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-- File: ShapeUpgrade_SplitCurve.cdl
-- Created: Thu Mar 12 11:14:13 1998
-- Author: Pierre BARRAS
-- <pbs@sgi84>
---Copyright: Matra Datavision 1998
class SplitCurve from ShapeUpgrade inherits TShared from MMgt
---Purpose: Splits a curve with a criterion.
uses
Curve from Geom,
HArray1OfCurve from TColGeom,
HSequenceOfReal from TColStd,
Shape from GeomAbs,
Status from ShapeExtend
is
Create returns mutable SplitCurve from ShapeUpgrade;
---Purpose: Empty constructor.
Init (me: mutable; First, Last: Real);
---Purpose: Initializes with curve first and last parameters.
SetSplitValues (me: mutable; SplitValues: HSequenceOfReal from TColStd);
---Purpose: Sets the parameters where splitting has to be done.
Build (me: mutable; Segment: Boolean) is virtual;
---Purpose: If Segment is True, the result is composed with
-- segments of the curve bounded by the SplitValues. If
-- Segment is False, the result is composed with trimmed
-- Curves all based on the same complete curve.
--
SplitValues(me) returns HSequenceOfReal from TColStd;
---C++: return const &
--- Purpose : returns all the splitting values including the
-- First and Last parameters of the input curve
---Level: Internal
--PrepareKnots (me: mutable) is protected;
---Purpose: Merges input split values and new ones into myGlobalKnots
Compute(me: mutable) is virtual;
---Purpose: Calculates points for correction/splitting of the curve
Perform(me: mutable; Segment: Boolean = Standard_True);
---Purpose: Performs correction/splitting of the curve.
--- First defines splitting values by method Compute(), then calls method Build().
Status (me; status: Status from ShapeExtend) returns Boolean;
---Purpose: Returns the status
-- OK - no splitting is needed
-- DONE1 - splitting required and gives more than one segment
-- DONE2 - splitting is required, but gives only one segment (initial)
-- DONE3 - geometric form of the curve or parametrisation is modified
fields
mySplitValues : HSequenceOfReal from TColStd is protected;
myNbCurves : Integer is protected;
myStatus : Integer is protected;
end;
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