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194 lines
8.9 KiB
C++
194 lines
8.9 KiB
C++
// Created on: 1991-12-02
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// Created by: Laurent PAINNOT
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// Copyright (c) 1991-1999 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 _AppDef_Compute_HeaderFile
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#define _AppDef_Compute_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_SequenceOfMultiCurve.hxx>
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#include <AppParCurves_MultiCurve.hxx>
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#include <AppParCurves_MultiBSpCurve.hxx>
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#include <Approx_ParametrizationType.hxx>
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#include <TColStd_HArray1OfReal.hxx>
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#include <Approx_SequenceOfHArray1OfReal.hxx>
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#include <TColStd_SequenceOfReal.hxx>
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#include <AppParCurves_HArray1OfConstraintCouple.hxx>
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#include <Standard_Integer.hxx>
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#include <AppParCurves_Constraint.hxx>
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#include <math_Vector.hxx>
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#include <TColStd_Array1OfReal.hxx>
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class AppDef_MultiLine;
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class AppDef_MyLineTool;
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class AppDef_MyGradientOfCompute;
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class AppDef_ParLeastSquareOfMyGradientOfCompute;
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class AppDef_ResConstraintOfMyGradientOfCompute;
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class AppDef_ParFunctionOfMyGradientOfCompute;
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class AppDef_Gradient_BFGSOfMyGradientOfCompute;
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class AppParCurves_MultiCurve;
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class AppParCurves_MultiBSpCurve;
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class AppDef_Compute
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! The MultiLine <Line> will be approximated until tolerances
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//! will be reached.
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//! The approximation will be done from degreemin to degreemax
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//! with a cutting if the corresponding boolean is True.
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//! If <Squares> is True, the computation will be done with
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//! no iteration at all.
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Standard_EXPORT AppDef_Compute(const AppDef_MultiLine& Line, const Standard_Integer degreemin = 4, const Standard_Integer degreemax = 8, const Standard_Real Tolerance3d = 1.0e-3, const Standard_Real Tolerance2d = 1.0e-6, const Standard_Integer NbIterations = 5, const Standard_Boolean cutting = Standard_True, const Approx_ParametrizationType parametrization = Approx_ChordLength, const Standard_Boolean Squares = Standard_False);
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//! The MultiLine <Line> will be approximated until tolerances
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//! will be reached.
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//! The approximation will be done from degreemin to degreemax
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//! with a cutting if the corresponding boolean is True.
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//! If <Squares> is True, the computation will be done with
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//! no iteration at all.
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Standard_EXPORT AppDef_Compute(const AppDef_MultiLine& Line, const math_Vector& Parameters, const Standard_Integer degreemin = 4, const Standard_Integer degreemax = 8, const Standard_Real Tolerance3d = 1.0e-03, const Standard_Real Tolerance2d = 1.0e-06, const Standard_Integer NbIterations = 5, const Standard_Boolean cutting = Standard_True, const Standard_Boolean Squares = Standard_False);
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//! Initializes the fields of the algorithm.
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Standard_EXPORT AppDef_Compute(const math_Vector& Parameters, const Standard_Integer degreemin = 4, const Standard_Integer degreemax = 8, const Standard_Real Tolerance3d = 1.0e-03, const Standard_Real Tolerance2d = 1.0e-06, const Standard_Integer NbIterations = 5, const Standard_Boolean cutting = Standard_True, const Standard_Boolean Squares = Standard_False);
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//! Initializes the fields of the algorithm.
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Standard_EXPORT AppDef_Compute(const Standard_Integer degreemin = 4, const Standard_Integer degreemax = 8, const Standard_Real Tolerance3d = 1.0e-03, const Standard_Real Tolerance2d = 1.0e-06, const Standard_Integer NbIterations = 5, const Standard_Boolean cutting = Standard_True, const Approx_ParametrizationType parametrization = Approx_ChordLength, const Standard_Boolean Squares = Standard_False);
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//! Initializes the fields of the algorithm.
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Standard_EXPORT void Init (const Standard_Integer degreemin = 4, const Standard_Integer degreemax = 8, const Standard_Real Tolerance3d = 1.0e-03, const Standard_Real Tolerance2d = 1.0e-06, const Standard_Integer NbIterations = 5, const Standard_Boolean cutting = Standard_True, const Approx_ParametrizationType parametrization = Approx_ChordLength, const Standard_Boolean Squares = Standard_False);
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//! runs the algorithm after having initialized the fields.
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Standard_EXPORT void Perform (const AppDef_MultiLine& Line);
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//! changes the degrees of the approximation.
