b311480e |
1 | // Created on: 1993-03-09 |
2 | // Created by: JCV |
3 | // Copyright (c) 1993-1999 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. |
7fd59977 |
13 | // |
973c2be1 |
14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
b311480e |
16 | |
7fd59977 |
17 | // xab : 30-Mar-95 introduced cache mechanism for surfaces |
18 | // xab : 21-Jun-95 in remove knots sync size of weights and poles |
19 | // pmn : 28-Jun-96 Distinction entre la continuite en U et V (bug PRO4625) |
20 | // pmn : 07-Jan-97 Centralisation des verif rational (PRO6834) |
21 | // et ajout des InvalideCache() dans les SetPole* (PRO6833) |
22 | // pmn : 03-Feb-97 Prise en compte de la periode dans Locate(U/V) (PRO6963) |
23 | // + bon appel a LocateParameter (PRO6973). |
24 | // RBD : 15/10/98 ; Le cache est desormais defini sur [-1,1] (pro15537). |
7fd59977 |
25 | |
26 | #define No_Standard_OutOfRange |
27 | #define No_Standard_DimensionError |
28 | |
7fd59977 |
29 | |
7fd59977 |
30 | #include <BSplCLib.hxx> |
42cf5bc1 |
31 | #include <BSplSLib.hxx> |
7fd59977 |
32 | #include <Geom_BSplineCurve.hxx> |
42cf5bc1 |
33 | #include <Geom_BSplineSurface.hxx> |
34 | #include <Geom_Curve.hxx> |
35 | #include <Geom_Geometry.hxx> |
7fd59977 |
36 | #include <Geom_UndefinedDerivative.hxx> |
42cf5bc1 |
37 | #include <gp.hxx> |
38 | #include <gp_Pnt.hxx> |
39 | #include <gp_Trsf.hxx> |
40 | #include <gp_Vec.hxx> |
41 | #include <Precision.hxx> |
7fd59977 |
42 | #include <Standard_ConstructionError.hxx> |
42cf5bc1 |
43 | #include <Standard_DimensionError.hxx> |
44 | #include <Standard_DomainError.hxx> |
83ada95b |
45 | #include <Standard_Mutex.hxx> |
42cf5bc1 |
46 | #include <Standard_NoSuchObject.hxx> |
47 | #include <Standard_NotImplemented.hxx> |
48 | #include <Standard_OutOfRange.hxx> |
49 | #include <Standard_RangeError.hxx> |
50 | #include <TColgp_Array1OfXYZ.hxx> |
7fd59977 |
51 | |
52 | #define POLES (poles->Array2()) |
53 | #define WEIGHTS (weights->Array2()) |
54 | #define UKNOTS (uknots->Array1()) |
55 | #define VKNOTS (vknots->Array1()) |
56 | #define UFKNOTS (ufknots->Array1()) |
57 | #define VFKNOTS (vfknots->Array1()) |
58 | #define FMULTS (BSplCLib::NoMults()) |
59 | |
60 | //======================================================================= |
61 | //function : IsCNu |
62 | //purpose : |
63 | //======================================================================= |
64 | |
65 | Standard_Boolean Geom_BSplineSurface::IsCNu |
66 | (const Standard_Integer N) const |
67 | { |
68 | Standard_RangeError_Raise_if (N < 0, " "); |
69 | switch (Usmooth) { |
70 | case GeomAbs_CN : return Standard_True; |
71 | case GeomAbs_C0 : return N <= 0; |
72 | case GeomAbs_G1 : return N <= 0; |
73 | case GeomAbs_C1 : return N <= 1; |
74 | case GeomAbs_G2 : return N <= 1; |
75 | case GeomAbs_C2 : return N <= 2; |
76 | case GeomAbs_C3 : |
77 | return N <= 3 ? Standard_True : |
78 | N <= udeg - BSplCLib::MaxKnotMult (umults->Array1(), umults->Lower() + 1, umults->Upper() - 1); |
79 | default: |
80 | return Standard_False; |
81 | } |
82 | } |
83 | |
84 | //======================================================================= |
85 | //function : IsCNv |
86 | //purpose : |
87 | //======================================================================= |
88 | |
89 | Standard_Boolean Geom_BSplineSurface::IsCNv |
90 | (const Standard_Integer N) const |
91 | { |
92 | Standard_RangeError_Raise_if (N < 0, " "); |
93 | |
94 | switch (Vsmooth) { |
95 | case GeomAbs_CN : return Standard_True; |
96 | case GeomAbs_C0 : return N <= 0; |
97 | case GeomAbs_G1 : return N <= 0; |
98 | case GeomAbs_C1 : return N <= 1; |
99 | case GeomAbs_G2 : return N <= 1; |
100 | case GeomAbs_C2 : return N <= 2; |
101 | case GeomAbs_C3 : |
102 | return N <= 3 ? Standard_True : |
103 | N <= vdeg - BSplCLib::MaxKnotMult (vmults->Array1(), vmults->Lower() + 1, vmults->Upper() - 1); |
104 | default: |
105 | return Standard_False; |
106 | } |
107 | } |
108 | |
109 | //======================================================================= |
110 | //function : D0 |
111 | //purpose : |
112 | //======================================================================= |
113 | |
83ada95b |
114 | void Geom_BSplineSurface::D0(const Standard_Real U, |
115 | const Standard_Real V, |
94f71cad |
116 | gp_Pnt& P) const |
7fd59977 |
117 | { |
94f71cad |
118 | Standard_Real aNewU = U; |
119 | Standard_Real aNewV = V; |
120 | PeriodicNormalization(aNewU, aNewV); |
121 | |
0e14656b |
122 | BSplSLib::D0(aNewU,aNewV,0,0,POLES,&WEIGHTS,UFKNOTS,VFKNOTS,FMULTS,FMULTS, |
94f71cad |
123 | udeg,vdeg,urational,vrational,uperiodic,vperiodic, |
124 | P); |
7fd59977 |
125 | } |
126 | |
127 | //======================================================================= |
128 | //function : D1 |
129 | //purpose : |
130 | //======================================================================= |
131 | |
83ada95b |
132 | void Geom_BSplineSurface::D1(const Standard_Real U, |
133 | const Standard_Real V, |
94f71cad |
134 | gp_Pnt& P, |
135 | gp_Vec& D1U, |
136 | gp_Vec& D1V) const |
7fd59977 |
137 | { |
94f71cad |
138 | Standard_Real aNewU = U; |
139 | Standard_Real aNewV = V; |
140 | PeriodicNormalization(aNewU, aNewV); |
83ada95b |
141 | |
94f71cad |
142 | Standard_Integer uindex = 0, vindex = 0; |
83ada95b |
143 | |
0e14656b |
144 | BSplCLib::LocateParameter(udeg, uknots->Array1(), &umults->Array1(), U, uperiodic, uindex, aNewU); |
94f71cad |
145 | uindex = BSplCLib::FlatIndex(udeg, uindex, umults->Array1(), uperiodic); |
7fd59977 |
146 | |
0e14656b |
147 | BSplCLib::LocateParameter(vdeg, vknots->Array1(), &vmults->Array1(), V, vperiodic, vindex, aNewV); |
94f71cad |
148 | vindex = BSplCLib::FlatIndex(vdeg, vindex, vmults->Array1(), vperiodic); |
7fd59977 |
149 | |
0e14656b |
150 | BSplSLib::D1(aNewU,aNewV,uindex,vindex,POLES,&WEIGHTS,UFKNOTS,VFKNOTS,FMULTS,FMULTS, |
94f71cad |
151 | udeg,vdeg,urational,vrational,uperiodic,vperiodic, |
152 | P, D1U, D1V); |
7fd59977 |
153 | } |
154 | |
155 | //======================================================================= |
156 | //function : D2 |
157 | //purpose : |
158 | //======================================================================= |
159 | |
160 | void Geom_BSplineSurface::D2 (const Standard_Real U, |
94f71cad |
161 | const Standard_Real V, |
162 | gp_Pnt& P, |
163 | gp_Vec& D1U, |
164 | gp_Vec& D1V, |
165 | gp_Vec& D2U, |
166 | gp_Vec& D2V, |
167 | gp_Vec& D2UV) const |
7fd59977 |
168 | { |
94f71cad |
169 | Standard_Real aNewU = U; |
170 | Standard_Real aNewV = V; |
171 | PeriodicNormalization(aNewU, aNewV); |
172 | |
173 | Standard_Integer uindex = 0, vindex = 0; |
174 | |
0e14656b |
175 | BSplCLib::LocateParameter(udeg, uknots->Array1(), &umults->Array1(), U, uperiodic, uindex, aNewU); |
94f71cad |
176 | uindex = BSplCLib::FlatIndex(udeg, uindex, umults->Array1(), uperiodic); |
177 | |
0e14656b |
178 | BSplCLib::LocateParameter(vdeg, vknots->Array1(), &vmults->Array1(), V, vperiodic, vindex, aNewV); |
94f71cad |
179 | vindex = BSplCLib::FlatIndex(vdeg, vindex, vmults->Array1(), vperiodic); |
180 | |
0e14656b |
181 | BSplSLib::D2(aNewU,aNewV,uindex,vindex,POLES,&WEIGHTS,UFKNOTS,VFKNOTS,FMULTS,FMULTS, |
94f71cad |
182 | udeg,vdeg,urational,vrational,uperiodic,vperiodic, |
183 | P, D1U, D1V, D2U, D2V, D2UV); |
184 | } |
7fd59977 |
185 | |
186 | //======================================================================= |
187 | //function : D3 |
188 | //purpose : |
189 | //======================================================================= |
190 | |
191 | void Geom_BSplineSurface::D3 (const Standard_Real U, |
192 | const Standard_Real V, |
193 | gp_Pnt& P, |
194 | gp_Vec& D1U, |
195 | gp_Vec& D1V, |
196 | gp_Vec& D2U, |
197 | gp_Vec& D2V, |
198 | gp_Vec& D2UV, |
199 | gp_Vec& D3U, |
200 | gp_Vec& D3V, |
201 | gp_Vec& D3UUV, |
202 | gp_Vec& D3UVV) const |
203 | { |
0e14656b |
204 | BSplSLib::D3(U,V,0,0,POLES,&WEIGHTS,UFKNOTS,VFKNOTS,FMULTS,FMULTS, |
7fd59977 |
205 | udeg,vdeg,urational,vrational,uperiodic,vperiodic, |
206 | P,D1U,D1V,D2U,D2V,D2UV,D3U,D3V,D3UUV,D3UVV); |
207 | } |
208 | |
209 | //======================================================================= |
210 | //function : DN |
211 | //purpose : |
212 | //======================================================================= |
213 | |
214 | gp_Vec Geom_BSplineSurface::DN (const Standard_Real U, |
215 | const Standard_Real V, |
216 | const Standard_Integer Nu, |
217 | const Standard_Integer Nv ) const |
218 | { |
219 | gp_Vec Vn; |
0e14656b |
220 | BSplSLib::DN(U,V,Nu,Nv,0,0,POLES,&WEIGHTS,UFKNOTS,VFKNOTS,FMULTS,FMULTS, |
7fd59977 |
221 | udeg,vdeg,urational,vrational,uperiodic,vperiodic, |
222 | Vn); |
223 | return Vn; |
224 | } |
225 | |
226 | //======================================================================= |
227 | //function : LocalValue |
228 | //purpose : |
229 | //======================================================================= |
230 | |
231 | gp_Pnt Geom_BSplineSurface::LocalValue (const Standard_Real U, |
232 | const Standard_Real V, |
233 | const Standard_Integer FromUK1, |
234 | const Standard_Integer ToUK2, |
235 | const Standard_Integer FromVK1, |
236 | const Standard_Integer ToVK2) const |
237 | { |
238 | gp_Pnt P; |
239 | LocalD0(U,V,FromUK1,ToUK2,FromVK1,ToVK2,P); |
240 | return P; |
241 | } |
242 | |
243 | //======================================================================= |
244 | //function : LocalD0 |
245 | //purpose : |
246 | //======================================================================= |
247 | |
248 | void Geom_BSplineSurface::LocalD0 (const Standard_Real U, |
249 | const Standard_Real V, |
250 | const Standard_Integer FromUK1, |
251 | const Standard_Integer ToUK2, |
252 | const Standard_Integer FromVK1, |
