1 // Created on: 1997-11-21
2 // Created by: Philippe MANGIN
3 // Copyright (c) 1997-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and / or modify it
9 // under the terms of the GNU Lesser General Public version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 // Modified by skv - Fri Feb 6 11:44:48 2004 OCC5073
19 #include <GeomFill_Sweep.ixx>
20 #include <GeomFill_SweepFunction.hxx>
21 #include <GeomFill_LocFunction.hxx>
23 #include <Standard_ErrorHandler.hxx>
25 #include <gp_Pnt2d.hxx>
26 #include <gp_Dir2d.hxx>
30 #include <gp_Circ.hxx>
31 #include <gp_GTrsf.hxx>
35 #include <TColgp_Array1OfPnt.hxx>
36 #include <TColgp_Array2OfPnt.hxx>
37 #include <TColgp_HArray2OfPnt.hxx>
38 //#include <GeomLib_Array1OfMat.hxx>
39 #include <TColStd_Array1OfInteger.hxx>
40 #include <TColStd_Array1OfReal.hxx>
41 #include <TColStd_Array2OfReal.hxx>
43 #include <GeomAbs_CurveType.hxx>
44 #include <GeomAdaptor_Curve.hxx>
45 #include <GeomLib.hxx>
47 #include <Geom2d_Line.hxx>
48 #include <Geom2d_BSplineCurve.hxx>
49 #include <Geom2d_TrimmedCurve.hxx>
51 #include <Geom_Circle.hxx>
52 #include <Geom_Line.hxx>
53 #include <Geom_BSplineSurface.hxx>
54 #include <Geom_Plane.hxx>
55 #include <Geom_SurfaceOfLinearExtrusion.hxx>
56 #include <Geom_CylindricalSurface.hxx>
57 #include <Geom_ConicalSurface.hxx>
58 #include <Geom_ToroidalSurface.hxx>
59 #include <Geom_SphericalSurface.hxx>
60 #include <Geom_SurfaceOfRevolution.hxx>
61 #include <Geom_RectangularTrimmedSurface.hxx>
63 #include <Approx_SweepApproximation.hxx>
64 #include <AdvApprox_PrefAndRec.hxx>
65 #include <AdvApprox_ApproxAFunction.hxx>
66 #include <GeomConvert_ApproxSurface.hxx>
68 #include <Precision.hxx>
71 //=======================================================================
72 //class : GeomFill_Sweep_Eval
73 //purpose: The evaluator for curve approximation
74 //=======================================================================
76 class GeomFill_Sweep_Eval : public AdvApprox_EvaluatorFunction
79 GeomFill_Sweep_Eval (GeomFill_LocFunction& theTool)
80 : theAncore(theTool) {}
82 virtual void Evaluate (Standard_Integer *Dimension,
83 Standard_Real StartEnd[2],
84 Standard_Real *Parameter,
85 Standard_Integer *DerivativeRequest,
86 Standard_Real *Result, // [Dimension]
87 Standard_Integer *ErrorCode);
90 GeomFill_LocFunction& theAncore;
93 void GeomFill_Sweep_Eval::Evaluate (Standard_Integer *,/*Dimension*/
94 Standard_Real StartEnd[2],
95 Standard_Real *Parameter,
96 Standard_Integer *DerivativeRequest,
97 Standard_Real *Result,// [Dimension]
98 Standard_Integer *ErrorCode)
100 theAncore.DN (*Parameter,
108 //===============================================================
111 //===============================================================
112 GeomFill_Sweep::GeomFill_Sweep(const Handle(GeomFill_LocationLaw)& Location,
113 const Standard_Boolean WithKpart)
115 done = Standard_False;
120 myForceApproxC1 = Standard_False;
122 myLoc->GetDomain(First, Last);
123 SFirst = SLast = 30.081996;
127 //===============================================================
128 // Function : SetDomain
130 //===============================================================
131 void GeomFill_Sweep::SetDomain(const Standard_Real LocFirst,
132 const Standard_Real LocLast,
133 const Standard_Real SectionFirst,
134 const Standard_Real SectionLast)
138 SFirst = SectionFirst;
142 //===============================================================
143 // Function : SetTolerance
145 //===============================================================
146 void GeomFill_Sweep::SetTolerance(const Standard_Real Tolerance3d,
