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License statement text corrected; compiler warnings caused by Bison 2.41 disabled for MSVC; a few other compiler warnings on 54-bit Windows eliminated by appropriate type cast Wrong license statements corrected in several files. Copyright and license statements added in XSD and GLSL files. Copyright year updated in some files. Obsolete documentation files removed from DrawResources.
222 lines
6.2 KiB
Plaintext
222 lines
6.2 KiB
Plaintext
-- Created on: 1993-09-21
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-- Created by: Modelistation
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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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generic class BSpFunction from AppParCurves (
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MultiLine as any;
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ToolLine as any; -- as ToolLine(MultiLine)
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Squares as any)
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inherits MultipleVarFunctionWithGradient from math
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---Purpose: This function inherits MultipleVarFunctionWithGradient to be
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-- used in the mathematical algorithm BFGS.
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-- It computes the value of the function
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-- F=sum(||Qui - B*Pi||)2 where Pi are Poles of the BSpline
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-- curves approximating the given MultiLine SSP and ui the
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-- parameters associated to the points Qi of SSP.
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-- It also computes the gradient for values ui of the parameter.
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uses MultiBSpCurve from AppParCurves,
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HArray1OfConstraintCouple from AppParCurves,
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Constraint from AppParCurves,
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Vector from math,
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IntegerVector from math,
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Matrix from math,
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HArray1OfInteger from TColStd,
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Array1OfReal from TColStd,
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Array1OfInteger from TColStd
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is
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Create(SSP: MultiLine; FirstPoint, LastPoint: Integer;
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TheConstraints: HArray1OfConstraintCouple;
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Parameters: Vector; Knots: Array1OfReal;
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Mults: Array1OfInteger; NbPol: Integer)
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---Purpose: initializes the fields of the function. The approximating
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-- curve has <NbPol> control points.
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returns BSpFunction from AppParCurves;
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NbVariables(me)
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---Purpose: returns the number of variables of the function. It
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-- corresponds to the number of MultiPoints.
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returns Integer
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is static;
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Perform(me: in out; X: Vector)
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---Purpose: this method is used each time Value or Gradient is
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-- needed.
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is static protected;
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Value(me: in out; X: Vector; F: out Real)
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---Purpose: this method computes the new approximation of the
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-- MultiLine
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-- SSP and calculates F = sum (||Pui - Bi*Pi||2) for each
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-- point of the MultiLine.
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returns Boolean
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is static;
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Gradient(me: in out; X: Vector; G: out Vector)
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---Purpose: returns the gradient G of the sum above for the
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-- parameters Xi.
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returns Boolean
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is static;
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Values(me: in out; X: Vector; F: out Real; G: out Vector)
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---Purpose: returns the value F=sum(||Pui - Bi*Pi||)2.
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-- returns the value G = grad(F) for the parameters Xi.
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returns Boolean
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is static;
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NewParameters(me)
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---Purpose: returns the new parameters of the MultiLine.
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---C++: return const&
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returns Vector
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is static;
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CurveValue(me: in out)
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---Purpose: returns the MultiBSpCurve approximating the set after
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-- computing the value F or Grad(F).
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returns MultiBSpCurve from AppParCurves
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is static;
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Error(me: in out; IPoint, CurveIndex: Integer)
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---Purpose: returns the distance between the MultiPoint of range
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-- IPoint and the curve CurveIndex.
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returns Real
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is static;
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MaxError3d(me)
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---Purpose: returns the maximum distance between the points
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-- and the MultiBSpCurve.
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returns Real
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is static;
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MaxError2d(me)
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---Purpose: returns the maximum distance between the points
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-- and the MultiBSpCurve.
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returns Real
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is static;
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FunctionMatrix(me)
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---Purpose: returns the function matrix used to approximate the
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-- multiline.
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---C++: return const&
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returns Matrix from math
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is static;
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DerivativeFunctionMatrix(me)
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---Purpose: returns the derivative function matrix used to approximate the
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-- multiline.
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---C++: return const&
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returns Matrix from math
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is static;
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Index(me)
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---Purpose: Returns the indexes of the first non null values of
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-- A and DA.
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-- The values are non null from Index(ieme point) +1
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-- to Index(ieme point) + degree +1.
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---C++: return const&
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returns IntegerVector
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is static;
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FirstConstraint(me; TheConstraints: HArray1OfConstraintCouple;
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FirstPoint: Integer)
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---Purpose:
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returns Constraint from AppParCurves
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is static;
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LastConstraint(me; TheConstraints: HArray1OfConstraintCouple;
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LastPoint: Integer)
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---Purpose:
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returns Constraint from AppParCurves
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is static;
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SetFirstLambda(me: in out; l1: Real)
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is static;
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SetLastLambda(me: in out; l2: Real)
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is static;
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fields
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Done: Boolean;
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MyMultiLine : MultiLine;
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MyMultiBSpCurve: MultiBSpCurve from AppParCurves;
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nbpoles: Integer;
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myParameters: Vector;
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FVal: Real;
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ValGrad_F: Vector from math;
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MyF: Matrix from math;
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PTLX : Matrix from math;
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PTLY : Matrix from math;
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PTLZ : Matrix from math;
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A: Matrix from math;
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DA: Matrix from math;
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MyLeastSquare : Squares;
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Contraintes: Boolean;
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NbP: Integer;
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NbCu: Integer;
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Adeb: Integer;
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Afin: Integer;
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tabdim: HArray1OfInteger from TColStd;
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ERR3d: Real;
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ERR2d: Real;
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FirstP: Integer;
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LastP: Integer;
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myConstraints: HArray1OfConstraintCouple from AppParCurves;
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mylambda1: Real;
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mylambda2: Real;
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end BSpFunction;
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