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42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
226 lines
7.2 KiB
C++
226 lines
7.2 KiB
C++
// Created on: 1995-04-28
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// Created by: Flore Lantheaume
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// Copyright (c) 1995-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <Adaptor3d_HSurface.hxx>
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#include <ChFiDS_Spine.hxx>
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#include <ChFiDS_SurfData.hxx>
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#include <ChFiKPart_ComputeData.hxx>
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#include <ChFiKPart_ComputeData_Fcts.hxx>
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#include <ElCLib.hxx>
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#include <ElSLib.hxx>
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#include <Geom2d_Line.hxx>
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#include <Geom_Line.hxx>
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#include <Geom_Plane.hxx>
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#include <gp.hxx>
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#include <gp_Ax3.hxx>
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#include <gp_Dir.hxx>
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#include <gp_Dir2d.hxx>
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#include <gp_Lin.hxx>
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#include <gp_Lin2d.hxx>
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#include <gp_Pln.hxx>
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#include <gp_Pnt.hxx>
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#include <gp_Pnt2d.hxx>
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#include <IntAna_QuadQuadGeo.hxx>
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#include <Precision.hxx>
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#include <TopOpeBRepDS_DataStructure.hxx>
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//=======================================================================
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//function : MakeChamfer
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//Purpose : Compute the chamfer in the particular case plane/plane.
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// Compute the SurfData <Data> of the chamfer on the <Spine>
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// between the plane <Pl1> and the plane <Pl2>, with distances
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// <Dis1> on <Pl1> and <Dis2> on <Pl2>.
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// <First> is the parameter of the start point on the <Spine>
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// <Or1> and <Or2> are the orientations of the plane <Pl1> and
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// <Pl2>, and <Of1> the orientation of the face build on the
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// plane <Pl1>.
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//Out : True if the chamfer has been computed
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// False else
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//=======================================================================
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Standard_Boolean ChFiKPart_MakeChamfer(TopOpeBRepDS_DataStructure& DStr,
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const Handle(ChFiDS_SurfData)& Data,
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const gp_Pln& Pl1,
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const gp_Pln& Pl2,
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const TopAbs_Orientation Or1,
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const TopAbs_Orientation Or2,
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const Standard_Real Dis1,
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const Standard_Real Dis2,
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const gp_Lin& Spine,
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const Standard_Real First,
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const TopAbs_Orientation Of1)
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{
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// Creation of the plane which carry the chamfer
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// compute the normals to the planes Pl1 and Pl2
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gp_Ax3 Pos1 = Pl1.Position();
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gp_Dir D1 = Pos1.XDirection().Crossed(Pos1.YDirection());
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if (Or1 == TopAbs_REVERSED) { D1.Reverse(); }
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gp_Ax3 Pos2 = Pl2.Position();
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gp_Dir D2 = Pos2.XDirection().Crossed(Pos2.YDirection());
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if (Or2 == TopAbs_REVERSED) { D2.Reverse(); }
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// compute the intersection line of Pl1 and Pl2
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IntAna_QuadQuadGeo LInt (Pl1,Pl2,Precision::Angular(),
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Precision::Confusion());
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gp_Pnt P;
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Standard_Real Fint;
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if (LInt.IsDone()) {
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Fint = ElCLib::Parameter(LInt.Line(1),ElCLib::Value(First,Spine));
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P = ElCLib::Value(Fint,LInt.Line(1));
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}
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else { return Standard_False; }
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gp_Dir LinAx1 = Spine.Direction();
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gp_Dir VecTransl1 = LinAx1.Crossed(D1);
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if ( VecTransl1.Dot(D2) <=0. )
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VecTransl1.Reverse();
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gp_Dir VecTransl2 = LinAx1.Crossed(D2);
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if ( VecTransl2.Dot(D1) <=0. )
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VecTransl2.Reverse();
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// Compute a point on the plane Pl1 and on the chamfer
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gp_Pnt P1( P.X()+Dis1*VecTransl1.X(),
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P.Y()+Dis1*VecTransl1.Y(),
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P.Z()+Dis1*VecTransl1.Z());
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// Point on the plane Pl2 and on the chamfer
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gp_Pnt P2( P.X()+Dis2*VecTransl2.X(),
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P.Y()+Dis2*VecTransl2.Y(),
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P.Z()+Dis2*VecTransl2.Z());
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//the middle point of P1 P2 is the origin of the chamfer
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gp_Pnt Po ( (P1.X()+P2.X())/2. ,(P1.Y()+P2.Y())/2. , (P1.Z()+P2.Z())/2. );
