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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.
194 lines
6.5 KiB
Plaintext
194 lines
6.5 KiB
Plaintext
-- Created on: 1997-12-19
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-- Created by: Philippe MANGIN
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-- Copyright (c) 1997-1999 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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class CorrectedFrenet from GeomFill
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inherits TrihedronLaw from GeomFill
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---Purpose: Defined an Corrected Frenet Trihedron Law It is
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-- like Frenet with an Torsion's minimization
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uses
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Frenet from GeomFill,
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HCurve from Adaptor3d,
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Shape from GeomAbs,
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Array1OfReal from TColStd,
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Function from Law,
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Vec from gp,
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---OCC78
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HArray1OfReal from TColStd,
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SequenceOfReal from TColStd,
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HArray1OfVec from TColgp,
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SequenceOfVec from TColgp,
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Trihedron from GeomFill
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raises
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OutOfRange, ConstructionError
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is
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Create returns CorrectedFrenet from GeomFill;
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Create (ForEvaluation: Boolean)
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returns CorrectedFrenet from GeomFill;
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Copy(me)
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returns TrihedronLaw from GeomFill
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is redefined;
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Init(me: mutable)
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is static private;
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InitInterval(me; First, Last, Step: Real;
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startAng: in out Real;
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prevTangent, prevNormal, aT, aN: out Vec from gp;
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FuncInt: out Function from Law;
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SeqPoles: out SequenceOfReal from TColStd;
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SeqAngle: out SequenceOfReal from TColStd;
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SeqTangent: out SequenceOfVec from TColgp;
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SeqNormal: out SequenceOfVec from TColgp)
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returns Boolean
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--- Purpose: Computes BSpline representation of Normal evolution at one
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--- interval of continuity of Frenet. Returns True if FuncInt = 0
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is private;
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--- OCC78
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CalcAngleAT(me; Tangent, Normal, prevTangent, prevNormal: in Vec from gp)
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returns Real
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--- Purpose: Computes angle of Normal evolution of Frenet between any two points on the curve.
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is private;
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GetAngleAT(me; P: in Real)
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returns Real
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--- Purpose: Get corrected value of angle of Normal evolution of Frenet
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is private;
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SetCurve(me : mutable; C : HCurve from Adaptor3d)
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is redefined;
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SetInterval(me: mutable; First, Last: Real)
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is redefined;
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--
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--
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--========== To compute Location and derivatives Location
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--
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D0(me : mutable;
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Param: Real;
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Tangent : out Vec from gp;
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Normal : out Vec from gp;
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BiNormal : out Vec from gp)
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---Purpose: compute Triedrhon on curve at parameter <Param>
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returns Boolean is redefined;
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D1(me : mutable;
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Param: Real;
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Tangent : out Vec from gp;
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DTangent : out Vec from gp;
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Normal : out Vec from gp;
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DNormal : out Vec from gp;
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BiNormal : out Vec from gp;
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DBiNormal : out Vec from gp)
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---Purpose: compute Triedrhon and derivative Trihedron on curve
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-- at parameter <Param>
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-- Warning : It used only for C1 or C2 aproximation
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returns Boolean
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is redefined;
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D2(me : mutable;
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Param: Real;
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Tangent : out Vec from gp;
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DTangent : out Vec from gp;
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D2Tangent : out Vec from gp;
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Normal : out Vec from gp;
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DNormal : out Vec from gp;
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D2Normal : out Vec from gp;
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BiNormal : out Vec from gp;
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DBiNormal : out Vec from gp;
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D2BiNormal : out Vec from gp)
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---Purpose: compute Trihedron on curve
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-- first and seconde derivatives.
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-- Warning : It used only for C2 aproximation
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returns Boolean
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is redefined;
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--
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-- =================== Management of continuity ===================
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--
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NbIntervals(me; S : Shape from GeomAbs)
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---Purpose: Returns the number of intervals for continuity
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-- <S>.
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-- May be one if Continuity(me) >= <S>
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returns Integer is redefined;
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Intervals(me; T : in out Array1OfReal from TColStd;
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S : Shape from GeomAbs)
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---Purpose: Stores in <T> the parameters bounding the intervals
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-- of continuity <S>.
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--
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-- The array must provide enough room to accomodate
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-- for the parameters. i.e. T.Length() > NbIntervals()
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raises
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OutOfRange from Standard
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is redefined;
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-- =================== To define the best trihedron mode ===============
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EvaluateBestMode(me : mutable)
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returns Trihedron from GeomFill;
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---Purpose: Tries to define the best trihedron mode
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-- for the curve. It can be:
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-- - Frenet
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-- - CorrectedFrenet
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-- - DiscreteTrihedron
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-- Warning: the CorrectedFrenet must be constructed
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-- with option ForEvaluation = True,
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-- the curve must be set by method SetCurve.
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-- =================== To help computation of Tolerance ===============
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GetAverageLaw(me : mutable;
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ATangent : out Vec from gp;
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ANormal : out Vec from gp;
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ABiNormal : out Vec from gp)
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---Purpose: Get average value of Tangent(t) and Normal(t) it is usfull to
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-- make fast approximation of rational surfaces.
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is redefined;
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-- =================== To help Particular case ===============
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IsConstant(me)
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---Purpose: Say if the law is Constant.
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returns Boolean
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is redefined;
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IsOnlyBy3dCurve(me)
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---Purpose: Return True.
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returns Boolean
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is redefined;
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fields
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frenet : Frenet from GeomFill;
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EvolAroundT : Function from Law;
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TLaw : Function from Law;
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AT, AN : Vec from gp;
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isFrenet : Boolean;
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myForEvaluation : Boolean;
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---OCC78
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HArrPoles : HArray1OfReal from TColStd;
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HArrAngle : HArray1OfReal from TColStd;
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HArrTangent : HArray1OfVec from TColgp;
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HArrNormal : HArray1OfVec from TColgp;
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end CorrectedFrenet;
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