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0024085: Eliminate compiler warning C4706 in MSVC++ with warning level 4
[occt.git] / src / ShapeAnalysis / ShapeAnalysis_Wire.cxx
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b311480e 1// Created on: 2000-01-20
2// Created by: data exchange team
3// Copyright (c) 2000-2012 OPEN CASCADE SAS
4//
5// The content of this file is subject to the Open CASCADE Technology Public
6// License Version 6.5 (the "License"). You may not use the content of this file
7// except in compliance with the License. Please obtain a copy of the License
8// at http://www.opencascade.org and read it completely before using this file.
9//
10// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
11// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
12//
13// The Original Code and all software distributed under the License is
14// distributed on an "AS IS" basis, without warranty of any kind, and the
15// Initial Developer hereby disclaims all such warranties, including without
16// limitation, any warranties of merchantability, fitness for a particular
17// purpose or non-infringement. Please see the License for the specific terms
18// and conditions governing the rights and limitations under the License.
19
7fd59977 20
21//:pdn 11.12.98: FixDegenerated improved
22//:pdn 05.01.99: renaming method CheckLittle to CheckSmall
23//:l0 abv 10.01.99: CATIA01 #1727: fix intersecting edges always if edge is lacking
24//:n2 abv 22.01.99: ma-test5.igs: IGES read (pref3d): remove degen edge with no pcurve
25//:o4 abv 17.02.99: r0301_db.stp #53082: adding parameter isClosed to CheckOrder
26// rln 03.03.99 S4135: using updated ShapeAnalysis_Surface for checking of singularities
27//:p9 abv 11.03.99: PRO7226 #489490: fix :i9 moved to allow fixing a set of degenerated edges
28//#77 rln 11.03.99: S4135: using singularity which has minimum gap between singular point and input 3D point
29//#84 rln 18.03.99: inserting degenerated edge between ends of pcurves
30//pdn 12.03.99 S4135 check degenerated applies minimal tolerance first.
31//pdn 16.03.99 S4135 adding check of non adjacent edjes.
32//#83 rln 19.03.99: processing segments in intersection as in BRepCheck
33//%15 pdn 15.03.99 checking of small area wire added
34//#2 smh 26.03.99 S4163 Zero divide
35//#4 szv S4163 optimizing
36//:r6 abv 08.04.99: protect FixIE against working out of curve range
37//:s1 abv 22.04.99: PRO7226 #489490: ensure fixing of degenerated edge
38//#9 smh 14.12.99 BUC60615 Using tolerance of verteces during checking degenerated edge.
39
40#include <ShapeAnalysis_Wire.ixx>
41
42#include <Precision.hxx>
43
44#include <Geom_Curve.hxx>
45#include <Geom2d_Curve.hxx>
46#include <GeomAdaptor_HSurface.hxx>
47#include <Geom2dAdaptor_Curve.hxx>
48#include <Geom2dInt_GInter.hxx>
49#include <IntRes2d_Domain.hxx>
50#include <IntRes2d_Transition.hxx>
51#include <IntRes2d_IntersectionPoint.hxx>
52#include <IntRes2d_IntersectionSegment.hxx>
53
54#include <TopoDS_Edge.hxx>
55#include <TopoDS_Vertex.hxx>
56#include <BRep_Builder.hxx>
57#include <BRep_Tool.hxx>
58#include <BRepTools.hxx>
59
60#include <ShapeExtend.hxx>
61#include <ShapeAnalysis.hxx>
62#include <ShapeAnalysis_Curve.hxx>
63#include <ShapeAnalysis_Edge.hxx>
64
65#include <TopoDS.hxx>
66#include <Precision.hxx>
67#include <TColgp_Array1OfPnt.hxx>
68#include <TColStd_Array1OfReal.hxx>
69#include <Bnd_Array1OfBox2d.hxx>
70#include <BndLib_Add2dCurve.hxx>
71#include <Bnd_Box2d.hxx>
72
73//szvsh addition
74#include <Geom2dAdaptor_HCurve.hxx>
75#include <Adaptor3d_CurveOnSurface.hxx>
76#include <TColgp_SequenceOfPnt.hxx>
77#include <ShapeAnalysis_Surface.hxx>
78#include <TopoDS_Wire.hxx>
79#include <ShapeAnalysis.hxx>
80#include <Geom_Plane.hxx>
81#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
82#include <TopoDS_Iterator.hxx>
83#include <TopTools_DataMapOfShapeListOfShape.hxx>
84#include <TopTools_ListOfShape.hxx>
85#include <TopTools_IndexedMapOfShape.hxx>
86#include <TopTools_ListIteratorOfListOfShape.hxx>
87#include <TopExp.hxx>
88
89//=======================================================================
90//function : ShapeAnalysis_Wire
91//purpose :
92//=======================================================================
93
94ShapeAnalysis_Wire::ShapeAnalysis_Wire()
95{
96 ClearStatuses();
97 myPrecision = ::Precision::Confusion();
98}
99
100//=======================================================================
101//function : ShapeAnalysis_Wire
102//purpose :
103//=======================================================================
104
105ShapeAnalysis_Wire::ShapeAnalysis_Wire (const TopoDS_Wire& wire,
106 const TopoDS_Face& face,
107 const Standard_Real precision)
108{
109 Init (wire, face, precision);
110}
111
112//=======================================================================
113//function : ShapeAnalysis_Wire
114//purpose :
115//=======================================================================
116
117ShapeAnalysis_Wire::ShapeAnalysis_Wire (const Handle(ShapeExtend_WireData)& sbwd,
118 const TopoDS_Face& face,
119 const Standard_Real precision)
120{
121 Init (sbwd, face, precision);
122}
123
124//=======================================================================
125//function : Init
126//purpose :
127//=======================================================================
128
129void ShapeAnalysis_Wire::Init (const TopoDS_Wire& wire,
130 const TopoDS_Face& face, const Standard_Real precision)
131{
132 Init (new ShapeExtend_WireData (wire), face, precision);
133}
134
135//=======================================================================
136//function : Init
137//purpose :
138//=======================================================================
139
140void ShapeAnalysis_Wire::Init (const Handle(ShapeExtend_WireData)& sbwd,
141 const TopoDS_Face& face, const Standard_Real precision)
142{
143 Load (sbwd);
144 SetFace (face);
145 SetPrecision (precision);
146}
147
148//=======================================================================
149//function : Load
150//purpose :
151//=======================================================================
152
153void ShapeAnalysis_Wire::Load (const TopoDS_Wire& wire)
154{
155 ClearStatuses();
156 myWire = new ShapeExtend_WireData (wire);
157}
158
159//=======================================================================
160//function : Load
161//purpose :
162//=======================================================================
163
164void ShapeAnalysis_Wire::Load (const Handle(ShapeExtend_WireData)& sbwd)
165{
166 ClearStatuses();
167 myWire = sbwd;
168}
169
170//=======================================================================
171//function : SetFace
172//purpose :
173//=======================================================================
174
175void ShapeAnalysis_Wire::SetFace(const TopoDS_Face& face)
176{
177 myFace = face;
178 if(!face.IsNull())
179 mySurf = new ShapeAnalysis_Surface ( BRep_Tool::Surface ( myFace ) );
180}
181
182//=======================================================================
183//function : SetSurface
184//purpose :
185//=======================================================================
186
187void ShapeAnalysis_Wire::SetSurface (const Handle(Geom_Surface)& surface)
188{
189 SetSurface ( surface, TopLoc_Location() );
190}
191
192//=======================================================================
193//function : SetSurface
194//purpose :
195//=======================================================================
196
197void ShapeAnalysis_Wire::SetSurface (const Handle(Geom_Surface)& surface,
198 const TopLoc_Location& location)
199{
200 BRep_Builder B;
201 TopoDS_Face face;
202 B.MakeFace ( face, surface, location, ::Precision::Confusion() );
203 SetFace ( face );
204}
205
206//=======================================================================
207//function : SetPrecision
208//purpose :
209//=======================================================================
210
211 void ShapeAnalysis_Wire::SetPrecision(const Standard_Real precision)
212{
213 myPrecision = precision;
214}
215
216//=======================================================================
217//function : ClearStatuses
218//purpose :
219//=======================================================================
220
221 void ShapeAnalysis_Wire::ClearStatuses()
222{
223 myStatusOrder = myStatusConnected =
224 myStatusEdgeCurves = myStatusDegenerated =
225 myStatusClosed = myStatusLacking =
226 myStatusSelfIntersection = myStatusSmall =
227 myStatusGaps3d = myStatusGaps2d =
228 myStatusCurveGaps = myStatusLoop = myStatus = 0;
229
230 myMin3d = myMin2d = myMax3d = myMax2d = 0.;
231}
232
233//=======================================================================
234//function : Perform
235//purpose :
236//=======================================================================
237
238 Standard_Boolean ShapeAnalysis_Wire::Perform()
239{
240 Standard_Boolean result = Standard_False;
241 result |= CheckOrder();
242 result |= CheckSmall();
243 result |= CheckConnected();
244 result |= CheckEdgeCurves();
245 result |= CheckDegenerated();
246 result |= CheckSelfIntersection();
247 result |= CheckLacking();
248 result |= CheckClosed();
249 return result;
250}
251
252//=======================================================================
253//function : CheckOrder
254//purpose :
255//=======================================================================
256
257 Standard_Boolean ShapeAnalysis_Wire::CheckOrder (const Standard_Boolean isClosed,
258 const Standard_Boolean mode3d)
259{
260 ShapeAnalysis_WireOrder sawo;
261 CheckOrder (sawo, isClosed, mode3d);
262 myStatusOrder = myStatus;
263 return StatusOrder (ShapeExtend_DONE);
264}
265
266//=======================================================================
267//function : CheckSmall
268//purpose :
269//=======================================================================
270
271 Standard_Boolean ShapeAnalysis_Wire::CheckSmall(const Standard_Real precsmall)
272{
273 for (Standard_Integer i = 1; i <= myWire->NbEdges(); i++) {
274 CheckSmall (i, precsmall);
275 myStatusSmall |= myStatus;
276 }
277 return StatusSmall (ShapeExtend_DONE);
278}
279
280//=======================================================================
281//function : CheckConnected
282//purpose :
283//=======================================================================
284
285 Standard_Boolean ShapeAnalysis_Wire::CheckConnected(const Standard_Real prec)
286{
287 for (Standard_Integer i = 1; i <= myWire->NbEdges(); i++) {
288 CheckConnected ( i, prec );
289 myStatusConnected |= myStatus;
290 }
291 return StatusConnected (ShapeExtend_DONE);
292}
293
294//=======================================================================
295//function : CheckEdgeCurves
296//purpose :
297//=======================================================================
298
299 Standard_Boolean ShapeAnalysis_Wire::CheckEdgeCurves()
300{
301 myStatusEdgeCurves = ShapeExtend::EncodeStatus ( ShapeExtend_OK );
302 if ( ! IsReady() ) return Standard_False;
303
304 Standard_Integer i, nb = myWire->NbEdges();
305 ShapeAnalysis_Edge SAE;
306
307 for (i = 1; i <= nb; i++) {
308 TopoDS_Edge E = myWire->Edge (i);
309
310 SAE.CheckCurve3dWithPCurve (E, myFace);
311 if (SAE.Status (ShapeExtend_DONE))
312 myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
313 if (SAE.Status ( ShapeExtend_FAIL))
314 myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
315
316 SAE.CheckVerticesWithPCurve (E, myFace);
317 if (SAE.Status (ShapeExtend_DONE))
318 myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_DONE2);
319 if (SAE.Status ( ShapeExtend_FAIL))
