-// Copyright (C) 2014-20xx CEA/DEN, EDF R&D
-
-// File: GeomAlgoAPI_EdgeBuilder.cpp
-// Created: 23 Apr 2014
-// Author: Mikhail PONIKAROV
+// Copyright (C) 2014-2023 CEA, EDF
+//
+// 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
+//
#include <GeomAlgoAPI_EdgeBuilder.h>
+
+#include <GeomAPI_Ax2.h>
+#include <GeomAPI_Ax3.h>
+#include <GeomAPI_BSpline2d.h>
+#include <GeomAPI_Ellipse.h>
+#include <GeomAPI_Pnt2d.h>
+
#include <gp_Pln.hxx>
#include <BRepBuilderAPI_MakeEdge.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS.hxx>
#include <BRep_Tool.hxx>
+#include <Geom2d_BSplineCurve.hxx>
#include <Geom_Plane.hxx>
#include <Geom_CylindricalSurface.hxx>
+#include <Geom_RectangularTrimmedSurface.hxx>
+#include <GeomLib.hxx>
#include <gp_Ax2.hxx>
#include <gp_Circ.hxx>
+#include <gp_Elips.hxx>
+#include <Bnd_Box.hxx>
+#include <BRepBndLib.hxx>
+
+static GeomEdgePtr createLine(const gp_Pnt& theStart, const gp_Pnt& theEnd)
+{
+ GeomEdgePtr aRes;
+ if (!theStart.IsEqual(theEnd, Precision::Confusion()) &&
+ Abs(theStart.SquareDistance(theEnd)) < 1.e+100) {
+ BRepBuilderAPI_MakeEdge anEdgeBuilder(theStart, theEnd);
+ TopoDS_Edge anEdge = anEdgeBuilder.Edge();
+ aRes = GeomEdgePtr(new GeomAPI_Edge);
+ aRes->setImpl(new TopoDS_Shape(anEdge));
+ }
+ return aRes;
+}
std::shared_ptr<GeomAPI_Edge> GeomAlgoAPI_EdgeBuilder::line(
std::shared_ptr<GeomAPI_Pnt> theStart, std::shared_ptr<GeomAPI_Pnt> theEnd)
{
const gp_Pnt& aStart = theStart->impl<gp_Pnt>();
const gp_Pnt& anEnd = theEnd->impl<gp_Pnt>();
+ return createLine(aStart, anEnd);
+}
+std::shared_ptr<GeomAPI_Edge> GeomAlgoAPI_EdgeBuilder::line(
+ double theDX, double theDY, double theDZ)
+{
+ const gp_Pnt& aStart = gp_Pnt(0, 0, 0);
+ const gp_Pnt& anEnd = gp_Pnt(theDX, theDY, theDZ);
+ return createLine(aStart, anEnd);
+}
- if (aStart.IsEqual(anEnd, Precision::Confusion()))
- return std::shared_ptr<GeomAPI_Edge>();
- if (Abs(aStart.SquareDistance(anEnd)) > 1.e+100)
- return std::shared_ptr<GeomAPI_Edge>();
- BRepBuilderAPI_MakeEdge anEdgeBuilder(aStart, anEnd);
- std::shared_ptr<GeomAPI_Edge> aRes(new GeomAPI_Edge);
- TopoDS_Edge anEdge = anEdgeBuilder.Edge();
- aRes->setImpl(new TopoDS_Shape(anEdge));
+std::shared_ptr<GeomAPI_Edge> GeomAlgoAPI_EdgeBuilder::line(
+ const std::shared_ptr<GeomAPI_Lin> theLin)
+{
+ GeomEdgePtr aRes;
+ if (theLin.get()) {
+ const gp_Lin& aLin = theLin->impl<gp_Lin>();
+ BRepBuilderAPI_MakeEdge anEdgeBuilder(aLin);
+ TopoDS_Edge anEdge = anEdgeBuilder.Edge();
+ aRes = GeomEdgePtr(new GeomAPI_Edge);
+ aRes->setImpl(new TopoDS_Shape(anEdge));
+ }
return aRes;
}