253 | const Standard_Integer ToVK2, |
254 | gp_Pnt& P ) const |
255 | { |
256 | Standard_DomainError_Raise_if (FromUK1 == ToUK2 || FromVK1 == ToVK2, |
257 | "Geom_BSplineSurface::LocalD0"); |
258 | |
259 | Standard_Real u = U, v = V; |
260 | Standard_Integer uindex = 0, vindex = 0; |
261 | |
262 | BSplCLib::LocateParameter(udeg, UFKNOTS, U, uperiodic,FromUK1,ToUK2, |
263 | uindex,u); |
264 | uindex = BSplCLib::FlatIndex(udeg,uindex,umults->Array1(),uperiodic); |
265 | |
266 | BSplCLib::LocateParameter(vdeg, VFKNOTS, V, vperiodic,FromVK1,ToVK2, |
267 | vindex,v); |
268 | vindex = BSplCLib::FlatIndex(vdeg,vindex,vmults->Array1(),vperiodic); |
269 | |
270 | // BSplSLib::D0(U,V,uindex,vindex,POLES,WEIGHTS,UFKNOTS,VFKNOTS,FMULTS,FMULTS, |
0e14656b |
271 | BSplSLib::D0(u,v,uindex,vindex,POLES,&WEIGHTS,UFKNOTS,VFKNOTS,FMULTS,FMULTS, |
7fd59977 |
272 | udeg,vdeg,urational,vrational,uperiodic,vperiodic, |
273 | P); |
274 | } |
275 | |
276 | //======================================================================= |
277 | //function : LocalD1 |
278 | //purpose : |
279 | //======================================================================= |
280 | |
281 | void Geom_BSplineSurface::LocalD1 (const Standard_Real U, |
282 | const Standard_Real V, |
283 | const Standard_Integer FromUK1, |
284 | const Standard_Integer ToUK2, |
285 | const Standard_Integer FromVK1, |
286 | const Standard_Integer ToVK2, |
287 | gp_Pnt& P, |
288 | gp_Vec& D1U, |
289 | gp_Vec& D1V) const |
290 | { |
291 | Standard_DomainError_Raise_if (FromUK1 == ToUK2 || FromVK1 == ToVK2, |
292 | "Geom_BSplineSurface::LocalD1"); |
293 | |
294 | Standard_Real u = U, v = V; |
295 | Standard_Integer uindex = 0, vindex = 0; |
296 | |
297 | BSplCLib::LocateParameter(udeg, UFKNOTS, U, uperiodic,FromUK1,ToUK2, |
298 | uindex,u); |
299 | uindex = BSplCLib::FlatIndex(udeg,uindex,umults->Array1(),uperiodic); |
300 | |
301 | BSplCLib::LocateParameter(vdeg, VFKNOTS, V, vperiodic,FromVK1,ToVK2, |
302 | vindex,v); |
303 | vindex = BSplCLib::FlatIndex(vdeg,vindex,vmults->Array1(),vperiodic); |
304 | |
0e14656b |
305 | BSplSLib::D1(u,v,uindex,vindex,POLES,&WEIGHTS,UFKNOTS,VFKNOTS,FMULTS,FMULTS, |
7fd59977 |
306 | udeg,vdeg,urational,vrational,uperiodic,vperiodic, |
307 | P,D1U,D1V); |
308 | } |
309 | |
310 | //======================================================================= |
311 | //function : LocalD2 |
312 | //purpose : |
313 | //======================================================================= |
314 | |
315 | void Geom_BSplineSurface::LocalD2 (const Standard_Real U, |
316 | const Standard_Real V, |
317 | const Standard_Integer FromUK1, |
318 | const Standard_Integer ToUK2, |
319 | const Standard_Integer FromVK1, |
320 | const Standard_Integer ToVK2, |
321 | gp_Pnt& P, |
322 | gp_Vec& D1U, |
323 | gp_Vec& D1V, |
324 | gp_Vec& D2U, |
325 | gp_Vec& D2V, |
326 | gp_Vec& D2UV) const |
327 | { |
328 | Standard_DomainError_Raise_if (FromUK1 == ToUK2 || FromVK1 == ToVK2, |
329 | "Geom_BSplineSurface::LocalD2"); |
330 | |
331 | Standard_Real u = U, v = V; |
332 | Standard_Integer uindex = 0, vindex = 0; |
333 | |
334 | BSplCLib::LocateParameter(udeg, UFKNOTS, U, uperiodic,FromUK1,ToUK2, |
335 | uindex,u); |
336 | uindex = BSplCLib::FlatIndex(udeg,uindex,umults->Array1(),uperiodic); |
337 | |
338 | BSplCLib::LocateParameter(vdeg, VFKNOTS, V, vperiodic,FromVK1,ToVK2, |
339 | vindex,v); |
340 | vindex = BSplCLib::FlatIndex(vdeg,vindex,vmults->Array1(),vperiodic); |
341 | |
0e14656b |
342 | BSplSLib::D2(u,v,uindex,vindex,POLES,&WEIGHTS,UFKNOTS,VFKNOTS,FMULTS,FMULTS, |
7fd59977 |
343 | udeg,vdeg,urational,vrational,uperiodic,vperiodic, |
344 | P,D1U,D1V,D2U,D2V,D2UV); |
345 | } |
346 | |
347 | //======================================================================= |
348 | //function : LocalD3 |
349 | //purpose : |
350 | //======================================================================= |
351 | |
352 | void Geom_BSplineSurface::LocalD3 (const Standard_Real U, |
353 | const Standard_Real V, |
354 | const Standard_Integer FromUK1, |
355 | const Standard_Integer ToUK2, |
356 | const Standard_Integer FromVK1, |
357 | const Standard_Integer ToVK2, |
358 | gp_Pnt& P, |
359 | gp_Vec& D1U, |
360 | gp_Vec& D1V, |
361 | gp_Vec& D2U, |
362 | gp_Vec& D2V, |
363 | gp_Vec& D2UV, |
364 | gp_Vec& D3U, |
365 | gp_Vec& D3V, |
366 | gp_Vec& D3UUV, |
367 | gp_Vec& D3UVV) const |
368 | { |
369 | Standard_DomainError_Raise_if (FromUK1 == ToUK2 || FromVK1 == ToVK2, |
370 | "Geom_BSplineSurface::LocalD3"); |
371 | |
372 | Standard_Real u = U, v = V; |
373 | Standard_Integer uindex = 0, vindex = 0; |
374 | |
375 | BSplCLib::LocateParameter(udeg, UFKNOTS, U, uperiodic,FromUK1,ToUK2, |
376 | uindex,u); |
377 | uindex = BSplCLib::FlatIndex(udeg,uindex,umults->Array1(),uperiodic); |
378 | |
379 | BSplCLib::LocateParameter(vdeg, VFKNOTS, V, vperiodic,FromVK1,ToVK2, |
380 | vindex,v); |
381 | vindex = BSplCLib::FlatIndex(vdeg,vindex,vmults->Array1(),vperiodic); |
382 | |
0e14656b |
383 | BSplSLib::D3(u,v,uindex,vindex,POLES,&WEIGHTS,UFKNOTS,VFKNOTS,FMULTS,FMULTS, |
7fd59977 |
384 | udeg,vdeg,urational,vrational,uperiodic,vperiodic, |
385 | P,D1U,D1V,D2U,D2V,D2UV,D3U,D3V,D3UUV,D3UVV); |
386 | } |
387 | |
388 | //======================================================================= |
389 | //function : LocalDN |
390 | //purpose : |
391 | //======================================================================= |
392 | |
393 | gp_Vec Geom_BSplineSurface::LocalDN (const Standard_Real U, |
394 | const Standard_Real V, |
395 | const Standard_Integer FromUK1, |
396 | const Standard_Integer ToUK2, |
397 | const Standard_Integer FromVK1, |
398 | const Standard_Integer ToVK2, |
399 | const Standard_Integer Nu, |
400 | const Standard_Integer Nv) const |
401 | { |
402 | Standard_DomainError_Raise_if (FromUK1 == ToUK2 || FromVK1 == ToVK2, |
403 | "Geom_BSplineSurface::LocalDN"); |
404 | |
405 | Standard_Real u = U, v = V; |
406 | Standard_Integer uindex = 0, vindex = 0; |
407 | |
408 | BSplCLib::LocateParameter(udeg, UFKNOTS, U, uperiodic,FromUK1,ToUK2, |
409 | uindex,u); |
410 | uindex = BSplCLib::FlatIndex(udeg,uindex,umults->Array1(),uperiodic); |
411 | |
412 | BSplCLib::LocateParameter(vdeg, VFKNOTS, V, vperiodic,FromVK1,ToVK2, |
413 | vindex,v); |
414 | vindex = BSplCLib::FlatIndex(vdeg,vindex,vmults->Array1(),vperiodic); |
415 | |
416 | gp_Vec Vn; |
417 | BSplSLib::DN(u,v,Nu,Nv,uindex,vindex, |
0e14656b |
418 | POLES,&WEIGHTS,UFKNOTS,VFKNOTS,FMULTS,FMULTS, |
7fd59977 |
419 | udeg,vdeg,urational,vrational,uperiodic,vperiodic, |
420 | Vn); |
421 | return Vn; |
422 | } |
423 | |
424 | //======================================================================= |
425 | //function : Pole |
426 | //purpose : |
427 | //======================================================================= |
428 | |
81093856 |
429 | const gp_Pnt& Geom_BSplineSurface::Pole(const Standard_Integer UIndex, |
7fd59977 |
430 | const Standard_Integer VIndex) const |
431 | { |
432 | Standard_OutOfRange_Raise_if |
433 | (UIndex < 1 || UIndex > poles->ColLength() || |
434 | VIndex < 1 || VIndex > poles->RowLength(), " "); |
435 | return poles->Value (UIndex, VIndex); |
436 | } |
437 | |
438 | //======================================================================= |
439 | //function : Poles |
440 | //purpose : |
441 | //======================================================================= |
442 | |
443 | void Geom_BSplineSurface::Poles (TColgp_Array2OfPnt& P) const |
444 | { |
445 | Standard_DimensionError_Raise_if |
446 | (P.ColLength() != poles->ColLength() || |
447 | P.RowLength() != poles->RowLength(), " "); |
448 | P = poles->Array2(); |
449 | } |
450 | |
94f71cad |
451 | const TColgp_Array2OfPnt& Geom_BSplineSurface::Poles() const |
452 | { |
453 | return poles->Array2(); |
454 | } |
455 | |
7fd59977 |
456 | //======================================================================= |
457 | //function : UIso |
458 | //purpose : |
459 | //======================================================================= |
460 | |
461 | Handle(Geom_Curve) Geom_BSplineSurface::UIso (const Standard_Real U) const |
462 | { |
463 | TColgp_Array1OfPnt cpoles(1,poles->RowLength()); |
464 | TColStd_Array1OfReal cweights(1,poles->RowLength()); |
465 | |
466 | Handle(Geom_BSplineCurve) C; |
467 | |
468 | if ( urational || vrational) { |
0e14656b |
469 | BSplSLib::Iso(U,Standard_True,POLES,&WEIGHTS,UFKNOTS,FMULTS,udeg,uperiodic, |
470 | cpoles,&cweights); |
7fd59977 |
471 | C = new Geom_BSplineCurve(cpoles,cweights, |
472 | vknots->Array1(), |
473 | vmults->Array1(), |
474 | vdeg,vperiodic); |
475 | } |
476 | else { |
477 | BSplSLib::Iso(U,Standard_True,POLES, |
0e14656b |
478 | BSplSLib::NoWeights(), |
7fd59977 |
479 | UFKNOTS,FMULTS,udeg,uperiodic, |
0e14656b |
480 | cpoles,&cweights); |
7fd59977 |
481 | C = new Geom_BSplineCurve(cpoles, |
482 | vknots->Array1(), |
483 | vmults->Array1(), |
484 | vdeg,vperiodic); |
485 | } |
486 | |
487 | return C; |
488 | } |
489 | |
490 | //======================================================================= |
491 | //function : UIso |
492 | //purpose : If CheckRational=False, no try to make it non-rational |
493 | //======================================================================= |
494 | |
495 | Handle(Geom_Curve) Geom_BSplineSurface::UIso (const Standard_Real U, |
496 | const Standard_Boolean CheckRational) const |
497 | { |
498 | TColgp_Array1OfPnt cpoles(1,poles->RowLength()); |
499 | TColStd_Array1OfReal cweights(1,poles->RowLength()); |
500 | |
501 | Handle(Geom_BSplineCurve) C; |
502 | |
503 | if ( urational || vrational) { |
0e14656b |
504 | BSplSLib::Iso(U,Standard_True,POLES,&WEIGHTS,UFKNOTS,FMULTS,udeg,uperiodic, |
505 | cpoles,&cweights); |
7fd59977 |
