0025687: Visualization, XCAF - eliminate visual artifacts at the edges of faces
[occt.git] / src / IntPatch / IntPatch_PrmPrmIntersection.cxx
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b311480e 1// Created on: 1993-02-02
2// Created by: Laurent BUCHARD
3// Copyright (c) 1993-1999 Matra Datavision
973c2be1 4// Copyright (c) 1999-2014 OPEN CASCADE SAS
b311480e 5//
973c2be1 6// This file is part of Open CASCADE Technology software library.
b311480e 7//
d5f74e42 8// This library is free software; you can redistribute it and/or modify it under
9// the terms of the GNU Lesser General Public License version 2.1 as published
973c2be1 10// by the Free Software Foundation, with special exception defined in the file
11// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12// distribution for complete text of the license and disclaimer of any warranty.
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// modified by Edward AGAPOV (eap) Tue Jan 22 12:29:55 2002
18// modified by Oleg FEDYAED (ofv) Fri Nov 29 16:08:02 2002
19
20#include <IntPatch_PrmPrmIntersection.ixx>
21
47cbf134 22#include <IntPatch_InterferencePolyhedron.hxx>
23#include <IntWalk_PWalking.hxx>
7fd59977 24#include <IntPatch_WLine.hxx>
25#include <IntPatch_RstInt.hxx>
26
27#include <IntPatch_Line.hxx>
28
7fd59977 29#include <IntSurf_PntOn2S.hxx>
30#include <IntSurf_LineOn2S.hxx>
31#include <TColStd_Array1OfReal.hxx>
32#include <Intf_PIType.hxx>
33#include <Intf_SectionLine.hxx>
34#include <Intf_TangentZone.hxx>
35#include <Intf_SectionPoint.hxx>
36#include <gp_Pnt.hxx>
37#include <gp_Dir.hxx>
38#include <IntPolyh_Intersection.hxx>
39
40#include <TColStd_SequenceOfInteger.hxx>
41#include <IntSurf_ListIteratorOfListOfPntOn2S.hxx>
42#include <TColStd_HArray1OfReal.hxx>
43
44static void SectionPointToParameters(const Intf_SectionPoint& Sp,
00302ba4 45 const IntPatch_Polyhedron& Surf1,
46 const IntPatch_Polyhedron& Surf2,
47 Standard_Real& u1,
48 Standard_Real& v1,
49 Standard_Real& u2,
50 Standard_Real& v2);
7fd59977 51
52
53static
00302ba4 54void AdjustOnPeriodic(const Handle(Adaptor3d_HSurface)& Surf1,
55 const Handle(Adaptor3d_HSurface)& Surf2,
56 IntPatch_SequenceOfLine& aSLin);
7fd59977 57
b1c5c4e6 58static
00302ba4 59IntSurf_PntOn2S MakeNewPoint(const IntSurf_PntOn2S& replacePnt,
60 const IntSurf_PntOn2S& oldPnt,
61 const Standard_Real* Periods);
b1c5c4e6 62
a7dd5d0f 63static Standard_Boolean IsPointOnLine(const IntSurf_PntOn2S &thePOn2S,
64 const Handle(IntPatch_WLine) &theWLine,
65 const Standard_Real Deflection);
66
67static void AddWLine(IntPatch_SequenceOfLine &theLines,
68 const Handle(IntPatch_WLine) &theWLine,
69 const Standard_Real Deflection);
70
71
7fd59977 72//==================================================================================
73// function :
74// purpose :
75//==================================================================================
76IntPatch_PrmPrmIntersection::IntPatch_PrmPrmIntersection(): done(Standard_False)
77{
78}
79
80//==================================================================================
81// function : Perform
82// purpose :
83//==================================================================================
84void IntPatch_PrmPrmIntersection::Perform (const Handle(Adaptor3d_HSurface)& Surf1,
00302ba4 85 const Handle(Adaptor3d_TopolTool)& D1,
86 const Standard_Real TolTangency,
87 const Standard_Real Epsilon,
88 const Standard_Real Deflection,
89 const Standard_Real Increment)
7fd59977 90{
91 IntPatch_Polyhedron Poly1( Surf1, D1->NbSamplesU(), D1->NbSamplesV() );
92 Perform( Surf1, Poly1, D1, TolTangency, Epsilon, Deflection, Increment );
93}
94
95//==================================================================================
96// function : Perform
97// purpose :
98//==================================================================================
99void IntPatch_PrmPrmIntersection::Perform (const Handle(Adaptor3d_HSurface)& Surf1,
00302ba4 100 const IntPatch_Polyhedron& Poly1,
101 const Handle(Adaptor3d_TopolTool)& D1,
102 const Handle(Adaptor3d_HSurface)& Surf2,
103 const Handle(Adaptor3d_TopolTool)& D2,
104 const Standard_Real TolTangency,
105 const Standard_Real Epsilon,
106 const Standard_Real Deflection,
107 const Standard_Real Increment)
7fd59977 108{
109 IntPatch_Polyhedron Poly2( Surf2 );
110 Perform( Surf1, Poly1, D1, Surf2, Poly2, D2, TolTangency, Epsilon, Deflection, Increment);
111}
112
113//==================================================================================
114// function : Perform
115// purpose :
116//==================================================================================
117void IntPatch_PrmPrmIntersection::Perform (const Handle(Adaptor3d_HSurface)& Surf1,
00302ba4 118 const Handle(Adaptor3d_TopolTool)& D1,
119 const Handle(Adaptor3d_HSurface)& Surf2,
120 const IntPatch_Polyhedron& Poly2,
121 const Handle(Adaptor3d_TopolTool)& D2,
122 const Standard_Real TolTangency,
123 const Standard_Real Epsilon,
124 const Standard_Real Deflection,
125 const Standard_Real Increment)
7fd59977 126{
127 IntPatch_Polyhedron Poly1( Surf1 );
128 Perform( Surf1, Poly1, D1, Surf2, Poly2, D2, TolTangency, Epsilon, Deflection, Increment );
129}
130
131//==================================================================================
132// function : Perform
133// purpose :
134//==================================================================================
135void IntPatch_PrmPrmIntersection::Perform (const Handle(Adaptor3d_HSurface)& Surf1,
00302ba4 136 const IntPatch_Polyhedron& Poly1,
137 const Handle(Adaptor3d_TopolTool)& D1,
138 const Handle(Adaptor3d_HSurface)& Surf2,
139 const IntPatch_Polyhedron& Poly2,
140 const Handle(Adaptor3d_TopolTool)& D2,
141 const Standard_Real TolTangency,
142 const Standard_Real Epsilon,
143 const Standard_Real Deflection,
144 const Standard_Real Increment)
7fd59977 145{
47cbf134 146 IntPatch_InterferencePolyhedron Interference(Poly1,Poly2);
7fd59977 147 empt = Standard_True;
148 done = Standard_True;
149 SLin.Clear();
150
7fd59977 151 Standard_Integer nbLigSec = Interference.NbSectionLines();
152 Standard_Integer nbTanZon = Interference.NbTangentZones();
153
7fd59977 154 Standard_Integer NbLigCalculee = 0;
155
156 Standard_Real U1,U2,V1,V2;
157 Standard_Real pu1,pu2,pv1,pv2;
158
159 TColStd_Array1OfReal StartParams(1,4);
160
47cbf134 161 IntWalk_PWalking PW( Surf1, Surf2, TolTangency, Epsilon, Deflection, Increment );
00302ba4 162
7fd59977 163 Standard_Real SeuildPointLigne = 15.0 * Increment * Increment; //-- 10 est insuffisant
164 Standard_Real incidence;
165 Standard_Real dminiPointLigne;
166
167 Standard_Boolean HasStartPoint,RejetLigne;
168
169 IntSurf_PntOn2S StartPOn2S;
170
171 Standard_Integer ver;
172
173 gp_Pnt Point3dDebut,Point3dFin;
174
175 if( nbLigSec >= 1 ) {
176 Standard_Integer *TabL = new Standard_Integer [nbLigSec+1];
177 Standard_Integer ls;
178 for( ls = 1; ls <= nbLigSec; ls++ )
179 TabL[ls]=ls;
180
181 Standard_Boolean triok;
182 do {
183 triok=Standard_True;
184 for(Standard_Integer b=2; b<=nbLigSec; b++) {
00302ba4 185 Standard_Integer nb_B = Interference.LineValue(TabL[b]).NumberOfPoints();
186 Standard_Integer nb_A = Interference.LineValue(TabL[b-1]).NumberOfPoints();
187 if( nb_B > nb_A ) {
188 Standard_Integer tyu=TabL[b];
189 TabL[b]=TabL[b-1];
190 TabL[b-1]=tyu;
191 triok=Standard_False;
192 }
7fd59977 193 }
194 } while( triok==Standard_False );
195
196 for( ls = 1; ls <= nbLigSec; ls++) {
197 const Intf_SectionLine& LineSec=Interference.LineValue(TabL[ls]);
198 Standard_Integer nbp = LineSec.NumberOfPoints();
199
200 Standard_Integer *TabPtDep = new Standard_Integer [nbp+1];
201 Standard_Integer ilig;
202 for( ilig = 1; ilig <= nbp; ilig++)
00302ba4 203 TabPtDep[ilig]=0;
7fd59977 204
205 Standard_Real UminLig1,VminLig1,UmaxLig1,VmaxLig1;
206 Standard_Real UminLig2,VminLig2,UmaxLig2,VmaxLig2;
207
208 SectionPointToParameters(LineSec.GetPoint(1),Poly1,Poly2,UminLig1,VminLig1,UminLig2,VminLig2);
209
210 UmaxLig1=UminLig1;
211 VmaxLig1=VminLig1;
212 UmaxLig2=UminLig2;
213 VmaxLig2=VminLig2;
214
215 for( ilig = 2; ilig <= nbp; ilig++ ) {
00302ba4 216 SectionPointToParameters(LineSec.GetPoint(ilig),Poly1,Poly2,U1,V1,U2,V2);
7fd59977 217
00302ba4 218 if(U1>UmaxLig1) UmaxLig1=U1;
219 if(V1>VmaxLig1) VmaxLig1=V1;
220 if(U2>UmaxLig2) UmaxLig2=U2;
221 if(V2>VmaxLig2) VmaxLig2=V2;
7fd59977 222
00302ba4 223 if(U1<UminLig1) UminLig1=U1;
224 if(V1<VminLig1) VminLig1=V1;
225 if(U2<UminLig2) UminLig2=U2;
226 if(V2<VminLig2) VminLig2=V2;
7fd59977 227 }
00302ba4 228
7fd59977 229 Standard_Integer nbps2 = (nbp>3)? (nbp/2) : 1;
230 Standard_Integer NombreDePointsDeDepartDuCheminement = 0;
231 Standard_Integer IndicePointdeDepart1 = 0,IndicePointdeDepart2 = 0;
232 Standard_Boolean lignetrouvee=Standard_False;
233
234 do {
00302ba4 235 NombreDePointsDeDepartDuCheminement++;
236 if(NombreDePointsDeDepartDuCheminement == 1) {
237 incidence=3.0;
238 Standard_Integer nbp1_4=nbp/4;
239 Standard_Integer nbp3_4=nbp-nbp1_4;
240
241 Standard_Integer nsp;
242 for(nsp=nbp/2; nsp<nbp3_4; nsp++) {
243 Standard_Real CurrentIncidence = LineSec.GetPoint(nsp).Incidence();
244 if(CurrentIncidence < incidence) {
245 nbps2 = nsp;
246 incidence = 0.9*CurrentIncidence;
247 }
248 }
249
250 for(nsp=nbp/2; nsp>nbp1_4; nsp--) {
251 Standard_Real CurrentIncidence = LineSec.GetPoint(nsp).Incidence();
252 if(CurrentIncidence < incidence) {
253 nbps2 = nsp;
254 incidence = 0.9*CurrentIncidence;
255 }
256 }
257
258 if(nbp<3)
259 NombreDePointsDeDepartDuCheminement=3;
260
261 IndicePointdeDepart1 = nbps2;
262 }
263 else if(NombreDePointsDeDepartDuCheminement == 2) {
264 if(IndicePointdeDepart1 == 1) {
265 nbps2 = nbp/2;
266 IndicePointdeDepart2 = nbps2;
267 }
268 else {
269 nbps2 = 1;
270 IndicePointdeDepart2 = 1;
271 }
272 }
273 else if(NombreDePointsDeDepartDuCheminement == 3) {
274 if(IndicePointdeDepart1 == nbp)
275 nbps2 = (IndicePointdeDepart1+IndicePointdeDepart2)/2;
276 else
277 nbps2 = nbp;
278 }
279 else {
280 nbps2 = NombreDePointsDeDepartDuCheminement-3;
281 NombreDePointsDeDepartDuCheminement++;
282 }
283
284 if(TabPtDep[nbps2]==0) {
285 TabPtDep[nbps2]=1;
286 SectionPointToParameters(LineSec.GetPoint(nbps2),Poly1,Poly2,U1,V1,U2,V2);
287
288 StartParams(1) = U1;
289 StartParams(2) = V1;
290 StartParams(3) = U2;
291 StartParams(4) = V2;
292
293 HasStartPoint = PW.PerformFirstPoint(StartParams,StartPOn2S);
294 dminiPointLigne = SeuildPointLigne + SeuildPointLigne;
295
296 if(HasStartPoint) {
297 StartPOn2S.Parameters(pu1,pv1,pu2,pv2);
298 NbLigCalculee = SLin.Length();
299 Standard_Integer l;
300 for( l=1; (l <= NbLigCalculee) && (dminiPointLigne >= SeuildPointLigne); l++) {
301 const Handle(IntPatch_WLine)& testwline = *((Handle(IntPatch_WLine)*)&SLin.Value(l));
7fd59977 302
a7dd5d0f 303 if (IsPointOnLine(StartPOn2S, testwline, Deflection)) {
304 dminiPointLigne = 0.0;
305 }
00302ba4 306 } // for ( l ...
307
308 if(dminiPointLigne > SeuildPointLigne) {
309 PW.Perform(StartParams,UminLig1,VminLig1,UminLig2,VminLig2,UmaxLig1,VmaxLig1,UmaxLig2,VmaxLig2);
310 if(PW.IsDone()) {
311 if(PW.NbPoints()>2) {
312 RejetLigne = Standard_False;
313 Point3dDebut = PW.Value(1).Value();
a7dd5d0f 314 const IntSurf_PntOn2S& PointFin = PW.Value(PW.NbPoints());
315 Point3dFin = PointFin.Value();
00302ba4 316 for( ver = 1 ; (!RejetLigne) && (ver<= NbLigCalculee) ; ver++) {
317 const Handle(IntPatch_WLine)& verwline = *((Handle(IntPatch_WLine)*)&SLin.Value(ver));
a7dd5d0f 318
319 // Check end point if it is on existing line.
320 // Start point is checked before.
321 if (IsPointOnLine(PointFin, verwline, Deflection)) {
322 RejetLigne = Standard_True;
323 break;
324 }
325
326 const IntSurf_PntOn2S& verPointDebut = verwline->Point(1);
00302ba4 327 const IntSurf_PntOn2S& verPointFin = verwline->Point(verwline->NbPnts());
328 if( Point3dDebut.Distance(verPointDebut.Value()) <= TolTangency ) {
329 if(Point3dFin.Distance(verPointFin.Value()) <= TolTangency)
330 RejetLigne = Standard_True;
331 }
332 }
333
334 if(!RejetLigne) {
335 // Calculation transition
336 IntSurf_TypeTrans trans1,trans2;
337 Standard_Real locu,locv;
338 gp_Vec norm1,norm2,d1u,d1v;
339 gp_Pnt ptbid;
340 Standard_Integer indextg;
341 gp_Vec tgline(PW.TangentAtLine(indextg));
342 PW.Line()->Value(indextg).ParametersOnS1(locu,locv);
343 Surf1->D1(locu,locv,ptbid,d1u,d1v);
344 norm1 = d1u.Crossed(d1v);
345 PW.Line()->Value(indextg).ParametersOnS2(locu,locv);
346 Surf2->D1(locu,locv,ptbid,d1u,d1v);
347 norm2 = d1u.Crossed(d1v);
348 if(tgline.DotCross(norm2,norm1)>0.) {
349 trans1 = IntSurf_Out;
350 trans2 = IntSurf_In;
351 }
352 else {
353 trans1 = IntSurf_In;
354 trans2 = IntSurf_Out;
355 }
356
357 Standard_Real TolTang = TolTangency;
358 Handle(IntPatch_WLine) wline = new IntPatch_WLine(PW.Line(),Standard_False,trans1,trans2);
359 IntPatch_RstInt::PutVertexOnLine(wline,Surf1,D1,Surf2,Standard_True,TolTang);
360 IntPatch_RstInt::PutVertexOnLine(wline,Surf2,D2,Surf1,Standard_False,TolTang);
361
362 if(wline->NbVertex() == 0) {
363 IntPatch_Point vtx;
364 IntSurf_PntOn2S POn2S = PW.Line()->Value(1);
365 POn2S.Parameters(pu1,pv1,pu2,pv2);
366 vtx.SetValue(Point3dDebut,TolTang,Standard_False);
367 vtx.SetParameters(pu1,pv1,pu2,pv2);
368 vtx.SetParameter(1);
369 wline->AddVertex(vtx);
370
371 POn2S = PW.Line()->Value(wline->NbPnts());
372 POn2S.Parameters(pu1,pv1,pu2,pv2);
373 vtx.SetValue(Point3dFin,TolTang,Standard_False);
374 vtx.SetParameters(pu1,pv1,pu2,pv2);
375 vtx.SetParameter(wline->NbPnts());
376 wline->AddVertex(vtx);
377 }
378
379 lignetrouvee = Standard_True;
a7dd5d0f 380 AddWLine(SLin, wline, Deflection);
00302ba4 381 empt = Standard_False;
382 }// !RejetLigne
383 }// PW.NbPoints()>2
384 }// done is True
385 }// dminiPointLigne > SeuildPointLigne
386 }// HasStartPoint
387 }// TabPtDep[nbps2]==0
7fd59977 388 } while( nbp>5 && ( !( ( (NombreDePointsDeDepartDuCheminement >= 3) && lignetrouvee ) ||
00302ba4 389 ( (NombreDePointsDeDepartDuCheminement-3>=nbp) && !lignetrouvee ) ) ) );
7fd59977 390
391 delete [] TabPtDep;
392 }// for( ls ...
393
394 delete [] TabL;
395 }// nbLigSec >= 1
396
397 Standard_Real UminLig1,VminLig1,UmaxLig1,VmaxLig1;
398 Standard_Real UminLig2,VminLig2,UmaxLig2,VmaxLig2;
00302ba4 399
7fd59977 400 UminLig1=VminLig1=UminLig2=VminLig2=RealLast();
401 UmaxLig1=VmaxLig1=UmaxLig2=VmaxLig2=-UminLig1;
402
403 Standard_Integer z;
404 for(z=1; z <= nbTanZon; z++) {
405 const Intf_TangentZone& TangentZone=Interference.ZoneValue(z);
406 for(Standard_Integer pz=1; pz<=TangentZone.NumberOfPoints(); pz++) {
407 SectionPointToParameters(TangentZone.GetPoint(pz),Poly1,Poly2,U1,V1,U2,V2);
408
409 if(U1>UmaxLig1) UmaxLig1=U1;
410 if(V1>VmaxLig1) VmaxLig1=V1;
411 if(U2>UmaxLig2) UmaxLig2=U2;
412 if(V2>VmaxLig2) VmaxLig2=V2;
00302ba4 413
7fd59977 414 if(U1<UminLig1) UminLig1=U1;
415 if(V1<VminLig1) VminLig1=V1;
416 if(U2<UminLig2) UminLig2=U2;
417 if(V2<VminLig2) VminLig2=V2;
418 }
419 }
420
421 for(z=1; z <= nbTanZon; z++) {
422 const Intf_TangentZone& TangentZone=Interference.ZoneValue(z);
423 Standard_Integer pz;
424 for( pz=1; pz<=TangentZone.NumberOfPoints(); pz++) {
425 SectionPointToParameters(TangentZone.GetPoint(pz),Poly1,Poly2,U1,V1,U2,V2);
426
427 StartParams(1) = U1;
428 StartParams(2) = V1;
429 StartParams(3) = U2;
430 StartParams(4) = V2;
00302ba4 431
7fd59977 432 HasStartPoint = PW.PerformFirstPoint(StartParams,StartPOn2S);
433 if(HasStartPoint) {
00302ba4 434 StartPOn2S.Parameters(pu1,pv1,pu2,pv2);
435 NbLigCalculee = SLin.Length();
436 dminiPointLigne = SeuildPointLigne + SeuildPointLigne;
437 Standard_Integer l;
438 for( l = 1; (l <= NbLigCalculee) && (dminiPointLigne >= SeuildPointLigne); l++) {
439 const Handle(IntPatch_WLine)& testwline = *((Handle(IntPatch_WLine)*)&SLin.Value(l));
7fd59977 440
a7dd5d0f 441 if (IsPointOnLine(StartPOn2S, testwline, Deflection)) {
442 dminiPointLigne = 0.0;
443 }
00302ba4 444 }// for( l ...