Handle(Geom_Surface) aSurf = BRep_Tool::Surface(aFace, aLoc);
if (aSurf.IsNull())
return aResult;
+ Handle(Geom_RectangularTrimmedSurface) aTrimmed =
+ Handle(Geom_RectangularTrimmedSurface)::DownCast(aSurf);
+ if (!aTrimmed.IsNull())
+ aSurf = aTrimmed->BasisSurface();
Handle(Geom_CylindricalSurface) aCyl = Handle(Geom_CylindricalSurface)::DownCast(aSurf);
if (aCyl.IsNull())
return aResult;
gp_Ax1 anAxis = aCyl->Axis();
+ // compute the start and the end points of the resulting edge by the bounding box of the face
+ // (vertices projected to the axis) plus 10%
+ Bnd_Box aFaceBnd;
+ BRepBndLib::Add(aFace, aFaceBnd);
+ gp_Pnt aBoxMin(aFaceBnd.CornerMin()), aBoxMax(aFaceBnd.CornerMax());
+ bool isFirst = true;
+ double aParamMin = 0, aParamMax = 0;
+ for(int aX = 0; aX < 2; aX++) {
+ for(int aY = 0; aY < 2; aY++) {
+ for(int aZ = 0; aZ < 2; aZ++) {
+ gp_XYZ aBoxVertex(aX == 0 ? aBoxMin.X() : aBoxMax.X(),
+ aY == 0 ? aBoxMin.Y() : aBoxMax.Y(), aZ == 0 ? aBoxMin.Z() : aBoxMax.Z());
+ gp_XYZ aVec(aBoxVertex - anAxis.Location().XYZ());
+ double aProjParam = aVec.Dot(anAxis.Direction().XYZ());
+ if (isFirst) {
+ isFirst = false;
+ aParamMin = aProjParam;
+ aParamMax = aProjParam;
+ } else {
+ if (aParamMin > aProjParam)
+ aParamMin = aProjParam;
+ else if (aParamMax < aProjParam)
+ aParamMax = aProjParam;
+ }
+ }
+ }
+ }
+ // add 10%
+ double aDelta = aParamMax - aParamMin;
+ if (aDelta < 1.e-4) aDelta = 1.e-4;
+ aParamMin -= aDelta * 0.1;
+ aParamMax += aDelta * 0.1;
+
+ gp_Pnt aStart(aParamMin * anAxis.Direction().XYZ() + anAxis.Location().XYZ());
+ aStart.Transform(aLoc.Transformation());
+ gp_Pnt anEnd(aParamMax * anAxis.Direction().XYZ() + anAxis.Location().XYZ());
+ anEnd.Transform(aLoc.Transformation());
+ /*
gp_Pnt aStart(anAxis.Location().Transformed(aLoc.Transformation()));
// edge length is 100, "-" because cylinder of extrusion has negative direction with the cylinder
gp_Pnt anEnd(anAxis.Location().XYZ() - anAxis.Direction().XYZ() * 100.);
anEnd.Transform(aLoc.Transformation());
-
+ */
+
BRepBuilderAPI_MakeEdge anEdgeBuilder(aStart, anEnd);
std::shared_ptr<GeomAPI_Edge> aRes(new GeomAPI_Edge);
TopoDS_Edge anEdge = anEdgeBuilder.Edge();
+ // an axis is an infinite object
+ anEdge.Infinite(Standard_True);
aRes->setImpl(new TopoDS_Shape(anEdge));
return aRes;
}
std::shared_ptr<GeomAPI_Edge> GeomAlgoAPI_EdgeBuilder::lineCircle(
std::shared_ptr<GeomAPI_Pnt> theCenter, std::shared_ptr<GeomAPI_Dir> theNormal,
- double theRadius)
+ double theRadius, double theRotationAngle)
{
const gp_Pnt& aCenter = theCenter->impl<gp_Pnt>();
const gp_Dir& aDir = theNormal->impl<gp_Dir>();
