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1 | -- Created on: 1997-07-29 |
2 | -- Created by: Jerome LEMONIER |
3 | -- Copyright (c) 1997-1999 Matra Datavision |
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4 | -- Copyright (c) 1999-2014 OPEN CASCADE SAS |
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5 | -- |
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6 | -- This file is part of Open CASCADE Technology software library. |
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7 | -- |
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8 | -- This library is free software; you can redistribute it and/or modify it under |
9 | -- the terms of the GNU Lesser General Public License version 2.1 as published |
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10 | -- by the Free Software Foundation, with special exception defined in the file |
11 | -- OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
12 | -- distribution for complete text of the license and disclaimer of any warranty. |
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13 | -- |
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14 | -- Alternatively, this file may be used under the terms of Open CASCADE |
15 | -- commercial license or contractual agreement. |
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16 | |
17 | class SurfPointEvolRadInv from BRepBlend |
18 | |
19 | inherits SurfPointFuncInv from Blend |
20 | |
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21 | ---Purpose: Function of reframing between a point and a surface. |
22 | -- This function is used to find a solution on a done |
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23 | -- point of the curve when using SurfRstConsRad or |
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24 | -- CSConstRad... |
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25 | -- The vector <X> used in Value, Values and Derivatives |
26 | -- methods has to be the vector of the parametric |
27 | -- coordinates w, U, V where w is the parameter on the |
28 | -- guide line, U,V are the parametric coordinates of a |
29 | -- point on the partner surface. |
30 | |
31 | uses |
32 | Pnt from gp, |
33 | Vector from math, |
34 | Matrix from math, |
35 | HSurface from Adaptor3d, |
36 | HCurve from Adaptor3d, |
37 | Function from Law |
38 | |
39 | is |
40 | Create(S : HSurface from Adaptor3d; C : HCurve from Adaptor3d; |
41 | Evol : Function from Law) |
42 | returns SurfPointEvolRadInv from BRepBlend; |
43 | |
44 | Set(me: in out; Choix: Integer from Standard) |
45 | is static; |
46 | |
47 | NbEquations(me) |
48 | ---Purpose: returns 3. |
49 | returns Integer from Standard; |
50 | |
51 | Value(me: in out; X: Vector; F: out Vector) |
52 | ---Purpose: computes the values <F> of the Functions for the |
53 | -- variable <X>. |
54 | -- Returns True if the computation was done successfully, |
55 | -- False otherwise. |
56 | returns Boolean from Standard; |
57 | |
58 | Derivatives(me: in out; X: Vector; D: out Matrix) |
59 | ---Purpose: returns the values <D> of the derivatives for the |
60 | -- variable <X>. |
61 | -- Returns True if the computation was done successfully, |
62 | -- False otherwise. |
63 | returns Boolean from Standard; |
64 | |
65 | Values(me: in out; X: Vector; F: out Vector; D: out Matrix) |
66 | ---Purpose: returns the values <F> of the functions and the derivatives |
67 | -- <D> for the variable <X>. |
68 | -- Returns True if the computation was done successfully, |
69 | -- False otherwise. |
70 | returns Boolean from Standard; |
71 | |
72 | Set(me: in out; P : Pnt from gp); |
73 | ---Purpose: Set the Point on which a solution has to be found. |
74 | |
75 | GetTolerance(me; Tolerance: out Vector from math; Tol: Real from Standard); |
76 | ---Purpose: Returns in the vector Tolerance the parametric tolerance |
77 | -- for each of the 3 variables; |
78 | -- Tol is the tolerance used in 3d space. |
79 | |
80 | GetBounds(me; InfBound,SupBound: out Vector from math); |
81 | ---Purpose: Returns in the vector InfBound the lowest values allowed |
82 | -- for each of the 3 variables. |
83 | -- Returns in the vector SupBound the greatest values allowed |
84 | -- for each of the 3 variables. |
85 | |
86 | IsSolution(me: in out; Sol: Vector from math; Tol: Real from Standard) |
87 | ---Purpose: Returns Standard_True if Sol is a zero of the function. |
88 | -- Tol is the tolerance used in 3d space. |
89 | returns Boolean from Standard; |
90 | |
91 | fields |
92 | |
93 | surf : HSurface from Adaptor3d; |
94 | curv : HCurve from Adaptor3d; |
95 | point : Pnt from gp; |
96 | ray : Real from Standard; |
97 | choix : Integer from Standard; |
98 | tevol : Function from Law; |
99 | sg1 : Real from Standard; |
100 | |
101 | |
102 | end SurfPointEvolRadInv; |