506 | C = new Geom_BSplineCurve(cpoles,cweights, |
507 | vknots->Array1(), |
508 | vmults->Array1(), |
509 | vdeg,vperiodic, |
510 | CheckRational); |
511 | } |
512 | else { |
513 | BSplSLib::Iso(U,Standard_True,POLES, |
0e14656b |
514 | BSplSLib::NoWeights(), |
7fd59977 |
515 | UFKNOTS,FMULTS,udeg,uperiodic, |
0e14656b |
516 | cpoles,&cweights); |
7fd59977 |
517 | C = new Geom_BSplineCurve(cpoles, |
518 | vknots->Array1(), |
519 | vmults->Array1(), |
520 | vdeg,vperiodic); |
521 | } |
522 | |
523 | return C; |
524 | } |
525 | |
526 | //======================================================================= |
527 | //function : UKnot |
528 | //purpose : |
529 | //======================================================================= |
530 | |
531 | Standard_Real Geom_BSplineSurface::UKnot(const Standard_Integer UIndex) const |
532 | { |
533 | Standard_OutOfRange_Raise_if (UIndex < 1 || UIndex > uknots->Length(), " "); |
534 | return uknots->Value (UIndex); |
535 | } |
536 | |
537 | //======================================================================= |
538 | //function : VKnot |
539 | //purpose : |
540 | //======================================================================= |
541 | |
542 | Standard_Real Geom_BSplineSurface::VKnot(const Standard_Integer VIndex) const |
543 | { |
544 | Standard_OutOfRange_Raise_if (VIndex < 1 || VIndex > vknots->Length(), " "); |
545 | return vknots->Value (VIndex); |
546 | } |
547 | |
548 | //======================================================================= |
549 | //function : UKnots |
550 | //purpose : |
551 | //======================================================================= |
552 | |
553 | void Geom_BSplineSurface::UKnots (TColStd_Array1OfReal& Ku) const |
554 | { |
555 | Standard_DimensionError_Raise_if (Ku.Length() != uknots->Length(), " "); |
556 | Ku = uknots->Array1(); |
557 | } |
558 | |
94f71cad |
559 | const TColStd_Array1OfReal& Geom_BSplineSurface::UKnots() const |
560 | { |
561 | return uknots->Array1(); |
562 | } |
563 | |
7fd59977 |
564 | //======================================================================= |
565 | //function : VKnots |
566 | //purpose : |
567 | //======================================================================= |
568 | |
569 | void Geom_BSplineSurface::VKnots (TColStd_Array1OfReal& Kv) const |
570 | { |
571 | Standard_DimensionError_Raise_if (Kv.Length() != vknots->Length(), " "); |
572 | Kv = vknots->Array1(); |
573 | } |
574 | |
94f71cad |
575 | const TColStd_Array1OfReal& Geom_BSplineSurface::VKnots() const |
576 | { |
577 | return vknots->Array1(); |
578 | } |
579 | |
7fd59977 |
580 | //======================================================================= |
581 | //function : UKnotSequence |
582 | //purpose : |
583 | //======================================================================= |
584 | |
585 | void Geom_BSplineSurface::UKnotSequence (TColStd_Array1OfReal& Ku) const |
586 | { |
587 | Standard_DimensionError_Raise_if (Ku.Length() != ufknots->Length(), " "); |
588 | Ku = ufknots->Array1(); |
589 | } |
590 | |
94f71cad |
591 | const TColStd_Array1OfReal& Geom_BSplineSurface::UKnotSequence() const |
592 | { |
593 | return ufknots->Array1(); |
594 | } |
595 | |
7fd59977 |
596 | //======================================================================= |
597 | //function : VKnotSequence |
598 | //purpose : |
599 | //======================================================================= |
600 | |
601 | void Geom_BSplineSurface::VKnotSequence (TColStd_Array1OfReal& Kv) const |
602 | { |
603 | Standard_DimensionError_Raise_if (Kv.Length() != vfknots->Length(), " "); |
604 | Kv = vfknots->Array1(); |
605 | } |
606 | |
94f71cad |
607 | const TColStd_Array1OfReal& Geom_BSplineSurface::VKnotSequence() const |
608 | { |
609 | return vfknots->Array1(); |
610 | } |
611 | |
7fd59977 |
612 | //======================================================================= |
613 | //function : UMultiplicity |
614 | //purpose : |
615 | //======================================================================= |
616 | |
617 | Standard_Integer Geom_BSplineSurface::UMultiplicity |
618 | (const Standard_Integer UIndex) const |
619 | { |
620 | Standard_OutOfRange_Raise_if (UIndex < 1 || UIndex > umults->Length()," "); |
621 | return umults->Value (UIndex); |
622 | } |
623 | |
624 | //======================================================================= |
625 | //function : UMultiplicities |
626 | //purpose : |
627 | //======================================================================= |
628 | |
629 | void Geom_BSplineSurface::UMultiplicities (TColStd_Array1OfInteger& Mu) const |
630 | { |
631 | Standard_DimensionError_Raise_if (Mu.Length() != umults->Length(), " "); |
632 | Mu = umults->Array1(); |
633 | } |
634 | |
94f71cad |
635 | const TColStd_Array1OfInteger& Geom_BSplineSurface::UMultiplicities() const |
636 | { |
637 | return umults->Array1(); |
638 | } |
639 | |
7fd59977 |
640 | //======================================================================= |
641 | //function : VIso |
642 | //purpose : |
643 | //======================================================================= |
644 | |
645 | Handle(Geom_Curve) Geom_BSplineSurface::VIso (const Standard_Real V) const |
646 | { |
647 | TColgp_Array1OfPnt cpoles(1,poles->ColLength()); |
648 | TColStd_Array1OfReal cweights(1,poles->ColLength()); |
649 | |
650 | Handle(Geom_BSplineCurve) C; |
651 | |
652 | if ( urational || vrational) { |
653 | BSplSLib::Iso(V,Standard_False,POLES, |
0e14656b |
654 | &WEIGHTS, |
7fd59977 |
655 | VFKNOTS,FMULTS,vdeg,vperiodic, |
0e14656b |
656 | cpoles,&cweights); |
7fd59977 |
657 | C = new Geom_BSplineCurve(cpoles,cweights, |
658 | uknots->Array1(), |
659 | umults->Array1(), |
660 | udeg,uperiodic); |
661 | } |
662 | else { |
663 | BSplSLib::Iso(V,Standard_False,POLES, |
0e14656b |
664 | BSplSLib::NoWeights(), |
7fd59977 |
665 | VFKNOTS,FMULTS,vdeg,vperiodic, |
0e14656b |
666 | cpoles,&cweights); |
7fd59977 |
667 | C = new Geom_BSplineCurve(cpoles, |
668 | uknots->Array1(), |
669 | umults->Array1(), |
670 | udeg,uperiodic); |
671 | } |
672 | |
673 | return C; |
674 | } |
675 | |
676 | //======================================================================= |
677 | //function : VIso |
678 | //purpose : If CheckRational=False, no try to make it non-rational |
679 | //======================================================================= |
680 | |
681 | Handle(Geom_Curve) Geom_BSplineSurface::VIso (const Standard_Real V, |
682 | const Standard_Boolean CheckRational) const |
683 | { |
684 | TColgp_Array1OfPnt cpoles(1,poles->ColLength()); |
685 | TColStd_Array1OfReal cweights(1,poles->ColLength()); |
686 | |
687 | Handle(Geom_BSplineCurve) C; |
688 | |
689 | if ( urational || vrational) { |
690 | BSplSLib::Iso(V,Standard_False,POLES, |
0e14656b |
691 | &WEIGHTS, |
7fd59977 |
692 | VFKNOTS,FMULTS,vdeg,vperiodic, |
0e14656b |
693 | cpoles,&cweights); |
7fd59977 |
694 | C = new Geom_BSplineCurve(cpoles,cweights, |
695 | uknots->Array1(), |
696 | umults->Array1(), |
697 | udeg,uperiodic, |
698 | CheckRational); |
699 | } |
700 | else { |
701 | BSplSLib::Iso(V,Standard_False,POLES, |
0e14656b |
702 | BSplSLib::NoWeights(), |
7fd59977 |
703 | VFKNOTS,FMULTS,vdeg,vperiodic, |
0e14656b |
704 | cpoles,&cweights); |
7fd59977 |
705 | C = new Geom_BSplineCurve(cpoles, |
706 | uknots->Array1(), |
707 | umults->Array1(), |
708 | udeg,uperiodic); |
709 | } |
710 | |
711 | return C; |
712 | } |
713 | |
714 | //======================================================================= |
715 | //function : VMultiplicity |
716 | //purpose : |
717 | //======================================================================= |
718 | |
719 | Standard_Integer Geom_BSplineSurface::VMultiplicity |
720 | (const Standard_Integer VIndex) const |
721 | { |
722 | Standard_OutOfRange_Raise_if (VIndex < 1 || VIndex > vmults->Length()," "); |
723 | return vmults->Value (VIndex); |
724 | } |
725 | |
726 | //======================================================================= |
727 | //function : VMultiplicities |
728 | //purpose : |
729 | //======================================================================= |
730 | |
731 | void Geom_BSplineSurface::VMultiplicities (TColStd_Array1OfInteger& Mv) const |
732 | { |
733 | Standard_DimensionError_Raise_if (Mv.Length() != vmults->Length(), " "); |
734 | Mv = vmults->Array1(); |
735 | } |
736 | |
94f71cad |
737 | const TColStd_Array1OfInteger& Geom_BSplineSurface::VMultiplicities() const |
738 | { |
739 | return vmults->Array1(); |
740 | } |
741 | |
7fd59977 |
742 | //======================================================================= |
743 | //function : Weight |
744 | //purpose : |
745 | //======================================================================= |
746 | |
747 | Standard_Real Geom_BSplineSurface::Weight |
748 | (const Standard_Integer UIndex, |
749 | const Standard_Integer VIndex ) const |
750 | { |
751 | Standard_OutOfRange_Raise_if |
752 | (UIndex < 1 || UIndex > weights->ColLength() || |
753 | VIndex < 1 || VIndex > weights->RowLength(), " "); |
754 | return weights->Value (UIndex, VIndex); |
755 | } |
756 | |
757 | //======================================================================= |
758 | //function : Weights |
759 | //purpose : |
760 | //======================================================================= |
761 | |
762 | void Geom_BSplineSurface::Weights (TColStd_Array2OfReal& W) const |
763 | { |
764 | Standard_DimensionError_Raise_if |
765 | (W.ColLength() != weights->ColLength() || |
766 | W.RowLength() != weights->RowLength(), " "); |
767 | W = weights->Array2(); |
768 | } |
769 | |
0e14656b |
770 | const TColStd_Array2OfReal* Geom_BSplineSurface::Weights() const |
