コード例 #1
0
ファイル: OCCBody.cpp プロジェクト: chrismullins/cgma
//----------------------------------------------------------------
// Function: transform
// Description: transform the body and its child entities
//              use a transform matrix
//
// Author: Jane Hu
//----------------------------------------------------------------
CubitStatus OCCBody::transform(BRepBuilderAPI_Transform& aBRepTrsf)
{
  TopoDS_Shape * shape;
  get_TopoDS_Shape(shape);
  aBRepTrsf.Perform(*shape);

  update_OCC_entity(&aBRepTrsf);
  // calculate for bounding box
  update_bounding_box();
  
  return CUBIT_SUCCESS;
}
コード例 #2
0
//=======================================================================
//function : Execute
//purpose  :
//======================================================================= 
Standard_Integer GEOMImpl_ScaleDriver::Execute(TFunction_Logbook& log) const
{
  if (Label().IsNull()) return 0;
  Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());

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

  TopoDS_Shape aShape;

  if (aType == SCALE_SHAPE || aType == SCALE_SHAPE_COPY) {
    Handle(GEOM_Function) aRefShape = aCI.GetShape();
    TopoDS_Shape aShapeBase = aRefShape->GetValue();
    if (aShapeBase.IsNull()) return 0;

    gp_Pnt aP (0,0,0);
    Handle(GEOM_Function) aRefPoint = aCI.GetPoint();
    if (!aRefPoint.IsNull()) {
      TopoDS_Shape aShapePnt = aRefPoint->GetValue();
      if (aShapePnt.IsNull()) return 0;
      if (aShapePnt.ShapeType() != TopAbs_VERTEX) return 0;
      aP = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt));
    }

    // Bug 6839: Check for standalone (not included in faces) degenerated edges
    TopTools_IndexedDataMapOfShapeListOfShape aEFMap;
    TopExp::MapShapesAndAncestors(aShapeBase, 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(aP, aCI.GetFactor());
    BRepBuilderAPI_Transform aBRepTrsf (aShapeBase, aTrsf, Standard_False);
	aShape = aBRepTrsf.Shape();
  }
  else if (aType == SCALE_SHAPE_AFFINE || aType == SCALE_SHAPE_AFFINE_COPY) {
	Handle(GEOM_Function) aRefShape = aCI.GetShape();
	Handle(GEOM_Function) aRefVector = aCI.GetVector();
	TopoDS_Shape aShapeBase = aRefShape->GetValue();
	TopoDS_Shape aShapeVector  = aRefVector->GetValue();
	if (aShapeBase.IsNull() || aShapeVector.IsNull()) return 0;
	if (aShapeVector.ShapeType() != TopAbs_EDGE) return 0;
	TopoDS_Edge anEdgeVector = TopoDS::Edge(aShapeVector);

	// Bug 6839: Check for standalone (not included in faces) degenerated edges
	TopTools_IndexedDataMapOfShapeListOfShape aEFMap;
	TopExp::MapShapesAndAncestors(aShapeBase, 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");
	  }
	}

	//Get axis
	gp_Pnt aP1 = BRep_Tool::Pnt(TopExp::FirstVertex(anEdgeVector));
	gp_Pnt aP2 = BRep_Tool::Pnt(TopExp::LastVertex(anEdgeVector));
    gp_Dir aDir(gp_Vec(aP1, aP2));
	gp_Ax2 anAx2(aP1, aDir);

	// Perform Scaling
	gp_GTrsf aGTrsf;
	aGTrsf.SetAffinity(anAx2, aCI.GetFactor());
	BRepBuilderAPI_GTransform aBRepGTrsf(aShapeBase, aGTrsf, Standard_False);
	aShape = aBRepGTrsf.Shape();
  }
  else if (aType == SCALE_SHAPE_AXES || aType == SCALE_SHAPE_AXES_COPY) {
	Handle(GEOM_Function) aRefShape = aCI.GetShape();
    TopoDS_Shape aShapeBase = aRefShape->GetValue();
    if (aShapeBase.IsNull()) return 0;

    bool isP = false;
    gp_Pnt aP (0,0,0);
    Handle(GEOM_Function) aRefPoint = aCI.GetPoint();
    if (!aRefPoint.IsNull()) {
      TopoDS_Shape aShapePnt = aRefPoint->GetValue();
      if (aShapePnt.IsNull()) return 0;
      if (aShapePnt.ShapeType() != TopAbs_VERTEX) return 0;
      aP = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt));
      isP = true;
    }

