     Handle(HYDROData_Object) aGeomObj =
 124       Handle(HYDROData_Object)::DownCast( theObjectList.Value( anIndex ) );
 125     if( aGeomObj.IsNull() )
 126       continue;
 127
 128     TopoDS_Shape aShape = aGeomObj->GetTopShape();
 129     if ( aShape.IsNull() )
 130       continue;
 131    //TCollection_AsciiString aName = aNam + anIndex + ".brep";
 132    //BRepTools::Write(aShape, aName.ToCString());
 133
 134     if ( aShape.ShapeType() == TopAbs_COMPOUND ) {
 135       // Create split data for each face contained in the compound
 136       TopExp_Explorer anExp( aShape, TopAbs_FACE );
 137       for ( ; anExp.More(); anExp.Next() ) {
 138         const TopoDS_Face& aFace = TopoDS::Face( anExp.Current() );
 139         if ( !aFace.IsNull() ) {
 140           SplitData aSplitData( SplitData::Data_Zone, aFace, aGeomObj->GetName() );
 141           anInputSplitDataList.append( aSplitData );
 142         }
 143       }
 144     } else {
 145       SplitData aSplitData( SplitData::Data_Zone, aShape, aGeomObj->GetName() );
 146       anInputSplitDataList.append( aSplitData );
 147     }
 148   }
 149   //
 150   SplitDataList anInputGroupList;
 151   for( int anIndex = 1, aLength = theGroupsList.Length(); anIndex <=aLength; anIndex++ )
 152   {
 153     Handle(HYDROData_ShapesGroup) aGeomGroup =
 154       Handle(HYDROData_ShapesGroup)::DownCast( theGroupsList.Value( anIndex ) );
 155     if( aGeomGroup.IsNull() )
 156       continue;
 157
 158     TopTools_SequenceOfShape aGroupShapes;
 159     aGeomGroup->GetShapes( aGroupShapes );
 160     for( int i = 1, aNbShapes = aGroupShapes.Length(); i <= aNbShapes; i++ ) {
 161       const TopoDS_Shape& aGroupShape = aGroupShapes.Value( i );
 162       if ( aGroupShape.IsNull() )
 163         continue;
 164
 165       if ( aGroupShape.ShapeType() == TopAbs_COMPOUND ) {
 166         TopExp_Explorer anExp( aGroupShape, TopAbs_EDGE );
 167         for ( ; anExp.More(); anExp.Next() ) {
 168           const TopoDS_Edge& anEdge = TopoDS::Edge( anExp.Current() );
 169           if ( !anEdge.IsNull() ) {
 170             SplitData aSplitData( SplitData::Data_Edge, anEdge, aGeomGroup->GetName() );
 171             anInputGroupList.append( aSplitData );
 172           }
 173                 }
 174       } else {
 175         SplitData aSplitData( SplitData::Data_Edge, aGroupShape, aGeomGroup->GetName() );
 176         anInputGroupList.append( aSplitData );
 177 #ifdef DEB_SPLIT_TO_ZONES
 178                 QString aStr = aSplitData.ObjectNames.join(" ");
 179                 cout << "Group# = " <<anIndex <<" Nmb in grp = " << i<< " Names = "<<aStr.toStdString() << " size = " <<aSplitData.ObjectNames.size() <<endl;
 180 #endif
 181       }
 182         }
 183   }
 184   // If only one shape is given we don't split it
 185   // algorithm just returns the unpacked input data
 186   bool limplus1Object(false);
 187   if(theObjectList.Size() == 1 )  {
 188         if(thePolyline.IsNull()) {
 189           anOutputSplitDataList.append(anInputSplitDataList);
 190           if(!theGroupsList.IsEmpty() )
 191             anOutputSplitDataList.append(anInputGroupList);
 192       return anOutputSplitDataList;
 193         } else
 194                 limplus1Object = true;// size =1 && hasLimits
 195   }
 196   HYDROData_DataMapOfShapeListOfString aDM3;
 197   if(!anInputGroupList.isEmpty()) {// Old edge ==> List_Of_Names
 198     QStringList aListOfNames;
 199     for (int i=0;i < anInputGroupList.size() ;i++) {
 200       const TopoDS_Shape& aSh = anInputGroupList.at(i).Shape;
 201       aDM3.Bind(aSh, anInputGroupList.at(i).ObjectNames);
 202     }
 203   }
 204   // Step 1. Prepare Partition structures.
