0024510: Remove unused local variables
[occt.git] / src / IntPatch / IntPatch_ImpPrmIntersection.cxx
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b311480e 1// Created on: 1992-05-07
2// Created by: Jacques GOUSSARD
3// Copyright (c) 1992-1999 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//
973c2be1 8// This library is free software; you can redistribute it and / or modify it
9// under the terms of the GNU Lesser General Public 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.
b311480e 13//
973c2be1 14// Alternatively, this file may be used under the terms of Open CASCADE
15// commercial license or contractual agreement.
7fd59977 16
17#include <IntPatch_ImpPrmIntersection.ixx>
18
19#include <Standard_ConstructionError.hxx>
20#include <IntPatch_SequenceOfLine.hxx>
21#include <TColStd_Array1OfInteger.hxx>
22#include <IntSurf_PntOn2S.hxx>
23#include <IntSurf_LineOn2S.hxx>
24#include <IntSurf.hxx>
25
26#include <Adaptor2d_HCurve2d.hxx>
27#include <IntSurf_PathPoint.hxx>
28#include <IntSurf_SequenceOfPathPoint.hxx>
29#include <IntPatch_TheIWalking.hxx>
30#include <IntPatch_TheIWLineOfTheIWalking.hxx>
31#include <IntPatch_ThePathPointOfTheSOnBounds.hxx>
32#include <IntPatch_TheSegmentOfTheSOnBounds.hxx>
33#include <IntPatch_TheSurfFunction.hxx>
34#include <IntPatch_RLine.hxx>
35#include <IntPatch_WLine.hxx>
36#include <IntPatch_ArcFunction.hxx>
37#include <IntPatch_RstInt.hxx>
38
39//=======================================================================
40//function : IntPatch_ImpPrmIntersection
41//purpose :
42//=======================================================================
43
44IntPatch_ImpPrmIntersection::IntPatch_ImpPrmIntersection ()
45 : done(Standard_False),
46 empt(Standard_False),
47 myIsStartPnt(Standard_False),
48 myUStart(0.0),
49 myVStart(0.0)
50{ }
51
52
53//=======================================================================
54//function : IntPatch_ImpPrmIntersection
55//purpose :
56//=======================================================================
57
58IntPatch_ImpPrmIntersection::IntPatch_ImpPrmIntersection
59 (const Handle(Adaptor3d_HSurface)& Surf1,
60 const Handle(Adaptor3d_TopolTool)& D1,
61 const Handle(Adaptor3d_HSurface)& Surf2,
62 const Handle(Adaptor3d_TopolTool)& D2,
63 const Standard_Real TolArc,
64 const Standard_Real TolTang,
65 const Standard_Real Fleche,
66 const Standard_Real Pas)
67 : done(Standard_False),
68 empt(Standard_False),
69 myIsStartPnt(Standard_False),
70 myUStart(0.0),
71 myVStart(0.0)
72{
73 Perform(Surf1,D1,Surf2,D2,TolArc,TolTang,Fleche,Pas);
74}
75
76
77//=======================================================================
78//function : SetStartPoint
79//purpose :
80//=======================================================================
81
82void IntPatch_ImpPrmIntersection::SetStartPoint(const Standard_Real U,
83 const Standard_Real V)
84{
85 myIsStartPnt = Standard_True;
86 myUStart = U; myVStart = V;
87}
88
89#ifndef DEB
90#define No_Standard_RangeError
91#define No_Standard_OutOfRange
92#endif
93
94
95#include <math_Vector.hxx>
96#include <math_Matrix.hxx>
97#include <TopTrans_CurveTransition.hxx>
98#include <TopAbs_State.hxx>
99#include <TopAbs_Orientation.hxx>
100#include <TColStd_Array1OfInteger.hxx>
101#include <TColStd_Array1OfReal.hxx>
102
103#include <IntSurf_SequenceOfInteriorPoint.hxx>
104#include <IntSurf_QuadricTool.hxx>
105#include <GeomAbs_SurfaceType.hxx>
106
107
108static void DecomposeResult(Handle(IntPatch_Line)& Line,
109 Standard_Boolean IsReversed,
110 IntSurf_Quadric& Quad,
111 Handle(Adaptor3d_TopolTool)& PDomain,
112 Handle(Adaptor3d_HSurface)& QSurf,
113 Standard_Real TolArc,
114 IntPatch_SequenceOfLine& Lines);
115static
116 void ComputeTangency (const IntPatch_TheSOnBounds& solrst,
117 IntSurf_SequenceOfPathPoint& seqpdep,
118 const Handle(Adaptor3d_TopolTool)& Domain,
119 IntPatch_TheSurfFunction& Func,
120 const Handle(Adaptor3d_HSurface)& PSurf,
121 TColStd_Array1OfInteger& Destination);
122static
123 void Recadre(const Standard_Boolean ,
124 GeomAbs_SurfaceType typeS1,
125 GeomAbs_SurfaceType typeS2,
126 IntPatch_Point& pt,
127 const Handle(IntPatch_TheIWLineOfTheIWalking)& iwline,
128 Standard_Integer Param,
129 Standard_Real U1,
130 Standard_Real V1,
131 Standard_Real U2,
132 Standard_Real V2);
133
134//=======================================================================
135//function : ComputeTangency
136//purpose :
137//=======================================================================
138void ComputeTangency (const IntPatch_TheSOnBounds& solrst,
139 IntSurf_SequenceOfPathPoint& seqpdep,
140 const Handle(Adaptor3d_TopolTool)& Domain,
141 IntPatch_TheSurfFunction& Func,
142 const Handle(Adaptor3d_HSurface)& PSurf,
143 TColStd_Array1OfInteger& Destination)
144{
145 Standard_Integer i,k, NbPoints, seqlength;
146 Standard_Real theparam,test;
147 Standard_Boolean fairpt, ispassing;
148 TopAbs_Orientation arcorien,vtxorien;
149 Handle(Adaptor2d_HCurve2d) thearc;
150 Handle(Adaptor3d_HVertex) vtx,vtxbis;
151 //Standard_Boolean ispassing;
152 IntPatch_ThePathPointOfTheSOnBounds PStart;
153 IntSurf_PathPoint PPoint;
154 gp_Vec vectg;
155 gp_Dir2d dirtg;
156 gp_Pnt ptbid;
157 gp_Vec d1u,d1v,v1,v2;
158 gp_Pnt2d p2d;
159 gp_Vec2d d2d;
160 //
1ef32e96
RL
161 double aX[2], aF[1], aD[1][2];
162 math_Vector X(aX, 1, 2);
163 math_Vector F(aF, 1, 1);
164 math_Matrix D(aD, 1, 1, 1, 2);
7fd59977 165 //
166 seqlength = 0;
167 NbPoints = solrst.NbPoints();
168 for (i=1; i<= NbPoints; i++) {
169 if (Destination(i) == 0) {
170 PStart = solrst.Point(i);
171 thearc = PStart.Arc();
172 theparam = PStart.Parameter();
173 arcorien = Domain->Orientation(thearc);
174 ispassing = (arcorien == TopAbs_INTERNAL ||
175 arcorien == TopAbs_EXTERNAL);
176
177 thearc->D0(theparam,p2d);
178 X(1) = p2d.X();
179 X(2) = p2d.Y();
180 PPoint.SetValue(PStart.Value(),X(1),X(2));
181
182 Func.Values(X,F,D);
183 if (Func.IsTangent()) {
184 PPoint.SetTangency(Standard_True);
185 Destination(i) = seqlength+1;
186 if (!PStart.IsNew()) {
187 vtx = PStart.Vertex();
188 for (k=i+1; k<=NbPoints; k++) {
189 if (Destination(k) ==0) {
190 PStart = solrst.Point(k);
191 if (!PStart.IsNew()) {
192 vtxbis = PStart.Vertex();
193 if (Domain->Identical(vtx,vtxbis)) {
194 thearc = PStart.Arc();
195 theparam = PStart.Parameter();
196 arcorien = Domain->Orientation(thearc);
197 ispassing = ispassing && (arcorien == TopAbs_INTERNAL ||
198 arcorien == TopAbs_EXTERNAL);
199
200 thearc->D0(theparam,p2d);
201 PPoint.AddUV(p2d.X(),p2d.Y());
202 Destination(k) = seqlength+1;
203 }
204 }
205 }
206 }
207 }
208 PPoint.SetPassing(ispassing);
209 seqpdep.Append(PPoint);
210 seqlength++;
211 }
212 else { // on a un point de depart potentiel
213
214 vectg = Func.Direction3d();
215 dirtg = Func.Direction2d();
216
217 PSurf->D1(X(1),X(2),ptbid,d1u,d1v);
218 thearc->D1(theparam,p2d,d2d);
219 v2.SetLinearForm(d2d.X(),d1u,d2d.Y(),d1v);
220 v1 = d1u.Crossed(d1v);
221
222 test = vectg.Dot(v1.Crossed(v2));
223 if (PStart.IsNew()) {
224 if ((test < 0. && arcorien == TopAbs_FORWARD) ||
225 (test > 0. && arcorien == TopAbs_REVERSED)) {
226 vectg.Reverse();
227 dirtg.Reverse();
228 }
229 PPoint.SetDirections(vectg,dirtg);
230 PPoint.SetPassing(ispassing);
231 Destination(i) = seqlength+1;
232 seqpdep.Append(PPoint);
233 seqlength++;
234 }
235 else { // traiter la transition complexe
236 gp_Dir bidnorm(1.,1.,1.);
237 Standard_Real tole = 1.e-8;
238 TopAbs_Orientation LocTrans;
239 TopTrans_CurveTransition comptrans;
240 comptrans.Reset(vectg,bidnorm,0.);
241 if (arcorien == TopAbs_FORWARD ||
242 arcorien == TopAbs_REVERSED) {
243 // pour essai
244
245 vtx = PStart.Vertex();
246 vtxorien = Domain->Orientation(vtx);
247 if (Abs(test) <= tole) {
248 LocTrans = TopAbs_EXTERNAL; // et pourquoi pas INTERNAL
249 }
250 else {
0ebaa4db 251 if (((test > 0.)&& arcorien == TopAbs_FORWARD) ||
252 ((test < 0.)&& arcorien == TopAbs_REVERSED)){
7fd59977 253 LocTrans = TopAbs_FORWARD;
254 }
255 else {
256 LocTrans = TopAbs_REVERSED;
257 }
258 if (arcorien == TopAbs_REVERSED) {v2.Reverse();}
259 }
260
261 comptrans.Compare(tole,v2,bidnorm,0.,LocTrans,vtxorien);
262 }
263 Destination(i) = seqlength+1;
264 for (k= i+1; k<=NbPoints; k++) {
265 if (Destination(k) == 0) {
266 PStart = solrst.Point(k);
267 if (!PStart.IsNew()) {
268 vtxbis = PStart.Vertex();
269 if (Domain->Identical(vtx,vtxbis)) {
270 thearc = PStart.Arc();
271 theparam = PStart.Parameter();
272 arcorien = Domain->Orientation(thearc);
273
274 PPoint.AddUV(X(1),X(2));
275
276 thearc->D1(theparam,p2d,d2d);
277 PPoint.AddUV(p2d.X(),p2d.Y());
278
279 if (arcorien == TopAbs_FORWARD ||
280 arcorien == TopAbs_REVERSED) {
281 ispassing = Standard_False;
282 v2.SetLinearForm(d2d.X(),d1u,d2d.Y(),d1v);
283
284 test = vectg.Dot(v1.Crossed(v2));
285 vtxorien = Domain->Orientation(PStart.Vertex());
286 if (Abs(test) <= tole) {
287 LocTrans = TopAbs_EXTERNAL; // et pourquoi pas INTERNAL
288 }
289 else {
0ebaa4db 290 if (((test > 0.)&& arcorien == TopAbs_FORWARD) ||
291 ((test < 0.)&& arcorien == TopAbs_REVERSED)){
7fd59977 292 LocTrans = TopAbs_FORWARD;
293 }
294 else {
295 LocTrans = TopAbs_REVERSED;
296 }
297 if (arcorien == TopAbs_REVERSED) {v2.Reverse();}
298 }
299
300 comptrans.Compare(tole,v2,bidnorm,0.,LocTrans,vtxorien);
301 }
302 Destination(k) = seqlength+1;
303 }
304 }
305 }
306 }
307 fairpt = Standard_True;
308 if (!ispassing) {
309 TopAbs_State Before = comptrans.StateBefore();
310 TopAbs_State After = comptrans.StateAfter();
311 if ((Before == TopAbs_UNKNOWN)||(After == TopAbs_UNKNOWN)) {
312 fairpt = Standard_False;
313 }
314 else if (Before == TopAbs_IN) {
315 if (After == TopAbs_IN) {
316 ispassing = Standard_True;
317 }
318 else {
319 vectg.Reverse();
320 dirtg.Reverse();
321 }
322 }
323 else {
324 if (After !=TopAbs_IN) {
325 fairpt = Standard_False;
326 }
327 }
328 }
329 if (fairpt) {
330 PPoint.SetDirections(vectg,dirtg);
331 PPoint.SetPassing(ispassing);
332 seqpdep.Append(PPoint);
333 seqlength++;
334 }
335 else { // il faut remettre en "ordre" si on ne garde pas le point.