    // Bug 6839: Check for standalone (not included in faces) degenerated edges
    TopTools_IndexedDataMapOfShapeListOfShape aEFMap;
    TopExp::MapShapesAndAncestors(aShapeBase, 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_GTrsf aGTrsf;
    gp_Mat rot (aCI.GetFactorX(), 0, 0,
                0, aCI.GetFactorY(), 0,
                0, 0, aCI.GetFactorZ());
    aGTrsf.SetVectorialPart(rot);

    if (isP) {
      gp_Pnt anO (0,0,0);
      if (anO.Distance(aP) > Precision::Confusion()) {
        gp_GTrsf aGTrsfP0;
        aGTrsfP0.SetTranslationPart(anO.XYZ() - aP.XYZ());
        gp_GTrsf aGTrsf0P;
        aGTrsf0P.SetTranslationPart(aP.XYZ());
        //aGTrsf = aGTrsf0P * aGTrsf * aGTrsfP0;
        aGTrsf = aGTrsf0P.Multiplied(aGTrsf);
        aGTrsf = aGTrsf.Multiplied(aGTrsfP0);
      }
    }

    BRepBuilderAPI_GTransform aBRepGTrsf (aShapeBase, aGTrsf, Standard_False);
    if (!aBRepGTrsf.IsDone())
      Standard_ConstructionError::Raise("Scaling not done");
	aShape = aBRepGTrsf.Shape();
  } else {
  }

  if (aShape.IsNull()) return 0;

  // Check shape validity
  BRepCheck_Analyzer ana (aShape, false);
  if (!ana.IsValid()) {
    ShapeFix_ShapeTolerance aSFT;
    aSFT.LimitTolerance(aShape,Precision::Confusion(),Precision::Confusion());
    Handle(ShapeFix_Shape) aSfs = new ShapeFix_Shape(aShape);
    aSfs->SetPrecision(Precision::Confusion());
    aSfs->Perform();
    aShape = aSfs->Shape();

    ana.Init(aShape, Standard_False);
	if (!ana.IsValid()) {
	  Standard_CString anErrStr("Scaling aborted : non valid 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;    
}
コード例 #3
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 #4
0
//=======================================================================
//function : Execute
//purpose  :
//=======================================================================
Standard_Integer GEOMImpl_PositionDriver::Execute(TFunction_Logbook& log) const
{
  if (Label().IsNull()) return 0;
  Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());

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

  TopoDS_Shape aShape;

  if (aType == POSITION_SHAPE || aType == POSITION_SHAPE_COPY) {
    Handle(GEOM_Function) aRefShape = aCI.GetShape();
    Handle(GEOM_Function) aRefStartLCS = aCI.GetStartLCS();
    Handle(GEOM_Function) aRefEndLCS = aCI.GetEndLCS();

    TopoDS_Shape aShapeBase = aRefShape->GetValue();
    TopoDS_Shape aShapeStartLCS = aRefStartLCS->GetValue();
    TopoDS_Shape aShapeEndLCS = aRefEndLCS->GetValue();

    if (aShapeBase.IsNull() || aShapeStartLCS.IsNull() ||
        aShapeEndLCS.IsNull() || aShapeEndLCS.ShapeType() != TopAbs_FACE)
      return 0;

    gp_Trsf aTrsf;
    gp_Ax3 aStartAx3, aDestAx3;

    // End LCS
    aDestAx3 = GEOMImpl_IMeasureOperations::GetPosition(aShapeEndLCS);

    // Start LCS
    aStartAx3 = GEOMImpl_IMeasureOperations::GetPosition(aShapeStartLCS);

    // Set transformation
    aTrsf.SetDisplacement(aStartAx3, aDestAx3);