445
446 if(dminiPointLigne > SeuildPointLigne) {
447 PW.Perform(StartParams,UminLig1,VminLig1,UminLig2,VminLig2,UmaxLig1,VmaxLig1,UmaxLig2,VmaxLig2);
448 if(PW.IsDone()) {
449 if(PW.NbPoints()>2) {
450 RejetLigne = Standard_False;
451 Point3dDebut = PW.Value(1).Value();
a7dd5d0f 452 const IntSurf_PntOn2S& PointFin = PW.Value(PW.NbPoints());
453 Point3dFin = PointFin.Value();
00302ba4 454 for(ver=1 ; (!RejetLigne) && (ver<= NbLigCalculee) ; ver++) {
455 const Handle(IntPatch_WLine)& verwline = *((Handle(IntPatch_WLine)*)&SLin.Value(ver));
a7dd5d0f 456
457 // Check end point if it is on existing line.
458 // Start point is checked before.
459 if (IsPointOnLine(PointFin, verwline, Deflection)) {
460 RejetLigne = Standard_True;
461 break;
462 }
463
00302ba4 464 const IntSurf_PntOn2S& verPointDebut = verwline->Point(1);
465 const IntSurf_PntOn2S& verPointFin = verwline->Point(verwline->NbPnts());
466 if(Point3dDebut.Distance(verPointDebut.Value()) < TolTangency)
467 RejetLigne = Standard_True;
468 else {
469 if(Point3dFin.Distance(verPointFin.Value()) < TolTangency)
470 RejetLigne = Standard_True;
471 }
472 }
473
474 if(!RejetLigne) {
475 IntSurf_TypeTrans trans1,trans2;
476 Standard_Real locu,locv;
477 gp_Vec norm1,norm2,d1u,d1v;
478 gp_Pnt ptbid;
479 Standard_Integer indextg;
480 gp_Vec tgline(PW.TangentAtLine(indextg));
481 PW.Line()->Value(indextg).ParametersOnS1(locu,locv);
482 Surf1->D1(locu,locv,ptbid,d1u,d1v);
483 norm1 = d1u.Crossed(d1v);
484 PW.Line()->Value(indextg).ParametersOnS2(locu,locv);
485 Surf2->D1(locu,locv,ptbid,d1u,d1v);
486 norm2 = d1u.Crossed(d1v);
487 if(tgline.DotCross(norm2,norm1)>0.) {
488 trans1 = IntSurf_Out;
489 trans2 = IntSurf_In;
490 }
491 else {
492 trans1 = IntSurf_In;
493 trans2 = IntSurf_Out;
494 }
495
496 Standard_Real TolTang = TolTangency;
497 Handle(IntPatch_WLine) wline = new IntPatch_WLine(PW.Line(),Standard_False,trans1,trans2);
498 IntPatch_RstInt::PutVertexOnLine(wline,Surf1,D1,Surf2,Standard_True,TolTang);
499 IntPatch_RstInt::PutVertexOnLine(wline,Surf2,D2,Surf1,Standard_False,TolTang);
500
501 if(wline->NbVertex() == 0) {
502 IntPatch_Point vtx;
503 IntSurf_PntOn2S POn2S = PW.Line()->Value(1);
504 POn2S.Parameters(pu1,pv1,pu2,pv2);
505 vtx.SetValue(Point3dDebut,TolTang,Standard_False);
506 vtx.SetParameters(pu1,pv1,pu2,pv2);
507 vtx.SetParameter(1);
508 wline->AddVertex(vtx);
509
510 POn2S = PW.Line()->Value(wline->NbPnts());
511 POn2S.Parameters(pu1,pv1,pu2,pv2);
512 vtx.SetValue(Point3dFin,TolTang,Standard_False);
513 vtx.SetParameters(pu1,pv1,pu2,pv2);
514 vtx.SetParameter(wline->NbPnts());
515 wline->AddVertex(vtx);
516 }
7fd59977 517
a7dd5d0f 518 AddWLine(SLin, wline, Deflection);
00302ba4 519 empt = Standard_False;
520 }// if !RejetLigne
521 }// PW.NbPoints()>2
522 }// done is True
523 }// dminiPointLigne > SeuildPointLigne
7fd59977 524 }// HasStartPoint
525 }// for( pz ...
526 }// for( z ...
527}
528
529//==================================================================================
530// function : Perform
531// purpose :
532//==================================================================================
533void IntPatch_PrmPrmIntersection::Perform (const Handle(Adaptor3d_HSurface)& Surf1,
00302ba4 534 const IntPatch_Polyhedron& Poly1,
535 const Handle(Adaptor3d_TopolTool)& D1,
536 const Standard_Real TolTangency,
537 const Standard_Real Epsilon,
538 const Standard_Real Deflection,
539 const Standard_Real Increment)
7fd59977 540{
47cbf134 541 IntPatch_InterferencePolyhedron Interference(Poly1);
7fd59977 542 empt = Standard_True;
543 done = Standard_True;
544 SLin.Clear();
545
546 Standard_Integer nbLigSec = Interference.NbSectionLines();
547 Standard_Integer nbTanZon = Interference.NbTangentZones();
548
549 Standard_Integer NbPntOn2SOnLine;
550 Standard_Integer NbLigCalculee = 0;
551
552 Standard_Real U1,U2,V1,V2;
553 Standard_Real pu1,pu2,pv1,pv2;
554
555 TColStd_Array1OfReal StartParams(1,4);
47cbf134 556 IntWalk_PWalking PW(Surf1,Surf1,TolTangency,Epsilon,Deflection,Increment);
00302ba4 557
7fd59977 558 Standard_Real SeuildPointLigne = 15.0 * Increment * Increment; //-- 10 est insuffisant
559 Standard_Real incidence;
560 Standard_Real dminiPointLigne;
561
562 Standard_Boolean HasStartPoint,RejetLigne;
563
564 IntSurf_PntOn2S StartPOn2S;
565
566 Standard_Integer ver;
567
568 gp_Pnt Point3dDebut,Point3dFin;
569
570 if(nbLigSec>=1) {
571 Standard_Integer ls;
572 for( ls = 1; ls <= nbLigSec; ls++) {
573 const Intf_SectionLine& LineSec=Interference.LineValue(ls);
574 Standard_Integer nbp = LineSec.NumberOfPoints();
575 Standard_Integer nbps2 = (nbp>3)? (nbp/2) : 1;
576 Standard_Integer NombreDePointsDeDepartDuCheminement = 0;
577 Standard_Integer IndicePointdeDepart1 = 0, IndicePointdeDepart2 = 0;
578 do {
00302ba4 579 NombreDePointsDeDepartDuCheminement++;
580 if(NombreDePointsDeDepartDuCheminement == 1) {
581 incidence = 0.0;
582 Standard_Integer nsp1;
583 for( nsp1= nbp/2; nsp1 >= 1; nsp1--) {
584 SectionPointToParameters(LineSec.GetPoint(nsp1),Poly1,Poly1,U1,V1,U2,V2);
585 Standard_Real CurrentIncidence = Abs(U1-U2)+Abs(V1-V2);
586 if(CurrentIncidence > incidence) {
587 nbps2 = nsp1;
588 incidence = CurrentIncidence;
589 }
590 }
591 for( nsp1 = nbp/2; nsp1 <= nbp; nsp1++) {
592 SectionPointToParameters(LineSec.GetPoint(nsp1),Poly1,Poly1,U1,V1,U2,V2);
593 Standard_Real CurrentIncidence = Abs(U1-U2)+Abs(V1-V2);
594 if(CurrentIncidence > incidence) {
595 nbps2 = nsp1;
596 incidence = CurrentIncidence;
597 }
598 }
599
600 if(nbp<3)
601 NombreDePointsDeDepartDuCheminement=3;
602
603 IndicePointdeDepart1 = nbps2;
604 }
605 else if(NombreDePointsDeDepartDuCheminement == 2) {
606 if(IndicePointdeDepart1 == 1) {
607 nbps2 = nbp/2;
608 IndicePointdeDepart2 = nbps2;
609 }
610 else {
611 nbps2 = 1;
612 IndicePointdeDepart2 = 1;
613 }
614 }
615 else {
616 if(IndicePointdeDepart1 == nbp)
617 nbps2 = (IndicePointdeDepart1+IndicePointdeDepart2)/2;
618 else
619 nbps2 = nbp;
620 }
621
622 SectionPointToParameters(LineSec.GetPoint(nbps2),Poly1,Poly1,U1,V1,U2,V2);
623
624 StartParams(1) = U1;
625 StartParams(2) = V1;
626 StartParams(3) = U2;
627 StartParams(4) = V2;
628
629 HasStartPoint = PW.PerformFirstPoint(StartParams,StartPOn2S);
630 dminiPointLigne = SeuildPointLigne + SeuildPointLigne;
631 if(HasStartPoint) {
632 StartPOn2S.Parameters(pu1,pv1,pu2,pv2);
633 if(Abs(pu1-pu2)>1e-7 || Abs(pv1-pv2)>1e-7) {
634 NbLigCalculee = SLin.Length();
635 Standard_Integer l;
636 for( l = 1; (l <= NbLigCalculee) && (dminiPointLigne >= SeuildPointLigne); l++) {
637 const Handle(IntPatch_WLine)& testwline = *((Handle(IntPatch_WLine)*)&SLin.Value(l));
638 if( (testwline->IsOutSurf1Box(gp_Pnt2d(pu1,pv1))==Standard_False) &&
639 (testwline->IsOutSurf2Box(gp_Pnt2d(pu2,pv2))==Standard_False) &&
640 (testwline->IsOutBox(StartPOn2S.Value())==Standard_False) ) {
641 NbPntOn2SOnLine = testwline->NbPnts();
642 Standard_Integer ll;
643 for( ll=1; (ll < NbPntOn2SOnLine) && (dminiPointLigne >= SeuildPointLigne); ll++) {
644 Standard_Real t,Au1,Av1,Au2,Av2,Bu1,Bv1,Bu2,Bv2;
645 testwline->Point(ll).Parameters(Au1,Av1,Au2,Av2);
646 testwline->Point(ll+1).Parameters(Bu1,Bv1,Bu2,Bv2);
647 if(Au1>Bu1) {
648 t=Au1;
649 Au1=Bu1;
650 Bu1=t;
651 }
652 if(Av1>Bv1) {
653 t=Av1;
654 Av1=Bv1;
655 Bv1=t;
656 }
657 Au1-=1.0e-7;
658 Av1-=1.0e-7;
659 Bu1+=1.0e-7;
660 Bv1+=1.0e-7;
661
662 if((pu1>=Au1) && (pu1<=Bu1) && (pv1>=Av1) && (pv1<=Bv1))
663 dminiPointLigne = 0.0;
664 else {
665 if((pu2>=Au1) && (pu2<=Bu1) && (pv2>=Av1) && (pv2<=Bv1))
666 dminiPointLigne = 0.0;
667 }
668 }// for( ll ...
669 }// if ...
670 }// for( l ...
671
672 if(dminiPointLigne > SeuildPointLigne) {
673 PW.Perform(StartParams);
674 if(PW.IsDone()) {
675 if(PW.NbPoints()>2) {
676 RejetLigne = Standard_False;
677 Point3dDebut = PW.Value(1).Value();
678 Point3dFin = PW.Value(PW.NbPoints()).Value();
679 for(ver=1 ; (!RejetLigne) && (ver<= NbLigCalculee) ; ver++) {
680 const Handle(IntPatch_WLine)& verwline = *((Handle(IntPatch_WLine)*)&SLin.Value(ver));
681 const IntSurf_PntOn2S& verPointDebut = verwline->Point(1);
682 const IntSurf_PntOn2S& verPointFin = verwline->Point(verwline->NbPnts());
683 if(Point3dDebut.Distance(verPointDebut.Value()) < TolTangency)
684 RejetLigne = Standard_True;
685 else {
686 if(Point3dFin.Distance(verPointFin.Value()) < TolTangency)
687 RejetLigne = Standard_True;
688 }
689 }
690
691 if(!RejetLigne) {
692 IntSurf_TypeTrans trans1,trans2;
693 Standard_Real locu,locv;
694 gp_Vec norm1,norm2,d1u,d1v;
695 gp_Pnt ptbid;
696 Standard_Integer indextg;
697 gp_Vec tgline(PW.TangentAtLine(indextg));
698 PW.Line()->Value(indextg).ParametersOnS1(locu,locv);
699 Surf1->D1(locu,locv,ptbid,d1u,d1v);
700 norm1 = d1u.Crossed(d1v);
701 PW.Line()->Value(indextg).ParametersOnS2(locu,locv);
702 Surf1->D1(locu,locv,ptbid,d1u,d1v);
703 norm2 = d1u.Crossed(d1v);
704 if (tgline.DotCross(norm2,norm1)>0.) {
705 trans1 = IntSurf_Out;
706 trans2 = IntSurf_In;
707 }
708 else {
709 trans1 = IntSurf_In;
710 trans2 = IntSurf_Out;
711 }
712
713 IntSurf_LineOn2S LineOn2S;
714 Standard_Integer nbpw,imin,imax,i;
715 nbpw = PW.Line()->NbPoints();
716 Standard_Real u1,v1,u2,v2;
717 i=0;
718 do {
719 i++;
720 imin=i;
721 const IntSurf_PntOn2S& Pi = PW.Line()->Value(i);
722 Pi.Parameters(u1,v1,u2,v2);
723 } while((i<nbpw)&&(Abs(u1-u2)<=1e-6 && Abs(v1-v2)<=1e-6));
724
725 if(imin>2)
726 imin--;
727
728 i=nbpw+1;
729 do {
730 i--;
731 imax=i;
732 const IntSurf_PntOn2S& Pi = PW.Line()->Value(i);
733 Pi.Parameters(u1,v1,u2,v2);
734 } while((i>2)&&(Abs(u1-u2)<=1e-6 && Abs(v1-v2)<=1e-6));
735
736 if(imax<nbpw)
737 imax++;
738
739 if(imin<imax) {
857ffd5e 740 Handle(IntSurf_LineOn2S) PWLine = new IntSurf_LineOn2S();
00302ba4 741 for(i=imin;i<=imax;i++)
742 PWLine->Add(PW.Line()->Value(i));
743
744 Standard_Real TolTang = TolTangency;
745 Handle(IntPatch_WLine) wline = new IntPatch_WLine(PWLine,Standard_False,trans1,trans2);
746 const IntSurf_PntOn2S& POn2SDeb = wline->Point(1);
747 const IntSurf_PntOn2S& POn2SFin = wline->Point(wline->NbPnts());
748 if((POn2SDeb.Value()).Distance(POn2SFin.Value()) <= TolTangency) {
749 Standard_Real u1t,v1t,u2t,v2t;
750 POn2SDeb.Parameters(u1t,v1t,u2t,v2t);
751 IntPatch_Point vtx;
752 vtx.SetValue(POn2SDeb.Value(),TolTang,Standard_False);
753 vtx.SetParameters(u2t,v2t,u1t,v1t);
754 vtx.SetParameter(wline->NbPnts());
755 wline->SetPoint(wline->NbPnts(),vtx);
756 }
757 IntPatch_RstInt::PutVertexOnLine(wline,Surf1,D1,Surf1,Standard_True,TolTang);
758 if(wline->NbVertex() == 0) {
759 IntPatch_Point vtx;
760 IntSurf_PntOn2S POn2S = PW.Line()->Value(1);
761 POn2S.Parameters(pu1,pv1,pu2,pv2);
762 vtx.SetValue(Point3dDebut,TolTang,Standard_False);
763 vtx.SetParameters(pu1,pv1,pu2,pv2);
764 vtx.SetParameter(1);
765 wline->AddVertex(vtx);
766
767 POn2S = PW.Line()->Value(wline->NbPnts());
768 POn2S.Parameters(pu1,pv1,pu2,pv2);
769 vtx.SetValue(Point3dFin,TolTang,Standard_False);
770 vtx.SetParameters(pu1,pv1,pu2,pv2);
771 vtx.SetParameter(wline->NbPnts());
772 wline->AddVertex(vtx);
773 }
774 SLin.Append(wline);
775 empt = Standard_False;
776 }// imin<imax
777 }// !RejetLigne
778 }// PW.NbPoints()>2
779 }// done is True
780 }// dminiPointLigne > SeuildPointLigne
781 }// Abs || Abs
782 }// HasStartPoint
7fd59977 783 } while(nbp>5 && NombreDePointsDeDepartDuCheminement<3);
784 }// for( ls ...
785 }// nbLigSec>=1
786
787 Standard_Integer z;
788 for( z = 1; z <= nbTanZon; z++) {
789 const Intf_TangentZone& TangentZone=Interference.ZoneValue(z);
790 for(Standard_Integer pz=1; pz<=TangentZone.NumberOfPoints(); pz++) {
791 SectionPointToParameters(TangentZone.GetPoint(pz),Poly1,Poly1,U1,V1,U2,V2);
792
793 StartParams(1) = U1;
794 StartParams(2) = V1;
795 StartParams(3) = U2;
796 StartParams(4) = V2;
797
798 HasStartPoint = PW.PerformFirstPoint(StartParams,StartPOn2S);
799 if(HasStartPoint) {
00302ba4 800 StartPOn2S.Parameters(pu1,pv1,pu2,pv2);
801 if(Abs(pu1-pu2)>1e-7 || Abs(pv1-pv2)>1e-7) {
802 NbLigCalculee = SLin.Length();
803 dminiPointLigne = SeuildPointLigne + SeuildPointLigne;
804 Standard_Integer l;
805 for( l = 1; (l <= NbLigCalculee) && (dminiPointLigne >= SeuildPointLigne); l++) {
806 const Handle(IntPatch_WLine)& testwline = *((Handle(IntPatch_WLine)*)&SLin.Value(l));
807 if( (testwline->IsOutSurf1Box(gp_Pnt2d(pu1,pv1))==Standard_False) &&
808 (testwline->IsOutSurf2Box(gp_Pnt2d(pu2,pv2))==Standard_False) &&
809 (testwline->IsOutBox(StartPOn2S.Value())==Standard_False) ) {
810 NbPntOn2SOnLine = testwline->NbPnts();
811 Standard_Integer ll;
812 for( ll = 1; (ll < NbPntOn2SOnLine) && (dminiPointLigne >= SeuildPointLigne); ll++) {
813 Standard_Real t,Au1,Av1,Au2,Av2,Bu1,Bv1,Bu2,Bv2;
814 testwline->Point(ll).Parameters(Au1,Av1,Au2,Av2);
815 testwline->Point(ll+1).Parameters(Bu1,Bv1,Bu2,Bv2);
816 if(Au1>Bu1) {
817 t=Au1;
818 Au1=Bu1;
819 Bu1=t;
820 }
821 if(Av1>Bv1) {
822 t=Av1;
823 Av1=Bv1;
824 Bv1=t;
825 }
826 Au1-=1.0e-7;
827 Av1-=1.0e-7;
828 Bu1+=1.0e-7;
829 Bv1+=1.0e-7;
830 if((pu1>=Au1) && (pu1<=Bu1) && (pv1>=Av1) && (pv1<=Bv1))
831 dminiPointLigne = 0.0;
832 else {
833 if((pu2>=Au1) && (pu2<=Bu1) && (pv2>=Av1) && (pv2<=Bv1))
834 dminiPointLigne = 0.0;
835 }
836 }// for( ll ...