320 myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
321
322 SAE.CheckVerticesWithCurve3d (E);
323 if (SAE.Status (ShapeExtend_DONE))
324 myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_DONE3);
325 if (SAE.Status ( ShapeExtend_FAIL))
326 myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
327
328 CheckSeam (i);
329 if (LastCheckStatus (ShapeExtend_DONE))
330 myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_DONE4);
331 if (LastCheckStatus (ShapeExtend_FAIL))
332 myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL4);
333
334 CheckGap3d (i);
335 if (LastCheckStatus (ShapeExtend_DONE))
336 myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_DONE5);
337 if (LastCheckStatus (ShapeExtend_FAIL))
338 myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL5);
339
340 CheckGap2d (i);
341 if (LastCheckStatus (ShapeExtend_DONE))
342 myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_DONE6);
343 if (LastCheckStatus (ShapeExtend_FAIL))
344 myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL6);
345
346 Standard_Real maxdev = 0.0;
347 SAE.CheckSameParameter (myWire->Edge (i), maxdev);
348 if (SAE.Status (ShapeExtend_DONE))
349 myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_DONE7);
350 if (SAE.Status ( ShapeExtend_FAIL))
351 myStatusEdgeCurves |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL7);
352 }
353 return StatusEdgeCurves (ShapeExtend_DONE);
354}
355
356//=======================================================================
357//function : CheckDegenerated
358//purpose :
359//=======================================================================
360
361 Standard_Boolean ShapeAnalysis_Wire::CheckDegenerated()
362{
363 for (Standard_Integer i = 1; i <= myWire->NbEdges(); i++) {
364 CheckDegenerated (i);
365 myStatusDegenerated |= myStatus;
366 }
367 return StatusDegenerated (ShapeExtend_DONE);
368}
369
370//=======================================================================
371//function : CheckSelfIntersection
372//purpose :
373//=======================================================================
374
375 Standard_Boolean ShapeAnalysis_Wire::CheckSelfIntersection()
376{
377 myStatusSelfIntersection = ShapeExtend::EncodeStatus ( ShapeExtend_OK );
378 if (!IsReady()) return Standard_False;
379 Standard_Integer i, nb = myWire->NbEdges();
380 for (i = 1; i <= nb; i++) {
381 CheckSelfIntersectingEdge (i);
382 if (LastCheckStatus (ShapeExtend_DONE))
383 myStatusSelfIntersection |= ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
384 if (LastCheckStatus (ShapeExtend_FAIL))
385 myStatusSelfIntersection |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
386
387 CheckIntersectingEdges (i);
388 if (LastCheckStatus (ShapeExtend_DONE))
389 myStatusSelfIntersection |= ShapeExtend::EncodeStatus (ShapeExtend_DONE2);
390 if (LastCheckStatus (ShapeExtend_FAIL))
391 myStatusSelfIntersection |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
392 }
393
394 Bnd_Array1OfBox2d boxes(1,nb);
395 TopLoc_Location L;
396 const Handle(Geom_Surface)& S = BRep_Tool::Surface(Face(), L);
397 Handle(Geom2d_Curve) c2d;
398 Standard_Real cf,cl;
399 ShapeAnalysis_Edge sae;
400 Handle(ShapeExtend_WireData) sbwd = WireData();
401 for(i = 1; i <= nb; i++){
402 TopoDS_Edge E = sbwd->Edge (i);
403 if(sae.PCurve (E,S,L,c2d,cf,cl,Standard_False)) {
404 Bnd_Box2d box;
405 Geom2dAdaptor_Curve gac(c2d,cf,cl);
406 BndLib_Add2dCurve::Add(gac,::Precision::Confusion(),box);
407 boxes(i) = box;
408 }
409 }
410
411 Standard_Boolean isFail = Standard_False, isDone = Standard_False;
412 for(Standard_Integer num1 = 1; num1 < nb-1; num1++) {
ef57920a
V		 413 Standard_Integer fin = nb;
414 if (CheckClosed(Precision::Confusion()) && 1 == num1)
415 fin = nb-1;
7fd59977 416 for(Standard_Integer num2 = num1+2; num2 <= fin; num2++)
417 if(!boxes(num1).IsOut(boxes(num2))){
418 CheckIntersectingEdges(num1, num2);
419 isFail |= LastCheckStatus ( ShapeExtend_FAIL1 );
420 isDone |= LastCheckStatus ( ShapeExtend_DONE1 );
421 }
422 }
423 if(isFail)
424 myStatusSelfIntersection |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL3 );
425 if(isDone)
426 myStatusSelfIntersection |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE3 );
427
428 return StatusSelfIntersection (ShapeExtend_DONE);
429}
430
431//=======================================================================
432//function : CheckLacking
433//purpose :
434//=======================================================================
435
436 Standard_Boolean ShapeAnalysis_Wire::CheckLacking()
437{
438 if (!IsReady() || NbEdges() < 2) return Standard_False;
439 for (Standard_Integer i = 1; i <= myWire->NbEdges(); i++) {
440 CheckLacking (i);
441 myStatusLacking |= myStatus;
442 }
443 return StatusLacking (ShapeExtend_DONE);
444}
445
446//=======================================================================
447//function : CheckClosed
448//purpose :
449//=======================================================================
450
451 Standard_Boolean ShapeAnalysis_Wire::CheckClosed(const Standard_Real prec)
452{
453 myStatusClosed = ShapeExtend::EncodeStatus ( ShapeExtend_OK );
454 if (!IsReady() || NbEdges() < 1) return Standard_False;
455
456 CheckConnected (1, prec);
457 if ( LastCheckStatus ( ShapeExtend_DONE ) )
458 myStatusClosed |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 );
459 if ( LastCheckStatus ( ShapeExtend_FAIL ) )
460 myStatusClosed |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 );
461
462 CheckDegenerated ( 1 );
463 if ( LastCheckStatus ( ShapeExtend_DONE ) )
464 myStatusClosed |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 );
465 if ( LastCheckStatus ( ShapeExtend_FAIL ) )
466 myStatusClosed |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL2 );
467
468 return StatusClosed ( ShapeExtend_DONE );
469}
470
471//=======================================================================
472//function : CheckGaps3d
473//purpose :
474//=======================================================================
475
476 Standard_Boolean ShapeAnalysis_Wire::CheckGaps3d ()
477{
478 myStatusGaps3d = ShapeExtend::EncodeStatus ( ShapeExtend_OK );
479 if (!IsLoaded() || NbEdges() < 1) return Standard_False; //gka IsLoaded
480
481 Standard_Real dist, maxdist = 0.;
482
483 for (Standard_Integer i = 1; i <= NbEdges(); i++) {
484 CheckGap3d(i);
485 myStatusGaps3d |= myStatus;
486 if (!LastCheckStatus(ShapeExtend_FAIL1)) {
487 dist = MinDistance3d();
488 if (maxdist<dist) maxdist = dist;
489 }
490 }
491 myMin3d = myMax3d = maxdist;
492
493 return StatusGaps3d ( ShapeExtend_DONE );
494}
495
496//=======================================================================
497//function : CheckGaps2d
498//purpose :
499//=======================================================================
500
501 Standard_Boolean ShapeAnalysis_Wire::CheckGaps2d ()
502{
503 myStatusGaps2d = ShapeExtend::EncodeStatus ( ShapeExtend_OK );
504 if (!IsReady() || NbEdges() < 1) return Standard_False;
505
506 Standard_Real dist, maxdist = 0.;
507
508 for (Standard_Integer i = 1; i <= NbEdges(); i++) {
509 CheckGap2d(i);
510 myStatusGaps2d |= myStatus;
511 if (!LastCheckStatus(ShapeExtend_FAIL1)) {
512 dist = MinDistance2d();
513 if (maxdist<dist) maxdist = dist;
514 }
515 }
516 myMin2d = myMax2d = maxdist;
517
518 return StatusGaps2d ( ShapeExtend_DONE );
519}
520
521//=======================================================================
522//function : CheckCurveGaps
523//purpose :
524//=======================================================================
525
526 Standard_Boolean ShapeAnalysis_Wire::CheckCurveGaps ()
527{
528 myStatusCurveGaps = ShapeExtend::EncodeStatus ( ShapeExtend_OK );
529 if (!IsReady() || NbEdges() < 1) return Standard_False;
530
531 Standard_Real dist, maxdist = 0.;
532
533 for (Standard_Integer i = 1; i <= NbEdges(); i++) {
534 CheckCurveGap(i);
535 myStatusCurveGaps |= myStatus;
536 if (!LastCheckStatus(ShapeExtend_FAIL1)) {
537 dist = MinDistance3d();
538 if (maxdist<dist) maxdist = dist;
539 }
540 }
541 myMin3d = myMax3d = maxdist;
542
543 return StatusCurveGaps ( ShapeExtend_DONE );
544}
545
546//=======================================================================
547//function : CheckOrder
548//purpose :
549//=======================================================================
550
551Standard_Boolean ShapeAnalysis_Wire::CheckOrder(ShapeAnalysis_WireOrder& sawo,
552 const Standard_Boolean isClosed,
553 const Standard_Boolean mode3d)
554{
555 if ( ! mode3d && myFace.IsNull() ) {
556 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
557 return Standard_False;
558 }
559
560 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
561 sawo.SetMode ( mode3d, ( mode3d ? myPrecision : ::Precision::PConfusion() ) );
562 Standard_Integer i, nb = myWire->NbEdges();
563 ShapeAnalysis_Edge EA;
564 for (i = 1; i <= nb; i ++) {
565 TopoDS_Edge E = myWire->Edge(i);
566 if ( mode3d ) {
567 TopoDS_Vertex V1 = EA.FirstVertex (E);
568 TopoDS_Vertex V2 = EA.LastVertex (E);
42e4630c 569 if (V1.IsNull() || V2.IsNull())
570 {
571 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
572 return Standard_False;
573 }
7fd59977 574 gp_Pnt p1 = BRep_Tool::Pnt (V1);
575 gp_Pnt p2 = BRep_Tool::Pnt (V2);
576 sawo.Add (p1.XYZ(),p2.XYZ());
577 }
578 else {
579 Standard_Real f,l;
580 Handle(Geom2d_Curve) c2d;
581 TopoDS_Shape tmpF = myFace.Oriented(TopAbs_FORWARD);
582 if ( ! EA.PCurve(E,TopoDS::Face(tmpF),c2d,f,l) ) {
583 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
584 return Standard_False;
585 }
586 sawo.Add(c2d->Value(f).XY(),c2d->Value(l).XY());
587 }
588 }
589 sawo.Perform(isClosed);
590 Standard_Integer stat = sawo.Status();
591 switch (stat) {
592 case 0: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK); break;
593 case 1: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1); break;
594 case 2: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE2); break;
595 case -1: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE3); break;
596 case -2: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE4); break;
597 case -10: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1); break;
598 }
599 return LastCheckStatus (ShapeExtend_DONE);
600}
601
602//=======================================================================
603//function : CheckConnected
604//purpose :
605//=======================================================================
606
607Standard_Boolean ShapeAnalysis_Wire::CheckConnected (const Standard_Integer num,
608 const Standard_Real prec)
609{
610 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
611 if ( ! IsLoaded() || NbEdges() < 1 ) return Standard_False;
612
613 Standard_Integer n2 = ( num >0 ? num : NbEdges() );
614 Standard_Integer n1 = ( n2 >1 ? n2-1 : NbEdges() );
615// if (n1 == n2) return 0;
616
617 TopoDS_Edge E1 = WireData()->Edge ( n1 );
618 TopoDS_Edge E2 = WireData()->Edge ( n2 );
619
620 ShapeAnalysis_Edge sae;
621 TopoDS_Vertex V1 = sae.LastVertex (E1);
622 TopoDS_Vertex V2 = sae.FirstVertex (E2);
42e4630c 623 if (V1.IsNull() || V2.IsNull())
624 {
625 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
626 return Standard_False;
627 }
7fd59977 628 if (V1.IsSame(V2)) return Standard_False;
629
630 gp_Pnt p1 = BRep_Tool::Pnt (V1);
631 gp_Pnt p2 = BRep_Tool::Pnt (V2);
632 myMin3d = p1.Distance(p2);
633 if ( myMin3d <= gp::Resolution() ) myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
634 else if ( myMin3d <= myPrecision ) myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_DONE2);
635 else if ( myMin3d <= prec ) myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_DONE3);
636 else {
637 // et en inversant la derniere edge ?
