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b2ec2f5d42
* Add status flag to GeomFill_Pipe * Add myIsPerform flag to GeomFill_Pipe * Add checking vectors in GeomFill_CorrectedFrenet * Add boolean return to SetCurve virtual methods * Add test case
120 lines
4.0 KiB
C++
120 lines
4.0 KiB
C++
// Created on: 1997-12-02
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// Created by: Philippe MANGIN
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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 _GeomFill_TrihedronLaw_HeaderFile
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#define _GeomFill_TrihedronLaw_HeaderFile
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#include <Adaptor3d_Curve.hxx>
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#include <GeomFill_PipeError.hxx>
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#include <GeomAbs_Shape.hxx>
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#include <TColStd_Array1OfReal.hxx>
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class gp_Vec;
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class GeomFill_TrihedronLaw;
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DEFINE_STANDARD_HANDLE(GeomFill_TrihedronLaw, Standard_Transient)
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//! To define Trihedron along one Curve
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class GeomFill_TrihedronLaw : public Standard_Transient
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{
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public:
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//! initialize curve of trihedron law
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//! @return Standard_True
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Standard_EXPORT virtual Standard_Boolean SetCurve (const Handle(Adaptor3d_Curve)& C);
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Standard_EXPORT virtual Handle(GeomFill_TrihedronLaw) Copy() const = 0;
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//! Give a status to the Law
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//! Returns PipeOk (default implementation)
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Standard_EXPORT virtual GeomFill_PipeError ErrorStatus() const;
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//! compute Triedrhon on curve at parameter <Param>
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Standard_EXPORT virtual Standard_Boolean D0 (const Standard_Real Param, gp_Vec& Tangent, gp_Vec& Normal, gp_Vec& BiNormal) = 0;
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//! compute Triedrhon and derivative Trihedron on curve
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//! at parameter <Param>
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//! Warning : It used only for C1 or C2 approximation
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Standard_EXPORT virtual Standard_Boolean D1 (const Standard_Real Param, gp_Vec& Tangent, gp_Vec& DTangent, gp_Vec& Normal, gp_Vec& DNormal, gp_Vec& BiNormal, gp_Vec& DBiNormal);
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//! compute Trihedron on curve
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//! first and seconde derivatives.
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//! Warning : It used only for C2 approximation
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Standard_EXPORT virtual Standard_Boolean D2 (const Standard_Real Param, gp_Vec& Tangent, gp_Vec& DTangent, gp_Vec& D2Tangent, gp_Vec& Normal, gp_Vec& DNormal, gp_Vec& D2Normal, gp_Vec& BiNormal, gp_Vec& DBiNormal, gp_Vec& D2BiNormal);
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//! Returns the number of intervals for continuity
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//! <S>.
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//! May be one if Continuity(me) >= <S>
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Standard_EXPORT virtual Standard_Integer NbIntervals (const GeomAbs_Shape S) const = 0;
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//! Stores in <T> the parameters bounding the intervals
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//! of continuity <S>.
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//!
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//! The array must provide enough room to accommodate
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//! for the parameters. i.e. T.Length() > NbIntervals()
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Standard_EXPORT virtual void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const = 0;
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//! Sets the bounds of the parametric interval on
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//! the function
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//! This determines the derivatives in these values if the
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//! function is not Cn.
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Standard_EXPORT virtual void SetInterval (const Standard_Real First, const Standard_Real Last);
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//! Gets the bounds of the parametric interval on
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//! the function
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Standard_EXPORT void GetInterval (Standard_Real& First, Standard_Real& Last);
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//! Get average value of M(t) and V(t) it is usfull to
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//! make fast approximation of rational surfaces.
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Standard_EXPORT virtual void GetAverageLaw (gp_Vec& ATangent, gp_Vec& ANormal, gp_Vec& ABiNormal) = 0;
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//! Say if the law is Constant
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Standard_EXPORT virtual Standard_Boolean IsConstant() const;
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//! Say if the law is defined, only by the 3d Geometry of
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//! the set Curve
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//! Return False by Default.
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Standard_EXPORT virtual Standard_Boolean IsOnlyBy3dCurve() const;
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DEFINE_STANDARD_RTTIEXT(GeomFill_TrihedronLaw,Standard_Transient)
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protected:
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Handle(Adaptor3d_Curve) myCurve;
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Handle(Adaptor3d_Curve) myTrimmed;
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private:
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};
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#endif // _GeomFill_TrihedronLaw_HeaderFile
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