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salome-geom  6.5.0
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GEOMImpl_PointDriver Class Reference

#include <GEOMImpl_PointDriver.hxx>

List of all members.

Public Member Functions

void * operator new (size_t, void *anAddress)
void * operator new (size_t size)
void operator delete (void *anAddress)
Standard_EXPORT GEOMImpl_PointDriver ()
virtual Standard_EXPORT
Standard_Integer 
Execute (TFunction_Logbook &log) const
virtual Standard_EXPORT void Validate (TFunction_Logbook &) const
Standard_EXPORT Standard_Boolean MustExecute (const TFunction_Logbook &) const
Standard_EXPORT ~GEOMImpl_PointDriver ()
Standard_EXPORT const Handle (Standard_Type)&DynamicType() const
Standard_EXPORT Standard_Boolean IsKind (const Handle(Standard_Type)&AType) const

Static Public Member Functions

static Standard_EXPORT const
Standard_GUID & 
GetID ()

Friends

Standard_EXPORT friend
Handle_Standard_Type & 
GEOMImpl_PointDriver_Type_ ()

Detailed Description

Definition at line 125 of file GEOMImpl_PointDriver.hxx.


Constructor & Destructor Documentation

Definition at line 74 of file GEOMImpl_PointDriver.cxx.

{
}

Definition at line 149 of file GEOMImpl_PointDriver.hxx.

{};

Member Function Documentation

Standard_Integer GEOMImpl_PointDriver::Execute ( TFunction_Logbook &  log) const [virtual]

Definition at line 111 of file GEOMImpl_PointDriver.cxx.

{
  if (Label().IsNull())  return 0;
  Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());

  GEOMImpl_IPoint aPI (aFunction);
  Standard_Integer aType = aFunction->GetType();

  gp_Pnt aPnt;
  TopoDS_Compound aCompound;
  bool retCompound = false;

  if (aType == POINT_XYZ) {
    aPnt = gp_Pnt(aPI.GetX(), aPI.GetY(), aPI.GetZ());
  }
  else if (aType == POINT_XYZ_REF) {
    Handle(GEOM_Function) aRefPoint = aPI.GetRef();
    TopoDS_Shape aRefShape = aRefPoint->GetValue();
    if (aRefShape.ShapeType() != TopAbs_VERTEX) {
      Standard_TypeMismatch::Raise
        ("Point creation aborted : referenced shape is not a vertex");
    }
    gp_Pnt P = BRep_Tool::Pnt(TopoDS::Vertex(aRefShape));
    aPnt = gp_Pnt(P.X() + aPI.GetX(), P.Y() + aPI.GetY(), P.Z() + aPI.GetZ());
  }
  else if (aType == POINT_CURVE_PAR) {
    Handle(GEOM_Function) aRefCurve = aPI.GetCurve();
    TopoDS_Shape aRefShape = aRefCurve->GetValue();
    if (aRefShape.ShapeType() != TopAbs_EDGE) {
      Standard_TypeMismatch::Raise
        ("Point On Curve creation aborted : curve shape is not an edge");
    }
    Standard_Real aFP, aLP, aP;
    Handle(Geom_Curve) aCurve = BRep_Tool::Curve(TopoDS::Edge(aRefShape), aFP, aLP);
    aP = aFP + (aLP - aFP) * aPI.GetParameter();
    aPnt = aCurve->Value(aP);
  }
  else if (aType == POINT_CURVE_COORD) {
    Handle(GEOM_Function) aRefCurve = aPI.GetCurve();
    TopoDS_Shape aRefShape = aRefCurve->GetValue();
    if (aRefShape.ShapeType() != TopAbs_EDGE) {
      Standard_TypeMismatch::Raise
        ("Point On Curve creation aborted : curve shape is not an edge");
    }
    gp_Pnt anInitPnt (aPI.GetX(), aPI.GetY(), aPI.GetZ());
    if (!getExtremaSolution(anInitPnt, aRefShape, aPnt)) {
      Standard_ConstructionError::Raise
        ("Point On Curve creation aborted : cannot project point");
    }
  }
  else if (aType == POINT_CURVE_LENGTH) {
    // RefCurve
    Handle(GEOM_Function) aRefCurve = aPI.GetCurve();
    if (aRefCurve.IsNull()) {
      Standard_NullObject::Raise
        ("Point On Curve creation aborted : curve object is null");
    }
    TopoDS_Shape aRefShape1 = aRefCurve->GetValue();
    if (aRefShape1.ShapeType() != TopAbs_EDGE) {
      Standard_TypeMismatch::Raise
        ("Point On Curve creation aborted : curve shape is not an edge");
    }
    TopoDS_Edge aRefEdge = TopoDS::Edge(aRefShape1);
    TopoDS_Vertex V1, V2;
    TopExp::Vertices(aRefEdge, V1, V2, Standard_True);

