1 // Created on: 1996-07-02
2 // Created by: Joelle CHAUVET
3 // Copyright (c) 1996-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
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
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.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 // Modified: Wed Jan 15 10:04:41 1997
19 // G1135 : Methods CutSense with criterion, Coefficients,
20 // CritValue, SetCritValue
21 // Modified: Tue May 19 10:22:44 1998
22 // by: Joelle CHAUVET / Jean-Marc LACHAUME
23 // Initialisation de myCritValue pour OSF
25 #include <AdvApp2Var_ApproxF2var.hxx>
26 #include <AdvApp2Var_Context.hxx>
27 #include <AdvApp2Var_Criterion.hxx>
28 #include <AdvApp2Var_Framework.hxx>
29 #include <AdvApp2Var_Iso.hxx>
30 #include <AdvApp2Var_MathBase.hxx>
31 #include <AdvApp2Var_Node.hxx>
32 #include <AdvApp2Var_Patch.hxx>
33 #include <Convert_GridPolynomialToPoles.hxx>
35 #include <Standard_ConstructionError.hxx>
36 #include <TColgp_Array2OfPnt.hxx>
37 #include <TColgp_HArray2OfPnt.hxx>
38 #include <TColStd_Array2OfReal.hxx>
39 #include <TColStd_HArray1OfInteger.hxx>
40 #include <TColStd_HArray1OfReal.hxx>
41 #include <TColStd_HArray2OfReal.hxx>
43 IMPLEMENT_STANDARD_RTTIEXT(AdvApp2Var_Patch, Standard_Transient)
45 //============================================================================
46 //function : AdvApp2Var_Patch
48 //============================================================================
49 AdvApp2Var_Patch::AdvApp2Var_Patch() :
58 myApprIsDone(Standard_False),
59 myHasResult(Standard_False),
61 myDiscIsDone(Standard_False),
66 //============================================================================
67 //function : AdvApp2Var_Patch
69 //============================================================================
71 AdvApp2Var_Patch::AdvApp2Var_Patch(const Standard_Real U0,
72 const Standard_Real U1,
73 const Standard_Real V0,
74 const Standard_Real V1,
75 const Standard_Integer iu,
76 const Standard_Integer iv) :
85 myApprIsDone(Standard_False),
86 myHasResult(Standard_False),
88 myDiscIsDone(Standard_False),
93 //============================================================================
94 //function : IsDiscretised
96 //============================================================================
98 Standard_Boolean AdvApp2Var_Patch::IsDiscretised() const
103 //============================================================================
104 //function : Discretise
106 //============================================================================
108 void AdvApp2Var_Patch::Discretise(const AdvApp2Var_Context& Conditions,
109 const AdvApp2Var_Framework& Constraints,
110 const AdvApp2Var_EvaluatorFunc2Var& Func)
113 // data stored in the Context
114 Standard_Integer NDIMEN, ISOFAV;
115 NDIMEN = Conditions.TotalDimension();
116 // Attention : works only for 3D
117 ISOFAV = Conditions.FavorIso();
119 // data related to the patch to be discretized
120 Standard_Integer NBPNTU, NBPNTV;
121 Standard_Integer IORDRU = myOrdInU, IORDRV = myOrdInV;
122 Handle (TColStd_HArray1OfReal) HUROOT = Conditions.URoots();
123 Handle (TColStd_HArray1OfReal) HVROOT = Conditions.VRoots();
124 Standard_Real * UROOT;
125 UROOT = (Standard_Real *) &HUROOT ->ChangeArray1()(HUROOT ->Lower());
126 NBPNTU = (Conditions.URoots())->Length();
127 if (myOrdInU>-1) NBPNTU -= 2;
128 Standard_Real * VROOT;
129 VROOT = (Standard_Real *) &HVROOT ->ChangeArray1()(HVROOT ->Lower());
130 NBPNTV = (Conditions.VRoots())->Length();
131 if (myOrdInV>-1) NBPNTV -= 2;
133 // data stored in the Framework Constraints cad Nodes and Isos
134 // C1, C2, C3 and C4 are dimensionnes in FORTRAN with (NDIMEN,IORDRU+2,IORDRV+2)
135 Standard_Integer SIZE=NDIMEN*(IORDRU+2)*(IORDRV+2);
136 Handle (TColStd_HArray1OfReal) HCOINS =
137 new TColStd_HArray1OfReal(1,SIZE*4);
140 Standard_Integer iu,iv;
141 Standard_Real du=(myU1-myU0)/2,dv=(myV1-myV0)/2,rho,valnorm;
143 for (iu=0;iu<=myOrdInU;iu++) {
144 for (iv=0;iv<=myOrdInV;iv++) {
145 // factor of normalization
146 rho = pow(du,iu)*pow(dv,iv);
148 // F(U0,V0) and its derivatives normalized on (-1,1)
149 valnorm = rho * ((Constraints.Node(myU0,myV0))->Point(iu,iv)).X();
150 HCOINS->SetValue( 1+NDIMEN*iu+NDIMEN*(IORDRU+2)*iv , valnorm );
151 valnorm = rho * ((Constraints.Node(myU0,myV0))->Point(iu,iv)).Y();
152 HCOINS->SetValue( 2+NDIMEN*iu+NDIMEN*(IORDRU+2)*iv, valnorm );
153 valnorm = rho * ((Constraints.Node(myU0,myV0))->Point(iu,iv)).Z();
154 HCOINS->SetValue( 3+NDIMEN*iu+NDIMEN*(IORDRU+2)*iv, valnorm );
156 // F(U1,V0) and its derivatives normalized on (-1,1)
157 valnorm = rho * ((Constraints.Node(myU1,myV0))->Point(iu,iv)).X();
158 HCOINS->SetValue( SIZE+1+NDIMEN*iu+NDIMEN*(IORDRU+2)*iv, valnorm );
159 valnorm = rho * ((Constraints.Node(myU1,myV0))->Point(iu,iv)).Y();
