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occt/src/Extrema/Extrema_LocateExtCC.hxx
abv 42cf5bc1ca 0024002: Overall code and build procedure refactoring -- automatic
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
2015-07-12 07:42:38 +03:00

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// Created on: 1994-07-06
// Created by: Laurent PAINNOT
// Copyright (c) 1994-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#ifndef _Extrema_LocateExtCC_HeaderFile
#define _Extrema_LocateExtCC_HeaderFile
#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
#include <Standard_Handle.hxx>
#include <Standard_Boolean.hxx>
#include <Standard_Real.hxx>
#include <Extrema_POnCurv.hxx>
class Standard_DomainError;
class StdFail_NotDone;
class Adaptor3d_Curve;
class Extrema_POnCurv;
//! It calculates the distance between two curves with
//! a close point; these distances can be maximum or
//! minimum.
class Extrema_LocateExtCC
{
public:
DEFINE_STANDARD_ALLOC
//! Calculates the distance with a close point. The
//! close point is defined by a parameter value on each
//! curve.
//! The function F(u,v)=distance(C1(u),C2(v)) has an
//! extremun when gradient(f)=0. The algorithm searchs
//! the zero near the close point.
Standard_EXPORT Extrema_LocateExtCC(const Adaptor3d_Curve& C1, const Adaptor3d_Curve& C2, const Standard_Real U0, const Standard_Real V0);
//! Returns True if the distance is found.
Standard_EXPORT Standard_Boolean IsDone() const;
//! Returns the value of the extremum square distance.
Standard_EXPORT Standard_Real SquareDistance() const;
//! Returns the points of the extremum distance.
//! P1 is on the first curve, P2 on the second one.
Standard_EXPORT void Point (Extrema_POnCurv& P1, Extrema_POnCurv& P2) const;
protected:
private:
Standard_Boolean myDone;
Standard_Real mySqDist;
Extrema_POnCurv myPoint1;
Extrema_POnCurv myPoint2;
};
#endif // _Extrema_LocateExtCC_HeaderFile