336 for (k=i; k <=NbPoints ; k++) {
337 if (Destination(k)==seqlength + 1) {
338 Destination(k) = -Destination(k);
339 }
340 }
341 }
342 }
343 }
344 }
345 }
346}
347//=======================================================================
348//function : Recadre
349//purpose :
350//=======================================================================
351void Recadre(const Standard_Boolean ,
352 GeomAbs_SurfaceType typeS1,
353 GeomAbs_SurfaceType typeS2,
354 IntPatch_Point& pt,
355 const Handle(IntPatch_TheIWLineOfTheIWalking)& iwline,
356 Standard_Integer Param,
357 Standard_Real U1,
358 Standard_Real V1,
359 Standard_Real U2,
360 Standard_Real V2)
361{
362 Standard_Real U1p,V1p,U2p,V2p;
363 iwline->Line()->Value(Param).Parameters(U1p,V1p,U2p,V2p);
364 switch(typeS1)
365 {
366 case GeomAbs_Torus:
c6541a0c
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367 while(V1<(V1p-1.5*M_PI)) V1+=M_PI+M_PI;
368 while(V1>(V1p+1.5*M_PI)) V1-=M_PI+M_PI;
7fd59977 369 case GeomAbs_Cylinder:
370 case GeomAbs_Cone:
371 case GeomAbs_Sphere:
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372 while(U1<(U1p-1.5*M_PI)) U1+=M_PI+M_PI;
373 while(U1>(U1p+1.5*M_PI)) U1-=M_PI+M_PI;
566f8441 374 default:
375 break;
7fd59977 376 }
377 switch(typeS2)
378 {
379 case GeomAbs_Torus:
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380 while(V2<(V2p-1.5*M_PI)) V2+=M_PI+M_PI;
381 while(V2>(V2p+1.5*M_PI)) V2-=M_PI+M_PI;
7fd59977 382 case GeomAbs_Cylinder:
383 case GeomAbs_Cone:
384 case GeomAbs_Sphere:
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385 while(U2<(U2p-1.5*M_PI)) U2+=M_PI+M_PI;
386 while(U2>(U2p+1.5*M_PI)) U2-=M_PI+M_PI;
566f8441 387 default:
388 break;
7fd59977 389 }
390 pt.SetParameters(U1,V1,U2,V2);
391}
392
393//=======================================================================
394//function : Perform
395//purpose :
396//=======================================================================
397void IntPatch_ImpPrmIntersection::Perform (const Handle(Adaptor3d_HSurface)& Surf1,
398 const Handle(Adaptor3d_TopolTool)& D1,
399 const Handle(Adaptor3d_HSurface)& Surf2,
400 const Handle(Adaptor3d_TopolTool)& D2,
401 const Standard_Real TolArc,
402 const Standard_Real TolTang,
403 const Standard_Real Fleche,
404 const Standard_Real Pas)
405{
406 Standard_Boolean reversed, procf, procl, dofirst, dolast;
1d47d8d0 407 Standard_Integer indfirst = 0, indlast = 0, ind2, i,j,k, NbSegm;
7fd59977 408 Standard_Integer NbPointIns, NbPointRst, Nblines, Nbpts, NbPointDep;
409 Standard_Real U1,V1,U2,V2,paramf,paraml,currentparam;
410
411 IntPatch_TheSegmentOfTheSOnBounds thesegm;
412 IntSurf_PathPoint PPoint;
413
414 Handle(IntPatch_RLine) rline;
415 Handle(IntPatch_WLine) wline;
416 IntPatch_ThePathPointOfTheSOnBounds PStart,PStartf,PStartl;
417 IntPatch_Point ptdeb,ptfin,ptbis;
418
419 IntPatch_IType typ;
420 IntSurf_Transition TLine,TArc;
421 IntSurf_TypeTrans trans1,trans2;
422 gp_Pnt valpt,ptbid;
423 gp_Vec tgline,tgrst,norm1,norm2,d1u,d1v;
424 gp_Dir DirNormale;
425 gp_Vec VecNormale;
426
427 gp_Pnt2d p2d;
428 gp_Vec2d d2d;
429
430 Handle(Adaptor2d_HCurve2d) currentarc;
431 GeomAbs_SurfaceType typeS1, typeS2;
432 IntSurf_Quadric Quad;
433 IntPatch_TheSurfFunction Func;
434 IntPatch_ArcFunction AFunc;
435 //
436 typeS1 = Surf1->GetType();
437 typeS2 = Surf2->GetType();
438
439 paramf =0.;
440 paraml =0.;
441 trans1 = IntSurf_Undecided;
442 trans2 = IntSurf_Undecided;
443 //
444 done = Standard_False;
445 empt = Standard_True;
446 slin.Clear();
447 spnt.Clear();
448 //
449 reversed = Standard_False;
450 switch (typeS1) {
451 case GeomAbs_Plane:
452 Quad.SetValue(Surf1->Plane());
453 break;
454
455 case GeomAbs_Cylinder:
456 Quad.SetValue(Surf1->Cylinder());
457 break;
458
459 case GeomAbs_Sphere:
460 Quad.SetValue(Surf1->Sphere());
461 break;
462
463 case GeomAbs_Cone:
464 Quad.SetValue(Surf1->Cone());
465 break;
466
467 default: {
468 reversed = Standard_True;
469 switch (typeS2) {
470 case GeomAbs_Plane:
471 Quad.SetValue(Surf2->Plane());
472 break;
473
474 case GeomAbs_Cylinder:
475 Quad.SetValue(Surf2->Cylinder());
476 break;
477
478 case GeomAbs_Sphere:
479 Quad.SetValue(Surf2->Sphere());
480 break;
481
482 case GeomAbs_Cone:
483 Quad.SetValue(Surf2->Cone());
484 break;
485 default: {
486 Standard_ConstructionError::Raise();
487 break;
488 }
489 }
490 }
491 break;
492 }
493 //
494 Func.SetImplicitSurface(Quad);
495 Func.Set(IntSurf_QuadricTool::Tolerance(Quad));
496 AFunc.SetQuadric(Quad);
497 //
498 if (!reversed) {
499 Func.Set(Surf2);
500 AFunc.Set(Surf2);
501 }
502 else {
503 Func.Set(Surf1);
504 AFunc.Set(Surf1);
505 }
506 //
507 if (!reversed) {
508 solrst.Perform(AFunc,D2,TolArc,TolTang);
509 }
510 else {
511 solrst.Perform(AFunc,D1,TolArc,TolTang);
512 }
513 if (!solrst.IsDone()) {
514 return;
515 }
516 //
517 IntSurf_SequenceOfPathPoint seqpdep;
518 IntSurf_SequenceOfInteriorPoint seqpins;
519 //
520 NbPointRst = solrst.NbPoints();
521 TColStd_Array1OfInteger Destination(1,NbPointRst+1); Destination.Init(0);
522 if (NbPointRst) {
523 if (!reversed) {
524 ComputeTangency(solrst,seqpdep,D2,Func,Surf2,Destination);
525 }
526 else {
527 ComputeTangency(solrst,seqpdep,D1,Func,Surf1,Destination);
528 }
529 }
530 //
531 // Recherche des points interieurs
532 if (!reversed) {
533 if (myIsStartPnt)
534 solins.Perform(Func,Surf2,myUStart,myVStart);
535 else
536 solins.Perform(Func,Surf2,D2,TolTang);
537 }
538 else {
539 if (myIsStartPnt)
540 solins.Perform(Func,Surf1,myUStart,myVStart);
541 else
542 solins.Perform(Func,Surf1,D1,TolTang);
543 }
544 //
545 NbPointIns = solins.NbPoints();
546 for (i=1; i <= NbPointIns; i++) {
547 seqpins.Append(solins.Value(i));
548 }
549 NbPointDep=seqpdep.Length();
550 //
551 if (NbPointDep || NbPointIns) {
552 IntPatch_TheIWalking iwalk(TolTang,Fleche,Pas);
553 if (!reversed) {
554 iwalk.Perform(seqpdep,seqpins,Func,Surf2);
555 }
556 else {
557 iwalk.Perform(seqpdep,seqpins,Func,Surf1,Standard_True);
558 }
559 if(!iwalk.IsDone()) {
560 return;
561 }
562
563 Standard_Real Vmin, Vmax, TolV = 1.e-14;
564 if (!reversed) { //Surf1 is quadric
565 Vmin = Surf1->FirstVParameter();
566 Vmax = Surf1->LastVParameter();
567 }
568 else { //Surf2 is quadric
569 Vmin = Surf2->FirstVParameter();
570 Vmax = Surf2->LastVParameter();
571 }
572 //
573 Nblines = iwalk.NbLines();
574 for (j=1; j<=Nblines; j++) {
575 const Handle(IntPatch_TheIWLineOfTheIWalking)& iwline = iwalk.Value(j);
576 const Handle(IntSurf_LineOn2S)& thelin = iwline->Line();
577
578 Nbpts = thelin->NbPoints();
579 if(Nbpts>=2) {
580
581 tgline = iwline->TangentVector(k);
582 if(k>=1 && k<=Nbpts) { } else { k=Nbpts>>1; }
583 valpt = thelin->Value(k).Value();
584
585 if (!reversed) {
586 thelin->Value(k).ParametersOnS2(U2,V2);
587 norm1 = Quad.Normale(valpt);
588 Surf2->D1(U2,V2,ptbid,d1u,d1v);
589 norm2 = d1u.Crossed(d1v);
590 }
591 else {
592 thelin->Value(k).ParametersOnS1(U2,V2);
593 norm2 = Quad.Normale(valpt);
594 Surf1->D1(U2,V2,ptbid,d1u,d1v);
595 norm1 = d1u.Crossed(d1v);
596 }
597 if (tgline.DotCross(norm2,norm1) > 0.) {
598 trans1 = IntSurf_Out;
599 trans2 = IntSurf_In;
600 }
601 else {
602 trans1 = IntSurf_In;
603 trans2 = IntSurf_Out;
604 }
605
606 //
607 Standard_Real AnU1,AnU2,AnV2;
608
609 GeomAbs_SurfaceType typQuad = Quad.TypeQuadric();
610 Standard_Boolean arecadr=Standard_False;
611 valpt = thelin->Value(1).Value();
612 Quad.Parameters(valpt,AnU1,V1);
613
614 if((V1 < Vmin) && (Vmin-V1 < TolV)) V1 = Vmin;
615 if((V1 > Vmax) && (V1-Vmax < TolV)) V1 = Vmax;
616
617 if(reversed) {
618 thelin->SetUV(1,Standard_False,AnU1,V1); //-- on va lire u2,v2
619 thelin->Value(1).ParametersOnS1(AnU2,AnV2);
620 }
621 else {
622 thelin->SetUV(1,Standard_True,AnU1,V1); //-- on va lire u1,v1
623 thelin->Value(1).ParametersOnS2(AnU2,AnV2);
624 }
625
626 if(typQuad==GeomAbs_Cylinder ||
627 typQuad==GeomAbs_Cone ||
628 typQuad==GeomAbs_Sphere) {
629 arecadr=Standard_True;
630 }
631 //
632 for (k=2; k<=Nbpts; ++k) {
633 valpt = thelin->Value(k).Value();
634 Quad.Parameters(valpt,U1,V1);
635 //
636 if((V1 < Vmin) && (Vmin-V1 < TolV)) {
637 V1 = Vmin;
638 }
639 if((V1 > Vmax) && (V1-Vmax < TolV)) {
640 V1 = Vmax;
641 }
642 //
643 if(arecadr) {
644 //modified by NIZNHY-PKV Fri Mar 28 15:06:01 2008f
645 Standard_Real aCf, aTwoPI;
646 //
647 aCf=0.;
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648 aTwoPI=M_PI+M_PI;
649 if ((U1-AnU1) > 1.5*M_PI) {
650 while ((U1-AnU1) > (1.5*M_PI+aCf*aTwoPI)) {
7fd59977 651 aCf=aCf+1.;
652 }
653 U1=U1-aCf*aTwoPI;
654 }
655 //
656 else {
c6541a0c 657 while ((U1-AnU1) < (-1.5*M_PI-aCf*aTwoPI)) {
7fd59977 658 aCf=aCf+1.;
659 }
660 U1=U1+aCf*aTwoPI;
661 }
662 // was:
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663 //if ((U1-AnU1) > 1.5*M_PI) {
664 // U1-=M_PI+M_PI;
7fd59977 665 //}
c6541a0c
D
666 //else if ((U1-AnU1) < -1.5*M_PI) {
667 // U1+=M_PI+M_PI;
7fd59977 668 //}
669 //modified by NIZNHY-PKV Fri Mar 28 15:06:11 2008t
670 }
671 //
672 if(reversed) {
673 thelin->SetUV(k,Standard_False,U1,V1);
674
675 thelin->Value(k).ParametersOnS1(U2,V2);
676 switch(typeS1) {
677 case GeomAbs_Cylinder:
678 case GeomAbs_Cone:
679 case GeomAbs_Sphere:
680 case GeomAbs_Torus:
c6541a0c
D