160 HCOINS->SetValue( SIZE+2+NDIMEN*iu+NDIMEN*(IORDRU+2)*iv, valnorm );
161 valnorm = rho * ((Constraints.Node(myU1,myV0))->Point(iu,iv)).Z();
162 HCOINS->SetValue( SIZE+3+NDIMEN*iu+NDIMEN*(IORDRU+2)*iv, valnorm );
164 // F(U0,V1) and its derivatives normalized on (-1,1)
165 valnorm = rho * ((Constraints.Node(myU0,myV1))->Point(iu,iv)).X();
166 HCOINS->SetValue( 2*SIZE+1+NDIMEN*iu+NDIMEN*(IORDRU+2)*iv, valnorm );
167 valnorm = rho * ((Constraints.Node(myU0,myV1))->Point(iu,iv)).Y();
168 HCOINS->SetValue( 2*SIZE+2+NDIMEN*iu+NDIMEN*(IORDRU+2)*iv, valnorm );
169 valnorm = rho * ((Constraints.Node(myU0,myV1))->Point(iu,iv)).Z();
170 HCOINS->SetValue( 2*SIZE+3+NDIMEN*iu+NDIMEN*(IORDRU+2)*iv, valnorm );
172 // F(U1,V1) and its derivatives normalized on (-1,1)
173 valnorm = rho * ((Constraints.Node(myU1,myV1))->Point(iu,iv)).X();
174 HCOINS->SetValue( 3*SIZE+1+NDIMEN*iu+NDIMEN*(IORDRU+2)*iv, valnorm );
175 valnorm = rho * ((Constraints.Node(myU1,myV1))->Point(iu,iv)).Y();
176 HCOINS->SetValue( 3*SIZE+2+NDIMEN*iu+NDIMEN*(IORDRU+2)*iv, valnorm );
177 valnorm = rho * ((Constraints.Node(myU1,myV1))->Point(iu,iv)).Z();
178 HCOINS->SetValue( 3*SIZE+3+NDIMEN*iu+NDIMEN*(IORDRU+2)*iv, valnorm );
182 (Standard_Real *) &HCOINS ->ChangeArray1()(HCOINS ->Lower());
183 Standard_Real *C2 = C1 + SIZE;
184 Standard_Real *C3 = C2 + SIZE;
185 Standard_Real *C4 = C3 + SIZE;
187 // tables SomTab and Diftab of discretization of isos U=U0 and U=U1
188 // SU0, SU1, DU0 and DU1 are dimensioned in FORTRAN to
189 // (1+NBPNTV/2)*NDIMEN*(IORDRU+1)
191 SIZE = (1+NBPNTV/2)*NDIMEN;
193 Handle (TColStd_HArray1OfReal) HSU0
194 = new TColStd_HArray1OfReal(1,SIZE*(IORDRU+1));
195 HSU0 ->ChangeArray1() =
196 ( (Constraints.IsoU(myU0,myV0,myV1)).SomTab() ) ->Array1();
198 Handle (TColStd_HArray1OfReal) HDU0
199 = new TColStd_HArray1OfReal(1,SIZE*(IORDRU+1));
200 HDU0 ->ChangeArray1() =
201 ( (Constraints.IsoU(myU0,myV0,myV1)).DifTab() ) ->Array1();
203 Handle (TColStd_HArray1OfReal) HSU1
204 = new TColStd_HArray1OfReal(1,SIZE*(IORDRU+1));
205 HSU1 ->ChangeArray1() =
206 ( (Constraints.IsoU(myU1,myV0,myV1)).SomTab() ) ->Array1();
208 Handle (TColStd_HArray1OfReal) HDU1
209 = new TColStd_HArray1OfReal(1,SIZE*(IORDRU+1));
210 HDU1 ->ChangeArray1() =
211 ( (Constraints.IsoU(myU1,myV0,myV1)).DifTab() ) ->Array1();
214 Standard_Integer ideb1,ideb2,ideb3,ideb4,jj;
215 for (iu=1;iu<=IORDRU;iu++) {
217 ideb1 = HSU0->Lower() + iu*SIZE -1;
218 ideb2 = HDU0->Lower() + iu*SIZE -1;
219 ideb3 = HSU1->Lower() + iu*SIZE -1;
220 ideb4 = HDU1->Lower() + iu*SIZE -1;
221 for (jj=1;jj<=SIZE;jj++) {
222 HSU0 ->SetValue(ideb1+jj,rho*HSU0->Value(ideb1+jj));
223 HDU0 ->SetValue(ideb2+jj,rho*HDU0->Value(ideb2+jj));
224 HSU1 ->SetValue(ideb3+jj,rho*HSU1->Value(ideb3+jj));
225 HDU1 ->SetValue(ideb4+jj,rho*HDU1->Value(ideb4+jj));
230 (Standard_Real *) &HSU0 ->ChangeArray1()(HSU0 ->Lower());
232 (Standard_Real *) &HDU0 ->ChangeArray1()(HDU0 ->Lower());
234 (Standard_Real *) &HSU1 ->ChangeArray1()(HSU1 ->Lower());
236 (Standard_Real *) &HDU1 ->ChangeArray1()(HDU1 ->Lower());
238 // tables SomTab and Diftab of discretization of isos V=V0 and V=V1
239 // SU0, SU1, DU0 and DU1 are dimensioned in FORTRAN at
240 // (1+NBPNTU/2)*NDIMEN*(IORDRV+1)
242 SIZE = (1+NBPNTU/2)*NDIMEN;
244 Handle (TColStd_HArray1OfReal) HSV0
245 = new TColStd_HArray1OfReal(1,SIZE*(IORDRV+1));
246 HSV0 ->ChangeArray1() =
247 ( (Constraints.IsoV(myU0,myU1,myV0)).SomTab() ) ->Array1();
249 Handle (TColStd_HArray1OfReal) HDV0
250 = new TColStd_HArray1OfReal(1,SIZE*(IORDRV+1));
251 HDV0 ->ChangeArray1() =
252 ( (Constraints.IsoV(myU0,myU1,myV0)).DifTab() ) ->Array1();
254 Handle (TColStd_HArray1OfReal) HSV1
255 = new TColStd_HArray1OfReal(1,SIZE*(IORDRV+1));
256 HSV1 ->ChangeArray1() =
257 ( (Constraints.IsoV(myU0,myU1,myV1)).SomTab() ) ->Array1();
259 Handle (TColStd_HArray1OfReal) HDV1
260 = new TColStd_HArray1OfReal(1,SIZE*(IORDRV+1));
261 HDV1 ->ChangeArray1() =
262 ( (Constraints.IsoV(myU0,myU1,myV1)).DifTab() ) ->Array1();
265 for (iv=1;iv<=IORDRV;iv++) {
267 ideb1 = HSV0->Lower() + iv*SIZE -1;
268 ideb2 = HDV0->Lower() + iv*SIZE -1;
269 ideb3 = HSV1->Lower() + iv*SIZE -1;
270 ideb4 = HDV1->Lower() + iv*SIZE -1;
271 for (jj=1;jj<=SIZE;jj++) {
272 HSV0 ->SetValue(ideb1+jj,rho*HSV0->Value(ideb1+jj));
273 HDV0 ->SetValue(ideb2+jj,rho*HDV0->Value(ideb2+jj));
274 HSV1 ->SetValue(ideb3+jj,rho*HSV1->Value(ideb3+jj));
275 HDV1 ->SetValue(ideb4+jj,rho*HDV1->Value(ideb4+jj));
280 (Standard_Real *) &HSV0 ->ChangeArray1()(HSV0 ->Lower());
282 (Standard_Real *) &HDV0 ->ChangeArray1()(HDV0 ->Lower());
284 (Standard_Real *) &HSV1 ->ChangeArray1()(HSV1 ->Lower());
286 (Standard_Real *) &HDV1 ->ChangeArray1()(HDV1 ->Lower());
288 // SOSOTB and DIDITB are dimensioned in FORTRAN at