 205   TopoDS_Shape aResult;
 206   BOPCol_ListOfShape aLS;
 207   QStringList aListOfNames;
 208   TopoDS_Compound aCmp;
 209   BRep_Builder aBB;
 210   aBB.MakeCompound(aCmp);
 211   for (int i=0;i < anInputSplitDataList.size() ;i++) {
 212     const TopoDS_Shape& aSh = anInputSplitDataList.at(i).Shape;
 213     aDM3.Bind(aSh, anInputSplitDataList.at(i).ObjectNames);
 214     aLS.Append(aSh);
 215         aBB.Add(aCmp,aSh);
 216     //TCollection_AsciiString aName = aNam + i + ".brep";
 217     //BRepTools::Write(aSh, aName.ToCString());
 218   }
 219 #ifdef DEB_SPLIT_TO_ZONES_CHECK_PARTITION
 220   TCollection_AsciiString aNameBefore = fileNameBefore + ".brep";
 221   BRepTools::Write(aCmp, aNameBefore.ToCString());
 222 #endif
 223
 224   HYDROData_DataMapOfShapeListOfShape aDM1;
 225   if(anInputSplitDataList.size() > 1) {
 226   HYDROData_Transform splitTool;
 227   const Standard_Integer anErr = SplitFaces(aCmp, splitTool);
 228   if(anErr)
 229     return anOutputSplitDataList;
 230   aResult = splitTool.Shape();
 231   if (aResult.IsNull())
 232     return anOutputSplitDataList;
 233   BRepCheck_Analyzer aCheck (aResult);
 234   if(!aCheck.IsValid()) {
 235 #ifdef DEB_SPLIT_TO_ZONES
 236     cout << "result is not valid" <<endl;
 237     BRepTools::Write(aResult, "SplitFacesNV.brep");
 238 #endif
 239     return anOutputSplitDataList;
 240   }
 241 #ifdef DEB_SPLIT_TO_ZONES
 242   BRepTools::Write(aResult, "SplitFacesV.brep");
 243 #endif
 244
 245   // Step 3. Collect history
 246   //HYDROData_DataMapOfShapeListOfShape aDM1;
 247   BOPCol_ListIteratorOfListOfShape anIt(aLS);
 248   //TCollection_AsciiString aNamM ("EdgM_");
 249   //TCollection_AsciiString aNamG ("EdgG_");
 250   for (int i =1;anIt.More();anIt.Next(),i++) {
 251         Standard_Boolean foundF(Standard_False);
 252     const TopTools_ListOfShape& aListOfNew = splitTool.Modified(anIt.Value());
 253         if(!aListOfNew.IsEmpty())
 254           foundF = Standard_True;
 255     TopTools_ListOfShape aList;
 256     TopTools_ListIteratorOfListOfShape it(aListOfNew);
 257     for(;it.More();it.Next())
 258       aList.Append(it.Value());
 259     // Bug in History: partition should give only modified entities! => temporary solution is used
 260     const TopTools_ListOfShape& aListOfGen = splitTool.Generated(anIt.Value());
 261         if(!aListOfGen.IsEmpty())
 262           foundF = Standard_True;
 263         it.Initialize(aListOfGen);
 264         for(;it.More();it.Next())
 265           aList.Append(it.Value());
 266     if(!foundF) // face is not modified
 267           aList.Append (anIt.Value());
 268         aDM1.Bind(anIt.Value(), aList);
 269 #ifdef DEB_SPLIT_TO_ZONES
 270         TCollection_AsciiString aName;
 271 #endif
 272         if(!anInputGroupList.isEmpty() ) { // 1
 273           TopExp_Explorer exp (anIt.Value(), TopAbs_EDGE);
 274           for (int j =1;exp.More();exp.Next(),j++) {
 275         aList.Clear();
 276             Standard_Boolean foundE(Standard_False);
 277             const TopTools_ListOfShape& aListM = splitTool.Modified(exp.Current());
 278                 //cout << "NB_EDGE_M = " << aListM.Extent() <<endl;
 279                 if(aListM.Extent()) foundE = Standard_True;
 280                 it.Initialize(aListM);
 281                 for(int k=1;it.More();it.Next(),k++) {
 282               aList.Append(it.Value());
 283                   //aName = aNamM + i + j +k +".brep";
 284                   //BRepTools::Write(it.Value(),aName.ToCString());
 285                 }
 286                 const TopTools_ListOfShape& aListG = splitTool.Generated(exp.Current());
 287                 if(aListG.Extent()) foundE = Standard_True;
 288                 it.Initialize(aListG);
 289                 for(int k=1;it.More();it.Next(),k++)   {
 290               aList.Append(it.Value());
 291                   //aName = aNamG + i + j +k +".brep";
