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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
99 lines
2.8 KiB
C++
99 lines
2.8 KiB
C++
// Created on: 1994-09-06
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// Created by: Yves FRICAUD
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// Copyright (c) 1994-1999 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 _Geom2dLProp_CurAndInf2d_HeaderFile
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#define _Geom2dLProp_CurAndInf2d_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 <LProp_CurAndInf.hxx>
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class Geom2d_Curve;
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//! An algorithm for computing local properties of a curve.
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//! These properties include:
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//! - the maximum and minimum curvatures
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//! - the inflection points.
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//! A CurAndInf2d object provides the framework for:
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//! - defining the curve to be analyzed
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//! - implementing the computation algorithms
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//! - consulting the results.
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class Geom2dLProp_CurAndInf2d : public LProp_CurAndInf
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! Initializes the framework.
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//! Note: The curve on which the local properties are
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//! computed is defined using one of the following
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//! functions: Perform, PerformCurExt or PerformInf.
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Standard_EXPORT Geom2dLProp_CurAndInf2d();
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//! For the curve C, Computes both the
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//! inflection points and the maximum and minimum curvatures.
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Standard_EXPORT void Perform (const Handle(Geom2d_Curve)& C);
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//! For the curve C, Computes the locals extremas of curvature.
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Standard_EXPORT void PerformCurExt (const Handle(Geom2d_Curve)& C);
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//! For the curve C, Computes the inflections.
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//! After computation, the following functions can be used:
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//! - IsDone to check if the computation was successful
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//! - NbPoints to obtain the number of computed particular points
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//! - Parameter to obtain the parameter on the curve for
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//! each particular point
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//! - Type to check if the point is an inflection point or an
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//! extremum of curvature of the curve C.
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//! Warning
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//! These functions can be used to analyze a series of
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//! curves, however it is necessary to clear the table of
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//! results between each computation.
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Standard_EXPORT void PerformInf (const Handle(Geom2d_Curve)& C);
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//! True if the solutions are found.
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Standard_EXPORT Standard_Boolean IsDone() const;
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protected:
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private:
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Standard_Boolean isDone;
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};
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#endif // _Geom2dLProp_CurAndInf2d_HeaderFile
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