638 if ( n1 == n2 ) myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
639 else {
640 V2 = sae.LastVertex (E2);
641 p2 = BRep_Tool::Pnt (V2);
642 Standard_Real dist = p1.Distance(p2);
643 if ( dist > myPrecision ) myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
644 else {
645 myMin3d = dist;
646 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
647 }
648 }
649 return Standard_False;
650 }
651 return Standard_True;
652}
653
654//=======================================================================
655//function : CheckSmall
656//purpose :
657//=======================================================================
658
659Standard_Boolean ShapeAnalysis_Wire::CheckSmall (const Standard_Integer num,
660 const Standard_Real precsmall)
661{
662 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
663 if ( ! IsLoaded() || NbEdges() <= 1 ) return Standard_False;
664
665 //Standard_Integer n = ( num ? num : NbEdges() ); //szv#4:S4163:12Mar99 not needed
666 TopoDS_Edge E = myWire->Edge ( num ? num : NbEdges() );
667 ShapeAnalysis_Edge sae;
668
669 if ( BRep_Tool::Degenerated ( E ) ) {
670 //:n2 abv 22 Jan 99: ma-test5.igs -> IGES (brep) -> read (pref3d):
671 // degen edge with no pcurve should be removed
672 if ( ! myFace.IsNull() && sae.HasPCurve ( E, Face() ) ) return Standard_False;
673 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
674 }
675
676 TopoDS_Vertex V1 = sae.FirstVertex (E);
677 TopoDS_Vertex V2 = sae.LastVertex (E);
678 gp_Pnt p1 = BRep_Tool::Pnt (V1);
679 gp_Pnt p2 = BRep_Tool::Pnt (V2);
680 Standard_Real dist = p1.Distance(p2);
681 Standard_Real prec = precsmall;//Min ( myPrecision, precsmall );
682 //Standard_Real prec = Min(BRep_Tool::Tolerance(V1),BRep_Tool::Tolerance(V2)); //skl
683 if (dist > prec) return Standard_False; // pas nulle
684
685 // La courbe 3D a present : est-elle FERMEE ou DE LONGUEUR NULLE ... ???
686 // Pour cela on prend le point milieu (y a-t-il mieux)
687 // Si pas de C3D, on essaie la C2D ...
688
689 gp_Pnt Pm;
690 Standard_Real cf,cl;
691 Handle(Geom_Curve) c3d;
692 if ( sae.Curve3d (E,c3d,cf,cl,Standard_False) ) Pm = c3d->Value ( (cf+cl)/2. );
693 else {
694 Handle(Geom2d_Curve) c2d;
695 if ( ! myFace.IsNull() && sae.PCurve (E,myFace,c2d,cf,cl,Standard_False)) {
696 gp_Pnt2d p2m = c2d->Value ( (cf+cl)/2. );
697 Pm = mySurf->Value (p2m);
698 }
699 else {
700 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
701 Pm = p1;
702//:n2 return Standard_False;
703 }
704 }
705 if ( Pm.Distance(p1) > prec || Pm.Distance(p2) > prec ) return Standard_False;
706
707 myStatus |= ShapeExtend::EncodeStatus ( V1.IsSame(V2) ? ShapeExtend_DONE1 : ShapeExtend_DONE2 );
708 return Standard_True;
709}
710
711//=======================================================================
712//function : CheckSeam
713//purpose :
714//=======================================================================
715
716 Standard_Boolean ShapeAnalysis_Wire::CheckSeam(const Standard_Integer num,
717 Handle(Geom2d_Curve)& C1,
718 Handle(Geom2d_Curve)& C2,
719 Standard_Real& cf,
720 Standard_Real& cl)
721{
722 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
723 if (!IsReady()) return Standard_False;
724 Standard_Integer n = num; if (n == 0) n = NbEdges();
725 TopoDS_Edge E = myWire->Edge (n);
726 if ( ! ShapeAnalysis_Edge().IsSeam ( E, myFace ) ) return Standard_False;
727 // Extract the Two PCurves of the Seam
728 TopoDS_Face ForwardFace = myFace; ForwardFace.Orientation (TopAbs_FORWARD);
729 //szv#4:S4163:12Mar99 SGI warns
730 TopoDS_Shape EF = E.Oriented(TopAbs_FORWARD);
731 TopoDS_Shape ER = E.Oriented(TopAbs_REVERSED);
732 C1 = BRep_Tool::CurveOnSurface(TopoDS::Edge(EF), ForwardFace, cf, cl);
733 C2 = BRep_Tool::CurveOnSurface(TopoDS::Edge(ER), ForwardFace, cf, cl);
734 if (C1.IsNull() || C2.IsNull()) return Standard_False;
735
736// SelectForward est destine a devenir un outil distinct
737
738 Standard_Integer theCurveIndice = ShapeAnalysis_Curve().SelectForwardSeam (C1,C2);
739 if ( theCurveIndice != 2 ) return Standard_False;
740
741 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
742 return Standard_True;
743}
744
745//=======================================================================
746//function : CheckSeam
747//purpose :
748//=======================================================================
749
750 Standard_Boolean ShapeAnalysis_Wire::CheckSeam(const Standard_Integer num)
751{
752 Handle(Geom2d_Curve) C1, C2;
753 Standard_Real cf, cl;
754 return CheckSeam (num, C1, C2, cf, cl);
755}
756
757//=======================================================================
758//function : CheckDegenerated
759//purpose :
760//=======================================================================
761
762Standard_Boolean ShapeAnalysis_Wire::CheckDegenerated (const Standard_Integer num,
763 gp_Pnt2d& p2d1, gp_Pnt2d& p2d2)
764{
765 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
766 if ( ! IsReady() || NbEdges() < 1 ) return Standard_False;
767
768 Standard_Integer n2 = (num > 0)? num : NbEdges();
769 Standard_Integer n1 = (n2 > 1)? n2-1 : NbEdges();
770 Standard_Integer n3 = (n2 < NbEdges())? n2+1 : 1;
771 TopoDS_Edge E1 = myWire->Edge ( n1 );
772 TopoDS_Edge E2 = myWire->Edge ( n2 );
773 TopoDS_Edge E3 = myWire->Edge ( n3 );
774
775 ShapeAnalysis_Edge sae;
776
777 // skip if edge is already marked as degenerated and has pcurve
778 if ( BRep_Tool::Degenerated ( E2 ) && sae.HasPCurve ( E2, Face() ) ) {
779 // skl 30.12.2004 for OCC7630 - we have to check pcurve
780 if( sae.HasPCurve(E1,Face()) && sae.HasPCurve(E3,Face()) ) {
781 Handle(Geom2d_Curve) c2d;
782 Standard_Real fp,lp;
783 sae.PCurve ( E2, myFace, c2d, fp, lp, Standard_True );
784 gp_Pnt2d p21 = c2d->Value(fp);
785 gp_Pnt2d p22 = c2d->Value(lp);
786 sae.PCurve ( E1, myFace, c2d, fp, lp, Standard_True );
787 gp_Pnt2d p12 = c2d->Value(lp);
788 sae.PCurve ( E3, myFace, c2d, fp, lp, Standard_True );
789 gp_Pnt2d p31 = c2d->Value(fp);
790 if( fabs(p12.Distance(p31)-p21.Distance(p22)) > 2*Precision::PConfusion() ) {
791 // pcurve is bad => we can remove this edge in ShapeFix
792 // if set needed status
793 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
794 }
795 }
796 return Standard_False;
797 }
798
799 //pdn allows to insert two sequences of degenerated edges (on separate bounds of surfaces)
800 if ( n1 != n2 && BRep_Tool::Degenerated ( E1 ) &&
801 ! sae.HasPCurve ( E1, Face() ) ) {
802 //:abv 13.05.02: OCC320 - fail (to remove edge) if two consequtive degenerated edges w/o pcurves
803 if ( BRep_Tool::Degenerated ( E2 ) )
804 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
805 return Standard_False;
806 }
807//:i8 if ( BRep_Tool::Degenerated ( E1 ) ||
808//:i8 BRep_Tool::Degenerated ( E2 ) ) return Standard_False; // deja OK
809
810 TopoDS_Vertex Vp = sae.FirstVertex (E1); //:i9
811 TopoDS_Vertex V0 = sae.LastVertex (E1);
812 TopoDS_Vertex V1 = sae.FirstVertex (E2);
813 TopoDS_Vertex V2 = sae.LastVertex (E2);
814 gp_Pnt pp = BRep_Tool::Pnt (Vp); //:i9
815 gp_Pnt p0 = BRep_Tool::Pnt (V0);
816 gp_Pnt p1 = BRep_Tool::Pnt (V1);
817 gp_Pnt p2 = BRep_Tool::Pnt (V2);
818 Standard_Real par1, par2;
819 Standard_Boolean lack = Standard_False;
820 Standard_Boolean dgnr = Standard_False;
821 //pdn 12.03.99 minimal value processing first
822 Standard_Real precFirst = Min(myPrecision,BRep_Tool::Tolerance(V1));
823 Standard_Real precFin = Max(myPrecision,BRep_Tool::Tolerance(V1));
824 Standard_Real precVtx = (myPrecision<BRep_Tool::Tolerance(V1) ? 2*precFin : precFin);
825 // forward : si Edge <num> FWD/REV. Si LACK, toujours True
826 Standard_Boolean forward = ( E2.Orientation() == TopAbs_FORWARD );
827 // FIX FEV 1998 : recompute singularity according precision
828
829 if (p1.Distance(p2) <= precFirst) { // edge DGNR
830 dgnr = mySurf->DegeneratedValues ( p1, precVtx, p2d1, p2d2, par1, par2, forward ); //smh#9
831 if ( dgnr ) { // abv 24 Feb 00: trj3_as1-ac-214.stp #6065: avoid making closed edge degenerated
832 Standard_Real a, b;
833 Handle(Geom_Curve) C3d = BRep_Tool::Curve ( E2, a, b );
834 if ( ! C3d.IsNull() ) {
835 gp_Pnt p = C3d->Value ( 0.5 * ( a + b ) );
836 if ( p.SquareDistance ( p1 ) > precVtx * precVtx ) dgnr = Standard_False;
837 }
838 }
839 }
840 if ( ! dgnr ) {
841 //:i9 abv 23 Sep 98: CTS20315-2 #63231: check that previous edge is not degenerated
842 if ( n1 != n2 && p1.Distance(pp) <= precFirst &&
843 mySurf->IsDegenerated ( pp, precFirst ) &&
844 ! BRep_Tool::Degenerated ( E1 ) ) return Standard_False;
845 //rln S4135 ShapeAnalysis_Surface new algorithms for singularities
846 //:45 by abv 16 Dec 97: BUC60035 2659: precision increased to vertex tolerance
847 //Standard_Real prec = Max ( myPrecision, BRep_Tool::Tolerance(V1) );
848 //:51 abv 22 Dec 97: recompute singularities if necessary
849 //rln S4135 if ( prec > myPrecision ) mySurf->ComputeSingularities ( 2 * prec ); //:51 //:74 abv 15 Jan 97: *2
850
851 if ( p0.Distance ( p1 ) <= precFin ) {// ou DGNR manquante ?
