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262 lines
8.7 KiB
Plaintext
Executable File
262 lines
8.7 KiB
Plaintext
Executable File
-- Created on: 1998-04-21
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-- Created by: Stephanie HUMEAU
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-- Copyright (c) 1998-1999 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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class LocationDraft from GeomFill
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inherits LocationLaw from GeomFill
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uses
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HCurve from Adaptor3d,
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HSurface from Adaptor3d,
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Mat from gp,
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Vec from gp,
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Pnt from gp,
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Dir from gp,
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Shape from GeomAbs,
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Array1OfReal from TColStd,
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Array1OfVec2d from TColgp,
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Array1OfPnt2d from TColgp,
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HArray1OfPnt2d from TColgp,
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DraftTrihedron from GeomFill,
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Curve from Geom,
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Line from Geom,
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TrimmedCurve from Geom
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raises
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NotImplemented, OutOfRange
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is
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Create (Direction : Dir from gp;
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Angle : Real from Standard)
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returns LocationDraft from GeomFill;
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SetStopSurf(me : mutable; Surf : HSurface from Adaptor3d);
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SetAngle(me : mutable; Angle : Real);
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Prepare(me:mutable) is private;
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SetCurve(me : mutable; C : HCurve from Adaptor3d)
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is redefined;
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GetCurve(me)
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returns HCurve from Adaptor3d
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---C++: return const &
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is redefined;
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SetTrsf(me : mutable; Transfo : Mat from gp)
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is redefined;
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Copy(me)
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returns LocationLaw from GeomFill
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is redefined;
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D0(me : mutable;
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Param: Real;
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M : out Mat from gp;
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V : out Vec from gp)
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---Purpose: compute Location
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returns Boolean is redefined;
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D0(me : mutable;
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Param: Real;
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M : out Mat from gp;
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V : out Vec from gp;
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Poles2d : out Array1OfPnt2d from TColgp)
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---Purpose: compute Location and 2d points
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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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M : out Mat from gp;
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V : out Vec from gp;
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DM : out Mat from gp;
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DV : out Vec from gp;
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Poles2d : out Array1OfPnt2d from TColgp;
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DPoles2d : out Array1OfVec2d from TColgp)
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---Purpose: compute location 2d points and associated
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-- first derivatives.
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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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M : out Mat from gp;
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V : out Vec from gp;
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DM : out Mat from gp;
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DV : out Vec from gp;
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D2M : out Mat from gp;
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D2V : out Vec from gp;
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Poles2d : out Array1OfPnt2d from TColgp;
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DPoles2d : out Array1OfVec2d from TColgp;
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D2Poles2d : out Array1OfVec2d from TColgp)
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---Purpose: compute location 2d points and associated
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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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-- ================== General Information On The Function ==================
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--
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HasFirstRestriction(me)
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---Purpose: Say if the first restriction is defined in this class.
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-- If it is true the first element of poles array in
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-- D0,D1,D2... Correspond to this restriction.
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-- Returns Standard_False (default implementation)
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returns Boolean
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is redefined;
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HasLastRestriction(me) -- A FAIRE !!
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---Purpose: Say if the last restriction is defined in this class.
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-- If it is true the last element of poles array in
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-- D0,D1,D2... Correspond to this restriction.
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-- Returns Standard_False (default implementation)
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returns Boolean
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is redefined;
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TraceNumber(me)
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---Purpose: Give the number of trace (Curves 2d wich are not restriction)
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-- Returns 1 (default implementation)
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returns Integer
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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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SetInterval(me: mutable; First, Last: Real from Standard)
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---Purpose: Sets the bounds of the parametric interval on
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-- the function
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-- This determines the derivatives in these values if the
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-- function is not Cn.
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is redefined;
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GetInterval(me; First, Last: out Real from Standard)
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---Purpose: Gets the bounds of the parametric interval on
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-- the function
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is redefined;
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GetDomain(me; First, Last: out Real from Standard)
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---Purpose: Gets the bounds of the function parametric domain.
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-- Warning: This domain it is not modified by the
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-- SetValue method
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is redefined;
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-- =================== To help computation of Tolerance ===============
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--
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-- Evaluation of error, in 2d space, or on composed function, is
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-- difficult. The following methods can help the approximation to
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-- make good evaluation and use good tolerances.
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--
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-- It is not necessary for the following informations to be very
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-- precise. A fast evaluation is sufficient.
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Resolution(me;
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Index : Integer from Standard;
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Tol : Real from Standard;
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TolU, TolV : out Real from Standard)
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---Purpose: Returns the resolutions in the sub-space 2d <Index>
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-- This information is usfull to find an good tolerance in
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-- 2d approximation.
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-- Warning: Used only if Nb2dCurve > 0
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is redefined;
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GetMaximalNorm(me : mutable)
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---Purpose: Get the maximum Norm of the matrix-location part. It
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-- is usful to find an good Tolerance to approx M(t).
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returns Real
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is redefined;
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GetAverageLaw(me : mutable;
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AM: out Mat from gp;
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AV: out Vec from gp)
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---Purpose: Get average value of M(t) and V(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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--
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-- To find elementary sweep
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--
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IsTranslation(me; Error : out Real)
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---Purpose: Say if the Location Law, is an translation of Location
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-- The default implementation is " returns False ".
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returns Boolean
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is redefined;
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IsRotation(me; Error : out Real )
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---Purpose: Say if the Location Law, is a rotation of Location
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-- The default implementation is " returns False ".
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returns Boolean
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is redefined;
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Rotation(me; Center : out Pnt from gp)
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is redefined;
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IsIntersec(me)
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---Purpose: Say if the generatrice interset the surface
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returns Boolean
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is static;
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Direction(me)
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returns Dir from gp;
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fields
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Trans : Mat from gp;
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myLaw : DraftTrihedron from GeomFill;
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mySurf : HSurface from Adaptor3d;
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myCurve : HCurve from Adaptor3d;
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myTrimmed : HCurve from Adaptor3d;
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myDir : Dir from gp;
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myAngle : Real from Standard;
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myNbPts : Integer from Standard;
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myPoles2d : HArray1OfPnt2d from TColgp is protected;
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Intersec : Boolean from Standard;
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WithTrans : Boolean from Standard;
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end LocationDraft;
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