94f71cad |
771 | { |
772 | if (urational || vrational) |
0e14656b |
773 | return &weights->Array2(); |
94f71cad |
774 | return BSplSLib::NoWeights(); |
775 | } |
776 | |
7fd59977 |
777 | //======================================================================= |
778 | //function : Transform |
779 | //purpose : |
780 | //======================================================================= |
781 | |
782 | void Geom_BSplineSurface::Transform (const gp_Trsf& T) |
783 | { |
784 | TColgp_Array2OfPnt & VPoles = poles->ChangeArray2(); |
785 | for (Standard_Integer j = VPoles.LowerCol(); j <= VPoles.UpperCol(); j++) { |
786 | for (Standard_Integer i = VPoles.LowerRow(); i <= VPoles.UpperRow(); i++) { |
787 | VPoles (i, j).Transform (T); |
788 | } |
789 | } |
7fd59977 |
790 | } |
791 | |
792 | //======================================================================= |
793 | //function : SetUPeriodic |
794 | //purpose : |
795 | //======================================================================= |
796 | |
797 | void Geom_BSplineSurface::SetUPeriodic () |
798 | { |
799 | Standard_Integer i,j; |
800 | |
801 | Standard_Integer first = FirstUKnotIndex(); |
802 | Standard_Integer last = LastUKnotIndex(); |
803 | |
804 | Handle(TColStd_HArray1OfReal) tk = uknots; |
805 | TColStd_Array1OfReal cknots((uknots->Array1())(first),first,last); |
806 | uknots = new TColStd_HArray1OfReal(1,cknots.Length()); |
807 | uknots->ChangeArray1() = cknots; |
808 | |
809 | Handle(TColStd_HArray1OfInteger) tm = umults; |
810 | TColStd_Array1OfInteger cmults((umults->Array1())(first),first,last); |
811 | // Modified by Sergey KHROMOV - Mon Feb 10 10:59:00 2003 Begin |
812 | // cmults(first) = cmults(last) = Max( cmults(first), cmults(last)); |
813 | cmults(first) = cmults(last) = Min(udeg, Max( cmults(first), cmults(last))); |
814 | // Modified by Sergey KHROMOV - Mon Feb 10 10:59:00 2003 End |
815 | umults = new TColStd_HArray1OfInteger(1,cmults.Length()); |
816 | umults->ChangeArray1() = cmults; |
817 | |
818 | // compute new number of poles; |
819 | Standard_Integer nbp = BSplCLib::NbPoles(udeg,Standard_True,cmults); |
820 | |
821 | TColgp_Array2OfPnt cpoles(1,nbp,poles->LowerCol(),poles->UpperCol()); |
822 | for (i = 1; i <= nbp; i++) { |
823 | for (j = poles->LowerCol(); j <= poles->UpperCol(); j++) { |
824 | cpoles(i,j) = poles->Value(i,j); |
825 | } |
826 | } |
827 | poles = |
828 | new TColgp_HArray2OfPnt(1,nbp,cpoles.LowerCol(),cpoles.UpperCol()); |
829 | poles->ChangeArray2() = cpoles; |
830 | |
831 | TColStd_Array2OfReal |
832 | cweights(1,nbp,weights->LowerCol(),weights->UpperCol()); |
833 | if (urational || vrational) { |
834 | for (i = 1; i <= nbp; i++) { |
835 | for (j = weights->LowerCol(); j <= weights->UpperCol(); j++) { |
836 | cweights(i,j) = weights->Value(i,j); |
837 | } |
838 | } |
839 | } |
840 | else { |
841 | for (i = 1; i <= nbp; i++) { |
842 | for (j = weights->LowerCol(); j <= weights->UpperCol(); j++) { |
843 | cweights(i,j) = 1; |
844 | } |
845 | } |
846 | } |
847 | weights = new |
848 | TColStd_HArray2OfReal(1,nbp,cweights.LowerCol(),cweights.UpperCol()); |
849 | weights->ChangeArray2() = cweights; |
850 | |
851 | |
852 | uperiodic = Standard_True; |
853 | |
854 | maxderivinvok = 0; |
855 | UpdateUKnots(); |
856 | } |
857 | |
858 | //======================================================================= |
859 | //function : SetVPeriodic |
860 | //purpose : |
861 | //======================================================================= |
862 | |
863 | void Geom_BSplineSurface::SetVPeriodic () |
864 | { |
865 | Standard_Integer i,j; |
866 | |
867 | Standard_Integer first = FirstVKnotIndex(); |
868 | Standard_Integer last = LastVKnotIndex(); |
869 | |
870 | Handle(TColStd_HArray1OfReal) tk = vknots; |
871 | TColStd_Array1OfReal cknots((vknots->Array1())(first),first,last); |
872 | vknots = new TColStd_HArray1OfReal(1,cknots.Length()); |
873 | vknots->ChangeArray1() = cknots; |
874 | |
875 | |
876 | Handle(TColStd_HArray1OfInteger) tm = vmults; |
877 | TColStd_Array1OfInteger cmults((vmults->Array1())(first),first,last); |
878 | // Modified by Sergey KHROMOV - Mon Feb 10 11:00:33 2003 Begin |
879 | // cmults(first) = cmults(last) = Max( cmults(first), cmults(last)); |
880 | cmults(first) = cmults(last) = Min(vdeg, Max( cmults(first), cmults(last))); |
881 | // Modified by Sergey KHROMOV - Mon Feb 10 11:00:34 2003 End |
882 | vmults = new TColStd_HArray1OfInteger(1,cmults.Length()); |
883 | vmults->ChangeArray1() = cmults; |
884 | |
885 | // compute new number of poles; |
886 | Standard_Integer nbp = BSplCLib::NbPoles(vdeg,Standard_True,cmults); |
887 | |
888 | TColgp_Array2OfPnt cpoles(poles->LowerRow(),poles->UpperRow(),1,nbp); |
889 | for (i = poles->LowerRow(); i <= poles->UpperRow(); i++) { |
890 | for (j = 1; j <= nbp; j++) { |
891 | cpoles(i,j) = poles->Value(i,j); |
892 | } |
893 | } |
894 | poles = |
895 | new TColgp_HArray2OfPnt(cpoles.LowerRow(),cpoles.UpperRow(),1,nbp); |
896 | poles->ChangeArray2() = cpoles; |
897 | |
898 | if (urational || vrational) { |
899 | TColStd_Array2OfReal |
900 | cweights(weights->LowerRow(),weights->UpperRow(),1,nbp); |
901 | for (i = weights->LowerRow(); i <= weights->UpperRow(); i++) { |
902 | for (j = 1; j <= nbp; j++) { |
903 | cweights(i,j) = weights->Value(i,j); |
904 | } |
905 | } |
906 | weights = new |
907 | TColStd_HArray2OfReal(cweights.LowerRow(),cweights.UpperRow(),1,nbp); |
908 | weights->ChangeArray2() = cweights; |
909 | } |
910 | |
911 | vperiodic = Standard_True; |
912 | |
913 | maxderivinvok = 0; |
914 | UpdateVKnots(); |
915 | } |
916 | |
917 | //======================================================================= |
918 | //function : SetUOrigin |
919 | //purpose : |
920 | //======================================================================= |
921 | |
922 | void Geom_BSplineSurface::SetUOrigin(const Standard_Integer Index) |
923 | { |
369a38aa |
924 | if (!uperiodic) |
925 | Standard_NoSuchObject::Raise("Geom_BSplineSurface::SetUOrigin"); |
7fd59977 |
926 | |
927 | Standard_Integer i,j,k; |
928 | Standard_Integer first = FirstUKnotIndex(); |
929 | Standard_Integer last = LastUKnotIndex(); |
930 | |
369a38aa |
931 | if ((Index < first) || (Index > last)) |
932 | Standard_DomainError::Raise("Geom_BSplineCurve::SetUOrigin"); |
7fd59977 |
933 | |
934 | Standard_Integer nbknots = uknots->Length(); |
935 | Standard_Integer nbpoles = poles->ColLength(); |
936 | |
937 | Handle(TColStd_HArray1OfReal) nknots = |
938 | new TColStd_HArray1OfReal(1,nbknots); |
939 | TColStd_Array1OfReal& newknots = nknots->ChangeArray1(); |
940 | |
941 | Handle(TColStd_HArray1OfInteger) nmults = |
942 | new TColStd_HArray1OfInteger(1,nbknots); |
943 | TColStd_Array1OfInteger& newmults = nmults->ChangeArray1(); |
944 | |
945 | // set the knots and mults |
946 | Standard_Real period = uknots->Value(last) - uknots->Value(first); |
947 | k = 1; |
948 | for ( i = Index; i <= last ; i++) { |
949 | newknots(k) = uknots->Value(i); |
950 | newmults(k) = umults->Value(i); |
951 | k++; |
952 | } |
953 | for ( i = first+1; i <= Index; i++) { |
954 | newknots(k) = uknots->Value(i) + period; |
955 | newmults(k) = umults->Value(i); |
956 | k++; |
957 | } |
958 | |
959 | Standard_Integer index = 1; |
960 | for (i = first+1; i <= Index; i++) |
961 | index += umults->Value(i); |
962 | |
963 | // set the poles and weights |
964 | Standard_Integer nbvp = poles->RowLength(); |
965 | Handle(TColgp_HArray2OfPnt) npoles = |
966 | new TColgp_HArray2OfPnt(1,nbpoles,1,nbvp); |
967 | Handle(TColStd_HArray2OfReal) nweights = |
968 | new TColStd_HArray2OfReal(1,nbpoles,1,nbvp); |
969 | TColgp_Array2OfPnt & newpoles = npoles->ChangeArray2(); |
970 | TColStd_Array2OfReal & newweights = nweights->ChangeArray2(); |
971 | first = poles->LowerRow(); |
972 | last = poles->UpperRow(); |
973 | if ( urational || vrational) { |
974 | k = 1; |
975 | for ( i = index; i <= last; i++) { |
976 | for ( j = 1; j <= nbvp; j++) { |
977 | newpoles(k,j) = poles->Value(i,j); |
978 | newweights(k,j) = weights->Value(i,j); |
979 | } |
980 | k++; |
981 | } |
982 | for ( i = first; i < index; i++) { |
983 | for ( j = 1; j <= nbvp; j++) { |
984 | newpoles(k,j) = poles->Value(i,j); |
985 | newweights(k,j) = weights->Value(i,j); |
986 | } |
987 | k++; |
988 | } |
989 | } |
990 | else { |
991 | k = 1; |
992 | for ( i = index; i <= last; i++) { |
993 | for ( j = 1; j <= nbvp; j++) { |
994 | newpoles(k,j) = poles->Value(i,j); |
995 | } |
996 | k++; |
997 | } |
998 | for ( i = first; i < index; i++) { |
999 | for ( j = 1; j <= nbvp; j++) { |
1000 | newpoles(k,j) = poles->Value(i,j); |
1001 | } |
1002 | k++; |
1003 | } |
1004 | } |
1005 | |
1006 | poles = npoles; |
1007 | uknots = nknots; |
1008 | umults = nmults; |
1009 | if (urational || vrational) |
1010 | weights = nweights; |
1011 | UpdateUKnots(); |
1012 | |
1013 | } |
1014 | |
1015 | //======================================================================= |
1016 | //function : SetVOrigin |
1017 | //purpose : |
1018 | //======================================================================= |
1019 | |
1020 | void Geom_BSplineSurface::SetVOrigin(const Standard_Integer Index) |
1021 | { |
369a38aa |
1022 | if (!vperiodic) |
1023 | Standard_NoSuchObject::Raise("Geom_BSplineSurface::SetVOrigin"); |
7fd59977 |
1024 | |
1025 | Standard_Integer i,j,k; |
1026 | Standard_Integer first = FirstVKnotIndex(); |
1027 | Standard_Integer last = LastVKnotIndex(); |
1028 | |
369a38aa |
1029 | if ((Index < first) || (Index > last)) |
1030 | Standard_DomainError::Raise("Geom_BSplineCurve::SetVOrigin"); |
7fd59977 |
1031 | |
1032 | Standard_Integer nbknots = vknots->Length(); |
1033 | Standard_Integer nbpoles = poles->RowLength(); |
1034 | |
