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OCC22318 Regression (since OCCT 6.3.1): bad shading of small cylinder (forum thread...
[occt.git] / src / BRepExtrema / BRepExtrema_DistShapeShape.cxx
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7fd59977 1// File: BRepExtrema_DistShapeShape.cxx
2// Created: Mon Apr 22 17:03:37 1996
3// Modified : Mps(10-04-97) portage WNT
4// Author: Maria PUMBORIOS
5// Author: Herve LOUESSARD
6// <mps@sgi64>
7
8#include <BRepExtrema_DistShapeShape.ixx>
9#include <Standard_OStream.hxx>
10#include <TopTools_IndexedMapOfShape.hxx>
11#include <BRepBndLib.hxx>
12#include <Bnd_Box.hxx>
13#include <TopExp.hxx>
14#include <TCollection.hxx>
15#include <Standard_Real.hxx>
16#include <BRepExtrema_DistanceSS.hxx>
17#include <TopoDS.hxx>
18#include <TopAbs.hxx>
19#include <TopoDS_Vertex.hxx>
20#include <TopoDS_Edge.hxx>
21#include <TopoDS_Face.hxx>
22#include <TopAbs_ShapeEnum.hxx>
23#include <Precision.hxx>
24#include <BRepExtrema_SeqOfSolution.hxx>
25#include <BRepExtrema_SolutionElem.hxx>
26#include <Bnd_SeqOfBox.hxx>
27#include <BRepExtrema_UnCompatibleShape.hxx>
28#include <BRep_Tool.hxx>
29#include <BRepClass3d_SolidClassifier.hxx>
30
31static void Decomposition(const TopoDS_Shape& S,
32 TopTools_IndexedMapOfShape& MapV,
33 TopTools_IndexedMapOfShape& MapE,
34 TopTools_IndexedMapOfShape& MapF)
35{
36 MapV.Clear();
37 MapE.Clear();
38 MapF.Clear();
39 TopExp::MapShapes(S,TopAbs_VERTEX,MapV);
40 TopExp::MapShapes(S,TopAbs_EDGE,MapE);
41 TopExp::MapShapes(S,TopAbs_FACE,MapF);
42}
43
44static void BoxCalculation(const TopTools_IndexedMapOfShape& Map,
45 Bnd_SeqOfBox& SBox)
46{
47 Standard_Integer i = 0;
48 for(i = 1; i <= Map.Extent(); i++) {
49 Bnd_Box box;
50 BRepBndLib::Add( Map(i), box);
51 SBox.Append(box);
52 }
53}
54
55static Standard_Real DistanceInitiale(const TopoDS_Vertex V1,
56 const TopoDS_Vertex V2)
57{
58 gp_Pnt P1,P2;
59 P1= BRep_Tool::Pnt(V1);
60 P2= BRep_Tool::Pnt(V2);
61 return(P1.Distance(P2));
62}
63
64//=======================================================================
65//function : DistanceMapMap
66//purpose :
67//=======================================================================
68
69void BRepExtrema_DistShapeShape::DistanceMapMap(const TopTools_IndexedMapOfShape& Map1,
70 const TopTools_IndexedMapOfShape& Map2,
71 const Bnd_SeqOfBox& LBox1,
72 const Bnd_SeqOfBox& LBox2)
73{
74 Standard_Integer i = 0, j = 0;
75 Bnd_Box box1, box2;
76 TopoDS_Shape S1, S2;
77 BRepExtrema_SeqOfSolution seq1, seq2;
78
79 Standard_Integer n1 = Map1.Extent();
80 Standard_Integer n2 = Map2.Extent();
81 for(i = 1; i <= n1; i++) {
82 box1= LBox1.Value(i);
83 S1= TopoDS_Shape (Map1(i));
84 for(j = 1; j <= n2; j++) {
85 box2= LBox2.Value(j);
86 S2 = TopoDS_Shape (Map2(j));
87 BRepExtrema_DistanceSS dist(S1,S2,box1,box2,myDistRef,myEps);
88 if(dist.IsDone())
89 if(dist.DistValue() < (myDistRef-myEps)) {
90 ListeDeSolutionShape1.Clear();
91 ListeDeSolutionShape2.Clear();
92 seq1= dist.Seq1Value();
93 seq2= dist.Seq2Value();
94 ListeDeSolutionShape1.Append(seq1);
95 ListeDeSolutionShape2.Append(seq2);
96 myDistRef=dist.DistValue();
97 }
98 else if(fabs (dist.DistValue()-myDistRef)< myEps ) {
99 seq1= dist.Seq1Value();
100 seq2= dist.Seq2Value();
101 ListeDeSolutionShape1.Append(seq1);
102 ListeDeSolutionShape2.Append(seq2);
103 // Modified by Sergey KHROMOV - Tue Mar 6 12:15:39 2001 Begin
104 if (myDistRef > dist.DistValue())
105 myDistRef=dist.DistValue();
106 // Modified by Sergey KHROMOV - Tue Mar 6 12:15:37 2001 End
107 }