837 }// if ...
838 }// for( l ...
839
840 if(dminiPointLigne > SeuildPointLigne) {
841 PW.Perform(StartParams);
842 if(PW.IsDone()) {
843 if(PW.NbPoints()>2) {
844 RejetLigne = Standard_False;
845 Point3dDebut = PW.Value(1).Value();
846 Point3dFin = PW.Value(PW.NbPoints()).Value();
847 for( ver = 1 ; (!RejetLigne) && (ver<= NbLigCalculee) ; ver++) {
848 const Handle(IntPatch_WLine)& verwline = *((Handle(IntPatch_WLine)*)&SLin.Value(ver));
849 const IntSurf_PntOn2S& verPointDebut = verwline->Point(1);
850 const IntSurf_PntOn2S& verPointFin = verwline->Point(verwline->NbPnts());
851 if(Point3dDebut.Distance(verPointDebut.Value()) < TolTangency)
852 RejetLigne = Standard_True;
853 else {
854 if(Point3dFin.Distance(verPointFin.Value()) < TolTangency)
855 RejetLigne = Standard_True;
856 }
857 }
858
859 if(!RejetLigne) {
860 IntSurf_TypeTrans trans1,trans2;
861 Standard_Real locu,locv;
862 gp_Vec norm1,norm2,d1u,d1v;
863 gp_Pnt ptbid;
864 Standard_Integer indextg;
865 gp_Vec tgline(PW.TangentAtLine(indextg));
866 PW.Line()->Value(indextg).ParametersOnS1(locu,locv);
867 Surf1->D1(locu,locv,ptbid,d1u,d1v);
868 norm1 = d1u.Crossed(d1v);
869 PW.Line()->Value(indextg).ParametersOnS2(locu,locv);
870 Surf1->D1(locu,locv,ptbid,d1u,d1v);
871 norm2 = d1u.Crossed(d1v);
872 if(tgline.DotCross(norm2,norm1)>0.) {
873 trans1 = IntSurf_Out;
874 trans2 = IntSurf_In;
875 }
876 else {
877 trans1 = IntSurf_In;
878 trans2 = IntSurf_Out;
879 }
880
881 IntSurf_LineOn2S LineOn2S;
882 Standard_Integer nbp,imin,imax,i;
883 nbp = PW.Line()->NbPoints();
884 Standard_Real u1,v1,u2,v2;
885 i=0;
886 do {
887 i++;
888 imin=i;
889 const IntSurf_PntOn2S& Pi = PW.Line()->Value(i);
890 Pi.Parameters(u1,v1,u2,v2);
891 } while((i<nbp)&&(Abs(u1-u2)<=1e-6 && Abs(v1-v2)<=1e-6));
892
893 if(imin>2)
894 imin--;
895
896 i=nbp+1;
897 do {
898 i--;
899 imax=i;
900 const IntSurf_PntOn2S& Pi = PW.Line()->Value(i);
901 Pi.Parameters(u1,v1,u2,v2);
902 } while((i>2)&&(Abs(u1-u2)<=1e-6 && Abs(v1-v2)<=1e-6));
903
904 if(imax<nbp)
905 imax++;
906
907 if(imin<imax) {
857ffd5e 908 Handle(IntSurf_LineOn2S) PWLine = new IntSurf_LineOn2S();
00302ba4 909 for(i=imin;i<=imax;i++)
910 PWLine->Add(PW.Line()->Value(i));
911
912 Standard_Real TolTang = TolTangency;
913 Handle(IntPatch_WLine) wline = new IntPatch_WLine(PWLine,Standard_False,trans1,trans2);
914 const IntSurf_PntOn2S& POn2SDeb = wline->Point(1);
915 const IntSurf_PntOn2S& POn2SFin = wline->Point(wline->NbPnts());
916 if((POn2SDeb.Value()).Distance(POn2SFin.Value()) <= TolTangency) {
917 Standard_Real u1t,v1t,u2t,v2t;
918 POn2SDeb.Parameters(u1t,v1t,u2t,v2t);
919 IntPatch_Point vtx;
920 vtx.SetValue(POn2SDeb.Value(),TolTang,Standard_False);
921 vtx.SetParameters(u2t,v2t,u1t,v1t);
922 vtx.SetParameter(wline->NbPnts());
923 wline->SetPoint(wline->NbPnts(),vtx);
924 }
925
926 IntPatch_RstInt::PutVertexOnLine(wline,Surf1,D1,Surf1,Standard_True,TolTang);
927
928 if(wline->NbVertex() == 0) {
929 IntPatch_Point vtx;
930 IntSurf_PntOn2S POn2S = PW.Line()->Value(1);
931 POn2S.Parameters(pu1,pv1,pu2,pv2);
932 vtx.SetValue(Point3dDebut,TolTang,Standard_False);
933 vtx.SetParameters(pu1,pv1,pu2,pv2);
934 vtx.SetParameter(1);
935 wline->AddVertex(vtx);
936
937 POn2S = PW.Line()->Value(wline->NbPnts());
938 POn2S.Parameters(pu1,pv1,pu2,pv2);
939 vtx.SetValue(Point3dFin,TolTang,Standard_False);
940 vtx.SetParameters(pu1,pv1,pu2,pv2);
941 vtx.SetParameter(wline->NbPnts());
942 wline->AddVertex(vtx);
943 }
944
945 SLin.Append(wline);
946 empt = Standard_False;
947 }// imin<imax
948 }// !RejetLigne
949 }// PW.NbPoints()>2
950 }// done a True
951 }// dminiPointLigne > SeuildPointLigne
952 }// Abs || Abs
7fd59977 953 }// HasStartPoint
954 }// for ( pz ...
955 }// for( z ...
956}
957
958//==================================================================================
959// function : NewLine
960// purpose :
961//==================================================================================
857ffd5e 962Handle(IntPatch_Line) IntPatch_PrmPrmIntersection::NewLine (const Handle(Adaptor3d_HSurface)& Surf1,
00302ba4 963 const Handle(Adaptor3d_HSurface)& Surf2,
964 const Standard_Integer NumLine,
965 const Standard_Integer Low,
966 const Standard_Integer High,
967 const Standard_Integer NbPntsToInsert) const
7fd59977 968{
969 Standard_Integer NbPnts = NbPntsToInsert + High - Low;
970 if(NumLine>NbLines() || NumLine<1 || Low>=High )
971 Standard_OutOfRange::Raise(" IntPatch_PrmPrmIntersection NewLine ");
972 //------------------------------------------------------------------
973 //-- Indice : Low Low+1 I I+1 High --
974 //-- --
975 //-- Abs.Curv. : S(Low) S(I) S(I+1) S(High) --
976 //-- --
977 //-- On echantillonne a abcisse curviligne --
978 //-- constante. --
979 //-- L abcisse est calculee sur les params U1,V1 --
980 //------------------------------------------------------------------
981 TColStd_Array1OfReal U1(Low,High);
982 TColStd_Array1OfReal V1(Low,High);
983 TColStd_Array1OfReal U2(Low,High);
984 TColStd_Array1OfReal V2(Low,High);
985 TColStd_Array1OfReal AC(Low,High);
986
987 Standard_Real s,ds;
988 Handle(IntPatch_WLine) TheLine = Handle(IntPatch_WLine)::DownCast(Line(NumLine));
989 const IntSurf_PntOn2S& Point=TheLine->Point(Low);
990 Standard_Real u1,v1,u2,v2;
991 Point.Parameters(u1,v1,u2,v2);
992 U1(Low) = u1;
993 V1(Low) = v1;
994 U2(Low) = u2;
995 V2(Low) = v2;
996 AC(Low) =0.0;
00302ba4 997
47cbf134 998 IntWalk_PWalking PW(Surf1,Surf2,0.000001,0.000001,0.001,0.001);
00302ba4 999
7fd59977 1000 Standard_Integer i;
1001 for(i=Low+1; i<=High; i++)
00302ba4 1002 {
1003 const IntSurf_PntOn2S& Pointi=TheLine->Point(i);
1004 Pointi.Parameters(u1,v1,u2,v2);
1005 U1(i) = u1;
1006 V1(i) = v1;
1007 U2(i) = u2;
1008 V2(i) = v2;
1009
1010 Standard_Real du1=u1-U1(i-1);
1011 Standard_Real dv1=v1-V1(i-1);
1012
1013 AC(i) = AC(i-1) + Sqrt((du1*du1)+(dv1*dv1));
1014 }
7fd59977 1015
1016 Handle(IntSurf_LineOn2S) ResultPntOn2SLine = new IntSurf_LineOn2S();
00302ba4 1017
7fd59977 1018 IntSurf_PntOn2S StartPOn2S;
1019 TColStd_Array1OfReal StartParams(1,4);
00302ba4 1020
7fd59977 1021 ResultPntOn2SLine->Add(TheLine->Point(Low));
00302ba4 1022
7fd59977 1023 ds = AC(High) / (NbPnts-1);
1024 Standard_Integer Indice = Low;
00302ba4 1025
7fd59977 1026 Standard_Real dsmin = ds*0.3;
1027 Standard_Real smax = AC(High);
1028
1029 for(i=2,s=ds; (i<NbPnts)&&(s<smax); i++,s+=ds)
00302ba4 1030 {
1031 while(AC(Indice+1) <= s)
7fd59977 1032 {
00302ba4 1033 ResultPntOn2SLine->Add(TheLine->Point(Indice));
1034 Indice++;
7fd59977 1035 }
00302ba4 1036 Standard_Real a = s - AC(Indice);
1037 Standard_Real b = AC(Indice+1) - s;
1038 Standard_Real nab = 1.0/(a+b);
1039 //----------------------------------------------------------
1040 //-- Verification : Si Dist au prochain point < dsmin --
1041 //-- Si Dist au precedent point < dsmin --
1042 //-- --
1043 //----------------------------------------------------------
1044 if((nab > ds)&&(a>dsmin)&&(b>dsmin))
1045 {
1046 StartParams(1) = (U1(Indice) * b + U1(Indice+1) * a) * nab;
1047 StartParams(2) = (V1(Indice) * b + V1(Indice+1) * a) * nab;
1048 StartParams(3) = (U2(Indice) * b + U2(Indice+1) * a) * nab;
1049 StartParams(4) = (V2(Indice) * b + V2(Indice+1) * a) * nab;
1050
1051 Standard_Boolean HasStartPoint = PW.PerformFirstPoint(StartParams,StartPOn2S);
1052 if(HasStartPoint)
1053 ResultPntOn2SLine->Add(StartPOn2S);
1054 }
1055 else
1056 s+=dsmin;
1057 }
1058
7fd59977 1059 ResultPntOn2SLine->Add(TheLine->Point(High));
00302ba4 1060
7fd59977 1061 return(new IntPatch_WLine(ResultPntOn2SLine,Standard_False));
1062}
1063
1064//==================================================================================
1065// function : SectionPointToParameters
1066// purpose :
1067//==================================================================================
1068void SectionPointToParameters(const Intf_SectionPoint& Sp,
00302ba4 1069 const IntPatch_Polyhedron& Poly1,
1070 const IntPatch_Polyhedron& Poly2,
1071 Standard_Real& u1,
1072 Standard_Real& v1,
1073 Standard_Real& u2,
1074 Standard_Real& v2)
7fd59977 1075{
1076 Intf_PIType typ;
1077 Standard_Integer Adr1,Adr2;
1078 Standard_Real Param,u,v;
1079 gp_Pnt P(Sp.Pnt());
00302ba4 1080
7fd59977 1081 Standard_Integer Pt1,Pt2,Pt3;
00302ba4 1082
7fd59977 1083 Sp.InfoFirst(typ,Adr1,Adr2,Param);
1084 switch(typ) {
1085 case Intf_VERTEX: //-- Adr1 est le numero du vertex
1086 {
1087 Poly1.Parameters(Adr1,u1,v1);
1088 break;
1089 }
1090 case Intf_EDGE:
1091 {
1092 Poly1.Parameters(Adr1,u1,v1);
1093 Poly1.Parameters(Adr2,u,v);
1094 u1+= Param * (u-u1);
1095 v1+= Param * (v-v1);
1096 break;
1097 }
1098 case Intf_FACE:
1099 {
1100 Standard_Real ua,va,ub,vb,uc,vc,ca,cb,cc,cabc;
1101 Poly1.Triangle(Adr1,Pt1,Pt2,Pt3);
1102 gp_Pnt PA(Poly1.Point(Pt1));
1103 gp_Pnt PB(Poly1.Point(Pt2));
1104 gp_Pnt PC(Poly1.Point(Pt3));
1105 Poly1.Parameters(Pt1,ua,va);
1106 Poly1.Parameters(Pt2,ub,vb);
1107 Poly1.Parameters(Pt3,uc,vc);
1108 gp_Vec Normale(gp_Vec(PA,PB).Crossed(gp_Vec(PA,PC)));
1109 cc = (gp_Vec(PA,PB).Crossed(gp_Vec(PA,P))).Dot(Normale);
1110 ca = (gp_Vec(PB,PC).Crossed(gp_Vec(PB,P))).Dot(Normale);
1111 cb = (gp_Vec(PC,PA).Crossed(gp_Vec(PC,P))).Dot(Normale);
1112 cabc = ca + cb + cc;
00302ba4 1113
7fd59977 1114 ca/=cabc; cb/=cabc; cc/=cabc;
00302ba4 1115
7fd59977 1116 u1 = ca * ua + cb * ub + cc * uc;
1117 v1 = ca * va + cb * vb + cc * vc;
1118 break;
1119 }
1120 default:
1121 {
1122 //-- cout<<" Default dans SectionPointToParameters "<<endl;
1123 break;
1124 }
1125 }
00302ba4 1126
1127
7fd59977 1128 Sp.InfoSecond(typ,Adr1,Adr2,Param);
1129 switch(typ) {
1130 case Intf_VERTEX: //-- Adr1 est le numero du vertex
1131 {
1132 Poly2.Parameters(Adr1,u2,v2);
1133 break;
1134 }
1135 case Intf_EDGE:
1136 {
1137 Poly2.Parameters(Adr1,u2,v2);
1138 Poly2.Parameters(Adr2,u,v);
1139 u2+= Param * (u-u2);
1140 v2+= Param * (v-v2);
1141 break;
1142 }
1143 case Intf_FACE:
1144 {
1145 Standard_Real ua,va,ub,vb,uc,vc,ca,cb,cc,cabc;
1146 Poly2.Triangle(Adr1,Pt1,Pt2,Pt3);
1147 gp_Pnt PA(Poly2.Point(Pt1));
1148 gp_Pnt PB(Poly2.Point(Pt2));
1149 gp_Pnt PC(Poly2.Point(Pt3));
1150 Poly2.Parameters(Pt1,ua,va);
1151 Poly2.Parameters(Pt2,ub,vb);
1152 Poly2.Parameters(Pt3,uc,vc);
1153 gp_Vec Normale(gp_Vec(PA,PB).Crossed(gp_Vec(PA,PC)));
1154 cc = (gp_Vec(PA,PB).Crossed(gp_Vec(PA,P))).Dot(Normale);
1155 ca = (gp_Vec(PB,PC).Crossed(gp_Vec(PB,P))).Dot(Normale);
1156 cb = (gp_Vec(PC,PA).Crossed(gp_Vec(PC,P))).Dot(Normale);
1157 cabc = ca + cb + cc;
00302ba4 1158
7fd59977 1159 ca/=cabc; cb/=cabc; cc/=cabc;
00302ba4 1160
7fd59977 1161 u2 = ca * ua + cb * ub + cc * uc;
1162 v2 = ca * va + cb * vb + cc * vc;
1163 break;
1164 }
1165 default:
1166 {
1167 //-- cout<<" Default dans SectionPointToParameters "<<endl;
1168 break;
1169 }
1170 }
1171}
1172
7fd59977 1173//==================================================================================
1174// function : RemplitLin
1175// purpose :
1176//==================================================================================
1177void IntPatch_PrmPrmIntersection::RemplitLin(const Standard_Integer x1,
00302ba4 1178 const Standard_Integer y1,
1179 const Standard_Integer z1,
1180 const Standard_Integer x2,
1181 const Standard_Integer y2,
1182 const Standard_Integer z2,
1183 IntPatch_PrmPrmIntersection_T3Bits& Map) const
7fd59977 1184{
1185 int xg,yg,zg;
1186 xg=x1-x2; if(xg<0) xg=-xg;
1187 yg=y1-y2; if(yg<0) yg=-yg;
1188 zg=z1-z2; if(zg<0) zg=-zg;
1189 if(DansGrille(x1) && DansGrille(y1) && DansGrille(z1)) {
1190 Standard_Integer t = GrilleInteger(x1,y1,z1);
1191 Map.Add(t);
1192 }
1193 if(xg<=1 && yg<=1 && zg<=1) return;
1194 xg = (x1+x2)>>1;
1195 yg = (y1+y2)>>1;
1196 zg = (z1+z2)>>1;
1197 RemplitLin(x1,y1,z1,xg,yg,zg,Map);
1198 RemplitLin(x2,y2,z2,xg,yg,zg,Map);
1199}
1200
1201//==================================================================================
1202// function : RemplitTri
1203// purpose :
1204//==================================================================================
1205void IntPatch_PrmPrmIntersection::RemplitTri(const Standard_Integer x1,
00302ba4 1206 const Standard_Integer y1,
1207 const Standard_Integer z1,
1208 const Standard_Integer x2,
1209 const Standard_Integer y2,
1210 const Standard_Integer z2,
1211 const Standard_Integer x3,
1212 const Standard_Integer y3,
1213 const Standard_Integer z3,
1214 IntPatch_PrmPrmIntersection_T3Bits& Map) const
7fd59977 1215{
1216 if(x1==x2 && x1==x3 && y1==y2 && y1==y3 && z1==z2 && z1==z3) {
1217 if(DansGrille(x1) && DansGrille(y1) && DansGrille(z1)) {
1218 Standard_Integer t = GrilleInteger(x1,y1,z1);
1219 Map.Add(t);
1220 }
1221 return;
1222 }
1223 else {
1224 Standard_Integer xg=(x1+x2+x3)/3;
1225 Standard_Integer yg=(y1+y2+y3)/3;
1226 Standard_Integer zg=(z1+z2+z3)/3;
1227 if(xg==x1 && yg==y1 && zg==z1) {
1228 RemplitLin(x1,y1,z1,x2,y2,z2,Map);
1229 RemplitLin(x1,y1,z1,x3,y3,z3,Map);
1230 return;
1231 }
1232 if(xg==x2 && yg==y2 && zg==z2) {
1233 RemplitLin(x2,y2,z2,x1,y1,z1,Map);
1234 RemplitLin(x2,y2,z2,x3,y3,z3,Map);
1235 return;
1236 }
1237 if(xg==x3 && yg==y3 && zg==z3) {
1238 RemplitLin(x3,y3,z3,x2,y2,z2,Map);
1239 RemplitLin(x3,y3,z3,x1,y1,z1,Map);
1240 return;
1241 }
1242 if(DansGrille(xg) && DansGrille(yg) && DansGrille(zg)) {
1243 Standard_Integer t = GrilleInteger(xg,yg,zg);
1244 Map.Add(t);
1245 }
1246 if(xg!=x3 || yg!=y3 || zg!=z3) RemplitTri(x1,y1,z1, x2,y2,z2, xg,yg,zg, Map);
1247 if(xg!=x1 || yg!=y1 || zg!=z1) RemplitTri(xg,yg,zg, x2,y2,z2, x3,y3,z3, Map);
1248 if(xg!=x2 || yg!=y2 || zg!=z2) RemplitTri(x1,y1,z1, xg,yg,zg, x3,y3,z3, Map);
1249 }
1250}
1251
1252//==================================================================================
1253// function : Remplit
1254// purpose :
1255//==================================================================================
1256void IntPatch_PrmPrmIntersection::Remplit(const Standard_Integer a,
00302ba4 1257 const Standard_Integer b,
1258 const Standard_Integer c,
1259 IntPatch_PrmPrmIntersection_T3Bits& Map) const
7fd59977 1260{
1261 int iax,iay,iaz,ibx,iby,ibz,icx,icy,icz;
1262 if(a!=-1) Map.Add(a);
1263 if(b!=-1) Map.Add(b);
1264 if(c!=-1) Map.Add(c);
00302ba4 1265
7fd59977 1266 if(a!=-1 && b!=-1 && c!=-1 ) {
1267 IntegerGrille(a,iax,iay,iaz);
1268 IntegerGrille(b,ibx,iby,ibz);
1269 IntegerGrille(c,icx,icy,icz);
1270 RemplitTri(iax,iay,iaz,ibx,iby,ibz,icx,icy,icz,Map);
1271 }
1272}
1273
7fd59977 1274
7fd59977 1275
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1276//=======================================================================
1277//function : Perform
1278//purpose :
1279//=======================================================================
1280void IntPatch_PrmPrmIntersection::Perform (const Handle(Adaptor3d_HSurface)& Surf1,
00302ba4 1281 const Handle(Adaptor3d_TopolTool)& D1,
1282 const Handle(Adaptor3d_HSurface)& Surf2,
1283 const Handle(Adaptor3d_TopolTool)& D2,
1284 const Standard_Real TolTangency,
1285 const Standard_Real Epsilon,
1286 const Standard_Real Deflection,
1287 const Standard_Real Increment,
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1288 IntSurf_ListOfPntOn2S& LOfPnts,
1289 const Standard_Boolean RestrictLine)
1290{
1291 if (LOfPnts.IsEmpty()){
1292 done = Standard_True;
7fd59977 1293 return;
1294 }
00302ba4 1295
