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122 lines
4.0 KiB
Plaintext
Executable File
122 lines
4.0 KiB
Plaintext
Executable File
-- Created on: 1999-06-22
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-- Created by: Roman LYGIN
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-- Copyright (c) 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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deferred class ComplexCurve from ShapeExtend inherits Curve from Geom
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---Purpose: Defines a curve which consists of several segments.
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-- Implements basic interface to it.
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uses
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Pnt from gp,
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Vec from gp,
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Trsf from gp,
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Shape from GeomAbs,
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Curve from Geom
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is
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Initialize returns mutable ComplexCurve from ShapeExtend;
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---Purpose:
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NbCurves (me) returns Integer is deferred;
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---Purpose: Returns number of curves
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Curve (me; index: Integer) returns Curve from Geom is deferred;
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---C++: return const &
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---Purpose: Returns curve given by its index
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LocateParameter (me; U : Real;
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UOut: out Real)
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returns Integer is deferred;
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---Purpose: Returns number of the curve for the given parameter U
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-- and local paramete r UOut for the found curve
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LocalToGlobal (me; index : Integer;
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Ulocal: Real)
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returns Real is deferred;
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---Purpose: Returns global parameter for the whole curve according
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-- to the segment and local parameter on it
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Transform (me: mutable; T: Trsf) is redefined;
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---Purpose: Applies transformation to each curve
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ReversedParameter(me; U: Real) returns Real is redefined;
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---C++: inline
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---Purpose: Returns 1 - U
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FirstParameter (me) returns Real is redefined;
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---C++: inline
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---Purpose: Returns 0
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LastParameter (me) returns Real is redefined;
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---C++: inline
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---Purpose: Returns 1
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IsClosed (me) returns Boolean is redefined;
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---C++: inline
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---Purpose: Returns True if the curve is closed
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IsPeriodic (me) returns Boolean is redefined;
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---C++: inline
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---Purpose: Returns False
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Continuity (me) returns Shape from GeomAbs is redefined;
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---C++: inline
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---Purpose: Returns GeomAbs_C0
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IsCN (me; N: Integer) returns Boolean is redefined;
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---C++: inline
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---Purpose: Returns False if N > 0
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D0 (me; U: Real; P: out Pnt) is redefined;
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---Purpose: Returns point at parameter U.
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-- Finds appropriate curve and local parameter on it.
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D1 (me; U: Real; P: out Pnt; V1: out Vec) is redefined;
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D2 (me; U: Real; P: out Pnt; V1, V2: out Vec) is redefined;
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D3 (me; U: Real; P: out Pnt; V1, V2, V3: out Vec) is redefined;
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DN (me; U: Real; N: Integer) returns Vec is redefined;
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GetScaleFactor(me; ind: Integer) returns Real is deferred;
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---Purpose: Returns scale factor for recomputing of deviatives.
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---Level: Internal
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CheckConnectivity (me: mutable; Preci: Real) returns Boolean;
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---Purpose: Checks geometrical connectivity of the curves, including
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-- closure (sets fields myClosed)
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TransformDN (me; V: in out Vec; ind: Integer; N: Integer)
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is protected;
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---Purpose: Transform the derivative according to its order
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fields
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myClosed: Boolean is protected;
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end ComplexCurve;
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