108 }
109 }
110}
111
112//=======================================================================
113//function : BRepExtrema_DistShapeShape
114//purpose :
115//=======================================================================
116
117BRepExtrema_DistShapeShape::BRepExtrema_DistShapeShape()
118{
119 myEps = Precision::Confusion();
120}
121
122//=======================================================================
123//function : BRepExtrema_DistShapeShape
124//purpose :
125//=======================================================================
126BRepExtrema_DistShapeShape::BRepExtrema_DistShapeShape(const TopoDS_Shape& Shape1,
127 const TopoDS_Shape& Shape2)
128{
129 myEps = Precision::Confusion();
130 LoadS1(Shape1);
131 LoadS2(Shape2);
132 Perform();
133}
134
135//=======================================================================
136//function : BRepExtrema_DistShapeShape
137//purpose :
138//=======================================================================
139
140BRepExtrema_DistShapeShape::BRepExtrema_DistShapeShape(const TopoDS_Shape& Shape1,
141 const TopoDS_Shape& Shape2,
142 const Standard_Real theDeflection)
143{
144 myEps = theDeflection;
145 LoadS1(Shape1);
146 LoadS2(Shape2);
147 Perform();
148}
149
150//=======================================================================
151//function : SetDeflection
152//purpose :
153//=======================================================================
154
155void BRepExtrema_DistShapeShape::SetDeflection(const Standard_Real theDeflection)
156{
157 myEps = theDeflection;
158}
159
160//=======================================================================
161//function : LoadS1
162//purpose :
163//=======================================================================
164
165void BRepExtrema_DistShapeShape::LoadS1(const TopoDS_Shape& Shape1)
166{
167 myShape1 = Shape1;
168 Decomposition(Shape1, myMapV1, myMapE1, myMapF1);
169}
170
171//=======================================================================
172//function : LoadS2
173//purpose :
174//=======================================================================
175
176void BRepExtrema_DistShapeShape::LoadS2(const TopoDS_Shape& Shape2)
177{
178 myShape2 = Shape2;
179 Decomposition(Shape2, myMapV2, myMapE2, myMapF2);
180}
181
182//=======================================================================
183//function : Perform
184//purpose :
185//=======================================================================
186
187Standard_Boolean BRepExtrema_DistShapeShape::Perform()
188{
189 myIsDone=Standard_False;
190 myInnerSol=Standard_False;
191 ListeDeSolutionShape1.Clear();
192 ListeDeSolutionShape2.Clear();
193
194 if( myShape1.IsNull() || myShape2.IsNull() )
195 return Standard_False;
196
197 Bnd_SeqOfBox BV1, BV2, BE1, BE2, BF1, BF2;
198 Standard_Real tol = 0.001;
199 gp_Pnt P;
200 Standard_Integer nbv1,nbv2;
201
202 // traitement des solides
203 TopAbs_ShapeEnum Type1 = myShape1.ShapeType();
204 TopAbs_ShapeEnum Type2 = myShape2.ShapeType();
205 if((Type1==TopAbs_SOLID) || (Type1 == TopAbs_COMPSOLID)) {
206 BRepClass3d_SolidClassifier Classi(myShape1);
207 nbv2=myMapV2.Extent();
208 nbv1=0;
1aeb969a
J		 209 while ( (nbv1<nbv2) && (! myInnerSol))
210 {
7fd59977 211 nbv1++;
212 TopoDS_Vertex V2 = TopoDS::Vertex(myMapV2(nbv1));
213 P=BRep_Tool::Pnt(V2);
214 Classi.Perform(P,tol);
215 if(Classi.State()==TopAbs_IN) {
216 myInnerSol = Standard_True;
217 myNbSolution = 1;
218 myDistRef = 0;
219 myIsDone = Standard_True;
