コード例 #1
0
ファイル: OCCRegion.cpp プロジェクト: iyer-arvind/gmsh
void OCCRegion::replaceFacesInternal(std::list<GFace*> &new_faces)
{
  // we simply replace old faces by new faces in the structure
  TopExp_Explorer aExpS, aExpF;
  BRep_Builder aBB;
  TopoDS_Compound aCmp;
  aBB.MakeCompound(aCmp);
  TopoDS_Solid _s_replacement;
  aBB.MakeSolid(_s_replacement);
  _s_replacement.Orientation(s.Orientation());
  aExpS.Init(s, TopAbs_SHELL);
  for (; aExpS.More(); aExpS.Next()) {
    const TopoDS_Shell& _shell=TopoDS::Shell(aExpS.Current());
    TopoDS_Shell _shell_replacement;
    aBB.MakeShell(_shell_replacement);
    _shell_replacement.Orientation(_shell.Orientation());
    aExpF.Init(_shell, TopAbs_FACE);
    for (; aExpF.More(); aExpF.Next()) {
      const TopoDS_Face& _face=TopoDS::Face(aExpF.Current());
      TopoDS_Face _face_replacement;

      std::list<GFace*>::iterator it  = l_faces.begin();
      std::list<GFace*>::iterator it2 = new_faces.begin();

      for ( ; it != l_faces.end() ; ++it,++it2){
	OCCFace *occF = dynamic_cast<OCCFace*>(*it);
	if (occF){
	  TopoDS_Face oldf = occF->getTopoDS_Face();
	  if (oldf.IsSame(_face)){
	    _face_replacement = *((TopoDS_Face*)(*it2)->getNativePtr());
	  }
	  else {
	    oldf = occF->getTopoDS_FaceOld();
	    if (oldf.IsSame(_face)){
	      _face_replacement = *((TopoDS_Face*)(*it2)->getNativePtr());
	    }
	  }
	}
      }
      if (_face_replacement.IsNull()){
	Msg::Error("cannot find an face for gluing a region");
      }

      if (_face_replacement.IsSame(_face)) {
	aBB.Add(_shell_replacement, _face);
      }
      else {
	if(FaceHaveDifferentOrientations(_face, _face_replacement))
          _face_replacement.Reverse();
	aBB.Add(_shell_replacement, _face_replacement);
      }
    }
    aBB.Add(_s_replacement, _shell_replacement);
  }
  s = _s_replacement;
  setup();
}
コード例 #2
0
Standard_Boolean ShHealOper_RemoveFace::removeFaces(const TopoDS_Solid& theShape,
                                                    TopoDS_Shape& theNewShape)
{
  Standard_Boolean isDone = Standard_False;
  TopoDS_Solid aSol;
  BRep_Builder aB;
  aB.MakeSolid(aSol);
  TopoDS_Compound aComp;
  aB.MakeCompound(aComp);
  Standard_Boolean isAddSol = Standard_False, isAddComp = Standard_False;

  //firslty faces will be deleted from each shell.
  TopoDS_Iterator aItSol(theShape,Standard_False);
  for( ; aItSol.More(); aItSol.Next()) {
    TopoDS_Shape aSh = aItSol.Value();
    TopoDS_Shape aNewShape;
    if(removeFaces(aSh,aNewShape)) 
      isDone = Standard_True;
    
    if(aNewShape.IsNull())
      continue;
    else if(aNewShape.ShapeType() == TopAbs_SHELL ) {
      aB.Add(aSol,aNewShape);
      isAddSol = Standard_True;
    }
    else {
      aB.Add(aComp,aNewShape);
      isAddComp = Standard_True;
    }
    
