コード例 #1
0
//=======================================================================
// function: UpdatePaveBlocks
// purpose:
//=======================================================================
void NMTTools_PaveFiller::UpdatePaveBlocks()
{
  myIsDone=Standard_False;
  //
  Standard_Integer i, aNbFFs, nF1, nF2, aNbF, nF, iRankF, nE, nV1, nV2, aNbPB;
  Standard_Real aT1, aT2;
  TColStd_IndexedMapOfInteger aMF, aME;
  TopExp_Explorer aExp;
  TopoDS_Vertex aV1, aV2;
  TopoDS_Edge aE;
  BOPTools_Pave aPave1, aPave2;
  BOPTools_PaveBlock aPB;
  //
  BOPTools_CArray1OfSSInterference& aFFs=myIP->SSInterferences();
  //
  aNbFFs=aFFs.Extent();
  for (i=1; i<=aNbFFs; ++i) {
    BOPTools_SSInterference& aFFi=aFFs(i);
    aFFi.Indices(nF1, nF2);
    aMF.Add(nF1);
    aMF.Add(nF2);
  }
  //
  aNbF=aMF.Extent();
  for(i=1; i<=aNbF; ++i) {
    nF=aMF(i);
    iRankF=myDS->Rank(nF);
    const TopoDS_Shape aF=myDS->Shape(nF);//mpv
    aExp.Init(aF, TopAbs_EDGE);
    for(; aExp.More();  aExp.Next()) {
      aE=TopoDS::Edge(aExp.Current());
      //
      if (BRep_Tool::Degenerated(aE)) {
        continue;
      }
      //
      nE=myDS->ShapeIndex(aE, iRankF);
      //
      if (aME.Contains(nE)) {
        continue;
      }
      aME.Add(nE);
      //
      BOPTools_ListOfPaveBlock& aLPB=mySplitShapesPool(myDS->RefEdge(nE));
      aNbPB=aLPB.Extent();
      if (aNbPB) {
        continue;
      }
      TopExp::Vertices(aE, aV1, aV2);
      //
      nV1=myDS->ShapeIndex(aV1, iRankF);
      aT1=BRep_Tool::Parameter(aV1, aE);
      aPave1.SetIndex(nV1);
      aPave1.SetParam(aT1);
      //
      nV2=myDS->ShapeIndex(aV2, iRankF);
      aT2=BRep_Tool::Parameter(aV2, aE);
      aPave2.SetIndex(nV2);
      aPave2.SetParam(aT2);
      //
      aPB.SetEdge(nE);
      aPB.SetOriginalEdge(nE);
      aPB.SetPave1(aPave1);
      aPB.SetPave2(aPave2);
      //
      aLPB.Append(aPB);
    }
  }
}
コード例 #2
0
//=======================================================================
// function: MakeAloneVertices
// purpose:
//=======================================================================
void NMTTools_PaveFiller::MakeAloneVertices()
{
  Standard_Integer i, aNbFFs, nF1, nF2, j, aNbPnts, nFx, aNbV;
  Standard_Real aTolF1, aTolF2, aTolSum, aTolV;
  TColStd_ListIteratorOfListOfInteger aIt;
  TColStd_ListOfInteger aLI;
  TopoDS_Vertex aV;
  TopoDS_Compound aCompound;
  BRep_Builder aBB;
  TopTools_DataMapOfShapeListOfInteger aDMVFF, aDMVFF1;
  TopTools_DataMapIteratorOfDataMapOfShapeListOfInteger aItDMVFF;
  TopTools_DataMapOfShapeShape aDMVV;
  TopTools_DataMapOfIntegerShape aDMIV;
  TopTools_DataMapOfShapeInteger aDMVI;
  TopTools_DataMapIteratorOfDataMapOfShapeInteger aItDMVI;
  TopTools_DataMapIteratorOfDataMapOfIntegerShape aItDMIV;
  //
  aBB.MakeCompound(aCompound);
  //
  myAloneVertices.Clear();
  //
  BOPTools_CArray1OfSSInterference& aFFs=myIP->SSInterferences();
  //
  // 1. Collect alone vertices from FFs
  aNbV=0;
  aNbFFs=aFFs.Extent();
  for (i=1; i<=aNbFFs; ++i) {
    BOPTools_SSInterference& aFFi=aFFs(i);
    aFFi.Indices(nF1, nF2);
    //
    const TopoDS_Face aF1=TopoDS::Face(myDS->Shape(nF1));//mpv
    const TopoDS_Face aF2=TopoDS::Face(myDS->Shape(nF2));//mpv
    //
    aTolF1=BRep_Tool::Tolerance(aF1);
    aTolF2=BRep_Tool::Tolerance(aF2);
    aTolSum=aTolF1+aTolF2;
    //
    aLI.Clear();
    aLI.Append(nF1);
    aLI.Append(nF2);
    //
    const IntTools_SequenceOfPntOn2Faces& aSeqAlonePnts=aFFi.AlonePnts();
    aNbPnts=aSeqAlonePnts.Length();
    for (j=1; j<=aNbPnts; ++j) {
      const gp_Pnt& aP=aSeqAlonePnts(j).P1().Pnt();
      BOPTools_Tools::MakeNewVertex(aP, aTolSum, aV);
      aDMVFF.Bind(aV, aLI);
      aBB.Add(aCompound, aV);
      ++aNbV;
    }
  }
  if (!aNbV) {
    return;
  }
  //
  // 2. Try to fuse alone vertices themselves;
  FuseVertices(aCompound, aDMVV);
  //
  // if some are fused, replace them by new ones
  aItDMVFF.Initialize(aDMVFF);
  for (;  aItDMVFF.More(); aItDMVFF.Next()) {
    const TopoDS_Shape& aVx=aItDMVFF.Key();
    const TColStd_ListOfInteger& aLIx=aItDMVFF.Value();
    //
    if (!aDMVV.IsBound(aVx)) {
      aDMVFF1.Bind(aVx, aLIx);
    }
    else {
      const TopoDS_Shape& aVy=aDMVV.Find(aVx);