852 //rln S4135 singularity with precision = 2 * prec, but distance <= prec
853 //lack = mySurf->DegeneratedValues ( p1, prec, p2d1, p2d2, par1, par2, forward);
854 Standard_Real tmpPreci;
855 gp_Pnt tmpP3d;
856 Standard_Boolean tmpUIsoDeg;
857 //#77 rln S4135: using singularity which has minimum gap between singular point and input 3D point
858 Standard_Integer indMin = -1;
859 Standard_Real gapMin2 = RealLast();
860 for (Standard_Integer i = 1; i <= mySurf->NbSingularities (precVtx); i++) {
861 mySurf->Singularity (i, tmpPreci, tmpP3d, p2d1, p2d2, par1, par2, tmpUIsoDeg);
862 Standard_Real gap2 = p1.SquareDistance (tmpP3d);
863 if (gap2 <= precVtx * precVtx)
864 if (gapMin2 > gap2) {
865 gapMin2 = gap2;
866 indMin = i;
867 }
868 }
869 if (indMin >= 1) {
870 mySurf->Singularity (indMin, tmpPreci, tmpP3d, p2d1, p2d2, par1, par2, tmpUIsoDeg);
871 lack = Standard_True;
872 }
873 }
874
875 //rln S4135 if ( prec > myPrecision ) mySurf->ComputeSingularities ( myPrecision ); //:51
876 }
877
878 // voila, on a soit dgnr soit lack
879 if ( ! lack && ! dgnr ) {
880 //:abv 29.08.01: if singularity not detected but edge is marked
881 // as degenerated, report fail
882 if ( BRep_Tool::Degenerated ( E2 ) && ! sae.HasPCurve ( E2, Face() ) )
883 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
884 return Standard_False;
885 }
886
887 // OK, degenerated case detected; we will find its start and end in 2d
888
889 if ( lack ) forward = Standard_True;
890
891 //:24 by abv 28 Nov 97:
892 // make degenerative pcurve parametrized exactly from end of pcurve of the
893 // previous edge to the start of the next one
894 if ( lack || n1 != n2 ) { //:i8 abv 18 Sep 98: ProSTEP TR9 r0501-ug.stp #182180: single degedge is a wire at apex of a cone
895 Standard_Real a, b;
896 Handle(Geom2d_Curve) c2d;
897 if ( sae.PCurve ( E1, myFace, c2d, a, b, Standard_True ) ) {
898 p2d1 = c2d->Value ( b );
899 //#84 rln gp_Pnt2d p2d = c2d->Value ( b );
900 //#84 rln par1 = ( p2d.XY() - aP2d.XY() ) * theDir2d.XY();
901 }
902 else myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
903 //pdn pcurves (fixing regression in f0 in degenerated case)
904 if ( sae.PCurve ( ( dgnr ? E3 : E2 ), myFace, c2d, a, b, Standard_True ) ) {
905 p2d2 = c2d->Value ( a );
906 //#84 rln gp_Pnt2d p2d = c2d->Value ( a );
907 //#84 rln par2 = ( p2d.XY() - aP2d.XY() ) * theDir2d.XY();
908 }
909 else myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
910 }
911/*
912 if ( par2 < par1 ) {
913 par1 = -par1;
914 par2 = -par2;
915 theDir2d.Reverse();
916 }
917*/
918
919 //#84 rln 18.03.99 if pcurve is not degenerate anymore, the fix is postponned
920 //to ShapeFix_Wire::FixLacking
921 if ( ! mySurf->IsDegenerated ( p2d1, p2d2, precVtx, 10. ) ) { //:s1 abv 22 Apr 99: PRO7226 #489490 //smh#9
922 //:abv 24.05.02: OCC320 - fail (to remove edge) if two consequtive degenerated edges w/o pcurves
923 if ( BRep_Tool::Degenerated ( E2 ) )
924 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
925 return Standard_False;
926 }
927
928 //added by rln 18/12/97 CSR# CTS18544 entity 13638
929 //the situation when degenerated edge already exists but flag is not set
930 //(i.e. the parametric space is closed)
931 GeomAdaptor_Surface& Ads = mySurf->Adaptor3d()->ChangeSurface();
932 Standard_Real max = Max ( Ads.UResolution(myPrecision),
933 Ads.VResolution(myPrecision) );
934 if ( p2d1.Distance (p2d2) /*Abs (par1 - par2)*/ <= max + gp::Resolution() ) return Standard_False;
935
936 //#84 rln p2d1 = aP2d.XY() + par1 * theDir2d.XY();
937 //#84 rln p2d2 = aP2d.XY() + par2 * theDir2d.XY();
938 myStatus = ShapeExtend::EncodeStatus ( dgnr ? ShapeExtend_DONE2 : ShapeExtend_DONE1 );
939 return Standard_True;
940}
941
942//=======================================================================
943//function : CheckDegenerated
944//purpose :
945//=======================================================================
946
947Standard_Boolean ShapeAnalysis_Wire::CheckDegenerated (const Standard_Integer num)
948{
949 gp_Pnt2d p2d1, p2d2;
950 return CheckDegenerated ( num, p2d1, p2d2 );
951}
952
953//=======================================================================
954//function : CheckGap3d
955//purpose :
956//=======================================================================
957
958 Standard_Boolean ShapeAnalysis_Wire::CheckGap3d(const Standard_Integer num)
959{
960 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
961 //szv#4:S4163:12Mar99 optimized
962 if ( !IsLoaded() || NbEdges() < 1 ) return Standard_False; //szvsh was nbedges < 2
963 Standard_Integer n2 = ( num >0 ? num : NbEdges() );
964 Standard_Integer n1 = ( n2 >1 ? n2-1 : NbEdges() );
965 TopoDS_Edge E1 = myWire->Edge(n1);
966 TopoDS_Edge E2 = myWire->Edge(n2);
967 Standard_Real uf1,ul1,uf2,ul2;
968 Handle(Geom_Curve) C1,C2;
969 ShapeAnalysis_Edge SAE;
970 if (!SAE.Curve3d (E1,C1,uf1,ul1) || !SAE.Curve3d (E2,C2,uf2,ul2)) {
971 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
972 return Standard_False;
973 }
974 gp_Pnt p1 = C1->Value (ul1);
975 gp_Pnt p2 = C2->Value (uf2);
976 myMin3d = myMax3d = p1.Distance (p2);
977 if (myMin3d > myPrecision)
978 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
979 return LastCheckStatus (ShapeExtend_DONE);
980}
981
982//=======================================================================
983//function : CheckGap2d
984//purpose :
985//=======================================================================
986
987 Standard_Boolean ShapeAnalysis_Wire::CheckGap2d(const Standard_Integer num)
988{
989 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
990 //szv#4:S4163:12Mar99 optimized
991 if ( !IsReady() || NbEdges() < 1 ) return Standard_False; //szvsh was nbedges < 2
992 Standard_Integer n2 = ( num >0 ? num : NbEdges() );
993 Standard_Integer n1 = ( n2 >1 ? n2-1 : NbEdges() );
994 TopoDS_Edge E1 = myWire->Edge(n1);
995 TopoDS_Edge E2 = myWire->Edge(n2);
996 Standard_Real uf1,ul1,uf2,ul2;
997 Handle(Geom2d_Curve) C1,C2;
998 ShapeAnalysis_Edge SAE;
999 if (!SAE.PCurve (E1,myFace,C1,uf1,ul1) || !SAE.PCurve (E2,myFace,C2,uf2,ul2)) {
1000 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
1001 return Standard_False;
1002 }
1003 gp_Pnt2d p1 = C1->Value (ul1);
1004 gp_Pnt2d p2 = C2->Value (uf2);
1005 myMin2d = myMax2d = p1.Distance (p2);
1006 GeomAdaptor_Surface& SA = mySurf->Adaptor3d()->ChangeSurface();
1007 if (myMin2d > (Max (SA.UResolution (myPrecision), SA.VResolution (myPrecision)) + Precision::PConfusion()))
1008 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
1009 return LastCheckStatus (ShapeExtend_DONE);
1010}
1011
1012//=======================================================================
1013//function : CheckCurveGap
1014//purpose :
1015//=======================================================================
1016
1017 Standard_Boolean ShapeAnalysis_Wire::CheckCurveGap(const Standard_Integer num)
1018{
1019 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
1020 if ( !IsLoaded() || NbEdges() < 1 ) return Standard_False;
1021 Standard_Integer n = ( num >0 ? num : NbEdges() );
1022 TopoDS_Edge E = myWire->Edge(n);
1023 Standard_Real cuf,cul,pcuf,pcul;
1024 Handle(Geom_Curve) c;
1025 ShapeAnalysis_Edge SAE;
1026 if (!SAE.Curve3d (E,c,cuf,cul,Standard_False)) {
1027 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
1028 return Standard_False;
1029 }
1030 Handle(Geom2d_Curve) pc;
1031 if (!SAE.PCurve (E,myFace,pc,pcuf,pcul,Standard_False)) {
1032 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
1033 return Standard_False;
1034 }
1035 Handle(Geom2dAdaptor_HCurve) AC = new Geom2dAdaptor_HCurve(pc,pcuf,pcul);
1036 Handle(GeomAdaptor_HSurface) AS = new GeomAdaptor_HSurface(mySurf->Surface());
1037 Adaptor3d_CurveOnSurface ACS(AC,AS);
1038 gp_Pnt cpnt, pcpnt;
1039 Standard_Integer nbp = 45;
1040 Standard_Real dist, maxdist=0.;
1041 for (Standard_Integer i=0; i<nbp; i++) {
1042 cpnt = c->Value(cuf + i*(cul-cuf)/(nbp-1));
1043 pcpnt = ACS.Value(pcuf + i*(pcul-pcuf)/(nbp-1));
1044 dist = cpnt.SquareDistance(pcpnt);
1045 if (maxdist<dist) maxdist = dist;
1046 }