    // RefPoint
    TopoDS_Vertex aRefVertex;
    Handle(GEOM_Function) aRefPoint = aPI.GetRef();
    if (aRefPoint.IsNull()) {
      aRefVertex = V1;
    }
    else {
      TopoDS_Shape aRefShape2 = aRefPoint->GetValue();
      if (aRefShape2.ShapeType() != TopAbs_VERTEX) {
        Standard_TypeMismatch::Raise
          ("Point On Curve creation aborted : start point shape is not a vertex");
      }
      aRefVertex = TopoDS::Vertex(aRefShape2);
    }
    gp_Pnt aRefPnt = BRep_Tool::Pnt(aRefVertex);

    // Length
    Standard_Real aLength = aPI.GetLength();
    //Standard_Real theCurveLength = IntTools::Length(aRefEdge);
    //if (aLength > theCurveLength) {
    //  Standard_ConstructionError::Raise
    //    ("Point On Curve creation aborted : given length is greater than edges length");
    //}

    // Check orientation
    Standard_Real UFirst, ULast;
    Handle(Geom_Curve) EdgeCurve = BRep_Tool::Curve(aRefEdge, UFirst, ULast);
    Handle(Geom_Curve) ReOrientedCurve = EdgeCurve;

    Standard_Real dU = ULast - UFirst;
    Standard_Real par1 = UFirst + 0.1 * dU;
    Standard_Real par2 = ULast  - 0.1 * dU;

    gp_Pnt P1 = EdgeCurve->Value(par1);
    gp_Pnt P2 = EdgeCurve->Value(par2);

    if (aRefPnt.SquareDistance(P2) < aRefPnt.SquareDistance(P1)) {
      ReOrientedCurve = EdgeCurve->Reversed();
      UFirst = EdgeCurve->ReversedParameter(ULast);
    }

    // Get the point by length
    GeomAdaptor_Curve AdapCurve = GeomAdaptor_Curve(ReOrientedCurve);
    GCPnts_AbscissaPoint anAbsPnt (AdapCurve, aLength, UFirst); 
    Standard_Real aParam = anAbsPnt.Parameter();
    aPnt = AdapCurve.Value(aParam);
  }
  else if (aType == POINT_SURFACE_PAR) {
    Handle(GEOM_Function) aRefCurve = aPI.GetSurface();
    TopoDS_Shape aRefShape = aRefCurve->GetValue();
    if (aRefShape.ShapeType() != TopAbs_FACE) {
      Standard_TypeMismatch::Raise
        ("Point On Surface creation aborted : surface shape is not a face");
    }
    TopoDS_Face F = TopoDS::Face(aRefShape);
    Handle(Geom_Surface) aSurf = BRep_Tool::Surface(F);
    Standard_Real U1,U2,V1,V2;
    //aSurf->Bounds(U1,U2,V1,V2);
    ShapeAnalysis::GetFaceUVBounds(F,U1,U2,V1,V2);
    Standard_Real U = U1 + (U2-U1) * aPI.GetParameter();
    Standard_Real V = V1 + (V2-V1) * aPI.GetParameter2();
    aPnt = aSurf->Value(U,V);
  }
  else if (aType == POINT_SURFACE_COORD) {
    Handle(GEOM_Function) aRefCurve = aPI.GetSurface();
    TopoDS_Shape aRefShape = aRefCurve->GetValue();
    if (aRefShape.ShapeType() != TopAbs_FACE) {
      Standard_TypeMismatch::Raise
        ("Point On Surface creation aborted : surface shape is not a face");
    }
    gp_Pnt anInitPnt (aPI.GetX(), aPI.GetY(), aPI.GetZ());
    if (!getExtremaSolution(anInitPnt, aRefShape, aPnt)) {
      Standard_ConstructionError::Raise
        ("Point On Surface creation aborted : cannot project point");
    }
  }
  else if (aType == POINT_LINES_INTERSECTION) {
    Handle(GEOM_Function) aRef1 = aPI.GetLine1();
    Handle(GEOM_Function) aRef2 = aPI.GetLine2();