 292                   //BRepTools::Write(it.Value(),aName.ToCString());
 293                 }
 294                 //cout << "NB_EDGE = " << aList.Extent() <<endl;
 295                 if(!foundE) {
 296                   aList.Append (exp.Current());
 297 #ifdef DEB_SPLIT_TO_ZONES
 298                   aName = aNamG + i + j +".brep";
 299                   BRepTools::Write(exp.Current(),aName.ToCString());
 300                   cout << aName.ToCString()<< " = " << exp.Current().TShape() <<endl;
 301 #endif
 302                 }
 303                 aDM1.Bind(exp.Current(), aList);
 304           }
 305         }
 306   }
 307   } else
 308           aResult = anInputSplitDataList.at(0).Shape; // get single input shape
 309   // aDM2: NewShape ==> ListOfOldShapes
 310   HYDROData_DataMapOfShapeListOfShape aDM2;
 311   // make limiting face
 312   HYDROData_DataMapOfShapeListOfShape aDM4;
 313   Standard_Boolean hasLimits(Standard_False);
 314   if (! thePolyline.IsNull()) {
 315     const TopoDS_Wire aBndWire = TopoDS::Wire(thePolyline->GetShape());
 316     if(!aBndWire.IsNull()) {
 317       TopoDS_Face limFace;
 318           if(buildLimFace(aBndWire, limFace)) {
 319                 TopoDS_Shape aComResult;
 320             BRepAlgoAPI_Common mkCom(aResult, limFace);
 321                 if(mkCom.IsDone()) {
 322               aComResult = mkCom.Shape();
 323                   BRepCheck_Analyzer aCheck (aComResult);
 324           if(aCheck.IsValid()) {
 325 #ifdef DEB_SPLIT_TO_ZONES
 326                     BRepTools::Write(aComResult,"CommonV.brep");
 327 #endif
 328
 329                     hasLimits = Standard_True; // DM2 should be filled here
 330                     HYDROData_MapOfShape aView;
 331                     TopExp_Explorer exp (aResult, TopAbs_FACE);
 332                         for (int i =1;exp.More();exp.Next(),i++) {
 333               const TopoDS_Shape& aFace = exp.Current();
 334                       if(!aFace.IsNull()) {
 335                         const TopTools_ListOfShape& aListOfNew = mkCom.Modified(aFace);
 336                             //cout << "Modified: " << aListOfNew.Extent() <<endl;
 337                 const TopTools_ListOfShape& aListOfGen = mkCom.Generated(aFace);
 338                             if(!aListOfNew.IsEmpty()) {
 339                       aDM4.Bind(aFace, aListOfNew);
 340                               //TCollection_AsciiString aName = aNam + i + ".brep";
 341                                   //BRepTools::Write(aListOfNew.Last(), aName.ToCString());
 342                                 }
 343                                 else {
 344                               if(!mkCom.IsDeleted(aFace)) {
 345                                     if(!aListOfGen.IsEmpty()) {
 346                           aDM4.Bind(aFace, aListOfGen);
 347                                       //TCollection_AsciiString aName = aNam + i + "g.brep";
 348                                       //BRepTools::Write(aListOfGen.Last(), aName.ToCString());
 349                                         }
 350                                          else {
 351                                     TopTools_ListOfShape aList;
 352                                         aList.Append(aFace);
 353                                         aDM4.Bind(aFace, aList); //the same face - not modified
 354                                          }
 355                                   }
 356                          }
 357                          TopExp_Explorer exp2 (aFace, TopAbs_EDGE);
 358                          for (int j =1;exp2.More();exp2.Next(),j++) {
 359                            const TopoDS_Shape& anEdge = exp2.Current();
 360                            if(!anEdge.IsNull()) {
 361                                  if(aView.Contains(anEdge)) continue;