1047 myMin3d = myMax3d = Sqrt(maxdist);
1048 if (myMin3d > myPrecision)
1049 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
1050 return LastCheckStatus (ShapeExtend_DONE);
1051}
1052
1053//=======================================================================
1054//function : CheckSelfIntersectingEdge
1055//purpose :
1056//=======================================================================
1057
1058// auxiliary function
1059//:h0 abv 29 May 98: PRO10105 1949: like in BRepCheck, point is to be taken
1060// from 3d curve (but only if edge is SameParameter)
1061static gp_Pnt GetPointOnEdge ( const TopoDS_Edge &edge,
1062 const Handle(ShapeAnalysis_Surface) &surf,
1063 const Handle(Geom2d_Curve) &Crv2d,
1064 const Standard_Real param )
1065{
1066 if ( BRep_Tool::SameParameter ( edge ) ) {
1067 Standard_Real f,l;
1068 TopLoc_Location L;
1069 const Handle(Geom_Curve) ConS = BRep_Tool::Curve ( edge, L, f, l );
1070 if ( ! ConS.IsNull() )
1071 return ConS->Value ( param ).Transformed ( L.Transformation() );
1072 }
1073 return surf->Value ( Crv2d->Value ( param ) );
1074}
1075
1076//=======================================================================
1077//function : CheckSelfIntersectingEdge
1078//purpose :
1079//=======================================================================
1080
1081Standard_Boolean ShapeAnalysis_Wire::CheckSelfIntersectingEdge (const Standard_Integer num,
1082 IntRes2d_SequenceOfIntersectionPoint& points2d,
1083 TColgp_SequenceOfPnt& points3d)
1084{
1085 points2d.Clear();
1086 points3d.Clear();
1087 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
1088 if ( ! IsReady() ) return Standard_False;
1089
1090 TopoDS_Edge edge = WireData()->Edge ( num >0 ? num : NbEdges() );
1091 ShapeAnalysis_Edge sae;
1092
1093 Standard_Real a, b;
1094 Handle(Geom2d_Curve) Crv;
1095 if ( ! sae.PCurve ( edge, myFace, Crv, a, b, Standard_False ) ) {
1096 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
1097 return Standard_False;
1098 }
1099 if ( Abs ( a - b ) <= ::Precision::PConfusion() ) return Standard_False;
1100
1101 Standard_Real tolint = 1.0e-10;
1102 //szv#4:S4163:12Mar99 warning
1103 IntRes2d_Domain domain ( Crv->Value ( a ), a, tolint, Crv->Value ( b ), b, tolint );
1104 Geom2dAdaptor_Curve AC ( Crv );
1105 Geom2dInt_GInter Inter ( AC, domain, tolint, tolint );
1106
1107 if ( ! Inter.IsDone() ) return Standard_False;
1108
1109 TopoDS_Vertex V1 = sae.FirstVertex ( edge );
1110 TopoDS_Vertex V2 = sae.LastVertex ( edge );
1111 if ( V1.IsNull() || V2.IsNull() ) {
1112 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
1113 return Standard_False;
1114 }
1115 Standard_Real tol1 = BRep_Tool::Tolerance ( V1 );
1116 Standard_Real tol2 = BRep_Tool::Tolerance ( V2 );
1117
1118 gp_Pnt pnt1 = BRep_Tool::Pnt ( V1 );
1119 gp_Pnt pnt2 = BRep_Tool::Pnt ( V2 );
1120
1121 for ( Standard_Integer i=1; i <= Inter.NbPoints(); i++ ) {
1122 const IntRes2d_IntersectionPoint &IP = Inter.Point ( i );
1123 const IntRes2d_Transition &Tr1 = IP.TransitionOfFirst();
1124 const IntRes2d_Transition &Tr2 = IP.TransitionOfSecond();
1125 if ( Tr1.PositionOnCurve() != IntRes2d_Middle &&
1126 Tr2.PositionOnCurve() != IntRes2d_Middle ) continue;
1127 gp_Pnt pint = GetPointOnEdge ( edge, mySurf, Crv, IP.ParamOnFirst() );
1128 Standard_Real dist21 = pnt1.SquareDistance ( pint );
1129 Standard_Real dist22 = pnt2.SquareDistance ( pint );
1130 if ( dist21 > tol1 * tol1 && dist22 > tol2 * tol2 ) {
1131 points2d.Append ( IP );
1132 points3d.Append ( pint );
1133 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
1134 }
1135 }
1136
1137 return LastCheckStatus ( ShapeExtend_DONE );
1138}
1139
1140//=======================================================================
1141//function : CheckSelfIntersectingEdge
1142//purpose :
1143//=======================================================================
1144
1145Standard_Boolean ShapeAnalysis_Wire::CheckSelfIntersectingEdge (const Standard_Integer num)
1146{
1147 IntRes2d_SequenceOfIntersectionPoint points2d;
1148 TColgp_SequenceOfPnt points3d;
1149 return CheckSelfIntersectingEdge ( num, points2d, points3d );
1150}
1151
1152//=======================================================================
1153//function : CheckIntersectingEdges
1154//purpose : Test if two consequent edges are intersecting
1155// It is made in accordance with the following check in BRepCheck:
1156// - in BRepCheck_Wire::Orientation(), test for self-intersection
1157//=======================================================================
1158
1159Standard_Boolean ShapeAnalysis_Wire::CheckIntersectingEdges (const Standard_Integer num,
1160 IntRes2d_SequenceOfIntersectionPoint& points2d,
1161 TColgp_SequenceOfPnt& points3d,
1162 TColStd_SequenceOfReal& errors)
1163{
1164 points2d.Clear();
1165 points3d.Clear();
1166 errors.Clear();
1167 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
1168 if ( ! IsReady() || NbEdges() <2 ) return Standard_False;
1169
1170 //szv#4:S4163:12Mar99 optimized
1171 Standard_Integer n2 = (num > 0)? num : NbEdges();
1172 Standard_Integer n1 = (n2 > 1)? n2-1 : NbEdges();
1173 TopoDS_Edge edge1 = myWire->Edge ( n1 );
1174 TopoDS_Edge edge2 = myWire->Edge ( n2 );
1175
1176 ShapeAnalysis_Edge sae;
1177 TopoDS_Vertex V1 = sae.LastVertex ( edge1 );
1178 TopoDS_Vertex V2 = sae.FirstVertex ( edge2 );
1179 if ( V1.IsNull() || V2.IsNull() ) {
1180 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
1181 return Standard_False;
1182 }
1183 if ( ! BRepTools::Compare ( V1, V2 ) ) {
1184 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
1185 return Standard_False;
1186 }
1187
1188 TopoDS_Vertex Vp = sae.FirstVertex ( edge1 );
1189 TopoDS_Vertex Vn = sae.LastVertex ( edge2 );
1190
1191 Standard_Real a1, b1, a2, b2;
1192 Handle(Geom2d_Curve) Crv1, Crv2;
1193 if ( ! sae.PCurve ( edge1, myFace, Crv1, a1, b1, Standard_False ) ) {
1194 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
1195 return Standard_False;
1196 }
1197 if ( ! sae.PCurve ( edge2, myFace, Crv2, a2, b2, Standard_False ) ) {
1198 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
1199 return Standard_False;
1200 }
1201 if ( Abs ( a1 - b1 ) <= ::Precision::PConfusion() ||
1202 Abs ( a2 - b2 ) <= ::Precision::PConfusion() ) return Standard_False; //:f7 abv 6 May 98: BUC50070 on #42276
1203
1204 Standard_Boolean isForward1 = ( edge1.Orientation() == TopAbs_FORWARD );
1205 Standard_Boolean isForward2 = ( edge2.Orientation() == TopAbs_FORWARD );
1206
1207 Standard_Real tol0 = Max ( BRep_Tool::Tolerance ( V1 ), BRep_Tool::Tolerance ( V2 ) );
1208 Standard_Real tol = tol0;
1209
1210 gp_Pnt pnt = BRep_Tool::Pnt ( V1 );
1211
1212// Standard_Boolean Status = Standard_False;
1213
1214 Standard_Real tolint = 1.0e-10;
1215
1216 //szv#4:S4163:12Mar99 warning
1217 IntRes2d_Domain d1 ( Crv1->Value ( a1 ), a1, tolint,
1218 Crv1->Value ( b1 ), b1, tolint );
1219 IntRes2d_Domain d2 ( Crv2->Value ( a2 ), a2, tolint,
1220 Crv2->Value ( b2 ), b2, tolint );
1221 Geom2dAdaptor_Curve C1 ( Crv1 ), C2 ( Crv2 );
1222
1223 //:64 abv 25 Dec 97: Attention!
1224 // Since Intersection algorithm is not symmetrical, for consistency with BRepCheck
1225 // edge with lower order number shoud be intersecting with edge with higher one
1226 // i.e., for intersection of last and first edges, they should go in reversed order
1227 // Example: entity #38285 from bug CSR #CTS17806
1228 // NOTE: Tr1 and Tr2 are not reordered because they are used in the same manner
1229 Geom2dInt_GInter Inter;
1230 if ( num ==1 ) Inter.Perform ( C2, d2, C1, d1, tolint, tolint );
1231 else Inter.Perform ( C1, d1, C2, d2, tolint, tolint );
1232 if ( ! Inter.IsDone() ) return Standard_False;
1233
1234 //:86 abv 22 Jan 98: fix self-intersection even if tolerance of vertex is enough
1235 // to annihilate it. This is done to prevent wrong effects if vertex tolerance
1236 // will be decreased (e.g., in FixLacking)
1237 Standard_Real tole = Max ( ( BRep_Tool::SameParameter ( edge1 ) ?
1238 BRep_Tool::Tolerance ( edge1 ) : tol0 ),
1239 ( BRep_Tool::SameParameter ( edge2 ) ?