681 while(U2<(AnU2-1.5*M_PI)) U2+=M_PI+M_PI;
682 while(U2>(AnU2+1.5*M_PI)) U2-=M_PI+M_PI;
7fd59977 683 break;
684 default:
685 break;
686 }
687 if(typeS2==GeomAbs_Torus) {
c6541a0c
D
688 while(V2<(AnV2-1.5*M_PI)) V2+=M_PI+M_PI;
689 while(V2>(AnV2+1.5*M_PI)) V2-=M_PI+M_PI;
7fd59977 690 }
691 thelin->SetUV(k,Standard_True,U2,V2);
692 }
693 else {
694 thelin->SetUV(k,Standard_True,U1,V1);
695
696 thelin->Value(k).ParametersOnS2(U2,V2);
697 switch(typeS2) {
698 case GeomAbs_Cylinder:
699 case GeomAbs_Cone:
700 case GeomAbs_Sphere:
701 case GeomAbs_Torus:
c6541a0c
D
702 while(U2<(AnU2-1.5*M_PI)) U2+=M_PI+M_PI;
703 while(U2>(AnU2+1.5*M_PI)) U2-=M_PI+M_PI;
7fd59977 704 break;
705 default:
706 break;
707 }
708 if(typeS2==GeomAbs_Torus) {
c6541a0c
D
709 while(V2<(AnV2-1.5*M_PI)) V2+=M_PI+M_PI;
710 while(V2>(AnV2+1.5*M_PI)) V2-=M_PI+M_PI;
7fd59977 711 }
712 thelin->SetUV(k,Standard_False,U2,V2);
713
714 }
715
716 AnU1=U1;
717 AnU2=U2;
718 AnV2=V2;
719 }
720 // <-A
721 wline = new IntPatch_WLine(thelin,Standard_False,trans1,trans2);
722
723 if ( iwline->HasFirstPoint()
724 && iwline->IsTangentAtBegining() == Standard_False) {
725 indfirst = iwline->FirstPointIndex();
726 PPoint = seqpdep(indfirst);
727 tgline = PPoint.Direction3d();
728 Standard_Integer themult = PPoint.Multiplicity();
729 for (i=NbPointRst; i>=1; i--) {
730 if (Destination(i) == indfirst) {
731 if (!reversed) { //-- typeS1 = Pln || Cyl || Sph || Cone
732 Quad.Parameters(PPoint.Value(),U1,V1);
733
734 if((V1 < Vmin) && (Vmin-V1 < TolV)) V1 = Vmin;
735 if((V1 > Vmax) && (V1-Vmax < TolV)) V1 = Vmax;
736
737 PPoint.Parameters(themult,U2,V2);
738 Surf2->D1(U2,V2,ptbid,d1u,d1v); //-- @@@@
739 }
740 else { //-- typeS1 != Pln && Cyl && Sph && Cone
741 Quad.Parameters(PPoint.Value(),U2,V2);
742
743 if((V2 < Vmin) && (Vmin-V2 < TolV)) V2 = Vmin;
744 if((V2 > Vmax) && (V2-Vmax < TolV)) V2 = Vmax;
745
746 PPoint.Parameters(themult,U1,V1);
747 Surf1->D1(U1,V1,ptbid,d1u,d1v); //-- @@@@
748 }
749
750 VecNormale = d1u.Crossed(d1v);
751 //-- Modif du 27 Septembre 94 (Recadrage des pts U,V)
752 ptdeb.SetValue(PPoint.Value(),TolArc,Standard_False);
753 ptdeb.SetParameters(U1,V1,U2,V2);
754 ptdeb.SetParameter(1.);
755
756 Recadre(reversed,typeS1,typeS2,ptdeb,iwline,1,U1,V1,U2,V2);
757
758 currentarc = solrst.Point(i).Arc();
759 currentparam = solrst.Point(i).Parameter();
760 currentarc->D1(currentparam,p2d,d2d);
761 tgrst.SetLinearForm(d2d.X(),d1u,d2d.Y(),d1v);
762
763 Standard_Real squaremagnitudeVecNormale = VecNormale.SquareMagnitude();
764 if(squaremagnitudeVecNormale > 1e-13) {
765 DirNormale=VecNormale;
766 IntSurf::MakeTransition(tgline,tgrst,DirNormale,TLine,TArc);
767 }
768 else {
769 TLine.SetValue(Standard_True,IntSurf_Undecided);
770 TArc.SetValue(Standard_True,IntSurf_Undecided);
771 }
772
773 ptdeb.SetArc(reversed,currentarc,currentparam,TLine,TArc);
774 if (!solrst.Point(i).IsNew()) {
775 ptdeb.SetVertex(reversed,solrst.Point(i).Vertex());
776 }
777 wline->AddVertex(ptdeb);
778 if (themult == 0) {
779 wline->SetFirstPoint(wline->NbVertex());
780 }
781
782 themult--;
783 }
784 }
785 }
786 else if (iwline->IsTangentAtBegining()) {
787 gp_Pnt psol = thelin->Value(1).Value();
788 thelin->Value(1).ParametersOnS1(U1,V1);
789 thelin->Value(1).ParametersOnS2(U2,V2);
790 ptdeb.SetValue(psol,TolArc,Standard_True);
791 ptdeb.SetParameters(U1,V1,U2,V2);
792 ptdeb.SetParameter(1.);
793 wline->AddVertex(ptdeb);
794 wline->SetFirstPoint(wline->NbVertex());
795 }
796 else {
797 gp_Pnt psol = thelin->Value(1).Value();
798 thelin->Value(1).ParametersOnS1(U1,V1);
799 thelin->Value(1).ParametersOnS2(U2,V2);
800 ptdeb.SetValue(psol,TolArc,Standard_False);
801 ptdeb.SetParameters(U1,V1,U2,V2);
802 ptdeb.SetParameter(1.);
803 wline->AddVertex(ptdeb);
804 wline->SetFirstPoint(wline->NbVertex());
805 }
806
807
808 if ( iwline->HasLastPoint()
809 && iwline->IsTangentAtEnd() == Standard_False) {
810 indlast = iwline->LastPointIndex();
811 PPoint = seqpdep(indlast);
812 tgline = PPoint.Direction3d().Reversed();
813 Standard_Integer themult = PPoint.Multiplicity();
814 for (i=NbPointRst; i >=1; i--) {
815 if (Destination(i) == indlast) {
816 if (!reversed) {
817 Quad.Parameters(PPoint.Value(),U1,V1);
818
819 if((V1 < Vmin) && (Vmin-V1 < TolV)) V1 = Vmin;
820 if((V1 > Vmax) && (V1-Vmax < TolV)) V1 = Vmax;
821
822 PPoint.Parameters(themult,U2,V2);
823 Surf2->D1(U2,V2,ptbid,d1u,d1v); //-- @@@@
824 VecNormale = d1u.Crossed(d1v); //-- @@@@
825 }
826 else {
827 Quad.Parameters(PPoint.Value(),U2,V2);
828
829 if((V2 < Vmin) && (Vmin-V2 < TolV)) V2 = Vmin;
830 if((V2 > Vmax) && (V2-Vmax < TolV)) V2 = Vmax;
831
832 PPoint.Parameters(themult,U1,V1);
833 Surf1->D1(U1,V1,ptbid,d1u,d1v); //-- @@@@
834 VecNormale = d1u.Crossed(d1v); //-- @@@@
835 }
836
837 ptfin.SetValue(PPoint.Value(),TolArc,Standard_False);
838 ptfin.SetParameters(U1,V1,U2,V2);
839 ptfin.SetParameter(Nbpts);
840
841 Recadre(reversed,typeS1,typeS2,ptfin,iwline,Nbpts-1,U1,V1,U2,V2);
842
843 currentarc = solrst.Point(i).Arc();
844 currentparam = solrst.Point(i).Parameter();
845 currentarc->D1(currentparam,p2d,d2d);
846 tgrst.SetLinearForm(d2d.X(),d1u,d2d.Y(),d1v);
847
848
849 Standard_Real squaremagnitudeVecNormale = VecNormale.SquareMagnitude();
850 if(squaremagnitudeVecNormale > 1e-13) {
851 DirNormale=VecNormale;
852 IntSurf::MakeTransition(tgline,tgrst,DirNormale,TLine,TArc);
853 }
854 else {
855 TLine.SetValue(Standard_True,IntSurf_Undecided);
856 TArc.SetValue(Standard_True,IntSurf_Undecided);
857 }
858
859
860 ptfin.SetArc(reversed,currentarc,currentparam,TLine,TArc);
861 if (!solrst.Point(i).IsNew()) {
862 ptfin.SetVertex(reversed,solrst.Point(i).Vertex());
863 }
864 wline->AddVertex(ptfin);
865 if (themult == 0) {
866 wline->SetLastPoint(wline->NbVertex());
867 }
868
869 themult--;
870 }
871 }
872 }
873 else if (iwline->IsTangentAtEnd()) {
874 gp_Pnt psol = thelin->Value(Nbpts).Value();
875 thelin->Value(Nbpts).ParametersOnS1(U1,V1);
876 thelin->Value(Nbpts).ParametersOnS2(U2,V2);
877 ptfin.SetValue(psol,TolArc,Standard_True);
878 ptfin.SetParameters(U1,V1,U2,V2);
879 ptfin.SetParameter(Nbpts);
880 wline->AddVertex(ptfin);
881 wline->SetLastPoint(wline->NbVertex());
882 }
883 else {
884 gp_Pnt psol = thelin->Value(Nbpts).Value();
885 thelin->Value(Nbpts).ParametersOnS1(U1,V1);
886 thelin->Value(Nbpts).ParametersOnS2(U2,V2);
887 ptfin.SetValue(psol,TolArc,Standard_False);
888 ptfin.SetParameters(U1,V1,U2,V2);
889 ptfin.SetParameter(Nbpts);
890 wline->AddVertex(ptfin);
891 wline->SetLastPoint(wline->NbVertex());
892 }
893 //
894 // Il faut traiter les points de passage.
895 slin.Append(wline);
896 }// if(Nbpts>=2) {
897 }// for (j=1; j<=Nblines; j++) {
898
899 // ON GERE LES RACCORDS ENTRE LIGNES. ELLE NE PEUVENT SE RACCORDER
900 // QUE SUR DES POINTS DE TANGENCE
901
902
903 Nblines = slin.Length();
904 for (j=1; j<=Nblines-1; j++) {
905 dofirst = dolast = Standard_False;
906 const Handle(IntPatch_Line)& slinj = slin(j);
907 const Handle(IntPatch_WLine)& wlin1 = *((Handle(IntPatch_WLine)*)&slinj);
908 if (wlin1->HasFirstPoint()) {
909 ptdeb = wlin1->FirstPoint(indfirst);
910 if (ptdeb.IsTangencyPoint()) {
911 dofirst = Standard_True;
912 }
913 }
914 if (wlin1->HasLastPoint()) {
915 ptfin = wlin1->LastPoint(indlast);
916 if (ptfin.IsTangencyPoint()) {
917 dolast = Standard_True;
918 }
919 }
920
921 if (dofirst || dolast) {
922 for (k=j+1; k<=Nblines;k++) {
923 const Handle(IntPatch_Line)& slink = slin(k);
924 const Handle(IntPatch_WLine)& wlin2 = *((Handle(IntPatch_WLine)*)&slink);
925 if (wlin2->HasFirstPoint()) {
926 ptbis = wlin2->FirstPoint(ind2);
927 if (ptbis.IsTangencyPoint()) {
928 if (dofirst ) {
929 if (ptdeb.Value().Distance(ptbis.Value()) <= TolArc) {
930 ptdeb.SetMultiple(Standard_True);
931 if (!ptbis.IsMultiple()) {
932 ptbis.SetMultiple(Standard_True);
933 wlin2->Replace(ind2,ptbis);
934 }
935 }
936 }
937 if (dolast ) {
938 if (ptfin.Value().Distance(ptbis.Value()) <= TolArc) {
939 ptfin.SetMultiple(Standard_True);
940 if (!ptbis.IsMultiple()) {
941 ptbis.SetMultiple(Standard_True);
942 wlin2->Replace(ind2,ptbis);
943 }
944 }
945 }
946 }
947 }
948 if (wlin2->HasLastPoint()) {
949 ptbis = wlin2->LastPoint(ind2);
950 if (ptbis.IsTangencyPoint()) {
951 if (dofirst ) {
952 if (ptdeb.Value().Distance(ptbis.Value()) <= TolArc) {
953 ptdeb.SetMultiple(Standard_True);
954 if (!ptbis.IsMultiple()) {
955 ptbis.SetMultiple(Standard_True);
956 wlin2->Replace(ind2,ptbis);
957 }
958 }
959 }
960 if (dolast ) {
961 if (ptfin.Value().Distance(ptbis.Value()) <= TolArc) {
962 ptfin.SetMultiple(Standard_True);
963 if (!ptbis.IsMultiple()) {
964 ptbis.SetMultiple(Standard_True);
965 wlin2->Replace(ind2,ptbis);
966 }
967 }
968 }
969 }
970 }
971 }
972 if(dofirst)
973 wlin1->Replace(indfirst,ptdeb);
974 if(dolast)
975 wlin1->Replace(indlast,ptfin);
976 }
977 }
978 }// if (seqpdep.Length() != 0 || seqpins.Length() != 0) {
979 //
980 // Treatment the segments
981 NbSegm = solrst.NbSegments();
982 if (NbSegm) {
983 for(i=1; i<=NbSegm; i++) {
984 thesegm = solrst.Segment(i);
985 //----------------------------------------------------------------------
986 // on cree une ligne d intersection contenant uniquement le segment.