289 // (0:NBPNTU/2,0:NBPNTV/2,NDIMEN)
291 SIZE=(1+NBPNTU/2)*(1+NBPNTV/2)*NDIMEN;
293 Handle (TColStd_HArray1OfReal) HSOSO =
294 new TColStd_HArray1OfReal(1,SIZE);
295 Standard_Real *SOSOTB =
296 (Standard_Real *) &HSOSO ->ChangeArray1()(HSOSO ->Lower());
298 Handle (TColStd_HArray1OfReal) HDIDI =
299 new TColStd_HArray1OfReal(1,SIZE);
300 Standard_Real *DIDITB =
301 (Standard_Real *) &HDIDI ->ChangeArray1()(HDIDI ->Lower());
304 // SODITB and DISOTB are dimensioned in FORTRAN at
305 // (1:NBPNTU/2,1:NBPNTV/2,NDIMEN)
307 SIZE=(NBPNTU/2)*(NBPNTV/2)*NDIMEN;
309 Handle (TColStd_HArray1OfReal) HSODI =
310 new TColStd_HArray1OfReal(1,SIZE);
311 Standard_Real *SODITB =
312 (Standard_Real *) &HSODI ->ChangeArray1()(HSODI ->Lower());
314 Handle (TColStd_HArray1OfReal) HDISO =
315 new TColStd_HArray1OfReal(1,SIZE);
316 Standard_Real *DISOTB =
317 (Standard_Real *) &HDISO ->ChangeArray1()(HDISO ->Lower());
320 Standard_Integer IERCOD=0;
322 // discretization of polynoms of interpolation
323 AdvApp2Var_ApproxF2var::mma2cdi_(&NDIMEN,&NBPNTU,UROOT,&NBPNTV,VROOT,&IORDRU,&IORDRV,
324 C1,C2,C3,C4,SU0,SU1,DU0,DU1,SV0,SV1,DV0,DV1,
325 SOSOTB,SODITB,DISOTB,DIDITB,&IERCOD);
327 // discretization of the square
328 Standard_Real UDBFN[2],VDBFN[2];
334 SIZE = Max(NBPNTU,NBPNTV);
335 Handle (TColStd_HArray1OfReal) HTABLE =
336 new TColStd_HArray1OfReal(1,SIZE);
338 (Standard_Real *) &HTABLE ->ChangeArray1()(HTABLE ->Lower());
340 Handle (TColStd_HArray1OfReal) HPOINTS =
341 new TColStd_HArray1OfReal(1,SIZE*NDIMEN);
343 (Standard_Real *) &HPOINTS ->ChangeArray1()(HPOINTS ->Lower());
345 // GCC 3.0 would not accept this line without the void
346 // pointer cast. Perhaps the real problem is a definition
347 // somewhere that has a void * in it.
348 AdvApp2Var_ApproxF2var::mma2ds1_(&NDIMEN,
365 // the results are stored
367 myDiscIsDone = Standard_True;
374 myDiscIsDone = Standard_False;
378 //============================================================================
379 //function : HasResult
381 //============================================================================
383 Standard_Boolean AdvApp2Var_Patch::HasResult() const
388 //============================================================================
389 //function : IsApproximated
391 //============================================================================
393 Standard_Boolean AdvApp2Var_Patch::IsApproximated() const
398 //============================================================================
399 //function : AddConstraints
401 //============================================================================
403 void AdvApp2Var_Patch::AddConstraints(const AdvApp2Var_Context& Conditions,
404 const AdvApp2Var_Framework& Constraints)
406 // data stored in the Context
407 Standard_Integer NDIMEN;
408 Standard_Integer IERCOD, NCFLMU, NCFLMV, NDegU, NDegV;
409 NDIMEN = Conditions.TotalDimension();
410 // Attention : works only for 3D
411 NCFLMU = Conditions.ULimit();
412 NCFLMV = Conditions.VLimit();
416 // data relative to the patch
417 Standard_Integer IORDRU = myOrdInU, IORDRV = myOrdInV;
418 Standard_Real *PATCAN =
419 (Standard_Real *) &myEquation ->ChangeArray1()(myEquation ->Lower());
421 // curves of approximation of Isos U
422 Standard_Integer SIZE = NCFLMV*NDIMEN;
423 Handle (TColStd_HArray1OfReal) HIsoU0
424 = new TColStd_HArray1OfReal(1,SIZE*(IORDRU+1));
425 HIsoU0 -> ChangeArray1() =
426 (Constraints.IsoU(myU0,myV0,myV1)).Polynom() -> Array1();
427 Standard_Real *IsoU0 =
428 (Standard_Real *) &HIsoU0 ->ChangeArray1()(HIsoU0 ->Lower());
429 Handle (TColStd_HArray1OfInteger) HCFU0
430 = new TColStd_HArray1OfInteger(1,IORDRU+1);
431 Standard_Integer *NCFU0 =
432 (Standard_Integer *) &HCFU0 ->ChangeArray1()(HCFU0 ->Lower());
433 HCFU0->Init( (Constraints.IsoU(myU0,myV0,myV1)).NbCoeff() );
435 Handle (TColStd_HArray1OfReal) HIsoU1
436 = new TColStd_HArray1OfReal(1,SIZE*(IORDRU+1));
437 HIsoU1 -> ChangeArray1() =
438 (Constraints.IsoU(myU1,myV0,myV1)).Polynom() -> Array1();
439 Standard_Real *IsoU1 =
440 (Standard_Real *) &HIsoU1 ->ChangeArray1()(HIsoU1 ->Lower());
441 Handle (TColStd_HArray1OfInteger) HCFU1
442 = new TColStd_HArray1OfInteger(1,IORDRU+1);
443 Standard_Integer *NCFU1 =
444 (Standard_Integer *) &HCFU1 ->ChangeArray1()(HCFU1 ->Lower());
445 HCFU1->Init( (Constraints.IsoU(myU1,myV0,myV1)).NbCoeff() );
447 // normalization of Isos U
448 Standard_Integer iu,iv;
449 Standard_Real du=(myU1-myU0)/2,dv=(myV1-myV0)/2,rho,valnorm;
450 Standard_Integer ideb0,ideb1,jj;
452 for (iu=1;iu<=IORDRU;iu++) {
454 ideb0 = HIsoU0->Lower() + iu*SIZE -1;
455 ideb1 = HIsoU1->Lower() + iu*SIZE -1;
456 for (jj=1;jj<=SIZE;jj++) {
457 HIsoU0->SetValue(ideb0+jj,rho*HIsoU0->Value(ideb0+jj));
458 HIsoU1->SetValue(ideb1+jj,rho*HIsoU1->Value(ideb1+jj));