147 const Standard_Real BoundTolerance,
148 const Standard_Real Tolerance2d,
149 const Standard_Real ToleranceAngular)
152 BoundTol = BoundTolerance;
154 TolAngular = ToleranceAngular;
157 //=======================================================================
158 //Function : SetForceApproxC1
159 //Purpose : Set the flag that indicates attempt to approximate
160 // a C1-continuous surface if a swept surface proved
162 //=======================================================================
163 void GeomFill_Sweep::SetForceApproxC1(const Standard_Boolean ForceApproxC1)
165 myForceApproxC1 = ForceApproxC1;
169 //===============================================================
170 // Function : ExchangeUV
172 //===============================================================
173 Standard_Boolean GeomFill_Sweep::ExchangeUV() const
178 //===============================================================
179 // Function : UReversed
181 //===============================================================
182 Standard_Boolean GeomFill_Sweep::UReversed() const
187 //===============================================================
188 // Function : VReversed
190 //===============================================================
191 Standard_Boolean GeomFill_Sweep::VReversed() const
196 //===============================================================
199 //===============================================================
200 void GeomFill_Sweep::Build(const Handle(GeomFill_SectionLaw)& Section,
201 const GeomFill_ApproxStyle Methode,
202 const GeomAbs_Shape Continuity,
203 const Standard_Integer Degmax,
204 const Standard_Integer Segmax)
207 done = Standard_False;
208 myExchUV = Standard_False;
209 isUReversed = isVReversed = Standard_False;
212 if ((SFirst == SLast) && (SLast == 30.081996)) {
213 mySec->GetDomain(SFirst, SLast);
216 Standard_Boolean isKPart = Standard_False,
217 isProduct = Standard_False;
219 // Traitement des KPart
220 if (myKPart) isKPart = BuildKPart();
222 // Traitement des produits Formelles
223 if ((!isKPart) && (Methode == GeomFill_Location)) {
224 Handle(Geom_BSplineSurface) BS;
225 BS = mySec->BSplineSurface();
228 // isProduct = BuildProduct(Continuity, Degmax, Segmax);
232 if (isKPart || isProduct) {
234 done = Build2d(Continuity, Degmax, Segmax);
238 done = BuildAll(Continuity, Degmax, Segmax);
242 //===============================================================
243 // Function ::Build2d
244 // Purpose :A venir...
245 //===============================================================
246 // Standard_Boolean GeomFill_Sweep::Build2d(const GeomAbs_Shape Continuity,
247 Standard_Boolean GeomFill_Sweep::Build2d(const GeomAbs_Shape ,
248 // const Standard_Integer Degmax,
249 const Standard_Integer ,
250 // const Standard_Integer Segmax)
251 const Standard_Integer )
253 Standard_Boolean Ok = Standard_False;
254 if (myLoc->Nb2dCurves() == 0) {
260 //===============================================================
261 // Function : BuildAll
263 //===============================================================
264 Standard_Boolean GeomFill_Sweep::BuildAll(const GeomAbs_Shape Continuity,
265 const Standard_Integer Degmax,
266 const Standard_Integer Segmax)
268 Standard_Boolean Ok = Standard_False;
270 Handle(GeomFill_SweepFunction) Func
271 = new (GeomFill_SweepFunction) (mySec, myLoc, First, SFirst,
272 (SLast-SFirst)/(Last-First) );
273 Approx_SweepApproximation Approx( Func );
275 Approx.Perform(First, Last,
276 Tol3d, BoundTol, Tol2d, TolAngular,
277 Continuity, Degmax, Segmax);
279 if (Approx.IsDone()) {