987 // VOIR POUR LA TRANSITION DE LA LIGNE
988 // On ajoute aussi un polygone pour le traitement des intersections
989 // entre ligne et restrictions de la surface implicite (PutVertexOnLine)
990 //----------------------------------------------------------------------
991 //-- Calcul de la transition sur la rline (12 fev 97)
992 //-- reversed a le sens de OnFirst
993 //--
994 dofirst = dolast = Standard_False;
995 procf = Standard_False;
996 procl = Standard_False;
997 IntSurf_Transition TLineUnk,TArcUnk;
998
999 IntPatch_Point _thepointAtBeg;
1000 IntPatch_Point _thepointAtEnd;
1001
1002 Standard_Boolean TransitionOK=Standard_False;
1003
1004 if(thesegm.HasFirstPoint()) {
1005 Standard_Real _u1,_v1,_u2,_v2;
1006
1007 dofirst = Standard_True;
1008 PStartf = thesegm.FirstPoint();
1009 paramf = PStartf.Parameter();
1010
1011 gp_Pnt2d _p2d = thesegm.Curve()->Value(paramf);
1012 Handle(Adaptor3d_HVertex) _vtx;
1013 if(PStartf.IsNew()==Standard_False)
1014 _vtx= PStartf.Vertex();
1015 const gp_Pnt& _Pp = PStartf.Value();
1016 _thepointAtBeg.SetValue(_Pp,PStartf.Tolerance(),Standard_False);
1017 if (!reversed) { //-- typeS1 = Pln || Cyl || Sph || Cone
1018 Quad.Parameters(_Pp,_u1,_v1);
1019 _u2=_p2d.X(); _v2=_p2d.Y();
1020 }
1021 else { //-- typeS1 != Pln && Cyl && Sph && Cone
1022 Quad.Parameters(_Pp,_u2,_v2);
1023 _u1=_p2d.X(); _v1=_p2d.Y();
1024 }
1025 _thepointAtBeg.SetParameters(_u1,_v1,_u2,_v2);
1026 _thepointAtBeg.SetParameter(paramf);
1027 if(PStartf.IsNew()==Standard_False)
1028 _thepointAtBeg.SetVertex(reversed,_vtx);
1029 _thepointAtBeg.SetArc(reversed,thesegm.Curve(),paramf,TLineUnk,TArcUnk);
1030
1031
1032 gp_Vec d1u1,d1v1,d1u2,d1v2; gp_Vec2d _d2d;
1033 Surf1->D1(_u1,_v1,ptbid,d1u1,d1v1);
1034 norm1 = d1u1.Crossed(d1v1);
1035 Surf2->D1(_u2,_v2,ptbid,d1u2,d1v2);
1036 norm2 = d1u2.Crossed(d1v2);
1037
1038 thesegm.Curve()->D1(paramf,_p2d,_d2d);
1039 if(reversed) {
1040 tgline.SetLinearForm(_d2d.X(),d1u1,_d2d.Y(),d1v1);
1041 }
1042 else {
1043 tgline.SetLinearForm(_d2d.X(),d1u2,_d2d.Y(),d1v2);
1044 }
1045 _u1=tgline.DotCross(norm2,norm1);
1046 TransitionOK=Standard_True;
1047 if (_u1 > 0.00000001) {
1048 trans1 = IntSurf_Out;
1049 trans2 = IntSurf_In;
1050 }
1051 else if(_u1 < -0.00000001) {
1052 trans1 = IntSurf_In;
1053 trans2 = IntSurf_Out;
1054 }
1055 else {
1056 TransitionOK=Standard_False;
1057 }
1058 }
1059 if(thesegm.HasLastPoint()) {
1060 Standard_Real _u1,_v1,_u2,_v2;
1061
1062 dolast = Standard_True;
1063 PStartl = thesegm.LastPoint();
1064 paraml = PStartl.Parameter();
1065
1066 gp_Pnt2d _p2d = thesegm.Curve()->Value(paraml);
1067 Handle(Adaptor3d_HVertex) _vtx;
1068 if(PStartl.IsNew()==Standard_False)
1069 _vtx = PStartl.Vertex();
1070 const gp_Pnt& _Pp = PStartl.Value();
1071 IntPatch_Point _thepoint;
1072 _thepointAtEnd.SetValue(_Pp,PStartl.Tolerance(),Standard_False);
1073 if (!reversed) { //-- typeS1 = Pln || Cyl || Sph || Cone
1074 Quad.Parameters(_Pp,_u1,_v1);
1075 _u2=_p2d.X(); _v2=_p2d.Y();
1076 }
1077 else { //-- typeS1 != Pln && Cyl && Sph && Cone
1078 Quad.Parameters(_Pp,_u2,_v2);
1079 _u1=_p2d.X(); _v1=_p2d.Y();
1080 }
1081 _thepointAtEnd.SetParameters(_u1,_v1,_u2,_v2);
1082 _thepointAtEnd.SetParameter(paraml);
1083 if(PStartl.IsNew()==Standard_False)
1084 _thepointAtEnd.SetVertex(reversed,_vtx);
1085 _thepointAtEnd.SetArc(reversed,thesegm.Curve(),paraml,TLineUnk,TArcUnk);
1086
1087
1088
1089 gp_Vec d1u1,d1v1,d1u2,d1v2; gp_Vec2d _d2d;
1090 Surf1->D1(_u1,_v1,ptbid,d1u1,d1v1);
1091 norm1 = d1u1.Crossed(d1v1);
1092 Surf2->D1(_u2,_v2,ptbid,d1u2,d1v2);
1093 norm2 = d1u2.Crossed(d1v2);
1094
1095 thesegm.Curve()->D1(paraml,_p2d,_d2d);
1096 if(reversed) {
1097 tgline.SetLinearForm(_d2d.X(),d1u1,_d2d.Y(),d1v1);
1098 }
1099 else {
1100 tgline.SetLinearForm(_d2d.X(),d1u2,_d2d.Y(),d1v2);
1101 }
1102 _u1=tgline.DotCross(norm2,norm1);
1103 TransitionOK=Standard_True;
1104 if (_u1 > 0.00000001) {
1105 trans1 = IntSurf_Out;
1106 trans2 = IntSurf_In;
1107 }
1108 else if(_u1 < -0.00000001) {
1109 trans1 = IntSurf_In;
1110 trans2 = IntSurf_Out;
1111 }
1112 else {
1113 TransitionOK=Standard_False;
1114 }
1115 }
1116 if(TransitionOK==Standard_False) {
1117 //-- rline = new IntPatch_RLine (thesegm.Curve(),reversed,Standard_False);
1118 rline = new IntPatch_RLine (Standard_False);
1119 if(reversed) {
1120 rline->SetArcOnS1(thesegm.Curve());
1121 }
1122 else {
1123 rline->SetArcOnS2(thesegm.Curve());
1124 }
1125 }
1126 else {
1127 //-- rline = new IntPatch_RLine (thesegm.Curve(),reversed,Standard_False,trans1,trans2);
1128 rline = new IntPatch_RLine (Standard_False,trans1,trans2);
1129 if(reversed) {
1130 rline->SetArcOnS1(thesegm.Curve());
1131 }
1132 else {
1133 rline->SetArcOnS2(thesegm.Curve());
1134 }
1135 }
1136
1137 //------------------------------
1138 //-- Ajout des points
1139 //--
1140 if (thesegm.HasFirstPoint()) {
1141 rline->AddVertex(_thepointAtBeg);
1142 rline->SetFirstPoint(rline->NbVertex());
1143 }
1144
1145 if (thesegm.HasLastPoint()) {
1146 rline->AddVertex(_thepointAtEnd);
1147 rline->SetLastPoint(rline->NbVertex());
1148 }
1149
1150 // Polygone sur restriction solution
1151 if (dofirst && dolast) {
1152 Standard_Real prm;
1153 gp_Pnt ptpoly;
1154 IntSurf_PntOn2S p2s;
1155 Handle(IntSurf_LineOn2S) Thelin = new IntSurf_LineOn2S ();
1156 Handle(Adaptor2d_HCurve2d) arcsegm = thesegm.Curve();
1157 Standard_Integer nbsample = 100;
1158
1159 if (!reversed) {
1160 for (j=1; j<=nbsample; j++) {
1161 prm = paramf + (j-1)*(paraml-paramf)/(nbsample-1);
1162 arcsegm->D0(prm,p2d);
1163 Surf2->D0(p2d.X(),p2d.Y(),ptpoly);
1164
1165 Quad.Parameters(ptpoly,U1,V1);
1166 p2s.SetValue(ptpoly,U1,V1,p2d.X(),p2d.Y());
1167 Thelin->Add(p2s);
1168 }
1169 }
1170 else {
1171 for (j=1; j<=nbsample; j++) {
1172 prm = paramf + (j-1)*(paraml-paramf)/(nbsample-1);
1173 arcsegm->D0(prm,p2d);
1174 Surf1->D0(p2d.X(),p2d.Y(),ptpoly);
1175
1176 Quad.Parameters(ptpoly,U2,V2);
1177 p2s.SetValue(ptpoly,p2d.X(),p2d.Y(),U2,V2);
1178 Thelin->Add(p2s);
1179 }
1180 }
1181 rline->Add(Thelin);
1182 }
1183
1184 if (dofirst || dolast) {
1185 Nblines = slin.Length();
1186 for (j=1; j<=Nblines; j++) {
1187 const Handle(IntPatch_Line)& slinj = slin(j);
1188 typ = slinj->ArcType();
1189 if (typ == IntPatch_Walking) {
1190 Nbpts = (*((Handle(IntPatch_WLine)*)&slinj))->NbVertex();
1191 }
1192 else {
1193 Nbpts = (*((Handle(IntPatch_RLine)*)&slinj))->NbVertex();
1194 }
1195 for (k=1; k<=Nbpts;k++) {
1196 if (typ == IntPatch_Walking) {
1197 ptdeb = (*((Handle(IntPatch_WLine)*)&slinj))->Vertex(k);
1198 }
1199 else {
1200 ptdeb = (*((Handle(IntPatch_RLine)*)&slinj))->Vertex(k);
1201 }
1202 if (dofirst) {
1203
1204 if (ptdeb.Value().Distance(PStartf.Value()) <=TolArc) {
1205 ptdeb.SetMultiple(Standard_True);
1206 if (typ == IntPatch_Walking) {
1207 (*((Handle(IntPatch_WLine)*)&slinj))->Replace(k,ptdeb);
1208 }
1209 else {
1210 (*((Handle(IntPatch_RLine)*)&slinj))->Replace(k,ptdeb);
1211 }
1212 ptdeb.SetParameter(paramf);
1213 rline->AddVertex(ptdeb);
1214 if (!procf){
1215 procf=Standard_True;
1216 rline->SetFirstPoint(rline->NbVertex());
1217 }
1218 }
1219 }
1220 if (dolast) {
1221 if(dofirst) { //-- on recharge le ptdeb
1222 if (typ == IntPatch_Walking) {
1223 ptdeb = (*((Handle(IntPatch_WLine)*)&slinj))->Vertex(k);
1224 }
1225 else {
1226 ptdeb = (*((Handle(IntPatch_RLine)*)&slinj))->Vertex(k);
1227 }
1228 }
1229 if (ptdeb.Value().Distance(PStartl.Value()) <=TolArc) {
1230 ptdeb.SetMultiple(Standard_True);
1231 if (typ == IntPatch_Walking) {
1232 (*((Handle(IntPatch_WLine)*)&slinj))->Replace(k,ptdeb);
1233 }
1234 else {
1235 (*((Handle(IntPatch_RLine)*)&slinj))->Replace(k,ptdeb);
1236 }
1237 ptdeb.SetParameter(paraml);
1238 rline->AddVertex(ptdeb);
1239 if (!procl){
1240 procl=Standard_True;
1241 rline->SetLastPoint(rline->NbVertex());
1242 }
1243 }
1244 }
1245 }
1246 }
1247 }
1248 slin.Append(rline);
1249 }
1250 }// if (NbSegm)
1251 //
1252 // on traite les restrictions de la surface implicite
1253 for (i=1; i<=slin.Length(); i++)
1254 {
1255 if (!reversed)
1256 IntPatch_RstInt::PutVertexOnLine(slin(i),Surf1,D1,Surf2,Standard_True,TolTang);
1257 else
1258 IntPatch_RstInt::PutVertexOnLine(slin(i),Surf2,D2,Surf1,Standard_False,TolTang);
1259 }
1260 empt = (slin.Length() == 0 && spnt.Length() == 0);
1261 done = Standard_True;
1262 //
1263 // post processing for cones and spheres
1264 if((Quad.TypeQuadric() == GeomAbs_Cone ||
1265 Quad.TypeQuadric() == GeomAbs_Sphere) &&
1266 slin.Length()) {
1267
1268 Handle(Adaptor3d_TopolTool) PDomain = (reversed) ? D1 : D2;
1269 Handle(Adaptor3d_HSurface) QSurf = (reversed) ? Surf2 : Surf1;
1270
1271 IntPatch_SequenceOfLine dslin;
1272 for(i = 1; i <= slin.Length(); i++ )
1273 DecomposeResult(slin(i),reversed,Quad,PDomain,QSurf,TolArc,dslin);
1274
1275 slin.Clear();
1276 for(i = 1; i <= dslin.Length(); i++ )
1277 slin.Append(dslin(i));
1278 }
1279}
1280
1281//==================================================================
1282// Decomposition of WLine goes through seam and/or apex routines
1283//==================================================================
1284
1285// reject all points and vertices not in V range on Quadric
1286static Handle(IntSurf_LineOn2S) VSplitLine(Handle(IntSurf_LineOn2S)& Line,
1287 Standard_Boolean IsReversed,
1288 Handle(Adaptor3d_HSurface)& QSurf,
1289 Handle(IntSurf_LineOn2S)& Vertices)
1290{
1291 Handle(IntSurf_LineOn2S) line = new IntSurf_LineOn2S();
1292
1293 Standard_Real VF = QSurf->FirstVParameter();
1294 Standard_Real VL = QSurf->LastVParameter();
1295
1296 Standard_Integer i = 0;
1297 Standard_Real U = 0., V = 0.;
1298
1299 for(i = 1; i <= Line->NbPoints(); i++) {
1300
1301 const IntSurf_PntOn2S& aP = Line->Value(i);
1302 if(IsReversed)
1303 aP.ParametersOnS2(U,V); // S2 - quadric
1304 else
1305 aP.ParametersOnS1(U,V); // S1 - quadric
1306
1307 if(VF <= V && V <= VL)
1308 line->Add(aP);
1309 }
1310
1311 Standard_Boolean isDeleted = Standard_True;
1312 Standard_Integer k = 0;
1313 while(isDeleted) {
1314
1315 isDeleted = Standard_False;
1316 k = 0;
1317
1318 for(i = 1; i <= Vertices->NbPoints(); i++) {
1319
1320 const IntSurf_PntOn2S& aV = Vertices->Value(i);
1321 if(IsReversed)
1322 aV.ParametersOnS2(U,V); // S2 - quadric
1323 else
1324 aV.ParametersOnS1(U,V); // S1 - quadric
1325
1326 if(VF <= V && V <= VL)
1327 continue;
1328 else {
1329 k = i;
1330 break;
1331 }
1332 }
1333
1334 if(k != 0) {
1335 isDeleted = Standard_True;
1336 Vertices->RemovePoint(k);
1337 }
1338 else
1339 break;
1340 }
1341
1342 return line;
1343}
1344
1345// correct U parameter of the start point of line on Quadric
1346// (change 0->2PI or vs, if necessary)
1347static Standard_Real AdjustUFirst(Standard_Real U1,Standard_Real U2)
1348{
1349 Standard_Real u = U1;
1350
1351 // case: no adjustment
c6541a0c 1352 if( U1 > 0. && U1 < (2.*M_PI) )
7fd59977 1353 return u;
1354
1355 // case: near '0'
1356 if( U1 == 0. || fabs(U1) <= 1.e-9 ) {
c6541a0c
D
1357 if( U2 > 0. && U2 < (2.*M_PI) )
1358 u = ( U2 < ((2.*M_PI)-U2) ) ? 0. : (2.*M_PI);
7fd59977 1359 else {
1360 Standard_Real uu = U2;
c6541a0c
D
1361 if( U2 > (2.*M_PI) )
1362 while( uu > (2.*M_PI) )
1363 uu -= (2.*M_PI);
7fd59977 1364 else
1365 while( uu < 0.)