      if (aDMVFF1.IsBound(aVy)) {
        TColStd_ListOfInteger& aLIy=aDMVFF1.ChangeFind(aVy);
        aIt.Initialize(aLIx);
        for(; aIt.More(); aIt.Next()) {
          nFx=aIt.Value();
          aLIy.Append(nFx);
        }
      }
      else {
        aDMVFF1.Bind(aVy, aLIx);
      }
    }
  }
  aDMVFF.Clear();
  //
  // refine lists of faces in aDMVFF1;
  aItDMVFF.Initialize(aDMVFF1);
  for (;  aItDMVFF.More(); aItDMVFF.Next()) {
    TColStd_MapOfInteger aMIy;
    TColStd_ListOfInteger aLIy;
    //
    const TopoDS_Shape& aVx=aItDMVFF.Key();
    TColStd_ListOfInteger& aLIx=aDMVFF1.ChangeFind(aVx);
    aIt.Initialize(aLIx);
    for(; aIt.More(); aIt.Next()) {
      nFx=aIt.Value();
      if (aMIy.Add(nFx)) {
        aLIy.Append(nFx);
      }
    }
    aLIx.Clear();
    aLIx.Append(aLIy);
  }
  //==================================
  //
  // 3. Collect vertices from DS
  Standard_Integer aNbS, nV, nVSD, aNbVDS, i1, i2, aNbVSD;
  //
  aNbS=myDS->NumberOfShapesOfTheObject();
  // old shapes
  for (i=1; i<=aNbS; ++i) {
    const TopoDS_Shape& aS=myDS->Shape(i);
    if (aS.ShapeType() != TopAbs_VERTEX){
      continue;
    }
    //
    nVSD=FindSDVertex(i);
    nV=(nVSD) ? nVSD : i;
    const TopoDS_Shape& aVx=myDS->Shape(nV);
    if (!aDMVI.IsBound(aVx)) {
      aDMVI.Bind(aVx, nV);
    }
  }
  // new shapes
  i1=myDS->NumberOfSourceShapes()+1;
  i2=myDS->NumberOfInsertedShapes();
  for (i=i1; i<=i2; ++i) {
    const TopoDS_Shape aS=myDS->Shape(i);//mpv
    if (aS.ShapeType() != TopAbs_VERTEX){
      continue;
    }
    if (!aDMVI.IsBound(aS)) {
      aDMVI.Bind(aS, i);
    }
  }
  //
  // 4. Initialize BoundSortBox on aDMVI
  //
  Handle(Bnd_HArray1OfBox) aHAB;
  Bnd_BoundSortBox aBSB;
  //
  aNbVDS=aDMVI.Extent();
  aHAB=new Bnd_HArray1OfBox(1, aNbVDS);
  //
  aItDMVI.Initialize(aDMVI);
  for (i=1; aItDMVI.More(); aItDMVI.Next(), ++i) {
    Bnd_Box aBox;
    //
    nV=aItDMVI.Value();
    aV=TopoDS::Vertex(aItDMVI.Key());
    aTolV=BRep_Tool::Tolerance(aV);
    aBox.SetGap(aTolV);
    BRepBndLib::Add(aV, aBox);
    aHAB->SetValue(i, aBox);
    //
    aDMIV.Bind(i, aV);
  }
  aBSB.Initialize(aHAB);
  //
  // 5. Compare
  aItDMVFF.Initialize(aDMVFF1);
  for (;  aItDMVFF.More(); aItDMVFF.Next()) {
    Bnd_Box aBoxV;
    //
    const TColStd_ListOfInteger& aLIFF=aItDMVFF.Value();
    aV=TopoDS::Vertex(aItDMVFF.Key());