  }
  if(isDone) {
    //for getting correct solids class ShapeFix_Solid will be used.
    if(isAddSol) {
      Handle(ShapeFix_Solid) aSfSol = new ShapeFix_Solid(aSol);
      aSfSol->FixShellMode()= Standard_False;
      aSfSol->Perform();
      TopoDS_Shape aresSol = aSfSol->Shape();
      if(!isAddComp) 
        theNewShape = aresSol;
      else 
        aB.Add(aComp,aresSol);
    }
    else if(isAddComp)
        theNewShape = aComp;
    else
      theNewShape.Nullify();
  }
  else
    theNewShape = theShape; 
  return isDone;
}
コード例 #3
0
//=======================================================================
// function: MakeContainer
// purpose: 
//=======================================================================
  void GEOMAlgo_Tools3D::MakeContainer(const TopAbs_ShapeEnum theType,
                                      TopoDS_Shape& theC)
{
  BRep_Builder aBB;
  //
  switch(theType) {
    case TopAbs_COMPOUND:{
      TopoDS_Compound aC;
      aBB.MakeCompound(aC);
      theC=aC;
    }
      break;
      //
    case TopAbs_COMPSOLID:{
      TopoDS_CompSolid aCS;
      aBB.MakeCompSolid(aCS);
      theC=aCS;
    }
      break;
      //
    case TopAbs_SOLID:{
      TopoDS_Solid aSolid;
      aBB.MakeSolid(aSolid);
      theC=aSolid;
    }  
      break;
      //
      //
    case TopAbs_SHELL:{
      TopoDS_Shell aShell;
      aBB.MakeShell(aShell);
      theC=aShell;
    }  
      break;
      //
    case TopAbs_WIRE: {
      TopoDS_Wire aWire;
      aBB.MakeWire(aWire);
      theC=aWire;
    }
      break;
      //
    default:
      break;
  }
}
コード例 #4
0
ファイル: BRLFile.cpp プロジェクト: feelpp/debian-gmsh
////////////////////////////////////////////////////////////////////////////////
// Construct TopoDS from BRL-CAD data
////////////////////////////////////////////////////////////////////////////////
BRLTopo::BRLTopo(struct rt_arb_internal *arb)
{
    TopoDS_Vertex v[8];
    for(int i=0;i<8;i++)
        v[i]=BRepBuilderAPI_MakeVertex(
            gp_Pnt(
                scale*arb->pt[i][0],
                scale*arb->pt[i][1],
                scale*arb->pt[i][2]
            )
        );

    int arbn;
    if(!BRepTools::Compare(v[6],v[7]))
        arbn=8;
    else if(!BRepTools::Compare(v[4],v[5]))
        arbn=7;
    else if(!BRepTools::Compare(v[5],v[6]))
        arbn=6;
    else if(!BRepTools::Compare(v[0],v[3]))
        arbn=5;
    else
        arbn=4;

    switch(arbn) {
    case 8: {
        TopoDS_Edge e[12];
        for(int i=0;i<4;i++) { 
            e[i]=BRepBuilderAPI_MakeEdge(v[i],v[(i+1)%4]);
            e[i+4]=BRepBuilderAPI_MakeEdge(v[i+4],v[(i+1)%4+4]);
            e[i+8]=BRepBuilderAPI_MakeEdge(v[i],v[(i+4)%8]);
        }

        TopoDS_Wire w[6];
        w[0]=BRepBuilderAPI_MakeWire(e[0],e[1],e[2],e[3]);
        w[1]=BRepBuilderAPI_MakeWire(e[4],e[5],e[6],e[7]);
        w[2]=BRepBuilderAPI_MakeWire(e[0],e[9],e[4],e[8]);
        w[3]=BRepBuilderAPI_MakeWire(e[1],e[10],e[5],e[9]);
        w[4]=BRepBuilderAPI_MakeWire(e[2],e[11],e[6],e[10]);
        w[5]=BRepBuilderAPI_MakeWire(e[3],e[8],e[7],e[11]);

        BRep_Builder BB;
        TopoDS_Shell shell;
        BB.MakeShell(shell);
        for(int i=0;i<6;i++) {
            TopoDS_Face f=BRepBuilderAPI_MakeFace(w[i]);
            BB.Add(shell,i? f.Reversed():f);
        }
        TopoDS_Solid solid;
        BB.MakeSolid(solid);
        BB.Add(solid,shell);
        ShapeFix_Solid sf(solid);
        sf.Perform();
        shape=sf.Solid();
        } break;
    case 6: {
        TopoDS_Edge e[9];
        e[0]=BRepBuilderAPI_MakeEdge(v[0],v[1]);
        e[1]=BRepBuilderAPI_MakeEdge(v[1],v[2]);
        e[2]=BRepBuilderAPI_MakeEdge(v[2],v[3]);
        e[3]=BRepBuilderAPI_MakeEdge(v[3],v[0]);
        e[4]=BRepBuilderAPI_MakeEdge(v[0],v[4]);
        e[5]=BRepBuilderAPI_MakeEdge(v[1],v[4]);
        e[6]=BRepBuilderAPI_MakeEdge(v[2],v[6]);
        e[7]=BRepBuilderAPI_MakeEdge(v[3],v[6]);
        e[8]=BRepBuilderAPI_MakeEdge(v[4],v[6]);

