b311480e |
1 | // Created on: 1995-12-04 |
2 | // Created by: Laurent BOURESCHE |
3 | // Copyright (c) 1995-1999 Matra Datavision |
973c2be1 |
4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
b311480e |
5 | // |
973c2be1 |
6 | // This file is part of Open CASCADE Technology software library. |
b311480e |
7 | // |
d5f74e42 |
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 |
973c2be1 |
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. |
b311480e |
13 | // |
973c2be1 |
14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
7fd59977 |
16 | |
17 | #include <GeomFill_CoonsAlgPatch.ixx> |
18 | #include <Law_Linear.hxx> |
19 | #include <gp_XYZ.hxx> |
20 | |
21 | //======================================================================= |
22 | //function : GeomFill_CoonsAlgPatch |
23 | //purpose : |
24 | //======================================================================= |
25 | |
26 | GeomFill_CoonsAlgPatch::GeomFill_CoonsAlgPatch |
27 | (const Handle(GeomFill_Boundary)& B1, |
28 | const Handle(GeomFill_Boundary)& B2, |
29 | const Handle(GeomFill_Boundary)& B3, |
30 | const Handle(GeomFill_Boundary)& B4) |
31 | { |
32 | bound[0] = B1; bound[1] = B2; bound[2] = B3; bound[3] = B4; |
33 | Standard_Real deb0, deb1, fin0, fin1; |
34 | B2->Bounds(deb1,fin1); |
35 | a[0] = new Law_Linear(); |
857ffd5e |
36 | (*((Handle(Law_Linear)*) &a[0]))->Set(deb1,1.,fin1,0.); |
7fd59977 |
37 | B1->Bounds(deb0,fin0); |
38 | a[1] = new Law_Linear(); |
857ffd5e |
39 | (*((Handle(Law_Linear)*) &a[1]))->Set(deb0,0.,fin0,1.); |
7fd59977 |
40 | |
41 | gp_XYZ temp; |
42 | temp = B4->Value(deb1).XYZ().Added(B1->Value(deb0).XYZ()); |
43 | temp.Multiply(0.5); |
44 | c[0].SetXYZ(temp); |
45 | temp = B1->Value(fin0).XYZ().Added(B2->Value(deb1).XYZ()); |
46 | temp.Multiply(0.5); |
47 | c[1].SetXYZ(temp); |
48 | temp = B2->Value(fin1).XYZ().Added(B3->Value(fin0).XYZ()); |
49 | temp.Multiply(0.5); |
50 | c[2].SetXYZ(temp); |
51 | temp = B3->Value(deb0).XYZ().Added(B4->Value(fin1).XYZ()); |
52 | temp.Multiply(0.5); |
53 | c[3].SetXYZ(temp); |
54 | } |
55 | |
56 | |
57 | //======================================================================= |
58 | //function : SetFunc |
59 | //purpose : |
60 | //======================================================================= |
61 | |
62 | void GeomFill_CoonsAlgPatch::SetFunc(const Handle(Law_Function)& f1, |
63 | const Handle(Law_Function)& f2) |
64 | { |
65 | a[0] = f1; |
66 | a[1] = f2; |
67 | } |
68 | |
69 | |
70 | //======================================================================= |
71 | //function : Func |
72 | //purpose : |
73 | //======================================================================= |
74 | |
75 | void GeomFill_CoonsAlgPatch::Func(Handle(Law_Function)& f1, |
76 | Handle(Law_Function)& f2)const |
77 | { |
78 | f1 = a[0]; |
79 | f2 = a[1]; |
80 | } |
81 | |
82 | |
83 | //======================================================================= |
84 | //function : Value |
85 | //purpose : |
86 | //======================================================================= |
87 | |
88 | //gp_Pnt GeomFill_CoonsAlgPatch::Value(const Standard_Real U, |
89 | gp_Pnt GeomFill_CoonsAlgPatch::Value(const Standard_Real , |
90 | const Standard_Real V) const |
91 | { |