220 BRepExtrema_SolutionElem Sol(0,P,BRepExtrema_IsVertex,V2);
221 ListeDeSolutionShape1.Append(Sol);
222 ListeDeSolutionShape2.Append(Sol);
223 }
1aeb969a 224 }
7fd59977 225 }
226
227 if(((Type2==TopAbs_SOLID)||(Type2==TopAbs_COMPSOLID))&&(!myInnerSol)) {
228 BRepClass3d_SolidClassifier Classi(myShape2);
229 nbv1= myMapV1.Extent();
230 nbv2=0;
1aeb969a
J		 231 while ((nbv2<nbv1) && (! myInnerSol))
232 {
7fd59977 233 nbv2++;
234 TopoDS_Vertex V1=TopoDS::Vertex(myMapV1(nbv2));
235 P=BRep_Tool::Pnt(V1);
236 Classi.Perform(P,tol);
237 if (Classi.State()==TopAbs_IN) {
238 myInnerSol = Standard_True;
239 myNbSolution = 1;
240 myDistRef = 0;
241 myIsDone = Standard_True;
242 BRepExtrema_SolutionElem Sol (0,P,BRepExtrema_IsVertex,V1);
243 ListeDeSolutionShape1.Append(Sol);
244 ListeDeSolutionShape2.Append(Sol);
245 }
1aeb969a 246 }
7fd59977 247 }
248
249 if (!myInnerSol) {
250 BoxCalculation( myMapV1,BV1);
251 BoxCalculation( myMapE1,BE1);
252 BoxCalculation( myMapF1,BF1);
253 BoxCalculation( myMapV2,BV2);
254 BoxCalculation( myMapE2,BE2);
255 BoxCalculation( myMapF2,BF2);
256
257 if (myMapV1.Extent()!=0 && myMapV2.Extent()!=0) {
258 TopoDS_Vertex V1 = TopoDS::Vertex(myMapV1(1));
259 TopoDS_Vertex V2 = TopoDS::Vertex(myMapV2(1));
260 myDistRef = DistanceInitiale(V1, V2);
261 }
262 else
263 myDistRef= 1.e30;
264
265 DistanceMapMap( myMapV1, myMapV2, BV1, BV2);
266 DistanceMapMap( myMapV1, myMapE2, BV1, BE2);
267 DistanceMapMap( myMapE1, myMapV2, BE1, BV2);
268 DistanceMapMap( myMapV1, myMapF2, BV1, BF2);
269 DistanceMapMap( myMapF1, myMapV2, BF1, BV2);
270 DistanceMapMap( myMapE1, myMapE2, BE1, BE2);
271 DistanceMapMap( myMapE1, myMapF2, BE1, BF2);
272 DistanceMapMap( myMapF1, myMapE2, BF1, BE2);
273
274 if( (fabs(myDistRef)) > myEps )
275 DistanceMapMap(myMapF1,myMapF2,BF1,BF2);
276
277 // Modified by Sergey KHROMOV - Tue Mar 6 11:55:03 2001 Begin
278 Standard_Integer i = 0;
279 for(i = 1; i <= ListeDeSolutionShape1.Length(); i++)
280 if (ListeDeSolutionShape1.Value(i).Dist() > myDistRef + myEps) {
281 ListeDeSolutionShape1.Remove(i);
282 ListeDeSolutionShape2.Remove(i);
283 }
284 // Modified by Sergey KHROMOV - Tue Mar 6 11:55:04 2001 End
285 myNbSolution = ListeDeSolutionShape1.Length();
286 if( myNbSolution > 0 )
287 myIsDone = Standard_True;
288 else
289 myIsDone = Standard_False;
290 }
291 return myIsDone;
292}
293
294//=======================================================================
295//function :
296//purpose :
297//=======================================================================
298
299Standard_Boolean BRepExtrema_DistShapeShape:: InnerSolution () const
300{
301 return (myInnerSol);
302}
303
304//=======================================================================
305//function : IsDone
306//purpose :
307//=======================================================================
308
309Standard_Boolean BRepExtrema_DistShapeShape::IsDone() const
310{
311 return (myIsDone);
312}
313
314//=======================================================================
315//function : NbSolution
316//purpose :
317//=======================================================================
318
319Standard_Integer BRepExtrema_DistShapeShape::NbSolution() const
320{
321 if (myIsDone == Standard_False) {
322 StdFail_NotDone::Raise
323 ("BRepExtrema_DistShapeShape::NbSolution: There's no solution ");
324 }
325 return (myNbSolution);
326}
327
328//=======================================================================
329//function : Value
330//purpose :
