114 lines
4.7 KiB
C++
114 lines
4.7 KiB
C++
// Created on: 1998-05-05
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// Created by: Stepan MISHIN
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// Copyright (c) 1998-1999 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 _Geom_OsculatingSurface_HeaderFile
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#define _Geom_OsculatingSurface_HeaderFile
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#include "Standard.hxx"
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#include "Standard_DefineAlloc.hxx"
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#include "Standard_Handle.hxx"
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#include "Standard_Real.hxx"
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#include "Geom_HSequenceOfBSplineSurface.hxx"
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#include "TColStd_HSequenceOfInteger.hxx"
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#include "TColStd_Array1OfBoolean.hxx"
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#include "Standard_Integer.hxx"
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#include "GeomAbs_IsoType.hxx"
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#include "Geom_SequenceOfBSplineSurface.hxx"
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class Geom_Surface;
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class Geom_BSplineSurface;
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class Geom_OsculatingSurface;
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DEFINE_STANDARD_HANDLE(Geom_OsculatingSurface, Standard_Transient)
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class Geom_OsculatingSurface : public Standard_Transient
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{
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public:
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DEFINE_STANDARD_ALLOC
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Standard_EXPORT Geom_OsculatingSurface();
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//! detects if the surface has punctual U or V
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//! isoparametric curve along on the bounds of the surface
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//! relatively to the tolerance Tol and Builds the corresponding
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//! osculating surfaces.
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Standard_EXPORT Geom_OsculatingSurface(const Handle(Geom_Surface)& BS, const Standard_Real Tol);
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Standard_EXPORT void Init(const Handle(Geom_Surface)& BS, const Standard_Real Tol);
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Standard_EXPORT Handle(Geom_Surface) BasisSurface() const;
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Standard_EXPORT Standard_Real Tolerance() const;
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//! if Standard_True, L is the local osculating surface
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//! along U at the point U,V.
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Standard_EXPORT Standard_Boolean UOscSurf(const Standard_Real U,
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const Standard_Real V,
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Standard_Boolean& t,
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Handle(Geom_BSplineSurface)& L) const;
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//! if Standard_True, L is the local osculating surface
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//! along V at the point U,V.
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Standard_EXPORT Standard_Boolean VOscSurf(const Standard_Real U,
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const Standard_Real V,
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Standard_Boolean& t,
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Handle(Geom_BSplineSurface)& L) const;
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//! Dumps the content of me into the stream
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Standard_EXPORT virtual void DumpJson(Standard_OStream& theOStream,
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Standard_Integer theDepth = -1) const;
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DEFINE_STANDARD_RTTIEXT(Geom_OsculatingSurface, Standard_Transient)
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protected:
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private:
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//! returns False if the osculating surface can't be built
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Standard_EXPORT Standard_Boolean BuildOsculatingSurface(const Standard_Real Param,
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const Standard_Integer UKnot,
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const Standard_Integer VKnot,
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const Handle(Geom_BSplineSurface)& BS,
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Handle(Geom_BSplineSurface)& L) const;
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//! returns True if the isoparametric is
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//! quasi-punctual
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Standard_EXPORT Standard_Boolean IsQPunctual(const Handle(Geom_Surface)& S,
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const Standard_Real Param,
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const GeomAbs_IsoType IT,
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const Standard_Real TolMin,
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const Standard_Real TolMax) const;
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Standard_EXPORT Standard_Boolean HasOscSurf() const;
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Standard_EXPORT Standard_Boolean IsAlongU() const;
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Standard_EXPORT Standard_Boolean IsAlongV() const;
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Standard_EXPORT void ClearOsculFlags();
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Standard_EXPORT const Geom_SequenceOfBSplineSurface& GetSeqOfL1() const;
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Standard_EXPORT const Geom_SequenceOfBSplineSurface& GetSeqOfL2() const;
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Handle(Geom_Surface) myBasisSurf;
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Standard_Real myTol;
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Handle(Geom_HSequenceOfBSplineSurface) myOsculSurf1;
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Handle(Geom_HSequenceOfBSplineSurface) myOsculSurf2;
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Handle(TColStd_HSequenceOfInteger) myKdeg;
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TColStd_Array1OfBoolean myAlong;
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};
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#endif // _Geom_OsculatingSurface_HeaderFile
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