        TopoDS_Wire w[5];
        w[0]=BRepBuilderAPI_MakeWire(e[0],e[1],e[2],e[3]);
        w[1]=BRepBuilderAPI_MakeWire(e[0],e[4],e[5]);
        w[2]=BRepBuilderAPI_MakeWire(e[2],e[6],e[7]);
        w[3]=BRepBuilderAPI_MakeWire(e[3],e[4],e[8],e[7]);
        w[4]=BRepBuilderAPI_MakeWire(e[1],e[5],e[8],e[6]);

        BRep_Builder BB;
#if 0
        TopoDS_Compound result;
        BB.MakeCompound(result);
        for(int i=0;i<5;i++) {
            BB.Add(result,BRepBuilderAPI_MakeFace(w[i]));
        }
        shape=result;
#else
        TopoDS_Shell shell;
        BB.MakeShell(shell);
        for(int i=0;i<5;i++) {
            TopoDS_Face f=BRepBuilderAPI_MakeFace(w[i]);
            BB.Add(shell,f); //i? f:f.Reversed());
        }
        TopoDS_Solid solid;
        BB.MakeSolid(solid);
        BB.Add(solid,shell);
        ShapeFix_Solid sf(solid);
        sf.Perform();
        shape=sf.Solid();
#endif
        } break;
    default:
        cerr << "Unhandled arb8 type n=" << arbn << '\n';
    }
}
コード例 #5
0
//=======================================================================
//function : MakeScaledPrism
//purpose  :
//=======================================================================
TopoDS_Shape GEOMImpl_PrismDriver::MakeScaledPrism (const TopoDS_Shape& theShapeBase,
                                                    const gp_Vec&       theVector,
                                                    const Standard_Real theScaleFactor,
                                                    const gp_Pnt&       theCDG,
                                                    bool                isCDG)
{
  TopoDS_Shape aShape;
  BRep_Builder B;

  // 1. aCDG = geompy.MakeCDG(theBase)
  gp_Pnt aCDG = theCDG;
  if (!isCDG) {
    gp_Ax3 aPos = GEOMImpl_IMeasureOperations::GetPosition(theShapeBase);
    aCDG = aPos.Location();
  }
  TopoDS_Shape aShapeCDG_1 = BRepBuilderAPI_MakeVertex(aCDG).Shape();

  // Process case of several given shapes
  if (theShapeBase.ShapeType() == TopAbs_COMPOUND ||
      theShapeBase.ShapeType() == TopAbs_SHELL) {
    int nbSub = 0;
    TopoDS_Shape aShapeI;
    TopoDS_Compound aCompound;
    B.MakeCompound(aCompound);
    TopoDS_Iterator It (theShapeBase, Standard_True, Standard_True);
    for (; It.More(); It.Next()) {
      nbSub++;
      aShapeI = MakeScaledPrism(It.Value(), theVector, theScaleFactor, aCDG, true);
      B.Add(aCompound, aShapeI);
    }
    if (nbSub == 1)
      aShape = aShapeI;
    else if (nbSub > 1)
      aShape = GEOMImpl_GlueDriver::GlueFaces(aCompound, Precision::Confusion(), Standard_True);
    return aShape;
  }

  // 2. Scale = geompy.MakeScaleTransform(theBase, aCDG, theScaleFactor)

  // Bug 6839: Check for standalone (not included in faces) degenerated edges
  TopTools_IndexedDataMapOfShapeListOfShape aEFMap;
  TopExp::MapShapesAndAncestors(theShapeBase, TopAbs_EDGE, TopAbs_FACE, aEFMap);
  Standard_Integer i, nbE = aEFMap.Extent();
  for (i = 1; i <= nbE; i++) {
    TopoDS_Shape anEdgeSh = aEFMap.FindKey(i);
    if (BRep_Tool::Degenerated(TopoDS::Edge(anEdgeSh))) {
      const TopTools_ListOfShape& aFaces = aEFMap.FindFromIndex(i);
      if (aFaces.IsEmpty())
        Standard_ConstructionError::Raise
          ("Scaling aborted : cannot scale standalone degenerated edge");
    }
  }

  // Perform Scaling
  gp_Trsf aTrsf;
  aTrsf.SetScale(aCDG, theScaleFactor);
  BRepBuilderAPI_Transform aBRepTrsf (theShapeBase, aTrsf, Standard_False);
  TopoDS_Shape aScale = aBRepTrsf.Shape();

  // 3. aBase2 = geompy.MakeTranslationVectorDistance(Scale, theVec, theH)
  gp_Trsf aTrsf3;
  aTrsf3.SetTranslation(theVector);
  TopLoc_Location aLocOrig = aScale.Location();
  gp_Trsf aTrsfOrig = aLocOrig.Transformation();
  TopLoc_Location aLocRes (aTrsf3 * aTrsfOrig);
  TopoDS_Shape aBase2 = aScale.Located(aLocRes);