331//=======================================================================
332
333Standard_Real BRepExtrema_DistShapeShape::Value() const
334{
335 if (myIsDone == Standard_False) {
336 StdFail_NotDone::Raise
337 ("BRepExtrema_DistShapeShape::Value: There's no solution ");
338 }
339 return (myDistRef);
340}
341
342//=======================================================================
343//function : PointOnShape1
344//purpose :
345//=======================================================================
346
347gp_Pnt BRepExtrema_DistShapeShape::PointOnShape1(const Standard_Integer N) const
348{
349 if (myIsDone == Standard_False)
350 { StdFail_NotDone::Raise
351 ("BRepExtrema_DistShapeShape::PointOnShape1: There's no solution ");
352 }
353 if ((N<1)||(N>myNbSolution))
354 { Standard_OutOfRange::Raise
355 ("BRepExtrema_DistShapeShape::PointOnShape1: Nth solution doesn't exist ");
356 }
357 return ((ListeDeSolutionShape1.Value(N)).Point());
358}
359
360//=======================================================================
361//function : PointOnShape2
362//purpose :
363//=======================================================================
364
365gp_Pnt BRepExtrema_DistShapeShape::PointOnShape2(const Standard_Integer N) const
366{
367 if (myIsDone == Standard_False)
368 { StdFail_NotDone::Raise
369 ("BRepExtrema_DistShapeShape::PointOnShape2: There's no solution ");
370 }
371 if ((N<1)||(N>myNbSolution))
372 { Standard_OutOfRange::Raise
373 ("BRepExtrema_DistShapeShape::PointOnShape2: Nth solution doesn't exist ");
374 }
375 return ((ListeDeSolutionShape2.Value(N)).Point());
376}
377
378//=======================================================================
379//function : SupportTypeShape1
380//purpose :
381//=======================================================================
382
383BRepExtrema_SupportType BRepExtrema_DistShapeShape::SupportTypeShape1(const Standard_Integer N) const
384{
385 if (myIsDone == Standard_False)
386 { StdFail_NotDone::Raise
387 ("BRepExtrema_DistShapeShape::SupportTypeShape1: There's no solution ");
388 }
389 if ((N<1)||(N>myNbSolution))
390 { Standard_OutOfRange::Raise
391 ("BRepExtrema_DistShapeShape::SupportTypeShape1: Nth solution doesn't exist ");
392 }
393 return ((ListeDeSolutionShape1.Value(N)).SupportKind());
394}
395
396//=======================================================================
397//function : SupportTypeShape2
398//purpose :
399//=======================================================================
400
401BRepExtrema_SupportType BRepExtrema_DistShapeShape::SupportTypeShape2(const Standard_Integer N) const
402{
403 if (myIsDone == Standard_False)
404 { StdFail_NotDone::Raise
405 ("BRepExtrema_DistShapeShape::SupportTypeShape2: There's no solution ");
406 }
407 if ((N<1)||(N>myNbSolution))
408 { Standard_OutOfRange::Raise
409 ("BRepExtrema_DistShapeShape::SupportTypeShape2: Nth solution doesn't exist ");
410 }
411 return ((ListeDeSolutionShape2.Value(N)).SupportKind());
412}
413
414//=======================================================================
415//function : SupportOnShape1
416//purpose :
417//=======================================================================
418
419TopoDS_Shape BRepExtrema_DistShapeShape::SupportOnShape1(const Standard_Integer N) const
420{
421 BRepExtrema_SupportType Type;
422 TopoDS_Shape a_shape;
423
424 if (myIsDone == Standard_False)
425 { StdFail_NotDone::Raise
426 ("BRepExtrema_DistShapeShape::SupportOnShape1: There's no solution ");
427 }
428 if ((N<1)||(N>myNbSolution))