462 // curves of approximation of Isos V
463 SIZE = NCFLMU*NDIMEN;
464 Handle (TColStd_HArray1OfReal) HIsoV0
465 = new TColStd_HArray1OfReal(1,SIZE*(IORDRV+1));
466 HIsoV0 -> ChangeArray1() =
467 (Constraints.IsoV(myU0,myU1,myV0)).Polynom() -> Array1();
468 Standard_Real *IsoV0 =
469 (Standard_Real *) &HIsoV0 ->ChangeArray1()(HIsoV0 ->Lower());
470 Handle (TColStd_HArray1OfInteger) HCFV0
471 = new TColStd_HArray1OfInteger(1,IORDRV+1);
472 Standard_Integer *NCFV0 =
473 (Standard_Integer *) &HCFV0 ->ChangeArray1()(HCFV0 ->Lower());
474 HCFV0->Init( (Constraints.IsoV(myU0,myU1,myV0)).NbCoeff() );
476 Handle (TColStd_HArray1OfReal) HIsoV1
477 = new TColStd_HArray1OfReal(1,SIZE*(IORDRV+1));
478 HIsoV1 -> ChangeArray1() =
479 (Constraints.IsoV(myU0,myU1,myV1)).Polynom() -> Array1();
480 Standard_Real *IsoV1 =
481 (Standard_Real *) &HIsoV1 ->ChangeArray1()(HIsoV1 ->Lower());
482 Handle (TColStd_HArray1OfInteger) HCFV1
483 = new TColStd_HArray1OfInteger(1,IORDRV+1);
484 Standard_Integer *NCFV1 =
485 (Standard_Integer *) &HCFV1 ->ChangeArray1()(HCFV1 ->Lower());
486 HCFV1->Init( (Constraints.IsoV(myU0,myU1,myV1)).NbCoeff() );
488 // normalization of Isos V
489 for (iv=1;iv<=IORDRV;iv++) {
491 ideb0 = HIsoV0->Lower() + iv*SIZE -1;
492 ideb1 = HIsoV1->Lower() + iv*SIZE -1;
493 for (jj=1;jj<=SIZE;jj++) {
494 HIsoV0 ->SetValue(ideb0+jj,rho*HIsoV0->Value(ideb0+jj));
495 HIsoV1->SetValue(ideb1+jj,rho*HIsoV1->Value(ideb1+jj));
499 // add constraints to constant V
500 Handle (TColStd_HArray1OfReal) HHERMV
501 = new TColStd_HArray1OfReal(1,(2*IORDRV+2)*(2*IORDRV+2));
502 Standard_Real *HermV =
503 (Standard_Real *) &HHERMV ->ChangeArray1()(HHERMV ->Lower());
505 AdvApp2Var_ApproxF2var::mma1her_(&IORDRV,HermV,&IERCOD);
507 throw Standard_ConstructionError("AdvApp2Var_Patch::AddConstraints : Error in FORTRAN");
509 AdvApp2Var_ApproxF2var::mma2ac2_(&NDIMEN,
522 // add constraints to constant U
523 Handle (TColStd_HArray1OfReal) HHERMU
524 = new TColStd_HArray1OfReal(1,(2*IORDRU+2)*(2*IORDRU+2));
525 Standard_Real *HermU =
526 (Standard_Real *) &HHERMU ->ChangeArray1()(HHERMU ->Lower());
528 AdvApp2Var_ApproxF2var::mma1her_(&IORDRU,HermU,&IERCOD);
530 throw Standard_ConstructionError("AdvApp2Var_Patch::AddConstraints : Error in FORTRAN");
532 AdvApp2Var_ApproxF2var::mma2ac3_(&NDIMEN,&NDegU,&NDegV,&IORDRU,&NCFLMV,
533 NCFU0,IsoU0,NCFU1,IsoU1,HermU,PATCAN);
536 // add constraints at the corners
537 Standard_Integer ideb;
538 SIZE=NDIMEN*(IORDRU+2)*(IORDRV+2);
539 Handle (TColStd_HArray1OfReal) HCOINS =
540 new TColStd_HArray1OfReal(1,SIZE*4);
542 for (iu=0;iu<=myOrdInU;iu++) {
543 for (iv=0;iv<=myOrdInV;iv++) {
544 rho = pow(du,iu)*pow(dv,iv);
546 // -F(U0,V0) and its derivatives normalized on (-1,1)
547 ideb = HCOINS->Lower() + NDIMEN*iu+NDIMEN*(IORDRU+2)*iv - 1;
548 valnorm = -rho * ((Constraints.Node(myU0,myV0))->Point(iu,iv)).X();
549 HCOINS->SetValue( 1+ideb , valnorm );
550 valnorm = -rho * ((Constraints.Node(myU0,myV0))->Point(iu,iv)).Y();
551 HCOINS->SetValue( 2+ideb , valnorm );
552 valnorm = -rho * ((Constraints.Node(myU0,myV0))->Point(iu,iv)).Z();
553 HCOINS->SetValue( 3+ideb , valnorm );
555 // -F(U1,V0) and its derivatives normalized on (-1,1)
557 valnorm = -rho * ((Constraints.Node(myU1,myV0))->Point(iu,iv)).X();
558 HCOINS->SetValue( 1+ideb , valnorm );
559 valnorm = -rho * ((Constraints.Node(myU1,myV0))->Point(iu,iv)).Y();
560 HCOINS->SetValue( 2+ideb , valnorm );
561 valnorm = -rho * ((Constraints.Node(myU1,myV0))->Point(iu,iv)).Z();
562 HCOINS->SetValue( 3+ideb , valnorm );
564 // -F(U0,V1) and its derivatives normalized on (-1,1)
566 valnorm = -rho * ((Constraints.Node(myU0,myV1))->Point(iu,iv)).X();
567 HCOINS->SetValue( 1+ideb , valnorm );
568 valnorm = -rho * ((Constraints.Node(myU0,myV1))->Point(iu,iv)).Y();
569 HCOINS->SetValue( 2+ideb , valnorm );
570 valnorm = -rho * ((Constraints.Node(myU0,myV1))->Point(iu,iv)).Z();
571 HCOINS->SetValue( 3+ideb , valnorm );
573 // -F(U1,V1) and its derivatives normalized on (-1,1)
575 valnorm = -rho * ((Constraints.Node(myU1,myV1))->Point(iu,iv)).X();
576 HCOINS->SetValue( 1+ideb , valnorm );
577 valnorm = -rho * ((Constraints.Node(myU1,myV1))->Point(iu,iv)).Y();
578 HCOINS->SetValue( 2+ideb , valnorm );
579 valnorm = -rho * ((Constraints.Node(myU1,myV1))->Point(iu,iv)).Z();
580 HCOINS->SetValue( 3+ideb , valnorm );
584 // tables required for FORTRAN
585 Standard_Integer IORDMX = Max(IORDRU,IORDRV);
586 Handle (TColStd_HArray1OfReal) HEXTR =
587 new TColStd_HArray1OfReal(1,2*IORDMX+2);
588 Standard_Real *EXTR =
589 (Standard_Real *) &HEXTR ->ChangeArray1()(HEXTR ->Lower());
590 Handle (TColStd_HArray1OfReal) HFACT =
591 new TColStd_HArray1OfReal(1,IORDMX+1);
592 Standard_Real *FACT =
593 (Standard_Real *) &HFACT ->ChangeArray1()(HFACT ->Lower());