287 Standard_Integer UDegree,VDegree,NbUPoles,
288 NbVPoles,NbUKnots,NbVKnots;
289 Approx.SurfShape(UDegree,VDegree,NbUPoles,
290 NbVPoles,NbUKnots,NbVKnots);
292 TColgp_Array2OfPnt Poles(1,NbUPoles, 1,NbVPoles);
293 TColStd_Array2OfReal Weights(1,NbUPoles, 1,NbVPoles);
294 TColStd_Array1OfReal UKnots(1, NbUKnots),VKnots(1, NbVKnots);
295 TColStd_Array1OfInteger UMults(1, NbUKnots), VMults(1, NbVKnots);
297 Approx.Surface(Poles, Weights,
301 mySurface = new (Geom_BSplineSurface)
305 Approx.UDegree(), Approx.VDegree(),
306 mySec->IsUPeriodic());
307 SError = Approx. MaxErrorOnSurf();
309 if (myForceApproxC1 && !mySurface->IsCNv(1))
311 Standard_Real theTol = 1.e-4;
312 GeomAbs_Shape theUCont = GeomAbs_C1, theVCont = GeomAbs_C1;
313 Standard_Integer degU = 14, degV = 14;
314 Standard_Integer nmax = 16;
315 Standard_Integer thePrec = 1;
317 GeomConvert_ApproxSurface ConvertApprox(mySurface,theTol,theUCont,theVCont,
318 degU,degV,nmax,thePrec);
319 if (ConvertApprox.HasResult())
321 mySurface = ConvertApprox.Surface();
322 myCurve2d = new (TColGeom2d_HArray1OfCurve) (1, 2);
323 CError = new (TColStd_HArray2OfReal) (1,2, 1,2);
325 const Handle(Geom_BSplineSurface)& BSplSurf =
326 Handle(Geom_BSplineSurface)::DownCast(mySurface);
329 gp_Pnt2d P(BSplSurf->UKnot(1), 0);
330 Handle(Geom2d_Line) LC1 = new (Geom2d_Line) (P, D);
331 Handle(Geom2d_TrimmedCurve) TC1 =
332 new (Geom2d_TrimmedCurve) (LC1, 0, BSplSurf->VKnot(BSplSurf->NbVKnots()));
334 myCurve2d->SetValue(1, TC1);
335 CError->SetValue(1, 1, 0.);
336 CError->SetValue(2, 1, 0.);
338 P.SetCoord(BSplSurf->UKnot(BSplSurf->NbUKnots()), 0);
339 Handle(Geom2d_Line) LC2 = new (Geom2d_Line) (P, D);
340 Handle(Geom2d_TrimmedCurve) TC2 =
341 new (Geom2d_TrimmedCurve) (LC2, 0, BSplSurf->VKnot(BSplSurf->NbVKnots()));
343 myCurve2d->SetValue(myCurve2d->Length(), TC2);
344 CError->SetValue(1, myCurve2d->Length(), 0.);
345 CError->SetValue(2, myCurve2d->Length(), 0.);
349 } //if (!mySurface->IsCNv(1))
352 if (myCurve2d.IsNull())
354 myCurve2d = new (TColGeom2d_HArray1OfCurve) (1, 2+myLoc->TraceNumber());
355 CError = new (TColStd_HArray2OfReal) (1,2, 1, 2+myLoc->TraceNumber());
356 Standard_Integer kk,ii, ifin = 1, ideb;
358 if (myLoc->HasFirstRestriction()) {
364 ifin += myLoc->TraceNumber();
365 if (myLoc->HasLastRestriction()) ifin++;
367 for (ii=ideb, kk=1; ii<=ifin; ii++, kk++) {
368 Handle(Geom2d_BSplineCurve) C
369 = new (Geom2d_BSplineCurve) (Approx.Curve2dPoles(kk),
370 Approx.Curves2dKnots(),
371 Approx.Curves2dMults(),
372 Approx.Curves2dDegree());
373 myCurve2d->SetValue(ii, C);
374 CError->SetValue(1, ii, Approx.Max2dError(kk));
375 CError->SetValue(2, ii, Approx.Max2dError(kk));
378 // Si les courbes de restriction, ne sont pas calcules, on prend
380 if (! myLoc->HasFirstRestriction()) {
382 gp_Pnt2d P(UKnots(UKnots.Lower()), 0);
383 Handle(Geom2d_Line) LC = new (Geom2d_Line) (P, D);
384 Handle(Geom2d_TrimmedCurve) TC = new (Geom2d_TrimmedCurve)
387 myCurve2d->SetValue(1, TC);
388 CError->SetValue(1, 1, 0.);
389 CError->SetValue(2, 1, 0.);
392 if (! myLoc->HasLastRestriction()) {
394 gp_Pnt2d P(UKnots(UKnots.Upper()), 0);
395 Handle(Geom2d_Line) LC = new (Geom2d_Line) (P, D);
396 Handle(Geom2d_TrimmedCurve) TC =
397 new (Geom2d_TrimmedCurve) (LC, First, Last);
398 myCurve2d->SetValue(myCurve2d->Length(), TC);
399 CError->SetValue(1, myCurve2d->Length(), 0.);
400 CError->SetValue(2, myCurve2d->Length(), 0.);
402 } //if (myCurve2d.IsNull())
407 //===============================================================
408 // Function : BuildProduct
409 // Purpose : A venir...