1240 BRep_Tool::Tolerance ( edge2 ) : tol0 ) );
1241 Standard_Real tolt = Min ( tol, Max ( tole, myPrecision ) );
1242 //Standard_Real prevRange1 = RealLast(), prevRange2 = RealLast(); //SK
1243 Standard_Integer isLacking = -1; //:l0 abv: CATIA01 #1727: protect against adding lacking
1244 //#83 rln 19.03.99 sim2.igs, entity 4292
1245 //processing also segments as in BRepCheck
1246 Standard_Integer NbPoints = Inter.NbPoints(), NbSegments = Inter.NbSegments();
1247 for ( Standard_Integer i=1; i <= NbPoints + NbSegments; i++ ) {
1248 IntRes2d_IntersectionPoint IP;
1249 IntRes2d_Transition Tr1, Tr2;
1250 if (i <= NbPoints)
1251 IP = Inter.Point ( i );
1252 else {
1253 const IntRes2d_IntersectionSegment &Seg = Inter.Segment ( i - NbPoints );
1254 if (!Seg.HasFirstPoint() || !Seg.HasLastPoint()) continue;
1255 IP = Seg.FirstPoint();
1256 Tr1 = IP.TransitionOfFirst();
1257 Tr2 = IP.TransitionOfSecond();
1258 if (Tr1.PositionOnCurve() == IntRes2d_Middle || Tr2.PositionOnCurve() == IntRes2d_Middle)
1259 IP = Seg.LastPoint();
1260 }
1261 Tr1 = IP.TransitionOfFirst();
1262 Tr2 = IP.TransitionOfSecond();
1263
1264 if ( Tr1.PositionOnCurve() != IntRes2d_Middle &&
1265 Tr2.PositionOnCurve() != IntRes2d_Middle ) continue;
1266 Standard_Real param1, param2;
1267 param1 = ( num ==1 ? IP.ParamOnSecond() : IP.ParamOnFirst() );
1268 param2 = ( num ==1 ? IP.ParamOnFirst() : IP.ParamOnSecond() );
1269
1270 //:r6 abv 8 Apr 99: r_47-sd.stp #173850: protect against working out of curve range
1271 if ( a1-param1 > ::Precision::PConfusion() ||
1272 param1-b1 > ::Precision::PConfusion() ||
1273 a2-param2 > ::Precision::PConfusion() ||
1274 param2-b2 > ::Precision::PConfusion() ) continue;
1275
1276 //:82 abv 21 Jan 98: point of intersection on Crv1 and Crv2 is different
1277 gp_Pnt pi1 = GetPointOnEdge ( edge1, mySurf, Crv1, param1 ); //:h0: thesurf.Value ( Crv1->Value ( param1 ) );
1278 gp_Pnt pi2 = GetPointOnEdge ( edge2, mySurf, Crv2, param2 ); //:h0: thesurf.Value ( Crv2->Value ( param2 ) );
1279 gp_Pnt pint = 0.5 * ( pi1.XYZ() + pi2.XYZ() );
1280 Standard_Real di1 = pi1.SquareDistance ( pnt );
1281 Standard_Real di2 = pi2.SquareDistance ( pnt );
1282 Standard_Real dist2 = Max ( di1, di2 );
1283
1284 //rln 03/02/98: CSR#BUC50004 entity 56 (to avoid later inserting lacking edge)
1285 if ( isLacking <0 ) { //:l0
1286 gp_Pnt2d end1 = Crv1->Value ( isForward1 ? b1 : a1 );
1287 gp_Pnt2d end2 = Crv2->Value ( isForward2 ? a2 : b2 );
1288//:l0 Standard_Real distab2 = mySurf->Value ( end1 ).SquareDistance ( mySurf->Value ( end2 ) );
1289 //:l0: test like in BRepCheck
1290 GeomAdaptor_Surface& Ads = mySurf->Adaptor3d()->ChangeSurface();
1291 Standard_Real tol2d = 2 * Max ( Ads.UResolution(tol), Ads.VResolution(tol) );
1292 isLacking = ( end1.SquareDistance(end2) >= tol2d * tol2d );
1293 }
1294
1295 if ( ( dist2 > tolt * tolt || //:86: tol -> tolt
1296 isLacking ) && //:l0
1297//:l0 distab2 > BRep_Tool::Tolerance ( edge1 ) + BRep_Tool::Tolerance ( edge2 ) ) && //rln
1298 ( ! BRepTools::Compare ( Vp, Vn ) || //:63
1299 dist2 < pint.SquareDistance ( BRep_Tool::Pnt ( Vp ) ) ) ) { //:63
1300 points2d.Append ( IP );
1301 points3d.Append ( pint );
1302 errors.Append ( 0.5 * pi1.Distance ( pi2 ) );
1303 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
1304 }
1305 }
1306
1307 return LastCheckStatus ( ShapeExtend_DONE );
1308}
1309
1310//=======================================================================
1311//function : CheckIntersectingEdges
1312//purpose :
1313//=======================================================================
1314
1315Standard_Boolean ShapeAnalysis_Wire::CheckIntersectingEdges (const Standard_Integer num)
1316{
1317 IntRes2d_SequenceOfIntersectionPoint points2d;
1318 TColgp_SequenceOfPnt points3d;
1319 TColStd_SequenceOfReal errors;
1320 return CheckIntersectingEdges ( num, points2d, points3d, errors );
1321}
1322
1323//=======================================================================
1324//function : CheckIntersectingEdges
1325//purpose :
1326//=======================================================================
1327
1328Standard_Boolean ShapeAnalysis_Wire::CheckIntersectingEdges(const Standard_Integer num1,
1329 const Standard_Integer num2,
1330 IntRes2d_SequenceOfIntersectionPoint& points2d,
1331 TColgp_SequenceOfPnt& points3d,
1332 TColStd_SequenceOfReal& errors)
1333{
1334 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
1335 if ( ! IsReady() ) return Standard_False;
1336 Handle(ShapeExtend_WireData) sbwd = WireData();
1337 Standard_Integer n2 = ( num2 >0 ? num2 : sbwd->NbEdges() );
1338 Standard_Integer n1 = ( num1 >0 ? num1 : sbwd->NbEdges() );
1339
1340 TopoDS_Edge edge1 = sbwd->Edge ( n1 );
1341 TopoDS_Edge edge2 = sbwd->Edge ( n2 );
1342
1343 ShapeAnalysis_Edge sae;
1344 Standard_Real a1, b1, a2, b2;
1345 Handle(Geom2d_Curve) Crv1, Crv2;
1346 if(!sae.PCurve ( edge1, myFace, Crv1, a1, b1, Standard_False )){
1347 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
1348 return Standard_False;
1349 }
1350
1351 if(!sae.PCurve ( edge2, myFace, Crv2, a2, b2, Standard_False )){
1352 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
1353 return Standard_False;
1354 }
1355
1356 if ( Abs ( a1 - b1 ) <= ::Precision::PConfusion() ||
1357 Abs ( a2 - b2 ) <= ::Precision::PConfusion() ) return Standard_False;
1358
1359 points2d.Clear();
1360 points3d.Clear();
1361 errors.Clear();
1362 TColgp_Array1OfPnt vertexPoints(1,4);
1363 TColStd_Array1OfReal vertexTolers(1,4);
1364 vertexPoints(1) = BRep_Tool::Pnt(sae.FirstVertex(edge1));
1365 vertexTolers(1) = BRep_Tool::Tolerance(sae.FirstVertex(edge1));
1366 vertexPoints(2) = BRep_Tool::Pnt(sae.LastVertex(edge1));
1367 vertexTolers(2) = BRep_Tool::Tolerance(sae.LastVertex(edge1));
1368 vertexPoints(3) = BRep_Tool::Pnt(sae.FirstVertex(edge2));
1369 vertexTolers(3) = BRep_Tool::Tolerance(sae.FirstVertex(edge2));
1370 vertexPoints(4) = BRep_Tool::Pnt(sae.LastVertex(edge2));
1371 vertexTolers(4) = BRep_Tool::Tolerance(sae.LastVertex(edge2));
1372
1373 Standard_Real tolint = 1.0e-10;
1374
1375 IntRes2d_Domain d1 ( Crv1->Value ( a1 ), a1, tolint,
1376 Crv1->Value ( b1 ), b1, tolint );
1377 IntRes2d_Domain d2 ( Crv2->Value ( a2 ), a2, tolint,
1378 Crv2->Value ( b2 ), b2, tolint );
1379 Geom2dAdaptor_Curve C1 ( Crv1 ), C2 ( Crv2 );
1380
1381 Geom2dInt_GInter Inter;
1382 Inter.Perform ( C1, d1, C2, d2, tolint, tolint );
1383 if ( ! Inter.IsDone() ) return Standard_False;
1384
1385 //#83 rln 19.03.99 sim2.igs, entity 4292
1386 //processing also segments as in BRepCheck
1387 Standard_Integer NbPoints = Inter.NbPoints(), NbSegments = Inter.NbSegments();
1388 for ( Standard_Integer i=1; i <= NbPoints + NbSegments; i++ ) {
1389 IntRes2d_IntersectionPoint IP;
1390 IntRes2d_Transition Tr1, Tr2;
1391 if (i <= NbPoints)
1392 IP = Inter.Point ( i );
1393 else {
1394 const IntRes2d_IntersectionSegment &Seg = Inter.Segment ( i - NbPoints );
1395 if (!Seg.HasFirstPoint() || !Seg.HasLastPoint()) continue;
1396 IP = Seg.FirstPoint();
1397 Tr1 = IP.TransitionOfFirst();
1398 Tr2 = IP.TransitionOfSecond();
1399 if (Tr1.PositionOnCurve() == IntRes2d_Middle || Tr2.PositionOnCurve() == IntRes2d_Middle)
1400 IP = Seg.LastPoint();
1401 }
1402 Tr1 = IP.TransitionOfFirst();
1403 Tr2 = IP.TransitionOfSecond();
1404 if ( Tr1.PositionOnCurve() != IntRes2d_Middle &&
1405 Tr2.PositionOnCurve() != IntRes2d_Middle ) continue;
1406 Standard_Real param1 = IP.ParamOnFirst();
1407 Standard_Real param2 = IP.ParamOnSecond();
1408 gp_Pnt pi1 = GetPointOnEdge ( edge1, mySurf, Crv1, param1 ); //:h0: thesurf.Value ( Crv1->Value ( param1 ) );
1409 gp_Pnt pi2 = GetPointOnEdge ( edge2, mySurf, Crv2, param2 );
1410 Standard_Boolean OK = Standard_False;
1411 for(Standard_Integer j=1; (j<=4)&&!OK; j++) {
1412 Standard_Real di1 = pi1.SquareDistance (vertexPoints(j));
1413 Standard_Real di2 = pi2.SquareDistance (vertexPoints(j));
1414 Standard_Real dist2 = Max ( di1, di2 );
1415 if(dist2 < vertexTolers(j) * vertexTolers(j))
1416 OK = Standard_True;
1417 }
1418 if(!OK) {
1419 gp_Pnt pint = 0.5 * ( pi1.XYZ() + pi2.XYZ() );
1420 points2d.Append ( IP );
1421 points3d.Append ( pint );
1422 errors.Append ( 0.5 * pi1.Distance ( pi2 ) );
1423 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
1424 }
1425 }
1426 return LastCheckStatus ( ShapeExtend_DONE );
1427}
1428
1429//=======================================================================