595 Standard_Integer idim,ncf0,ncf1,iun=1;
598 // add extremities of isos U
599 for (iu=1;iu<=IORDRU+1;iu++) {
600 ncf0 = HCFU0->Value(HCFU0->Lower()+iu-1);
601 ncf1 = HCFU1->Value(HCFU1->Lower()+iu-1);
602 for (idim=1;idim<=NDIMEN;idim++) {
603 Is = IsoU0 + NCFLMV*(idim-1) + NCFLMV*NDIMEN*(iu-1);
604 AdvApp2Var_MathBase::mmdrc11_(&IORDRV,&iun,&ncf0,Is,EXTR,FACT);
605 for (iv=1;iv<=IORDRV+1;iv++) {
606 ideb = HCOINS->Lower() + NDIMEN*(iu-1)+NDIMEN*(IORDRU+2)*(iv-1) - 1;
607 HCOINS->ChangeValue(idim+ideb) += HEXTR->Value(1+2*(iv-1));
608 HCOINS->ChangeValue(2*SIZE+idim+ideb) += HEXTR->Value(2+2*(iv-1));
610 Is = IsoU1 + NCFLMV*(idim-1) + NCFLMV*NDIMEN*(iu-1);
611 AdvApp2Var_MathBase::mmdrc11_(&IORDRV,&iun,&ncf1,Is,EXTR,FACT);
612 for (iv=1;iv<=IORDRV+1;iv++) {
613 ideb = HCOINS->Lower() + NDIMEN*(iu-1)+NDIMEN*(IORDRU+2)*(iv-1) - 1;
614 HCOINS->ChangeValue(SIZE+idim+ideb) += HEXTR->Value(1+2*(iv-1));
615 HCOINS->ChangeValue(3*SIZE+idim+ideb) += HEXTR->Value(2+2*(iv-1));
620 // add extremities of isos V
621 for (iv=1;iv<=IORDRV+1;iv++) {
622 ncf0 = HCFV0->Value(HCFV0->Lower()+iv-1);
623 ncf1 = HCFV1->Value(HCFV1->Lower()+iv-1);
624 for (idim=1;idim<=NDIMEN;idim++) {
625 Is = IsoV0 + NCFLMU*(idim-1) + NCFLMU*NDIMEN*(iv-1);
626 AdvApp2Var_MathBase::mmdrc11_(&IORDRU,&iun,&ncf0,Is,EXTR,FACT);
627 for (iu=1;iu<=IORDRU+1;iu++) {
628 ideb = HCOINS->Lower() + NDIMEN*(iu-1)+NDIMEN*(IORDRU+2)*(iv-1) - 1;
629 HCOINS->ChangeValue(idim+ideb) += HEXTR->Value(1+2*(iu-1));
630 HCOINS->ChangeValue(SIZE+idim+ideb) += HEXTR->Value(2+2*(iu-1));
632 Is = IsoV1 + NCFLMU*(idim-1) + NCFLMU*NDIMEN*(iv-1);
633 AdvApp2Var_MathBase::mmdrc11_(&IORDRU,&iun,&ncf1,Is,EXTR,FACT);
634 for (iu=1;iu<=IORDRU+1;iu++) {
635 ideb = HCOINS->Lower() + NDIMEN*(iu-1)+NDIMEN*(IORDRU+2)*(iv-1) - 1;
636 HCOINS->ChangeValue(2*SIZE+idim+ideb) += HEXTR->Value(1+2*(iu-1));
637 HCOINS->ChangeValue(3*SIZE+idim+ideb) += HEXTR->Value(2+2*(iu-1));
644 (Standard_Real *) &HCOINS ->ChangeArray1()(HCOINS ->Lower());
645 Standard_Real *C2 = C1 + SIZE;
646 Standard_Real *C3 = C2 + SIZE;
647 Standard_Real *C4 = C3 + SIZE;
648 if ( IORDRU>=0 && IORDRV>=0 ) {
649 AdvApp2Var_ApproxF2var::mma2ac1_(&NDIMEN,&NDegU,&NDegV,&IORDRU,&IORDRV,
650 C1,C2,C3,C4,HermU,HermV,PATCAN);
654 //============================================================================
655 //function : AddErrors
657 //============================================================================
659 void AdvApp2Var_Patch::AddErrors(const AdvApp2Var_Framework& Constraints)
661 Standard_Integer NBSESP = 1, iesp;
662 Standard_Integer iu,iv;
664 Standard_Real errU,errV,error,hmax[4];
670 for (iesp=1;iesp<=NBSESP;iesp++) {
671 // error max in sub-space iesp
673 for (iv=1;iv<=myOrdInV+1;iv++) {
674 error = ((Constraints.IsoV(myU0,myU1,myV0)).MaxErrors())->Value(iesp,iv);
675 errU = Max(errU,error);
676 error = ((Constraints.IsoV(myU0,myU1,myV1)).MaxErrors())->Value(iesp,iv);
677 errU = Max(errU,error);
680 for (iu=1;iu<=myOrdInU+1;iu++) {
681 error = ((Constraints.IsoU(myU0,myV0,myV1)).MaxErrors())->Value(iesp,iu);
682 errV = Max(errV,error);
683 error = ((Constraints.IsoU(myU1,myV0,myV1)).MaxErrors())->Value(iesp,iu);
684 errV = Max(errV,error);
686 myMaxErrors->ChangeValue(iesp) +=
687 errU * hmax[myOrdInV+1] + errV * hmax[myOrdInU+1];
689 // average error in sub-space iesp
691 for (iv=1;iv<=myOrdInV+1;iv++) {
692 error = ((Constraints.IsoV(myU0,myU1,myV0)).MoyErrors())->Value(iesp,iv);
693 errU = Max(errU,error);
694 error = ((Constraints.IsoV(myU0,myU1,myV1)).MoyErrors())->Value(iesp,iv);
695 errU = Max(errU,error);
698 for (iu=1;iu<=myOrdInU+1;iu++) {
699 error = ((Constraints.IsoU(myU0,myV0,myV1)).MoyErrors())->Value(iesp,iu);
700 errV = Max(errV,error);
701 error = ((Constraints.IsoU(myU1,myV0,myV1)).MoyErrors())->Value(iesp,iu);
702 errV = Max(errV,error);
704 error = myMoyErrors->Value(iesp);
706 error += errU*hmax[myOrdInV+1] * errU*hmax[myOrdInV+1]
707 + errV*hmax[myOrdInU+1] * errV*hmax[myOrdInU+1];
708 myMoyErrors->SetValue(iesp,Sqrt(error));
710 // max errors at iso-borders
711 Handle (TColStd_HArray2OfReal) HERISO
712 = new TColStd_HArray2OfReal(1,NBSESP,1,4);
713 HERISO->SetValue(iesp,1,
714 ((Constraints.IsoV(myU0,myU1,myV0)).MaxErrors())->Value(iesp,1));
715 HERISO->SetValue(iesp,2,
716 ((Constraints.IsoV(myU0,myU1,myV1)).MaxErrors())->Value(iesp,1));
717 HERISO->SetValue(iesp,3,
718 ((Constraints.IsoU(myU0,myV0,myV1)).MaxErrors())->Value(iesp,1));
719 HERISO->SetValue(iesp,4,
720 ((Constraints.IsoU(myU1,myV0,myV1)).MaxErrors())->Value(iesp,1));
722 // calculate max errors at the corners
723 Standard_Real emax1=0.,emax2=0.,emax3=0.,emax4=0.,err1,err2,err3,err4;
724 for (iu=0;iu<=myOrdInU;iu++) {
725 for (iv=0;iv<=myOrdInV;iv++) {
726 error = (Constraints.Node(myU0,myV0))->Error(iu,iv);