1035 | Handle(TColStd_HArray1OfReal) nknots = |
1036 | new TColStd_HArray1OfReal(1,nbknots); |
1037 | TColStd_Array1OfReal& newknots = nknots->ChangeArray1(); |
1038 | |
1039 | Handle(TColStd_HArray1OfInteger) nmults = |
1040 | new TColStd_HArray1OfInteger(1,nbknots); |
1041 | TColStd_Array1OfInteger& newmults = nmults->ChangeArray1(); |
1042 | |
1043 | // set the knots and mults |
1044 | Standard_Real period = vknots->Value(last) - vknots->Value(first); |
1045 | k = 1; |
1046 | for ( i = Index; i <= last ; i++) { |
1047 | newknots(k) = vknots->Value(i); |
1048 | newmults(k) = vmults->Value(i); |
1049 | k++; |
1050 | } |
1051 | for ( i = first+1; i <= Index; i++) { |
1052 | newknots(k) = vknots->Value(i) + period; |
1053 | newmults(k) = vmults->Value(i); |
1054 | k++; |
1055 | } |
1056 | |
1057 | Standard_Integer index = 1; |
1058 | for (i = first+1; i <= Index; i++) |
1059 | index += vmults->Value(i); |
1060 | |
1061 | // set the poles and weights |
1062 | Standard_Integer nbup = poles->ColLength(); |
1063 | Handle(TColgp_HArray2OfPnt) npoles = |
1064 | new TColgp_HArray2OfPnt(1,nbup,1,nbpoles); |
1065 | Handle(TColStd_HArray2OfReal) nweights = |
1066 | new TColStd_HArray2OfReal(1,nbup,1,nbpoles); |
1067 | TColgp_Array2OfPnt & newpoles = npoles->ChangeArray2(); |
1068 | TColStd_Array2OfReal & newweights = nweights->ChangeArray2(); |
1069 | first = poles->LowerCol(); |
1070 | last = poles->UpperCol(); |
1071 | if ( urational || vrational) { |
1072 | k = 1; |
1073 | for ( j = index; j <= last; j++) { |
1074 | for ( i = 1; i <= nbup; i++) { |
1075 | newpoles(i,k) = poles->Value(i,j); |
1076 | newweights(i,k) = weights->Value(i,j); |
1077 | } |
1078 | k++; |
1079 | } |
1080 | for ( j = first; j < index; j++) { |
1081 | for ( i = 1; i <= nbup; i++) { |
1082 | newpoles(i,k) = poles->Value(i,j); |
1083 | newweights(i,k) = weights->Value(i,j); |
1084 | } |
1085 | k++; |
1086 | } |
1087 | } |
1088 | else { |
1089 | k = 1; |
1090 | for ( j = index; j <= last; j++) { |
1091 | for ( i = 1; i <= nbup; i++) { |
1092 | newpoles(i,k) = poles->Value(i,j); |
1093 | } |
1094 | k++; |
1095 | } |
1096 | for ( j = first; j < index; j++) { |
1097 | for ( i = 1; i <= nbup; i++) { |
1098 | newpoles(i,k) = poles->Value(i,j); |
1099 | } |
1100 | k++; |
1101 | } |
1102 | } |
1103 | |
1104 | poles = npoles; |
1105 | vknots = nknots; |
1106 | vmults = nmults; |
1107 | if (urational || vrational) |
1108 | weights = nweights; |
1109 | UpdateVKnots(); |
1110 | |
1111 | } |
1112 | |
1113 | //======================================================================= |
1114 | //function : SetUNotPeriodic |
1115 | //purpose : |
1116 | //======================================================================= |
1117 | |
1118 | void Geom_BSplineSurface::SetUNotPeriodic () |
1119 | { |
1120 | if ( uperiodic) { |
1121 | Standard_Integer NbKnots, NbPoles; |
1122 | BSplCLib::PrepareUnperiodize( udeg, umults->Array1(), NbKnots, NbPoles); |
1123 | |
1124 | Handle(TColgp_HArray2OfPnt) npoles = |
1125 | new TColgp_HArray2OfPnt(1,NbPoles, 1, poles->RowLength()); |
1126 | |
1127 | Handle(TColStd_HArray1OfReal) nknots |
1128 | = new TColStd_HArray1OfReal(1,NbKnots); |
1129 | |
1130 | Handle(TColStd_HArray1OfInteger) nmults |
1131 | = new TColStd_HArray1OfInteger(1,NbKnots); |
1132 | |
1133 | Handle(TColStd_HArray2OfReal) nweights = new TColStd_HArray2OfReal(1,NbPoles, 1, poles->RowLength(), 0); |
1134 | |
1135 | if ( urational || vrational) { |
1136 | |
1137 | BSplSLib::Unperiodize(Standard_True , udeg, |
1138 | umults->Array1() , uknots->Array1(), |
0e14656b |
1139 | poles->Array2() , &weights->Array2(), |
7fd59977 |
1140 | nmults->ChangeArray1(), nknots->ChangeArray1(), |
1141 | npoles->ChangeArray2(), |
0e14656b |
1142 | &nweights->ChangeArray2()); |
7fd59977 |
1143 | } |
1144 | else { |
1145 | |
1146 | BSplSLib::Unperiodize(Standard_True , udeg, |
1147 | umults->Array1() , uknots->Array1(), |
1148 | poles->Array2() , BSplSLib::NoWeights(), |
1149 | nmults->ChangeArray1(), nknots->ChangeArray1(), |
1150 | npoles->ChangeArray2(), |
0e14656b |
1151 | BSplSLib::NoWeights()); |
7fd59977 |
1152 | } |
1153 | poles = npoles; |
1154 | weights = nweights; |
1155 | umults = nmults; |
1156 | uknots = nknots; |
1157 | uperiodic = Standard_False; |
1158 | |
1159 | maxderivinvok = 0; |
1160 | UpdateUKnots(); |
1161 | |
1162 | } |
1163 | } |
1164 | |
1165 | //======================================================================= |
1166 | //function : SetVNotPeriodic |
1167 | //purpose : |
1168 | //======================================================================= |
1169 | |
1170 | void Geom_BSplineSurface::SetVNotPeriodic () |
1171 | { |
1172 | if ( vperiodic) { |
1173 | Standard_Integer NbKnots, NbPoles; |
1174 | BSplCLib::PrepareUnperiodize( vdeg, vmults->Array1(), NbKnots, NbPoles); |
1175 | |
1176 | Handle(TColgp_HArray2OfPnt) npoles = |
1177 | new TColgp_HArray2OfPnt(1, poles->ColLength(), 1, NbPoles); |
1178 | |
1179 | Handle(TColStd_HArray1OfReal) nknots |
1180 | = new TColStd_HArray1OfReal(1,NbKnots); |
1181 | |
1182 | Handle(TColStd_HArray1OfInteger) nmults |
1183 | = new TColStd_HArray1OfInteger(1,NbKnots) ; |
1184 | |
1185 | Handle(TColStd_HArray2OfReal) nweights = new TColStd_HArray2OfReal(1, poles->ColLength(), 1, NbPoles, 0); |
1186 | |
1187 | if ( urational || vrational) { |
1188 | |
1189 | BSplSLib::Unperiodize(Standard_False , vdeg, |
1190 | vmults->Array1() , vknots->Array1(), |
0e14656b |
1191 | poles->Array2() , &weights->Array2(), |
7fd59977 |
1192 | nmults->ChangeArray1(), nknots->ChangeArray1(), |
1193 | npoles->ChangeArray2(), |
0e14656b |
1194 | &nweights->ChangeArray2()); |
7fd59977 |
1195 | } |
1196 | else { |
1197 | |
1198 | BSplSLib::Unperiodize(Standard_False , vdeg, |
1199 | vmults->Array1() , vknots->Array1(), |
1200 | poles->Array2() , BSplSLib::NoWeights(), |
1201 | nmults->ChangeArray1(), nknots->ChangeArray1(), |
1202 | npoles->ChangeArray2(), |
0e14656b |
1203 | BSplSLib::NoWeights()); |
7fd59977 |
1204 | } |
1205 | poles = npoles; |
1206 | weights = nweights; |
1207 | vmults = nmults; |
1208 | vknots = nknots; |
1209 | vperiodic = Standard_False; |
1210 | |
1211 | maxderivinvok = 0; |
1212 | UpdateVKnots(); |
1213 | |
1214 | } |
1215 | } |
1216 | |
1217 | //======================================================================= |
1218 | //function : IsUClosed |
1219 | //purpose : |
1220 | //======================================================================= |
1221 | |
1222 | Standard_Boolean Geom_BSplineSurface::IsUClosed () const |
1223 | { |
1224 | if (uperiodic) |
1225 | return Standard_True; |
1226 | |
a7493ad4 |
1227 | Standard_Real aU1, aU2, aV1, aV2; |
1228 | Bounds( aU1, aU2, aV1, aV2 ); |
1229 | Handle(Geom_Curve) aCUF = UIso( aU1 ); |
1230 | Handle(Geom_Curve) aCUL = UIso( aU2 ); |
1231 | if(aCUF.IsNull() || aCUL.IsNull()) |
1232 | return Standard_False; |
1233 | Handle(Geom_BSplineCurve) aBsF = Handle(Geom_BSplineCurve)::DownCast(aCUF); |
1234 | Handle(Geom_BSplineCurve) aBsL = Handle(Geom_BSplineCurve)::DownCast(aCUL); |
1235 | return (!aBsF.IsNull() && !aBsL.IsNull() && aBsF->IsEqual( aBsL, Precision::Confusion()) ); |
7fd59977 |
1236 | } |
1237 | |
1238 | //======================================================================= |
1239 | //function : IsVClosed |
1240 | //purpose : |
1241 | //======================================================================= |
1242 | |
1243 | Standard_Boolean Geom_BSplineSurface::IsVClosed () const |
1244 | { |
1245 | if (vperiodic) |
1246 | return Standard_True; |
a7493ad4 |
1247 | |
1248 | Standard_Real aU1, aU2, aV1, aV2; |
1249 | Bounds( aU1, aU2, aV1, aV2 ); |
1250 | Handle(Geom_Curve) aCVF = VIso( aV1 ); |
1251 | Handle(Geom_Curve) aCVL = VIso( aV2 ); |
1252 | if(aCVF.IsNull() || aCVL.IsNull()) |
1253 | return Standard_False; |
1254 | Handle(Geom_BSplineCurve) aBsF = Handle(Geom_BSplineCurve)::DownCast(aCVF); |
1255 | Handle(Geom_BSplineCurve) aBsL = Handle(Geom_BSplineCurve)::DownCast(aCVL); |
1256 | return (!aBsF.IsNull() && !aBsL.IsNull() && aBsF->IsEqual(aBsL, Precision::Confusion())); |
7fd59977 |
1257 | } |
1258 | |
1259 | //======================================================================= |
1260 | //function : IsUPeriodic |
1261 | //purpose : |
1262 | //======================================================================= |
1263 | |
1264 | Standard_Boolean Geom_BSplineSurface::IsUPeriodic () const |
1265 | { |
1266 | return uperiodic; |
1267 | } |
1268 | |
1269 | //======================================================================= |
1270 | //function : IsVPeriodic |
1271 | //purpose : |
1272 | //======================================================================= |
1273 | |
1274 | Standard_Boolean Geom_BSplineSurface::IsVPeriodic () const |
1275 | { |
1276 | return vperiodic; |
1277 | } |
1278 | |
1279 | //======================================================================= |
1280 | //function : FirstUKnotIndex |
1281 | //purpose : |
1282 | //======================================================================= |
1283 | |
1284 | Standard_Integer Geom_BSplineSurface::FirstUKnotIndex () const |
1285 | { |
1286 | if (uperiodic) return 1; |
1287 | else return BSplCLib::FirstUKnotIndex(udeg,umults->Array1()); |
1288 | } |
1289 | |
1290 | //======================================================================= |
1291 | //function : FirstVKnotIndex |
1292 | //purpose : |
1293 | //======================================================================= |
1294 | |
1295 | Standard_Integer Geom_BSplineSurface::FirstVKnotIndex () const |
1296 | { |
1297 | if (vperiodic) return 1; |
1298 | else return BSplCLib::FirstUKnotIndex(vdeg,vmults->Array1()); |
1299 | } |
1300 | |
1301 | //======================================================================= |