    //
    aTolV=BRep_Tool::Tolerance(aV);
    aBoxV.SetGap(aTolV);
    BRepBndLib::Add(aV, aBoxV);
    //
    const TColStd_ListOfInteger& aLIVSD=aBSB.Compare(aBoxV);
    aNbVSD=aLIVSD.Extent();
    if (aNbVSD==0) {
      // add new vertex in DS and update map myAloneVertices
      BooleanOperations_AncestorsSeqAndSuccessorsSeq anASSeq;
      //
      myDS->InsertShapeAndAncestorsSuccessors(aV, anASSeq);
      nV=myDS->NumberOfInsertedShapes();
      //
      aIt.Initialize(aLIFF);
      for (; aIt.More(); aIt.Next()) {
        nFx=aIt.Value();
        if (myAloneVertices.Contains(nFx)) {
          TColStd_IndexedMapOfInteger& aMVx=myAloneVertices.ChangeFromKey(nFx);
          aMVx.Add(nV);
        }
        else {
          TColStd_IndexedMapOfInteger aMVx;
          aMVx.Add(nV);
          myAloneVertices.Add(nFx, aMVx);
        }
      }
    }
  }
  // qqf
  {
    Standard_Integer aNbF, aNbAV, nF, k;
    NMTTools_IndexedDataMapOfIndexedMapOfInteger aMAVF;
    //
    aNbF=myAloneVertices.Extent();
    if (aNbF<2) {
      return;
    }
    //
    // 1. fill map Alone Vertex/Face ->  aMAVF
    for (i=1; i<=aNbF; ++i) {
      nF=myAloneVertices.FindKey(i);
      const TColStd_IndexedMapOfInteger& aMAV=myAloneVertices(i);
      aNbAV=aMAV.Extent();
      for(j=1; j<=aNbAV; ++j) {
        nV=aMAV(j);
        if (aMAVF.Contains(nV)) {
          TColStd_IndexedMapOfInteger& aMF=aMAVF.ChangeFromKey(nV);
          aMF.Add(nF);
        }
        else{
          TColStd_IndexedMapOfInteger aMF;
          aMF.Add(nF);
          aMAVF.Add(nV, aMF);
        }
      }
    }
    //
    // 2 Obtain pairs of faces
    aNbAV=aMAVF.Extent();
    for (i=1; i<=aNbAV; ++i) {
      const TColStd_IndexedMapOfInteger& aMF=aMAVF(i);
      aNbF=aMF.Extent();
      for(j=1; j<aNbF; ++j) {
        nF1=aMF(j);
        for(k=j+1; k<=aNbF; ++k) {
          nF2=aMF(k);
          myIP->Add(nF1, nF2, Standard_True, NMTDS_TI_FF);
        }
      }
    }
  }
  // qqt
}
コード例 #3
0
//=======================================================================
//function : Execute
//purpose  :
//=======================================================================
Standard_Integer GEOMImpl_ChamferDriver::Execute(TFunction_Logbook& log) const
{
  if (Label().IsNull()) return 0;
  Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());

