src/GeomAlgoAPI/GeomAlgoAPI_Partition.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:        GeomAlgoAPI_Partition.cpp
   4 // Created:     21 Aug 2015
   5 // Author:      Sergey POKHODENKO
   6
   7 #include "GeomAlgoAPI_Partition.h"
   8
   9 #include <GeomAlgoAPI_DFLoader.h>
  10 #include <GeomAlgoAPI_ShapeTools.h>
  11
  12 #include <GEOMAlgo_Splitter.hxx>
  13
  14 #include <TopExp_Explorer.hxx>
  15 #include <TopoDS_Builder.hxx>
  16
  17 //=================================================================================================
  18 std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_Partition::make(const ListOfShape& theObjects,
  19                                                            const ListOfShape& theTools)
  20 {
  21   GeomAlgoAPI_Partition aPartitionAlgo(theObjects, theTools);
  22   if(aPartitionAlgo.isDone() && !aPartitionAlgo.shape()->isNull() && aPartitionAlgo.isValid()) {
  23     return aPartitionAlgo.shape();
  24   }
  25   return std::shared_ptr<GeomAPI_Shape>();
  26 }
  27
  28 //=================================================================================================
  29 GeomAlgoAPI_Partition::GeomAlgoAPI_Partition(const ListOfShape& theObjects,
  30                                              const ListOfShape& theTools)
  31 {
  32   build(theObjects, theTools);
  33 }
  34
  35
  36 //=================================================================================================
  37 void GeomAlgoAPI_Partition::build(const ListOfShape& theObjects,
  38                                   const ListOfShape& theTools)
  39 {
  40   if (theObjects.empty()) {
  41     return;
  42   }
  43
  44   // Creating partition operation.
  45   GEOMAlgo_Splitter* anOperation = new GEOMAlgo_Splitter;
  46   this->setImpl(anOperation);
  47   this->setBuilderType(OCCT_BOPAlgo_Builder);
  48
  49   // Getting objects.
  50   for (ListOfShape::const_iterator anObjectsIt = theObjects.begin(); anObjectsIt != theObjects.end(); anObjectsIt++) {
  51     const TopoDS_Shape& aShape = (*anObjectsIt)->impl<TopoDS_Shape>();
  52     anOperation->AddArgument(aShape);
  53   }
  54
  55   // Getting tools.
  56   for (ListOfShape::const_iterator aToolsIt = theTools.begin(); aToolsIt != theTools.end(); aToolsIt++) {
  57     const TopoDS_Shape& aShape = (*aToolsIt)->impl<TopoDS_Shape>();
  58     anOperation->AddTool(aShape);
  59   }
  60
  61   // Building and getting result.
  62   anOperation->Perform();
  63   if(anOperation->ErrorStatus() != 0) {
  64     return;
  65   }
  66   TopoDS_Shape aResult = anOperation->Shape();
  67
  68   if(aResult.ShapeType() == TopAbs_COMPOUND) {
  69     aResult = GeomAlgoAPI_DFLoader::refineResult(aResult);
  70   }
  71   if(aResult.ShapeType() == TopAbs_COMPOUND) {
  72     std::shared_ptr<GeomAPI_Shape> aCompound(new GeomAPI_Shape);
  73     aCompound->setImpl(new TopoDS_Shape(aResult));
  74     ListOfShape aCompSolids, aFreeSolids;
  75     GeomAlgoAPI_ShapeTools::combineShapes(aCompound, GeomAPI_Shape::COMPSOLID, aCompSolids, aFreeSolids);
  76     if(aCompSolids.size() == 1 && aFreeSolids.size() == 0) {
  77       aResult = aCompSolids.front()->impl<TopoDS_Shape>();
  78     } else if (aCompSolids.size() > 1 || (aCompSolids.size() >= 1 && aFreeSolids.size() >= 1)) {
  79       TopoDS_Compound aResultComp;
  80       TopoDS_Builder aBuilder;
  81       aBuilder.MakeCompound(aResultComp);
  82       for(ListOfShape::const_iterator anIter = aCompSolids.cbegin(); anIter != aCompSolids.cend(); anIter++) {
  83         aBuilder.Add(aResultComp, (*anIter)->impl<TopoDS_Shape>());
  84       }
  85       for(ListOfShape::const_iterator anIter = aFreeSolids.cbegin(); anIter != aFreeSolids.cend(); anIter++) {
  86         aBuilder.Add(aResultComp, (*anIter)->impl<TopoDS_Shape>());
  87       }
  88       aResult = aResultComp;
  89     }
  90   }
  91
  92   // Setting result.
  93   if(aResult.IsNull()) {
  94     return;
  95   }
  96   aResult = GeomAlgoAPI_DFLoader::refineResult(aResult);
  97   std::shared_ptr<GeomAPI_Shape> aShape(new GeomAPI_Shape());
  98   aShape->setImpl(new TopoDS_Shape(aResult));
  99   this->setShape(aShape);
 100   this->setDone(true);
 101 }