    // Perform transformation
    BRepBuilderAPI_Transform aBRepTrsf (aShapeBase, aTrsf, Standard_False);
    aShape = aBRepTrsf.Shape();
  }
  else if (aType == POSITION_SHAPE_FROM_GLOBAL ||
           aType == POSITION_SHAPE_FROM_GLOBAL_COPY) {
    Handle(GEOM_Function) aRefShape = aCI.GetShape();
    Handle(GEOM_Function) aRefEndLCS = aCI.GetEndLCS();

    TopoDS_Shape aShapeBase = aRefShape->GetValue();
    TopoDS_Shape aShapeEndLCS = aRefEndLCS->GetValue();

    if (aShapeBase.IsNull() || aShapeEndLCS.IsNull() ||
        aShapeEndLCS.ShapeType() != TopAbs_FACE)
      return 0;

    gp_Trsf aTrsf;
    gp_Ax3 aStartAx3, aDestAx3;

    // End LCS
    aDestAx3 = GEOMImpl_IMeasureOperations::GetPosition(aShapeEndLCS);

    // Set transformation
    aTrsf.SetDisplacement(aStartAx3, aDestAx3);

    // Perform transformation
    BRepBuilderAPI_Transform aBRepTrsf (aShapeBase, aTrsf, Standard_False);
    aShape = aBRepTrsf.Shape();
  }
  else if (aType == POSITION_ALONG_PATH) {
    Handle(GEOM_Function) aRefShape = aCI.GetShape();
    Handle(GEOM_Function) aPathShape = aCI.GetPath();
    Standard_Real aParameter = aCI.GetDistance();
    bool aReversed = aCI.GetReverse();
    if (aReversed)
      aParameter = 1 - aParameter;

    TopoDS_Shape aShapeBase = aRefShape->GetValue();
    TopoDS_Shape aPath = aPathShape->GetValue();
    TopoDS_Wire aWire;

    if (aShapeBase.IsNull() || aPath.IsNull())
      return 0;

    if ( aPath.ShapeType() == TopAbs_EDGE ) {
      TopoDS_Edge anEdge = TopoDS::Edge(aPath);
      aWire = BRepBuilderAPI_MakeWire(anEdge); 
    }
    else if ( aPath.ShapeType() == TopAbs_WIRE)
      aWire = TopoDS::Wire(aPath);
    else
      return 0;

    Handle(GeomFill_TrihedronLaw) TLaw = new GeomFill_CorrectedFrenet();
    Handle(GeomFill_CurveAndTrihedron) aLocationLaw = new GeomFill_CurveAndTrihedron( TLaw );
    Handle(BRepFill_LocationLaw) aLocation = new BRepFill_Edge3DLaw(aWire, aLocationLaw);

    aLocation->TransformInCompatibleLaw( 0.01 );

    //Calculate a Parameter
    Standard_Real aFirstParam1 = 0, aLastParam1 = 0; // Parameters of the First edge
    Standard_Real aFirstParam2 = 0, aLastParam2 = 0; // Parameters of the Last edge
    aLocation->CurvilinearBounds(aLocation->NbLaw(), aFirstParam2, aLastParam2);

    if ( aLocation->NbLaw() > 1)
      aLocation->CurvilinearBounds(1, aFirstParam1, aLastParam1);
    else if ( aLocation->NbLaw() == 1 )
      aFirstParam1 = aFirstParam2;
    else
      return 0;

    Standard_Real aParam = (aFirstParam1 + (aLastParam2 - aFirstParam1)*aParameter );

    TopoDS_Shape CopyShape = aShapeBase;
    BRepFill_SectionPlacement Place( aLocation, aShapeBase );
    TopLoc_Location Loc2(Place.Transformation()), Loc1;
    Loc1 = CopyShape.Location();
    CopyShape.Location(Loc2.Multiplied(Loc1));

    aLocation->D0( aParam, CopyShape );
    aShape = CopyShape;
  }
  else
    return 0;

  if (aShape.IsNull()) return 0;

  aFunction->SetValue(aShape);

  log.SetTouched(Label());

  return 1;
}