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188 lines
7.1 KiB
C++
188 lines
7.1 KiB
C++
// Created on: 1993-06-21
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// Created by: Martine LANGLOIS
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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 <Geom2d_BoundedCurve.hxx>
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#include <Geom2d_BSplineCurve.hxx>
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#include <Geom2d_Circle.hxx>
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#include <Geom2d_Conic.hxx>
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#include <Geom2d_Curve.hxx>
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#include <Geom2d_Ellipse.hxx>
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#include <Geom2d_Line.hxx>
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#include <Geom2dConvert.hxx>
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#include <Geom_BezierCurve.hxx>
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#include <Geom_BoundedCurve.hxx>
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#include <Geom_BSplineCurve.hxx>
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#include <Geom_Conic.hxx>
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#include <Geom_Curve.hxx>
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#include <Geom_Line.hxx>
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#include <Geom_TrimmedCurve.hxx>
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#include <GeomToStep_MakeBoundedCurve.hxx>
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#include <GeomToStep_MakeConic.hxx>
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#include <GeomToStep_MakeCurve.hxx>
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#include <GeomToStep_MakeLine.hxx>
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#include <gp_Circ2d.hxx>
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#include <gp_Elips2d.hxx>
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#include <StdFail_NotDone.hxx>
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#include <StepData_Factors.hxx>
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#include <StepGeom_Axis2Placement3d.hxx>
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#include <StepGeom_BoundedCurve.hxx>
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#include <StepGeom_Conic.hxx>
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#include <StepGeom_Curve.hxx>
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#include <StepGeom_Line.hxx>
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#include <Geom2d_TrimmedCurve.hxx>
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//=============================================================================
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// Creation d' une Curve de prostep a partir d' une Curve de Geom
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//=============================================================================
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GeomToStep_MakeCurve::GeomToStep_MakeCurve ( const Handle(Geom_Curve)& C,
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const StepData_Factors& theLocalFactors)
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{
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done = Standard_True;
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if (C->IsKind(STANDARD_TYPE(Geom_Line))) {
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Handle(Geom_Line) L = Handle(Geom_Line)::DownCast(C);
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GeomToStep_MakeLine MkLine(L, theLocalFactors);
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theCurve = MkLine.Value();
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}
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else if (C->IsKind(STANDARD_TYPE(Geom_Conic))) {
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Handle(Geom_Conic) L = Handle(Geom_Conic)::DownCast(C);
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GeomToStep_MakeConic MkConic(L, theLocalFactors);
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theCurve = MkConic.Value();
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}
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else if (C->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) {
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Handle(Geom_TrimmedCurve) T = Handle(Geom_TrimmedCurve)::DownCast(C);
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Handle(Geom_Curve) B = T->BasisCurve();
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// TANT PIS, on passe la courbe de base ...
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if (B->IsKind(STANDARD_TYPE(Geom_BSplineCurve))) {
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Handle(Geom_BSplineCurve) BS = Handle(Geom_BSplineCurve)::DownCast
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(B->Copy());
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BS->Segment (T->FirstParameter(),T->LastParameter());
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B = BS;
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}
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else if (B->IsKind(STANDARD_TYPE(Geom_BezierCurve))) {
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Handle(Geom_BezierCurve) BZ = Handle(Geom_BezierCurve)::DownCast
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(B->Copy());
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BZ->Segment (T->FirstParameter(),T->LastParameter());
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B = BZ;
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}
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else {
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#ifdef OCCT_DEBUG
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std::cout<<"GeomToStep_MakeCurve, TrimmedCurve, BasisCurve is transferred not trimmed"<<std::endl;
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std::cout<<"BasisCurve Type : "<<B->DynamicType()->Name()<<std::endl;
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#endif
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}
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GeomToStep_MakeCurve MkBasisC(B, theLocalFactors);
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theCurve = MkBasisC.Value();
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}
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else if (C->IsKind(STANDARD_TYPE(Geom_BoundedCurve))) {
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Handle(Geom_BoundedCurve) L = Handle(Geom_BoundedCurve)::DownCast(C);
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GeomToStep_MakeBoundedCurve MkBoundedC(L, theLocalFactors);
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theCurve = MkBoundedC.Value();
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}
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else
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done = Standard_False;
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}
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//=============================================================================
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// Creation d'une Curve de prostep a partir d' une Curve de Geom2d
