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1 | // Created on: 1995-12-04 |
2 | // Created by: Laurent BOURESCHE |
3 | // Copyright (c) 1995-1999 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 | |
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17 | |
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18 | #include <GeomFill_Boundary.hxx> |
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19 | #include <GeomFill_CoonsAlgPatch.hxx> |
20 | #include <GeomFill_TgtOnCoons.hxx> |
21 | #include <gp_Vec.hxx> |
22 | #include <Standard_Type.hxx> |
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23 | |
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24 | IMPLEMENT_STANDARD_RTTIEXT(GeomFill_TgtOnCoons,GeomFill_TgtField) |
25 | |
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26 | //======================================================================= |
27 | //function : GeomFill_TgtOnCoons |
28 | //purpose : |
29 | //======================================================================= |
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30 | GeomFill_TgtOnCoons::GeomFill_TgtOnCoons |
31 | (const Handle(GeomFill_CoonsAlgPatch)& K, |
32 | const Standard_Integer I) : myK(K), ibound(I) |
33 | { |
34 | } |
35 | |
36 | |
37 | //======================================================================= |
38 | //function : Value |
39 | //purpose : |
40 | //======================================================================= |
41 | |
42 | gp_Vec GeomFill_TgtOnCoons::Value(const Standard_Real W) const |
43 | { |
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44 | Standard_Real U = 0.,V = 0.,bid = 0.; |
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45 | switch (ibound){ |
46 | case 0 : |
47 | myK->Bound(1)->Bounds(V,bid); |
48 | break; |
49 | case 1 : |
50 | myK->Bound(0)->Bounds(bid,U); |
51 | break; |
52 | case 2 : |
53 | myK->Bound(1)->Bounds(bid,V); |
54 | break; |
55 | case 3 : |
56 | myK->Bound(0)->Bounds(U,bid); |
57 | break; |
58 | } |
59 | |
60 | gp_Vec tgk; |
61 | |
62 | switch (ibound){ |
63 | case 0 : |
64 | case 2 : |
65 | U = W; |
66 | tgk = myK->D1V(U,V); |
67 | break; |
68 | case 1 : |
69 | case 3 : |
70 | V = W; |
71 | tgk = myK->D1U(U,V); |
72 | break; |
73 | } |
74 | |
75 | gp_Vec n = myK->Bound(ibound)->Norm(W); |
76 | Standard_Real scal = tgk.Dot(n); |
77 | n.Multiply(-scal); |
78 | tgk.Add(n); |
79 | return tgk; |
80 | } |
81 | |
82 | |
83 | //======================================================================= |
84 | //function : D1 |
85 | //purpose : |
86 | //======================================================================= |
87 | |
88 | gp_Vec GeomFill_TgtOnCoons::D1(const Standard_Real W) const |
89 | { |
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90 | Standard_Real U = 0.,V = 0.,bid = 0.; |
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91 | switch (ibound){ |
92 | case 0 : |
93 | myK->Bound(1)->Bounds(V,bid); |
94 | break; |
95 | case 1 : |
96 | myK->Bound(0)->Bounds(bid,U); |
97 | break; |
98 | case 2 : |
99 | myK->Bound(1)->Bounds(bid,V); |
100 | break; |
101 | case 3 : |
102 | myK->Bound(0)->Bounds(U,bid); |
103 | break; |
104 | } |
105 | |
106 | gp_Vec tgsc,dtgsc; |
107 | |
108 | switch (ibound){ |
109 | case 0 : |
110 | case 2 : |
111 | U = W; |
112 | tgsc = myK->D1V(U,V); |
113 | break; |
114 | case 1 : |
115 | case 3 : |
116 | V = W; |
117 | tgsc = myK->D1U(U,V); |
118 | break; |
119 | } |
120 | dtgsc = myK->DUV(U,V); |
121 | |
122 | gp_Vec n, dn; |
123 | myK->Bound(ibound)->D1Norm(W,n,dn); |
124 | |
125 | Standard_Real scal = tgsc.Dot(n); |
126 | gp_Vec scaln = n.Multiplied(-scal); |
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127 | tgsc.Added(scaln); |
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128 | |
129 | gp_Vec scaldn = dn.Multiplied(-scal); |
130 | |
131 | Standard_Real scal2 = -dtgsc.Dot(n) - tgsc.Dot(dn); |
132 | gp_Vec temp = n.Multiplied(scal2); |
133 | |
134 | temp.Add(scaldn); |
135 | gp_Vec dtpur = dtgsc.Added(temp); |
136 | |
137 | return dtpur; |
138 | } |
139 | |
140 | |
141 | //======================================================================= |
142 | //function : D1 |
143 | //purpose : |
144 | //======================================================================= |
145 | |
146 | void GeomFill_TgtOnCoons::D1(const Standard_Real W, gp_Vec& T, gp_Vec& DT) const |
147 | { |
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148 | Standard_Real U = 0.,V = 0.,bid = 0.; |
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149 | switch (ibound){ |
150 | case 0 : |
151 | myK->Bound(1)->Bounds(V,bid); |
152 | break; |
153 | case 1 : |
154 | myK->Bound(0)->Bounds(bid,U); |
155 | break; |
156 | case 2 : |
157 | myK->Bound(1)->Bounds(bid,V); |
158 | break; |
159 | case 3 : |
160 | myK->Bound(0)->Bounds(U,bid); |
161 | break; |
162 | } |
163 | |
164 | gp_Vec tgsc,dtgsc; |
165 | |
166 | switch (ibound){ |
167 | case 0 : |
168 | case 2 : |
169 | U = W; |
170 | tgsc = myK->D1V(U,V); |
171 | break; |
172 | case 1 : |
173 | case 3 : |
174 | V = W; |
175 | tgsc = myK->D1U(U,V); |
176 | break; |
177 | } |
178 | dtgsc = myK->DUV(U,V); |
179 | |
180 | gp_Vec n, dn; |
181 | myK->Bound(ibound)->D1Norm(W,n,dn); |
182 | |
183 | Standard_Real scal = tgsc.Dot(n); |
184 | gp_Vec scaln = n.Multiplied(-scal); |
185 | T = tgsc.Added(scaln); |
186 | |
187 | gp_Vec scaldn = dn.Multiplied(-scal); |
188 | |
189 | Standard_Real scal2 = -dtgsc.Dot(n) - tgsc.Dot(dn); |
190 | gp_Vec temp = n.Multiplied(scal2); |
191 | |
192 | temp.Add(scaldn); |
193 | DT = dtgsc.Added(temp); |
194 | } |