c6541a0c 1366 uu += (2.*M_PI);
7fd59977 1367
c6541a0c 1368 u = ( uu < ((2.*M_PI)-uu) ) ? 0. : (2.*M_PI);
7fd59977 1369 }
1370 }
1371 // case: near '2PI'
c6541a0c
D
1372 else if( U1 == (2.*M_PI) || fabs((2.*M_PI)-fabs(U1)) <= 1.e-9 ) {
1373 if( U2 > 0. && U2 < (2.*M_PI) )
1374 u = ( U2 < ((2.*M_PI)-U2) ) ? 0. : (2.*M_PI);
7fd59977 1375 else {
1376 Standard_Real uu = U2;
c6541a0c
D
1377 if( U2 > (2.*M_PI) )
1378 while( uu > (2.*M_PI) )
1379 uu -= (2.*M_PI);
7fd59977 1380 else
1381 while( uu < 0.)
c6541a0c 1382 uu += (2.*M_PI);
7fd59977 1383
c6541a0c 1384 u = ( uu < ((2.*M_PI)-uu) ) ? 0. : (2.*M_PI);
7fd59977 1385 }
1386 }
1387 // case: '<0. || >2PI'
1388 else {
1389 if(U1 < 0.)
1390 while(u < 0.)
c6541a0c
D
1391 u += 2.*M_PI;
1392 if(U1 > (2.*M_PI))
1393 while(u > (2.*M_PI))
1394 u -= (2.*M_PI);
7fd59977 1395 }
1396
1397 return u;
1398}
1399
7fd59977 1400// collect vertices, reject equals
1401static Handle(IntSurf_LineOn2S) GetVertices(const Handle(IntPatch_WLine)& WLine,
1402 const Standard_Boolean ,//IsReversed,
1403 const Standard_Real TOL3D,
1404 const Standard_Real TOL2D)
1405{
1406// Standard_Real TOL3D = 1.e-12, TOL2D = 1.e-8;
1407
1408 Handle(IntSurf_LineOn2S) vertices = new IntSurf_LineOn2S();
1409
1410 Standard_Real U1 = 0., U2 = 0., V1 = 0., V2 = 0.;
1411 Standard_Integer i = 0, k = 0;
1412 Standard_Integer NbVrt = WLine->NbVertex();
1413
1414 TColStd_Array1OfInteger anVrts(1,NbVrt);
1415 anVrts.Init(0);
1416
1417 // check equal vertices
1418 for(i = 1; i <= NbVrt; i++) {
1419
1420 if( anVrts(i) == -1 ) continue;
1421
1422 const IntPatch_Point& Pi = WLine->Vertex(i);
1423
1424 for(k = (i+1); k <= NbVrt; k++) {
1425
1426 if( anVrts(k) == -1 ) continue;
1427
1428 const IntPatch_Point& Pk = WLine->Vertex(k);
1429
1430 if(Pi.Value().Distance(Pk.Value()) <= TOL3D) {
1431 // suggest the points are equal;
1432 // test 2d parameters on surface
1433 Standard_Boolean sameU1 = Standard_False;
1434 Standard_Boolean sameV1 = Standard_False;
1435 Standard_Boolean sameU2 = Standard_False;
1436 Standard_Boolean sameV2 = Standard_False;
1437
1438 Pi.ParametersOnS1(U1,V1);
1439 Pk.ParametersOnS1(U2,V2);
1440 if(fabs(U1-U2) <= TOL2D) sameU1 = Standard_True;
1441 if(fabs(V1-V2) <= TOL2D) sameV1 = Standard_True;
1442
1443 Pi.ParametersOnS2(U1,V1);
1444 Pk.ParametersOnS2(U2,V2);
1445 if(fabs(U1-U2) <= TOL2D) sameU2 = Standard_True;
1446 if(fabs(V1-V2) <= TOL2D) sameV2 = Standard_True;
1447
1448 if((sameU1 && sameV1) && (sameU2 && sameV2))
1449 anVrts(k) = -1;
1450 }
1451 }
1452 }
1453
1454 // copy further processed vertices
1455 for(i = 1; i <= NbVrt; i++) {
1456 if( anVrts(i) == -1 ) continue;
1457 vertices->Add(WLine->Vertex(i).PntOn2S());
1458 }
1459 return vertices;
1460}
1461
1462static Standard_Boolean AreSamePoints(const IntSurf_PntOn2S& P1,
1463 const IntSurf_PntOn2S& P2)
1464{
1465 Standard_Boolean result = Standard_False;
1466 Standard_Real T2D = 1.e-9, T3D = 1.e-8;
1467 const gp_Pnt& P3D1 = P1.Value();
1468 const gp_Pnt& P3D2 = P2.Value();
1469 if(P3D1.Distance(P3D2) <= T3D) {
1470 Standard_Real U1 = 0., V1 = 0., U2 = 0., V2 = 0., U3 = 0., V3 = 0., U4 = 0., V4 = 0.;
1471 P1.ParametersOnS1(U1,V1);
1472 P1.ParametersOnS2(U2,V2);
1473 P2.ParametersOnS1(U3,V3);
1474 P2.ParametersOnS2(U4,V4);
1475 gp_Pnt2d P2D11(U1,V1);
1476 gp_Pnt2d P2D12(U2,V2);
1477 gp_Pnt2d P2D21(U3,V3);
1478 gp_Pnt2d P2D22(U4,V4);
1479 Standard_Boolean sameS1 = (P2D11.Distance(P2D21) <= T2D) ? Standard_True : Standard_False;
1480 Standard_Boolean sameS2 = (P2D12.Distance(P2D22) <= T2D) ? Standard_True : Standard_False;
1481 if(sameS1 && sameS2)
1482 result = Standard_True;
1483 }
1484 return result;
1485}
1486
1487static void ForcedPurgePoints(Handle(IntSurf_LineOn2S)& Result,
1488 Standard_Boolean IsReversed,
1489 IntSurf_Quadric& Quad)
1490{
1491 if(Result->NbPoints() <= 30) return;
1492 Standard_Integer Index = 0, IndexLimF = 8, IndexLimL = 8;
1493
3fa7e3e7 1494 Standard_Real U1 = 0., V1 = 0., U2 = 0., V2 = 0.;
7fd59977 1495 if(IsReversed) {
1496 Result->Value(1).ParametersOnS2(U1,V1);
1497 Result->Value(Result->NbPoints()).ParametersOnS2(U2,V2);
1498 }
1499 else {
3fa7e3e7 1500 Result->Value(1).ParametersOnS1(U1,V1);
1501 Result->Value(Result->NbPoints()).ParametersOnS1(U2,V2);
7fd59977 1502 }
1503
3fa7e3e7 1504 if(Quad.TypeQuadric() == GeomAbs_Cone) {
1505 Standard_Real Uapx = 0., Vapx = 0.;
1506 Quad.Parameters(Quad.Cone().Apex(),Uapx,Vapx);
1507
7fd59977 1508 if(fabs(V1-Vapx) <= 1.e-3)
1509 IndexLimF = 12;
1510 if(fabs(V2-Vapx) <= 1.e-3)
1511 IndexLimL = 12;
1512 }
1513
1514 if(Quad.TypeQuadric() == GeomAbs_Sphere) {
c6541a0c 1515 Standard_Real Vapx1 = M_PI/2., Vapx2 = -M_PI/2.;
3fa7e3e7 1516
7fd59977 1517 if(fabs(V1-Vapx1) <= 1.e-3 || fabs(V1-Vapx2) <= 1.e-3)
1518 IndexLimF = 12;
1519 if(fabs(V2-Vapx1) <= 1.e-3 || fabs(V2-Vapx2) <= 1.e-3)
1520 IndexLimL = 12;
1521 }
1522
1523 while(Result->NbPoints() > 2 && Index < IndexLimF) {
1524 Result->RemovePoint(2);
1525 Index++;
1526 }
1527 Index = 0;
1528 while(Result->NbPoints() > 2 && Index < IndexLimL) {
1529 Result->RemovePoint(Result->NbPoints()-1);
1530 Index++;
1531 }
1532}
1533
1534// DEBUG FUNCTION !!!
1535#if 0
1536static void DumpLine(Handle(IntSurf_LineOn2S)& Line,
1537 Standard_Boolean IsReversed,
1538 Standard_Integer Number)
1539{
1540 cout << "DUMP LINE" << endl;
1541 Standard_Integer i;
1542 Standard_Real U,V;
1543 for(i = 1; i <= Line->NbPoints(); i++) {
1544 if(i <= Number || i >= (Line->NbPoints()-Number)) {
1545 if(IsReversed)
1546 Line->Value(i).ParametersOnS2(U,V); // S2 - quadric
1547 else
1548 Line->Value(i).ParametersOnS1(U,V); // S1 - quadric
1549 cout << "point p" << i << " " << U << " " << V << endl;
1550 }
1551 }
1552 cout << endl;
1553}
1554#endif
1555// DEBUG FUNCTION !!!
1556
1557static void SearchVertices(const Handle(IntSurf_LineOn2S)& Line,
1558 const Handle(IntSurf_LineOn2S)& Vertices,
1559 TColStd_Array1OfInteger& PTypes)
1560{
1561 Standard_Integer nbp = Line->NbPoints(), nbv = Vertices->NbPoints();
1562 Standard_Integer ip = 0, iv = 0;
1563 for(ip = 1; ip <= nbp; ip++) {
1564 const IntSurf_PntOn2S& aP = Line->Value(ip);
1565 Standard_Integer type = 0;
1566 for(iv = 1; iv <= nbv; iv++) {
1567 const IntSurf_PntOn2S& aV = Vertices->Value(iv);
1568 if(AreSamePoints(aP,aV)) {
1569 type = iv;
1570 break;
1571 }
1572 }
1573 PTypes(ip) = type;
1574 }
1575}
1576
1577static inline Standard_Boolean IsSeamParameter(const Standard_Real U,
1578 const Standard_Real TOL2D)
1579{
c6541a0c 1580 return (fabs(U) <= TOL2D || fabs(2.*M_PI - U) <= TOL2D);
7fd59977 1581}
1582
1583static inline Standard_Real AdjustU(const Standard_Real U)
1584{
c6541a0c 1585 Standard_Real u = U, DBLPI = 2.*M_PI;
7fd59977 1586 if(u < 0. || u > DBLPI) {
1587 if(u < 0.)
1588 while(u < 0.)