727 emax1 = Max(emax1,error);
728 error = (Constraints.Node(myU1,myV0))->Error(iu,iv);
729 emax2 = Max(emax2,error);
730 error = (Constraints.Node(myU0,myV1))->Error(iu,iv);
731 emax3 = Max(emax3,error);
732 error = (Constraints.Node(myU1,myV1))->Error(iu,iv);
733 emax4 = Max(emax4,error);
737 // calculate max errors on borders
738 err1 = Max(emax1,emax2);
739 err2 = Max(emax3,emax4);
740 err3 = Max(emax1,emax3);
741 err4 = Max(emax2,emax4);
743 // calculate final errors on internal isos
744 if ( (Constraints.IsoV(myU0,myU1,myV0)).Position() == 0 ) {
745 HERISO ->ChangeValue(iesp,1) += err1*hmax[myOrdInU+1];
747 if ( (Constraints.IsoV(myU0,myU1,myV1)).Position() == 0 ) {
748 HERISO ->ChangeValue(iesp,2) += err2*hmax[myOrdInU+1];
750 if ( (Constraints.IsoU(myU0,myV0,myV1)).Position() == 0 ) {
751 HERISO ->ChangeValue(iesp,3) += err3*hmax[myOrdInV+1];
753 if ( (Constraints.IsoU(myU1,myV0,myV1)).Position() == 0 ) {
754 HERISO ->ChangeValue(iesp,4) += err4*hmax[myOrdInV+1];
756 myIsoErrors = HERISO;
760 //============================================================================
761 //function : MakeApprox
763 //============================================================================
765 void AdvApp2Var_Patch::MakeApprox(const AdvApp2Var_Context& Conditions,
766 const AdvApp2Var_Framework& Constraints,
767 const Standard_Integer NumDec)
770 // data stored in the Context
771 Standard_Integer NDIMEN, NBSESP, NDIMSE;
772 Standard_Integer NBPNTU, NBPNTV, NCFLMU, NCFLMV, NDJACU, NDJACV;
773 Standard_Integer NDegU, NDegV, NJacU, NJacV;
774 NDIMEN = Conditions.TotalDimension();
775 NBSESP = Conditions.TotalNumberSSP();
777 NBPNTU = (Conditions.URoots())->Length();
778 if (myOrdInU>-1) NBPNTU -= 2;
779 NBPNTV = (Conditions.VRoots())->Length();
780 if (myOrdInV>-1) NBPNTV -= 2;
781 NCFLMU = Conditions.ULimit();
782 NCFLMV = Conditions.VLimit();
785 NDJACU = Conditions.UJacDeg();
786 NDJACV = Conditions.VJacDeg();
790 // data relative to the processed patch
791 Standard_Integer IORDRU = myOrdInU, IORDRV = myOrdInV,
792 NDMINU = 1, NDMINV = 1, NCOEFU, NCOEFV;
793 // NDMINU and NDMINV depend on the nb of coeff of neighboring isos
794 // and of the required order of continuity
795 NDMINU = Max(1,2*IORDRU+1);
796 NCOEFU = (Constraints.IsoV(myU0,myU1,myV0)).NbCoeff()-1;
797 NDMINU = Max(NDMINU,NCOEFU);
798 NCOEFU = (Constraints.IsoV(myU0,myU1,myV1)).NbCoeff()-1;
799 NDMINU = Max(NDMINU,NCOEFU);
801 NDMINV = Max(1,2*IORDRV+1);
802 NCOEFV = (Constraints.IsoU(myU0,myV0,myV1)).NbCoeff()-1;
803 NDMINV = Max(NDMINV,NCOEFV);
804 NCOEFV = (Constraints.IsoU(myU1,myV0,myV1)).NbCoeff()-1;
805 NDMINV = Max(NDMINV,NCOEFV);
807 // tables of approximations
808 Handle (TColStd_HArray1OfReal) HEPSAPR =
809 new TColStd_HArray1OfReal(1,NBSESP);
810 Handle (TColStd_HArray1OfReal) HEPSFRO =
811 new TColStd_HArray1OfReal(1,NBSESP*8);
812 Standard_Integer iesp;
813 for (iesp=1;iesp<=NBSESP;iesp++) {
814 HEPSAPR->SetValue(iesp,(Conditions.IToler())->Value(iesp));
815 HEPSFRO->SetValue(iesp,(Conditions.FToler())->Value(iesp,1));
816 HEPSFRO->SetValue(iesp+NBSESP,(Conditions.FToler())->Value(iesp,2));
817 HEPSFRO->SetValue(iesp+2*NBSESP,(Conditions.FToler())->Value(iesp,3));
818 HEPSFRO->SetValue(iesp+3*NBSESP,(Conditions.FToler())->Value(iesp,4));
819 HEPSFRO->SetValue(iesp+4*NBSESP,(Conditions.CToler())->Value(iesp,1));
820 HEPSFRO->SetValue(iesp+5*NBSESP,(Conditions.CToler())->Value(iesp,2));
821 HEPSFRO->SetValue(iesp+6*NBSESP,(Conditions.CToler())->Value(iesp,3));
822 HEPSFRO->SetValue(iesp+7*NBSESP,(Conditions.CToler())->Value(iesp,4));
824 Standard_Real *EPSAPR =
825 (Standard_Real *) &HEPSAPR ->ChangeArray1()(HEPSAPR ->Lower());
826 Standard_Real *EPSFRO =
827 (Standard_Real *) &HEPSFRO ->ChangeArray1()(HEPSFRO ->Lower());
829 Standard_Integer SIZE=(1+NDJACU)*(1+NDJACV)*NDIMEN;
830 Handle (TColStd_HArray1OfReal) HPJAC =
831 new TColStd_HArray1OfReal(1,SIZE);
832 Standard_Real *PATJAC =
833 (Standard_Real *) &HPJAC ->ChangeArray1()(HPJAC ->Lower());
835 Handle (TColStd_HArray1OfReal) HPAUX =
836 new TColStd_HArray1OfReal(1,SIZE);
837 Standard_Real *PATAUX =
838 (Standard_Real *) &HPAUX ->ChangeArray1()(HPAUX ->Lower());
839 SIZE=NCFLMU*NCFLMV*NDIMEN;
840 Handle (TColStd_HArray1OfReal) HPCAN =
841 new TColStd_HArray1OfReal(1,SIZE);
842 Standard_Real *PATCAN =
843 (Standard_Real *) &HPCAN ->ChangeArray1()(HPCAN ->Lower());
844 Handle (TColStd_HArray1OfReal) HERRMAX =
845 new TColStd_HArray1OfReal(1,NBSESP);
846 Standard_Real *ERRMAX =
847 (Standard_Real *) &HERRMAX ->ChangeArray1()(HERRMAX ->Lower());
848 Handle (TColStd_HArray1OfReal) HERRMOY =
849 new TColStd_HArray1OfReal(1,NBSESP);
850 Standard_Real *ERRMOY =
851 (Standard_Real *) &HERRMOY ->ChangeArray1()(HERRMOY ->Lower());