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1296 empt = Standard_True;
1297 SLin.Clear();
00302ba4 1298
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1299 Standard_Real UminLig1,VminLig1,UmaxLig1,VmaxLig1;
1300 Standard_Real UminLig2,VminLig2,UmaxLig2,VmaxLig2;
1301 Standard_Real U1,U2,V1,V2;
00302ba4 1302
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1303 UminLig1 = Surf1->FirstUParameter();
1304 VminLig1 = Surf1->FirstVParameter();
1305 UmaxLig1 = Surf1->LastUParameter();
1306 VmaxLig1 = Surf1->LastVParameter();
1307 UminLig2 = Surf2->FirstUParameter();
1308 VminLig2 = Surf2->FirstVParameter();
1309 UmaxLig2 = Surf2->LastUParameter();
1310 VmaxLig2 = Surf2->LastVParameter();
b1c5c4e6 1311
1312 Standard_Real Periods [4];
1313 Periods[0] = (Surf1->IsUPeriodic())? Surf1->UPeriod() : 0.;
1314 Periods[1] = (Surf1->IsVPeriodic())? Surf1->VPeriod() : 0.;
1315 Periods[2] = (Surf2->IsUPeriodic())? Surf2->UPeriod() : 0.;
1316 Periods[3] = (Surf2->IsVPeriodic())? Surf2->VPeriod() : 0.;
00302ba4 1317
c66d7156 1318 IntSurf_ListIteratorOfListOfPntOn2S IterLOP1(LOfPnts);
4a616573 1319 if (Surf1->IsUClosed() || Surf1->IsVClosed() ||
1320 Surf2->IsUClosed() || Surf2->IsVClosed())
1321 {
1322 Standard_Real TolPar = Precision::PConfusion();
1323 IntSurf_ListOfPntOn2S AdditionalPnts;
1324 Standard_Real NewU1, NewV1, NewU2, NewV2;
1325 for(; IterLOP1.More(); IterLOP1.Next())
1326 {
1327 IntSurf_PntOn2S Pnt = IterLOP1.Value();
1328 Pnt.Parameters(U1, V1, U2, V2);
1329 IntSurf_PntOn2S NewPnt;
1330 if (Surf1->IsUClosed())
1331 {
1332 if (Abs(U1 - Surf1->FirstUParameter()) <= TolPar)
1333 {
1334 NewU1 = Surf1->LastUParameter();
1335 NewPnt.SetValue( NewU1, V1, U2, V2 );
1336 AdditionalPnts.Append(NewPnt);
1337 }
1338 else if (Abs(U1 - Surf1->LastUParameter()) <= TolPar)
1339 {
1340 NewU1 = Surf1->FirstUParameter();
1341 NewPnt.SetValue( NewU1, V1, U2, V2 );
1342 AdditionalPnts.Append(NewPnt);
1343 }
1344 }
1345 if (Surf1->IsVClosed())
1346 {
1347 if (Abs(V1 - Surf1->FirstVParameter()) <= TolPar)
1348 {
1349 NewV1 = Surf1->LastVParameter();
1350 NewPnt.SetValue( U1, NewV1, U2, V2 );
1351 AdditionalPnts.Append(NewPnt);
1352 }
1353 else if (Abs(V1 - Surf1->LastVParameter()) <= TolPar)
1354 {
1355 NewV1 = Surf1->FirstVParameter();
1356 NewPnt.SetValue( U1, NewV1, U2, V2 );
1357 AdditionalPnts.Append(NewPnt);
1358 }
1359 }
1360 if (Surf2->IsUClosed())
1361 {
1362 if (Abs(U2 - Surf2->FirstUParameter()) <= TolPar)
1363 {
1364 NewU2 = Surf2->LastUParameter();
1365 NewPnt.SetValue( U1, V1, NewU2, V2);
1366 AdditionalPnts.Append(NewPnt);
1367 }
1368 else if (Abs(U2 - Surf2->LastUParameter()) <= TolPar)
1369 {
1370 NewU2 = Surf2->FirstUParameter();
1371 NewPnt.SetValue( U1, V1, NewU2, V2);
1372 AdditionalPnts.Append(NewPnt);
1373 }
1374 }
1375 if (Surf2->IsVClosed())
1376 {
1377 if (Abs(V2 - Surf2->FirstVParameter()) <= TolPar)
1378 {
1379 NewV2 = Surf2->LastVParameter();
1380 NewPnt.SetValue( U1, V1, U2, NewV2 );
1381 AdditionalPnts.Append(NewPnt);
1382 }
1383 else if (Abs(V2 - Surf2->LastVParameter()) <= TolPar)
1384 {
1385 NewV2 = Surf2->FirstVParameter();
1386 NewPnt.SetValue( U1, V1, U2, NewV2 );
1387 AdditionalPnts.Append(NewPnt);
1388 }
1389 }
1390 }
1391 //Cut repeated points
1392 for (IterLOP1.Initialize(LOfPnts); IterLOP1.More(); IterLOP1.Next())
1393 {
1394 IntSurf_PntOn2S aPnt = IterLOP1.Value();
1395 aPnt.Parameters(U1, V1, U2, V2);
1396 IntSurf_ListIteratorOfListOfPntOn2S iter2(AdditionalPnts);
1397 while (iter2.More())
1398 {
1399 IntSurf_PntOn2S aNewPnt = iter2.Value();
1400 aNewPnt.Parameters(NewU1, NewV1, NewU2, NewV2);
1401 if (Abs(U1 - NewU1) <= TolPar &&
1402 Abs(V1 - NewV1) <= TolPar &&
1403 Abs(U2 - NewU2) <= TolPar &&
1404 Abs(V2 - NewV2) <= TolPar)
1405 AdditionalPnts.Remove(iter2);
1406 else
1407 iter2.Next();
1408 }
1409 }
1410
1411 LOfPnts.Append(AdditionalPnts);
1412 }
7fd59977 1413
4a616573 1414 for(IterLOP1.Initialize(LOfPnts); IterLOP1.More(); IterLOP1.Next()){
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1415 IntSurf_PntOn2S Pnt = IterLOP1.Value();
1416 Pnt.Parameters(U1, V1, U2, V2);
1417 if(U1>UmaxLig1) UmaxLig1=U1;
1418 if(V1>VmaxLig1) VmaxLig1=V1;
1419 if(U2>UmaxLig2) UmaxLig2=U2;
1420 if(V2>VmaxLig2) VmaxLig2=V2;
00302ba4 1421
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1422 if(U1<UminLig1) UminLig1=U1;
1423 if(V1<VminLig1) VminLig1=V1;
1424 if(U2<UminLig2) UminLig2=U2;
1425 if(V2<VminLig2) VminLig2=V2;
7fd59977 1426 }
00302ba4 1427
c66d7156 1428 Standard_Real SeuildPointLigne = 15.0 * Increment * Increment;
00302ba4 1429
302f96fb 1430 Standard_Integer NbLigCalculee = 0, ver;
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1431 Standard_Real pu1,pu2,pv1,pv2, dminiPointLigne;
1432 Standard_Boolean HasStartPoint,RejetLigne;
1433 IntSurf_PntOn2S StartPOn2S;
1434 gp_Pnt Point3dDebut,Point3dFin;
7fd59977 1435
c66d7156 1436 TColStd_Array1OfReal StartParams(1,4);
47cbf134 1437 IntWalk_PWalking PW(Surf1,Surf2,TolTangency,Epsilon,Deflection,Increment);
00302ba4 1438
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1439 IntSurf_ListIteratorOfListOfPntOn2S IterLOP2(LOfPnts);
1440 for(; IterLOP2.More(); IterLOP2.Next() ){
00302ba4 1441
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1442 IntSurf_PntOn2S cPnt = IterLOP2.Value();
1443 cPnt.Parameters(U1, V1, U2, V2);
00302ba4 1444
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1445 StartParams(1) = U1;
1446 StartParams(2) = V1;
1447 StartParams(3) = U2;
1448 StartParams(4) = V2;
00302ba4 1449
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1450 HasStartPoint = PW.PerformFirstPoint(StartParams,StartPOn2S);
1451 dminiPointLigne = SeuildPointLigne + SeuildPointLigne;
1452 if(HasStartPoint) {
1453 StartPOn2S.Parameters(pu1,pv1,pu2,pv2);
1454 NbLigCalculee = SLin.Length();
1455 Standard_Integer l;
1456 for( l = 1; (l <= NbLigCalculee) && (dminiPointLigne >= SeuildPointLigne); l++) {
a7dd5d0f 1457 const Handle(IntPatch_WLine)& testwline = *((Handle(IntPatch_WLine)*)&SLin.Value(l));
1458
1459 if (IsPointOnLine(StartPOn2S, testwline, Deflection)) {
1460 dminiPointLigne = 0.0;
1461 }
c66d7156 1462 }// for( l ...
00302ba4 1463
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1464 if(dminiPointLigne > SeuildPointLigne) {
1465 PW.Perform(StartParams,UminLig1,VminLig1,UminLig2,VminLig2,UmaxLig1,VmaxLig1,UmaxLig2,VmaxLig2);
1466 if(PW.IsDone()) {
c2c2f2b6 1467 if(PW.NbPoints()>2)
1468 {
1469 //Try to extend the intersection line to boundary, if it is possibly
1470 Standard_Boolean hasBeenAdded = PW.PutToBoundary(Surf1, Surf2);
1471
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1472 RejetLigne = Standard_False;
1473 Point3dDebut = PW.Value(1).Value();
a7dd5d0f 1474 const IntSurf_PntOn2S& PointFin = PW.Value(PW.NbPoints());
1475 Point3dFin = PointFin.Value();
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1476 for( ver = 1 ; (!RejetLigne) && (ver<= NbLigCalculee) ; ver++) {
1477 const Handle(IntPatch_WLine)& verwline = *((Handle(IntPatch_WLine)*)&SLin.Value(ver));
a7dd5d0f 1478
1479 // Check end point if it is on existing line.
1480 // Start point is checked before.
1481 if (IsPointOnLine(PointFin, verwline, Deflection)) {
1482 RejetLigne = Standard_True;
1483 break;
1484 }
1485
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1486 const IntSurf_PntOn2S& verPointDebut = verwline->Point(1);
1487 const IntSurf_PntOn2S& verPointFin = verwline->Point(verwline->NbPnts());
1488 if(Point3dDebut.Distance(verPointDebut.Value()) <= TolTangency) {
1489 if(Point3dFin.Distance(verPointFin.Value()) <= TolTangency)
1490 RejetLigne = Standard_True;
1491 }
1492 }
00302ba4 1493
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1494 if(!RejetLigne) {
1495 IntSurf_TypeTrans trans1,trans2;
1496 Standard_Real locu,locv;
1497 gp_Vec norm1,norm2,d1u,d1v;
1498 gp_Pnt ptbid;
1499 Standard_Integer indextg;
1500 gp_Vec tgline(PW.TangentAtLine(indextg));
1501 PW.Line()->Value(indextg).ParametersOnS1(locu,locv);
1502 Surf1->D1(locu,locv,ptbid,d1u,d1v);
1503 norm1 = d1u.Crossed(d1v);
1504 PW.Line()->Value(indextg).ParametersOnS2(locu,locv);
1505 Surf2->D1(locu,locv,ptbid,d1u,d1v);
1506 norm2 = d1u.Crossed(d1v);
1507 if( tgline.DotCross(norm2,norm1) >= 0. ) {
1508 trans1 = IntSurf_Out;
1509 trans2 = IntSurf_In;
1510 }
1511 else {
1512 trans1 = IntSurf_In;
1513 trans2 = IntSurf_Out;
1514 }
00302ba4 1515
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1516 Standard_Real TolTang = TolTangency;
1517 Handle(IntPatch_WLine) wline = new IntPatch_WLine(PW.Line(),Standard_False,trans1,trans2);
1518 if (RestrictLine){
c2c2f2b6 1519 IntPatch_RstInt::PutVertexOnLine(wline,Surf1,D1,Surf2,Standard_True,TolTang,hasBeenAdded);
1520 IntPatch_RstInt::PutVertexOnLine(wline,Surf2,D2,Surf1,Standard_False,TolTang,hasBeenAdded);
c66d7156 1521 }
00302ba4 1522
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1523 if(wline->NbVertex() == 0) {
1524 IntPatch_Point vtx;
1525 IntSurf_PntOn2S POn2S = PW.Line()->Value(1);
1526 POn2S.Parameters(pu1,pv1,pu2,pv2);
1527 vtx.SetValue(Point3dDebut,TolTang,Standard_False);
1528 vtx.SetParameters(pu1,pv1,pu2,pv2);
1529 vtx.SetParameter(1);
1530 wline->AddVertex(vtx);
00302ba4 1531
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1532 POn2S = PW.Line()->Value(wline->NbPnts());
1533 POn2S.Parameters(pu1,pv1,pu2,pv2);
1534 vtx.SetValue(Point3dFin,TolTang,Standard_False);
1535 vtx.SetParameters(pu1,pv1,pu2,pv2);
1536 vtx.SetParameter(wline->NbPnts());
1537 wline->AddVertex(vtx);
1538 }
7fd59977 1539
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1540 Standard_Integer slinlen = SLin.Length();
1541 if( slinlen > 0 ) {
1542 Standard_Integer cnbV = wline->NbVertex();
1543 Standard_Integer ciV;
1544 for( ciV = 1; ciV <= cnbV; ciV++ ) {
1545 Standard_Real pntDMin = 1.e+100;
1546 Standard_Integer VDMin = 0;
1547 Standard_Integer WLDMin = 0;
1548 gp_Pnt cPV = wline->Vertex(ciV).Value();
1549 Standard_Integer iL;
1550 for( iL = 1; iL <= slinlen; iL++) {
1551 const Handle(IntPatch_Line)& aSLine = SLin.Value(iL);
1552 IntPatch_IType aType = aSLine->ArcType();
1553 if( aType != IntPatch_Walking)
1554 continue;
1555 const Handle(IntPatch_WLine)& aWLine = (*((Handle(IntPatch_WLine)*)&aSLine));
1556 Standard_Integer tnbV = aWLine->NbVertex();
1557 Standard_Integer tiV;
1558 for( tiV = 1; tiV <= tnbV; tiV++ ) {
1559 gp_Pnt tPV = aWLine->Vertex(tiV).Value();
1560 Standard_Real tDistance = cPV.Distance(tPV);
1561 Standard_Real uRs1 = Surf1->Surface().UResolution(tDistance);
1562 Standard_Real vRs1 = Surf1->Surface().VResolution(tDistance);
1563 Standard_Real uRs2 = Surf2->Surface().UResolution(tDistance);
1564 Standard_Real vRs2 = Surf2->Surface().VResolution(tDistance);
1565 Standard_Real RmaxS1 = Max(uRs1,vRs1);
1566 Standard_Real RmaxS2 = Max(uRs2,vRs2);
1567 if(RmaxS1 < 1.e-4 && RmaxS2 < 1.e-4) {
1568 if( pntDMin > tDistance && tDistance > 1.e-9) {
1569 pntDMin = tDistance;
1570 VDMin = tiV;
1571 WLDMin = iL;
1572 }
1573 }
1574 }
1575 }
00302ba4 1576
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1577 if( VDMin != 0 ) {
1578 const Handle(IntPatch_Line)& aSLine = SLin.Value(WLDMin);
1579 const Handle(IntPatch_WLine)& aWLine = (*((Handle(IntPatch_WLine)*)&aSLine));
1580 Standard_Integer tiVpar = (Standard_Integer)aWLine->Vertex(VDMin).ParameterOnLine();
1581 Standard_Integer ciVpar = (Standard_Integer)wline->Vertex(ciV).ParameterOnLine();
1582 Standard_Real u11 = 0., u12 = 0., v11 = 0., v12 = 0.;
1583 Standard_Real u21 = 0., u22 = 0., v21 = 0., v22 = 0.;
1584 wline->Point(ciVpar).Parameters(u11,v11,u12,v12);
1585 aWLine->Point(tiVpar).Parameters(u21,v21,u22,v22);
00302ba4 1586
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1587 Handle(IntSurf_LineOn2S) newL2s = new IntSurf_LineOn2S();
1588 IntSurf_PntOn2S replacePnt = aWLine->Point(tiVpar);
1589 Standard_Integer cNbP = wline->NbPnts();
00302ba4 1590
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1591 TColStd_SequenceOfInteger VPold;
1592 Standard_Integer iPo;
1593 for( iPo = 1; iPo <= cnbV; iPo++ ) {
1594 Standard_Real Po = wline->Vertex(iPo).ParameterOnLine();
1595 Standard_Integer IPo = (Standard_Integer) Po;
1596 VPold.Append(IPo);
1597 }
00302ba4 1598
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1599 Standard_Boolean removeNext = Standard_False;
1600 Standard_Boolean removePrev = Standard_False;
1601 if( ciV == 1) {
1602 Standard_Integer dPar = Abs( VPold.Value(ciV) - VPold.Value(ciV+1));
1603 if(dPar > 10) {
00302ba4 1604 removeNext = Standard_True;
1605 for( iPo = (ciV+1); iPo <= cnbV; iPo++ )
1606 VPold.SetValue(iPo, VPold.Value(iPo) - 1 );
1607 }
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1608 }
1609 else if( ciV == cnbV) {
1610 Standard_Integer dPar = Abs( VPold.Value(ciV) - VPold.Value(ciV-1));
1611 if(dPar > 10) {
1612 removePrev = Standard_True;
1613 VPold.SetValue(ciV, VPold.Value(ciV) - 1 );
1614 }
1615 }
1616 else {
1617 Standard_Integer dParMi = Abs( VPold.Value(ciV) - VPold.Value(ciV-1));
1618 Standard_Integer dParMa = Abs( VPold.Value(ciV) - VPold.Value(ciV+1));
1619 if(dParMi > 10) {
1620 removePrev = Standard_True;
1621 VPold.SetValue(ciV, VPold.Value(ciV) - 1 );
1622 }
1623 if(dParMa > 10) {
1624 removeNext = Standard_True;
1625 for( iPo = (ciV+1); iPo <= cnbV; iPo++ ) {
1626 if(dParMi > 10)
1627 VPold.SetValue(iPo, VPold.Value(iPo) - 2 );
1628 else
1629 VPold.SetValue(iPo, VPold.Value(iPo) - 1 );
1630 }
1631 }
1632 else {
1633 if(dParMi > 10)
1634 for( iPo = (ciV+1); iPo <= cnbV; iPo++ )
1635 VPold.SetValue(iPo, VPold.Value(iPo) - 1 );
1636 }
1637 }
1638 Standard_Integer pI = (Standard_Integer) ciVpar;
00302ba4 1639
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1640 Standard_Integer iP;
1641 for( iP = 1; iP <= cNbP; iP++) {
1642 if( pI == iP )
b1c5c4e6 1643 {
1644 IntSurf_PntOn2S newPnt = MakeNewPoint(replacePnt, wline->Point(iP), Periods);
1645 newL2s->Add(newPnt);
1646 }
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1647 else if(removeNext && iP == (pI + 1))
1648 continue;
1649 else if(removePrev && iP == (pI - 1))
1650 continue;
1651 else
1652 newL2s->Add(wline->Point(iP));
1653 }
00302ba4 1654
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1655 IntPatch_Point newVtx;
1656 gp_Pnt Pnt3dV = aWLine->Vertex(VDMin).Value();
1657 newVtx.SetValue(Pnt3dV,TolTang,Standard_False);
1658 newVtx.SetParameters(u21,v21,u22,v22);
1659 newVtx.SetParameter(VPold.Value(ciV));
00302ba4 1660
c66d7156 1661 Handle(IntPatch_WLine) NWLine = new IntPatch_WLine(newL2s,Standard_False,trans1,trans2);
00302ba4 1662
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1663 Standard_Integer iV;
1664 for( iV = 1; iV <= cnbV; iV++ ) {
1665 if( iV == ciV )
1666 NWLine->AddVertex(newVtx);
1667 else {
1668 IntPatch_Point theVtx = wline->Vertex(iV);
1669 theVtx.SetParameter(VPold.Value(iV));
1670 NWLine->AddVertex(theVtx);
1671 }
1672 }
00302ba4 1673
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1674 wline = NWLine;
1675 }
1676 }
1677 }// SLin.Length > 0
00302ba4 1678
a7dd5d0f 1679 AddWLine(SLin, wline, Deflection);
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1680 empt = Standard_False;
1681 }// !RejetLigne
1682 }// PW points > 2
1683 }// done is True
1684 }// dminiPointLigne > SeuildPointLigne
1685 }// HasStartPoint
1686 }// for( IterLOP ...
