mirror of
https://git.dev.opencascade.org/repos/occt.git
synced 2025-04-06 18:26:22 +03:00
149 lines
5.1 KiB
C++
149 lines
5.1 KiB
C++
// Created on: 1995-01-27
|
|
// Created by: Jacques GOUSSARD
|
|
// Copyright (c) 1995-1999 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 _GeomInt_ParFunctionOfMyGradientOfTheComputeLineBezierOfWLApprox_HeaderFile
|
|
#define _GeomInt_ParFunctionOfMyGradientOfTheComputeLineBezierOfWLApprox_HeaderFile
|
|
|
|
#include <Standard.hxx>
|
|
#include <Standard_DefineAlloc.hxx>
|
|
#include <Standard_Handle.hxx>
|
|
|
|
#include <Standard_Boolean.hxx>
|
|
#include <GeomInt_TheMultiLineOfWLApprox.hxx>
|
|
#include <AppParCurves_MultiCurve.hxx>
|
|
#include <Standard_Integer.hxx>
|
|
#include <math_Vector.hxx>
|
|
#include <Standard_Real.hxx>
|
|
#include <math_Matrix.hxx>
|
|
#include <GeomInt_ParLeastSquareOfMyGradientOfTheComputeLineBezierOfWLApprox.hxx>
|
|
#include <TColStd_HArray1OfInteger.hxx>
|
|
#include <AppParCurves_HArray1OfConstraintCouple.hxx>
|
|
#include <math_MultipleVarFunctionWithGradient.hxx>
|
|
#include <AppParCurves_Constraint.hxx>
|
|
class GeomInt_TheMultiLineOfWLApprox;
|
|
class GeomInt_TheMultiLineToolOfWLApprox;
|
|
class GeomInt_ParLeastSquareOfMyGradientOfTheComputeLineBezierOfWLApprox;
|
|
class GeomInt_ResConstraintOfMyGradientOfTheComputeLineBezierOfWLApprox;
|
|
class AppParCurves_MultiCurve;
|
|
|
|
|
|
|
|
class GeomInt_ParFunctionOfMyGradientOfTheComputeLineBezierOfWLApprox : public math_MultipleVarFunctionWithGradient
|
|
{
|
|
public:
|
|
|
|
DEFINE_STANDARD_ALLOC
|
|
|
|
|
|
//! initializes the fields of the function. The approximating
|
|
//! curve has the desired degree Deg.
|
|
Standard_EXPORT GeomInt_ParFunctionOfMyGradientOfTheComputeLineBezierOfWLApprox(const GeomInt_TheMultiLineOfWLApprox& SSP, const Standard_Integer FirstPoint, const Standard_Integer LastPoint, const Handle(AppParCurves_HArray1OfConstraintCouple)& TheConstraints, const math_Vector& Parameters, const Standard_Integer Deg);
|
|
|
|
//! returns the number of variables of the function. It
|
|
//! corresponds to the number of MultiPoints.
|
|
Standard_EXPORT Standard_Integer NbVariables() const;
|
|
|
|
//! this method computes the new approximation of the
|
|
//! MultiLine
|
|
//! SSP and calculates F = sum (||Pui - Bi*Pi||2) for each
|
|
//! point of the MultiLine.
|
|
Standard_EXPORT Standard_Boolean Value (const math_Vector& X, Standard_Real& F);
|
|
|
|
//! returns the gradient G of the sum above for the
|
|
//! parameters Xi.
|
|
Standard_EXPORT Standard_Boolean Gradient (const math_Vector& X, math_Vector& G);
|
|
|
|
//! returns the value F=sum(||Pui - Bi*Pi||)2.
|
|
//! returns the value G = grad(F) for the parameters Xi.
|
|
Standard_EXPORT Standard_Boolean Values (const math_Vector& X, Standard_Real& F, math_Vector& G);
|
|
|
|
//! returns the new parameters of the MultiLine.
|
|
Standard_EXPORT const math_Vector& NewParameters() const;
|
|
|
|
//! returns the MultiCurve approximating the set after
|
|
//! computing the value F or Grad(F).
|
|
Standard_EXPORT const AppParCurves_MultiCurve& CurveValue();
|
|
|
|
//! returns the distance between the MultiPoint of range
|
|
//! IPoint and the curve CurveIndex.
|
|
Standard_EXPORT Standard_Real Error (const Standard_Integer IPoint, const Standard_Integer CurveIndex) const;
|
|
|
|
//! returns the maximum distance between the points
|
|
//! and the MultiCurve.
|
|
Standard_EXPORT Standard_Real MaxError3d() const;
|
|
|
|
//! returns the maximum distance between the points
|
|
//! and the MultiCurve.
|
|
Standard_EXPORT Standard_Real MaxError2d() const;
|
|
|
|
Standard_EXPORT AppParCurves_Constraint FirstConstraint (const Handle(AppParCurves_HArray1OfConstraintCouple)& TheConstraints, const Standard_Integer FirstPoint) const;
|
|
|
|
Standard_EXPORT AppParCurves_Constraint LastConstraint (const Handle(AppParCurves_HArray1OfConstraintCouple)& TheConstraints, const Standard_Integer LastPoint) const;
|
|
|
|
|
|
|
|
|
|
protected:
|
|
|
|
|
|
//! this method is used each time Value or Gradient is
|
|
//! needed.
|
|
Standard_EXPORT void Perform (const math_Vector& X);
|
|
|
|
|
|
|
|
|
|
private:
|
|
|
|
|
|
|
|
Standard_Boolean Done;
|
|
GeomInt_TheMultiLineOfWLApprox MyMultiLine;
|
|
AppParCurves_MultiCurve MyMultiCurve;
|
|
Standard_Integer Degre;
|
|
math_Vector myParameters;
|
|
Standard_Real FVal;
|
|
math_Vector ValGrad_F;
|
|
math_Matrix MyF;
|
|
math_Matrix PTLX;
|
|
math_Matrix PTLY;
|
|
math_Matrix PTLZ;
|
|
math_Matrix A;
|
|
math_Matrix DA;
|
|
GeomInt_ParLeastSquareOfMyGradientOfTheComputeLineBezierOfWLApprox MyLeastSquare;
|
|
Standard_Boolean Contraintes;
|
|
Standard_Integer NbP;
|
|
Standard_Integer NbCu;
|
|
Standard_Integer Adeb;
|
|
Standard_Integer Afin;
|
|
Handle(TColStd_HArray1OfInteger) tabdim;
|
|
Standard_Real ERR3d;
|
|
Standard_Real ERR2d;
|
|
Standard_Integer FirstP;
|
|
Standard_Integer LastP;
|
|
Handle(AppParCurves_HArray1OfConstraintCouple) myConstraints;
|
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#endif // _GeomInt_ParFunctionOfMyGradientOfTheComputeLineBezierOfWLApprox_HeaderFile
|