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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
153 lines
5.5 KiB
C++
153 lines
5.5 KiB
C++
// Created on: 1993-12-13
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// Created by: Christophe MARION
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// Copyright (c) 1993-1999 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 _Extrema_ExtPElC2d_HeaderFile
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#define _Extrema_ExtPElC2d_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_Boolean.hxx>
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#include <Standard_Integer.hxx>
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#include <Standard_Real.hxx>
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#include <Extrema_POnCurv2d.hxx>
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class StdFail_NotDone;
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class Standard_OutOfRange;
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class gp_Pnt2d;
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class gp_Lin2d;
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class gp_Circ2d;
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class gp_Elips2d;
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class gp_Hypr2d;
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class gp_Parab2d;
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class Extrema_POnCurv2d;
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//! It calculates all the distances between a point
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//! and an elementary curve.
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//! These distances can be minimum or maximum.
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class Extrema_ExtPElC2d
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{
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public:
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DEFINE_STANDARD_ALLOC
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Standard_EXPORT Extrema_ExtPElC2d();
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//! Calculates the extremum distance between the
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//! point P and the segment [Uinf,Usup] of the line L.
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Standard_EXPORT Extrema_ExtPElC2d(const gp_Pnt2d& P, const gp_Lin2d& C, const Standard_Real Tol, const Standard_Real Uinf, const Standard_Real Usup);
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Standard_EXPORT void Perform (const gp_Pnt2d& P, const gp_Lin2d& L, const Standard_Real Tol, const Standard_Real Uinf, const Standard_Real Usup);
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//! Calculates the 2 extremum distances between the
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//! point P and the segment [Uinf,Usup] of the circle C.
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//! Tol is used to determine
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//! if P is on the axis of the circle or
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//! if an extremum is on an endpoint of the segment.
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//! If P is on the axis of the circle,
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//! there are infinite solution then IsDone(me)=False.
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//! The conditions on the Uinf and Usup are:
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//! 0. <= Uinf <= 2.*PI and Usup > Uinf.
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//! If Usup > Uinf + 2.*PI, then only the solutions in
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//! the range [Uinf,Uinf+2.*PI[ are computed.
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Standard_EXPORT Extrema_ExtPElC2d(const gp_Pnt2d& P, const gp_Circ2d& C, const Standard_Real Tol, const Standard_Real Uinf, const Standard_Real Usup);
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Standard_EXPORT void Perform (const gp_Pnt2d& P, const gp_Circ2d& C, const Standard_Real Tol, const Standard_Real Uinf, const Standard_Real Usup);
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//! Calculates the 4 extremum distances between the
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//! point P and the segment [Uinf,Usup] of the elipse C.
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//! Tol is used to determine
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//! if the point is on the axis of the elipse and
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//! if the major radius is equal to the minor radius or
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//! if an extremum is on an endpoint of the segment.
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//! If P is on the axis of the elipse,
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//! there are infinite solution then IsDone(me)=False.
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//! The conditions on the Uinf and Usup are:
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//! 0. <= Uinf <= 2.*PI and Usup > Uinf.
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//! If Usup > Uinf + 2.*PI, then only the solutions in
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//! the range [Uinf,Uinf+2.*PI[ are computed.
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Standard_EXPORT Extrema_ExtPElC2d(const gp_Pnt2d& P, const gp_Elips2d& C, const Standard_Real Tol, const Standard_Real Uinf, const Standard_Real Usup);
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Standard_EXPORT void Perform (const gp_Pnt2d& P, const gp_Elips2d& C, const Standard_Real Tol, const Standard_Real Uinf, const Standard_Real Usup);
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//! Calculates the extremum distances between the
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//! point P and the segment [Uinf,Usup] of the hyperbola
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//! C.
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//! Tol is used to determine if two solutions u and v
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//! are identical; the condition is:
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//! dist(C(u),C(v)) < Tol.
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Standard_EXPORT Extrema_ExtPElC2d(const gp_Pnt2d& P, const gp_Hypr2d& C, const Standard_Real Tol, const Standard_Real Uinf, const Standard_Real Usup);
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Standard_EXPORT void Perform (const gp_Pnt2d& P, const gp_Hypr2d& C, const Standard_Real Tol, const Standard_Real Uinf, const Standard_Real Usup);
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//! Calculates the 4 extremum distances between the
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//! point P and the segment [Uinf,Usup] of the parabola
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//! C.
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//! Tol is used to determine if two solutions u and v
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//! are identical; the condition is:
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//! dist(C(u),C(v)) < Tol.
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Standard_EXPORT Extrema_ExtPElC2d(const gp_Pnt2d& P, const gp_Parab2d& C, const Standard_Real Tol, const Standard_Real Uinf, const Standard_Real Usup);
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Standard_EXPORT void Perform (const gp_Pnt2d& P, const gp_Parab2d& C, const Standard_Real Tol, const Standard_Real Uinf, const Standard_Real Usup);
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//! True if the distances are found.
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Standard_EXPORT Standard_Boolean IsDone() const;
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//! Returns the number of extremum distances.
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Standard_EXPORT Standard_Integer NbExt() const;
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//! Returns the value of the Nth extremum square distance.
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Standard_EXPORT Standard_Real SquareDistance (const Standard_Integer N) const;
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//! Returns True if the Nth extremum distance is a
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//! minimum.
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Standard_EXPORT Standard_Boolean IsMin (const Standard_Integer N) const;
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//! Returns the point of the Nth extremum distance.
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Standard_EXPORT const Extrema_POnCurv2d& Point (const Standard_Integer N) const;
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protected:
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private:
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Standard_Boolean myDone;
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Standard_Integer myNbExt;
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Standard_Real mySqDist[4];
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Standard_Boolean myIsMin[4];
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Extrema_POnCurv2d myPoint[4];
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};
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#endif // _Extrema_ExtPElC2d_HeaderFile
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