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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 | |
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21 | |
22 | #include <Extrema_GenLocateExtSS.ixx> |
23 | |
24 | #include <Extrema_FuncExtSS.hxx> |
25 | #include <math_Vector.hxx> |
26 | #include <math_FunctionSetRoot.hxx> |
27 | #include <math_NewtonFunctionSetRoot.hxx> |
28 | |
29 | //======================================================================= |
30 | //function : Extrema_GenLocateExtSS |
31 | //purpose : |
32 | //======================================================================= |
33 | |
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34 | Extrema_GenLocateExtSS::Extrema_GenLocateExtSS() |
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35 | { |
36 | } |
37 | |
38 | //======================================================================= |
39 | //function : Extrema_GenLocateExtSS |
40 | //purpose : |
41 | //======================================================================= |
42 | |
43 | Extrema_GenLocateExtSS::Extrema_GenLocateExtSS(const Adaptor3d_Surface& S1, |
44 | const Adaptor3d_Surface& S2, |
45 | const Standard_Real U1, |
46 | const Standard_Real V1, |
47 | const Standard_Real U2, |
48 | const Standard_Real V2, |
49 | const Standard_Real Tol1, |
50 | const Standard_Real Tol2) |
51 | { |
52 | Perform(S1,S2,U1,V1,U2,V2,Tol1,Tol2); |
53 | } |
54 | |
55 | //======================================================================= |
56 | //function : Perform |
57 | //purpose : |
58 | //======================================================================= |
59 | |
60 | void Extrema_GenLocateExtSS::Perform(const Adaptor3d_Surface& S1, |
61 | const Adaptor3d_Surface& S2, |
62 | const Standard_Real U1, |
63 | const Standard_Real V1, |
64 | const Standard_Real U2, |
65 | const Standard_Real V2, |
66 | const Standard_Real Tol1, |
67 | const Standard_Real Tol2) |
68 | { |
69 | myDone = Standard_False; |
70 | |
71 | Standard_Real Uinf1, Usup1, Vinf1, Vsup1; |
72 | Uinf1 = S1.FirstUParameter(); |
73 | Usup1 = S1.LastUParameter(); |
74 | Vinf1 = S1.FirstVParameter(); |
75 | Vsup1 = S1.LastVParameter(); |
76 | |
77 | Standard_Real Uinf2, Usup2, Vinf2, Vsup2; |
78 | Uinf2 = S2.FirstUParameter(); |
79 | Usup2 = S2.LastUParameter(); |
80 | Vinf2 = S2.FirstVParameter(); |
81 | Vsup2 = S2.LastVParameter(); |
82 | |
83 | Extrema_FuncExtSS F (S1,S2); |
84 | math_Vector Tol(1, 4), Start(1, 4), BInf(1, 4), BSup(1, 4); |
85 | |
86 | Tol(1) = Tol1; |
87 | Tol(2) = Tol1; |
88 | Tol(3) = Tol2; |
89 | Tol(4) = Tol2; |
90 | |
91 | Start(1) = U1; |
92 | Start(2) = V1; |
93 | Start(3) = U2; |
94 | Start(4) = V2; |
95 | |
96 | BInf(1) = Uinf1; |
97 | BInf(2) = Vinf1; |
98 | BInf(3) = Uinf2; |
99 | BInf(4) = Vinf2; |
100 | BSup(1) = Usup1; |
101 | BSup(2) = Vsup1; |
102 | BSup(3) = Usup2; |
103 | BSup(4) = Vsup2; |
104 | |
105 | math_FunctionSetRoot SR (F, Start,Tol, BInf, BSup); |
106 | if (!SR.IsDone()) |
107 | return; |
108 | |
109 | mySqDist = F.SquareDistance(1); |
110 | myPoint1 = F.PointOnS1(1); |
111 | myPoint2 = F.PointOnS2(1); |
112 | myDone = Standard_True; |
113 | |
114 | } |
115 | |
116 | //======================================================================= |
117 | //function : IsDone |
118 | //purpose : |
119 | //======================================================================= |
120 | |
121 | Standard_Boolean Extrema_GenLocateExtSS::IsDone() const |
122 | { |
123 | return myDone; |
124 | } |
125 | |
126 | //======================================================================= |
127 | //function : Value |
128 | //purpose : |
129 | //======================================================================= |
130 | |
131 | Standard_Real Extrema_GenLocateExtSS::SquareDistance() const |
132 | { |
133 | if (!IsDone()) { StdFail_NotDone::Raise(); } |
134 | return mySqDist; |
135 | } |
136 | |
137 | //======================================================================= |
138 | //function : PointOnS1 |
139 | //purpose : |
140 | //======================================================================= |
141 | |
142 | const Extrema_POnSurf& Extrema_GenLocateExtSS::PointOnS1() const |
143 | { |
144 | if (!IsDone()) { StdFail_NotDone::Raise(); } |
145 | return myPoint1; |
146 | } |
147 | |
148 | //======================================================================= |
149 | //function : PointOnS2 |
150 | //purpose : |
151 | //======================================================================= |
152 | |
153 | const Extrema_POnSurf& Extrema_GenLocateExtSS::PointOnS2() const |
154 | { |
155 | if (!IsDone()) { StdFail_NotDone::Raise(); } |
156 | return myPoint2; |
157 | } |
158 | |