geom/src/GEOMImpl/GEOMImpl_ArcDriver.cxx
2004-12-01 10:39:14 +00:00

133 lines
4.5 KiB
C++

using namespace std;
#include "GEOMImpl_ArcDriver.hxx"
#include "GEOMImpl_IArc.hxx"
#include "GEOMImpl_Types.hxx"
#include "GEOM_Function.hxx"
#include <BRepBuilderAPI_MakeEdge.hxx>
#include <BRep_Tool.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Vertex.hxx>
#include <TopAbs.hxx>
#include <TopExp.hxx>
#include <GC_MakeArcOfCircle.hxx>
#include <Standard_ConstructionError.hxx>
#include <Precision.hxx>
#include <gp_Pnt.hxx>
#include <gp_Vec.hxx>
//=======================================================================
//function : GetID
//purpose :
//=======================================================================
const Standard_GUID& GEOMImpl_ArcDriver::GetID()
{
static Standard_GUID aArcDriver("FF1BBB35-5D14-4df2-980B-3A668264EA16");
return aArcDriver;
}
//=======================================================================
//function : GEOMImpl_ArcDriver
//purpose :
//=======================================================================
GEOMImpl_ArcDriver::GEOMImpl_ArcDriver()
{
}
//=======================================================================
//function : Execute
//purpose :
//=======================================================================
Standard_Integer GEOMImpl_ArcDriver::Execute(TFunction_Logbook& log) const
{
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) {
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");
GC_MakeArcOfCircle arc (aP1, aP2, aP3);
aShape = BRepBuilderAPI_MakeEdge(arc).Edge();
}
} else {
}
if (aShape.IsNull()) return 0;
aFunction->SetValue(aShape);
log.SetTouched(Label());
return 1;
}
//=======================================================================
//function : GEOMImpl_ArcDriver_Type_
//purpose :
//=======================================================================
Standard_EXPORT Handle_Standard_Type& GEOMImpl_ArcDriver_Type_()
{
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;
}
//=======================================================================
//function : DownCast
//purpose :
//=======================================================================
const Handle(GEOMImpl_ArcDriver) Handle(GEOMImpl_ArcDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
{
Handle(GEOMImpl_ArcDriver) _anOtherObject;
if (!AnObject.IsNull()) {
if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_ArcDriver))) {
_anOtherObject = Handle(GEOMImpl_ArcDriver)((Handle(GEOMImpl_ArcDriver)&)AnObject);
}
}
return _anOtherObject ;
}