    TopoDS_Shape aRefShape1 = aRef1->GetValue();
    TopoDS_Shape aRefShape2 = aRef2->GetValue();

    if ( (aRefShape1.ShapeType() != TopAbs_EDGE && aRefShape1.ShapeType() != TopAbs_WIRE)
      || (aRefShape2.ShapeType() != TopAbs_EDGE && aRefShape2.ShapeType() != TopAbs_WIRE) ) {
      Standard_TypeMismatch::Raise
        ("Creation Point On Lines Intersection Aborted : Line shape is not an edge or wire");
    }

    if (aRefShape1.IsSame(aRefShape2))
      Standard_ConstructionError::Raise("The lines to make intersection must be different");

    //Calculate Lines Intersection Point
    BRepExtrema_DistShapeShape dst (aRefShape1, aRefShape2);
    if (dst.IsDone()) {
      gp_Pnt P1, P2;
      BRep_Builder B;
      B.MakeCompound( aCompound );
      for (int i = 1; i <= dst.NbSolution(); i++) {
        P1 = dst.PointOnShape1(i);
        P2 = dst.PointOnShape2(i);
        Standard_Real Dist = P1.Distance(P2);
        if ( Dist <= Precision::Confusion() && dst.NbSolution() > 1) {
          BRepBuilderAPI_MakeVertex mkVertex (P1);
          B.Add(aCompound, mkVertex.Shape());
          retCompound = true;
        } else if ( Dist <= Precision::Confusion() ) {
          aPnt = P1;
        } else {
          Standard_TypeMismatch::Raise ("Shapes have not an Intersection Point");
        }
      }
    }
  }
  else {
    return 0;
  }

  TopoDS_Shape aShape;
  if ( retCompound ) {
    aShape = aCompound;
  } else {
    BRepBuilderAPI_MakeVertex mkVertex (aPnt);
    aShape = mkVertex.Shape();
  }

  //aShape.Infinite(Standard_True); // VSR: 05/04/2010: Fix 20668 (Fit All for points & lines)
  aFunction->SetValue(aShape);

  log.SetTouched(Label());

  return 1;
}

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const Standard_GUID & GEOMImpl_PointDriver::GetID ( ) [static]

Definition at line 63 of file GEOMImpl_PointDriver.cxx.

{
  static Standard_GUID aPointDriver("FF1BBB02-5D14-4df2-980B-3A668264EA16");
  return aPointDriver;
}

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Standard_EXPORT const GEOMImpl_PointDriver::Handle ( Standard_Type  ) const [inline]

Definition at line 155 of file GEOMImpl_PointDriver.hxx.

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Standard_EXPORT Standard_Boolean GEOMImpl_PointDriver::IsKind ( const Handle(Standard_Type)&  AType) const [inline]

Definition at line 156 of file GEOMImpl_PointDriver.hxx.

{ return (STANDARD_TYPE(GEOMImpl_PointDriver) == AType || TFunction_Driver::IsKind(AType)); } 

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Standard_EXPORT Standard_Boolean GEOMImpl_PointDriver::MustExecute ( const TFunction_Logbook &  ) const [inline]

Definition at line 147 of file GEOMImpl_PointDriver.hxx.

{ return Standard_True; }
void GEOMImpl_PointDriver::operator delete ( void *  anAddress) [inline]

Definition at line 137 of file GEOMImpl_PointDriver.hxx.

      { 
        if (anAddress) Standard::Free((Standard_Address&)anAddress); 
      }
void* GEOMImpl_PointDriver::operator new ( size_t  ,
void *  anAddress 
) [inline]

Definition at line 129 of file GEOMImpl_PointDriver.hxx.

      {
        return anAddress;
      }
void* GEOMImpl_PointDriver::operator new ( size_t  size) [inline]

Definition at line 133 of file GEOMImpl_PointDriver.hxx.

      { 
        return Standard::Allocate(size); 
      }
virtual Standard_EXPORT void GEOMImpl_PointDriver::Validate ( TFunction_Logbook &  ) const [inline, virtual]

Definition at line 146 of file GEOMImpl_PointDriver.hxx.

{}

Friends And Related Function Documentation

Standard_EXPORT friend Handle_Standard_Type& GEOMImpl_PointDriver_Type_ ( ) [friend]

Definition at line 316 of file GEOMImpl_PointDriver.cxx.

{

  static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
  if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
  static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
  if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
  static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
  if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);


  static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
  static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_PointDriver",
                                                         sizeof(GEOMImpl_PointDriver),
                                                         1,
                                                         (Standard_Address)_Ancestors,
                                                         (Standard_Address)NULL);

  return _aType;
}

The documentation for this class was generated from the following files: