-// Copyright (C) 2014-20xx CEA/DEN, EDF R&D
-
-// File: GeomAPI_Edge.cpp
-// Created: 24 Jul 2014
-// Author: Artem ZHIDKOV
+// Copyright (C) 2014-2017 CEA/DEN, EDF R&D
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or
+// email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
+//
#include<GeomAPI_Edge.h>
#include<GeomAPI_Pln.h>
#include<GeomAPI_Circ.h>
#include<GeomAPI_Dir.h>
#include<GeomAPI_Lin.h>
+#include<GeomAPI_Ax2.h>
+#include<GeomAPI_Ellipse.h>
#include <BRepAdaptor_Curve.hxx>
#include <TopoDS.hxx>
#include <BRep_Builder.hxx>
#include <BRep_Tool.hxx>
+#include <ElCLib.hxx>
+#include <GCPnts_UniformAbscissa.hxx>
#include <Geom_Curve.hxx>
#include <Geom_Line.hxx>
#include <Geom_Circle.hxx>
+#include <Geom_Ellipse.hxx>
+#include <Geom_Plane.hxx>
+#include <GeomAPI_IntCS.hxx>
#include <GeomAdaptor_Curve.hxx>
#include <gp_Ax1.hxx>
#include <gp_Pln.hxx>
+#include <gp_Elips.hxx>
+#include <TopExp.hxx>
#include <GCPnts_AbscissaPoint.hxx>
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.IsNull()) // degenerative edge
+ return false;
if (aCurve->IsKind(STANDARD_TYPE(Geom_Line)))
return true;
return false;
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.IsNull()) // degenerative edge
+ return false;
if (aCurve->IsKind(STANDARD_TYPE(Geom_Circle)))
{
// Check the difference of first and last parameters to be equal to the curve period
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.IsNull()) // degenerative edge
+ return false;
if (aCurve->IsKind(STANDARD_TYPE(Geom_Circle)))
{
// Check the difference of first and last parameters is not equal the curve period
return false;
}
+bool GeomAPI_Edge::isEllipse() const
+{
+ 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.IsNull()) // degenerative edge
+ return false;
+ if (aCurve->IsKind(STANDARD_TYPE(Geom_Ellipse)))
+ return true;
+ return false;
+}
+
std::shared_ptr<GeomAPI_Pnt> GeomAPI_Edge::firstPoint()
{
const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
return std::shared_ptr<GeomAPI_Pnt>(new GeomAPI_Pnt(aPoint.X(), aPoint.Y(), aPoint.Z()));
}
-std::shared_ptr<GeomAPI_Circ> GeomAPI_Edge::circle()
+std::shared_ptr<GeomAPI_Circ> GeomAPI_Edge::circle() const
{
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) {
+ if (!aCurve.IsNull()) {
Handle(Geom_Circle) aCirc = Handle(Geom_Circle)::DownCast(aCurve);
- if (aCirc) {
+ if (!aCirc.IsNull()) {
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();
return std::shared_ptr<GeomAPI_Circ>(); // not circle
}
-std::shared_ptr<GeomAPI_Lin> GeomAPI_Edge::line()
+std::shared_ptr<GeomAPI_Ellipse> GeomAPI_Edge::ellipse() const
+{
+ 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.IsNull()) {
+ Handle(Geom_Ellipse) aElips = Handle(Geom_Ellipse)::DownCast(aCurve);
+ if (!aElips.IsNull()) {
+ gp_Elips aGpElips = aElips->Elips();
+ std::shared_ptr<GeomAPI_Ellipse> aEllipse(new GeomAPI_Ellipse());
+ aEllipse->setImpl(new gp_Elips(aGpElips));
+ return aEllipse;
+ }
+ }
+ return std::shared_ptr<GeomAPI_Ellipse>(); // not elipse
+}
+
+std::shared_ptr<GeomAPI_Lin> GeomAPI_Edge::line() const
{
const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
double aFirst, aLast;
double aInStart, aInEnd;
Handle(Geom_Curve) aInCurve = BRep_Tool::Curve(TopoDS::Edge(aInShape), aInStart, aInEnd);
+ // Check that end point parameters are the same
+ if ((aMyStart != aInStart) || (aMyEnd != aInEnd))
+ return false;
+
// 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);
return inPlane;
}
+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);
+ 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);
+ }
+ }
+ }
+}
+
double GeomAPI_Edge::length() const
{
const TopoDS_Edge& anEdge = TopoDS::Edge(impl<TopoDS_Shape>());
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;
+}