1589 u += DBLPI;
1590 else
1591 while(u > DBLPI)
1592 u -= DBLPI;
1593 }
1594 return u;
1595}
1596
1597static inline void Correct2DBounds(const Standard_Real UF,
1598 const Standard_Real UL,
1599 const Standard_Real VF,
1600 const Standard_Real VL,
1601 const Standard_Real TOL2D,
1602 Standard_Real& U,
1603 Standard_Real& V)
1604{
1605 Standard_Real Eps = 1.e-16;
1606 Standard_Real dUF = fabs(U - UF);
1607 Standard_Real dUL = fabs(U - UL);
1608 Standard_Real dVF = fabs(V - VF);
1609 Standard_Real dVL = fabs(V - VL);
1610 if(dUF <= TOL2D && dUF > Eps) U = UF;
1611 if(dUL <= TOL2D && dUL > Eps) U = UL;
1612 if(dVF <= TOL2D && dVF > Eps) V = VF;
1613 if(dVL <= TOL2D && dVL > Eps) V = VL;
1614}
1615
1616static void AdjustLine(Handle(IntSurf_LineOn2S)& Line,
1617 const Standard_Boolean IsReversed,
1618 const Handle(Adaptor3d_HSurface)& QSurf,
1619 const Standard_Real TOL2D)
1620{
1621 Standard_Real VF = QSurf->FirstVParameter();
1622 Standard_Real VL = QSurf->LastVParameter();
1623 Standard_Real UF = QSurf->FirstUParameter();
1624 Standard_Real UL = QSurf->LastUParameter();
1625
1626 Standard_Integer nbp = Line->NbPoints(), ip = 0;
1627 Standard_Real U = 0., V = 0.;
1628 for(ip = 1; ip <= nbp; ip++) {
1629 if(IsReversed) {
1630 Line->Value(ip).ParametersOnS2(U,V);
1631 U = AdjustU(U);
1632 Correct2DBounds(UF,UL,VF,VL,TOL2D,U,V);
1633 Line->SetUV(ip,Standard_False,U,V);
1634 }
1635 else {
1636 Line->Value(ip).ParametersOnS1(U,V);
1637 U = AdjustU(U);
1638 Correct2DBounds(UF,UL,VF,VL,TOL2D,U,V);
1639 Line->SetUV(ip,Standard_True,U,V);
1640 }
1641 }
1642}
1643
1644static Standard_Boolean InsertSeamVertices(Handle(IntSurf_LineOn2S)& Line,
1645 const Standard_Boolean IsReversed,
1646 Handle(IntSurf_LineOn2S)& Vertices,
1647 const TColStd_Array1OfInteger& PTypes,
1648 const Standard_Real TOL2D)
1649{
1650 Standard_Boolean result = Standard_False;
1651 Standard_Integer ip = 0, nbp = Line->NbPoints();
1652 Standard_Real U = 0., V = 0.;
1653 for(ip = 1; ip <= nbp; ip++) {
1654 Standard_Integer ipt = PTypes(ip);
1655 if(ipt != 0) {
1656 const IntSurf_PntOn2S& aP = Line->Value(ip);
1657 if(IsReversed)
1658 aP.ParametersOnS2(U,V); // S2 - quadric
1659 else
1660 aP.ParametersOnS1(U,V); // S1 - quadric
1661 U = AdjustU(U);
1662 if(IsSeamParameter(U,TOL2D)) {
1663 if(ip == 1 || ip == nbp) {
1664 Standard_Real U1 = 0., V1 = 0.;
1665 Standard_Integer ipp = (ip == 1) ? (ip+1) : (ip-1);
1666 if(IsReversed)
1667 Line->Value(ipp).ParametersOnS2(U1,V1); // S2 - quadric
1668 else
1669 Line->Value(ipp).ParametersOnS1(U1,V1); // S1 - quadric
1670 Standard_Real u = AdjustUFirst(U,U1);
c6541a0c 1671 if(fabs(u-U) >= 1.5*M_PI) {
7fd59977 1672 Standard_Real U2 = 0., V2 = 0.;
1673 if(IsReversed) {
1674 Line->Value(ip).ParametersOnS1(U2,V2); // prm
1675 Line->SetUV(ip,Standard_False,u,V);
1676 Line->SetUV(ip,Standard_True,U2,V2);
1677 }
1678 else {
1679 Line->Value(ip).ParametersOnS2(U2,V2); // prm
1680 Line->SetUV(ip,Standard_True,u,V);
1681 Line->SetUV(ip,Standard_False,U2,V2);
1682 }
1683 }
1684 }
1685 else {
1686 Standard_Integer ipp = ip - 1;
1687 Standard_Integer ipn = ip + 1;
1688 Standard_Real U1 = 0., V1 = 0., U2 = 0., V2 = 0.;
1689 if(IsReversed) {
1690 Line->Value(ipp).ParametersOnS2(U1,V1); // quad
1691 Line->Value(ipn).ParametersOnS2(U2,V2); // quad
1692 }
1693 else {
1694 Line->Value(ipp).ParametersOnS1(U1,V1); // quad
1695 Line->Value(ipn).ParametersOnS1(U2,V2); // quad
1696 }
1697 U1 = AdjustU(U1);
1698 U2 = AdjustU(U2);
c6541a0c
D
1699 Standard_Boolean pnearZero = (fabs(U1) < fabs(2.*M_PI-U1)) ? Standard_True : Standard_False;
1700 Standard_Boolean cnearZero = (fabs(U) < fabs(2.*M_PI-U)) ? Standard_True : Standard_False;
7fd59977 1701 if(pnearZero == cnearZero) {
1702 if(!IsSeamParameter(U2,TOL2D) && !IsSeamParameter(U1,TOL2D)) {
c6541a0c 1703 Standard_Real nU = (cnearZero) ? (2.*M_PI) : 0.;
7fd59977 1704 IntSurf_PntOn2S nP;
1705 nP.SetValue(aP.Value());
1706 Standard_Real U3 = 0., V3 = 0.;
1707 if(IsReversed) {
1708 Line->Value(ip).ParametersOnS1(U3,V3); // prm
1709 nP.SetValue(Standard_False,nU,V);
1710 nP.SetValue(Standard_True,U3,V3);
1711 }
1712 else {
1713 Line->Value(ip).ParametersOnS2(U3,V3); // prm
1714 nP.SetValue(Standard_True,nU,V);
1715 nP.SetValue(Standard_False,U3,V3);
1716 }
1717 Line->InsertBefore(ipn,nP);
1718 Vertices->Add(nP);
1719 result = Standard_True;
1720 break;
1721 }
1722 }
1723 else {
1724 if(!IsSeamParameter(U2,TOL2D) && !IsSeamParameter(U1,TOL2D)) {
c6541a0c 1725 Standard_Real nU = (cnearZero) ? (2.*M_PI) : 0.;
7fd59977 1726 IntSurf_PntOn2S nP;
1727 nP.SetValue(aP.Value());
1728 Standard_Real U3 = 0., V3 = 0.;
1729 if(IsReversed) {
1730 Line->Value(ip).ParametersOnS1(U3,V3); // prm
1731 nP.SetValue(Standard_False,nU,V);
1732 nP.SetValue(Standard_True,U3,V3);
1733 }
1734 else {
1735 Line->Value(ip).ParametersOnS2(U3,V3); // prm
1736 nP.SetValue(Standard_True,nU,V);
1737 nP.SetValue(Standard_False,U3,V3);
1738 }
1739 Line->InsertBefore(ip,nP);
1740 Vertices->Add(nP);
1741 result = Standard_True;
1742 break;
1743 }
1744 else {
1745// Line->InsertBefore(ip,Line->Value(ipn));
1746// Line->RemovePoint(ip+2);
1747// result = Standard_True;
1748// cout << "swap vertex " << endl;
1749// break;
1750 }
1751 }
1752 }
1753 }
1754 }
1755 }
1756 return result;
1757}
1758
1759static void ToSmooth(Handle(IntSurf_LineOn2S)& Line,
1760 Standard_Boolean IsReversed,
1761 IntSurf_Quadric& Quad,
1762 Standard_Boolean IsFirst,
1763 Standard_Real& D3D)
1764{
1765 if(Line->NbPoints() <= 10)
1766 return;
1767
1768 D3D = 0.;
1769 Standard_Integer NbTestPnts = Line->NbPoints() / 5;
1770 if(NbTestPnts < 5) NbTestPnts = 5;
1771
1772 Standard_Integer startp = (IsFirst) ? 2 : (Line->NbPoints() - NbTestPnts - 2);
1773 Standard_Integer ip = 0;
1774 Standard_Real Uc = 0., Vc = 0., Un = 0., Vn = 0., DDU = 0., DDV = 0.;
1775
1776 for(ip = startp; ip <= NbTestPnts; ip++) {
1777 if(IsReversed) {
1778 Line->Value(ip).ParametersOnS2(Uc,Vc); // S2 - quadric
1779 Line->Value(ip+1).ParametersOnS2(Un,Vn);
1780 }
1781 else {
1782 Line->Value(ip).ParametersOnS1(Uc,Vc); // S1 - quadric
1783 Line->Value(ip+1).ParametersOnS1(Un,Vn);
1784 }
1785 DDU += fabs(fabs(Uc)-fabs(Un));
1786 DDV += fabs(fabs(Vc)-fabs(Vn));
1787
1788 if(ip > startp) {
1789 Standard_Real DP = Line->Value(ip).Value().Distance(Line->Value(ip-1).Value());
1790 D3D += DP;
1791 }
1792 }
1793
1794 DDU /= (Standard_Real) NbTestPnts + 1;
1795 DDV /= (Standard_Real) NbTestPnts + 1;
1796
1797 D3D /= (Standard_Real) NbTestPnts + 1;
1798
1799
1800 Standard_Integer Index1 = (IsFirst) ? 1 : (Line->NbPoints());
1801 Standard_Integer Index2 = (IsFirst) ? 2 : (Line->NbPoints()-1);
1802 Standard_Integer Index3 = (IsFirst) ? 3 : (Line->NbPoints()-2);
1803
1804 Standard_Boolean doU = Standard_False;
7fd59977 1805
1806 Standard_Real U1 = 0., U2 = 0., V1 = 0., V2 = 0., U3 = 0., V3 = 0.;
1807
1808 if(IsReversed) {
1809 Line->Value(Index1).ParametersOnS2(U1,V1); // S2 - quadric
1810 Line->Value(Index2).ParametersOnS2(U2,V2);
1811 Line->Value(Index3).ParametersOnS2(U3,V3);
1812 }
1813 else {
1814 Line->Value(Index1).ParametersOnS1(U1,V1); // S1 - quadric
1815 Line->Value(Index2).ParametersOnS1(U2,V2);
1816 Line->Value(Index3).ParametersOnS1(U3,V3);
1817 }
1818
1819 if(!doU && Quad.TypeQuadric() == GeomAbs_Sphere) {
c6541a0c 1820 if(fabs(fabs(U1)-fabs(U2)) > (M_PI/16.)) doU = Standard_True;
7fd59977 1821
c6541a0c
D
1822 if(doU && (fabs(U1) <= 1.e-9 || fabs(U1-2.*M_PI) <= 1.e-9)) {
1823 if(fabs(V1-M_PI/2.) <= 1.e-9 || fabs(V1+M_PI/2.) <= 1.e-9) {}
7fd59977 1824 else {
1825 doU = Standard_False;
1826 }
1827 }
1828 }
1829
1830 if(Quad.TypeQuadric() == GeomAbs_Cone) {
1831 Standard_Real Uapx = 0., Vapx = 0.;
1832 Quad.Parameters(Quad.Cone().Apex(),Uapx,Vapx);
1833
c6541a0c 1834 if(fabs(fabs(U1)-fabs(U2)) > M_PI/32.) doU = Standard_True;
7fd59977 1835
c6541a0c 1836 if(doU && (fabs(U1) <= 1.e-9 || fabs(U1-2.*M_PI) <= 1.e-9)) {
7fd59977 1837 if(fabs(V1-Vapx) <= 1.e-9) {}
1838 else {
1839 doU = Standard_False;
1840 }
1841 }
1842 }
1843
7fd59977 1844 if(doU) {
1845 Standard_Real dU = Min((DDU/10.),5.e-8);
1846 Standard_Real U = (U2 > U3) ? (U2 + dU) : (U2 - dU);
1847 if(IsReversed)
1848 Line->SetUV(Index1,Standard_False,U,V1);
1849 else
1850 Line->SetUV(Index1,Standard_True,U,V1);
1851 U1 = U;
1852 }
1853}
1854
1855static Standard_Boolean TestMiddleOnPrm(const IntSurf_PntOn2S& aP,
1856 const IntSurf_PntOn2S& aV,
1857 const Standard_Boolean IsReversed,
1858 const Standard_Real ArcTol,
1859 Handle(Adaptor3d_TopolTool)& PDomain)
1860
1861{
1862 Standard_Boolean result = Standard_False;
1863 Standard_Real Up = 0., Vp = 0., Uv = 0., Vv = 0.;
1864 if(IsReversed) {
1865 aP.ParametersOnS1(Up,Vp); //S1 - parametric
1866 aV.ParametersOnS1(Uv,Vv);
1867 }
1868 else {
1869 aP.ParametersOnS2(Up,Vp); // S2 - parametric
1870 aV.ParametersOnS2(Uv,Vv);
1871 }
1872 Standard_Real Um = (Up + Uv)*0.5, Vm = (Vp + Vv)*0.5;
1873 gp_Pnt2d a2DPntM(Um,Vm);
1874 TopAbs_State PosM = PDomain->Classify(a2DPntM,ArcTol);
1875 if(PosM == TopAbs_ON || PosM == TopAbs_IN )
1876 result = Standard_True;
1877 return result;
1878}
1879
1880static void VerifyVertices(Handle(IntSurf_LineOn2S)& Line,