1687 done = Standard_True;
1688 return;
1689}
1690//=======================================================================
1691//function : Perform
1692//purpose :
1693//=======================================================================
1694void IntPatch_PrmPrmIntersection::Perform(const Handle(Adaptor3d_HSurface)& Surf1,
00302ba4 1695 const Handle(Adaptor3d_TopolTool)& D1,
1696 const Handle(Adaptor3d_HSurface)& Surf2,
1697 const Handle(Adaptor3d_TopolTool)& D2,
1698 const Standard_Real U1Depart,
1699 const Standard_Real V1Depart,
1700 const Standard_Real U2Depart,
1701 const Standard_Real V2Depart,
1702 const Standard_Real TolTangency,
1703 const Standard_Real Epsilon,
1704 const Standard_Real Deflection,
1705 const Standard_Real Increment)
1706{
1707 // Standard_Integer NbU1 = D1->NbSamplesU();
1708 // Standard_Integer NbV1 = D1->NbSamplesV();
1709 // Standard_Integer NbU2 = D2->NbSamplesU();
1710 // Standard_Integer NbV2 = D2->NbSamplesV();
7fd59977 1711
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1712 //-- Traitement des Lignes de sections
1713 empt = Standard_True;
1714 done = Standard_True;
1715 SLin.Clear();
00302ba4 1716
c66d7156 1717 //------------------------------------------------------------
7fd59977 1718
c66d7156 1719 Standard_Real pu1,pu2,pv1,pv2;
00302ba4 1720
c66d7156 1721 TColStd_Array1OfReal StartParams(1,4);
00302ba4 1722
1723 // Standard_Integer MaxOscill = NbU1;
1724 // if(MaxOscill < NbU2) MaxOscill=NbU2;
1725 // if(MaxOscill < NbV1) MaxOscill=NbV1;
1726 // if(MaxOscill < NbV2) MaxOscill=NbV2;
1727
1728 // Standard_Real nIncrement=Increment;
1729 // if(MaxOscill>10) {
0797d9d3 1730 // #ifdef OCCT_DEBUG
00302ba4 1731 // cout<<"\n IntPatch_PrmPrmIntersection.gxx : Increment:"<<Increment<<" -> "<<Increment/(0.5*MaxOscill)<<endl;
1732 // #endif
1733 // nIncrement/=0.5*MaxOscill;
1734 // }
1735
47cbf134 1736 IntWalk_PWalking PW(Surf1,Surf2,
00302ba4 1737 TolTangency,
1738 Epsilon,
1739 Deflection,
1740 Increment); //nIncrement);
1741
1742
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1743 //Standard_Real SeuildPointLigne = 15.0 * Increment * Increment; //-- 10 est insuffisant
1744 //Standard_Real incidence;
1745 //Standard_Real dminiPointLigne;
00302ba4 1746
c66d7156 1747 Standard_Boolean HasStartPoint;//,RejetLigne;
00302ba4 1748
c66d7156 1749 IntSurf_PntOn2S StartPOn2S;
00302ba4 1750
c66d7156 1751 //Standard_Integer ver;
00302ba4 1752
c66d7156 1753 gp_Pnt Point3dDebut,Point3dFin;
00302ba4 1754
c66d7156 1755 //------------------------------------------------------------
00302ba4 1756
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1757 StartParams(1) = U1Depart;
1758 StartParams(2) = V1Depart;
1759 StartParams(3) = U2Depart;
1760 StartParams(4) = V2Depart;
00302ba4 1761
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1762 //-----------------------------------------------------------------------
1763 //-- Calcul du premier point de cheminement a partir du point approche --
1764 //-----------------------------------------------------------------------
1765 HasStartPoint = PW.PerformFirstPoint(StartParams,StartPOn2S);
1766 if(HasStartPoint) {
1767 //-------------------------------------------------
1768 //-- Un point a ete trouve --
1769 //-- On verifie qu il n appartient pas --
1770 //-- a une ligne de cheminement deja calculee. --
1771 //-------------------------------------------------
00302ba4 1772
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1773 PW.Perform(StartParams);
1774 if(PW.IsDone()) {
00302ba4 1775
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1776 Point3dDebut = PW.Value(1).Value();
1777 Point3dFin = PW.Value(PW.NbPoints()).Value();
7fd59977 1778
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1779 IntSurf_TypeTrans trans1,trans2;
1780 Standard_Real locu,locv;
1781 gp_Vec norm1,norm2,d1u,d1v;
1782 gp_Pnt ptbid;
1783 Standard_Integer indextg;
1784 gp_Vec tgline(PW.TangentAtLine(indextg));
1785 PW.Line()->Value(indextg).ParametersOnS1(locu,locv);
1786 Surf1->D1(locu,locv,ptbid,d1u,d1v);
1787 norm1 = d1u.Crossed(d1v);
1788 PW.Line()->Value(indextg).ParametersOnS2(locu,locv);
1789 Surf2->D1(locu,locv,ptbid,d1u,d1v);
1790 norm2 = d1u.Crossed(d1v);
1791 if (tgline.DotCross(norm2,norm1)>0.) {
00302ba4 1792 trans1 = IntSurf_Out;
1793 trans2 = IntSurf_In;
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1794 }
1795 else {
00302ba4 1796 trans1 = IntSurf_In;
1797 trans2 = IntSurf_Out;
c66d7156 1798 }
00302ba4 1799
1800
1801
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1802 Standard_Real TolTang = TolTangency;
1803 Handle(IntPatch_WLine) wline = new IntPatch_WLine(PW.Line(),Standard_False,trans1,trans2);
1804 IntPatch_RstInt::PutVertexOnLine(wline,Surf1,D1,Surf2,Standard_True,TolTang);
1805 IntPatch_RstInt::PutVertexOnLine(wline,Surf2,D2,Surf1,Standard_False,TolTang);
00302ba4 1806
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1807 //---------------
1808 if(wline->NbVertex() == 0) {
00302ba4 1809 IntPatch_Point vtx;
1810 IntSurf_PntOn2S POn2S = PW.Line()->Value(1);
1811 POn2S.Parameters(pu1,pv1,pu2,pv2);
1812 vtx.SetValue(Point3dDebut,TolTang,Standard_False);
1813 vtx.SetParameters(pu1,pv1,pu2,pv2);
1814 vtx.SetParameter(1);
1815 wline->AddVertex(vtx);
1816
1817 POn2S = PW.Line()->Value(wline->NbPnts());
1818 POn2S.Parameters(pu1,pv1,pu2,pv2);
1819 vtx.SetValue(Point3dFin,TolTang,Standard_False);
1820 vtx.SetParameters(pu1,pv1,pu2,pv2);
1821 vtx.SetParameter(wline->NbPnts());
1822 wline->AddVertex(vtx);
c66d7156 1823 }
00302ba4 1824
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1825 //---------------
1826 SLin.Append(wline);
1827 empt = Standard_False;
00302ba4 1828
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1829 }
1830 }
1831}
1832//==================================================================================
1833// function : AdjustOnPeriodic
1834// purpose :
1835//==================================================================================
1836void AdjustOnPeriodic(const Handle(Adaptor3d_HSurface)& Surf1,
00302ba4 1837 const Handle(Adaptor3d_HSurface)& Surf2,
1838 IntPatch_SequenceOfLine& aSLin)
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1839{
1840 Standard_Boolean bIsPeriodic[4], bModified, bIsNull, bIsPeriod;
1841 Standard_Integer i, j, k, aNbLines, aNbPx, aIndx, aIndq;
1842 Standard_Real aPeriod[4], dPeriod[4], ux[4], uq[4], aEps, du;
1843 //
1844 aEps=Precision::Confusion();
1845 //
1846 for (k=0; k<4; ++k) {
1847 aPeriod[k]=0.;
1848 }
1849 //
1850 bIsPeriodic[0]=Surf1->IsUPeriodic();
1851 bIsPeriodic[1]=Surf1->IsVPeriodic();
1852 bIsPeriodic[2]=Surf2->IsUPeriodic();
1853 bIsPeriodic[3]=Surf2->IsVPeriodic();
1854 //
1855 if (bIsPeriodic[0]){
1856 aPeriod[0]=Surf1->UPeriod();
1857 }
1858 if (bIsPeriodic[1]){
1859 aPeriod[1]=Surf1->VPeriod();
1860 }
1861 if (bIsPeriodic[2]){
1862 aPeriod[2]=Surf2->UPeriod();
1863 }
1864 if (bIsPeriodic[3]){
1865 aPeriod[3]=Surf2->VPeriod();
1866 }
1867 //
1868 for (k=0; k<4; ++k) {
1869 dPeriod[k]=0.25*aPeriod[k];
1870 }
1871 //
1872 aNbLines=aSLin.Length();
1873 for (i=1; i<=aNbLines; ++i) {
1874 Handle(IntPatch_WLine) aIL=Handle(IntPatch_WLine)::DownCast(aSLin.Value(i));
1875 Handle(IntSurf_LineOn2S) aL=aIL->Curve();
1876
1877 aNbPx=aL->NbPoints();
1878 if (aNbPx<10) {
1879 continue;
1880 }
1881 //
1882 for (j=0; j<2; ++j) {
1883 bModified=Standard_False;
1884 aIndx=1;
1885 aIndq=2;
1886 if (j) {
00302ba4 1887 aIndx=aNbPx;
1888 aIndq=aNbPx-1;
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1889 }
1890 //
1891 const IntSurf_PntOn2S& aPSx=aL->Value(aIndx);
1892 const IntSurf_PntOn2S& aPSq=aL->Value(aIndq);
1893 //
1894 aPSx.Parameters(ux[0], ux[1], ux[2], ux[3]);
1895 aPSq.Parameters(uq[0], uq[1], uq[2], uq[3]);
1896 //
1897 for (k=0; k<4; ++k) {
00302ba4 1898 bIsNull=Standard_False;
1899 bIsPeriod=Standard_False;
1900 //
1901 if (!bIsPeriodic[k]) {
1902 continue;
1903 }
1904 //
1905 if (fabs(ux[k])<aEps) {
1906 bModified=Standard_True;
1907 bIsNull=Standard_True;
1908 }
1909 //
1910 else if (fabs(ux[k]-aPeriod[k])<aEps) {
1911 bModified=Standard_True;
1912 bIsPeriod=Standard_True;
1913 }
1914 //
1915 if (bModified) {
1916 du=fabs(ux[k]-uq[k]);
1917 if (du > dPeriod[k]) {
1918 if(bIsNull){
1919 ux[k]=aPeriod[k];
1920 }
1921 if(bIsPeriod) {
1922 ux[k]=0.;
1923 }
1924 }
1925 }
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1926 }//for (k=0; k<4; ++k)
1927 if (bModified) {
00302ba4 1928 IntSurf_PntOn2S aPntOn2S;
1929 //
1930 aPntOn2S=aPSx;
1931 aPntOn2S.SetValue(ux[0], ux[1], ux[2], ux[3]);
1932 aL->Value(aIndx, aPntOn2S);
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1933 }
1934 }//for (j=0; j<1; ++j) {
1935 }//for (i=1; i<=aNbLines; ++i)
1936}
b1c5c4e6 1937
1938//==================================================================================
1939// function : MakeNewPoint
1940// purpose :
1941//==================================================================================
1942IntSurf_PntOn2S MakeNewPoint(const IntSurf_PntOn2S& replacePnt,
1943 const IntSurf_PntOn2S& oldPnt,
1944 const Standard_Real* Periods)
1945{
1946 IntSurf_PntOn2S NewPoint;
1947 NewPoint.SetValue(replacePnt.Value());
00302ba4 1948
b1c5c4e6 1949 Standard_Real OldParams[4], NewParams[4];
1950 oldPnt.Parameters(OldParams[0], OldParams[1], OldParams[2], OldParams[3]);
1951 replacePnt.Parameters(NewParams[0], NewParams[1], NewParams[2], NewParams[3]);
1952
1953 Standard_Integer i;
1954 for (i = 0; i < 4; i++)
1955 if (Periods[i] != 0.)
