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136 lines
4.2 KiB
Plaintext
Executable File
136 lines
4.2 KiB
Plaintext
Executable File
-- Created on: 1993-06-24
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-- Created by: Modelistation
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-- Copyright (c) 1993-1999 Matra Datavision
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-- Copyright (c) 1999-2012 OPEN CASCADE SAS
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--
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-- The content of this file is subject to the Open CASCADE Technology Public
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-- License Version 6.5 (the "License"). You may not use the content of this file
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-- except in compliance with the License. Please obtain a copy of the License
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-- at http://www.opencascade.org and read it completely before using this file.
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--
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-- The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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-- main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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--
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-- The Original Code and all software distributed under the License is
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-- distributed on an "AS IS" basis, without warranty of any kind, and the
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-- Initial Developer hereby disclaims all such warranties, including without
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-- limitation, any warranties of merchantability, fitness for a particular
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-- purpose or non-infringement. Please see the License for the specific terms
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-- and conditions governing the rights and limitations under the License.
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generic class Projection from AppParCurves
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(MultiLine as any;
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ToolLine as any) -- as ToolLine(MultiLine)
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---Purpose: This algorithm uses the algorithms LeastSquare,
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-- ResConstraint and a Projection method to approximate a set
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-- of points (AppDef_MultiLine) with a minimization of the
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-- sum(square(|F(i)-Qi|)) by changing the parameter.
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uses Vector from math,
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MultiCurve from AppParCurves,
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HArray1OfConstraintCouple from AppParCurves
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raises OutOfRange from Standard,
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NotDone from StdFail
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private class ProLeastSquare instantiates LeastSquare from AppParCurves
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(MultiLine, ToolLine);
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private class ProConstraint instantiates ResolConstraint from AppParCurves
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(MultiLine, ToolLine);
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private class ProFunction instantiates Function from AppParCurves
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(MultiLine, ToolLine, ProLeastSquare, ProConstraint);
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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: in out Vector; Deg: Integer;
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Tol3d, Tol2d: Real; NbIterations: Integer = 200)
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---Purpose: 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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-- SSP is returned with the new parameter.
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returns Projection from AppParCurves;
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IsDone(me)
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---Purpose: returns True if all has been correctly done.
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returns Boolean
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is static;
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Value(me)
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---Purpose: returns all the Bezier curves approximating the
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-- MultiLine SSP after minimization of the parameter.
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returns MultiCurve from AppParCurves
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raises NotDone from StdFail
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is static;
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Error(me; Index: Integer)
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---Purpose: 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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returns Real
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raises NotDone from StdFail,
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OutOfRange from Standard
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is static;
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MaxError3d(me)
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---Purpose: returns the maximum difference between the old and the
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-- new approximation.
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returns Real
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raises NotDone from StdFail
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is static;
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MaxError2d(me)
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---Purpose: returns the maximum difference between the old and the
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-- new approximation.
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returns Real
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raises NotDone from StdFail
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is static;
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AverageError(me)
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---Purpose: returns the average error between the old and the
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-- new approximation.
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returns Real
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raises NotDone from StdFail
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is static;
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fields
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SCU: MultiCurve from AppParCurves;
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ParError: Vector from math;
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AvError: Real;
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MError3d: Real;
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MError2d: Real;
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Done: Boolean;
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end Projection from AppParCurves;
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