Back to index

salome-geom  6.5.0
Public Member Functions | Static Public Member Functions | Friends
GEOMImpl_CircleDriver Class Reference

#include <GEOMImpl_CircleDriver.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_CircleDriver ()
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_CircleDriver ()
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_CircleDriver_Type_ ()

Detailed Description

Definition at line 125 of file GEOMImpl_CircleDriver.hxx.


Constructor & Destructor Documentation

Definition at line 63 of file GEOMImpl_CircleDriver.cxx.

{
}

Definition at line 149 of file GEOMImpl_CircleDriver.hxx.

{};

Member Function Documentation

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

Definition at line 71 of file GEOMImpl_CircleDriver.cxx.

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

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

  TopoDS_Shape aShape;

  if (aType == CIRCLE_PNT_VEC_R) {
    // Center
    gp_Pnt aP = gp::Origin();
    Handle(GEOM_Function) aRefPoint = aCI.GetCenter();
    if (!aRefPoint.IsNull()) {
      TopoDS_Shape aShapePnt = aRefPoint->GetValue();
      if (aShapePnt.ShapeType() != TopAbs_VERTEX) {
        Standard_ConstructionError::Raise
          ("Circle creation aborted: invalid center argument, must be a point");
      }
      aP = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt));
    }
    // Normal
    gp_Vec aV = gp::DZ();
    Handle(GEOM_Function) aRefVector = aCI.GetVector();
    if (!aRefVector.IsNull()) {
      TopoDS_Shape aShapeVec = aRefVector->GetValue();
      if (aShapeVec.ShapeType() != TopAbs_EDGE) {
        Standard_ConstructionError::Raise
          ("Circle creation aborted: invalid vector argument, must be a vector or an edge");
      }
      TopoDS_Edge anE = TopoDS::Edge(aShapeVec);
      TopoDS_Vertex V1, V2;
      TopExp::Vertices(anE, V1, V2, Standard_True);
      if (!V1.IsNull() && !V2.IsNull()) {
        aV = gp_Vec(BRep_Tool::Pnt(V1), BRep_Tool::Pnt(V2));
        if (aV.Magnitude() < gp::Resolution()) {
          Standard_ConstructionError::Raise
            ("Circle creation aborted: vector of zero length is given");
        }
      }
    }
    // Axes
    gp_Ax2 anAxes (aP, aV);
    // Radius
    double anR = aCI.GetRadius();
    char aMsg[] = "Circle creation aborted: radius value less than 1e-07 is not acceptable";
    if (anR < Precision::Confusion())
      Standard_ConstructionError::Raise(aMsg);
    // Circle
    gp_Circ aCirc (anAxes, anR);
    aShape = BRepBuilderAPI_MakeEdge(aCirc).Edge();
  }
  else if (aType == CIRCLE_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("Circle creation aborted: coincident points given");

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

      double x, y, z, x1, y1, z1, x2, y2, z2, dx, dy, dz, dx2, dy2, dz2, dx3, dy3, dz3, aRadius;
      //Calculations for Radius
      x = aP1.X(); y = aP1.Y(); z = aP1.Z();
      x1 = aP2.X(); y1 = aP2.Y(); z1 = aP2.Z();
      dx = x1 - x;
      dy = y1 - y;
      dz = z1 - z;
      aRadius = sqrt(dx*dx + dy*dy + dz*dz);
      //Calculations for Plane Vector
      x2 = aP3.X(); y2 = aP3.Y(); z2 = aP3.Z();
      dx2 = x2 - x; dy2 = y2 - y; dz2 = z2 - z;
      dx3 = ((dy*dz2) - (dy2*dz))/100;
      dy3 = ((dx2*dz) - (dx*dz2))/100;
      dz3 = ((dx*dy2) - (dx2*dy))/100;
      //Make Plane Vector
      gp_Dir aDir ( dx3, dy3, dz3 );
      //Make Circle
      gp_Ax2 anAxes (aP1, aDir);
      gp_Circ aCirc (anAxes, aRadius);
      aShape = BRepBuilderAPI_MakeEdge(aCirc).Edge();  
    }
  }
  else if (aType == CIRCLE_THREE_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("Circle creation aborted: coincident points given");
      if (gp_Vec(aP1, aP2).IsParallel(gp_Vec(aP1, aP3), Precision::Angular()))
        Standard_ConstructionError::Raise("Circle creation aborted: points lay on one line");
      Handle(Geom_Circle) aCirc = GC_MakeCircle(aP1, aP2, aP3).Value();
      aShape = BRepBuilderAPI_MakeEdge(aCirc).Edge();
    }  
  }
  else {
  }

  if (aShape.IsNull()) return 0;

  aFunction->SetValue(aShape);

  log.SetTouched(Label()); 

  return 1;    
}

Here is the call graph for this function:

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

Definition at line 52 of file GEOMImpl_CircleDriver.cxx.

{
  static Standard_GUID aCircleDriver("FF1BBB32-5D14-4df2-980B-3A668264EA16");
  return aCircleDriver; 
}

Here is the caller graph for this function:

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

Definition at line 155 of file GEOMImpl_CircleDriver.hxx.

Here is the call graph for this function:

Here is the caller graph for this function:

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

Definition at line 156 of file GEOMImpl_CircleDriver.hxx.

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

Here is the call graph for this function:

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

Definition at line 147 of file GEOMImpl_CircleDriver.hxx.

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

Definition at line 137 of file GEOMImpl_CircleDriver.hxx.

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

Definition at line 129 of file GEOMImpl_CircleDriver.hxx.

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

Definition at line 133 of file GEOMImpl_CircleDriver.hxx.

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

Definition at line 146 of file GEOMImpl_CircleDriver.hxx.

{}

Friends And Related Function Documentation

Standard_EXPORT friend Handle_Standard_Type& GEOMImpl_CircleDriver_Type_ ( ) [friend]

Definition at line 209 of file GEOMImpl_CircleDriver.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_CircleDriver",
                                                         sizeof(GEOMImpl_CircleDriver),
                                                         1,
                                                         (Standard_Address)_Ancestors,
                                                         (Standard_Address)NULL);

  return _aType;
}

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