+ gp_Ax1 anAx(aCenter, aDir);
+
gp_Circ aCircle(gp_Ax2(aCenter, aDir), theRadius);
+ if (Abs(theRotationAngle) > 1.e-7) // Tolerance
+ aCircle.Rotate(anAx, theRotationAngle);
BRepBuilderAPI_MakeEdge anEdgeBuilder(aCircle);
std::shared_ptr<GeomAPI_Edge> aRes(new GeomAPI_Edge);
return aRes;
}
+std::shared_ptr<GeomAPI_Edge> GeomAlgoAPI_EdgeBuilder::lineCircle(
+ std::shared_ptr<GeomAPI_Circ> theCircle)
+{
+ GeomEdgePtr aRes;
+ if (theCircle.get()) {
+ const gp_Circ& aCirc = theCircle->impl<gp_Circ>();
+ BRepBuilderAPI_MakeEdge anEdgeBuilder(aCirc);
+ TopoDS_Edge anEdge = anEdgeBuilder.Edge();
+ aRes = GeomEdgePtr(new GeomAPI_Edge);
+ aRes->setImpl(new TopoDS_Shape(anEdge));
+ }
+ return aRes;
+}
+
std::shared_ptr<GeomAPI_Edge> GeomAlgoAPI_EdgeBuilder::lineCircleArc(
std::shared_ptr<GeomAPI_Pnt> theCenter, std::shared_ptr<GeomAPI_Pnt> theStartPoint,
std::shared_ptr<GeomAPI_Pnt> theEndPoint, std::shared_ptr<GeomAPI_Dir> theNormal)
{
+ std::shared_ptr<GeomAPI_Edge> aRes;
+
const gp_Pnt& aCenter = theCenter->impl<gp_Pnt>();
const gp_Dir& aDir = theNormal->impl<gp_Dir>();
+ /// OCCT creates an edge on a circle with empty radius, but visualization
+ /// is not able to process it
+ if (theCenter->isEqual(theStartPoint) || theCenter->isEqual(theEndPoint))
+ return aRes;
+
double aRadius = theCenter->distance(theStartPoint);
gp_Circ aCircle(gp_Ax2(aCenter, aDir), aRadius);
const gp_Pnt& aStart = theStartPoint->impl<gp_Pnt>();
- const gp_Pnt& anEnd = theEndPoint->impl<gp_Pnt>();
+ const gp_Pnt& anEndInter = theEndPoint->impl<gp_Pnt>();
+
+ // project end point to a circle
+ gp_XYZ aEndDir = anEndInter.XYZ() - aCenter.XYZ();
+ gp_Pnt anEnd(aCenter.XYZ() + aEndDir.Normalized() * aRadius);
BRepBuilderAPI_MakeEdge anEdgeBuilder;
- if (aStart.IsEqual(anEnd, Precision::Confusion())
- || gp_Pnt(0, 0, 0).IsEqual(anEnd, Precision::Confusion()))
- anEdgeBuilder = BRepBuilderAPI_MakeEdge(aCircle);
- else
- anEdgeBuilder = BRepBuilderAPI_MakeEdge(aCircle, aStart, anEnd);
+ anEdgeBuilder = BRepBuilderAPI_MakeEdge(aCircle, aStart, anEnd);
- std::shared_ptr<GeomAPI_Edge> aRes(new GeomAPI_Edge);
anEdgeBuilder.Build();
- if (anEdgeBuilder.IsDone())
+ if (anEdgeBuilder.IsDone()) {
+ aRes = std::shared_ptr<GeomAPI_Edge>(new GeomAPI_Edge);
aRes->setImpl(new TopoDS_Shape(anEdgeBuilder.Edge()));
- else
- aRes = std::shared_ptr<GeomAPI_Edge>();
+ }
+ return aRes;
+}
+
+std::shared_ptr<GeomAPI_Edge> GeomAlgoAPI_EdgeBuilder::ellipse(
+ const std::shared_ptr<GeomAPI_Pnt>& theCenter,
+ const std::shared_ptr<GeomAPI_Dir>& theNormal,
+ const std::shared_ptr<GeomAPI_Dir>& theMajorAxis,