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Standard_EXPORT void SetDegrees (const Standard_Integer degreemin, const Standard_Integer degreemax);
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//! Changes the tolerances of the approximation.
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Standard_EXPORT void SetTolerances (const Standard_Real Tolerance3d, const Standard_Real Tolerance2d);
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//! changes the first and the last constraint points.
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Standard_EXPORT void SetConstraints (const AppParCurves_Constraint firstC, const AppParCurves_Constraint lastC);
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//! returns False if at a moment of the approximation,
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//! the status NoApproximation has been sent by the user
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//! when more points were needed.
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Standard_EXPORT Standard_Boolean IsAllApproximated() const;
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//! returns False if the status NoPointsAdded has been sent.
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Standard_EXPORT Standard_Boolean IsToleranceReached() const;
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//! returns the tolerances 2d and 3d of the <Index> MultiCurve.
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Standard_EXPORT void Error (const Standard_Integer Index, Standard_Real& tol3d, Standard_Real& tol2d) const;
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//! Returns the number of MultiCurve doing the approximation
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//! of the MultiLine.
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Standard_EXPORT Standard_Integer NbMultiCurves() const;
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//! returns the result of the approximation.
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Standard_EXPORT const AppParCurves_MultiCurve& Value (const Standard_Integer Index = 1) const;
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//! returns the result of the approximation.
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Standard_EXPORT AppParCurves_MultiCurve& ChangeValue (const Standard_Integer Index = 1);
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//! returns the result of the approximation.
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Standard_EXPORT const AppParCurves_MultiBSpCurve& SplineValue();
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//! returns the type of parametrization
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Standard_EXPORT Approx_ParametrizationType Parametrization () const;
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//! returns the new parameters of the approximation
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//! corresponding to the points of the multicurve <Index>.
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Standard_EXPORT const TColStd_Array1OfReal& Parameters (const Standard_Integer Index = 1) const;
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protected:
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private:
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//! is internally used in the algorithm.
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Standard_EXPORT Standard_Boolean Compute (const AppDef_MultiLine& Line,
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const Standard_Integer fpt,
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const Standard_Integer lpt,
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math_Vector& Para,
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Standard_Real& TheTol3d,
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Standard_Real& TheTol2d,
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Standard_Integer& indbad);
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//! is internally used in the algorithm.
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Standard_EXPORT Standard_Boolean ComputeCurve (const AppDef_MultiLine& Line, const Standard_Integer firspt, const Standard_Integer lastpt);
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//! computes new parameters between firstP and lastP.
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Standard_EXPORT void Parameters (const AppDef_MultiLine& Line, const Standard_Integer firstP, const Standard_Integer LastP, math_Vector& TheParameters) const;
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Standard_EXPORT Standard_Real SearchFirstLambda (const AppDef_MultiLine& Line, const math_Vector& Para, const math_Vector& V, const Standard_Integer index) const;
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Standard_EXPORT Standard_Real SearchLastLambda (const AppDef_MultiLine& Line, const math_Vector& Para, const math_Vector& V, const Standard_Integer index) const;
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Standard_EXPORT void FirstTangencyVector (const AppDef_MultiLine& Line, const Standard_Integer index, math_Vector& V) const;
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Standard_EXPORT void LastTangencyVector (const AppDef_MultiLine& Line, const Standard_Integer index, math_Vector& V) const;
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AppParCurves_SequenceOfMultiCurve myMultiCurves;
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AppParCurves_MultiCurve TheMultiCurve;
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AppParCurves_MultiBSpCurve myspline;
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Standard_Boolean alldone;
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Standard_Boolean tolreached;
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Approx_ParametrizationType Par;
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Handle(TColStd_HArray1OfReal) myParameters;
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Handle(TColStd_HArray1OfReal) myfirstParam;
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Approx_SequenceOfHArray1OfReal myPar;
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TColStd_SequenceOfReal Tolers3d;
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TColStd_SequenceOfReal Tolers2d;
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Handle(AppParCurves_HArray1OfConstraintCouple) myConstraints;
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Standard_Integer mydegremin;
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Standard_Integer mydegremax;
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Standard_Real mytol3d;
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Standard_Real mytol2d;
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Standard_Real currenttol3d;
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Standard_Real currenttol2d;
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Standard_Boolean mycut;
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Standard_Boolean mysquares;
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Standard_Integer myitermax;
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AppParCurves_Constraint myfirstC;
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AppParCurves_Constraint mylastC;
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Standard_Integer myMultiLineNb;
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Standard_Boolean myIsClear;
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};
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#endif // _AppDef_Compute_HeaderFile
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