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1 | // Created on: 1996-01-25 |
2 | // Created by: Laurent PAINNOT |
3 | // Copyright (c) 1996-1999 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 | |
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21 | |
22 | |
23 | #include <Extrema_GenLocateExtCS.ixx> |
24 | |
25 | #include <Extrema_FuncExtCS.hxx> |
26 | #include <math_Vector.hxx> |
27 | #include <math_FunctionSetRoot.hxx> |
28 | #include <math_NewtonFunctionSetRoot.hxx> |
29 | |
30 | //======================================================================= |
31 | //function : Extrema_GenLocateExtCS |
32 | //purpose : |
33 | //======================================================================= |
34 | |
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35 | Extrema_GenLocateExtCS::Extrema_GenLocateExtCS() |
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36 | { |
37 | } |
38 | |
39 | //======================================================================= |
40 | //function : Extrema_GenLocateExtCS |
41 | //purpose : |
42 | //======================================================================= |
43 | |
44 | Extrema_GenLocateExtCS::Extrema_GenLocateExtCS(const Adaptor3d_Curve& C, |
45 | const Adaptor3d_Surface& S, |
46 | const Standard_Real T, |
47 | const Standard_Real U, |
48 | const Standard_Real V, |
49 | const Standard_Real Tol1, |
50 | const Standard_Real Tol2) |
51 | { |
52 | Perform(C,S,T,U,V,Tol1,Tol2); |
53 | } |
54 | |
55 | //======================================================================= |
56 | //function : Perform |
57 | //purpose : |
58 | //======================================================================= |
59 | |
60 | void Extrema_GenLocateExtCS::Perform(const Adaptor3d_Curve& C, |
61 | const Adaptor3d_Surface& S, |
62 | const Standard_Real T, |
63 | const Standard_Real U, |
64 | const Standard_Real V, |
65 | const Standard_Real Tol1, |
66 | const Standard_Real Tol2) |
67 | { |
68 | myDone = Standard_False; |
69 | |
70 | Standard_Real Tinf, Tsup; |
71 | Tinf = C.FirstParameter(); |
72 | Tsup = C.LastParameter(); |
73 | |
74 | Standard_Real Uinf, Usup, Vinf, Vsup; |
75 | Uinf = S.FirstUParameter(); |
76 | Usup = S.LastUParameter(); |
77 | Vinf = S.FirstVParameter(); |
78 | Vsup = S.LastVParameter(); |
79 | |
80 | Extrema_FuncExtCS F (C,S); |
81 | math_Vector Tol(1, 3), Start(1, 3), BInf(1, 3), BSup(1, 3); |
82 | Tol(1) = Tol1; |
83 | Tol(2) = Tol2; |
84 | Tol(3) = Tol2; |
85 | |
86 | Start(1) = T; |
87 | Start(2) = U; |
88 | Start(3) = V; |
89 | |
90 | BInf(1) = Tinf; |
91 | BInf(2) = Uinf; |
92 | BInf(3) = Vinf; |
93 | |
94 | BSup(1) = Tsup; |
95 | BSup(2) = Usup; |
96 | BSup(3) = Vsup; |
97 | |
98 | math_FunctionSetRoot SR (F, Start,Tol, BInf, BSup); |
99 | if (!SR.IsDone()) |
100 | return; |
101 | |
102 | mySqDist = F.SquareDistance(1); |
103 | myPoint1 = F.PointOnCurve(1); |
104 | myPoint2 = F.PointOnSurface(1); |
105 | myDone = Standard_True; |
106 | |
107 | } |
108 | |
109 | //======================================================================= |
110 | //function : IsDone |
111 | //purpose : |
112 | //======================================================================= |
113 | |
114 | Standard_Boolean Extrema_GenLocateExtCS::IsDone() const |
115 | { |
116 | return myDone; |
117 | } |
118 | |
119 | //======================================================================= |
120 | //function : Value |
121 | //purpose : |
122 | //======================================================================= |
123 | |
124 | Standard_Real Extrema_GenLocateExtCS::SquareDistance() const |
125 | { |
126 | if (!IsDone()) { StdFail_NotDone::Raise(); } |
127 | return mySqDist; |
128 | } |
129 | |
130 | //======================================================================= |
131 | //function : PointOnCurve |
132 | //purpose : |
133 | //======================================================================= |
134 | |
135 | const Extrema_POnCurv& Extrema_GenLocateExtCS::PointOnCurve() const |
136 | { |
137 | if (!IsDone()) { StdFail_NotDone::Raise(); } |
138 | return myPoint1; |
139 | } |
140 | |
141 | //======================================================================= |
142 | //function : PointOnSurface |
143 | //purpose : |
144 | //======================================================================= |
145 | |
146 | const Extrema_POnSurf& Extrema_GenLocateExtCS::PointOnSurface() const |
147 | { |
148 | if (!IsDone()) { StdFail_NotDone::Raise(); } |
149 | return myPoint2; |
150 | } |
151 | |