1430//function : CheckIntersectingEdges
1431//purpose :
1432//=======================================================================
1433
1434Standard_Boolean ShapeAnalysis_Wire::CheckIntersectingEdges (const Standard_Integer num1,
1435 const Standard_Integer num2)
1436{
1437 IntRes2d_SequenceOfIntersectionPoint points2d;
1438 TColgp_SequenceOfPnt points3d;
1439 TColStd_SequenceOfReal errors;
1440 return CheckIntersectingEdges(num1, num2, points2d, points3d, errors);
1441}
1442
1443//=======================================================================
1444//function : CheckLacking
1445//purpose : Test if two edges are disconnected in 2d according to the
1446// Adaptor_Surface::Resolution
1447//=======================================================================
1448
1449Standard_Boolean ShapeAnalysis_Wire::CheckLacking (const Standard_Integer num,
1450 const Standard_Real Tolerance,
1451 gp_Pnt2d &p2d1, gp_Pnt2d &p2d2)
1452{
1453 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
1454 if ( ! IsReady() ) return Standard_False;
1455
1456 //szv#4:S4163:12Mar99 optimized
1457 Standard_Integer n2 = (num > 0)? num : NbEdges();
1458 Standard_Integer n1 = (n2 > 1)? n2-1 : NbEdges();
1459 TopoDS_Edge E1 = myWire->Edge ( n1 );
1460 TopoDS_Edge E2 = myWire->Edge ( n2 );
1461
1462 ShapeAnalysis_Edge sae;
1463 TopoDS_Vertex V1 = sae.LastVertex ( E1 );
1464 TopoDS_Vertex V2 = sae.FirstVertex ( E2 );
1465 // CKY 4 MAR 1998 : protection against null vertex
1466 if ( V1.IsNull() || V2.IsNull() ) {
1467 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
1468 return Standard_False;
1469 }
1470 if ( ! BRepTools::Compare ( V1, V2 ) ) {
1471 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
1472 return Standard_False;
1473 }
1474
1475 Standard_Real a, b;
1476 gp_Vec2d v1, v2, v12;
1477 Handle(Geom2d_Curve) c2d;
1478 if ( ! sae.PCurve ( E1, myFace, c2d, a, b, Standard_True ) ) {
1479 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
1480 return Standard_False;
1481 }
1482 c2d->D1 ( b, p2d1, v1 );
1483 if ( E1.Orientation() == TopAbs_REVERSED ) v1.Reverse();
1484 if ( ! sae.PCurve ( E2, myFace, c2d, a, b, Standard_True ) ) {
1485 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
1486 return Standard_False;
1487 }
1488 c2d->D1 ( a, p2d2, v2 );
1489 if ( E2.Orientation() == TopAbs_REVERSED ) v2.Reverse();
1490 v12 = p2d2.XY() - p2d1.XY();
1491 myMax2d = v12.SquareMagnitude();
1492
1493 // test like in BRepCheck
1494 Standard_Real tol = Max ( BRep_Tool::Tolerance ( V1 ), BRep_Tool::Tolerance ( V2 ) );
1495 tol = ( Tolerance > gp::Resolution() && Tolerance < tol ? Tolerance : tol );
1496 GeomAdaptor_Surface& Ads = mySurf->Adaptor3d()->ChangeSurface();
1497 Standard_Real tol2d = 2 * Max ( Ads.UResolution(tol), Ads.VResolution(tol) );
1498 if ( // tol2d < gp::Resolution() || //#2 smh 26.03.99 S4163 Zero divide
1499 myMax2d < tol2d * tol2d ) return Standard_False;
1500
1501 myMax2d = Sqrt ( myMax2d );
1502 myMax3d = tol * myMax2d / Max ( tol2d, gp::Resolution() );
1503 myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 );
1504
1505 if ( myMax2d < Precision::PConfusion() || //:abv 03.06.02 CTS21866.stp
c6541a0c
D		 1506 ( v1.SquareMagnitude() > gp::Resolution() && Abs ( v12.Angle ( v1 ) ) > 0.9 * M_PI ) ||
1507 ( v2.SquareMagnitude() > gp::Resolution() && Abs ( v12.Angle ( v2 ) ) > 0.9 * M_PI ) )
7fd59977 1508 myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 );
1509 return Standard_True;
1510}
1511
1512//=======================================================================
1513//function : CheckLacking
1514//purpose :
1515//
1516//=======================================================================
1517
1518Standard_Boolean ShapeAnalysis_Wire::CheckLacking (const Standard_Integer num,
1519 const Standard_Real Tolerance)
1520{
1521 gp_Pnt2d p1, p2;
1522 return CheckLacking (num, Tolerance, p1, p2);
1523}
1524
1525//=======================================================================
1526//function : CheckOuterBound
1527//purpose :
1528//=======================================================================
1529
1530 Standard_Boolean ShapeAnalysis_Wire::CheckOuterBound(const Standard_Boolean APIMake)
1531{
1532 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
1533 if ( ! IsReady() ) return Standard_False;
1534
1535 TopoDS_Wire wire;
1536 if (APIMake) wire = myWire->WireAPIMake();
1537 else wire = myWire->Wire();
1538
1539 TopoDS_Shape sh = myFace.EmptyCopied(); //szv#4:S4163:12Mar99 SGI warns
1540 TopoDS_Face face = TopoDS::Face(sh);
1541 BRep_Builder B;
1542 B.Add (face, wire);
1543 if (ShapeAnalysis::IsOuterBound (face)) return Standard_False;
1544 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
1545 return Standard_True;
1546}
1547
1548//=======================================================================
1549//function : CheckNotchedEdges
1550//purpose :
1551//=======================================================================
1552
1553static Standard_Real ProjectInside(const Adaptor3d_CurveOnSurface AD,
1554 const gp_Pnt pnt,
1555 const Standard_Real preci,
1556 gp_Pnt& proj,
1557 Standard_Real& param,
1558 const Standard_Boolean adjustToEnds = Standard_True)
1559{
1560 ShapeAnalysis_Curve sac;
1561 Standard_Real dist = sac.Project(AD,pnt,preci,proj,param,adjustToEnds);
1562 Standard_Real uFirst = AD.FirstParameter();
1563 Standard_Real uLast = AD.LastParameter();
1564 if(param<uFirst) {
1565 param = uFirst;
1566 proj = AD.Value(uFirst);
1567 return proj.Distance(pnt);
1568 }
1569
1570 if(param>uLast) {
1571 param = uLast;
1572 proj = AD.Value(uLast);
1573 return proj.Distance(pnt);
1574 }
1575 return dist;
1576}
1577
1578Standard_Boolean ShapeAnalysis_Wire::CheckNotchedEdges(const Standard_Integer num,
1579 Standard_Integer& shortNum,
1580 Standard_Real& param,
1581 const Standard_Real Tolerance)
1582{
1583 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
1584 if ( ! IsReady() ) return Standard_False;
1585
1586 Standard_Integer n2 = (num > 0)? num : NbEdges();
1587 Standard_Integer n1 = (n2 > 1)? n2-1 : NbEdges();
1588 TopoDS_Edge E1 = myWire->Edge ( n1 );
1589 TopoDS_Edge E2 = myWire->Edge ( n2 );
1590
1591 if(BRep_Tool::Degenerated(E1)||BRep_Tool::Degenerated(E2))
1592 return Standard_False;
1593
1594 ShapeAnalysis_Edge sae;
1595 TopoDS_Vertex V1 = sae.LastVertex ( E1 );
1596 TopoDS_Vertex V2 = sae.FirstVertex ( E2 );
1597
1598 if ( V1.IsNull() || V2.IsNull() ) {
1599 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
1600 return Standard_False;
1601 }
1602 if ( ! BRepTools::Compare ( V1, V2 ) ) {
1603 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
1604 return Standard_False;
1605 }
1606
1607 Standard_Real a1, b1, a2, b2;
1608 gp_Pnt2d p2d1, p2d2;
1609 gp_Vec2d v1, v2;
1610 Handle(Geom2d_Curve) c2d1, c2d2;
1611 if ( ! sae.PCurve ( E1, myFace, c2d1, a1, b1, Standard_False ) ) {
1612 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
1613 return Standard_False;
1614 }
1615
1616 if(E1.Orientation()==TopAbs_REVERSED)
1617 c2d1->D1 ( a1, p2d1, v1 );
1618 else {
1619 c2d1->D1 ( b1, p2d1, v1 );
1620 v1.Reverse();
1621 }
1622
1623 if ( ! sae.PCurve ( E2, myFace, c2d2, a2, b2, Standard_False ) ) {
1624 myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
1625 return Standard_False;
1626 }
1627 if(E2.Orientation()==TopAbs_REVERSED) {
1628 c2d2->D1 ( b2, p2d2, v2 );
1629 v2.Reverse();
1630 }
1631 else
1632 c2d2->D1 ( a2, p2d2, v2 );
1633
1634 if ( v2.Magnitude() < gp::Resolution() || v1.Magnitude() < gp::Resolution())
1635 return Standard_False;
1636
1637 if ( Abs ( v2.Angle ( v1 ) ) > 0.1 || p2d1.Distance(p2d2) > Tolerance)
1638 return Standard_False;
1639
1640 Handle(Geom2dAdaptor_HCurve) AC2d1 = new Geom2dAdaptor_HCurve(c2d1,a1,b1);
1641 Handle(GeomAdaptor_HSurface) AdS1 = new GeomAdaptor_HSurface(new Geom_Plane(gp_Pln()));
1642 Adaptor3d_CurveOnSurface Ad1(AC2d1,AdS1);
1643
1644 Handle(Geom2dAdaptor_HCurve) AC2d2 = new Geom2dAdaptor_HCurve(c2d2,a2,b2);
1645 Handle(GeomAdaptor_HSurface) AdS2 = new GeomAdaptor_HSurface(new Geom_Plane(gp_Pln()));
1646 Adaptor3d_CurveOnSurface Ad2(AC2d2,AdS2);
1647
1648 Adaptor3d_CurveOnSurface longAD, shortAD;
1649 Standard_Real lenP, firstP;
1650
1651 ShapeAnalysis_Curve sac;
1652
1653 gp_Pnt Proj1, Proj2;
bbf32d01 1654 Standard_Real param1 = 0., param2 = 0.;
7fd59977 1655 p2d2=c2d2->Value(E2.Orientation()==TopAbs_FORWARD ? b2 : a2);