92 | Standard_Real a0,a1,a2,a3; |
93 | a0 = a[0]->Value(V); |
94 | a1 = a[1]->Value(V); |
95 | a2 = 1. - a0; |
96 | a3 = 1. - a1; |
97 | gp_XYZ cor,cortemp; |
98 | |
99 | cor = bound[0]->Value(V).XYZ(); |
100 | cor.Multiply(a0); |
101 | |
102 | cortemp = bound[1]->Value(V).XYZ(); |
103 | cortemp.Multiply(a1); |
104 | cor.Add(cortemp); |
105 | |
106 | cortemp = bound[2]->Value(V).XYZ(); |
107 | cortemp.Multiply(a2); |
108 | cor.Add(cortemp); |
109 | |
110 | cortemp = bound[3]->Value(V).XYZ(); |
111 | cortemp.Multiply(a3); |
112 | cor.Add(cortemp); |
113 | |
114 | cortemp = c[0].XYZ(); |
115 | cortemp.Multiply(-a0*a3); |
116 | cor.Add(cortemp); |
117 | |
118 | cortemp = c[1].XYZ(); |
119 | cortemp.Multiply(-a0*a1); |
120 | cor.Add(cortemp); |
121 | |
122 | cortemp = c[2].XYZ(); |
123 | cortemp.Multiply(-a1*a2); |
124 | cor.Add(cortemp); |
125 | |
126 | cortemp = c[3].XYZ(); |
127 | cortemp.Multiply(-a2*a3); |
128 | cor.Add(cortemp); |
129 | |
130 | return gp_Pnt(cor); |
131 | } |
132 | |
133 | |
134 | //======================================================================= |
135 | //function : D1U |
136 | //purpose : |
137 | //======================================================================= |
138 | |
139 | gp_Vec GeomFill_CoonsAlgPatch::D1U(const Standard_Real U, |
140 | const Standard_Real V) const |
141 | { |
142 | Standard_Real a0,a1,a2,a3,bid; |
143 | a0 = a[0]->Value(V); |
144 | a[1]->D1(U,bid,a1); |
145 | a2 = 1 - a0; |
146 | a3 = -a1; |
147 | gp_XYZ cor,cortemp; |
148 | gp_Pnt pbid; |
149 | gp_Vec vbid; |
150 | |
151 | bound[0]->D1(U,pbid,vbid); |
152 | cor = vbid.XYZ(); |
153 | cor.Multiply(a0); |
154 | |
155 | cortemp = bound[1]->Value(V).XYZ(); |
156 | cortemp.Multiply(a1); |
157 | cor.Add(cortemp); |
158 | |
159 | bound[2]->D1(U,pbid,vbid); |
160 | cortemp = vbid.XYZ(); |
161 | cortemp.Multiply(a2); |
162 | cor.Add(cortemp); |
163 | |
164 | cortemp = bound[3]->Value(V).XYZ(); |
165 | cortemp.Multiply(a3); |
166 | cor.Add(cortemp); |
167 | |
168 | cortemp = c[0].XYZ(); |
169 | cortemp.Multiply(-a0*a3); |
170 | cor.Add(cortemp); |
171 | |
172 | cortemp = c[1].XYZ(); |
173 | cortemp.Multiply(-a0*a1); |
174 | cor.Add(cortemp); |
175 | |
176 | cortemp = c[2].XYZ(); |
177 | cortemp.Multiply(-a1*a2); |
178 | cor.Add(cortemp); |
179 | |
180 | cortemp = c[3].XYZ(); |
181 | cortemp.Multiply(-a2*a3); |
182 | cor.Add(cortemp); |
183 | |
184 | vbid.SetXYZ(cor); |
185 | return vbid; |
186 | } |
187 | |
188 | |
189 | //======================================================================= |
190 | //function : D1V |
191 | //purpose : |
192 | //======================================================================= |
193 | |
194 | gp_Vec GeomFill_CoonsAlgPatch::D1V(const Standard_Real U, |
195 | const Standard_Real V) const |
196 | { |
197 | Standard_Real a0,a1,a2,a3,bid; |
198 | a[0]->D1(V,bid,a0); |
199 | a1 = a[1]->Value(U); |
200 | a2 = -a0; |
201 | a3 = 1. - a1; |
202 | gp_XYZ cor,cortemp; |
203 | gp_Pnt pbid; |
204 | gp_Vec vbid; |
205 | |
206 | cor = bound[0]->Value(U).XYZ(); |
207 | cor.Multiply(a0); |
208 | |
209 | bound[1]->D1(V,pbid,vbid); |
210 | cortemp = vbid.XYZ(); |
211 | cortemp.Multiply(a1); |
212 | cor.Add(cortemp); |
213 | |
214 | cortemp = bound[2]->Value(U).XYZ(); |