  // 4. aCDG_2 = geompy.MakeTranslationVectorDistance(aCDG, theVec, theH)
  gp_Pnt aCDG_2 = aCDG.Translated(theVector);
  TopoDS_Shape aShapeCDG_2 = BRepBuilderAPI_MakeVertex(aCDG_2).Shape();

  // 5. Vector = geompy.MakeVector(aCDG, aCDG_2)
  TopoDS_Shape aShapeVec = BRepBuilderAPI_MakeEdge(aCDG, aCDG_2).Shape();
  TopoDS_Edge anEdge = TopoDS::Edge(aShapeVec);
  TopoDS_Wire aWirePath = BRepBuilderAPI_MakeWire(anEdge);

  // 6. aPrism = geompy.MakePipeWithDifferentSections([theBase, aBase2], [aCDG, aCDG_2], Vector, False, False)
  Handle(TopTools_HSequenceOfShape) aBases = new TopTools_HSequenceOfShape;
  aBases->Append(theShapeBase);
  aBases->Append(aBase2);

  Handle(TopTools_HSequenceOfShape) aLocs = new TopTools_HSequenceOfShape;
  aLocs->Append(aShapeCDG_1);
  aLocs->Append(aShapeCDG_2);

  aShape = GEOMImpl_PipeDriver::CreatePipeWithDifferentSections(aWirePath, aBases, aLocs, false, false);

  // 7. Make a solid, if possible
  if (theShapeBase.ShapeType() == TopAbs_FACE) {
    BRepBuilderAPI_Sewing aSewing (Precision::Confusion()*10.0);
    TopExp_Explorer expF (aShape, TopAbs_FACE);
    Standard_Integer ifa = 0;
    for (; expF.More(); expF.Next()) {
      aSewing.Add(expF.Current());
      ifa++;
    }
    if (ifa > 0) {
      aSewing.Perform();
      TopoDS_Shape aShell;

      TopoDS_Shape sh = aSewing.SewedShape();
      if (sh.ShapeType() == TopAbs_FACE && ifa == 1) {
        // case for creation of shell from one face
        TopoDS_Shell ss;
        B.MakeShell(ss);
        B.Add(ss,sh);
        aShell = ss;
      }
      else {
        TopExp_Explorer exp (sh, TopAbs_SHELL);
        Standard_Integer ish = 0;
        for (; exp.More(); exp.Next()) {
          aShell = exp.Current();
          ish++;
        }
        if (ish != 1)
          aShell = sh;
      }
      BRepCheck_Shell chkShell (TopoDS::Shell(aShell));
      if (chkShell.Closed() == BRepCheck_NoError) {
        TopoDS_Solid Sol;
        B.MakeSolid(Sol);
        B.Add(Sol, aShell);
        BRepClass3d_SolidClassifier SC (Sol);
        SC.PerformInfinitePoint(Precision::Confusion());
        if (SC.State() == TopAbs_IN) {
          B.MakeSolid(Sol);
          B.Add(Sol, aShell.Reversed());
        }
        aShape = Sol;
      }
    }
  }

