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98 lines
4.1 KiB
C++
98 lines
4.1 KiB
C++
// Created on: 1997-08-22
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// Created by: Jeannine PANCIATICI, Sergey SOKOLOV
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// Copyright (c) 1997-1999 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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#ifndef _Approx_CurvilinearParameter_HeaderFile
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#define _Approx_CurvilinearParameter_HeaderFile
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#include <Adaptor2d_Curve2d.hxx>
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#include <Adaptor3d_Surface.hxx>
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#include <GeomAbs_Shape.hxx>
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#include <Standard_OStream.hxx>
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//! Approximation of a Curve to make its parameter be its curvilinear abscissa.
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//! If the curve is a curve on a surface S, C2D is the corresponding Pcurve,
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//! we consider the curve is given by its representation
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//! @code
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//! S(C2D(u))
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//! @endcode
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//! If the curve is a curve on 2 surfaces S1 and S2 and C2D1 C2D2 are the two corresponding Pcurve,
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//! we consider the curve is given by its representation
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//! @code
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//! 1/2(S1(C2D1(u) + S2(C2D2(u)))
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//! @endcode
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class Approx_CurvilinearParameter
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! case of a free 3D curve
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Standard_EXPORT Approx_CurvilinearParameter(const Handle(Adaptor3d_Curve)& C3D, const Standard_Real Tol, const GeomAbs_Shape Order, const Standard_Integer MaxDegree, const Standard_Integer MaxSegments);
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//! case of a curve on one surface
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Standard_EXPORT Approx_CurvilinearParameter(const Handle(Adaptor2d_Curve2d)& C2D, const Handle(Adaptor3d_Surface)& Surf, const Standard_Real Tol, const GeomAbs_Shape Order, const Standard_Integer MaxDegree, const Standard_Integer MaxSegments);
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//! case of a curve on two surfaces
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Standard_EXPORT Approx_CurvilinearParameter(const Handle(Adaptor2d_Curve2d)& C2D1, const Handle(Adaptor3d_Surface)& Surf1, const Handle(Adaptor2d_Curve2d)& C2D2, const Handle(Adaptor3d_Surface)& Surf2, const Standard_Real Tol, const GeomAbs_Shape Order, const Standard_Integer MaxDegree, const Standard_Integer MaxSegments);
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Standard_EXPORT Standard_Boolean IsDone() const;
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Standard_EXPORT Standard_Boolean HasResult() const;
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//! returns the Bspline curve corresponding to the reparametrized 3D curve
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Standard_EXPORT Handle(Geom_BSplineCurve) Curve3d() const;
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//! returns the maximum error on the reparametrized 3D curve
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Standard_EXPORT Standard_Real MaxError3d() const;
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//! returns the BsplineCurve representing the reparametrized 2D curve on the
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//! first surface (case of a curve on one or two surfaces)
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Standard_EXPORT Handle(Geom2d_BSplineCurve) Curve2d1() const;
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//! returns the maximum error on the first reparametrized 2D curve
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Standard_EXPORT Standard_Real MaxError2d1() const;
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//! returns the BsplineCurve representing the reparametrized 2D curve on the
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//! second surface (case of a curve on two surfaces)
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Standard_EXPORT Handle(Geom2d_BSplineCurve) Curve2d2() const;
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//! returns the maximum error on the second reparametrized 2D curve
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Standard_EXPORT Standard_Real MaxError2d2() const;
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//! print the maximum errors(s)
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Standard_EXPORT void Dump (Standard_OStream& o) const;
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private:
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Standard_EXPORT static void ToleranceComputation (const Handle(Adaptor2d_Curve2d)& C2D, const Handle(Adaptor3d_Surface)& S, const Standard_Integer MaxNumber, const Standard_Real Tol, Standard_Real& TolV, Standard_Real& TolW);
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private:
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Standard_Integer myCase;
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Standard_Boolean myDone;
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Standard_Boolean myHasResult;
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Handle(Geom_BSplineCurve) myCurve3d;
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Standard_Real myMaxError3d;
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Handle(Geom2d_BSplineCurve) myCurve2d1;
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Standard_Real myMaxError2d1;
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Handle(Geom2d_BSplineCurve) myCurve2d2;
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Standard_Real myMaxError2d2;
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};
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#endif // _Approx_CurvilinearParameter_HeaderFile
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