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//=============================================================================
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GeomToStep_MakeCurve::GeomToStep_MakeCurve ( const Handle(Geom2d_Curve)& C,
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const StepData_Factors& theLocalFactors)
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{
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done = Standard_True;
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if (C->IsKind(STANDARD_TYPE(Geom2d_Line))) {
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Handle(Geom2d_Line) L = Handle(Geom2d_Line)::DownCast(C);
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GeomToStep_MakeLine MkLine(L, theLocalFactors);
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theCurve = MkLine.Value();
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}
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else if (C->IsKind(STANDARD_TYPE(Geom2d_Conic))) {
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// ----------------------------------------------------------------------
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// A Circle of an Ellipse can be indirect. An indirect Axis in not
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// mappable onto STEP. Then to avoid changing the topology, the Circle
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// or the Ellipse are converted into BSpline Curves
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// ----------------------------------------------------------------------
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if (C->IsKind(STANDARD_TYPE(Geom2d_Circle))) {
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Handle(Geom2d_Circle) theC2d = Handle(Geom2d_Circle)::DownCast(C);
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gp_Circ2d C2d = theC2d->Circ2d();
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if (!C2d.IsDirect()) {
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#ifdef OCCT_DEBUG
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std::cout << "Warning : Circle converted to BSpline." << std::endl;
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#endif
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Handle(Geom2d_BSplineCurve) aBSplineCurve2d =
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Geom2dConvert::CurveToBSplineCurve(theC2d);
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const Handle(Geom2d_BoundedCurve)& aBC2d = aBSplineCurve2d; // to avoid ambiguity
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GeomToStep_MakeBoundedCurve MkBoundedC(aBC2d, theLocalFactors);
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theCurve = MkBoundedC.Value();
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}
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else {
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Handle(Geom2d_Conic) L = Handle(Geom2d_Conic)::DownCast(C);
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GeomToStep_MakeConic MkConic(L, theLocalFactors);
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theCurve = MkConic.Value();
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}
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}
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else if (C->IsKind(STANDARD_TYPE(Geom2d_Ellipse))) {
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Handle(Geom2d_Ellipse) theE2d = Handle(Geom2d_Ellipse)::DownCast(C);
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gp_Elips2d E2d = theE2d->Elips2d();
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if (!E2d.IsDirect()) {
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#ifdef OCCT_DEBUG
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std::cout << "Warning : Ellipse converted to BSpline." << std::endl;
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#endif
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Handle(Geom2d_BSplineCurve) aBSplineCurve2d =
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Geom2dConvert::CurveToBSplineCurve(theE2d);
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const Handle(Geom2d_BoundedCurve)& aBC2d = aBSplineCurve2d; // to avoid ambiguity
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GeomToStep_MakeBoundedCurve MkBoundedC(aBC2d, theLocalFactors);
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theCurve = MkBoundedC.Value();
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}
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else {
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Handle(Geom2d_Conic) L = Handle(Geom2d_Conic)::DownCast(C);
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GeomToStep_MakeConic MkConic(L, theLocalFactors);
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theCurve = MkConic.Value();
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}
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}
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else {
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Handle(Geom2d_Conic) L = Handle(Geom2d_Conic)::DownCast(C);
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GeomToStep_MakeConic MkConic(L, theLocalFactors);
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theCurve = MkConic.Value();
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}
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}
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else if (C->IsKind(STANDARD_TYPE(Geom2d_BoundedCurve))) {
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Handle(Geom2d_BoundedCurve) L = Handle(Geom2d_BoundedCurve)::DownCast(C);
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GeomToStep_MakeBoundedCurve MkBoundedC(L, theLocalFactors);
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theCurve = MkBoundedC.Value();
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}
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else if (C->IsKind(STANDARD_TYPE(Geom2d_TrimmedCurve))) {
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GeomToStep_MakeCurve aMaker(Handle(Geom2d_TrimmedCurve)::DownCast(C)->BasisCurve(), theLocalFactors);
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theCurve = aMaker.Value();
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}
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else
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done = Standard_False;
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}
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//=============================================================================
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// renvoi des valeurs
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//=============================================================================
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const Handle(StepGeom_Curve) &
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GeomToStep_MakeCurve::Value() const
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{
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StdFail_NotDone_Raise_if (!done, "GeomToStep_MakeCurve::Value() - no result");
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return theCurve;
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}
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