  return aShape;
}
コード例 #6
0
//=======================================================================
//function :FillInternalShapes
//purpose  :
//=======================================================================
  void GEOMAlgo_Builder::FillInternalShapes()
{
  myErrorStatus=0;
  //
  const NMTDS_ShapesDataStructure& aDS=*myPaveFiller->DS();
  NMTTools_PaveFiller* pPF=myPaveFiller;
  const Handle(IntTools_Context)& aCtx= pPF->Context();
  //
  //Standard_Boolean bHasImage;
  Standard_Integer i, j, jT, aNbS, aNbSI, aNbSx, aNbSd;
  TopAbs_ShapeEnum aType, aT[]={ TopAbs_VERTEX, TopAbs_EDGE };
  TopAbs_State aState;
  TopTools_ListIteratorOfListOfShape aIt, aIt1;
  TopTools_IndexedDataMapOfShapeListOfShape aMSx;
  TopTools_IndexedMapOfShape aMx;
  TopTools_MapOfShape aMSI, aMFence, aMSOr;
  TopTools_MapIteratorOfMapOfShape aItM;
  TopTools_ListOfShape aLSI, aLSd;
  TopoDS_Iterator aItS;
  BRep_Builder aBB;
  //
  // 1. Shapes to process
  //
  // 1.1 Shapes from pure arguments aMSI
  // 1.1.1 vertex, edge
  for (i=0; i<2; ++i) {
    jT=(Standard_Integer)aT[i];
    const TopTools_ListOfShape &aLS=myShapes1[jT];
    aIt.Initialize(aLS);
    for (; aIt.More(); aIt.Next()) {
      const TopoDS_Shape& aS=aIt.Value();
      if (aMFence.Add(aS)) {
        aLSI.Append(aS);
      }
    }
  }
  // 1.1.2 wire
  {
    jT=(Standard_Integer)TopAbs_WIRE;
    const TopTools_ListOfShape &aLW=myShapes1[jT];
    aIt.Initialize(aLW);
    for (; aIt.More(); aIt.Next()) {
      const TopoDS_Shape& aW=aIt.Value();
      aItS.Initialize(aW);
      for (; aItS.More(); aItS.Next()) {
        const TopoDS_Shape& aE=aItS.Value();
        if (aMFence.Add(aE)) {
          aLSI.Append(aE);
        }
      }
    }
  }
  // 1.1.3 theirs images/sources
  aIt1.Initialize(aLSI);
  for (; aIt1.More(); aIt1.Next()) {
    const TopoDS_Shape& aS=aIt1.Value();
    if (myImages.HasImage(aS)) {
      const TopTools_ListOfShape &aLSp=myImages.Image(aS);
      aIt.Initialize(aLSp);
      for (; aIt.More(); aIt.Next()) {
        const TopoDS_Shape& aSI=aIt.Value();
        aMSI.Add(aSI);
      }
    }
    else {
      aMSI.Add(aS);
    }
  }
  aLSI.Clear();
  aNbSI=aMSI.Extent();
  //
  // 2. Internal vertices, edges from source solids
  aMFence.Clear();
  aLSd.Clear();
  //
  aNbS=aDS.NumberOfShapesOfTheObject();
  for (i=1; i<=aNbS; ++i) {
    const TopoDS_Shape& aS=aDS.Shape(i);
    aType=aS.ShapeType();
    if (aType==TopAbs_SOLID) {
      //
      aMx.Clear();
      OwnInternalShapes(aS, aMx);
      //
      aNbSx=aMx.Extent();
      for (j=1; j<=aNbSx; ++j) {
        const TopoDS_Shape& aSI=aMx(j);
        if (myImages.HasImage(aSI)) {
          const TopTools_ListOfShape &aLSp=myImages.Image(aSI);
          aIt.Initialize(aLSp);
          for (; aIt.More(); aIt.Next()) {
            const TopoDS_Shape& aSp=aIt.Value();
            aMSI.Add(aSp);
          }
        }
        else {
          aMSI.Add(aSI);
        }
      }
      //
      // build aux map from splits of solids
      if (myImages.HasImage(aS)) {
        const TopTools_ListOfShape &aLSp=myImages.Image(aS);
        aIt.Initialize(aLSp);
        for (; aIt.More(); aIt.Next()) {
          const TopoDS_Shape& aSp=aIt.Value();
          if (aMFence.Add(aSp)) {
            TopExp::MapShapesAndAncestors(aSp, TopAbs_VERTEX, TopAbs_EDGE, aMSx);
            TopExp::MapShapesAndAncestors(aSp, TopAbs_VERTEX, TopAbs_FACE, aMSx);
            TopExp::MapShapesAndAncestors(aSp, TopAbs_EDGE  , TopAbs_FACE, aMSx);
            aLSd.Append(aSp);
          }
        }
      }
      else {
        if (aMFence.Add(aS)) {
          TopExp::MapShapesAndAncestors(aS, TopAbs_VERTEX, TopAbs_EDGE, aMSx);
          TopExp::MapShapesAndAncestors(aS, TopAbs_VERTEX, TopAbs_FACE, aMSx);
          TopExp::MapShapesAndAncestors(aS, TopAbs_EDGE  , TopAbs_FACE, aMSx);
          aLSd.Append(aS);
          aMSOr.Add(aS);
        }
      }
    }//if (aType==TopAbs_SOLID)
  }
  //
  aNbSd=aLSd.Extent();
  //
  // 3. Some shapes of aMSI can be already tied with faces of
  //    split solids
  aItM.Initialize(aMSI);
  for (; aItM.More(); aItM.Next()) {
    const TopoDS_Shape& aSI=aItM.Key();
    if (aMSx.Contains(aSI)) {
      const TopTools_ListOfShape &aLSx=aMSx.FindFromKey(aSI);
      aNbSx=aLSx.Extent();
      if (aNbSx) {
        aMSI.Remove(aSI);
      }
    }
  }
  //
  // 4. Just check it
  aNbSI=aMSI.Extent();
  if (!aNbSI) {
    return;
  }
  //
  // 5 Settle internal vertices and edges into solids
  aMx.Clear();
  aIt.Initialize(aLSd);
  for (; aIt.More(); aIt.Next()) {
    TopoDS_Solid aSd=TopoDS::Solid(aIt.Value());
    //
    aItM.Initialize(aMSI);
    for (; aItM.More(); aItM.Next()) {
      TopoDS_Shape aSI=aItM.Key();
      aSI.Orientation(TopAbs_INTERNAL);
      //
      aState=GEOMAlgo_Tools3D::ComputeStateByOnePoint(aSI, aSd, 1.e-11, aCtx);
      if (aState==TopAbs_IN) {
        //
        if(aMSOr.Contains(aSd)) {
          //
          TopoDS_Solid aSdx;
          //
          aBB.MakeSolid(aSdx);
          aItS.Initialize(aSd);
          for (; aItS.More(); aItS.Next()) {
            const TopoDS_Shape& aSh=aItS.Value();
            aBB.Add(aSdx, aSh);
          }
          //
          aBB.Add(aSdx, aSI);
          //
          myImages.Bind(aSd, aSdx);
          aMSOr.Remove(aSd);
          aSd=aSdx;
        }
        else {
          aBB.Add(aSd, aSI);
        }
        //
        aMSI.Remove(aSI);