429 { Standard_OutOfRange::Raise
430 ("BRepExtrema_DistShapeShape::SupportOnShape1: Nth solution doesn't exist ");
431 }
432 Type = ((ListeDeSolutionShape1.Value(N)).SupportKind());
433 switch ( Type)
434 { case BRepExtrema_IsVertex : a_shape=ListeDeSolutionShape1.Value(N).Vertex();
435 break;
436 case BRepExtrema_IsOnEdge : a_shape=ListeDeSolutionShape1.Value(N).Edge();
437 break;
438 case BRepExtrema_IsInFace : a_shape=ListeDeSolutionShape1.Value(N).Face();
439 break;
440 default :{}
441 }
442 return a_shape ;
443}
444
445//=======================================================================
446//function : SupportOnShape2
447//purpose :
448//=======================================================================
449
450TopoDS_Shape BRepExtrema_DistShapeShape::SupportOnShape2(const Standard_Integer N) const
451{
452 BRepExtrema_SupportType Type;
453 TopoDS_Shape a_shape ;
454
455 if (myIsDone == Standard_False)
456 { StdFail_NotDone::Raise
457 ("BRepExtrema_DistShapeShape::SupportOnShape2: There's no solution ");
458 }
459 if ((N<1)||(N>myNbSolution))
460 { Standard_OutOfRange::Raise
461 ("BRepExtrema_DistShapeShape::SupportOnShape2: Nth solution doesn't exist ");
462 }
463 Type = ((ListeDeSolutionShape2.Value(N)).SupportKind());
464 switch ( Type)
465 { case BRepExtrema_IsVertex : a_shape=ListeDeSolutionShape2.Value(N).Vertex();
466 break;
467 case BRepExtrema_IsOnEdge : a_shape=ListeDeSolutionShape2.Value(N).Edge();
468 break;
469 case BRepExtrema_IsInFace : a_shape=ListeDeSolutionShape2.Value(N).Face();
470 break;
471 default :{}
472 }
473 return a_shape ;
474}
475
476//=======================================================================
477//function : ParOnEdgeS1
478//purpose :
479//=======================================================================
480
481void BRepExtrema_DistShapeShape::ParOnEdgeS1(const Standard_Integer N, Standard_Real& t) const
482{
483 BRepExtrema_SupportType Type;
484
485 if (myIsDone == Standard_False)
486 { StdFail_NotDone::Raise
487 ("BRepExtrema_DistShapeShape::ParOnEdgeS1: There's no solution ");
488 }
489 if ((N<1)||(N>myNbSolution))
490 { Standard_OutOfRange::Raise
491 ("BRepExtrema_DistShapeShape::ParOnEdgeS1: Nth solution doesn't exist ");
492 }
493
494 Type = ((ListeDeSolutionShape1.Value(N)).SupportKind());
495 if (Type != BRepExtrema_IsOnEdge)
496 { BRepExtrema_UnCompatibleShape::Raise
497 ("BRepExtrema_DistShapeShape::ParOnEdgeS1:ParOnEdgeS1 is impossible without EDGE ");
498 }
499
500 (ListeDeSolutionShape1.Value(N)).EdgeParameter(t);
501}
502
503//=======================================================================
504//function : ParOnEdgeS2
505//purpose :
506//=======================================================================
507
508void BRepExtrema_DistShapeShape::ParOnEdgeS2(const Standard_Integer N, Standard_Real& t) const
509{
510 BRepExtrema_SupportType Type;
511
512 if (myIsDone == Standard_False)
513 { StdFail_NotDone::Raise
514 ("BRepExtrema_DistShapeShape::ParOnEdgeS2: There's no solution ");
515 }
516 if ((N<1)||(N>myNbSolution))
517 { Standard_OutOfRange::Raise
518 ("BRepExtrema_DistShapeShape::ParOnEdgeS2: Nth solution doesn't exist ");
519 }
520
521 Type = ((ListeDeSolutionShape2.Value(N)).SupportKind());
522 if (Type != BRepExtrema_IsOnEdge)
523 { BRepExtrema_UnCompatibleShape::Raise
524 ("BRepExtrema_DistShapeShape::ParOnEdgeS2:ParOnEdgeS2 is impossible without EDGE ");
525 }
526
527 (ListeDeSolutionShape2.Value(N)).EdgeParameter(t);
528}
529
530//=======================================================================