1656 p2d1=c2d1->Value(E1.Orientation()==TopAbs_FORWARD ? a1 : b1);
1657 Standard_Real dist1 = ProjectInside(Ad1,gp_Pnt(p2d2.X(),p2d2.Y(),0),Tolerance,Proj1,param1,Standard_False);
1658 Standard_Real dist2 = ProjectInside(Ad2,gp_Pnt(p2d1.X(),p2d1.Y(),0),Tolerance,Proj2,param2,Standard_False);
1659
1660 if ( dist1 > Tolerance && dist2 > Tolerance)
1661 return Standard_False;
1662
1663 if (dist1 < dist2 ) {
1664 shortAD = Ad2;
1665 longAD = Ad1;
1666 lenP = b2 - a2;
1667 firstP = a2;
1668 shortNum=n2;
1669 param=param1;
1670
1671 }
1672 else {
1673 shortAD = Ad1;
1674 longAD = Ad2;
1675 lenP = b1 - a1;
1676 firstP = a1;
1677 shortNum=n1;
1678 param=param2;
1679 }
1680
1681 Standard_Real step = lenP/23;
1682 for (Standard_Integer i = 1; i < 23; i++,firstP+=step) {
1683 Standard_Real d1 = sac.Project(longAD,shortAD.Value(firstP),Tolerance,Proj1,param1);
1684 if (d1 > Tolerance) {
1685 return Standard_False;
1686 }
1687 }
1688
1689 return Standard_True;
1690}
1691
1692//=======================================================================
1693//function : CheckSmallArea
1694//purpose :
1695//=======================================================================
1696
1697Standard_Boolean ShapeAnalysis_Wire::CheckSmallArea(const Standard_Real prec2d)
1698{
1699 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
1700 Standard_Integer NbEdges = myWire->NbEdges();
1701 if ( !IsReady() || NbEdges <1 ) return Standard_False;
1702 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
1703
1704 Standard_Integer NbControl=23;
1705 Standard_Real area=0;
1706 gp_XY prev, cont;
1707 for (Standard_Integer nbe = 1; nbe <= NbEdges; nbe++) {
1708 Standard_Real First, Last;
1709 Handle(Geom2d_Curve) c2d;
1710 ShapeAnalysis_Edge sae;
1711 if (!sae.PCurve(myWire->Edge(nbe),myFace,c2d,First,Last)) {
1712 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
1713 return Standard_False;
1714 }
1715
1716 Standard_Integer ibeg = 0;
1717 if( nbe == 1 ) {
1718 gp_Pnt2d pntIni = c2d->Value(First);
1719 prev = pntIni.XY();
1720 cont = prev;
1721 ibeg = 1;
1722 }
1723 for ( Standard_Integer i = ibeg; i < NbControl; i++) {
1724 Standard_Real prm = ((NbControl-1-i)*First + i*Last)/(NbControl-1);
1725 gp_Pnt2d pntCurr = c2d->Value(prm);
1726 gp_XY curr = pntCurr.XY();
1727 area += curr ^ prev;
1728 prev = curr;
1729 }
1730 }
1731 area += cont ^ prev;
1732 if ( Abs(area) < 2*prec2d*prec2d ) {
1733 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
1734 return Standard_True;
1735 }
1736 return Standard_False;
1737}
1738
1739//=======================================================================
1740//function : CheckShapeConnect
1741//purpose :
1742//=======================================================================
1743
1744 Standard_Boolean ShapeAnalysis_Wire::CheckShapeConnect(const TopoDS_Shape& shape,const Standard_Real prec)
1745{
1746 Standard_Real tailhead, tailtail, headhead, headtail;
1747 return CheckShapeConnect (tailhead, tailtail, headtail, headhead, shape, prec);
1748}
1749
1750//=======================================================================
1751//function : CheckShapeConnect
1752//purpose :
1753//=======================================================================
1754
1755 Standard_Boolean ShapeAnalysis_Wire::CheckShapeConnect(Standard_Real& tailhead, Standard_Real& tailtail,
1756 Standard_Real& headtail, Standard_Real& headhead,
1757 const TopoDS_Shape& shape, const Standard_Real prec)
1758{
1759 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
1760 if (!IsLoaded () || shape.IsNull()) return Standard_False;
1761 TopoDS_Vertex V1,V2;
1762 TopoDS_Edge E; TopoDS_Wire W;
1763 ShapeAnalysis_Edge SAE;
1764 if (shape.ShapeType() == TopAbs_EDGE) {
1765 E = TopoDS::Edge (shape);
1766 V1 = SAE.FirstVertex (E); V2 = SAE.LastVertex (E);
1767 } else if (shape.ShapeType() == TopAbs_WIRE) {
1768 W = TopoDS::Wire (shape);
1769 ShapeAnalysis::FindBounds (W,V1,V2);
1770 }
1771 else return Standard_False;
1772 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
1773// on va comparer les points avec ceux de thevfirst et thevlast
1774 gp_Pnt p1 = BRep_Tool::Pnt(V1);
1775 gp_Pnt p2 = BRep_Tool::Pnt(V2);
1776
1777 TopoDS_Vertex vfirst = SAE.FirstVertex (myWire->Edge (1)),
1778 vlast = SAE.LastVertex (myWire->Edge (NbEdges()));
1779 gp_Pnt pf = BRep_Tool::Pnt(vfirst);
1780 gp_Pnt pl = BRep_Tool::Pnt(vlast);
1781
1782 tailhead = p1.Distance(pl);
1783 tailtail = p2.Distance(pl);
1784 headhead = p1.Distance(pf);
1785 headtail = p2.Distance(pf);
1786 Standard_Real dm1 = tailhead, dm2 = headtail;
1787 Standard_Integer res1 = 0, res2 = 0;
1788
1789 if (tailhead > tailtail) {res1 = 1; dm1 = tailtail;}
1790 if (headtail > headhead) {res2 = 1; dm2 = headhead;}
1791 Standard_Integer result = res1;
1792 myMin3d = Min (dm1, dm2);
1793 myMax3d = Max (dm1, dm2);
1794 if (dm1 > dm2) {dm1 = dm2; result = res2 + 2;}
1795 switch (result) {
1796 case 1: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE2); break;
1797 case 2: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE3); break;
1798 case 3: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE4); break;
1799 }
1800 if (!res1) myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_DONE5);
1801 if (!res2) myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_DONE6);
1802
1803 if (myMin3d > Max (myPrecision, prec))
1804 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
1805 return LastCheckStatus (ShapeExtend_DONE);
1806}
1807
1808//=======================================================================
1809//function : CheckLoop
1810//purpose :
1811//=======================================================================
1812Standard_Boolean isMultiVertex(const TopTools_ListOfShape& alshape,
1813 const TopTools_MapOfShape& aMapSmallEdges,
1814 const TopTools_MapOfShape& aMapSeemEdges)
1815{
1816 TopTools_ListIteratorOfListOfShape lIt1(alshape);
1817 Standard_Integer nbNotAccount =0;
1818
1819 for( ; lIt1.More() ; lIt1.Next())
1820 {
1821 if(aMapSmallEdges.Contains(lIt1.Value()))
1822 nbNotAccount++;
1823 else if(aMapSeemEdges.Contains(lIt1.Value()))
1824 nbNotAccount++;
1825 }
1826 return ((alshape.Extent() -nbNotAccount) >2);
1827}
1828 Standard_Boolean ShapeAnalysis_Wire::CheckLoop(TopTools_IndexedMapOfShape& aMapLoopVertices,
1829 TopTools_DataMapOfShapeListOfShape& aMapVertexEdges,
1830 TopTools_MapOfShape& aMapSmallEdges,
1831 TopTools_MapOfShape& aMapSeemEdges)
1832{
1833 myStatus = ShapeExtend::EncodeStatus(ShapeExtend_OK);
1834 if (!IsLoaded() || NbEdges() < 2) return Standard_False;
1835 Standard_Real aSavPreci = Precision();
1836 SetPrecision(Precision::Infinite());
1837 Standard_Integer i =1;
1838
1839 for( ; i <= myWire->NbEdges(); i++) {
1840 TopoDS_Edge aedge = myWire->Edge(i);
1841 TopoDS_Vertex aV1,aV2;
1842 TopExp::Vertices(aedge,aV1,aV2);
1843 Standard_Boolean isSame = aV1.IsSame(aV2);
1844 if(myWire->IsSeam(i))
1845 aMapSeemEdges.Add(aedge); ///continue;
1846 else if(BRep_Tool::Degenerated(aedge))
1847 aMapSmallEdges.Add(aedge);
1848 else if(isSame && CheckSmall(i,BRep_Tool::Tolerance(aV1)))
1849 aMapSmallEdges.Add(aedge);
1850
1851 if(!aMapVertexEdges.IsBound(aV1)) {
1852 TopTools_ListOfShape alshape;
1853 aMapVertexEdges.Bind(aV1,alshape);
1854 }
1855 if(!aMapVertexEdges.IsBound(aV2)) {
1856 TopTools_ListOfShape alshape;
1857 aMapVertexEdges.Bind(aV2,alshape);
1858 }
1859 if(isSame)
1860 {
1861 TopTools_ListOfShape& alshape = aMapVertexEdges.ChangeFind(aV1);
1862 alshape.Append(aedge);
1863 alshape.Append(aedge);
1864 if(alshape.Extent() >2 && isMultiVertex( alshape,aMapSmallEdges,aMapSeemEdges))
1865 aMapLoopVertices.Add(aV1);
1866 }
1867 else {
1868 TopTools_ListOfShape& alshape = aMapVertexEdges.ChangeFind(aV1);
1869 alshape.Append(aedge);
1870 if(alshape.Extent() >2 && isMultiVertex( alshape,aMapSmallEdges,aMapSeemEdges))
1871 aMapLoopVertices.Add(aV1);
1872 TopTools_ListOfShape& alshape2 = aMapVertexEdges.ChangeFind(aV2);
1873 alshape2.Append(aedge);
1874 if(alshape2.Extent() >2 && isMultiVertex( alshape2,aMapSmallEdges,aMapSeemEdges))
1875 aMapLoopVertices.Add(aV2);
1876 }
1877 }
1878 SetPrecision(aSavPreci);
1879 if(aMapLoopVertices.Extent())
1880 {
1881 myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
1882 myStatusLoop |= myStatus;
1883 return Standard_True;
1884 }
1885 return Standard_False;
1886}
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