 362                                  aView.Add(anEdge);
 363                                  const TopTools_ListOfShape& aListOfNewEd = mkCom.Modified(anEdge);
 364                                  const TopTools_ListOfShape& aListOfGenEd = mkCom.Generated(anEdge);
 365                  if(!aListOfNewEd.IsEmpty())
 366                        aDM4.Bind(anEdge, aListOfNewEd);
 367                                  else {
 368                                    if(!mkCom.IsDeleted(anEdge)) {
 369                                          if(!aListOfGenEd.IsEmpty()) {
 370                                            aDM4.Bind(anEdge, aListOfGenEd);
 371                                          } else {
 372                                            TopTools_ListOfShape aList;
 373                                        aList.Append(anEdge);
 374                                        aDM4.Bind(anEdge, aList);//the same edge - not modified
 375                                          }
 376                                    }
 377                                  }
 378                            }
 379                          }
 380                         }
 381                   } //end DM4 filling (phase 1)
 382                     //cout << "DM4 Ext = " <<aDM4.Extent() <<endl;
 383                  // phase 2 (from tool)
 384          TopExp_Explorer expt (limFace, TopAbs_EDGE);
 385                  for(;expt.More();expt.Next()) {
 386                    const TopoDS_Shape& anEdge = expt.Current();
 387                    if(!anEdge.IsNull()) {
 388              const TopTools_ListOfShape& aListOfNewEd = mkCom.Modified(anEdge);
 389                          const TopTools_ListOfShape& aListOfGenEd = mkCom.Generated(anEdge);
 390              if(!aListOfNewEd.IsEmpty())
 391                    aDM4.Bind(anEdge, aListOfNewEd);
 392                          else {
 393                            if(!mkCom.IsDeleted(anEdge)) {
 394                                  if(!aListOfGenEd.IsEmpty()) {
 395                                    aDM4.Bind(anEdge, aListOfGenEd);
 396                                  } else {
 397                                    TopTools_ListOfShape aList;
 398                                aList.Append(anEdge);
 399                                aDM4.Bind(anEdge, aList);//the same edge - not modified
 400                                  }
 401                            }
 402                          }
 403                    }
 404                  }
 405                  //cout << "DM4 Ext = " <<aDM4.Extent() <<endl;
 406                  if(limplus1Object) {
 407                    // fill DM1 (old - new) and DM2 (new - old)
 408                    HYDROData_DataMapIteratorOfDataMapOfShapeListOfShape mIt(aDM4);
 409            for(;mIt.More();mIt.Next()) {
 410                          const TopoDS_Shape& aKey = mIt.Key();//old
 411                          TopTools_ListOfShape aList;
 412                          aList.Append(aKey);
 413                          const TopTools_ListOfShape& aListOfNew = mIt.Value();
 414                          aDM1.Bind(aKey, aListOfNew);
 415                          TopTools_ListIteratorOfListOfShape it(aListOfNew);
 416                          for(;it.More();it.Next()) {
 417                            if(!aDM2.IsBound(it.Value()))
 418                                  aDM2.Bind(it.Value(), aList);
 419                            else {
 420                                  TopTools_ListOfShape& aList = aDM2.ChangeFind(it.Value());
 421                                  aList.Prepend(aKey);
 422                            }
 423                          }
 424                    }
 425                  } else {
 426          HYDROData_DataMapIteratorOfDataMapOfShapeListOfShape aMIt(aDM1);
 427                  //DM4 contains Old - New after common op. DM1: old - new after Split op.