1881 Standard_Boolean IsReversed,
1882 Handle(IntSurf_LineOn2S)& Vertices,
1883 Standard_Real TOL2D,
1884 const Standard_Real ArcTol,
1885 Handle(Adaptor3d_TopolTool)& PDomain,
1886 IntSurf_PntOn2S& VrtF,
1887 Standard_Boolean& AddFirst,
1888 IntSurf_PntOn2S& VrtL,
1889 Standard_Boolean& AddLast)
1890{
1891 Standard_Integer nbp = Line->NbPoints(), nbv = Vertices->NbPoints();
1892 Standard_Integer FIndexSame = 0, FIndexNear = 0, LIndexSame = 0, LIndexNear = 0;
1893 const IntSurf_PntOn2S& aPF = Line->Value(1);
1894 const IntSurf_PntOn2S& aPL = Line->Value(nbp);
1895 Standard_Real UF = 0., VF = 0., UL = 0., VL = 0.;
1896 if(IsReversed) {
1897 aPF.ParametersOnS2(UF,VF);
1898 aPL.ParametersOnS2(UL,VL);
1899 }
1900 else {
1901 aPF.ParametersOnS1(UF,VF);
1902 aPL.ParametersOnS1(UL,VL);
1903 }
1904 gp_Pnt2d a2DPF(UF,VF);
1905 gp_Pnt2d a2DPL(UL,VL);
1906 Standard_Real DistMinF = 1.e+100, DistMinL = 1.e+100;
1907 Standard_Integer FConjugated = 0, LConjugated = 0;
1908
1909 Standard_Integer iv = 0;
1910
1911 for(iv = 1; iv <= nbv; iv++) {
1912 Standard_Real Uv = 0., Vv = 0.;
1913 if(IsReversed) {
1914 Vertices->Value(iv).ParametersOnS2(Uv,Vv);
1915 Uv = AdjustU(Uv);
1916 Vertices->SetUV(iv,Standard_False,Uv,Vv);
1917 }
1918 else {
1919 Vertices->Value(iv).ParametersOnS1(Uv,Vv);
1920 Uv = AdjustU(Uv);
1921 Vertices->SetUV(iv,Standard_True,Uv,Vv);
1922 }
1923 }
1924
1925 for(iv = 1; iv <= nbv; iv++) {
1926 const IntSurf_PntOn2S& aV = Vertices->Value(iv);
1927 if(AreSamePoints(aPF,aV)) {
1928 FIndexSame = iv;
1929 break;
1930 }
1931 else {
1932 Standard_Real Uv = 0., Vv = 0.;
1933 if(IsReversed)
1934 aV.ParametersOnS2(Uv,Vv);
1935 else
1936 aV.ParametersOnS1(Uv,Vv);
1937 gp_Pnt2d a2DV(Uv,Vv);
1938 Standard_Real Dist = a2DV.Distance(a2DPF);
1939 if(Dist < DistMinF) {
1940 DistMinF = Dist;
1941 FIndexNear = iv;
1942 if(FConjugated != 0)
1943 FConjugated = 0;
1944 }
1945 if(IsSeamParameter(Uv,TOL2D)) {
c6541a0c 1946 Standard_Real Ucv = (fabs(Uv) < fabs(2.*M_PI-Uv)) ? (2.*M_PI) : 0.;
7fd59977 1947 gp_Pnt2d a2DCV(Ucv,Vv);
1948 Standard_Real CDist = a2DCV.Distance(a2DPF);
1949 if(CDist < DistMinF) {
1950 DistMinF = CDist;
1951 FConjugated = iv;
1952 FIndexNear = iv;
1953 }
1954 }
1955 }
1956 }
1957
1958 for(iv = 1; iv <= nbv; iv++) {
1959 const IntSurf_PntOn2S& aV = Vertices->Value(iv);
1960 if(AreSamePoints(aPL,aV)) {
1961 LIndexSame = iv;
1962 break;
1963 }
1964 else {
1965 Standard_Real Uv = 0., Vv = 0.;
1966 if(IsReversed)
1967 aV.ParametersOnS2(Uv,Vv);
1968 else
1969 aV.ParametersOnS1(Uv,Vv);
1970 gp_Pnt2d a2DV(Uv,Vv);
1971 Standard_Real Dist = a2DV.Distance(a2DPL);
1972 if(Dist < DistMinL) {
1973 DistMinL = Dist;
1974 LIndexNear = iv;
1975 if(LConjugated != 0)
1976 LConjugated = 0;
1977 }
1978 if(IsSeamParameter(Uv,TOL2D)) {
c6541a0c 1979 Standard_Real Ucv = (fabs(Uv) < fabs(2.*M_PI-Uv)) ? (2.*M_PI) : 0.;
7fd59977 1980 gp_Pnt2d a2DCV(Ucv,Vv);
1981 Standard_Real CDist = a2DCV.Distance(a2DPL);
1982 if(CDist < DistMinL) {
1983 DistMinL = CDist;
1984 LConjugated = iv;
1985 LIndexNear = iv;
1986 }
1987 }
1988 }
1989 }
1990
1991 AddFirst = Standard_False;
1992 AddLast = Standard_False;
1993
1994 if(FIndexSame == 0) {
1995 if(FIndexNear != 0) {
1996 const IntSurf_PntOn2S& aV = Vertices->Value(FIndexNear);
1997 Standard_Real Uv = 0., Vv = 0.;
1998 if(IsReversed)
1999 aV.ParametersOnS2(Uv,Vv);
2000 else
2001 aV.ParametersOnS1(Uv,Vv);
2002 if(IsSeamParameter(Uv,TOL2D)) {
c6541a0c 2003 Standard_Real Ucv = (fabs(Uv) < fabs(2.*M_PI-Uv)) ? (2.*M_PI) : 0.;
7fd59977 2004 Standard_Boolean test = TestMiddleOnPrm(aPF,aV,IsReversed,ArcTol,PDomain);
2005 if(test) {
2006 VrtF.SetValue(aV.Value());
2007 if(IsReversed) {
2008 Standard_Real U2 = 0., V2 = 0.;
2009 aV.ParametersOnS1(U2,V2); // S1 - prm
2010 VrtF.SetValue(Standard_True,U2,V2);
2011 if(FConjugated == 0)
2012 VrtF.SetValue(Standard_False,Uv,Vv);
2013 else
2014 VrtF.SetValue(Standard_False,Ucv,Vv);
2015 }
2016 else {
2017 Standard_Real U2 = 0., V2 = 0.;
2018 aV.ParametersOnS2(U2,V2); // S2 - prm
2019 VrtF.SetValue(Standard_False,U2,V2);
2020 if(FConjugated == 0)
2021 VrtF.SetValue(Standard_True,Uv,Vv);
2022 else
2023 VrtF.SetValue(Standard_True,Ucv,Vv);
2024 }
2025 Standard_Real Dist3D = VrtF.Value().Distance(aPF.Value());
2026 if(Dist3D > 1.5e-7 && DistMinF > TOL2D) {
2027 AddFirst = Standard_True;
2028 }
2029 }
2030 }
2031 else {
2032 // to do: analyze internal vertex
2033 }
2034 }
2035 }
2036
2037 if(LIndexSame == 0) {
2038 if(LIndexNear != 0) {
2039 const IntSurf_PntOn2S& aV = Vertices->Value(LIndexNear);
2040 Standard_Real Uv = 0., Vv = 0.;
2041 if(IsReversed)
2042 aV.ParametersOnS2(Uv,Vv);
2043 else
2044 aV.ParametersOnS1(Uv,Vv);
2045 if(IsSeamParameter(Uv,TOL2D)) {
c6541a0c 2046 Standard_Real Ucv = (fabs(Uv) < fabs(2.*M_PI-Uv)) ? (2.*M_PI) : 0.;
7fd59977 2047 Standard_Boolean test = TestMiddleOnPrm(aPL,aV,IsReversed,ArcTol,PDomain);
2048 if(test) {
2049 VrtL.SetValue(aV.Value());
2050 if(IsReversed) {
2051 Standard_Real U2 = 0., V2 = 0.;
2052 aV.ParametersOnS1(U2,V2); // S1 - prm
2053 VrtL.SetValue(Standard_True,U2,V2);
2054 if(LConjugated == 0)
2055 VrtL.SetValue(Standard_False,Uv,Vv);
2056 else
2057 VrtL.SetValue(Standard_False,Ucv,Vv);
2058 }
2059 else {
2060 Standard_Real U2 = 0., V2 = 0.;
2061 aV.ParametersOnS2(U2,V2); // S2 - prm
2062 VrtL.SetValue(Standard_False,U2,V2);
2063 if(LConjugated == 0)
2064 VrtL.SetValue(Standard_True,Uv,Vv);
2065 else
2066 VrtL.SetValue(Standard_True,Ucv,Vv);
2067 }
2068 Standard_Real Dist3D = VrtL.Value().Distance(aPL.Value());
2069 if(Dist3D > 1.5e-7 && DistMinL > TOL2D) {
2070 AddLast = Standard_True;
2071 }
2072 }
2073 }
2074 else {
2075 // to do: analyze internal vertex
2076 }
2077 }
2078 }
2079}
2080
2081static Standard_Boolean AddVertices(Handle(IntSurf_LineOn2S)& Line,
2082 const IntSurf_PntOn2S& VrtF,
2083 const Standard_Boolean AddFirst,
2084 const IntSurf_PntOn2S& VrtL,
2085 const Standard_Boolean AddLast,
2086 const Standard_Real D3DF,
2087 const Standard_Real D3DL)
2088{
2089 Standard_Boolean result = Standard_False;
2090 if(AddFirst) {
2091 Standard_Real DF = Line->Value(1).Value().Distance(VrtF.Value());
2092 if((D3DF*2.) > DF && DF > 1.5e-7) {
2093 Line->InsertBefore(1,VrtF);
2094 result = Standard_True;
2095 }
2096 }
2097 if(AddLast) {
2098 Standard_Real DL = Line->Value(Line->NbPoints()).Value().Distance(VrtL.Value());
2099 if((D3DL*2.) > DL && DL > 1.5e-7) {
2100 Line->Add(VrtL);
2101 result = Standard_True;
2102 }
2103 }
2104 return result;
2105}
2106
2107
2108static void PutIntVertices(Handle(IntPatch_Line)& Line,
2109 Handle(IntSurf_LineOn2S)& Result,
2110 Standard_Boolean ,//IsReversed,
2111 Handle(IntSurf_LineOn2S)& Vertices,
2112 const Standard_Real ArcTol)
2113{
2114 Standard_Integer nbp = Result->NbPoints(), nbv = Vertices->NbPoints();
2115
2116 if(nbp < 3)
2117 return;
2118
2119 Handle(IntPatch_WLine)& WLine = (*((Handle(IntPatch_WLine)*)&Line));
2120 Standard_Integer ip = 0, iv = 0;
2121 gp_Pnt aPnt;
2122 IntPatch_Point thePnt;
2123 Standard_Real U1 = 0., V1 = 0., U2 = 0., V2 = 0.;
2124
2125 for(ip = 2; ip <= (nbp-1); ip++) {
2126 const IntSurf_PntOn2S& aP = Result->Value(ip);
2127 for(iv = 1; iv <= nbv; iv++) {
2128 const IntSurf_PntOn2S& aV = Vertices->Value(iv);
2129 if(AreSamePoints(aP,aV)) {
2130 aPnt = Result->Value(ip).Value();
2131 Result->Value(ip).ParametersOnS1(U1,V1);
2132 Result->Value(ip).ParametersOnS2(U2,V2);
2133 thePnt.SetValue(aPnt,ArcTol,Standard_False);
2134 thePnt.SetParameters(U1,V1,U2,V2);
2135 thePnt.SetParameter((Standard_Real)ip);
2136 WLine->AddVertex(thePnt);
2137 }
2138 }
2139 }
2140}
2141
2142static Standard_Boolean HasInternals(Handle(IntSurf_LineOn2S)& Line,
2143 Handle(IntSurf_LineOn2S)& Vertices)
2144{
2145 Standard_Integer nbp = Line->NbPoints(), nbv = Vertices->NbPoints();
2146 Standard_Integer ip = 0, iv = 0;
2147 Standard_Boolean result = Standard_False;
2148
2149 if(nbp < 3)
2150 return result;
2151
2152 for(ip = 2; ip <= (nbp-1); ip++) {
2153 const IntSurf_PntOn2S& aP = Line->Value(ip);
2154 for(iv = 1; iv <= nbv; iv++) {
2155 const IntSurf_PntOn2S& aV = Vertices->Value(iv);
2156 if(AreSamePoints(aP,aV)) {
2157 result = Standard_True;
2158 break;
2159 }
2160 }
2161 if(result)
2162 break;
2163 }
2164
2165 return result;
2166}
2167static Handle(IntPatch_WLine) MakeSplitWLine (Handle(IntPatch_WLine)& WLine,
2168 Standard_Boolean Tang,
2169 IntSurf_TypeTrans Trans1,
2170 IntSurf_TypeTrans Trans2,
2171 Standard_Real ArcTol,
2172 Standard_Integer ParFirst,
2173 Standard_Integer ParLast)
2174{
2175 Handle(IntSurf_LineOn2S) SLine = WLine->Curve();
2176 Handle(IntSurf_LineOn2S) sline = new IntSurf_LineOn2S();
2177
2178 Standard_Integer ip = 0;
2179 for(ip = ParFirst; ip <= ParLast; ip++)
2180 sline->Add(SLine->Value(ip));
2181
2182 Handle(IntPatch_WLine) wline = new IntPatch_WLine(sline,Tang,Trans1,Trans2);
2183
2184 gp_Pnt aSPnt;
2185 IntPatch_Point TPntF,TPntL;
2186 Standard_Real uu1 = 0., vv1 = 0., uu2 = 0., vv2 = 0.;
2187
2188 aSPnt = sline->Value(1).Value();
2189 sline->Value(1).ParametersOnS1(uu1,vv1);
2190 sline->Value(1).ParametersOnS2(uu2,vv2);
2191 TPntF.SetValue(aSPnt,ArcTol,Standard_False);