1302 | //function : LastUKnotIndex |
1303 | //purpose : |
1304 | //======================================================================= |
1305 | |
1306 | Standard_Integer Geom_BSplineSurface::LastUKnotIndex() const |
1307 | { |
1308 | if (uperiodic) return uknots->Length(); |
1309 | else return BSplCLib::LastUKnotIndex(udeg,umults->Array1()); |
1310 | } |
1311 | |
1312 | //======================================================================= |
1313 | //function : LastVKnotIndex |
1314 | //purpose : |
1315 | //======================================================================= |
1316 | |
1317 | Standard_Integer Geom_BSplineSurface::LastVKnotIndex() const |
1318 | { |
1319 | if (vperiodic) return vknots->Length(); |
1320 | else return BSplCLib::LastUKnotIndex(vdeg,vmults->Array1()); |
1321 | } |
1322 | |
1323 | //======================================================================= |
1324 | //function : LocateU |
1325 | //purpose : |
1326 | //======================================================================= |
1327 | |
1328 | void Geom_BSplineSurface::LocateU |
1329 | (const Standard_Real U, |
1330 | const Standard_Real ParametricTolerance, |
1331 | Standard_Integer& I1, |
1332 | Standard_Integer& I2, |
1333 | const Standard_Boolean WithKnotRepetition ) const |
1334 | { |
1335 | Standard_Real NewU =U, vbid = vknots->Value(1); |
1336 | Handle(TColStd_HArray1OfReal) TheKnots; |
1337 | if (WithKnotRepetition) TheKnots = ufknots; |
1338 | else TheKnots = uknots; |
1339 | |
1340 | PeriodicNormalization(NewU, vbid); //Attention a la periode |
1341 | |
1342 | const TColStd_Array1OfReal & Knots = TheKnots->Array1(); |
1343 | Standard_Real UFirst = Knots (1); |
1344 | Standard_Real ULast = Knots (Knots.Length()); |
41c52af3 |
1345 | Standard_Real PParametricTolerance = Abs(ParametricTolerance); |
1346 | if (Abs (NewU - UFirst) <= PParametricTolerance) { |
7fd59977 |
1347 | I1 = I2 = 1; |
1348 | } |
41c52af3 |
1349 | else if (Abs (NewU - ULast) <= PParametricTolerance) { |
7fd59977 |
1350 | I1 = I2 = Knots.Length(); |
1351 | } |
41c52af3 |
1352 | else if (NewU < UFirst) { |
7fd59977 |
1353 | I2 = 1; |
1354 | I1 = 0; |
1355 | } |
41c52af3 |
1356 | else if (NewU > ULast) { |
7fd59977 |
1357 | I1 = Knots.Length(); |
1358 | I2 = I1 + 1; |
1359 | } |
1360 | else { |
1361 | I1 = 1; |
1362 | BSplCLib::Hunt (Knots, NewU, I1); |
41c52af3 |
1363 | while ( Abs( Knots(I1+1) - NewU) <= PParametricTolerance) I1++; |
1364 | if ( Abs( Knots(I1) - NewU) <= PParametricTolerance) { |
7fd59977 |
1365 | I2 = I1; |
1366 | } |
1367 | else { |
1368 | I2 = I1 + 1; |
1369 | } |
1370 | } |
1371 | } |
1372 | |
1373 | //======================================================================= |
1374 | //function : LocateV |
1375 | //purpose : |
1376 | //======================================================================= |
1377 | |
1378 | void Geom_BSplineSurface::LocateV |
1379 | (const Standard_Real V, |
1380 | const Standard_Real ParametricTolerance, |
1381 | Standard_Integer& I1, |
1382 | Standard_Integer& I2, |
1383 | const Standard_Boolean WithKnotRepetition ) const |
1384 | { |
1385 | Standard_Real NewV =V, ubid = uknots->Value(1); |
1386 | Handle(TColStd_HArray1OfReal) TheKnots; |
1387 | if (WithKnotRepetition) TheKnots = vfknots; |
1388 | else TheKnots = vknots; |
1389 | |
1390 | PeriodicNormalization(ubid, NewV); //Attention a la periode |
1391 | |
1392 | const TColStd_Array1OfReal & Knots = TheKnots->Array1(); |
1393 | Standard_Real VFirst = Knots (1); |
1394 | Standard_Real VLast = Knots (Knots.Length()); |
41c52af3 |
1395 | Standard_Real PParametricTolerance = Abs(ParametricTolerance); |
1396 | if (Abs (NewV - VFirst) <= PParametricTolerance) { I1 = I2 = 1; } |
1397 | else if (Abs (NewV - VLast) <= PParametricTolerance) { |
7fd59977 |
1398 | I1 = I2 = Knots.Length(); |
1399 | } |
41c52af3 |
1400 | else if (NewV < VFirst - PParametricTolerance) { |
7fd59977 |
1401 | I2 = 1; |
1402 | I1 = 0; |
1403 | } |
41c52af3 |
1404 | else if (NewV > VLast + PParametricTolerance) { |
7fd59977 |
1405 | I1 = Knots.Length(); |
1406 | I2 = I1 + 1; |
1407 | } |
1408 | else { |
1409 | I1 = 1; |
1410 | BSplCLib::Hunt (Knots, NewV, I1); |
41c52af3 |
1411 | while ( Abs( Knots(I1+1) - NewV) <= PParametricTolerance) I1++; |
1412 | if ( Abs( Knots(I1) - NewV) <= PParametricTolerance) { |
7fd59977 |
1413 | I2 = I1; |
1414 | } |
1415 | else { |
1416 | I2 = I1 + 1; |
1417 | } |
1418 | } |
1419 | } |
1420 | |
1421 | //======================================================================= |
1422 | //function : UReverse |
1423 | //purpose : |
1424 | //======================================================================= |
1425 | |
1426 | void Geom_BSplineSurface::UReverse () |
1427 | { |
1428 | BSplCLib::Reverse(umults->ChangeArray1()); |
1429 | BSplCLib::Reverse(uknots->ChangeArray1()); |
1430 | Standard_Integer last; |
1431 | if (uperiodic) |
1432 | last = ufknots->Upper() - udeg -1; |
1433 | else |
1434 | last = poles->UpperRow(); |
1435 | BSplSLib::Reverse(poles->ChangeArray2(),last,Standard_True); |
1436 | if (urational || vrational) |
1437 | BSplSLib::Reverse(weights->ChangeArray2(),last,Standard_True); |
1438 | UpdateUKnots(); |
1439 | } |
1440 | |
1441 | //======================================================================= |
1442 | //function : UReversedParameter |
1443 | //purpose : |
1444 | //======================================================================= |
1445 | |
1446 | Standard_Real Geom_BSplineSurface::UReversedParameter |
1447 | ( const Standard_Real U) const |
1448 | { |
1449 | return ( uknots->Value( 1) + uknots->Value( uknots->Length()) - U); |
1450 | } |
1451 | |
1452 | //======================================================================= |
1453 | //function : VReverse |
1454 | //purpose : |
1455 | //======================================================================= |
1456 | |
1457 | void Geom_BSplineSurface::VReverse () |
1458 | { |
1459 | BSplCLib::Reverse(vmults->ChangeArray1()); |
1460 | BSplCLib::Reverse(vknots->ChangeArray1()); |
1461 | Standard_Integer last; |
1462 | if (vperiodic) |
1463 | last = vfknots->Upper() - vdeg -1; |
1464 | else |
1465 | last = poles->UpperCol(); |
1466 | BSplSLib::Reverse(poles->ChangeArray2(),last,Standard_False); |
1467 | if (urational || vrational) |
1468 | BSplSLib::Reverse(weights->ChangeArray2(),last,Standard_False); |
1469 | UpdateVKnots(); |
1470 | } |
1471 | |
1472 | //======================================================================= |
1473 | //function : VReversedParameter |
1474 | //purpose : |
1475 | //======================================================================= |
1476 | |
1477 | Standard_Real Geom_BSplineSurface::VReversedParameter |
1478 | ( const Standard_Real V) const |
1479 | { |
1480 | return ( vknots->Value( 1) + vknots->Value( vknots->Length()) - V); |
1481 | } |
1482 | |
1483 | //======================================================================= |
1484 | //function : SetPoleCol |
1485 | //purpose : |
1486 | //======================================================================= |
1487 | |
1488 | void Geom_BSplineSurface::SetPoleCol (const Standard_Integer VIndex, |
1489 | const TColgp_Array1OfPnt& CPoles) |
1490 | { |
1491 | if (VIndex < 1 || VIndex > poles->RowLength()) { |
1492 | Standard_OutOfRange::Raise(); |
1493 | } |
1494 | if (CPoles.Lower() < 1 || CPoles.Lower() > poles->ColLength() || |
1495 | CPoles.Upper() < 1 || CPoles.Upper() > poles->ColLength()) { |
1496 | Standard_ConstructionError::Raise(); |
1497 | } |
1498 | |
1499 | TColgp_Array2OfPnt & Poles = poles->ChangeArray2(); |
1500 | |
1501 | for (Standard_Integer I = CPoles.Lower(); I <= CPoles.Upper(); I++) { |
1502 | Poles (I+Poles.LowerRow()-1, VIndex+Poles.LowerCol()-1) = CPoles(I); |
1503 | } |
7fd59977 |
1504 | } |
1505 | |
1506 | //======================================================================= |
1507 | //function : SetPoleCol |
1508 | //purpose : |
1509 | //======================================================================= |
1510 | |
1511 | void Geom_BSplineSurface::SetPoleCol (const Standard_Integer VIndex, |
1512 | const TColgp_Array1OfPnt& CPoles, |
1513 | const TColStd_Array1OfReal& CPoleWeights) |
1514 | { |
1515 | SetPoleCol (VIndex, CPoles); |
1516 | SetWeightCol(VIndex, CPoleWeights); |
1517 | } |
1518 | |
1519 | //======================================================================= |
1520 | //function : SetPoleRow |
1521 | //purpose : |
1522 | //======================================================================= |
1523 | |
1524 | void Geom_BSplineSurface::SetPoleRow (const Standard_Integer UIndex, |
1525 | const TColgp_Array1OfPnt& CPoles) |
1526 | { |
1527 | if (UIndex < 1 || UIndex > poles->ColLength() ) { |
1528 | Standard_OutOfRange::Raise(); |
1529 | } |
1530 | if (CPoles.Lower() < 1 || CPoles.Lower() > poles->RowLength() || |
1531 | CPoles.Upper() < 1 || CPoles.Upper() > poles->RowLength() ) { |
1532 | Standard_ConstructionError::Raise(); |
1533 | } |
1534 | |
1535 | TColgp_Array2OfPnt & Poles = poles->ChangeArray2(); |
1536 | |
1537 | for (Standard_Integer I = CPoles.Lower(); I <= CPoles.Upper(); I++) { |
1538 | Poles (UIndex+Poles.LowerRow()-1, I+Poles.LowerCol()-1) = CPoles (I); |
1539 | } |
7fd59977 |
1540 | } |
1541 | |
1542 | //======================================================================= |
1543 | //function : SetPoleRow |
1544 | //purpose : |
1545 | //======================================================================= |
1546 | |
1547 | void Geom_BSplineSurface::SetPoleRow(const Standard_Integer UIndex, |
1548 | const TColgp_Array1OfPnt & CPoles, |
1549 | const TColStd_Array1OfReal& CPoleWeights) |
1550 | { |
1551 | SetPoleRow (UIndex, CPoles); |