 428                  for(;aMIt.More();aMIt.Next()) {
 429            const TopoDS_Shape& aKey = aMIt.Key();
 430            TopTools_ListOfShape aList;
 431            aList.Append(aKey);
 432            const TopTools_ListOfShape& aListOfNew = aMIt.Value();
 433            TopTools_ListIteratorOfListOfShape it(aListOfNew);
 434            for(;it.More();it.Next()) {// iterate new: b1, b2, b3...
 435                          if(!aDM4.IsBound(it.Value())) // bi - is deleted
 436                continue; // go to the next bi
 437                          else {
 438                                 const TopTools_ListOfShape& aListOfNew4 = aDM4.Find(it.Value());
 439                             TopTools_ListIteratorOfListOfShape it4(aListOfNew4); // {c1, c2, c3,...}
 440                 for(;it4.More();it4.Next()) {
 441                                   if(!aDM2.IsBound(it4.Value()))
 442                     aDM2.Bind(it4.Value(), aList);
 443                               else {
 444                     TopTools_ListOfShape& aList = aDM2.ChangeFind(it4.Value());
 445                     aList.Prepend(aKey);
 446                                   }
 447                                 }
 448                          }
 449                    }
 450                  }
 451                  }
 452                  } else {
 453                          hasLimits = Standard_False;
 454 #ifdef DEB_SPLIT_TO_ZONES
 455                      BRepTools::Write(aComResult,"CommonNV.brep");
 456 #endif
 457                   }
 458            }
 459           }
 460         }
 461   }// end limits processing
 462   if(!hasLimits) {
 463     HYDROData_DataMapIteratorOfDataMapOfShapeListOfShape aMIt(aDM1);
 464     for(;aMIt.More();aMIt.Next()) {
 465       const TopoDS_Shape& aKey = aMIt.Key();
 466       TopTools_ListOfShape aList;
 467       aList.Append(aKey);
 468       const TopTools_ListOfShape& aListOfNew = aMIt.Value();
 469       TopTools_ListIteratorOfListOfShape it(aListOfNew);
 470       for(;it.More();it.Next()) {
 471         if(!aDM2.IsBound(it.Value()))
 472           aDM2.Bind(it.Value(), aList);
 473         else {
 474           TopTools_ListOfShape& aList = aDM2.ChangeFind(it.Value());
 475           aList.Prepend(aKey);
 476                 }
 477           }
 478         }
 479   }
 480   // Step 4. Fill output structure.
