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104 lines
4.4 KiB
Plaintext
Executable File
104 lines
4.4 KiB
Plaintext
Executable File
-- Created on: 1998-07-14
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-- Created by: data exchange team
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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 Curve from ShapeConstruct
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---Purpose: Adjusts curve to have start and end points at the given
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-- points (currently works on lines and B-Splines only)
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uses
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Pnt from gp,
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Pnt2d from gp,
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Curve from Geom,
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Curve from Geom2d,
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BSplineCurve from Geom,
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BSplineCurve from Geom2d,
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HArray1OfReal from TColStd,
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Array1OfReal from TColStd
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is
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AdjustCurve (me; C3D: Curve from Geom;
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P1, P2: Pnt from gp;
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take1, take2: Boolean = Standard_True)
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returns Boolean;
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---Purpose : Modifies a curve in order to make its bounds confused with
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-- given points.
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-- Works only on lines and B-Splines, returns True in this case,
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-- else returns False.
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-- For line considers both bounding points, for B-Splines only
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-- specified.
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--
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-- Warning : Does not check if curve should be reversed
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AdjustCurveSegment (me; C3D: Curve from Geom;
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P1, P2: Pnt from gp;
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U1, U2: Real)
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returns Boolean;
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---Purpose : Modifies a curve in order to make its bounds confused with
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-- given points.
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-- Works only on lines and B-Splines.
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--
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-- For lines works as previous method, B-Splines are segmented
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-- at the given values and then are adjusted to the points.
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AdjustCurve2d (me; C2D: Curve from Geom2d;
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P1, P2: Pnt2d from gp;
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take1, take2: Boolean = Standard_True)
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returns Boolean;
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---Purpose : Modifies a curve in order to make its bounds confused with
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-- given points.
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-- Works only on lines and B-Splines, returns True in this case,
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-- else returns False.
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--
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-- For line considers both bounding points, for B-Splines only
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-- specified.
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--
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-- Warning : Does not check if curve should be reversed
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ConvertToBSpline (me; C: Curve from Geom; first, last: Real; prec: Real)
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returns BSplineCurve from Geom;
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---Purpose: Converts a curve of any type (only part from first to last)
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-- to bspline. The method of conversion depends on the type
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-- of original curve:
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-- BSpline -> C.Segment(first,last)
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-- Bezier and Line -> GeomConvert::CurveToBSplineCurve(C).Segment(first,last)
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-- Conic and Other -> Approx_Curve3d(C[first,last],prec,C1,9,1000)
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ConvertToBSpline (me; C: Curve from Geom2d; first, last: Real; prec: Real)
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returns BSplineCurve from Geom2d;
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---Purpose: Converts a curve of any type (only part from first to last)
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-- to bspline. The method of conversion depends on the type
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-- of original curve:
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-- BSpline -> C.Segment(first,last)
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-- Bezier and Line -> GeomConvert::CurveToBSplineCurve(C).Segment(first,last)
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-- Conic and Other -> Approx_Curve2d(C[first,last],prec,C1,9,1000)
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FixKnots (myclass; knots: in out HArray1OfReal from TColStd) returns Boolean;
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FixKnots (myclass; knots: in out Array1OfReal from TColStd) returns Boolean;
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---Purpose: Fix bspline knots to ensure that there is enough
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-- gap between neighbouring values
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-- Returns True if something fixed (by shifting knot)
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end Curve;
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