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138 lines
4.3 KiB
C++
138 lines
4.3 KiB
C++
// Created on: 1993-12-15
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// Created by: Christophe MARION
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// Copyright (c) 1993-1999 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 <BRepExtrema_ExtCC.hxx>
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#include <BRep_Tool.hxx>
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#include <Extrema_POnCurv.hxx>
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#include <BRepAdaptor_Curve.hxx>
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#include <BRepAdaptor_HCurve.hxx>
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//=======================================================================
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//function : BRepExtrema_ExtCC
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//purpose :
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//=======================================================================
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BRepExtrema_ExtCC::BRepExtrema_ExtCC(const TopoDS_Edge& E1, const TopoDS_Edge& E2)
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{
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Initialize(E2);
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Perform(E1);
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}
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//=======================================================================
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//function : Initialize
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//purpose :
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//=======================================================================
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void BRepExtrema_ExtCC::Initialize(const TopoDS_Edge& E2)
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{
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Standard_Real V1,V2;
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BRepAdaptor_Curve Curv(E2);
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myHC = new BRepAdaptor_HCurve(Curv);
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Standard_Real Tol = Min(BRep_Tool::Tolerance(E2), Precision::Confusion());
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Tol = Max(Curv.Resolution(Tol), Precision::PConfusion());
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BRep_Tool::Range(E2,V1,V2);
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myExtCC.SetCurve(2,myHC->Curve(),V1,V2);
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myExtCC.SetTolerance(2, Tol);
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}
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//=======================================================================
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//function : Perform
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//purpose :
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//=======================================================================
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void BRepExtrema_ExtCC::Perform(const TopoDS_Edge& E1)
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{
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Standard_Real U1, U2;
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BRepAdaptor_Curve Curv(E1);
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Handle(BRepAdaptor_HCurve) HC = new BRepAdaptor_HCurve(Curv);
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Standard_Real Tol = Min(BRep_Tool::Tolerance(E1), Precision::Confusion());
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Tol = Max(Curv.Resolution(Tol), Precision::PConfusion());
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BRep_Tool::Range(E1,U1,U2);
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myExtCC.SetCurve (1, HC->Curve(), U1, U2);
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myExtCC.SetTolerance(1, Tol);
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myExtCC.Perform();
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}
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//=======================================================================
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//function : ParameterOnE1
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//purpose :
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//=======================================================================
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Standard_Real BRepExtrema_ExtCC::ParameterOnE1(const Standard_Integer N) const
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{
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Extrema_POnCurv POnE1, POnE2;
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myExtCC.Points(N, POnE1, POnE2);
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return POnE1.Parameter();
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}
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//=======================================================================
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//function : PointOnE1
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//purpose :
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//=======================================================================
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gp_Pnt BRepExtrema_ExtCC::PointOnE1(const Standard_Integer N) const
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{
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Extrema_POnCurv POnE1, POnE2;
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myExtCC.Points(N, POnE1, POnE2);
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return POnE1.Value();
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}
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//=======================================================================
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//function : ParameterOnE2
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//purpose :
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//=======================================================================
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Standard_Real BRepExtrema_ExtCC::ParameterOnE2(const Standard_Integer N) const
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{
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Extrema_POnCurv POnE1, POnE2;
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myExtCC.Points(N, POnE1, POnE2);
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return POnE2.Parameter();
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}
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//=======================================================================
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//function : PointOnE2
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//purpose :
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//=======================================================================
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gp_Pnt BRepExtrema_ExtCC::PointOnE2(const Standard_Integer N) const
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{
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Extrema_POnCurv POnE1, POnE2;
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myExtCC.Points(N, POnE1, POnE2);
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return POnE2.Value();
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}
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//=======================================================================
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//function : TrimmedSquareDistances
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//purpose :
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//=======================================================================
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void BRepExtrema_ExtCC::TrimmedSquareDistances
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(Standard_Real& dist11,
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Standard_Real& dist12,
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Standard_Real& dist21,
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Standard_Real& dist22,
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gp_Pnt& pnt11,
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gp_Pnt& pnt12,
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gp_Pnt& pnt21,
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gp_Pnt& pnt22) const
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{
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myExtCC.TrimmedSquareDistances(dist11,dist12,dist21,dist22,
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pnt11,pnt12,pnt21,pnt22);
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}
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