853 // tables of discretization of the square
854 Standard_Real *SOSOTB =
855 (Standard_Real *) &mySosoTab ->ChangeArray1()(mySosoTab ->Lower());
856 Standard_Real *DISOTB =
857 (Standard_Real *) &myDisoTab ->ChangeArray1()(myDisoTab ->Lower());
858 Standard_Real *SODITB =
859 (Standard_Real *) &mySodiTab ->ChangeArray1()(mySodiTab ->Lower());
860 Standard_Real *DIDITB =
861 (Standard_Real *) &myDidiTab ->ChangeArray1()(myDidiTab ->Lower());
864 Standard_Integer ITYDEC=0, IERCOD=0;
865 Standard_Integer iun=1,itrois=3;
868 AdvApp2Var_ApproxF2var::mma2ce1_((integer *)&NumDec,
897 if (ITYDEC == 0 && IERCOD<=0) {
898 myHasResult = Standard_True;
899 myApprIsDone = (IERCOD==0);
900 myNbCoeffInU = NCOEFU+1;
901 myNbCoeffInV = NCOEFV+1;
902 myMaxErrors = HERRMAX;
903 myMoyErrors = HERRMOY;
905 // Passage to canonic on [-1,1]
906 AdvApp2Var_MathBase::mmfmca9_(&NJacU,&NJacV,&NDIMEN,&myNbCoeffInU,&myNbCoeffInV,
907 &NDIMEN,PATJAC,PATJAC);
908 AdvApp2Var_ApproxF2var::mma2can_(&NCFLMU,&NCFLMV,&NDIMEN,
909 &myOrdInU,&myOrdInV,&myNbCoeffInU,
911 PATJAC,PATAUX,PATCAN,&IERCOD);
913 throw Standard_ConstructionError("AdvApp2Var_Patch::MakeApprox : Error in FORTRAN");
917 // Add constraints and errors
918 AddConstraints(Conditions,Constraints);
919 AddErrors(Constraints);
921 // Reduction of degrees if possible
922 PATCAN = (Standard_Real *)
923 &myEquation->ChangeArray1()(myEquation ->Lower());
925 AdvApp2Var_ApproxF2var::mma2fx6_(&NCFLMU,
941 // transposition (NCFLMU,NCFLMV,NDIMEN)Fortran-C++
942 Standard_Integer aIU, aIN, dim, ii, jj;
943 for (dim=1; dim<=NDIMEN; dim++){
944 aIN = (dim-1)*NCFLMU*NCFLMV;
945 for (ii=1; ii<=NCFLMU; ii++) {
946 aIU = (ii-1)*NDIMEN*NCFLMV;
947 for (jj=1; jj<=NCFLMV; jj++) {
948 HPAUX->SetValue(dim+NDIMEN*(jj-1)+aIU ,
949 myEquation->Value(ii+NCFLMU*(jj-1)+aIN) );
956 myApprIsDone = Standard_False;
957 myHasResult = Standard_False;
961 //============================================================================
962 //function : ChangeDomain
964 //============================================================================
966 void AdvApp2Var_Patch::ChangeDomain(const Standard_Real a,
967 const Standard_Real b,
968 const Standard_Real c,
969 const Standard_Real d)
977 //============================================================================
978 //function : ResetApprox
979 //purpose : allows removing a result when it is necessary to cut
980 //============================================================================
982 void AdvApp2Var_Patch::ResetApprox()
984 myApprIsDone = Standard_False;
985 myHasResult = Standard_False;
988 //============================================================================
989 //function : OverwriteApprox
990 //purpose : allows preserving a result even if the precision is not satisfactory
991 //============================================================================
993 void AdvApp2Var_Patch::OverwriteApprox()
995 if (myHasResult) myApprIsDone = Standard_True;
998 //============================================================================
1001 //============================================================================
1003 Standard_Real AdvApp2Var_Patch::U0() const
1008 //============================================================================
1011 //============================================================================
1013 Standard_Real AdvApp2Var_Patch::U1() const
1018 //============================================================================
1021 //============================================================================
1023 Standard_Real AdvApp2Var_Patch::V0() const
1028 //============================================================================
1031 //============================================================================
1033 Standard_Real AdvApp2Var_Patch::V1() const
1038 //============================================================================
1041 //============================================================================
1043 Standard_Integer AdvApp2Var_Patch::UOrder() const
1049 //============================================================================
1052 //============================================================================
1054 Standard_Integer AdvApp2Var_Patch::VOrder() const
1060 //============================================================================
1061 //function : CutSense without Critere
1062 //purpose : 0 : OK; 1 : required cut by U;
1063 // 2 : required cut by V; 3 : required cut by U and by V
1064 //============================================================================
1066 Standard_Integer AdvApp2Var_Patch::CutSense() const
1072 //============================================================================
1073 //function : CutSense with critere