      } //if (aState==TopAbs_IN) {
    }// for (; aItM.More(); aItM.Next()) {
  }//for (; aIt1.More(); aIt1.Next()) {
}
コード例 #7
0
//=======================================================================
//function : FillIn3DParts
//purpose  :
//=======================================================================
  void GEOMAlgo_Builder::FillIn3DParts()
{
  myErrorStatus=0;
  //
  const NMTDS_ShapesDataStructure& aDS=*myPaveFiller->DS();
  NMTTools_PaveFiller* pPF=myPaveFiller;
  const Handle(IntTools_Context)& aCtx= pPF->Context();
  //
  Standard_Boolean bIsIN, bHasImage;
  Standard_Integer aNbS, aNbSolids, i, j, aNbFaces, aNbFP, aNbFPx, aNbFIN, aNbLIF;
  TopAbs_ShapeEnum aType;
  TopAbs_State aState;
  TopTools_IndexedMapOfShape aMSolids, aMS, aMFaces, aMFIN;
  TopTools_MapOfShape aMFDone;
  TopTools_IndexedDataMapOfShapeListOfShape aMEF;
  TopTools_ListIteratorOfListOfShape aItS;
  TopoDS_Iterator aIt, aItF;
  BRep_Builder aBB;
  TopoDS_Solid aSolidSp;
  TopoDS_Face aFP;
  //
  myDraftSolids.Clear();
  //
  aNbS=aDS.NumberOfShapesOfTheObject();
  for (i=1; i<=aNbS; ++i) {
    const TopoDS_Shape& aS=aDS.Shape(i);
    //
    aType=aS.ShapeType();
    if (aType==TopAbs_SOLID) {
      // all solids from DS
      aMSolids.Add(aS);
    }
    else if (aType==TopAbs_FACE) {
      // all faces (originals from DS or theirs images)
      if (myImages.HasImage(aS)) {
        const TopTools_ListOfShape& aLS=myImages.Image(aS);
        aItS.Initialize(aLS);
        for (; aItS.More(); aItS.Next()) {
          const TopoDS_Shape& aFx=aItS.Value();
          //
          if (mySameDomainShapes.Contains(aFx)) {
            const TopoDS_Shape& aFSDx=mySameDomainShapes.FindFromKey(aFx);
            aMFaces.Add(aFSDx);
          }
          else {
            aMFaces.Add(aFx);
          }
        }
      }
      else {
        if (mySameDomainShapes.Contains(aS)) {
          const TopoDS_Shape& aFSDx=mySameDomainShapes.FindFromKey(aS);
          aMFaces.Add(aFSDx);
        }
        else {
          aMFaces.Add(aS);
        }
      }
    }
  }
  //
  aNbFaces=aMFaces.Extent();
  aNbSolids=aMSolids.Extent();
  //
  for (i=1; i<=aNbSolids; ++i) {
    const TopoDS_Solid& aSolid=TopoDS::Solid(aMSolids(i));
    aMFDone.Clear();
    aMFIN.Clear();
    aMEF.Clear();
    //
    aBB.MakeSolid(aSolidSp);
    //
    TopTools_ListOfShape aLIF;
    //
    BuildDraftSolid(aSolid, aSolidSp, aLIF);
    aNbLIF=aLIF.Extent();
    //
    // 1 all faces/edges from aSolid [ aMS ]
    bHasImage=Standard_False;
    aMS.Clear();
    aIt.Initialize(aSolid);
    for (; aIt.More(); aIt.Next()) {
      const TopoDS_Shape& aShell=aIt.Value();
      //
      if (myImages.HasImage(aShell)) {
        bHasImage=Standard_True;
        //
        const TopTools_ListOfShape& aLS=myImages.Image(aShell);
        aItS.Initialize(aLS);
        for (; aItS.More(); aItS.Next()) {
          const TopoDS_Shape& aSx=aItS.Value();
          aMS.Add(aSx);
          TopExp::MapShapes(aSx, TopAbs_FACE, aMS);
          TopExp::MapShapes(aSx, TopAbs_EDGE, aMS);
          TopExp::MapShapesAndAncestors(aSx, TopAbs_EDGE, TopAbs_FACE, aMEF);
        }
      }
      else {
        //aMS.Add(aShell);
        TopExp::MapShapes(aShell, TopAbs_FACE, aMS);
        //modified by NIZNHY-PKV Fri Dec 03 11:18:45 2010f
        TopExp::MapShapes(aShell, TopAbs_EDGE, aMS);
        //modified by NIZNHY-PKV Fri Dec 03 11:18:51 2010t
        TopExp::MapShapesAndAncestors(aShell, TopAbs_EDGE, TopAbs_FACE, aMEF);
      }
    }
    //
    // 2 all faces that are not from aSolid [ aLFP1 ]
    Standard_Integer aNbEFP;
    TopTools_IndexedDataMapOfShapeListOfShape aMEFP;
    TopTools_ListIteratorOfListOfShape aItFP, aItEx;
    TopTools_MapOfShape aMFence;
    TopTools_ListOfShape aLFP1, aLFP2, aLFP, aLCBF, aLFIN, aLEx;//*pLFP,
    //
    // for all non-solid faces build EF map [ aMEFP ]
    for (j=1; j<=aNbFaces; ++j) {
      const TopoDS_Shape& aFace=aMFaces(j);
      if (!aMS.Contains(aFace)) {
        TopExp::MapShapesAndAncestors(aFace, TopAbs_EDGE, TopAbs_FACE, aMEFP);
      }
    }
    //
    // among all faces from aMEFP select these that have same edges
    // with the solid (i.e aMEF). These faces will be treated first
    // to prevent the usage of 3D classifier.
    // The full list of faces to process is aLFP1.
    aNbEFP=aMEFP.Extent();
    for (j=1; j<=aNbEFP; ++j) {
      const TopoDS_Shape& aE=aMEFP.FindKey(j);
      //
      if (aMEF.Contains(aE)) { // !!
        const TopTools_ListOfShape& aLF=aMEFP(j);
        aItFP.Initialize(aLF);
        for (; aItFP.More(); aItFP.Next()) {
          const TopoDS_Shape& aF=aItFP.Value();
          if (aMFence.Add(aF)) {
            aLFP1.Append(aF);
          }
        }
      }
      else {
        aLEx.Append(aE);
      }
    }
    //
    aItEx.Initialize(aLEx);
    for (; aItEx.More(); aItEx.Next()) {
      const TopoDS_Shape& aE=aItEx.Value();
      const TopTools_ListOfShape& aLF=aMEFP.FindFromKey(aE);
      aItFP.Initialize(aLF);
      for (; aItFP.More(); aItFP.Next()) {
        const TopoDS_Shape& aF=aItFP.Value();
        if (aMFence.Add(aF)) {
          aLFP2.Append(aF);
        }
      }
    }
    aLFP1.Append(aLFP2);
    //==========
    //
    // 3 Process faces aLFP1
    aNbFP=aLFP1.Extent();
    aItFP.Initialize(aLFP1);
    for (; aItFP.More(); aItFP.Next()) {
      const TopoDS_Shape& aSP=aItFP.Value();
      if (!aMFDone.Add(aSP)) {
        continue;
      }