  GEOMImpl_IChamfer aCI (aFunction);
  Standard_Integer aType = aFunction->GetType();

  TopoDS_Shape aShape;

  Handle(GEOM_Function) aRefShape = aCI.GetShape();
  TopoDS_Shape aShapeBase = aRefShape->GetValue();



  if (aType == CHAMFER_SHAPE_EDGES_2D)
  {
	BRepFilletAPI_MakeFillet2d fill;
	TopoDS_Face aFace;

	Standard_Boolean aWireFlag = Standard_False;
	
	if (aShapeBase.ShapeType() == TopAbs_FACE)
		aFace = TopoDS::Face(aShapeBase);
	else if (aShapeBase.ShapeType() == TopAbs_WIRE)
	{
		TopoDS_Wire aWire = TopoDS::Wire(aShapeBase);
		BRepBuilderAPI_MakeFace aMF(aWire);
		aMF.Build();
		if (!aMF.IsDone()) {
			StdFail_NotDone::Raise("Cannot build initial face from given wire");
		}
		aFace = aMF.Face();
		aWireFlag = Standard_True;
	}
	else
		StdFail_NotDone::Raise("Base shape is neither a face or a wire !");

	fill.Init(aFace);

	double aD1_2D = aCI.GetD1();
	double aD2_2D = aCI.GetD2();

	TopoDS_Shape aShapeFace1, aShapeFace2;

	if (GEOMImpl_ILocalOperations::GetSubShape(aShapeBase, aCI.Get2DEdge1(), aShapeFace1) &&
		GEOMImpl_ILocalOperations::GetSubShape(aShapeBase, aCI.Get2DEdge2(), aShapeFace2))
	{
		fill.AddChamfer(TopoDS::Edge(aShapeFace1), TopoDS::Edge(aShapeFace2), aD1_2D, aD2_2D);
	}
	else
		StdFail_NotDone::Raise("Cannot get 2d egde from sub-shape index!");

	fill.Build();
	if (!fill.IsDone()) {
		StdFail_NotDone::Raise("Chamfer can not be computed on the given shape with the given parameters");
	}
	if (aWireFlag)
	{
		BRepBuilderAPI_MakeWire MW;
		TopExp_Explorer exp (fill.Shape(), TopAbs_EDGE);
		for (; exp.More(); exp.Next())
			MW.Add(TopoDS::Edge(exp.Current()));
		MW.Build();
		if (!MW.IsDone())
			StdFail_NotDone::Raise("Resulting wire cannot be built");
			
		aShape = MW.Shape();
	}
	else
		aShape = fill.Shape();
  }
  else
  {
	  // Check the shape type. It have to be shell
	  // or solid, or compsolid, or compound of these shapes.
	  if (!isGoodForChamfer(aShapeBase)) {
		StdFail_NotDone::Raise
		  ("Wrong shape. Must be shell or solid, or compsolid or compound of these shapes");
	  }

