+// Copyright (C) 2014-20xx CEA/DEN, EDF R&D
+
// File: GeomAPI_Edge.cpp
// Created: 24 Jul 2014
// Author: Artem ZHIDKOV
#include<GeomAPI_Edge.h>
+#include<GeomAPI_Pnt.h>
+#include<GeomAPI_Circ.h>
+#include<GeomAPI_Dir.h>
+#include<GeomAPI_Lin.h>
#include <TopoDS_Shape.hxx>
-#include <BRep_TEdge.hxx>
-#include <BRep_CurveRepresentation.hxx>
+#include <TopoDS_Edge.hxx>
+#include <TopoDS.hxx>
+#include <BRep_Tool.hxx>
#include <Geom_Curve.hxx>
#include <Geom_Line.hxx>
#include <Geom_Circle.hxx>
+#include <GeomAdaptor_Curve.hxx>
+#include <gp_Ax1.hxx>
GeomAPI_Edge::GeomAPI_Edge()
- : GeomAPI_Shape()
+ : GeomAPI_Shape()
{
}
+GeomAPI_Edge::GeomAPI_Edge(const std::shared_ptr<GeomAPI_Shape>& theShape)
+{
+ if (!theShape->isNull() && theShape->isEdge()) {
+ setImpl(new TopoDS_Shape(theShape->impl<TopoDS_Shape>()));
+ }
+}
+
bool GeomAPI_Edge::isLine() const
{
const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
- Handle(BRep_TEdge) anEdge = Handle(BRep_TEdge)::DownCast(aShape.TShape());
- if (anEdge->Curves().Extent() != 1)
- return false; // too many curves in the edge
- Handle(Geom_Curve) aCurve = anEdge->Curves().First()->Curve3D();
+ double aFirst, aLast;
+ Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
if (aCurve->IsKind(STANDARD_TYPE(Geom_Line)))
return true;
return false;
bool GeomAPI_Edge::isCircle() const
{
const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
- Handle(BRep_TEdge) anEdge = Handle(BRep_TEdge)::DownCast(aShape.TShape());
- if (anEdge->Curves().Extent() != 1)
- return false; // too many curves in the edge
- Handle(Geom_Curve) aCurve = anEdge->Curves().First()->Curve3D();
- if (aCurve->IsKind(STANDARD_TYPE(Geom_Circle)) && aCurve->IsClosed())
- return true;
+ double aFirst, aLast;
+ Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
+ if (aCurve->IsKind(STANDARD_TYPE(Geom_Circle)))
+ {
+ // Check the difference of first and last parameters to be equal to the curve period
+ if (Abs(aLast - aFirst - aCurve->Period()) < Precision::PConfusion())
+ return true;
+ }
return false;
}
bool GeomAPI_Edge::isArc() const
{
const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
- Handle(BRep_TEdge) anEdge = Handle(BRep_TEdge)::DownCast(aShape.TShape());
- if (anEdge->Curves().Extent() != 1)
- return false; // too many curves in the edge
- Handle(Geom_Curve) aCurve = anEdge->Curves().First()->Curve3D();
- if (aCurve->IsKind(STANDARD_TYPE(Geom_Circle)) && !aCurve->IsClosed())
- return true;
+ double aFirst, aLast;
+ Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
+ if (aCurve->IsKind(STANDARD_TYPE(Geom_Circle)))
+ {
+ // Check the difference of first and last parameters is not equal the curve period
+ if (Abs(aLast - aFirst - aCurve->Period()) >= Precision::PConfusion())
+ return true;
+ }
return false;
}
+
+std::shared_ptr<GeomAPI_Pnt> GeomAPI_Edge::firstPoint()
+{
+ const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
+ double aFirst, aLast;
+ Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
+ gp_Pnt aPoint;
+ aCurve->D0(aFirst, aPoint);
+ return std::shared_ptr<GeomAPI_Pnt>(new GeomAPI_Pnt(aPoint.X(), aPoint.Y(), aPoint.Z()));