2192 TPntF.SetParameters(uu1,vv1,uu2,vv2);
2193 TPntF.SetParameter(1.);
2194 wline->AddVertex(TPntF);
2195 wline->SetFirstPoint(1);
2196
2197 aSPnt = sline->Value(sline->NbPoints()).Value();
2198 sline->Value(sline->NbPoints()).ParametersOnS1(uu1,vv1);
2199 sline->Value(sline->NbPoints()).ParametersOnS2(uu2,vv2);
2200 TPntL.SetValue(aSPnt,ArcTol,Standard_False);
2201 TPntL.SetParameters(uu1,vv1,uu2,vv2);
2202 TPntL.SetParameter((Standard_Real)sline->NbPoints());
2203 wline->AddVertex(TPntL);
2204 wline->SetLastPoint(sline->NbPoints());
2205
2206 return wline;
2207}
2208
2209static Standard_Boolean SplitOnSegments(Handle(IntPatch_WLine)& WLine,
2210 Standard_Boolean Tang,
2211 IntSurf_TypeTrans Trans1,
2212 IntSurf_TypeTrans Trans2,
2213 Standard_Real ArcTol,
2214 IntPatch_SequenceOfLine& Segments)
2215{
2216 Standard_Boolean result = Standard_False;
2217 Segments.Clear();
2218
2219 Standard_Integer nbv = WLine->NbVertex();
2220 if(nbv > 3) {
2221 Standard_Integer iv = 0;
2222 for(iv = 1; iv < nbv; iv++) {
2223 Standard_Integer firstPar = (Standard_Integer) WLine->Vertex(iv).ParameterOnLine();
2224 Standard_Integer lastPar = (Standard_Integer) WLine->Vertex(iv+1).ParameterOnLine();
2225 if((lastPar - firstPar) <= 1)
2226 continue;
2227 else {
2228 Handle(IntPatch_WLine) splitwline = MakeSplitWLine(WLine,Tang,Trans1,Trans2,ArcTol,firstPar,lastPar);
2229 Segments.Append(splitwline);
2230 if(!result)
2231 result = Standard_True;
2232 }
2233 }
2234 }
2235 return result;
2236}
2237
2238void DecomposeResult(Handle(IntPatch_Line)& Line,
2239 Standard_Boolean IsReversed,
2240 IntSurf_Quadric& Quad,
2241 Handle(Adaptor3d_TopolTool)& PDomain,
2242 Handle(Adaptor3d_HSurface)& QSurf,
2243 Standard_Real ArcTol,
2244 IntPatch_SequenceOfLine& Lines)
2245{
2246 if( Line->ArcType() != IntPatch_Walking ) {
2247 Lines.Append(Line);
2248 return;
2249 }
2250
2251 Handle(IntPatch_WLine)& WLine = (*((Handle(IntPatch_WLine)*)&Line));
2252 Handle(IntSurf_LineOn2S) SLine = WLine->Curve();
2253
2254 if(SLine->NbPoints() <= 2) {
2255 Lines.Append(Line);
2256 return;
2257 }
2258
2259 Standard_Real TOL3D = 1.e-10, TOL2D = 1.e-8, TOL2DS = 1.e-5;
2260
2261 Handle(IntSurf_LineOn2S) vline = GetVertices(WLine,IsReversed,TOL3D,TOL2D);
2262 Handle(IntSurf_LineOn2S) SSLine = VSplitLine(SLine,IsReversed,QSurf,vline);
2263
2264 if(SSLine->NbPoints() <= 1)
2265 return;
2266
2267 AdjustLine(SSLine,IsReversed,QSurf,TOL2D);
2268
2269 Standard_Boolean isInserted = Standard_True;
2270 while(isInserted) {
2271 Standard_Integer NbPnts = SSLine->NbPoints();
2272 TColStd_Array1OfInteger ptypes(1,NbPnts);
2273 SearchVertices(SSLine,vline,ptypes);
2274 isInserted = InsertSeamVertices(SSLine,IsReversed,vline,ptypes,TOL2D);
2275 }
2276
2277 if(SSLine->NbPoints() == 2) {
2278 Standard_Real uu1 = 0., vv1 = 0., uu2 = 0., vv2 = 0.;
2279 if(IsReversed) {
2280 SSLine->Value(1).ParametersOnS2(uu1,vv1);
2281 SSLine->Value(2).ParametersOnS2(uu2,vv2);
2282 }
2283 else {
2284 SSLine->Value(1).ParametersOnS1(uu1,vv1);
2285 SSLine->Value(2).ParametersOnS1(uu2,vv2);
2286 }
2287 gp_Pnt2d p1(uu1,vv1);
2288 gp_Pnt2d p2(uu2,vv2);
2289 if(p1.Distance(p2) > 2.e-7) {
2290 Standard_Real Dist3D = SSLine->Value(1).Value().Distance(SSLine->Value(2).Value());
2291 if(Dist3D > 3.e-7) {
2292 gp_Pnt aSPnt;
2293 IntPatch_Point TPntF,TPntL;
2294 Handle(IntPatch_WLine) wline = new IntPatch_WLine(SSLine,Standard_False,Line->TransitionOnS1(),Line->TransitionOnS2());
2295 aSPnt = SSLine->Value(1).Value();
2296 SSLine->Value(1).ParametersOnS1(uu1,vv1);
2297 SSLine->Value(1).ParametersOnS2(uu2,vv2);
2298 TPntF.SetValue(aSPnt,ArcTol,Standard_False);
2299 TPntF.SetParameters(uu1,vv1,uu2,vv2);
2300 TPntF.SetParameter(1.);
2301 wline->AddVertex(TPntF);
2302 wline->SetFirstPoint(1);
2303 aSPnt = SSLine->Value(SSLine->NbPoints()).Value();
2304 SSLine->Value(SSLine->NbPoints()).ParametersOnS1(uu1,vv1);
2305 SSLine->Value(SSLine->NbPoints()).ParametersOnS2(uu2,vv2);
2306 TPntL.SetValue(aSPnt,ArcTol,Standard_False);
2307 TPntL.SetParameters(uu1,vv1,uu2,vv2);
2308 TPntL.SetParameter(SSLine->NbPoints());
2309 wline->AddVertex(TPntL);
2310 wline->SetLastPoint(SSLine->NbPoints());
2311 Lines.Append(wline);
2312 return;
2313 }
2314 else
2315 return;
2316 }
2317 else
2318 return;
2319 }
2320
2321 Standard_Integer NbPnts = SSLine->NbPoints();
2322
c6541a0c
D
2323 Standard_Real BSEAM = 1.5*M_PI; // delta U crossing seam
2324 Standard_Real BAPEX = M_PI/16.; // delta U crossing apex
7fd59977 2325
6e6cd5d9 2326 Standard_Integer k = 0;
96a95605 2327 Standard_Real U1 = 0., U2 = 0., V1 = 0., V2 = 0., AnU1 = 0.;
7fd59977 2328 Standard_Integer Findex = 1, Lindex = NbPnts, Bindex = 0;
2329
2330 gp_Pnt aPnt, aSPnt;
2331 IntPatch_Point TPntF,TPntL,TPntS;
2332
2333 Handle(IntSurf_LineOn2S) sline = new IntSurf_LineOn2S();
2334 Handle(IntPatch_WLine) wline;
2335 IntPatch_SequenceOfLine lines;
2336
2337 // build WLine parts (if any)
2338 nextline:;
2339
2340 //if((Lindex-Findex+1) <= 2 )
2341 if((Lindex-Findex+1) <= 1 )
2342 return;
2343
2344 // reset variables
2345 Standard_Boolean isDecomposited = Standard_False;
96a95605 2346 U1 = 0.; V1 = 0.; U2 = 0.; V2 = 0.; AnU1 = 0.;
7fd59977 2347
2348 // analyze other points
2349 for(k = Findex; k <= Lindex; k++) {
2350
2351 if( k == Findex ) {
2352
2353 if(IsReversed) {
2354 SSLine->Value(k).ParametersOnS2(AnU1,V1); // S2 - quadric, set U,V by Pnt3D
2355 }
2356 else {
2357 SSLine->Value(k).ParametersOnS1(AnU1,V1); // S1 - quadric, set U,V by Pnt3D
2358 }
2359 sline->Add(SSLine->Value(k));
7fd59977 2360 continue;
2361 }
2362
2363 if(IsReversed) {
2364 SSLine->Value(k).ParametersOnS2(U1,V1); // S2 - quadric, set U,V by Pnt3D
2365 }
2366 else {
2367 SSLine->Value(k).ParametersOnS1(U1,V1); // S1 - quadric, set U,V by Pnt3D
2368 }
2369
2370 Standard_Real DeltaU = fabs(U1-AnU1);
2371 if(DeltaU > BSEAM) {
2372 Bindex = k;
2373 isDecomposited = Standard_True;
7fd59977 2374 break;
2375 }
2376 else if((DeltaU > BAPEX) && (k >= (Findex+10) && k <= (Lindex-10))) {
2377 Bindex = k;
2378 isDecomposited = Standard_True;
2379 break;
2380 }
2381 else {}
2382
2383 sline->Add(SSLine->Value(k));
2384 AnU1=U1;
7fd59977 2385 }
2386
2387 IntSurf_PntOn2S aVF,aVL;
2388 Standard_Boolean addVF = Standard_False, addVL = Standard_False;
2389 VerifyVertices(sline,IsReversed,vline,TOL2DS,ArcTol,PDomain,aVF,addVF,aVL,addVL);
2390
2391 Standard_Boolean hasInternals = HasInternals(sline,vline);
2392
2393 Standard_Real D3F = 0., D3L = 0.;
2394 ToSmooth(sline,IsReversed,Quad,Standard_True,D3F);
2395 ToSmooth(sline,IsReversed,Quad,Standard_False,D3L);
2396
2397 if(D3F <= 1.5e-7 && sline->NbPoints() >=3) {
2398 D3F = sline->Value(2).Value().Distance(sline->Value(3).Value());
2399 }
2400 if(D3L <= 1.5e-7 && sline->NbPoints() >=3) {
2401 D3L = sline->Value(sline->NbPoints()-1).Value().Distance(sline->Value(sline->NbPoints()-2).Value());
2402 }
2403
2404 if(addVF || addVL) {
2405 Standard_Boolean isAdded = AddVertices(sline,aVF,addVF,aVL,addVL,D3F,D3L);
2406 if(isAdded) {
2407 ToSmooth(sline,IsReversed,Quad,Standard_True,D3F);
2408 ToSmooth(sline,IsReversed,Quad,Standard_False,D3L);
2409 }
2410 }
2411
2412 if(!hasInternals) {
2413 ForcedPurgePoints(sline,IsReversed,Quad);
2414 }
2415
2416 wline = new IntPatch_WLine(sline,Standard_False,Line->TransitionOnS1(),Line->TransitionOnS2());
2417
2418 aSPnt = sline->Value(1).Value();
2419 sline->Value(1).ParametersOnS1(U1,V1);
2420 sline->Value(1).ParametersOnS2(U2,V2);
2421 TPntF.SetValue(aSPnt,ArcTol,Standard_False);
2422 TPntF.SetParameters(U1,V1,U2,V2);
2423 TPntF.SetParameter(1.);
2424 wline->AddVertex(TPntF);
2425 wline->SetFirstPoint(1);
2426
2427 if(hasInternals) {
2428 PutIntVertices(wline,sline,IsReversed,vline,ArcTol);
2429 }
2430
2431 aSPnt = sline->Value(sline->NbPoints()).Value();
2432 sline->Value(sline->NbPoints()).ParametersOnS1(U1,V1);
2433 sline->Value(sline->NbPoints()).ParametersOnS2(U2,V2);
2434 TPntL.SetValue(aSPnt,ArcTol,Standard_False);
2435 TPntL.SetParameters(U1,V1,U2,V2);
2436 TPntL.SetParameter(sline->NbPoints());
2437 wline->AddVertex(TPntL);
2438 wline->SetLastPoint(sline->NbPoints());
2439
2440 IntPatch_SequenceOfLine segm;
2441 Standard_Boolean isSplited = SplitOnSegments(wline,Standard_False,Line->TransitionOnS1(),Line->TransitionOnS2(),ArcTol,segm);
2442
2443 if(!isSplited)
2444 Lines.Append(wline);
2445 else {
2446 Standard_Integer nbsegms = segm.Length();
2447 Standard_Integer iseg = 0;
2448 for(iseg = 1; iseg <= nbsegms; iseg++)
2449 Lines.Append(segm(iseg));
2450 }
2451
2452 if(isDecomposited) {
2453 Findex = Bindex;
2454 sline = new IntSurf_LineOn2S();
2455 goto nextline;
2456 }
2457}
2458/*
2459// <-A
2460 {
2461 Standard_Integer aNbPnts;
2462 Standard_Real aU1,aV1,aU2,aV2;
2463 gp_Pnt aPx;
2464 //
2465 aNbPnts=thelin->NbPoints();
2466 printf(" WLine: aNbPnts=%d\n", aNbPnts);
2467 for(i=1; i <= aNbPnts; ++i) {
2468 const IntSurf_PntOn2S& aPoint = thelin->Value(i);
2469 aPx=aPoint.Value();
2470 aPoint.Parameters(aU1, aV1, aU2, aV2);
2471 printf(" point %d %lf %lf %lf %lf %lf %lf %lf\n",
2472 i, aPx.X(), aPx.Y(), aPx.Z(), aU1, aV1, aU2, aV2);
2473 }
2474 }
2475*/