531//function : ParOnFaceS1
532//purpose :
533//=======================================================================
534
535void BRepExtrema_DistShapeShape::ParOnFaceS1(const Standard_Integer N, Standard_Real& u, Standard_Real& v) const
536{
537 BRepExtrema_SupportType Type;
538
539 if (myIsDone == Standard_False)
540 { StdFail_NotDone::Raise
541 ("BRepExtrema_DistShapeShape::ParOnFaceS1: There's no solution ");
542 }
543 if ((N<1)||(N>myNbSolution))
544 { Standard_OutOfRange::Raise
545 ("BRepExtrema_DistShapeShape::ParOnFaceS1: Nth solution doesn't exist ");
546 }
547
548 Type = ((ListeDeSolutionShape1.Value(N)).SupportKind());
549 if (Type != BRepExtrema_IsInFace)
550 { BRepExtrema_UnCompatibleShape::Raise
551 ("BRepExtrema_DistShapeShape::ParOnFaceS1:ParOnFaceS1 is impossible without FACE ");
552 }
553
554 (ListeDeSolutionShape1.Value(N)).FaceParameter(u, v);
555}
556
557void BRepExtrema_DistShapeShape::ParOnFaceS2(const Standard_Integer N, Standard_Real& u, Standard_Real& v) const
558{
559 BRepExtrema_SupportType Type;
560
561 if (myIsDone == Standard_False)
562 { StdFail_NotDone::Raise
563 ("BRepExtrema_DistShapeShape::ParOnFaceS2: There's no solution ");
564 }
565 if ((N<1)||(N>myNbSolution))
566 { Standard_OutOfRange::Raise
567 ("BRepExtrema_DistShapeShape::ParOnFaceS2: Nth solution doesn't exist ");
568 }
569 Type = ((ListeDeSolutionShape2.Value(N)).SupportKind());
570 if (Type != BRepExtrema_IsInFace)
571 { BRepExtrema_UnCompatibleShape::Raise
572 ("BRepExtrema_DistShapeShape::ParOnFaceS2:ParOnFaceS2 is impossible without FACE ");
573 }
574
575 (ListeDeSolutionShape2.Value(N)).FaceParameter(u, v);
576
577}
578
579//=======================================================================
580//function : Dump
581//purpose :
582//=======================================================================
583
584void BRepExtrema_DistShapeShape::Dump(Standard_OStream& o) const
585{
586 Standard_Integer i;
587 Standard_Real r1,r2;
588 BRepExtrema_SupportType Type1, Type2;
589
590 o<< "the distance value is : " << Value()<<endl;
591 o<< "the number of solutions is :"<<NbSolution()<<endl;
592 o<<endl;
593 for (i=1;i<=NbSolution();i++) {
594 o<<"solution number "<<i<<": "<< endl;
595 o<<"the type of the solution on the first shape is " <<Standard_Integer( SupportTypeShape1(i)) <<endl;
596 o<<"the type of the solution on the second shape is "<<Standard_Integer( SupportTypeShape2(i))<< endl;
597 o<< "the coordinates of the point on the first shape are: "<<endl;
598 o<<"X=" <<PointOnShape1(i).X()<<" Y=" <<PointOnShape1(i).Y()<<" Z="<<PointOnShape1(i).Z()<<endl;
599 o<< "the coordinates of the point on the second shape are: "<<endl;
600 o<<"X="<< PointOnShape2(i).X()<< " Y="<<PointOnShape2(i).Y()<<" Z="<< PointOnShape2(i).Z()<<endl;
601
602 Type1=SupportTypeShape1(i);
603 Type2=SupportTypeShape2(i);
604 if (Type1 == BRepExtrema_IsOnEdge)
605 {
606 ParOnEdgeS1(i,r1);
607 o << "parameter on the first edge : t= " << r1 << endl;
608 }
609 if (Type1 == BRepExtrema_IsInFace)
610 {
611 ParOnFaceS1(i,r1,r2);
612 o << "parameters on the first face : u= " << r1 << " v=" << r2 << endl;
613 }
614 if (Type2 == BRepExtrema_IsOnEdge)
615 {
616 ParOnEdgeS2(i,r1);
617 o << "parameter on the second edge : t=" << r1 << endl;
618 }
619 if (Type2 == BRepExtrema_IsInFace)
620 {
621 ParOnFaceS2(i,r1,r2);
622 o << "parameters on the second face : u= " << r1 << " v=" << r2 << endl;
623 }
624
625 o<<endl;
626 }
627}
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