+}
+
+std::shared_ptr<GeomAPI_Pnt> GeomAPI_Edge::lastPoint()
+{
+ const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
+ double aFirst, aLast;
+ Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
+ gp_Pnt aPoint;
+ aCurve->D0(aLast, aPoint);
+ return std::shared_ptr<GeomAPI_Pnt>(new GeomAPI_Pnt(aPoint.X(), aPoint.Y(), aPoint.Z()));
+}
+
+std::shared_ptr<GeomAPI_Circ> GeomAPI_Edge::circle()
+{
+ const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
+ double aFirst, aLast;
+ Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
+ if (aCurve) {
+ Handle(Geom_Circle) aCirc = Handle(Geom_Circle)::DownCast(aCurve);
+ if (aCirc) {
+ gp_Pnt aLoc = aCirc->Location();
+ std::shared_ptr<GeomAPI_Pnt> aCenter(new GeomAPI_Pnt(aLoc.X(), aLoc.Y(), aLoc.Z()));
+ gp_Dir anAxis = aCirc->Axis().Direction();
+ std::shared_ptr<GeomAPI_Dir> aDir(new GeomAPI_Dir(anAxis.X(), anAxis.Y(), anAxis.Z()));
+ return std::shared_ptr<GeomAPI_Circ>(new GeomAPI_Circ(aCenter, aDir, aCirc->Radius()));
+ }
+ }
+ return std::shared_ptr<GeomAPI_Circ>(); // not circle
+}
+
+std::shared_ptr<GeomAPI_Lin> GeomAPI_Edge::line()
+{
+ const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
+ double aFirst, aLast;
+ Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
+ if (aCurve) {
+ Handle(Geom_Line) aLine = Handle(Geom_Line)::DownCast(aCurve);
+ if (aLine) {
+ gp_Pnt aStartPnt = aLine->Value(aFirst);
+ std::shared_ptr<GeomAPI_Pnt> aStart(
+ new GeomAPI_Pnt(aStartPnt.X(), aStartPnt.Y(), aStartPnt.Z()));
+ gp_Pnt aEndPnt = aLine->Value(aLast);
+ std::shared_ptr<GeomAPI_Pnt> aEnd(
+ new GeomAPI_Pnt(aEndPnt.X(), aEndPnt.Y(), aEndPnt.Z()));
+ return std::shared_ptr<GeomAPI_Lin>(new GeomAPI_Lin(aStart, aEnd));
+ }
+ }
+ return std::shared_ptr<GeomAPI_Lin>(); // not circle
+}
+
+
+bool GeomAPI_Edge::isEqual(const std::shared_ptr<GeomAPI_Shape> theEdge) const
+{
+ if (!theEdge.get() || ! theEdge->isEdge())
+ return false;
+ const TopoDS_Shape& aMyShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
+ const TopoDS_Shape& aInShape = theEdge->impl<TopoDS_Shape>();
+
+ if (aMyShape.ShapeType() != aInShape.ShapeType())
+ return false;
+
+ double aMyStart, aMyEnd;
+ Handle(Geom_Curve) aMyCurve = BRep_Tool::Curve(TopoDS::Edge(aMyShape), aMyStart, aMyEnd);
+ double aInStart, aInEnd;
+ Handle(Geom_Curve) aInCurve = BRep_Tool::Curve(TopoDS::Edge(aInShape), aInStart, aInEnd);
+
+ // Check that curves a the same type
+ GeomAdaptor_Curve aMyAdaptor(aMyCurve);
+ GeomAdaptor_Curve aInAdaptor(aInCurve);
+ if (aMyAdaptor.GetType() != aInAdaptor.GetType())
+ return false;
+
+ // Check that end point parameters are the same
+ if ((aMyStart != aInStart) || (aMyEnd != aInEnd))
+ return false;
+
+ // Check that end points are equal
+ gp_Pnt aMyPnt1 = aMyAdaptor.Value(aMyStart);
+ gp_Pnt aMyPnt2 = aMyAdaptor.Value(aMyEnd);
+ gp_Pnt aInPnt1 = aInAdaptor.Value(aInStart);
+ gp_Pnt aInPnt2 = aInAdaptor.Value(aInEnd);
+
+ if ((!aMyPnt1.IsEqual(aInPnt1, Precision::Confusion())) ||
+ (!aMyPnt2.IsEqual(aInPnt2, Precision::Confusion())))
+ return false;
+
+ return true;
+}