215 | cortemp.Multiply(a2); |
216 | cor.Add(cortemp); |
217 | |
218 | bound[3]->D1(V,pbid,vbid); |
219 | cortemp = vbid.XYZ(); |
220 | cortemp.Multiply(a3); |
221 | cor.Add(cortemp); |
222 | |
223 | cortemp = c[0].XYZ(); |
224 | cortemp.Multiply(-a0*a3); |
225 | cor.Add(cortemp); |
226 | |
227 | cortemp = c[1].XYZ(); |
228 | cortemp.Multiply(-a0*a1); |
229 | cor.Add(cortemp); |
230 | |
231 | cortemp = c[2].XYZ(); |
232 | cortemp.Multiply(-a1*a2); |
233 | cor.Add(cortemp); |
234 | |
235 | cortemp = c[3].XYZ(); |
236 | cortemp.Multiply(-a2*a3); |
237 | cor.Add(cortemp); |
238 | |
239 | vbid.SetXYZ(cor); |
240 | return vbid; |
241 | } |
242 | |
243 | |
244 | //======================================================================= |
245 | //function : DUV |
246 | //purpose : |
247 | //======================================================================= |
248 | |
249 | gp_Vec GeomFill_CoonsAlgPatch::DUV(const Standard_Real U, |
250 | const Standard_Real V) const |
251 | { |
252 | Standard_Real a0,a1,a2,a3,bid; |
253 | a[0]->D1(V,bid,a0); |
254 | a[1]->D1(U,bid,a1); |
255 | a2 = -a0; |
256 | a3 = -a1; |
257 | |
258 | gp_XYZ cor,cortemp; |
259 | gp_Pnt pbid; |
260 | gp_Vec vbid; |
261 | |
262 | bound[0]->D1(U,pbid,vbid); |
263 | cor = vbid.XYZ(); |
264 | cor.Multiply(a0); |
265 | |
266 | bound[1]->D1(V,pbid,vbid); |
267 | cortemp = vbid.XYZ(); |
268 | cortemp.Multiply(a1); |
269 | cor.Add(cortemp); |
270 | |
271 | bound[2]->D1(U,pbid,vbid); |
272 | cortemp = vbid.XYZ(); |
273 | cortemp.Multiply(a2); |
274 | cor.Add(cortemp); |
275 | |
276 | bound[3]->D1(V,pbid,vbid); |
277 | cortemp = vbid.XYZ(); |
278 | cortemp.Multiply(a3); |
279 | cor.Add(cortemp); |
280 | |
281 | cortemp = c[0].XYZ(); |
282 | cortemp.Multiply(-a0*a3); |
283 | cor.Add(cortemp); |
284 | |
285 | cortemp = c[1].XYZ(); |
286 | cortemp.Multiply(-a0*a1); |
287 | cor.Add(cortemp); |
288 | |
289 | cortemp = c[2].XYZ(); |
290 | cortemp.Multiply(-a1*a2); |
291 | cor.Add(cortemp); |
292 | |
293 | cortemp = c[3].XYZ(); |
294 | cortemp.Multiply(-a2*a3); |
295 | cor.Add(cortemp); |
296 | |
297 | vbid.SetXYZ(cor); |
298 | return vbid; |
299 | } |
300 | |
301 | |
302 | //======================================================================= |
303 | //function : Bound |
304 | //purpose : |
305 | //======================================================================= |
306 | |
307 | const Handle(GeomFill_Boundary)& GeomFill_CoonsAlgPatch::Bound |
308 | (const Standard_Integer I) const |
309 | { |
310 | return bound[I]; |
311 | } |
312 | |
313 | |
314 | //======================================================================= |
315 | //function : Corner |
316 | //purpose : |
317 | //======================================================================= |
318 | |
319 | const gp_Pnt& GeomFill_CoonsAlgPatch::Corner(const Standard_Integer I) const |
320 | { |
321 | return c[I]; |
322 | } |
323 | |
324 | //======================================================================= |
325 | //function : Func |
326 | //purpose : |
327 | //======================================================================= |
328 | |
329 | const Handle(Law_Function)& GeomFill_CoonsAlgPatch::Func |
330 | (const Standard_Integer I)const |
331 | { |
332 | return a[I]; |
333 | } |