1956 {
1957 if (Abs(NewParams[i] - OldParams[i]) >= 0.5*Periods[i])
1958 {
1959 if (NewParams[i] < OldParams[i])
1960 NewParams[i] += Periods[i];
1961 else
1962 NewParams[i] -= Periods[i];
1963 }
1964 }
1965
00302ba4 1966 NewPoint.SetValue(NewParams[0], NewParams[1], NewParams[2], NewParams[3]);
1967 return NewPoint;
b1c5c4e6 1968}
1969
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1970//==================================================================================
1971// function : Perform
1972// purpose : base SS Int. function
1973//==================================================================================
1974void IntPatch_PrmPrmIntersection::Perform (const Handle(Adaptor3d_HSurface)& Surf1,
00302ba4 1975 const Handle(Adaptor3d_TopolTool)& D1,
1976 const Handle(Adaptor3d_HSurface)& Surf2,
1977 const Handle(Adaptor3d_TopolTool)& D2,
1978 const Standard_Real TolTangency,
1979 const Standard_Real Epsilon,
1980 const Standard_Real Deflection,
1981 const Standard_Real Increment,
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1982 const Standard_Boolean ClearFlag)
1983{
00302ba4 1984 Standard_Integer Limit = 2500;
1985 Standard_Integer NbU1 = 10, NbV1 = 10, NbU2 = 10, NbV2 = 10;
c66d7156 1986 //
00302ba4 1987 D1->SamplePnts(Deflection, NbU1, NbV1);
1988 D2->SamplePnts(Deflection, NbU2, NbV2);
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1989 //
1990 NbU1 = D1->NbSamplesU();
1991 NbV1 = D1->NbSamplesV();
1992 NbU2 = D2->NbSamplesU();
1993 NbV2 = D2->NbSamplesV();
00302ba4 1994
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1995 TColStd_Array1OfReal anUpars1(1, NbU1), aVpars1(1, NbV1);
1996 TColStd_Array1OfReal anUpars2(1, NbU2), aVpars2(1, NbV2);
1997 //
1998 D1->UParameters(anUpars1);
1999 D1->VParameters(aVpars1);
2000 D2->UParameters(anUpars2);
2001 D2->VParameters(aVpars2);
b1c5c4e6 2002
2003 Standard_Real Periods [4];
2004 Periods[0] = (Surf1->IsUPeriodic())? Surf1->UPeriod() : 0.;
2005 Periods[1] = (Surf1->IsVPeriodic())? Surf1->VPeriod() : 0.;
2006 Periods[2] = (Surf2->IsUPeriodic())? Surf2->UPeriod() : 0.;
2007 Periods[3] = (Surf2->IsVPeriodic())? Surf2->VPeriod() : 0.;
00302ba4 2008
c66d7156 2009 //---------------------------------------------
00302ba4 2010 if((NbU1*NbV1<=Limit && NbV2*NbU2<=Limit))
2011 {
c66d7156 2012 empt = Standard_True;
00302ba4 2013 if (ClearFlag)
2014 {
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2015 SLin.Clear();
2016 }
2017 //
2018 IntPolyh_Intersection* pInterference = NULL;
2019
00302ba4 2020 if ( D1->IsUniformSampling() || D2->IsUniformSampling() )
2021 {
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2022 pInterference = new IntPolyh_Intersection(Surf1,NbU1,NbV1,Surf2,NbU2,NbV2);
2023 }
00302ba4 2024 else
2025 {
c66d7156 2026 pInterference = new IntPolyh_Intersection(Surf1, anUpars1, aVpars1,
00302ba4 2027 Surf2, anUpars2, aVpars2 );
c66d7156 2028 }
00302ba4 2029
2030 if ( !pInterference )
2031 {
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2032 done = Standard_False;
2033 return;
2034 }
2035 //
2036 IntPolyh_Intersection& Interference = *pInterference;
2037 //
2038 done = Interference.IsDone();
00302ba4 2039 if( !done )
2040 {
2041 if (pInterference)
2042 {
2043 delete pInterference;
2044 pInterference = NULL;
c66d7156 2045 }
00302ba4 2046
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2047 return;
2048 }
00302ba4 2049
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2050 Standard_Integer nbLigSec = Interference.NbSectionLines();
2051 Standard_Integer nbTanZon = Interference.NbTangentZones();
2052 Standard_Real SeuildPointLigne = 15.0 * Increment * Increment;
2053
302f96fb 2054 Standard_Integer NbLigCalculee = 0, ver;
00302ba4 2055 Standard_Real pu1,pu2,pv1,pv2, incidence, dminiPointLigne;
2056 Standard_Boolean HasStartPoint = Standard_False, RejectLine = Standard_False;
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2057 IntSurf_PntOn2S StartPOn2S;
2058 gp_Pnt Point3dDebut,Point3dFin;
2059
2060 TColStd_Array1OfReal StartParams(1,4);
47cbf134 2061 IntWalk_PWalking PW(Surf1,Surf2,TolTangency,Epsilon,Deflection,Increment);
c66d7156 2062
00302ba4 2063 if(nbLigSec>=1)
2064 {
c66d7156 2065 Standard_Integer *TabL = new Standard_Integer [nbLigSec+1];
00302ba4 2066 for(Standard_Integer ls=1; ls<=nbLigSec; ++ls)
2067 {
2068 TabL[ls]=ls;
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2069 }
2070 //----------------------------------------1.1
00302ba4 2071 {
2072 Standard_Boolean triok;
2073 Standard_Integer nb_A, nb_B, tyu;
2074 do
2075 {
2076 triok=Standard_True;
2077 for(Standard_Integer b = 2; b <= nbLigSec; ++b )
2078 {
2079 nb_B = Interference.NbPointsInLine(TabL[b]);
2080 nb_A = Interference.NbPointsInLine(TabL[b-1]);
2081
2082 if( nb_B > nb_A )
2083 {
2084 tyu=TabL[b];
2085 TabL[b]=TabL[b-1];
2086 TabL[b-1]=tyu;
2087 triok=Standard_False;
2088 }
2089 }
2090 }
2091 while(triok==Standard_False);
2092 }
2093
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2094 //----------------------------------------
2095 // 1.2 For the line "ls" get 2D-bounds U,V for surfaces 1,2
2096 //
00302ba4 2097 for(Standard_Integer ls = 1; ls <= nbLigSec; ++ls)
2098 {
2099 Standard_Integer nbp = Interference.NbPointsInLine(TabL[ls]);
2100 if (!nbp)
2101 {
2102 continue;
2103 }
2104 //
2105 Standard_Integer *TabPtDep = new Standard_Integer [nbp+1];
2106 for(Standard_Integer ilig = 1; ilig <= nbp; ++ilig )
2107 {
2108 TabPtDep[ilig]=0;
2109 }
2110 //
2111 Standard_Real UminLig1,VminLig1,UmaxLig1,VmaxLig1;
2112 Standard_Real UminLig2,VminLig2,UmaxLig2,VmaxLig2;
2113 Standard_Real _x,_y,_z;
2114 //
2115 Interference.GetLinePoint(TabL[ls], 1, _x, _y, _z,
2116 UminLig1, VminLig1, UminLig2, VminLig2,
2117 incidence);
2118
2119 UmaxLig1=UminLig1;
2120 VmaxLig1=VminLig1;
2121 UmaxLig2=UminLig2;
2122 VmaxLig2=VminLig2;
2123 //
2124 for(Standard_Integer ilig = 2; ilig <= nbp; ilig++ )
2125 {
2126 Standard_Real U1, U2, V1, V2;
2127 Interference.GetLinePoint(TabL[ls],ilig,_x,_y,_z,U1,V1,U2,V2,incidence);
2128 //
2129 if(U1>UmaxLig1) UmaxLig1=U1;
2130 if(V1>VmaxLig1) VmaxLig1=V1;
2131 if(U2>UmaxLig2) UmaxLig2=U2;
2132 if(V2>VmaxLig2) VmaxLig2=V2;
2133 //
2134 if(U1<UminLig1) UminLig1=U1;
2135 if(V1<VminLig1) VminLig1=V1;
2136 if(U2<UminLig2) UminLig2=U2;
2137 if(V2<VminLig2) VminLig2=V2;
2138 }//for( ilig = 2; ilig <= nbp; ilig++ ) {
2139 //
2140 //----------------------------------------
2141 // 1.3
2142 Standard_Integer nbps2 = (nbp>3)? (nbp/2) : 1;
2143 Standard_Integer NombreDePointsDeDepartDuCheminement = 0;
2144 Standard_Boolean lignetrouvee=Standard_False;
2145 const Standard_Integer NbDePointsDeDepartDuChmLimit = 5;
2146 //
2147 do
2148 {
2149 NombreDePointsDeDepartDuCheminement++;
2150 switch (NombreDePointsDeDepartDuCheminement)
2151 {
2152 case 1:
2153 nbps2 = (nbp > 1) ? nbp/2 : 1;
2154 if(nbp<3)
2155 NombreDePointsDeDepartDuCheminement = NbDePointsDeDepartDuChmLimit;
2156
2157 break;
2158 case 2:
2159 nbps2 = 1;
2160 break;
2161 case 3:
2162 nbps2 = nbp-1;
2163 break;
2164
2165 case 4:
2166 nbps2 = 3 * nbp / 4;
2167 break;
2168
2169 case 5:
2170 nbps2 = nbp / 4;
2171 break;
2172 default:
2173 nbps2 = NombreDePointsDeDepartDuCheminement-3;
2174 NombreDePointsDeDepartDuCheminement++;
2175 }
2176
2177 //
2178 if(TabPtDep[nbps2] == 0)
2179 {
2180 Standard_Real U1, U2, V1, V2;
2181
2182 TabPtDep[nbps2] = 1;
2183 Interference.GetLinePoint(TabL[ls],nbps2,_x,_y,_z,U1,V1,U2,V2,incidence);
2184
2185 StartParams(1) = U1;
2186 StartParams(2) = V1;
2187 StartParams(3) = U2;
2188 StartParams(4) = V2;
2189
2190 HasStartPoint = PW.PerformFirstPoint(StartParams,StartPOn2S);
2191 dminiPointLigne = SeuildPointLigne + SeuildPointLigne;
2192 if(HasStartPoint)
2193 {
2194 StartPOn2S.Parameters(pu1,pv1,pu2,pv2);
2195 NbLigCalculee = SLin.Length();
2196 Standard_Integer l;
2197 for( l = 1; (l <= NbLigCalculee) && (dminiPointLigne >= SeuildPointLigne); l++)
2198 {
2199 const Handle(IntPatch_WLine)& testwline = *((Handle(IntPatch_WLine)*)&SLin.Value(l));
2200
2201 if (IsPointOnLine(StartPOn2S, testwline, Deflection))
2202 {
a7dd5d0f 2203 dminiPointLigne = 0.0;
2204 }
00302ba4 2205 }// for( l ...
2206
2207 if(dminiPointLigne > SeuildPointLigne)
2208 {
2209 PW.Perform(StartParams, UminLig1, VminLig1, UminLig2, VminLig2,
2210 UmaxLig1, VmaxLig1, UmaxLig2, VmaxLig2);
2211
2212 //
2213 Standard_Boolean bPWIsDone;
2214 Standard_Integer iPWNbPoints, aNbPointsVer;
2215 Standard_Real aD11, aD12, aD21, aD22, aDx;
2216 //
2217 bPWIsDone=PW.IsDone();
2218
2219 if(bPWIsDone)
2220 {
2221 iPWNbPoints=PW.NbPoints();
2222 //
2223 if( iPWNbPoints > 2 )
2224 {
c2c2f2b6 2225 //Try to extend the intersection line to boundary, if it is possibly
2226 Standard_Boolean hasBeenAdded = PW.PutToBoundary(Surf1, Surf2);
2227
00302ba4 2228 const Standard_Integer aMinNbPoints = 40;
2229 if(iPWNbPoints < aMinNbPoints)
2230 {
c2c2f2b6 2231 hasBeenAdded =
2232 PW.SeekAdditionalPoints(Surf1, Surf2, aMinNbPoints) || hasBeenAdded;
00302ba4 2233 iPWNbPoints = PW.NbPoints();
2234 }
2235
2236 RejectLine = Standard_False;
2237 Point3dDebut = PW.Value(1).Value();
2238 Point3dFin = PW.Value(iPWNbPoints).Value();
2239 for( ver = 1; (!RejectLine) && (ver<= NbLigCalculee); ++ver)
2240 {
2241 const Handle(IntPatch_WLine)& verwline = *((Handle(IntPatch_WLine)*)&SLin.Value(ver));
2242 //
2243 aNbPointsVer=verwline->NbPnts();
2244 if (aNbPointsVer<3)
2245 {
2246 continue;
2247 }
2248 //
2249 const IntSurf_PntOn2S& verPointDebut = verwline->Point(1);
2250 const IntSurf_PntOn2S& verPointFin = verwline->Point(verwline->NbPnts());
2251 //xf
2252 const gp_Pnt& aP21=verPointDebut.Value();
2253 const gp_Pnt& aP22=verPointFin.Value();
2254 //
2255 aD11=Point3dDebut.Distance(aP21);
2256 aD12=Point3dDebut.Distance(aP22);
2257 aD21=Point3dFin.Distance(aP21);
2258 aD22=Point3dFin.Distance(aP22);
2259 //
2260 if((aD11<=TolTangency && aD22<=TolTangency) ||
2261 (aD12<=TolTangency && aD21<=TolTangency))
2262 {
2263 Standard_Integer m, mx;
2264 //
2265 mx=aNbPointsVer/2;
2266 if (aNbPointsVer%2)
2267 {
2268 ++mx;
2269 }
2270 //
2271 const gp_Pnt& aPx=verwline->Point(mx).Value();
2272 for(m=1; m<iPWNbPoints; ++m)
2273 {
2274 const gp_Pnt& aP1=PW.Value(m).Value();
2275 const gp_Pnt& aP2=PW.Value(m+1).Value();
2276 gp_Vec aVec12(aP1, aP2);
2277 if (aVec12.SquareMagnitude()<1.e-20)
2278 {
2279 continue;
2280 }
2281
2282 //
2283 gp_Dir aDir12(aVec12);
2284 gp_Lin aLin12(aP1, aDir12);
2285 aDx=aLin12.Distance(aPx);
2286
2287 //modified by NIZNHY-PKV Tue May 10 11:08:07 2011f
2288 if (aDx<=2.*Epsilon)
2289 {
2290 //if (aDx<=TolTangency) {
2291 //modified by NIZNHY-PKV Tue May 10 11:08:13 2011t
2292
2293 RejectLine = Standard_True;
2294 break;
2295 }
2296 }//for(m=1; m<iPWNbPoints; ++m){
2297 }//if((aD11<=TolTangency && aD22<=TolTangency) ||...
2298 }// for( ver = 1 ; (!RejetLigne) && (ver<= NbLigCalculee) ; ver++) {
2299 //
2300
2301 if(!RejectLine)
2302 {
2303 IntSurf_TypeTrans trans1,trans2;
2304 Standard_Real locu,locv;
2305 gp_Vec norm1,norm2,d1u,d1v;
2306 gp_Pnt ptbid;
2307 Standard_Integer indextg;
2308 gp_Vec tgline(PW.TangentAtLine(indextg));
2309 PW.Line()->Value(indextg).ParametersOnS1(locu,locv);
2310 Surf1->D1(locu,locv,ptbid,d1u,d1v);
2311 norm1 = d1u.Crossed(d1v);
2312 PW.Line()->Value(indextg).ParametersOnS2(locu,locv);
2313 Surf2->D1(locu,locv,ptbid,d1u,d1v);
2314 norm2 = d1u.Crossed(d1v);
2315 if( tgline.DotCross(norm2,norm1) >= 0. )
2316 {
2317 trans1 = IntSurf_Out;
2318 trans2 = IntSurf_In;
2319 }
2320 else
2321 {
2322 trans1 = IntSurf_In;
2323 trans2 = IntSurf_Out;
2324 }
2325
2326 Standard_Real TolTang = TolTangency;
2327 Handle(IntPatch_WLine) wline = new IntPatch_WLine(PW.Line(),Standard_False,trans1,trans2);
c2c2f2b6 2328 IntPatch_RstInt::PutVertexOnLine(wline,Surf1,D1,Surf2,Standard_True,TolTang,hasBeenAdded);
2329 IntPatch_RstInt::PutVertexOnLine(wline,Surf2,D2,Surf1,Standard_False,TolTang,hasBeenAdded);
00302ba4 2330
2331 if(wline->NbVertex() == 0)
2332 {
2333 IntPatch_Point vtx;
2334 IntSurf_PntOn2S POn2S = PW.Line()->Value(1);
2335 POn2S.Parameters(pu1,pv1,pu2,pv2);
2336 vtx.SetValue(Point3dDebut,TolTang,Standard_False);
2337 vtx.SetParameters(pu1,pv1,pu2,pv2);
2338 vtx.SetParameter(1);
2339 wline->AddVertex(vtx);
2340
2341 POn2S = PW.Line()->Value(wline->NbPnts());
2342 POn2S.Parameters(pu1,pv1,pu2,pv2);
2343 vtx.SetValue(Point3dFin,TolTang,Standard_False);
2344 vtx.SetParameters(pu1,pv1,pu2,pv2);
2345 vtx.SetParameter(wline->NbPnts());
2346 wline->AddVertex(vtx);
2347 }
2348
2349 lignetrouvee = Standard_True;
2350
2351 Standard_Integer slinlen = SLin.Length();
2352 if( slinlen > 0 )
2353 {
2354 Standard_Integer cnbV = wline->NbVertex();
2355 Standard_Integer ciV;
2356 for( ciV = 1; ciV <= cnbV; ciV++ )
2357 {
2358 Standard_Real pntDMin = 1.e+100;
2359 Standard_Integer VDMin = 0;
2360 Standard_Integer WLDMin = 0;
2361 gp_Pnt cPV = wline->Vertex(ciV).Value();
2362 Standard_Integer iL;
2363 for( iL = 1; iL <= slinlen; iL++)
2364 {
2365 const Handle(IntPatch_Line)& aSLine = SLin.Value(iL);
2366 IntPatch_IType aType = aSLine->ArcType();
2367 if( aType != IntPatch_Walking)
2368 continue;
2369 const Handle(IntPatch_WLine)& aWLine = (*((Handle(IntPatch_WLine)*)&aSLine));
2370 Standard_Integer tnbV = aWLine->NbVertex();
2371 Standard_Integer tiV;
2372 for( tiV = 1; tiV <= tnbV; tiV++ )
2373 {
2374 gp_Pnt tPV = aWLine->Vertex(tiV).Value();
2375 Standard_Real tDistance = cPV.Distance(tPV);
2376 Standard_Real uRs1 = Surf1->Surface().UResolution(tDistance);
2377 Standard_Real vRs1 = Surf1->Surface().VResolution(tDistance);
2378 Standard_Real uRs2 = Surf2->Surface().UResolution(tDistance);
2379 Standard_Real vRs2 = Surf2->Surface().VResolution(tDistance);
2380 Standard_Real RmaxS1 = Max(uRs1,vRs1);
2381 Standard_Real RmaxS2 = Max(uRs2,vRs2);
2382 if(RmaxS1 < 1.e-4 && RmaxS2 < 1.e-4)
2383 {
2384 if( pntDMin > tDistance && tDistance > 1.e-9)
2385 {
2386 pntDMin = tDistance;
2387 VDMin = tiV;
2388 WLDMin = iL;
2389 }
2390 }
2391 }
2392 }
2393
2394 if( VDMin != 0 )
2395 {
2396 const Handle(IntPatch_Line)& aSLine = SLin.Value(WLDMin);
2397 const Handle(IntPatch_WLine)& aWLine = (*((Handle(IntPatch_WLine)*)&aSLine));
2398 Standard_Integer tiVpar = (Standard_Integer)aWLine->Vertex(VDMin).ParameterOnLine();
2399 Standard_Integer ciVpar = (Standard_Integer)wline->Vertex(ciV).ParameterOnLine();
2400 Standard_Real u11 = 0., u12 = 0., v11 = 0., v12 = 0.;
2401 Standard_Real u21 = 0., u22 = 0., v21 = 0., v22 = 0.;
2402 wline->Point(ciVpar).Parameters(u11,v11,u12,v12);
2403 aWLine->Point(tiVpar).Parameters(u21,v21,u22,v22);
2404
2405 Handle(IntSurf_LineOn2S) newL2s = new IntSurf_LineOn2S();
2406 IntSurf_PntOn2S replacePnt = aWLine->Point(tiVpar);
2407 Standard_Integer cNbP = wline->NbPnts();
2408
2409 TColStd_SequenceOfInteger VPold;
2410 Standard_Integer iPo;
2411 for( iPo = 1; iPo <= cnbV; iPo++ )
2412 {
2413 Standard_Real Po = wline->Vertex(iPo).ParameterOnLine();
2414 Standard_Integer IPo = (Standard_Integer) Po;
2415 VPold.Append(IPo);
2416 }
2417
2418 Standard_Boolean removeNext = Standard_False;
2419 Standard_Boolean removePrev = Standard_False;
2420 if( ciV == 1)
2421 {
2422 Standard_Integer dPar = Abs( VPold.Value(ciV) - VPold.Value(ciV+1));
2423 if(dPar > 10)
2424 {
2425 removeNext = Standard_True;
2426 for( iPo = (ciV+1); iPo <= cnbV; iPo++ )
2427 VPold.SetValue(iPo, VPold.Value(iPo) - 1 );
2428 }
2429 }
2430 else if( ciV == cnbV)
2431 {
2432 Standard_Integer dPar = Abs( VPold.Value(ciV) - VPold.Value(ciV-1));
2433 if(dPar > 10)
2434 {
2435 removePrev = Standard_True;
2436 VPold.SetValue(ciV, VPold.Value(ciV) - 1 );
2437 }
2438 }
2439 else
2440 {
2441 Standard_Integer dParMi = Abs( VPold.Value(ciV) - VPold.Value(ciV-1));
2442 Standard_Integer dParMa = Abs( VPold.Value(ciV) - VPold.Value(ciV+1));
2443 if(dParMi > 10)
2444 {
2445 removePrev = Standard_True;
2446 VPold.SetValue(ciV, VPold.Value(ciV) - 1 );
2447 }
2448
2449 if(dParMa > 10)
2450 {
2451 removeNext = Standard_True;
2452 for( iPo = (ciV+1); iPo <= cnbV; iPo++ )
2453 {
2454 if(dParMi > 10)
2455 VPold.SetValue(iPo, VPold.Value(iPo) - 2 );
2456 else
2457 VPold.SetValue(iPo, VPold.Value(iPo) - 1 );
2458 }
2459 }
2460 else
2461 {
2462 if(dParMi > 10)
2463 for( iPo = (ciV+1); iPo <= cnbV; iPo++ )
2464 VPold.SetValue(iPo, VPold.Value(iPo) - 1 );
2465 }
2466 }
2467
2468 Standard_Integer pI = ciVpar;
2469
2470 Standard_Integer iP;
2471 for( iP = 1; iP <= cNbP; iP++)
2472 {
2473 if( pI == iP )
b1c5c4e6 2474 {
2475 IntSurf_PntOn2S newPnt = MakeNewPoint(replacePnt, wline->Point(iP), Periods);
2476 newL2s->Add(newPnt);
2477 }
00302ba4 2478 else if(removeNext && iP == (pI + 1))
2479 continue;
2480 else if(removePrev && iP == (pI - 1))
2481 continue;
2482 else
2483 newL2s->Add(wline->Point(iP));
2484 }
2485
2486 IntPatch_Point newVtx;
2487 gp_Pnt Pnt3dV = aWLine->Vertex(VDMin).Value();
2488 newVtx.SetValue(Pnt3dV,TolTang,Standard_False);
2489 newVtx.SetParameters(u21,v21,u22,v22);
2490 newVtx.SetParameter(VPold.Value(ciV));
2491
2492 Handle(IntPatch_WLine) NWLine = new IntPatch_WLine(newL2s,Standard_False,trans1,trans2);
2493
2494 Standard_Integer iV;
2495 for( iV = 1; iV <= cnbV; iV++ )
2496 {
2497 if( iV == ciV )
2498 NWLine->AddVertex(newVtx);
2499 else
2500 {
2501 IntPatch_Point theVtx = wline->Vertex(iV);
2502 theVtx.SetParameter(VPold.Value(iV));
2503 NWLine->AddVertex(theVtx);
2504 }
2505 }
2506
2507 wline = NWLine;
2508 }//if( VDMin != 0 )
2509 }//for( ciV = 1; ciV <= cnbV; ciV++ )
2510 }// SLin.Length > 0
7fd59977 2511
a7dd5d0f 2512 AddWLine(SLin, wline, Deflection);
00302ba4 2513 empt = Standard_False;
2514 }// !RejetLigne
2515 }// PW points > 2
2516 }// done is True
2517 }// dminiPointLigne > SeuildPointLigne
2518 }// HasStartPoint
2519 }// if TabPtDep[nbps2] == 0
2520 } while(nbp>5 && !( (NombreDePointsDeDepartDuCheminement >= NbDePointsDeDepartDuChmLimit && lignetrouvee) ||
2521 (NombreDePointsDeDepartDuCheminement-3 >= nbp && (!lignetrouvee))));
2522 delete [] TabPtDep;
7fd59977 2523 }// for( ls ...
