C++ (Cpp) GEOMImpl_ISphere Examples

Example #1

File: GEOMImpl_SphereDriver.cpp Project: triggerfish1/pythonocc

//=======================================================================
//function : Execute
//purpose  :
//======================================================================= 
Standard_Integer GEOMImpl_SphereDriver::Execute(TFunction_Logbook& log) const
{
  if (Label().IsNull()) return 0;    
  Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());

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

  TopoDS_Shape aShape;

  char aMsg[] = "Sphere creation aborted: radius value less than 1e-07 is not acceptable";

  if (aType == SPHERE_R) {
    double anR = aCI.GetR();
    if (anR < Precision::Confusion())
      Standard_ConstructionError::Raise(aMsg);

    aShape = BRepPrimAPI_MakeSphere(anR).Shape();
  }
  else if (aType == SPHERE_PNT_R) {
    double anR = aCI.GetR();
    if (anR < Precision::Confusion())
      Standard_ConstructionError::Raise(aMsg);

    Handle(GEOM_Function) aRefPoint  = aCI.GetPoint();
    TopoDS_Shape aShapePnt = aRefPoint->GetValue();
    if (aShapePnt.ShapeType() != TopAbs_VERTEX)
      Standard_ConstructionError::Raise("Invalid shape given for sphere center: it must be a point");
    gp_Pnt aP = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt));

    aShape = BRepPrimAPI_MakeSphere(aP, anR).Shape();
  }
  else {
  }

  if (aShape.IsNull()) return 0;

  aFunction->SetValue(aShape);

  log.SetTouched(Label()); 

  return 1;    
}

Example #2

File: GEOMImpl_SphereDriver.cpp Project: hmeyer/salome-geom

//=======================================================================
//function : Execute
//purpose  :
//======================================================================= 
Standard_Integer GEOMImpl_SphereDriver::Execute(TFunction_Logbook& log) const
{
  if (Label().IsNull()) return 0;    
  Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());

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

  TopoDS_Shape aShape;

  char aMsg[] = "Sphere creation aborted: radius value less than 1e-07 is not acceptable";

  double theAngle = aCI.GetAngle();
  if (theAngle == 0.)
	theAngle = PI * 2.;

  double theVCoordStart = aCI.GetVCoordStart();
  double theVCoordEnd = aCI.GetVCoordEnd();

  if (aType == SPHERE_R) {
    double anR = aCI.GetR();
    if (anR < Precision::Confusion())
      Standard_ConstructionError::Raise(aMsg);

    //There seems to be an issue with the  BRepPrimAPI_MakeSphere command concerning
    //the limitations on V coodinates of its parametric space ... (Will not be used for the moment)
    aShape = BRepPrimAPI_MakeSphere(anR /*, theVCoordStart, theVCoordEnd*/ , theAngle).Shape();
  }
  else if (aType == SPHERE_PNT_R) {

    double anR = aCI.GetR();
    if (anR < Precision::Confusion())
      Standard_ConstructionError::Raise(aMsg);

    Handle(GEOM_Function) aRefPoint  = aCI.GetPoint();
    TopoDS_Shape aShapePnt = aRefPoint->GetValue();

    if (aShapePnt.ShapeType() != TopAbs_VERTEX)
      Standard_ConstructionError::Raise("Invalid shape given for sphere center: it must be a point");

    gp_Pnt aP = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt));
    aShape = BRepPrimAPI_MakeSphere(aP, anR/*, theVCoordStart, theVCoordEnd*/, theAngle).Shape();
  }
  else {
  }

  if (aShape.IsNull()) return 0;

  aFunction->SetValue(aShape);

  log.SetTouched(Label()); 

  return 1;    
}