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42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
135 lines
3.6 KiB
C++
135 lines
3.6 KiB
C++
// Created on: 1996-06-04
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// Created by: Stagiaire Xuan Trang PHAMPHU
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// Copyright (c) 1996-1999 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 _BlendFunc_Corde_HeaderFile
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#define _BlendFunc_Corde_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 <gp_Pnt.hxx>
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#include <gp_Pnt2d.hxx>
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#include <Standard_Real.hxx>
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#include <gp_Vec.hxx>
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#include <gp_Vec2d.hxx>
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#include <Standard_Boolean.hxx>
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#include <math_Vector.hxx>
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class Adaptor3d_HSurface;
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class Adaptor3d_HCurve;
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class Standard_DomainError;
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class math_Matrix;
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class gp_Pnt;
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class gp_Vec;
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class gp_Vec2d;
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//! This function calculates point (pts) on the curve of
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//! intersection between the normal to a curve (guide)
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//! in a chosen parameter and a surface (surf), so
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//! that pts was at a given distance from the guide.
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//! X(1),X(2) are the parameters U,V of pts on surf.
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class BlendFunc_Corde
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{
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public:
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DEFINE_STANDARD_ALLOC
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Standard_EXPORT BlendFunc_Corde(const Handle(Adaptor3d_HSurface)& S, const Handle(Adaptor3d_HCurve)& CGuide);
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Standard_EXPORT void SetParam (const Standard_Real Param);
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Standard_EXPORT void SetDist (const Standard_Real Dist);
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//! computes the values <F> of the Function for the
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//! variable <X>.
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//! Returns True if the computation was done successfully,
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//! False otherwise.
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Standard_EXPORT Standard_Boolean Value (const math_Vector& X, math_Vector& F);
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//! returns the values <D> of the derivatives for the
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//! variable <X>.
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//! Returns True if the computation was done successfully,
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//! False otherwise.
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Standard_EXPORT Standard_Boolean Derivatives (const math_Vector& X, math_Matrix& D);
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Standard_EXPORT const gp_Pnt& PointOnS() const;
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//! returns the point of parameter <Param> on CGuide
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Standard_EXPORT const gp_Pnt& PointOnGuide() const;
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//! returns the normal to CGuide at Ptgui.
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Standard_EXPORT const gp_Vec& NPlan() const;
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//! Returns True when it is not possible to compute
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//! the tangent vectors at PointOnS.
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Standard_EXPORT Standard_Boolean IsTangencyPoint() const;
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//! Returns the tangent vector at PointOnS, in 3d space.
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Standard_EXPORT const gp_Vec& TangentOnS() const;
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//! Returns the tangent vector at PointOnS, in the
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//! parametric space of the first surface.
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Standard_EXPORT const gp_Vec2d& Tangent2dOnS() const;
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//! Derived of the function compared to the parameter
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//! of the guideline
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Standard_EXPORT void DerFguide (const math_Vector& Sol, gp_Vec2d& DerF);
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//! Returns False if Sol is not solution else returns
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//! True and updates the fields tgs and tg2d
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Standard_EXPORT Standard_Boolean IsSolution (const math_Vector& Sol, const Standard_Real Tol);
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protected:
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private:
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Handle(Adaptor3d_HSurface) surf;
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Handle(Adaptor3d_HCurve) guide;
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gp_Pnt pts;
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gp_Pnt2d pt2d;
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Standard_Real dis;
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Standard_Real normtg;
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Standard_Real theD;
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gp_Pnt ptgui;
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gp_Vec nplan;
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gp_Vec d1gui;
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gp_Vec d2gui;
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gp_Vec tgs;
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gp_Vec2d tg2d;
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Standard_Boolean istangent;
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};
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#endif // _BlendFunc_Corde_HeaderFile
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