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1 | -- Created on: 1995-07-18 |
2 | -- Created by: Modelistation |
3 | -- Copyright (c) 1995-1999 Matra Datavision |
4 | -- Copyright (c) 1999-2012 OPEN CASCADE SAS |
5 | -- |
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. |
10 | -- |
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. |
13 | -- |
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. |
20 | |
7fd59977 |
21 | |
22 | generic class GenLocateExtCC from Extrema |
23 | (Curve1 as any; |
24 | Tool1 as any; -- as ToolCurve(Curve1); |
25 | Curve2 as any; |
26 | Tool2 as any; -- as ToolCurve(Curve2); |
27 | POnC as any; |
28 | Pnt as any; |
29 | Vec as any) |
30 | |
31 | ---Purpose: It calculates the distance between two curves with |
32 | -- a close point; these distances can be maximum or |
33 | -- minimum. |
34 | |
35 | |
36 | raises DomainError from Standard, |
37 | NotDone from StdFail |
38 | |
39 | private class CCLocF instantiates FuncExtCC (Curve1, Tool1, |
40 | Curve2, Tool2, |
41 | POnC, Pnt, Vec); |
42 | |
43 | is |
44 | Create (C1: Curve1; C2: Curve2; U0,V0: Real; TolU,TolV: Real) |
45 | returns GenLocateExtCC |
46 | ---Purpose: Calculates the distance with a close point. The |
47 | -- close point is defined by a parameter value on each |
48 | -- curve. |
49 | -- The function F(u,v)=distance(C1(u),C2(v)) has an |
50 | -- extremun when gradient(f)=0. The algorithm searchs |
51 | -- the zero near the close point. |
52 | raises DomainError; |
53 | -- if U0 and V0 are outside the definition ranges of the |
54 | -- curves. |
55 | |
56 | IsDone (me) returns Boolean |
57 | ---Purpose: Returns True if the distance is found. |
58 | is static; |
59 | |
60 | SquareDistance (me) returns Real |
61 | ---Purpose: Returns the value of the extremum square distance. |
62 | raises NotDone from StdFail |
63 | -- if IsDone(me)=False. |
64 | is static; |
65 | |
66 | Point (me; P1, P2: out POnC) |
67 | ---Purpose: Returns the points of the extremum distance. |
68 | -- P1 is on the first curve, P2 on the second one. |
69 | raises NotDone from StdFail |
70 | -- if IsDone(me)=False. |
71 | is static; |
72 | |
73 | |
74 | fields |
75 | myDone : Boolean; |
76 | mySqDist: Real; |
77 | myPoint1: POnC; |
78 | myPoint2: POnC; |
79 | |
80 | end GenLocateExtCC; |