2524
2525 delete [] TabL;
2526
2527 }// if nbLigSec >= 1
2528 //
2529 AdjustOnPeriodic(Surf1, Surf2, SLin);
2530 //
2531
2532 //--------------------------------------------------------------------
2533 //-- Calcul des parametres approches a partir des Zones De Tangence --
2534 //--------------------------------------------------------------------
2535 Standard_Real UminLig1,VminLig1,UmaxLig1,VmaxLig1;
2536 Standard_Real UminLig2,VminLig2,UmaxLig2,VmaxLig2;
00302ba4 2537
7fd59977 2538 UminLig1=VminLig1=UminLig2=VminLig2=RealLast();
2539 UmaxLig1=VmaxLig1=UmaxLig2=VmaxLig2=-UminLig1;
2540
2541 // NbPointsInTangentZone always == 1 (eap)
00302ba4 2542
7fd59977 2543 Standard_Integer z;
00302ba4 2544 for( z=1; z <= nbTanZon; z++)
2545 {
7fd59977 2546 //Standard_Integer NbPointsInTangentZone=Interference.NbPointsInTangentZone(z);
2547 //for(Standard_Integer pz=1; pz<=NbPointsInTangentZone; pz++) {
00302ba4 2548 Standard_Integer pz=1;
2549 Standard_Real _x,_y,_z;
2550 Standard_Real U1, U2, V1, V2;
2551 Interference.GetTangentZonePoint(z,pz,_x,_y,_z,U1,V1,U2,V2);
2552
2553 if(U1>UmaxLig1) UmaxLig1=U1;
2554 if(V1>VmaxLig1) VmaxLig1=V1;
2555 if(U2>UmaxLig2) UmaxLig2=U2;
2556 if(V2>VmaxLig2) VmaxLig2=V2;
2557
2558 if(U1<UminLig1) UminLig1=U1;
2559 if(V1<VminLig1) VminLig1=V1;
2560 if(U2<UminLig2) UminLig2=U2;
2561 if(V2<VminLig2) VminLig2=V2;
7fd59977 2562 //}
2563 }
7fd59977 2564
00302ba4 2565 for(z=1; z <= nbTanZon; z++)
2566 {
7fd59977 2567 //Standard_Integer NbPointsInTangentZone=Interference.NbPointsInTangentZone(z);
2568 //for(Standard_Integer pz=1; pz<=NbPointsInTangentZone; pz++) {
00302ba4 2569 Standard_Integer pz=1;
2570 Standard_Real _x,_y,_z;
2571 Standard_Real U1, U2, V1, V2;
2572 Interference.GetTangentZonePoint(z,pz,_x,_y,_z,U1,V1,U2,V2);
2573
2574 StartParams(1) = U1;
2575 StartParams(2) = V1;
2576 StartParams(3) = U2;
2577 StartParams(4) = V2;
2578
2579 //-----------------------------------------------------------------------
2580 //-- Calcul du premier point de cheminement a partir du point approche --
2581 //-----------------------------------------------------------------------
2582 HasStartPoint = PW.PerformFirstPoint(StartParams,StartPOn2S);
2583 if(HasStartPoint)
2584 {
2585 //-------------------------------------------------
2586 //-- Un point a ete trouve --
2587 //-- On verifie qu il n appartient pas --
2588 //-- a une ligne de cheminement deja calculee. --
2589 //-------------------------------------------------
2590 StartPOn2S.Parameters(pu1,pv1,pu2,pv2);
2591
2592 NbLigCalculee = SLin.Length();
2593 dminiPointLigne = SeuildPointLigne + SeuildPointLigne;
2594
2595 for(Standard_Integer l=1;
2596 (l <= NbLigCalculee) && (dminiPointLigne >= SeuildPointLigne);
2597 l++)
2598 {
2599 const Handle(IntPatch_WLine)& testwline = *((Handle(IntPatch_WLine)*)&SLin.Value(l));
2600
2601 if (IsPointOnLine(StartPOn2S, testwline, Deflection))
2602 {
2603 dminiPointLigne = 0.0;
2604 }
2605 }
2606
2607 //-- Fin d exploration des lignes
2608 if(dminiPointLigne > SeuildPointLigne)
2609 {
2610 //---------------------------------------------------
2611 //-- Le point de depart du nouveau cheminement --
2612 //-- n est present dans aucune ligne deja calculee.--
2613 //---------------------------------------------------
2614 PW.Perform(StartParams,UminLig1,VminLig1,UminLig2,VminLig2,
2615 UmaxLig1,VmaxLig1,UmaxLig2,VmaxLig2);
2616
2617 if(PW.IsDone())
2618 {
2619 if(PW.NbPoints()>2)
2620 {
2621 const Standard_Integer aMinNbPoints = 40;
2622 if(PW.NbPoints() < aMinNbPoints)
2623 {
2624 PW.SeekAdditionalPoints(Surf1, Surf2, aMinNbPoints);
2625 }
2626
2627 //-----------------------------------------------
2628 //-- Verification a posteriori :
2629 //-- On teste si le point de depart et de fin de
2630 //-- la ligne de cheminement est present dans une
2631 //-- autre ligne .
2632 //-----------------------------------------------
2633 RejectLine = Standard_False;
2634 Point3dDebut = PW.Value(1).Value();
2635 const IntSurf_PntOn2S& PointFin = PW.Value(PW.NbPoints());
2636 Point3dFin = PointFin.Value();
2637
2638 for(ver=1 ; (!RejectLine) && (ver<= NbLigCalculee) ; ver++)
2639 {
2640 const Handle(IntPatch_WLine)& verwline = *((Handle(IntPatch_WLine)*)&SLin.Value(ver));
2641 //-- Handle(IntPatch_WLine) verwline=Handle(IntPatch_WLine)::DownCast(SLin.Value(ver));
2642
2643 // Check end point if it is on existing line.
2644 // Start point is checked before.
2645 if (IsPointOnLine(PointFin, verwline, Deflection))
2646 {
2647 RejectLine = Standard_True;
2648 break;
2649 }
2650
2651 const IntSurf_PntOn2S& verPointDebut = verwline->Point(1);
2652 const IntSurf_PntOn2S& verPointFin = verwline->Point(verwline->NbPnts());
2653 if(Point3dDebut.Distance(verPointDebut.Value()) < TolTangency)
2654 {
2655 RejectLine = Standard_True;
2656 }
2657 else
2658 {
2659 if(Point3dFin.Distance(verPointFin.Value()) < TolTangency)
2660 {
2661 RejectLine = Standard_True;
a7dd5d0f 2662 }
00302ba4 2663 }
2664 }
a7dd5d0f 2665
00302ba4 2666 if(!RejectLine)
2667 {
2668 IntSurf_TypeTrans trans1,trans2;
2669 Standard_Real locu,locv;
2670 gp_Vec norm1,norm2,d1u,d1v;
2671 gp_Pnt ptbid;
2672 Standard_Integer indextg;
2673 gp_Vec tgline(PW.TangentAtLine(indextg));
2674 PW.Line()->Value(indextg).ParametersOnS1(locu,locv);
2675 Surf1->D1(locu,locv,ptbid,d1u,d1v);
2676 norm1 = d1u.Crossed(d1v);
2677 PW.Line()->Value(indextg).ParametersOnS2(locu,locv);
2678 Surf2->D1(locu,locv,ptbid,d1u,d1v);
2679 norm2 = d1u.Crossed(d1v);
2680 if (tgline.DotCross(norm2,norm1)>0.)
2681 {
2682 trans1 = IntSurf_Out;
2683 trans2 = IntSurf_In;
2684 }
2685 else
2686 {
2687 trans1 = IntSurf_In;
2688 trans2 = IntSurf_Out;
2689 }
2690
2691 Standard_Real TolTang = TolTangency;
2692 Handle(IntPatch_WLine) wline = new IntPatch_WLine(PW.Line(),Standard_False,trans1,trans2);
2693 IntPatch_RstInt::PutVertexOnLine(wline,Surf1,D1,Surf2,Standard_True,TolTang);
2694 IntPatch_RstInt::PutVertexOnLine(wline,Surf2,D2,Surf1,Standard_False,TolTang);
2695
2696 //---------------
2697 if(wline->NbVertex() == 0)
2698 {
2699 IntPatch_Point vtx;
2700 IntSurf_PntOn2S POn2S = PW.Line()->Value(1);
2701 POn2S.Parameters(pu1,pv1,pu2,pv2);
2702 vtx.SetValue(Point3dDebut,TolTang,Standard_False);
2703 vtx.SetParameters(pu1,pv1,pu2,pv2);
2704 vtx.SetParameter(1);
2705 wline->AddVertex(vtx);
2706
2707 POn2S = PW.Line()->Value(wline->NbPnts());
2708 POn2S.Parameters(pu1,pv1,pu2,pv2);
2709 vtx.SetValue(Point3dFin,TolTang,Standard_False);
2710 vtx.SetParameters(pu1,pv1,pu2,pv2);
2711 vtx.SetParameter(wline->NbPnts());
2712 wline->AddVertex(vtx);
2713 }
2714
2715 //---------------
2716 AddWLine(SLin, wline, Deflection);
2717 empt = Standard_False;
2718 }
2719 else
2720 {
2721 //-- cout<<" ----- REJET DE LIGNE (POINT DE DEPART) ----- "<<endl;
2722 }
2723 //------------------------------------------------------------
2724 }
2725 } //-- le cheminement a reussi (done a True)
2726 } //-- le point approche ne renvoie pas sur une ligne existante
2727 } //-- Si HasStartPoint
c66d7156
P
2728 //} //-- Boucle Sur les Points de la Tangent Zone
2729 } //-- Boucle sur Les Tangent Zones
7fd59977 2730
00302ba4 2731 if ( pInterference )
2732 {
c66d7156
P
2733 delete pInterference;
2734 pInterference = NULL;
2735 }
00302ba4 2736
c66d7156
P
2737 return;
2738 }// if((NbU1*NbV1<=Limit && NbV2*NbU2<=Limit)) {
2739
2740 Handle(IntSurf_LineOn2S) LOn2S = new IntSurf_LineOn2S();
2741 PointDepart( LOn2S, Surf1, NbU1, NbV1, Surf2, NbU2, NbV2 );
7fd59977 2742 empt = Standard_True;
2743 done = Standard_True;
2744 SLin.Clear();
00302ba4 2745
c66d7156
P
2746 Standard_Integer NbLigCalculee = 0;
2747 Standard_Real U1,U2,V1,V2;
7fd59977 2748 Standard_Real pu1,pu2,pv1,pv2;
00302ba4 2749
7fd59977 2750 TColStd_Array1OfReal StartParams(1,4);
c66d7156
P
2751 Standard_Integer MaxOscill = NbU1;
2752 if(MaxOscill < NbU2) MaxOscill=NbU2;
2753 if(MaxOscill < NbV1) MaxOscill=NbV1;
2754 if(MaxOscill < NbV2) MaxOscill=NbV2;
00302ba4 2755
c66d7156
P
2756 Standard_Real nIncrement=Increment;
2757 //if(MaxOscill>10)
00302ba4 2758 //nIncrement/=0.5*MaxOscill;
c66d7156 2759
47cbf134 2760 IntWalk_PWalking PW(Surf1,Surf2,TolTangency,Epsilon,Deflection,nIncrement);
c66d7156
P
2761 Standard_Real SeuildPointLigne = 15.0 * Increment * Increment; //-- 10 est insuffisant
2762 Standard_Real dminiPointLigne;
2763 Standard_Boolean HasStartPoint,RejetLigne;
7fd59977 2764 IntSurf_PntOn2S StartPOn2S;
c66d7156 2765 Standard_Integer ver;
7fd59977 2766 gp_Pnt Point3dDebut,Point3dFin;
c66d7156 2767
7fd59977 2768 //------------------------------------------------------------
c66d7156
P
2769 //-- Calcul des parametres approches a partir des Zones De Tangence --
2770 //--------------------------------------------------------------------
2771 Standard_Integer nbTanZon = LOn2S->NbPoints();
2772 for(Standard_Integer z=1; z <= nbTanZon; z++) {
2773 const IntSurf_PntOn2S& POn2S = LOn2S->Value(z);
2774 POn2S.Parameters(U1,V1,U2,V2);
2775 StartParams(1) = U1;
2776 StartParams(2) = V1;
2777 StartParams(3) = U2;
2778 StartParams(4) = V2;
00302ba4 2779
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P
2780 //-----------------------------------------------------------------------
2781 //-- Calcul du premier point de cheminement a partir du point approche --
2782 //-----------------------------------------------------------------------
2783 HasStartPoint = PW.PerformFirstPoint(StartParams,StartPOn2S);
00302ba4 2784 if(HasStartPoint)
2785 {
c66d7156
P
2786 //-------------------------------------------------
2787 //-- Un point a ete trouve --
2788 //-- On verifie qu il n appartient pas --
2789 //-- a une ligne de cheminement deja calculee. --
2790 //-------------------------------------------------
2791 StartPOn2S.Parameters(pu1,pv1,pu2,pv2);
00302ba4 2792
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P
2793 NbLigCalculee = SLin.Length();
2794 dminiPointLigne = SeuildPointLigne + SeuildPointLigne;
00302ba4 2795
c66d7156 2796 for(Standard_Integer l=1;
00302ba4 2797 (l <= NbLigCalculee) && (dminiPointLigne >= SeuildPointLigne);
2798 l++)
2799 {
a7dd5d0f 2800 const Handle(IntPatch_WLine)& testwline = *((Handle(IntPatch_WLine)*)&SLin.Value(l));
2801
00302ba4 2802 if (IsPointOnLine(StartPOn2S, testwline, Deflection))
2803 {
a7dd5d0f 2804 dminiPointLigne = 0.0;
2805 }
7fd59977 2806 }
a7dd5d0f 2807
c66d7156 2808 //-- Fin d exploration des lignes
00302ba4 2809 if(dminiPointLigne > SeuildPointLigne)
2810 {
2811 //---------------------------------------------------
2812 //-- Le point de depart du nouveau cheminement --
2813 //-- n est present dans aucune ligne deja calculee.--
2814 //---------------------------------------------------
2815 PW.Perform(StartParams);
2816 if(PW.IsDone())
2817 {
2818 if(PW.NbPoints()>2)
2819 {
2820 //-----------------------------------------------
2821 //-- Verification a posteriori :
2822 //-- On teste si le point de depart et de fin de
2823 //-- la ligne de cheminement est present dans une
2824 //-- autre ligne .
2825 //-----------------------------------------------
2826 RejetLigne = Standard_False;
2827 Point3dDebut = PW.Value(1).Value();
a7dd5d0f 2828 const IntSurf_PntOn2S& PointFin = PW.Value(PW.NbPoints());
2829 Point3dFin = PointFin.Value();
00302ba4 2830
2831 for(ver=1 ; (!RejetLigne) && (ver<= NbLigCalculee) ; ver++)
2832 {
2833 const Handle(IntPatch_WLine)& verwline = *((Handle(IntPatch_WLine)*)&SLin.Value(ver));
2834 //-- Handle(IntPatch_WLine) verwline=Handle(IntPatch_WLine)::DownCast(SLin.Value(ver));
a7dd5d0f 2835
2836 // Check end point if it is on existing line.
2837 // Start point is checked before.
00302ba4 2838 if (IsPointOnLine(PointFin, verwline, Deflection))
2839 {
a7dd5d0f 2840 RejetLigne = Standard_True;
2841 break;
2842 }
2843
00302ba4 2844 const IntSurf_PntOn2S& verPointDebut = verwline->Point(1);
2845 const IntSurf_PntOn2S& verPointFin = verwline->Point(verwline->NbPnts());
2846 if(Point3dDebut.Distance(verPointDebut.Value()) < TolTangency)
2847 {
2848 RejetLigne = Standard_True;
2849 }
2850 else
2851 {
2852 if(Point3dFin.Distance(verPointFin.Value()) < TolTangency)
2853 {
2854 RejetLigne = Standard_True;
2855 }
2856 }
2857 }
2858
2859 if(!RejetLigne)
2860 {
2861 IntSurf_TypeTrans trans1,trans2;
2862 Standard_Real locu,locv;
2863 gp_Vec norm1,norm2,d1u,d1v;
2864 gp_Pnt ptbid;
2865 Standard_Integer indextg;
2866 gp_Vec tgline(PW.TangentAtLine(indextg));
2867 PW.Line()->Value(indextg).ParametersOnS1(locu,locv);
2868 Surf1->D1(locu,locv,ptbid,d1u,d1v);
2869 norm1 = d1u.Crossed(d1v);
2870 PW.Line()->Value(indextg).ParametersOnS2(locu,locv);
2871 Surf2->D1(locu,locv,ptbid,d1u,d1v);
2872 norm2 = d1u.Crossed(d1v);
2873 if (tgline.DotCross(norm2,norm1)>0.)