1552 | SetWeightRow(UIndex, CPoleWeights); |
1553 | } |
1554 | |
1555 | //======================================================================= |
1556 | //function : SetPole |
1557 | //purpose : |
1558 | //======================================================================= |
1559 | |
1560 | void Geom_BSplineSurface::SetPole (const Standard_Integer UIndex, |
1561 | const Standard_Integer VIndex, |
1562 | const gp_Pnt& P) |
1563 | { |
1564 | poles->SetValue (UIndex+poles->LowerRow()-1, VIndex+poles->LowerCol()-1, P); |
7fd59977 |
1565 | } |
1566 | |
1567 | //======================================================================= |
1568 | //function : SetPole |
1569 | //purpose : |
1570 | //======================================================================= |
1571 | |
1572 | void Geom_BSplineSurface::SetPole (const Standard_Integer UIndex, |
1573 | const Standard_Integer VIndex, |
1574 | const gp_Pnt& P, |
1575 | const Standard_Real Weight) |
1576 | { |
1577 | SetWeight(UIndex, VIndex, Weight); |
1578 | SetPole (UIndex, VIndex, P); |
1579 | } |
1580 | |
1581 | //======================================================================= |
1582 | //function : MovePoint |
1583 | //purpose : |
1584 | //======================================================================= |
1585 | |
1586 | void Geom_BSplineSurface::MovePoint(const Standard_Real U, |
1587 | const Standard_Real V, |
1588 | const gp_Pnt& P, |
1589 | const Standard_Integer UIndex1, |
1590 | const Standard_Integer UIndex2, |
1591 | const Standard_Integer VIndex1, |
1592 | const Standard_Integer VIndex2, |
1593 | Standard_Integer& UFirstModifiedPole, |
1594 | Standard_Integer& ULastmodifiedPole, |
1595 | Standard_Integer& VFirstModifiedPole, |
1596 | Standard_Integer& VLastmodifiedPole) |
1597 | { |
1598 | if (UIndex1 < 1 || UIndex1 > poles->UpperRow() || |
1599 | UIndex2 < 1 || UIndex2 > poles->UpperRow() || UIndex1 > UIndex2 || |
1600 | VIndex1 < 1 || VIndex1 > poles->UpperCol() || |
1601 | VIndex2 < 1 || VIndex2 > poles->UpperCol() || VIndex1 > VIndex2) { |
1602 | Standard_OutOfRange::Raise(); |
1603 | } |
1604 | |
1605 | TColgp_Array2OfPnt npoles(1, poles->UpperRow(), 1, poles->UpperCol()); |
1606 | gp_Pnt P0; |
1607 | D0(U, V, P0); |
1608 | gp_Vec Displ(P0, P); |
1609 | Standard_Boolean rational = (urational || vrational); |
1610 | BSplSLib::MovePoint(U, V, Displ, UIndex1, UIndex2, VIndex1, VIndex2, udeg, vdeg, |
1611 | rational, poles->Array2(), weights->Array2(), |
1612 | ufknots->Array1(), vfknots->Array1(), |
1613 | UFirstModifiedPole, ULastmodifiedPole, |
1614 | VFirstModifiedPole, VLastmodifiedPole, |
1615 | npoles); |
1616 | if (UFirstModifiedPole) { |
1617 | poles->ChangeArray2() = npoles; |
1618 | } |
1619 | maxderivinvok = 0; |
7fd59977 |
1620 | } |
1621 | |
1622 | //======================================================================= |
1623 | //function : Bounds |
1624 | //purpose : |
1625 | //======================================================================= |
1626 | |
1627 | void Geom_BSplineSurface::Bounds (Standard_Real& U1, |
1628 | Standard_Real& U2, |
1629 | Standard_Real& V1, |
1630 | Standard_Real& V2) const |
1631 | { |
1632 | U1 = ufknots->Value (udeg+1); |
1633 | U2 = ufknots->Value (ufknots->Upper()-udeg); |
1634 | V1 = vfknots->Value (vdeg+1); |
1635 | V2 = vfknots->Value (vfknots->Upper()-vdeg); |
1636 | } |
1637 | |
1638 | //======================================================================= |
1639 | //function : MaxDegree |
1640 | //purpose : |
1641 | //======================================================================= |
1642 | |
1643 | Standard_Integer Geom_BSplineSurface::MaxDegree () |
1644 | { |
1645 | return BSplCLib::MaxDegree(); |
1646 | } |
1647 | |
1648 | //======================================================================= |
1649 | //function : IsURational |
1650 | //purpose : |
1651 | //======================================================================= |
1652 | |
1653 | Standard_Boolean Geom_BSplineSurface::IsURational () const |
1654 | { |
1655 | return urational; |
1656 | } |
1657 | |
1658 | //======================================================================= |
1659 | //function : IsVRational |
1660 | //purpose : |
1661 | //======================================================================= |
1662 | |
1663 | Standard_Boolean Geom_BSplineSurface::IsVRational () const |
1664 | { |
1665 | return vrational; |
1666 | } |
1667 | |
1668 | //======================================================================= |
1669 | //function : Continuity |
1670 | //purpose : |
1671 | //======================================================================= |
1672 | |
1673 | GeomAbs_Shape Geom_BSplineSurface::Continuity () const |
1674 | { |
1675 | return ((Usmooth < Vsmooth) ? Usmooth : Vsmooth) ; |
1676 | } |
1677 | |
1678 | //======================================================================= |
1679 | //function : NbUKnots |
1680 | //purpose : |
1681 | //======================================================================= |
1682 | |
1683 | Standard_Integer Geom_BSplineSurface::NbUKnots () const |
1684 | { |
1685 | return uknots->Length(); |
1686 | } |
1687 | |
1688 | //======================================================================= |
1689 | //function : NbUPoles |
1690 | //purpose : |
1691 | //======================================================================= |
1692 | |
1693 | Standard_Integer Geom_BSplineSurface::NbUPoles () const |
1694 | { |
1695 | return poles->ColLength(); |
1696 | } |
1697 | |
1698 | //======================================================================= |
1699 | //function : NbVKnots |
1700 | //purpose : |
1701 | //======================================================================= |
1702 | |
1703 | Standard_Integer Geom_BSplineSurface::NbVKnots () const |
1704 | { |
1705 | return vknots->Length(); |
1706 | } |
1707 | |
1708 | //======================================================================= |
1709 | //function : NbVPoles |
1710 | //purpose : |
1711 | //======================================================================= |
1712 | |
1713 | Standard_Integer Geom_BSplineSurface::NbVPoles () const |
1714 | { |
1715 | return poles->RowLength(); |
1716 | } |
1717 | |
1718 | //======================================================================= |
1719 | //function : UDegree |
1720 | //purpose : |
1721 | //======================================================================= |
1722 | |
1723 | Standard_Integer Geom_BSplineSurface::UDegree () const |
1724 | { |
1725 | return udeg; |
1726 | } |
1727 | |
1728 | //======================================================================= |
1729 | //function : VDegree |
1730 | //purpose : |
1731 | //======================================================================= |
1732 | |
1733 | Standard_Integer Geom_BSplineSurface::VDegree () const |
1734 | { |
1735 | return vdeg; |
1736 | } |
1737 | |
1738 | //======================================================================= |
1739 | //function : UKnotDistribution |
1740 | //purpose : |
1741 | //======================================================================= |
1742 | |
1743 | GeomAbs_BSplKnotDistribution Geom_BSplineSurface::UKnotDistribution() const |
1744 | { |
1745 | return uknotSet; |
1746 | } |
1747 | |
1748 | |
1749 | //======================================================================= |
1750 | //function : VKnotDistribution |
1751 | //purpose : |
1752 | //======================================================================= |
1753 | |
1754 | GeomAbs_BSplKnotDistribution Geom_BSplineSurface::VKnotDistribution() const |
1755 | { |
1756 | return vknotSet; |
1757 | } |
1758 | |
1759 | //======================================================================= |
1760 | //function : InsertUKnots |
1761 | //purpose : |
1762 | //======================================================================= |
1763 | |
1764 | void Geom_BSplineSurface::InsertUKnots |
1765 | (const TColStd_Array1OfReal& Knots, |
1766 | const TColStd_Array1OfInteger& Mults, |
1767 | const Standard_Real ParametricTolerance, |
1768 | const Standard_Boolean Add) |
1769 | { |
1770 | // Check and compute new sizes |
1771 | Standard_Integer nbpoles, nbknots; |
1772 | |
1773 | if ( !BSplCLib::PrepareInsertKnots(udeg,uperiodic, |
1774 | uknots->Array1(),umults->Array1(), |
0e14656b |
1775 | Knots,&Mults,nbpoles,nbknots, |
7fd59977 |
1776 | ParametricTolerance,Add)) |
1777 | Standard_ConstructionError::Raise("Geom_BSplineSurface::InsertUKnots"); |
1778 | |
1779 | if ( nbpoles == poles->ColLength()) return; |
1780 | |
1781 | Handle(TColgp_HArray2OfPnt) npoles |
1782 | = new TColgp_HArray2OfPnt(1,nbpoles, 1,poles->RowLength()); |
1783 | Handle(TColStd_HArray2OfReal) nweights = |
1784 | new TColStd_HArray2OfReal(1,nbpoles, |
1785 | 1,poles->RowLength(), |
1786 | 1.0); |
1787 | Handle(TColStd_HArray1OfReal) nknots = uknots; |
1788 | Handle(TColStd_HArray1OfInteger) nmults = umults; |
1789 | |
1790 | if ( nbknots != uknots->Length()) { |
1791 | nknots = new TColStd_HArray1OfReal(1,nbknots); |
1792 | nmults = new TColStd_HArray1OfInteger(1,nbknots); |
1793 | } |
1794 | |
1795 | if ( urational || vrational) { |
1796 | BSplSLib::InsertKnots(Standard_True, |
1797 | udeg, uperiodic, |
0e14656b |
1798 | poles->Array2() , &weights->Array2(), |
7fd59977 |
1799 | uknots->Array1(), umults->Array1(), |
0e14656b |
1800 | Knots, &Mults, |
7fd59977 |
1801 | npoles->ChangeArray2(), |
0e14656b |
1802 | &nweights->ChangeArray2(), |
7fd59977 |
1803 | nknots->ChangeArray1(), nmults->ChangeArray1(), |
1804 | ParametricTolerance, Add); |
1805 | } |
1806 | else { |
1807 | BSplSLib::InsertKnots(Standard_True, |
1808 | udeg, uperiodic, |