1074 //purpose : 0 : OK; 1 : required cut by U;
1075 // 2 : required cut by V; 3 : required cut by U and by V
1076 //============================================================================
1078 Standard_Integer AdvApp2Var_Patch::CutSense(const AdvApp2Var_Criterion& Crit,
1079 const Standard_Integer NumDec) const
1081 Standard_Boolean CritRel = (Crit.Type() == AdvApp2Var_Relative);
1082 if ( CritRel && !IsApproximated()) {
1086 if (Crit.IsSatisfied(*this)) {
1096 //============================================================================
1097 //function : NbCoeffInU
1099 //============================================================================
1101 Standard_Integer AdvApp2Var_Patch::NbCoeffInU() const
1103 return myNbCoeffInU;
1106 //============================================================================
1107 //function : NbCoeffInV
1109 //============================================================================
1111 Standard_Integer AdvApp2Var_Patch::NbCoeffInV() const
1113 return myNbCoeffInV;
1116 //============================================================================
1117 //function : ChangeNbCoeff
1118 //purpose : allows increasing the nb of coeff (cf Network)
1119 //============================================================================
1121 void AdvApp2Var_Patch::ChangeNbCoeff(const Standard_Integer NbCoeffU,
1122 const Standard_Integer NbCoeffV)
1124 if (myNbCoeffInU<NbCoeffU) myNbCoeffInU = NbCoeffU;
1125 if (myNbCoeffInV<NbCoeffV) myNbCoeffInV = NbCoeffV;
1128 //============================================================================
1129 //function : MaxErrors
1130 //purpose : returns max errors of polynomial approximation
1131 //============================================================================
1133 Handle(TColStd_HArray1OfReal)
1134 AdvApp2Var_Patch::MaxErrors() const
1139 //============================================================================
1140 //function : AverageErrors
1141 //purpose : returns average errors of polynomial approximation
1142 //============================================================================
1144 Handle(TColStd_HArray1OfReal)
1145 AdvApp2Var_Patch::AverageErrors() const
1150 //============================================================================
1151 //function : IsoErrors
1152 //purpose : returns max errors on borders of polynomial approximation
1153 //============================================================================
1155 Handle(TColStd_HArray2OfReal)
1156 AdvApp2Var_Patch::IsoErrors() const
1161 //============================================================================
1163 //purpose : returns poles of the polynomial approximation
1164 //============================================================================
1166 Handle(TColgp_HArray2OfPnt)
1167 AdvApp2Var_Patch::Poles(const Standard_Integer SSPIndex,
1168 const AdvApp2Var_Context & Cond) const
1170 Handle(TColStd_HArray1OfReal) SousEquation;
1171 if ( Cond.TotalNumberSSP( ) == 1 && SSPIndex == 1 ) {
1172 SousEquation = myEquation;
1175 throw Standard_ConstructionError("AdvApp2Var_Patch::Poles : SSPIndex out of range");
1177 Handle(TColStd_HArray1OfReal) Intervalle =
1178 new (TColStd_HArray1OfReal) (1,2);
1179 Intervalle->SetValue(1, -1);
1180 Intervalle->SetValue(2, 1);
1183 Handle(TColStd_HArray1OfInteger) NbCoeff =
1184 new (TColStd_HArray1OfInteger) (1,2);
1185 NbCoeff->SetValue(1, myNbCoeffInU);
1186 NbCoeff->SetValue(2, myNbCoeffInV);
1189 Convert_GridPolynomialToPoles
1190 Conv (Cond.ULimit()-1,
1197 return Conv.Poles();
1201 //============================================================================
1202 //function : Coefficients
1203 //purpose : returns coeff. of the equation of polynomial approximation
1204 //============================================================================
1206 Handle(TColStd_HArray1OfReal)
1207 AdvApp2Var_Patch::Coefficients(const Standard_Integer SSPIndex,
1208 const AdvApp2Var_Context & Cond) const
1210 Handle(TColStd_HArray1OfReal) SousEquation;
1211 if ( Cond.TotalNumberSSP( ) == 1 && SSPIndex == 1 ) {
1212 SousEquation = myEquation;
1215 throw Standard_ConstructionError("AdvApp2Var_Patch::Poles : SSPIndex out of range");
1217 return SousEquation;
1221 //============================================================================
1222 //function : CritValue
1224 //============================================================================
1226 Standard_Real AdvApp2Var_Patch::CritValue() const
1232 //============================================================================
1233 //function : SetCritValue
1235 //============================================================================
1237 void AdvApp2Var_Patch::SetCritValue(const Standard_Real dist)