	  BRepFilletAPI_MakeChamfer fill (aShapeBase);

	  if (aType == CHAMFER_SHAPE_ALL) {
		// symmetric chamfer on all edges
		double aD = aCI.GetD();
		TopTools_IndexedDataMapOfShapeListOfShape M;
		GEOMImpl_Block6Explorer::MapShapesAndAncestors(aShapeBase, TopAbs_EDGE, TopAbs_FACE, M);
		for (int i = 1; i <= M.Extent(); i++) {
		  TopoDS_Edge E = TopoDS::Edge(M.FindKey(i));
		  TopoDS_Face F = TopoDS::Face(M.FindFromIndex(i).First());
		  if (!BRepTools::IsReallyClosed(E, F) &&
			  !BRep_Tool::Degenerated(E) &&
			  M.FindFromIndex(i).Extent() == 2)
			fill.Add(aD, E, F);
		}
	  }else if (aType == CHAMFER_SHAPE_EDGE || aType == CHAMFER_SHAPE_EDGE_AD) {
		// chamfer on edges, common to two faces, with D1 on the first face

		TopoDS_Shape aFace1, aFace2;
		if (GEOMImpl_ILocalOperations::GetSubShape(aShapeBase, aCI.GetFace1(), aFace1) &&
			GEOMImpl_ILocalOperations::GetSubShape(aShapeBase, aCI.GetFace2(), aFace2))
		  {
		TopoDS_Face F = TopoDS::Face(aFace1);

		// fill map of edges of the second face
		TopTools_MapOfShape aMap;
		TopExp_Explorer Exp2 (aFace2, TopAbs_EDGE);
		for (; Exp2.More(); Exp2.Next()) {
		  aMap.Add(Exp2.Current());
		}
	
		// find edges of the first face, common with the second face
		TopExp_Explorer Exp (aFace1, TopAbs_EDGE);
		for (; Exp.More(); Exp.Next()) {
		  if (aMap.Contains(Exp.Current())) {
			TopoDS_Edge E = TopoDS::Edge(Exp.Current());
			if (!BRepTools::IsReallyClosed(E, F) && !BRep_Tool::Degenerated(E))
			  {
			if ( aType == CHAMFER_SHAPE_EDGE )
			  {
				double aD1 = aCI.GetD1();
				double aD2 = aCI.GetD2();
				fill.Add(aD1, aD2, E, F);
			  }
			else
			  {
				double aD = aCI.GetD();
				double anAngle = aCI.GetAngle();
				if ( (anAngle > 0) && (anAngle < (Standard_PI/2)) )
				  fill.AddDA(aD, anAngle, E, F);
			  }
			  }
		  }
		}
		  }
	  }
	  else if (aType == CHAMFER_SHAPE_FACES || aType == CHAMFER_SHAPE_FACES_AD) {
		// chamfer on all edges of the selected faces, with D1 on the selected face
		// (on first selected face, if the edge belongs to two selected faces)

		int aLen = aCI.GetLength();
		int ind = 1;
		TopTools_MapOfShape aMap;
		TopTools_IndexedDataMapOfShapeListOfShape M;
		GEOMImpl_Block6Explorer::MapShapesAndAncestors(aShapeBase, TopAbs_EDGE, TopAbs_FACE, M);
		for (; ind <= aLen; ind++)
		{
		  TopoDS_Shape aShapeFace;
		  if (GEOMImpl_ILocalOperations::GetSubShape(aShapeBase, aCI.GetFace(ind), aShapeFace))
		{
		  TopoDS_Face F = TopoDS::Face(aShapeFace);
		  TopExp_Explorer Exp (F, TopAbs_EDGE);
		  for (; Exp.More(); Exp.Next()) {
			if (!aMap.Contains(Exp.Current()))
			  {
			TopoDS_Edge E = TopoDS::Edge(Exp.Current());
			if (!BRepTools::IsReallyClosed(E, F) &&
				!BRep_Tool::Degenerated(E) &&
				M.FindFromKey(E).Extent() == 2)
			  if (aType == CHAMFER_SHAPE_FACES)
				{
				  double aD1 = aCI.GetD1();
				  double aD2 = aCI.GetD2();
				  fill.Add(aD1, aD2, E, F);
				}
			  else
				{
				  double aD = aCI.GetD();
				  double anAngle = aCI.GetAngle();
				  if ( (anAngle > 0) && (anAngle < (Standard_PI/2)) )
				fill.AddDA(aD, anAngle, E, F);
				}
			  }
		  }
		}
		}
	  }
	else if (aType == CHAMFER_SHAPE_EDGES || aType == CHAMFER_SHAPE_EDGES_AD)
	  {
		// chamfer on selected edges with lenght param D1 & D2.