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// compute a second point on the plane Pl2
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gp_Pnt Pp = ElCLib::Value(Fint+10.,LInt.Line(1));
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gp_Pnt P22(Pp.X()+Dis2*VecTransl2.X(),
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Pp.Y()+Dis2*VecTransl2.Y(),
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Pp.Z()+Dis2*VecTransl2.Z());
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// Compute the normal vector <AxisPlan> to the chamfer's plane
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gp_Dir V1 ( P2.X()-P1.X(), P2.Y()-P1.Y(), P2.Z()-P1.Z());
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gp_Dir V2 ( P22.X()-P1.X(), P22.Y()-P1.Y(), P22.Z()-P1.Z());
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gp_Dir AxisPlan = V1.Crossed(V2);
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gp_Dir xdir = LinAx1; // u axis
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gp_Ax3 PlanAx3 ( Po, AxisPlan, xdir);
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if (PlanAx3.YDirection().Dot(D2)>=0.) PlanAx3.YReverse();
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Handle(Geom_Plane) gpl= new Geom_Plane(PlanAx3);
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Data->ChangeSurf(ChFiKPart_IndexSurfaceInDS(gpl,DStr));
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// About the orientation of the chamfer plane
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// Compute the normal to the face 1
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gp_Dir norpl = Pos1.XDirection().Crossed(Pos1.YDirection());
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gp_Dir norface1 = norpl;
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if (Of1 == TopAbs_REVERSED ) { norface1.Reverse(); }
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// Compute the orientation of the chamfer plane
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gp_Dir norplch = gpl->Pln().Position().XDirection().Crossed (
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gpl->Pln().Position().YDirection());
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gp_Dir DirCh12(gp_Vec(P1, P2));
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Standard_Boolean toreverse = ( norplch.Dot(norface1) <= 0. );
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if (VecTransl1.Dot(DirCh12) > 0) toreverse = !toreverse;
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if (toreverse)
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Data->ChangeOrientation() = TopAbs_REVERSED;
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else
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Data->ChangeOrientation() = TopAbs_FORWARD;
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// Loading of the FaceInterferences with pcurves & 3d curves.
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// case face 1
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gp_Lin linPln(P1, xdir);
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Handle(Geom_Line) GLinPln1 = new Geom_Line(linPln);
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Standard_Real u,v;
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ElSLib::PlaneParameters(Pos1,P1,u,v);
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gp_Pnt2d p2dPln(u,v);
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gp_Dir2d dir2dPln( xdir.Dot(Pos1.XDirection()),
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xdir.Dot(Pos1.YDirection()));
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gp_Lin2d lin2dPln(p2dPln,dir2dPln);
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Handle(Geom2d_Line) GLin2dPln1 = new Geom2d_Line(lin2dPln);
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ElSLib::PlaneParameters(PlanAx3,P1,u,v);
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p2dPln.SetCoord(u,v);
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lin2dPln.SetLocation(p2dPln);
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lin2dPln.SetDirection(gp::DX2d());
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Handle(Geom2d_Line) GLin2dPlnCh1 = new Geom2d_Line(lin2dPln);
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TopAbs_Orientation trans;
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toreverse = ( norplch.Dot(norpl) <= 0. );
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if (VecTransl1.Dot(DirCh12) > 0) toreverse = !toreverse;
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if (toreverse)
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trans = TopAbs_FORWARD;
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else
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trans = TopAbs_REVERSED;
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Data->ChangeInterferenceOnS1().
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SetInterference(ChFiKPart_IndexCurveInDS(GLinPln1,DStr),
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trans,GLin2dPln1,GLin2dPlnCh1);
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// case face 2
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linPln.SetLocation(P2);
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Handle(Geom_Line) GLinPln2 = new Geom_Line(linPln);
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ElSLib::PlaneParameters(Pos2,P2,u,v);
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p2dPln.SetCoord(u,v);
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dir2dPln.SetCoord( xdir.Dot(Pos2.XDirection()),
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xdir.Dot(Pos2.YDirection()));
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lin2dPln.SetLocation(p2dPln);
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lin2dPln.SetDirection(dir2dPln);
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Handle(Geom2d_Line) GLin2dPln2 = new Geom2d_Line(lin2dPln);
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ElSLib::PlaneParameters(PlanAx3,P2,u,v);
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p2dPln.SetCoord(u,v);
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lin2dPln.SetLocation(p2dPln);
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lin2dPln.SetDirection(gp::DX2d());
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Handle(Geom2d_Line) GLin2dPlnCh2 = new Geom2d_Line(lin2dPln);
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norpl = Pos2.XDirection().Crossed(Pos2.YDirection());
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toreverse = ( norplch.Dot(norpl) <= 0. );
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if (VecTransl2.Dot(DirCh12) < 0) toreverse = !toreverse;
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if (toreverse)
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trans = TopAbs_REVERSED;
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else
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trans = TopAbs_FORWARD;
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Data->ChangeInterferenceOnS2().
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SetInterference(ChFiKPart_IndexCurveInDS(GLinPln2,DStr),
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trans,GLin2dPln2,GLin2dPlnCh2);
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return Standard_True;
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}
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