1 -- Created on: 1994-09-02
2 -- Created by: Yves FRICAUD
3 -- Copyright (c) 1994-1999 Matra Datavision
4 -- Copyright (c) 1999-2012 OPEN CASCADE SAS
6 -- The content of this file is subject to the Open CASCADE Technology Public
7 -- License Version 6.5 (the "License"). You may not use the content of this file
8 -- except in compliance with the License. Please obtain a copy of the License
9 -- at http://www.opencascade.org and read it completely before using this file.
11 -- The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
12 -- main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
14 -- The Original Code and all software distributed under the License is
15 -- distributed on an "AS IS" basis, without warranty of any kind, and the
16 -- Initial Developer hereby disclaims all such warranties, including without
17 -- limitation, any warranties of merchantability, fitness for a particular
18 -- purpose or non-infringement. Please see the License for the specific terms
19 -- and conditions governing the rights and limitations under the License.
23 generic class NumericCurInf from LProp (Curve as any;
24 Vec as any; -- as Vec or Vec2d
25 Pnt as any; -- as Pnt or Pnt2d
26 Dir as any; -- as Dir or Dir2d Vec
27 Tool as any) -- as Tool(Curve, Pnt, Vec)
29 ---Purpose: Computes the locals extremas of curvature and the
30 -- inflections of a bounded curve in 2d.
35 private class FCurExt instantiates FuncCurExt from LProp (Curve,Vec,Pnt,Dir,Tool);
36 private class FCurNul instantiates FuncCurNul from LProp (Curve,Vec,Pnt,Dir,Tool);
41 PerformCurExt (me : in out; C : Curve; Result : in out CurAndInf)
42 ---Purpose: Computes the locals extremas of curvature.
45 PerformInf (me : in out; C : Curve; Result : in out CurAndInf)
46 ---Purpose: Computes the inflections.
49 PerformCurExt (me : in out;
53 Result : in out CurAndInf)
54 ---Purpose: Computes the locals extremas of curvature.
55 -- in the interval of parmeters [UMin,UMax].
58 PerformInf (me : in out;
62 Result : in out CurAndInf)
63 ---Purpose: Computes the inflections in the interval of
64 -- parmeters [UMin,UMax].
67 IsDone (me) returns Boolean
68 ---Purpose: True if the solutions are found.
72 isDone : Boolean from Standard;