		int aLen = aCI.GetLength();
		int ind = 1;
		TopTools_MapOfShape aMap;
		TopTools_IndexedDataMapOfShapeListOfShape M;
		GEOMImpl_Block6Explorer::MapShapesAndAncestors(aShapeBase, TopAbs_EDGE, TopAbs_FACE, M);
		for (; ind <= aLen; ind++)
		{
		  TopoDS_Shape aShapeEdge;
		  if (GEOMImpl_ILocalOperations::GetSubShape(aShapeBase, aCI.GetEdge(ind), aShapeEdge))
		{
		  TopoDS_Edge E = TopoDS::Edge(aShapeEdge);
		  const TopTools_ListOfShape& aFacesList = M.FindFromKey(E);
		  TopoDS_Face F = TopoDS::Face( aFacesList.First() );
		  if (aType == CHAMFER_SHAPE_EDGES)
			{
			  double aD1 = aCI.GetD1();
			  double aD2 = aCI.GetD2();
			  fill.Add(aD1, aD2, E, F);
			}
		  else
			{
			  double aD = aCI.GetD();
			  double anAngle = aCI.GetAngle();
			  if ( (anAngle > 0) && (anAngle < (Standard_PI/2)) )
			fill.AddDA(aD, anAngle, E, F);
			}
		}
		}
	  }
	  else {
	  }

	  fill.Build();
	  if (!fill.IsDone()) {
		StdFail_NotDone::Raise("Chamfer can not be computed on the given shape with the given parameters");
	  }
	  aShape = fill.Shape();
  }

  if (aShape.IsNull()) return 0;

  // Check shape validity
  BRepCheck_Analyzer ana (aShape, false);
  if (!ana.IsValid()) {
  	// 08.07.2008 added by skl during fixing bug 19761 from Mantis
	ShapeFix_ShapeTolerance aSFT;
	aSFT.LimitTolerance(aShape, Precision::Confusion(),
						Precision::Confusion(), TopAbs_SHAPE);
	Handle(ShapeFix_Shape) aSfs = new ShapeFix_Shape(aShape);
	aSfs->Perform();
	aShape = aSfs->Shape();

    // fix SameParameter flag
    BRepLib::SameParameter(aShape, 1.E-5, Standard_True);

	ana.Init(aShape);
	if (!ana.IsValid()) {
	  Standard_CString anErrStr("Chamfer algorithm has produced an invalid shape result");
	  #ifdef THROW_ON_INVALID_SH
		Standard_ConstructionError::Raise(anErrStr);
	  #else
		MESSAGE(anErrStr);
		//further processing can be performed here
		//...
		//in case of failure of automatic treatment
		//mark the corresponding GEOM_Object as problematic
		TDF_Label aLabel = aFunction->GetOwnerEntry();
		if (!aLabel.IsRoot()) {
		  Handle(GEOM_Object) aMainObj = GEOM_Object::GetObject(aLabel);
		  if (!aMainObj.IsNull())
			aMainObj->SetDirty(Standard_True);
		}
	  #endif
	}
  }

  aFunction->SetValue(aShape);

  log.SetTouched(Label());

  return 1;
}