2874 {
2875 trans1 = IntSurf_Out;
2876 trans2 = IntSurf_In;
2877 }
2878 else {
2879 trans1 = IntSurf_In;
2880 trans2 = IntSurf_Out;
2881 }
2882
2883 Standard_Real TolTang = TolTangency;
2884 Handle(IntPatch_WLine) wline = new IntPatch_WLine(PW.Line(),Standard_False,trans1,trans2);
2885 IntPatch_RstInt::PutVertexOnLine(wline,Surf1,D1,Surf2,Standard_True,TolTang);
2886 IntPatch_RstInt::PutVertexOnLine(wline,Surf2,D2,Surf1,Standard_False,TolTang);
2887
2888 //---------------
2889 if(wline->NbVertex() == 0)
2890 {
2891 IntPatch_Point vtx;
2892 const IntSurf_PntOn2S& POn2Sf = PW.Line()->Value(1);
2893 POn2Sf.Parameters(pu1,pv1,pu2,pv2);
2894 vtx.SetValue(Point3dDebut,TolTang,Standard_False);
2895 vtx.SetParameters(pu1,pv1,pu2,pv2);
2896 vtx.SetParameter(1);
2897 wline->AddVertex(vtx);
2898
2899 const IntSurf_PntOn2S& POn2Sl = PW.Line()->Value(wline->NbPnts());
2900 POn2Sl.Parameters(pu1,pv1,pu2,pv2);
2901 vtx.SetValue(Point3dFin,TolTang,Standard_False);
2902 vtx.SetParameters(pu1,pv1,pu2,pv2);
2903 vtx.SetParameter(wline->NbPnts());
2904 wline->AddVertex(vtx);
2905 }
2906
2907 //---------------
a7dd5d0f 2908 AddWLine(SLin, wline, Deflection);
00302ba4 2909 empt = Standard_False;
2910 }
2911 else
2912 {
2913 //-- cout<<" ----- REJET DE LIGNE (POINT DE DEPART) ----- "<<endl;
2914 }
2915 //------------------------------------------------------------
2916 }
2917 } //-- le cheminement a reussi (done a True)
c66d7156
P
2918 } //-- le point approche ne renvoie pas sur une ligne existante
2919 } //-- Si HasStartPoint
2920 } //-- Boucle sur Les Tangent Zones
7fd59977 2921}
c66d7156
P
2922//modified by NIZNHY-PKV Wed May 25 09:39:07 2011f
2923//=======================================================================
2924//class : IntPatch_InfoPD
2925//purpose :
2926//=======================================================================
2927class IntPatch_InfoPD {
00302ba4 2928public:
c66d7156
P
2929 //----------------------------------------C-tor
2930 IntPatch_InfoPD(const Standard_Integer aNBI) {
2931 Standard_Integer aNBI2, i, j;
2932 myNBI=aNBI;
2933 //
2934 aNBI2=aNBI*aNBI;
2935 myP1DS2=new char[aNBI2];
2936 myP2DS1=new char[aNBI2];
2937 myIP1=new Standard_Integer[aNBI2];
2938 myIP2=new Standard_Integer[aNBI2];
2939 myP1=new gp_Pnt[aNBI2];
2940 myP2=new gp_Pnt[aNBI2];
2941 //
2942 for (i=0; i<myNBI; ++i) {
2943 for (j=0; j<myNBI; ++j) {
00302ba4 2944 xP1DS2(i, j)=0;
2945 xP2DS1(i, j)=0;
2946 xIP1(i, j)=0;
2947 xIP2(i, j)=0;
2948 xP1(i, j).SetCoord(0., 0., 0.);
2949 xP2(i, j).SetCoord(0., 0., 0.);
c66d7156
P
2950 }
2951 }
2952 };
2953 //---------------------------------------- D-tor
2954 ~IntPatch_InfoPD() {
2955 delete [] (char*) myP1DS2;
2956 delete [] (char*) myP2DS1;
2957 delete [] (Standard_Integer*) myIP1;
2958 delete [] (Standard_Integer*) myIP2;
2959 delete [] (gp_Pnt*)myP1;
2960 delete [] (gp_Pnt*)myP2;
2961 };
2962 //---------------------------------------- Index
2963 Standard_Integer Index(const Standard_Integer i,
00302ba4 2964 const Standard_Integer j) const {
2965 return i*myNBI+j;
c66d7156
P
2966 };
2967 //---------------------------------------- NBI
2968 Standard_Integer NBI() const {
2969 return myNBI;
2970 };
2971 //----------------------------------------xP1DS2
2972 char& xP1DS2(const Standard_Integer i,
00302ba4 2973 const Standard_Integer j) {
2974 return myP1DS2[Index(i,j)];
c66d7156
P
2975 };
2976 //----------------------------------------xP2DS1
2977 char& xP2DS1(const Standard_Integer i,
00302ba4 2978 const Standard_Integer j) {
2979 return myP2DS1[Index(i,j)];
c66d7156
P
2980 };
2981 //----------------------------------------xIP1
2982 Standard_Integer& xIP1(const Standard_Integer i,
00302ba4 2983 const Standard_Integer j) {
2984 return myIP1[Index(i,j)];
c66d7156
P
2985 };
2986 //----------------------------------------xIP2
2987 Standard_Integer& xIP2(const Standard_Integer i,
00302ba4 2988 const Standard_Integer j) {
2989 return myIP2[Index(i,j)];
c66d7156
P
2990 };
2991 //----------------------------------------xP1
2992 gp_Pnt& xP1(const Standard_Integer i,
00302ba4 2993 const Standard_Integer j) {
2994 return myP1[Index(i,j)];
c66d7156
P
2995 };
2996 //----------------------------------------xP1
2997 gp_Pnt& xP2(const Standard_Integer i,
00302ba4 2998 const Standard_Integer j) {
2999 return myP2[Index(i,j)];
c66d7156 3000 };
6a38ff48 3001
3002private:
3003
3004 IntPatch_InfoPD (const IntPatch_InfoPD&);
3005 IntPatch_InfoPD& operator=(const IntPatch_InfoPD&);
3006
3007private:
3008
c66d7156
P
3009 Standard_Integer myNBI;
3010 char *myP1DS2;
3011 char *myP2DS1;
3012 Standard_Integer *myIP1;
3013 Standard_Integer *myIP2;
3014 gp_Pnt *myP1;
3015 gp_Pnt *myP2;
3016};
3017//modified by NIZNHY-PKV Tue May 24 11:38:55 2011t
7fd59977 3018//==================================================================================
c66d7156 3019// function : PointDepart
7fd59977 3020// purpose :
3021//==================================================================================
c66d7156 3022void IntPatch_PrmPrmIntersection::PointDepart(Handle(IntSurf_LineOn2S)& LineOn2S,
00302ba4 3023 const Handle(Adaptor3d_HSurface)& S1,
3024 const Standard_Integer SU_1,
3025 const Standard_Integer SV_1,
3026 const Handle(Adaptor3d_HSurface)& S2,
3027 const Standard_Integer SU_2,
3028 const Standard_Integer SV_2) const
c66d7156
P
3029{
3030 Standard_Integer i, j, xNBI;
3031 //modified by NIZNHY-PKV Tue May 24 11:37:38 2011f
3032 xNBI=200;
3033 IntPatch_InfoPD aIPD(xNBI);
3034 //modified by NIZNHY-PKV Wed May 25 06:47:12 2011t
3035 Standard_Integer iC15, SU1, SV1, SU2, SV2;
3036 Standard_Real U0, U1, V0, V1, U, V;
96a95605 3037 Standard_Real resu0,resv0;
c66d7156
P
3038 Standard_Real du1,du2,dv1,dv2, dmaxOn1, dmaxOn2;
3039 Standard_Real x0,y0,z0, x1,y1,z1,d;
3040 Bnd_Box Box1, Box2;
7fd59977 3041 //
c66d7156
P
3042 iC15=15;
3043 SU1 =iC15*SU_1 ;
3044 SV1 =iC15*SV_1 ;
3045 SU2 =iC15*SU_2 ;
3046 SV2 =iC15*SV_2 ;
7fd59977 3047 //
c66d7156
P
3048 if(xNBI<SU1) {
3049 SU1 = xNBI;
3050 }
3051 if(xNBI<SV1){
3052 SV1 = xNBI;
3053 }
3054 if(xNBI<SU2){
3055 SU2 = xNBI;
3056 }
3057 if(xNBI<SV2){
3058 SV2 = xNBI;
3059 }
3060 //
3061 U0 = S1->FirstUParameter();
3062 U1 = S1->LastUParameter();
3063 V0 = S1->FirstVParameter();
3064 V1 = S1->LastVParameter();
3065 //
3066 resu0=U0;
c66d7156
P
3067 resv0=V0;
3068 //
3069 dmaxOn1 = 0.0;
3070 dmaxOn2 = 0.0;
3071 //-----
3072 du1 = (U1-U0)/(SU1-1);
3073 dv1 = (V1-V0)/(SV1-1);
3074 for(U=U0,i=0; i<SU1; i++,U+=du1) {
3075 for(V=V0,j=0; j<SV1; V+=dv1,j++) {
3076 aIPD.xP1(i, j)= S1->Value(U,V);
3077 Box1.Add(aIPD.xP1(i, j));
3078 if(i>0 && j>0) {
00302ba4 3079 aIPD.xP1(i, j) .Coord(x0,y0,z0);
3080 aIPD.xP1(i-1, j-1).Coord(x1,y1,z1);
3081 //
3082 d=Abs(x1-x0)+Abs(y1-y0)+Abs(z1-z0);
3083 if(d>dmaxOn1) {
3084 dmaxOn1 = d;
3085 }
c66d7156
P
3086 }
3087 }
3088 }
3089 Box1.Enlarge(1.e-8);
3090 //
3091 U0 = S2->FirstUParameter();
3092 U1 = S2->LastUParameter();
3093 V0 = S2->FirstVParameter();
3094 V1 = S2->LastVParameter();
3095 //
3096 du2 = (U1-U0)/(SU2-1);
3097 dv2 = (V1-V0)/(SV2-1);
3098 for(U=U0,i=0; i<SU2; i++,U+=du2) {
3099 for(V=V0,j=0; j<SV2; V+=dv2,j++) {
3100 aIPD.xP2(i, j) = S2->Value(U,V);
3101 Box2.Add(aIPD.xP2(i, j));
3102 if(i>0 && j>0) {
00302ba4 3103 aIPD.xP2(i, j) .Coord(x0,y0,z0);
3104 aIPD.xP2(i-1, j-1).Coord(x1,y1,z1);
3105 d = Abs(x1-x0)+Abs(y1-y0)+Abs(z1-z0);
3106 if(d>dmaxOn2) {
3107 dmaxOn2 = d;
3108 }
c66d7156
P
3109 }
3110 }
3111 }
3112 Box2.Enlarge(1.e-8);
3113 //--------
3114 //
3115 if(Box1.IsOut(Box2)) {
00302ba4 3116
c66d7156
P
3117 return;
3118 }
3119 //
3120 Standard_Integer aNbPG;
3121 Standard_Real x10,y10,z10,x11,y11,z11;
3122 Standard_Real x20,y20,z20,x21,y21,z21;
3123 Standard_Real dx, dy, dz, dmax;
3124 Standard_Real dx2, dy2, dz2;
3125 //
3126 Box1.Get(x10,y10,z10,x11,y11,z11);
3127 Box2.Get(x20,y20,z20,x21,y21,z21);
3128 //
3129 x0 = (x10>x20)? x10 : x20;
3130 y0 = (y10>y20)? y10 : y20;
3131 z0 = (z10>z20)? z10 : z20;
3132 //
3133 x1 = (x11<x21)? x11 : x21;
3134 y1 = (y11<y21)? y11 : y21;
3135 z1 = (z11<z21)? z11 : z21;
3136 //
3137 if(dmaxOn2 > dmaxOn1) {
3138 dmaxOn1 = dmaxOn2;
7fd59977 3139 }
3140 //
c66d7156
P
3141 dmaxOn1+=dmaxOn1;
3142 x0-=dmaxOn1;
3143 y0-=dmaxOn1;
3144 z0-=dmaxOn1;
3145 x1+=dmaxOn1;
3146 y1+=dmaxOn1;
3147 z1+=dmaxOn1;
3148 //
3149 x10-=dmaxOn1; y10-=dmaxOn1; z10-=dmaxOn1;
3150 x11+=dmaxOn1; y11+=dmaxOn1; z11+=dmaxOn1;
3151
3152 x20-=dmaxOn1; y20-=dmaxOn1; z20-=dmaxOn1;
3153 x21+=dmaxOn1; y21+=dmaxOn1; z21+=dmaxOn1;
3154
3155 aNbPG=NbPointsGrille();
3156 dx = (x1-x0)/aNbPG;
3157 dy = (y1-y0)/aNbPG;
3158 dz = (z1-z0)/aNbPG;
7fd59977 3159 //
c66d7156
P
3160 dmax = dx;
3161 if(dy>dmax) {
3162 dmax = dy;
7fd59977 3163 }
c66d7156
P
3164 if(dz>dmax){
3165 dmax = dz;
7fd59977 3166 }
c66d7156
P
3167 //
3168 if(dx<dmax*0.01) {
3169 dx = dmax*0.01;
7fd59977 3170 }
c66d7156
P
3171 if(dy<dmax*0.01) {
3172 dy = dmax*0.01;
3173 }
3174 if(dz<dmax*0.01) {
3175 dz = dmax*0.01;
7fd59977 3176 }
3177 //
c66d7156
P
3178 dx2 = dx*0.5;
3179 dy2 = dy*0.5;
3180 dz2 = dz*0.5 ;
3181 //
3182 IntPatch_PrmPrmIntersection_T3Bits M1(_BASE);
3183 IntPatch_PrmPrmIntersection_T3Bits M2(_BASE);
3184 //
3185 for(i=0;i<SU1;i++) {
3186 for(j=0;j<SV1;j++) {
3187 aIPD.xIP1(i, j)=-1;
3188 const gp_Pnt& P=aIPD.xP1(i, j);
8263fcd3 3189 aIPD.xP1DS2(i, j) = (char)CodeReject(x20,y20,z20,x21,y21,z21,P.X(),P.Y(),P.Z());
c66d7156
P
3190 int ix = (int)((P.X()-x0 + dx2 )/dx);
3191 if(DansGrille(ix)) {
00302ba4 3192 int iy = (int)((P.Y()-y0 + dy2)/dy);
3193 if(DansGrille(iy)) {
3194 int iz = (int)((P.Z()-z0 + dz2)/dz);
3195 if(DansGrille(iz)) {
3196 aIPD.xIP1(i, j) = GrilleInteger(ix,iy,iz);
3197 }
3198 }
c66d7156
P
3199 }
3200 }
3201 }
3202 //-- cout<<" Grille du 1 fini "<<endl;
3203 for(i=0;i<SU2;i++) {
3204 for(j=0;j<SV2;j++) {
3205 aIPD.xIP2(i, j)=-1;
3206 const gp_Pnt& P=aIPD.xP2(i, j);
8263fcd3 3207 aIPD.xP2DS1(i, j) = (char)CodeReject(x10,y10,z10,x11,y11,z11,P.X(),P.Y(),P.Z());
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3208 int ix = (int)((P.X()-x0 + dx2)/dx);
3209 if(DansGrille(ix)) {
00302ba4 3210 int iy = (int)((P.Y()-y0 + dy2)/dy);
3211 if(DansGrille(iy)) {
3212 int iz = (int)((P.Z()-z0 + dz2)/dz);
3213 if(DansGrille(iz)) {
3214 aIPD.xIP2(i, j) = GrilleInteger(ix,iy,iz);
3215 }
3216 }
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3217 }
3218 }
7fd59977 3219 }
3220 //
c66d7156
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3221 for(i=0;i<SU1-1;i+=1) {
3222 for(j=0;j<SV1-1;j+=1) {
3223 if(!((aIPD.xP1DS2(i, j) & aIPD.xP1DS2(i+1, j)) ||
00302ba4 3224 (aIPD.xP1DS2(i, j) & aIPD.xP1DS2(i+1, j+1)))){
3225 Remplit(aIPD.xIP1(i, j),
3226 aIPD.xIP1(i+1, j),
3227 aIPD.xIP1(i+1, j+1),
3228 M1);
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3229 }
3230 if(!((aIPD.xP1DS2(i, j) & aIPD.xP1DS2(i, j+1)) ||
00302ba4 3231 (aIPD.xP1DS2(i, j) & aIPD.xP1DS2(i+1, j+1)))) {
3232 Remplit(aIPD.xIP1(i, j),
3233 aIPD.xIP1(i, j+1),
3234 aIPD.xIP1(i+1, j+1),
3235 M1);
c66d7156 3236 }
7fd59977 3237 }
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3238 }
3239 //
3240 for(i=0;i<SU2-1;i+=1) {
3241 for(j=0;j<SV2-1;j+=1) {
3242 if(!((aIPD.xP2DS1(i, j) & aIPD.xP2DS1(i+1, j)) ||
00302ba4 3243 (aIPD.xP2DS1(i, j) & aIPD.xP2DS1(i+1, j+1)))){
3244 Remplit(aIPD.xIP2(i, j),
3245 aIPD.xIP2(i+1, j),
3246 aIPD.xIP2(i+1, j+1),
3247 M2);
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3248 }
3249 if(!((aIPD.xP2DS1(i, j) & aIPD.xP2DS1(i, j+1)) ||
00302ba4 3250 (aIPD.xP2DS1(i, j) & aIPD.xP2DS1(i+1, j+1)))){
3251 Remplit(aIPD.xIP2(i, j),
3252 aIPD.xIP2(i, j+1),
3253 aIPD.xIP2(i+1, j+1),
3254 M2);
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3255 }
3256 }
3257 }
3258 //
3259 M1.ResetAnd();
3260 M2.ResetAnd();
3261 //
3262 int newind=0;
3263 long unsigned Compt=0;
3264 int ok=0;
3265 int indicepointtraite = 0;
3266 Standard_Integer k,nu,nv;
3267 //
3268 do {
3269 indicepointtraite--;
3270 ok = M1.And(M2,newind);
3271 if(ok) {
3272 IntegerGrille(newind,i,j,k);
3273 int nb=0;
3274 int LIM=3;
3275 if( DansGrille(i-1) && DansGrille(j-1) && DansGrille(k-1)
00302ba4 3276 && DansGrille(i+1) && DansGrille(j+1) && DansGrille(k+1)) {
3277 int si,sj,sk;
3278 for(si=-1; si<= 1 && nb<LIM; si++) {
3279 for(sj=-1; sj<= 1 && nb<LIM; sj++) {
3280 for(sk=-1; sk<= 1 && nb<LIM; sk++) {
3281 long unsigned lu=GrilleInteger(i+si,j+sj,k+sk);
3282 if(M1.Val(lu) && M2.Val(lu)) {
3283 nb++;
3284 }
3285 }
3286 }
3287 }
3288 if(nb>=LIM) {
3289 for(si=-1; si<= 1; si++) {
3290 for(sj=-1; sj<= 1; sj++) {
3291 for(sk=-1; sk<= 1; sk++) {
3292 if(si || sj || sk) {
3293 long unsigned lu=GrilleInteger(i+si,j+sj,k+sk);
3294 M1.Raz(lu);
3295 }
3296 }
3297 }
3298 }
3299 }
7fd59977 3300 }
3301 //
c66d7156 3302 gp_Pnt P(dx*i + x0, dy*j + y0, dz*k+z0);
7fd59977 3303 //
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3304 Standard_Integer nu1=-1,nu2=-1;
3305 Standard_Integer nv1=0, nv2=0;
3306 int nbsur1 = 0;
3307 for(nu=0;nu1<0 && nu<SU1;nu++) {
00302ba4 3308 for(nv=0;nu1<0 && nv<SV1;nv++) {
3309 if( aIPD.xIP1(nu, nv) ==(Standard_Integer) newind ) {
3310 nbsur1++;
3311 aIPD.xIP1(nu, nv)=indicepointtraite;
3312 nu1=nu; nv1=nv;
3313 }
3314 }
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3315 }
3316 if(nu1>=0) {
00302ba4 3317 int nbsur2 = 0;
3318 for(nu=0;nu2<0 && nu<SU2;nu++) {
3319 for(nv=0;nu2<0 && nv<SV2;nv++) {
3320 if( aIPD.xIP2(nu, nv)==(Standard_Integer) newind ) {
3321 nbsur2++;
3322 aIPD.xIP2(nu, nv)=indicepointtraite;
3323 nu2=nu; nv2=nv;
3324 }
3325 }
3326 }
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3327 }
3328 if(nu1>=0 && nu2>=0) {
00302ba4 3329 IntSurf_PntOn2S POn2S;
3330 POn2S.SetValue(P,
3331 S1->FirstUParameter()+nu1*du1,
3332 S1->FirstVParameter()+nv1*dv1,
3333 S2->FirstUParameter()+nu2*du2,
3334 S2->FirstVParameter()+nv2*dv2);
3335 LineOn2S->Add(POn2S);
3336 Compt++;
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3337 }
3338 else {
00302ba4 3339 //-- aucun point du triangle n a ete trouve assez proche
3340 //-- on recherche les 3 points les plus proches de P
3341 //-- dans chacun des tableaux
3342 Standard_Real Dist3[3],u3[3] = { 0.0, 0.0, 0.0 },v3[3] = { 0.0, 0.0, 0.0 };
3343 Dist3[0]=Dist3[1]=Dist3[2]=RealLast();
3344 for(U=resu0,i=0; i<SU1; i++,U+=du1) {
3345 for(V=resv0,j=0; j<SV1; V+=dv1,j++) {
3346 //-- On place les 3 meilleures valeurs dans Dist1,Dist2,Dist3
3347 Standard_Real t = aIPD.xP1(i, j).SquareDistance(P);
3348 //-- On remplace la plus grande valeur ds Dist[.] par la val courante
3349 if(Dist3[0]<Dist3[1]) {
3350 Standard_Real z;
3351 z=Dist3[0]; Dist3[0]=Dist3[1]; Dist3[1]=z;
3352 z=u3[0]; u3[0]=u3[1]; u3[1]=z;
3353 z=v3[0]; v3[0]=v3[1]; v3[1]=z;
3354 }
3355 if(Dist3[1]<Dist3[2]) {
3356 Standard_Real z;