1809 | poles->Array2() , BSplSLib::NoWeights(), |
1810 | uknots->Array1(), umults->Array1(), |
0e14656b |
1811 | Knots, &Mults, |
7fd59977 |
1812 | npoles->ChangeArray2(), |
0e14656b |
1813 | BSplSLib::NoWeights(), |
7fd59977 |
1814 | nknots->ChangeArray1(), nmults->ChangeArray1(), |
1815 | ParametricTolerance, Add); |
1816 | } |
1817 | |
1818 | poles = npoles; |
1819 | weights = nweights; |
1820 | uknots = nknots; |
1821 | umults = nmults; |
1822 | UpdateUKnots(); |
1823 | |
1824 | } |
1825 | |
1826 | //======================================================================= |
1827 | //function : InsertVKnots |
1828 | //purpose : |
1829 | //======================================================================= |
1830 | |
1831 | void Geom_BSplineSurface::InsertVKnots |
1832 | (const TColStd_Array1OfReal& Knots, |
1833 | const TColStd_Array1OfInteger& Mults, |
1834 | const Standard_Real ParametricTolerance, |
1835 | const Standard_Boolean Add) |
1836 | { |
1837 | // Check and compute new sizes |
1838 | Standard_Integer nbpoles, nbknots; |
1839 | |
1840 | if ( !BSplCLib::PrepareInsertKnots(vdeg,vperiodic, |
1841 | vknots->Array1(),vmults->Array1(), |
0e14656b |
1842 | Knots,&Mults,nbpoles,nbknots, |
7fd59977 |
1843 | ParametricTolerance, Add)) |
1844 | Standard_ConstructionError::Raise("Geom_BSplineSurface::InsertVKnots"); |
1845 | |
1846 | if ( nbpoles == poles->RowLength()) return; |
1847 | |
1848 | Handle(TColgp_HArray2OfPnt) npoles |
1849 | = new TColgp_HArray2OfPnt(1,poles->ColLength(), 1,nbpoles); |
1850 | Handle(TColStd_HArray2OfReal) nweights = |
1851 | new TColStd_HArray2OfReal(1,poles->ColLength(), |
1852 | 1,nbpoles, |
1853 | 1.0); |
1854 | Handle(TColStd_HArray1OfReal) nknots = vknots; |
1855 | Handle(TColStd_HArray1OfInteger) nmults = vmults; |
1856 | |
1857 | if ( nbknots != vknots->Length()) { |
1858 | nknots = new TColStd_HArray1OfReal(1,nbknots); |
1859 | nmults = new TColStd_HArray1OfInteger(1,nbknots); |
1860 | } |
1861 | |
1862 | if ( urational || vrational) { |
1863 | BSplSLib::InsertKnots(Standard_False, |
1864 | vdeg, vperiodic, |
0e14656b |
1865 | poles->Array2() , &weights->Array2(), |
7fd59977 |
1866 | vknots->Array1(), vmults->Array1(), |
0e14656b |
1867 | Knots, &Mults, |
7fd59977 |
1868 | npoles->ChangeArray2(), |
0e14656b |
1869 | &nweights->ChangeArray2(), |
7fd59977 |
1870 | nknots->ChangeArray1(), nmults->ChangeArray1(), |
1871 | ParametricTolerance, Add); |
1872 | } |
1873 | else { |
1874 | BSplSLib::InsertKnots(Standard_False, |
1875 | vdeg, vperiodic, |
1876 | poles->Array2() , BSplSLib::NoWeights(), |
1877 | vknots->Array1(), vmults->Array1(), |
0e14656b |
1878 | Knots, &Mults, |
7fd59977 |
1879 | npoles->ChangeArray2(), |
0e14656b |
1880 | BSplSLib::NoWeights(), |
7fd59977 |
1881 | nknots->ChangeArray1(), nmults->ChangeArray1(), |
1882 | ParametricTolerance, Add); |
1883 | } |
1884 | |
1885 | poles = npoles; |
1886 | weights = nweights; |
1887 | vknots = nknots; |
1888 | vmults = nmults; |
1889 | UpdateVKnots(); |
1890 | |
1891 | } |
1892 | |
1893 | //======================================================================= |
1894 | //function : RemoveUKnot |
1895 | //purpose : |
1896 | //======================================================================= |
1897 | |
1898 | Standard_Boolean Geom_BSplineSurface::RemoveUKnot |
1899 | (const Standard_Integer Index, |
1900 | const Standard_Integer M, |
1901 | const Standard_Real Tolerance) |
1902 | { |
1903 | if ( M < 0 ) return Standard_True; |
1904 | |
1905 | Standard_Integer I1 = FirstUKnotIndex (); |
1906 | Standard_Integer I2 = LastUKnotIndex (); |
1907 | |
1908 | if ( !uperiodic && (Index <= I1 || Index >= I2) ) { |
1909 | Standard_OutOfRange::Raise(); |
1910 | } |
1911 | else if ( uperiodic && (Index < I1 || Index > I2)) { |
1912 | Standard_OutOfRange::Raise(); |
1913 | } |
1914 | |
1915 | const TColgp_Array2OfPnt & oldpoles = poles->Array2(); |
1916 | |
1917 | Standard_Integer step = umults->Value(Index) - M; |
1918 | if (step <= 0 ) return Standard_True; |
1919 | |
1920 | Handle(TColgp_HArray2OfPnt) npoles = |
1921 | new TColgp_HArray2OfPnt( 1, oldpoles.ColLength() - step, |
1922 | 1, oldpoles.RowLength()); |
1923 | Handle(TColStd_HArray1OfReal) nknots = uknots; |
1924 | Handle(TColStd_HArray1OfInteger) nmults = umults; |
1925 | |
1926 | if ( M == 0) { |
1927 | nknots = new TColStd_HArray1OfReal(1,uknots->Length()-1); |
1928 | nmults = new TColStd_HArray1OfInteger(1,uknots->Length()-1); |
1929 | } |
1930 | Handle(TColStd_HArray2OfReal) nweights ; |
1931 | if (urational || vrational) { |
1932 | nweights = |
1933 | new TColStd_HArray2OfReal( 1, npoles->ColLength(), |
1934 | 1, npoles->RowLength()); |
1935 | if (!BSplSLib::RemoveKnot(Standard_True, |
1936 | Index,M,udeg,uperiodic, |
0e14656b |
1937 | poles->Array2(),&weights->Array2(), |
7fd59977 |
1938 | uknots->Array1(),umults->Array1(), |
1939 | npoles->ChangeArray2(), |
0e14656b |
1940 | &nweights->ChangeArray2(), |
7fd59977 |
1941 | nknots->ChangeArray1(),nmults->ChangeArray1(), |
1942 | Tolerance)) |
1943 | return Standard_False; |
1944 | } |
1945 | else { |
1946 | // |
1947 | // sync the size of the weights |
1948 | // |
1949 | nweights = |
1950 | new TColStd_HArray2OfReal(1, npoles->ColLength(), |
1951 | 1, npoles->RowLength(), |
1952 | 1.0e0 ); |
1953 | if (!BSplSLib::RemoveKnot(Standard_True, |
1954 | Index,M,udeg,uperiodic, |
1955 | poles->Array2(),BSplSLib::NoWeights(), |
1956 | uknots->Array1(),umults->Array1(), |
1957 | npoles->ChangeArray2(), |
0e14656b |
1958 | BSplSLib::NoWeights(), |
7fd59977 |
1959 | nknots->ChangeArray1(),nmults->ChangeArray1(), |
1960 | Tolerance)) |
1961 | return Standard_False; |
1962 | } |
1963 | |
1964 | poles = npoles; |
1965 | weights = nweights; |
1966 | uknots = nknots; |
1967 | umults = nmults; |
1968 | |
1969 | maxderivinvok = 0; |
1970 | UpdateUKnots(); |
1971 | return Standard_True; |
1972 | } |
1973 | |
1974 | //======================================================================= |
1975 | //function : RemoveVKnot |
1976 | //purpose : |
1977 | //======================================================================= |
1978 | |
1979 | Standard_Boolean Geom_BSplineSurface::RemoveVKnot |
1980 | (const Standard_Integer Index, |
1981 | const Standard_Integer M, |
1982 | const Standard_Real Tolerance) |
1983 | { |
1984 | if ( M < 0 ) return Standard_True; |
1985 | |
1986 | Standard_Integer I1 = FirstVKnotIndex (); |
1987 | Standard_Integer I2 = LastVKnotIndex (); |
1988 | |
1989 | if ( !vperiodic && (Index <= I1 || Index >= I2) ) { |
1990 | Standard_OutOfRange::Raise(); |
1991 | } |
1992 | else if ( vperiodic && (Index < I1 || Index > I2)) { |
1993 | Standard_OutOfRange::Raise(); |
1994 | } |
1995 | |
1996 | const TColgp_Array2OfPnt & oldpoles = poles->Array2(); |
1997 | |
1998 | Standard_Integer step = vmults->Value(Index) - M; |
1999 | if (step <= 0 ) return Standard_True; |
2000 | |
2001 | Handle(TColgp_HArray2OfPnt) npoles = |
2002 | new TColgp_HArray2OfPnt( 1, oldpoles.ColLength(), |
2003 | 1, oldpoles.RowLength() - step); |
2004 | Handle(TColStd_HArray1OfReal) nknots = vknots; |
2005 | Handle(TColStd_HArray1OfInteger) nmults = vmults; |
2006 | |
2007 | if ( M == 0) { |
2008 | nknots = new TColStd_HArray1OfReal(1,vknots->Length()-1); |
2009 | nmults = new TColStd_HArray1OfInteger(1,vknots->Length()-1); |
2010 | } |
2011 | Handle(TColStd_HArray2OfReal) nweights ; |
2012 | if (urational || vrational) { |
2013 | nweights = |
2014 | new TColStd_HArray2OfReal( 1, npoles->ColLength(), |
2015 | 1, npoles->RowLength()) ; |
2016 | |
2017 | |
2018 | if (!BSplSLib::RemoveKnot(Standard_False, |
2019 | Index,M,vdeg,vperiodic, |
0e14656b |
2020 | poles->Array2(),&weights->Array2(), |
7fd59977 |
2021 | vknots->Array1(),vmults->Array1(), |
2022 | npoles->ChangeArray2(), |
0e14656b |
2023 | &nweights->ChangeArray2(), |
7fd59977 |
2024 | nknots->ChangeArray1(),nmults->ChangeArray1(), |
2025 | Tolerance)) |
2026 | return Standard_False; |
2027 | } |
2028 | else { |
2029 | // |
2030 | // sync the size of the weights array |
2031 | // |
2032 | nweights = |
2033 | new TColStd_HArray2OfReal(1, npoles->ColLength(), |
2034 | 1, npoles->RowLength(), |
2035 | 1.0e0 ); |
2036 | if (!BSplSLib::RemoveKnot(Standard_False, |
2037 | Index,M,vdeg,vperiodic, |
2038 | poles->Array2(),BSplSLib::NoWeights(), |
2039 | vknots->Array1(),vmults->Array1(), |
2040 | npoles->ChangeArray2(), |
0e14656b |
2041 | BSplSLib::NoWeights(), |
7fd59977 |
2042 | nknots->ChangeArray1(),nmults->ChangeArray1(), |
2043 | Tolerance)) |
2044 | return Standard_False; |
2045 | } |
2046 | |
2047 | poles = npoles; |
2048 | vknots = nknots; |
2049 | vmults = nmults; |
2050 | weights = nweights; |
2051 | maxderivinvok = 0; |
2052 | UpdateVKnots(); |
2053 | return Standard_True; |
2054 | } |
2055 | |
2056 | //======================================================================= |
2057 | //function : Resolution |
2058 | //purpose : |
2059 | //======================================================================= |
2060 | |
2061 | void Geom_BSplineSurface::Resolution( const Standard_Real Tolerance3D, |
2062 | Standard_Real& UTolerance, |
2063 | Standard_Real& VTolerance) |
2064 | { |
2065 | if(!maxderivinvok){ |
2066 | BSplSLib::Resolution(poles ->Array2(), |
0e14656b |
2067 | &weights->Array2(), |
7fd59977 |
2068 | uknots ->Array1(), |
2069 | vknots ->Array1(), |
2070 | umults ->Array1(), |
2071 | vmults ->Array1(), |
2072 | udeg, |
2073 | vdeg, |
2074 | urational, |
2075 | vrational, |
2076 | uperiodic, |
2077 | vperiodic, |
2078 | 1., |
2079 | umaxderivinv, |
2080 | vmaxderivinv) ; |
2081 | maxderivinvok = 1; |
2082 | } |
2083 | UTolerance = Tolerance3D * umaxderivinv; |
2084 | VTolerance = Tolerance3D * vmaxderivinv; |
2085 | } |
2086 | |
2087 | |
2088 | |
2089 | |