+// LCOV_EXCL_STOP
+
+void GeomAPI_Edge::intersectWithPlane(const std::shared_ptr<GeomAPI_Pln> thePlane,
+ std::list<std::shared_ptr<GeomAPI_Pnt>>& theResult) const
+{
+ double aFirst, aLast;
+ const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
+ Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
+ if (!aCurve.IsNull()) {
+ double A, B, C, D;
+ thePlane->coefficients(A, B, C, D);
+ gp_Pln aPln(A, B, C, D);
+ Handle(Geom_Plane) aPlane = new Geom_Plane(aPln);
+
+ // intersect the plane with the curve
+ GeomAPI_IntCS aIntersect;
+ aIntersect.Perform(aCurve, aPlane);
+ if (aIntersect.IsDone() && (aIntersect.NbPoints() > 0)) {
+ gp_Pnt aPnt;
+ for (int i = 1; i <= aIntersect.NbPoints(); i++) {
+ // check the parameter of intersection in the edge range
+ aIntersect.Parameters(i, A, B, C);
+ if (aCurve->IsPeriodic())
+ C = ElCLib::InPeriod(C, aFirst, aFirst + aCurve->Period());
+ if (C < aFirst - Precision::PConfusion() || C > aLast + Precision::PConfusion())
+ continue;
+
+ // obtain intersection point
+ aPnt = aIntersect.Point(i);
+ std::shared_ptr<GeomAPI_Pnt> aPntPtr(new GeomAPI_Pnt(aPnt.X(), aPnt.Y(), aPnt.Z()));
+ theResult.push_back(aPntPtr);
+ }
+ }
+ else {
+ // find minimal distance between the plane and the curve
+ GeomAPI_ExtremaCurveSurface anExtrema(aCurve, aPlane);
+ double aTolerance = BRep_Tool::Tolerance(TopoDS::Edge(aShape));
+ if (anExtrema.NbExtrema() > 0 &&
+ !anExtrema.Extrema().IsParallel() &&
+ anExtrema.LowerDistance() < aTolerance) {
+ // distance is lower than tolerance => tangent case
+ gp_Pnt aPntC, aPntS;
+ anExtrema.NearestPoints(aPntC, aPntS);
+ std::shared_ptr<GeomAPI_Pnt> aPntPtr(new GeomAPI_Pnt(aPntS.X(), aPntS.Y(), aPntS.Z()));
+ theResult.push_back(aPntPtr);
+ }
+ }
+ }
+}
+
+double GeomAPI_Edge::length() const
+{
+ const TopoDS_Edge& anEdge = TopoDS::Edge(impl<TopoDS_Shape>());
+ BRepAdaptor_Curve aBRepAdaptor = BRepAdaptor_Curve(anEdge);
+ Adaptor3d_Curve* anAdaptor3d = &aBRepAdaptor;
+ return GCPnts_AbscissaPoint::Length(*anAdaptor3d);
+}
+
+bool GeomAPI_Edge::isClosed() const
+{
+ const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
+ if (aShape.IsNull())
+ return false;
+ double aFirst, aLast;
+ Handle(Geom_Curve) aCurve = BRep_Tool::Curve((const TopoDS_Edge&)aShape, aFirst, aLast);
+ if (aCurve.IsNull() || !aCurve->IsPeriodic())
+ return false;
+ aLast += aLast > aFirst ? -aCurve->Period() : aCurve->Period();;
+
+ return fabs(aFirst - aLast) < 1.e-9;
+}
+
+bool GeomAPI_Edge::isDegenerated() const
+{
+ const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
+ if (aShape.IsNull() || aShape.ShapeType() != TopAbs_EDGE)
+ return false;
+ return BRep_Tool::Degenerated(TopoDS::Edge(aShape));
+}
+
+void GeomAPI_Edge::setFirstPointTolerance(const double theTolerance)
+{
+ TopoDS_Edge anEdge = impl<TopoDS_Edge>();
+ TopoDS_Vertex aVFirst, aVLast;
+ TopExp::Vertices(anEdge, aVFirst, aVLast);
+ BRep_Builder().UpdateVertex(aVFirst, theTolerance);
+}
+
+void GeomAPI_Edge::setLastPointTolerance(const double theTolerance)
+{
+ TopoDS_Edge anEdge = impl<TopoDS_Edge>();
+ TopoDS_Vertex aVFirst, aVLast;
+ TopExp::Vertices(anEdge, aVFirst, aVLast);
+ BRep_Builder().UpdateVertex(aVLast, theTolerance);
+}
+
+GeomPointPtr GeomAPI_Edge::middlePoint() const
+{
+ GeomPointPtr aMiddlePoint;
+
+ const TopoDS_Edge& anEdge = impl<TopoDS_Edge>();
+ if (anEdge.IsNull())
+ return aMiddlePoint;
+ double aFirst, aLast;
+ Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
+ if (aCurve.IsNull())
+ return aMiddlePoint;
+
+ static const int NB_POINTS = 3;
+ GeomAdaptor_Curve aCurveAdaptor(aCurve, aFirst, aLast);
+ GCPnts_UniformAbscissa anAlgo(aCurveAdaptor, NB_POINTS);
+ if (anAlgo.IsDone()) {
+ gp_Pnt aPnt = aCurveAdaptor.Value(anAlgo.Parameter(2));
+ aMiddlePoint = GeomPointPtr(new GeomAPI_Pnt(aPnt.X(), aPnt.Y(), aPnt.Z()));
+ }
+ return aMiddlePoint;
+}