      //
      // first face to process
      aFP=TopoDS::Face(aSP);
      bIsIN= GEOMAlgo_Tools3D::IsInternalFace(aFP, aSolidSp, aMEF, 1.e-14, aCtx);
      aState=(bIsIN) ? TopAbs_IN : TopAbs_OUT;
      //
      // collect faces to process [ aFP is the first ]
      aLFP.Clear();
      aLFP.Append(aFP);
      aItS.Initialize(aLFP1);
      for (; aItS.More(); aItS.Next()) {
        const TopoDS_Shape& aSk=aItS.Value();
        if (!aMFDone.Contains(aSk)) {
          aLFP.Append(aSk);
        }
      }
      //
      // Connexity Block that spreads from aFP the Bound
      // or till the end of the block itself
      aLCBF.Clear();
      GEOMAlgo_Tools3D::MakeConnexityBlock(aLFP, aMS, aLCBF);
      //
      // fill states for the Connexity Block
      aItS.Initialize(aLCBF);
      for (; aItS.More(); aItS.Next()) {
        const TopoDS_Shape& aSx=aItS.Value();
        aMFDone.Add(aSx);
        if (aState==TopAbs_IN) {
          aMFIN.Add(aSx);
        }
      }
      //
      aNbFPx=aMFDone.Extent();
      if (aNbFPx==aNbFP) {
        break;
      }
    }//for (; aItFP.More(); aItFP.Next())
    //
    // faces Inside aSolid
    aLFIN.Clear();
    aNbFIN=aMFIN.Extent();
    if (aNbFIN || aNbLIF) {
      for (j=1; j<=aNbFIN; ++j) {
        const TopoDS_Shape& aFIN=aMFIN(j);
        aLFIN.Append(aFIN);
      }
      //
      aItS.Initialize(aLIF);
      for (; aItS.More(); aItS.Next()) {
        const TopoDS_Shape& aFIN=aItS.Value();
        aLFIN.Append(aFIN);
      }
      //
      myInParts.Add(aSolid, aLFIN);
    }
    if (aNbFIN || bHasImage) {
      myDraftSolids.Add(aSolid, aSolidSp);
    }
  }//for (i=1; i<=aNbSolids; ++i) { // next solid
}
コード例 #8
0
Standard_Boolean ShHealOper_RemoveFace::removeFaces(const TopoDS_Shape& theShape,
                                                    TopoDS_Shape& theNewShape)
{
  Standard_Boolean isDone = Standard_False;
  