+ const double theMajorRadius,
+ const double theMinorRadius)
+{
+ const gp_Pnt& aCenter = theCenter->impl<gp_Pnt>();
+ const gp_Dir& aNormal = theNormal->impl<gp_Dir>();
+ const gp_Dir& aMajorAxis = theMajorAxis->impl<gp_Dir>();
+
+ gp_Elips anEllipse(gp_Ax2(aCenter, aNormal, aMajorAxis), theMajorRadius, theMinorRadius);
+
+ BRepBuilderAPI_MakeEdge anEdgeBuilder(anEllipse);
+ std::shared_ptr<GeomAPI_Edge> aRes(new GeomAPI_Edge);
+ TopoDS_Edge anEdge = anEdgeBuilder.Edge();
+ aRes->setImpl(new TopoDS_Shape(anEdge));
+ return aRes;
+}
+
+std::shared_ptr<GeomAPI_Edge> GeomAlgoAPI_EdgeBuilder::ellipticArc(
+ const std::shared_ptr<GeomAPI_Pnt>& theCenter,
+ const std::shared_ptr<GeomAPI_Dir>& theNormal,
+ const std::shared_ptr<GeomAPI_Dir>& theMajorAxis,
+ const double theMajorRadius,
+ const double theMinorRadius,
+ const std::shared_ptr<GeomAPI_Pnt>& theStart,
+ const std::shared_ptr<GeomAPI_Pnt>& theEnd)
+{
+ std::shared_ptr<GeomAPI_Ax2> anAx2(new GeomAPI_Ax2(theCenter, theNormal, theMajorAxis));
+ GeomAPI_Ellipse anEllipse(anAx2, theMajorRadius, theMinorRadius);
+
+ GeomPointPtr aStartPnt = anEllipse.project(theStart);
+ GeomPointPtr aEndPnt = anEllipse.project(theEnd);
+
+ double aStartParam, aEndParam;
+ anEllipse.parameter(aStartPnt, Precision::Confusion(), aStartParam);
+ anEllipse.parameter(aEndPnt, Precision::Confusion(), aEndParam);
+
+ BRepBuilderAPI_MakeEdge anEdgeBuilder(anEllipse.impl<gp_Elips>(), aStartParam, aEndParam);
+ GeomEdgePtr aRes(new GeomAPI_Edge);
+ TopoDS_Edge anEdge = anEdgeBuilder.Edge();
+ aRes->setImpl(new TopoDS_Shape(anEdge));
+ return aRes;
+}
+
+GeomEdgePtr GeomAlgoAPI_EdgeBuilder::bsplineOnPlane(
+ const std::shared_ptr<GeomAPI_Ax3>& thePlane,
+ const std::list<GeomPnt2dPtr>& thePoles,
+ const std::list<double>& theWeights,
+ const std::list<double>& theKnots,
+ const std::list<int>& theMults,
+ const int theDegree,
+ const bool thePeriodic)
+{
+ std::shared_ptr<GeomAPI_BSpline2d> aBSplineCurve(
+ new GeomAPI_BSpline2d(theDegree, thePoles, theWeights, theKnots, theMults, thePeriodic));
+ return bsplineOnPlane(thePlane, aBSplineCurve);
+}
+
+GeomEdgePtr GeomAlgoAPI_EdgeBuilder::bsplineOnPlane(
+ const std::shared_ptr<GeomAPI_Ax3>& thePlane,
+ const std::shared_ptr<GeomAPI_BSpline2d>& theCurve)
+{
+ Handle(Geom_Curve) aCurve3D = GeomLib::To3d(thePlane->impl<gp_Ax3>().Ax2(),
+ theCurve->impl<Handle_Geom2d_BSplineCurve>());
+
+ BRepBuilderAPI_MakeEdge anEdgeBuilder(aCurve3D);
+ GeomEdgePtr aRes(new GeomAPI_Edge);
+ TopoDS_Edge anEdge = anEdgeBuilder.Edge();
+ aRes->setImpl(new TopoDS_Shape(anEdge));
return aRes;
}
