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94 lines
3.6 KiB
Plaintext
Executable File
94 lines
3.6 KiB
Plaintext
Executable File
-- Created on: 1997-08-26
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-- Created by: Stepan MISHIN
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-- Copyright (c) 1997-1999 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 ApproxSurface from GeomConvert
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---Purpose: A framework to convert a surface to a BSpline
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-- surface. This is done by approximation to a BSpline
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-- surface within a given tolerance.
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uses
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Pnt from gp,
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Surface from Geom,
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OffsetSurface from Geom,
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BSplineSurface from Geom,
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Shape from GeomAbs,
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ApproxAFunc2Var from AdvApp2Var,
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OutOfRange from Standard
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raises OutOfRange from Standard
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is
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Create(Surf: Surface from Geom;
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Tol3d: Real;
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UContinuity : Shape from GeomAbs;
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VContinuity : Shape from GeomAbs;
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MaxDegU : Integer;
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MaxDegV : Integer;
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MaxSegments: Integer;
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PrecisCode : Integer) returns ApproxSurface ;
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---Purpose: Constructs a surface approximation framework defined by
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-- - the conic Surf
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-- - the tolerance value Tol3d
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-- - the degree of continuity UContinuity, VContinuity
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-- in the directions of the U and V parameters
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-- - the highest degree MaxDegU, MaxDegV which
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-- the polynomial defining the BSpline curve may
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-- have in the directions of the U and V parameters
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-- - the maximum number of segments MaxSegments
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-- allowed in the resulting BSpline curve
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-- - the index of precision PrecisCode.
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Surface(me) returns BSplineSurface from Geom;
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---Purpose: Returns the BSpline surface resulting from the approximation algorithm.
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IsDone(me) returns Boolean from Standard;
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--- Purpose: Returns Standard_True if the approximation has be done
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HasResult(me) returns Boolean;
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--- Purpose: Returns true if the approximation did come out with a result that
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-- is not NECESSARILY within the required tolerance or a result
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-- that is not recognized with the wished continuities.
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MaxError(me) returns Real from Standard;
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--- Purpose: Returns the greatest distance between a point on the
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-- source conic surface and the BSpline surface
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-- resulting from the approximation (>0 when an approximation
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-- has been done, 0 if no approximation )
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Dump(me ; o : in out OStream);
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---Purpose: Prints on the stream o informations on the current state of the object.
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fields
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mySurf : Surface from Geom;
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myIsDone : Boolean from Standard;
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myHasResult: Boolean from Standard;
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myBSplSurf : BSplineSurface from Geom;
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myMaxError : Real from Standard;
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end;
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