 481 #ifdef DEB_SPLIT_TO_ZONES
 482   TCollection_AsciiString aNam4 ("SC_");
 483 #endif
 484   HYDROData_DataMapIteratorOfDataMapOfShapeListOfShape aMIt(aDM2);
 485   for(int i =1;aMIt.More();aMIt.Next(),i++) {
 486     SplitData aDestSplitData;
 487     const TopoDS_Shape& aKey = aMIt.Key(); //new
 488     aDestSplitData.Shape = aKey;
 489     if(aKey.ShapeType() == TopAbs_FACE)
 490       aDestSplitData.Type = SplitData::Data_Zone;
 491         else {
 492       aDestSplitData.Type = SplitData::Data_Edge;
 493 #ifdef DEB_SPLIT_TO_ZONES
 494           TCollection_AsciiString aName = aNam4 + i + ".brep";
 495           BRepTools::Write(aKey,aName.ToCString());
 496 #endif
 497         }
 498
 499     QStringList aListOfNames; // names processing
 500     const TopTools_ListOfShape& aListOfOld = aMIt.Value();
 501     TopTools_ListIteratorOfListOfShape it(aListOfOld);
 502         for(int j =1;it.More();it.Next(),j++) {
 503           const TopoDS_Shape& aSh = it.Value(); //old
 504           if(aDM3.IsBound(aSh)) {
 505             const QStringList& ObjectNames = aDM3.Find(aSh);
 506                 aListOfNames.append(ObjectNames);
 507 #ifdef DEB_SPLIT_TO_ZONES
 508                 TCollection_AsciiString aName = aNam4 + i +"_" + j + ".brep";
 509             BRepTools::Write(aSh ,aName.ToCString());
 510 #endif
 511           }
 512         }
 513
 514         aDestSplitData.ObjectNames = aListOfNames;
 515         anOutputSplitDataList.append(aDestSplitData);
 516 #ifdef DEB_SPLIT_TO_ZONES
 517         QString aStr = aDestSplitData.ObjectNames.join(" ");
 518         cout << "New# = " << i<< " Names = "<<aStr.toStdString() << " size = " <<aDestSplitData.ObjectNames.size() <<endl;
 519 #endif
 520   }
 521
 522   return anOutputSplitDataList;
 523 }
 524
 525 bool HYDROData_SplitToZonesTool::SplitTwoData( const SplitData& theData1,
 526                                                const SplitData& theData2,
 527                                                SplitData& theData1Subtracted,
 528                                                SplitData& theData2Subtracted,
 529                                                SplitData& theDataIntersected )
 530 {
 531   const TopoDS_Shape& aShape1 = theData1.Shape;
 532   const TopoDS_Shape& aShape2 = theData2.Shape;
 533
 534   const QStringList& anObjectNames1 = theData1.ObjectNames;
 535   const QStringList& anObjectNames2 = theData2.ObjectNames;
 536
 537   BRepAlgoAPI_Common aCommon( aShape1, aShape2 );
 538   TopoDS_Shape aCommonShape = aCommon.Shape();
 539   if( aCommonShape.IsNull() )
 540   {
 541     theData1Subtracted = theData1;
 542     theData2Subtracted = theData2;
 543     return false;
 544   }
 545
 546   BRepAlgoAPI_Cut aCut1( aShape1, aShape2 );
 547   TopoDS_Shape aCut1Shape = aCut1.Shape();
 548
 549   BRepAlgoAPI_Cut aCut2( aShape2, aShape1 );
 550   TopoDS_Shape aCut2Shape = aCut2.Shape();
 551
 552   theData1Subtracted = SplitData( SplitData::Data_Zone, aCut1Shape, anObjectNames1 );
 553   theData2Subtracted = SplitData( SplitData::Data_Zone, aCut2Shape, anObjectNames2 );
 554   theDataIntersected = SplitData( SplitData::Data_Zone, aCommonShape, anObjectNames1 + anObjectNames2 );
 555
 556   return true;
 557 }
 558
 559 HYDROData_SplitToZonesTool::SplitDataList
 560 HYDROData_SplitToZonesTool::ExtractSeparateData( const SplitData& theData )
 561 {
 562   SplitDataList aSplitDataList;
 563   TopExp_Explorer anExp( theData.Shape, TopAbs_FACE );
 564   for( ; anExp.More(); anExp.Next() )
 565   {
 566     TopoDS_Shape aShape = anExp.Current();
 567     if( aShape.ShapeType() == TopAbs_FACE )
 568     {
 569       TopoDS_Face aFace = TopoDS::Face( aShape );
 570       if( !aFace.IsNull() )
 571       {
 572         SplitData aSplitData( SplitData::Data_Zone, aFace, theData.ObjectNames );
 573         aSplitDataList.append( aSplitData );
 574       }
 575     }
 576   }
 577   return aSplitDataList;
 578 }