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salome-geom  6.5.0
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GEOMImpl_ArcDriver Class Reference

#include <GEOMImpl_ArcDriver.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_ArcDriver ()
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_ArcDriver ()
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_ArcDriver_Type_ ()

Detailed Description

Definition at line 125 of file GEOMImpl_ArcDriver.hxx.


Constructor & Destructor Documentation

Definition at line 69 of file GEOMImpl_ArcDriver.cxx.

{
}

Definition at line 149 of file GEOMImpl_ArcDriver.hxx.

{};

Member Function Documentation

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

Definition at line 77 of file GEOMImpl_ArcDriver.cxx.

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

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

  TopoDS_Shape aShape;
  if ((aType == CIRC_ARC_THREE_PNT) || (aType == CIRC_ARC_CENTER) || (aType == ELLIPSE_ARC_CENTER_TWO_PNT))
  {
    Handle(GEOM_Function) aRefPoint1 = aCI.GetPoint1();
    Handle(GEOM_Function) aRefPoint2 = aCI.GetPoint2();
    Handle(GEOM_Function) aRefPoint3 = aCI.GetPoint3();

    TopoDS_Shape aShapePnt1 = aRefPoint1->GetValue();
    TopoDS_Shape aShapePnt2 = aRefPoint2->GetValue();
    TopoDS_Shape aShapePnt3 = aRefPoint3->GetValue();

    if (aShapePnt1.ShapeType() == TopAbs_VERTEX &&
        aShapePnt2.ShapeType() == TopAbs_VERTEX &&
        aShapePnt3.ShapeType() == TopAbs_VERTEX)
    {
      gp_Pnt aP1 = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt1));
      gp_Pnt aP2 = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt2));
      gp_Pnt aP3 = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt3));

      if (aP1.Distance(aP2) < gp::Resolution() ||
          aP1.Distance(aP3) < gp::Resolution() ||
          aP2.Distance(aP3) < gp::Resolution())
        Standard_ConstructionError::Raise("Arc creation aborted: coincident points given");

      if (gp_Vec(aP1, aP2).IsParallel(gp_Vec(aP1, aP3), Precision::Angular()))
        Standard_ConstructionError::Raise("Arc creation aborted: points lay on one line");

      if (aType == CIRC_ARC_THREE_PNT)
      {
        GC_MakeArcOfCircle arc (aP1, aP2, aP3);
        aShape = BRepBuilderAPI_MakeEdge(arc).Edge();
      } else if ( aType == CIRC_ARC_CENTER ) { // CIRC_ARC_CENTER
        Standard_Boolean sense = aCI.GetSense();

        Standard_Real aRad = aP1.Distance(aP2);
        gp_Vec aV1 (aP1, aP2);
        gp_Vec aV2 (aP1, aP3);
        gp_Vec aN = aV1 ^ aV2;

        if (sense)
          aN = -aN;

        GC_MakeCircle circ (aP1, aN, aRad);
        Handle(Geom_Circle) aGeomCirc = circ.Value();

        GC_MakeArcOfCircle arc (aGeomCirc->Circ(), aP2, aP3, Standard_True);
        aShape = BRepBuilderAPI_MakeEdge(arc).Edge();
      } else if ( aType == ELLIPSE_ARC_CENTER_TWO_PNT ) { // ELLIPSE_ARC_CENTER_TWO_PNT
        if ( aP1.Distance(aP2) <= aP1.Distance(aP3) ) {
          // Standard_ConstructionError::Raise("Arc creation aborted: the distance from Center Point to Point 1 needs to be bigger than the distance from Center Point to Point 2");      
          cout << "aP1.Distance(aP2) <= aP1.Distance(aP3)" << endl;
          gp_Pnt aTmpP = aP2;
          aP2 = aP3;
          aP3 = aTmpP;
        }

        GC_MakeEllipse ellipse (aP2, aP3, aP1);
        Handle(Geom_Ellipse) aGeomEllipse = ellipse.Value();

//         gp_Vec aV1 (aP1, aP2);
//         gp_Vec aV2 (aP1, aP3);
// 
//         double alpha = fabs(aV1.Angle(aV2));
        
        GC_MakeArcOfEllipse arc (aGeomEllipse->Elips(), aP2, aP3, Standard_True);
        aShape = BRepBuilderAPI_MakeEdge(arc).Edge();
      }
    }
  }
  else {
  }

  if (aShape.IsNull()) return 0;

  aFunction->SetValue(aShape);

  log.SetTouched(Label());
  return 1;
}

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

Definition at line 58 of file GEOMImpl_ArcDriver.cxx.

{
  static Standard_GUID aArcDriver("FF1BBB35-5D14-4df2-980B-3A668264EA16");
  return aArcDriver; 
}
Standard_EXPORT const GEOMImpl_ArcDriver::Handle ( Standard_Type  ) const [inline]

Definition at line 155 of file GEOMImpl_ArcDriver.hxx.

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

Definition at line 156 of file GEOMImpl_ArcDriver.hxx.

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

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

Definition at line 147 of file GEOMImpl_ArcDriver.hxx.

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

Definition at line 137 of file GEOMImpl_ArcDriver.hxx.

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

Definition at line 129 of file GEOMImpl_ArcDriver.hxx.

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

Definition at line 133 of file GEOMImpl_ArcDriver.hxx.

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

Definition at line 146 of file GEOMImpl_ArcDriver.hxx.

{}

Friends And Related Function Documentation

Standard_EXPORT friend Handle_Standard_Type& GEOMImpl_ArcDriver_Type_ ( ) [friend]

Definition at line 170 of file GEOMImpl_ArcDriver.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_ArcDriver",
                                                         sizeof(GEOMImpl_ArcDriver),
                                                         1,
                                                         (Standard_Address)_Ancestors,
                                                         (Standard_Address)NULL);

  return _aType;
}

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