  TopAbs_ShapeEnum aType = theShape.ShapeType();
  theNewShape = theShape;
  if(!myMapFaces.Extent())
    return isDone;
  if( aType == TopAbs_WIRE || aType == TopAbs_EDGE || aType == TopAbs_VERTEX)
      return isDone;
  if(aType == TopAbs_FACE && myMapFaces.Contains(theShape)) {
    removePCurve(TopoDS::Face(theShape));
    
    myContext->Remove(theShape);
    myMapFaces.Remove(theShape);
    //theNewShape = TopoDS_Shape();
    theNewShape.Nullify();
    isDone = Standard_True;
  }
  else if(aType == TopAbs_SHELL) {
    isDone = removeFaces(TopoDS::Shell(theShape),theNewShape);
    return isDone;
  }
  else if(aType == TopAbs_SOLID) {
    isDone = removeFaces(TopoDS::Solid(theShape),theNewShape);
    myContext->Replace(theShape,theNewShape);
  }
  else if(aType == TopAbs_COMPSOLID) {

    //in the case of compsolid method for removing faces for solid
    //will be used.

    TopExp_Explorer aExpShell(theShape,TopAbs_SHELL);
    TopoDS_Solid aSol;
    BRep_Builder aB;
    aB.MakeSolid(aSol);
    for( ; aExpShell.More(); aExpShell.Next()) {
      aB.Add(aSol,aExpShell.Current());
    }
    TopoDS_Shape aNewShape;
    isDone =  removeFaces(aSol,aNewShape);
    if(isDone)
       myContext->Replace(theShape,theNewShape);
    
  }
  else if(aType == TopAbs_COMPOUND) {
    //in the case of compounf faces will be removed from each part of compound separately

    TopoDS_Compound aComp;
    TopoDS_Iterator aItShape(theShape,Standard_False);
    BRep_Builder aB;
    aB.MakeCompound(aComp);
    Standard_Integer nbs =0;
    for( ; aItShape.More() ; aItShape.Next()) {

      TopoDS_Shape aNShape;
      if( removeFaces(aItShape.Value(),aNShape)) {
        isDone = Standard_True;
        myContext->Replace(aItShape.Value(),aNShape);
      }
      if(!aNShape.IsNull()) {
        aB.Add(aComp,aNShape);
        nbs++;
      }
    }
    if(isDone) {
      if(nbs) 
        theNewShape = aComp;
      else
        theNewShape =TopoDS_Shape();
      myContext->Replace(theShape,theNewShape);
    }
   
  }
  return isDone;
}