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112 lines
3.6 KiB
C++
112 lines
3.6 KiB
C++
// Created on: 1995-06-06
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// Created by: Jean Yves LEBEY
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// Copyright (c) 1995-1999 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 _BRepApprox_MyGradientbisOfTheComputeLineOfApprox_HeaderFile
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#define _BRepApprox_MyGradientbisOfTheComputeLineOfApprox_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 <AppParCurves_MultiCurve.hxx>
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#include <math_Vector.hxx>
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#include <Standard_Real.hxx>
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#include <Standard_Boolean.hxx>
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#include <Standard_Integer.hxx>
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#include <AppParCurves_HArray1OfConstraintCouple.hxx>
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class Standard_OutOfRange;
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class StdFail_NotDone;
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class BRepApprox_TheMultiLineOfApprox;
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class BRepApprox_TheMultiLineToolOfApprox;
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class BRepApprox_ParLeastSquareOfMyGradientbisOfTheComputeLineOfApprox;
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class BRepApprox_ResConstraintOfMyGradientbisOfTheComputeLineOfApprox;
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class BRepApprox_ParFunctionOfMyGradientbisOfTheComputeLineOfApprox;
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class BRepApprox_Gradient_BFGSOfMyGradientbisOfTheComputeLineOfApprox;
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class AppParCurves_MultiCurve;
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class BRepApprox_MyGradientbisOfTheComputeLineOfApprox
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! Tries to minimize the sum (square(||Qui - Bi*Pi||))
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//! where Pui describe the approximating Bezier curves'Poles
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//! and Qi the MultiLine points with a parameter ui.
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//! In this algorithm, the parameters ui are the unknowns.
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//! The tolerance required on this sum is given by Tol.
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//! The desired degree of the resulting curve is Deg.
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Standard_EXPORT BRepApprox_MyGradientbisOfTheComputeLineOfApprox(const BRepApprox_TheMultiLineOfApprox& SSP, const Standard_Integer FirstPoint, const Standard_Integer LastPoint, const Handle(AppParCurves_HArray1OfConstraintCouple)& TheConstraints, math_Vector& Parameters, const Standard_Integer Deg, const Standard_Real Tol3d, const Standard_Real Tol2d, const Standard_Integer NbIterations = 200);
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//! returns True if all has been correctly done.
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Standard_EXPORT Standard_Boolean IsDone() const;
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//! returns all the Bezier curves approximating the
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//! MultiLine SSP after minimization of the parameter.
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Standard_EXPORT AppParCurves_MultiCurve Value() const;
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//! returns the difference between the old and the new
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//! approximation.
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//! An exception is raised if NotDone.
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//! An exception is raised if Index<1 or Index>NbParameters.
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Standard_EXPORT Standard_Real Error (const Standard_Integer Index) const;
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//! returns the maximum difference between the old and the
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//! new approximation.
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Standard_EXPORT Standard_Real MaxError3d() const;
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//! returns the maximum difference between the old and the
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//! new approximation.
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Standard_EXPORT Standard_Real MaxError2d() const;
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//! returns the average error between the old and the
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//! new approximation.
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Standard_EXPORT Standard_Real AverageError() const;
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protected:
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private:
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AppParCurves_MultiCurve SCU;
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math_Vector ParError;
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Standard_Real AvError;
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Standard_Real MError3d;
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Standard_Real MError2d;
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Standard_Boolean Done;
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};
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#endif // _BRepApprox_MyGradientbisOfTheComputeLineOfApprox_HeaderFile
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