410 //===============================================================
411 Standard_Boolean GeomFill_Sweep::BuildProduct(const GeomAbs_Shape Continuity,
412 const Standard_Integer Degmax,
413 const Standard_Integer Segmax)
415 Standard_Boolean Ok = Standard_False;
417 Handle(Geom_BSplineSurface) BSurf;
418 BSurf = Handle(Geom_BSplineSurface)::DownCast(
419 mySec->BSplineSurface()->Copy());
420 if (BSurf.IsNull()) return Ok; // Ce mode de construction est impossible
423 Standard_Integer NbIntervalC2, NbIntervalC3;
424 GeomFill_LocFunction Func(myLoc);
426 NbIntervalC2 = myLoc->NbIntervals(GeomAbs_C2);
427 NbIntervalC3 = myLoc->NbIntervals(GeomAbs_C3);
428 TColStd_Array1OfReal Param_de_decoupeC2 (1, NbIntervalC2+1);
429 myLoc->Intervals(Param_de_decoupeC2, GeomAbs_C2);
430 TColStd_Array1OfReal Param_de_decoupeC3 (1, NbIntervalC3+1);
431 myLoc->Intervals(Param_de_decoupeC3, GeomAbs_C3);
434 AdvApprox_PrefAndRec Preferentiel(Param_de_decoupeC2,
437 Handle(TColStd_HArray1OfReal) ThreeDTol = new (TColStd_HArray1OfReal) (1,4);
438 ThreeDTol->Init(Tol3d); // A Affiner...
440 GeomFill_Sweep_Eval eval (Func);
441 AdvApprox_ApproxAFunction Approx(0, 0, 4,
456 Ok = Approx.HasResult();
458 /* TColgp_Array1OfMat TM(1, nbpoles);
459 Handle(TColgp_HArray2OfPnt) ResPoles;
460 ResPoles = Approx.Poles();
463 for (ii=1; ii<=nbpoles; ii++) {
464 TM(ii).SetCols(ResPoles->Value(ii,2).XYZ(),
465 ResPoles->Value(ii,3).XYZ(),
466 ResPoles->Value(ii,4).XYZ());
467 TR(ii) = ResPoles->Value(ii,1);
469 GeomLib::TensorialProduct(BSurf, TM, TR,
470 Approx.Knots()->Array1(),
471 Approx.Multiplicities()->Array1());
474 TColgp_Array1OfPnt TPoles(1, nbpoles);
475 for (ii=1; ii<=nbpoles; ii++) {
476 TPoles(ii) = ResPoles->Value(ii,1);
478 Handle(Geom_BsplineCurve) BS =
479 new (Geom_BsplineCurve) (Poles,
480 Approx.Knots()->Array1(),
481 Approx.Multiplicities()->Array1(),
483 for (ii=1; ii<=BSurf->NbVKnots(); ii++)
484 BS->InsertKnot( BSurf->VKnot(ii),
485 BSurf->VMultiplicity(ii),
486 Precision::Confusion());
487 TColgp_Array2OfPnt SurfPoles (1, BSurf->NbUPoles());
496 // Modified by skv - Thu Feb 5 18:05:03 2004 OCC5073 Begin
498 // * theSec should be constant
499 // * the type of section should be a line
500 // * theLoc should represent a translation.
502 static Standard_Boolean IsSweepParallelSpine (const Handle(GeomFill_LocationLaw) &theLoc,
503 const Handle(GeomFill_SectionLaw) &theSec,
504 const Standard_Real theTol)
506 // Get the first and last transformations of the location
507 Standard_Real aFirst;
517 theLoc->GetDomain(aFirst, aLast);
519 // Get the first transformation
520 theLoc->D0(aFirst, M, VBegin);
522 GTfBegin.SetVectorialPart(M);
523 GTfBegin.SetTranslationPart(VBegin.XYZ());
525 TfBegin.SetValues(GTfBegin(1,1), GTfBegin(1,2), GTfBegin(1,3), GTfBegin(1,4),
526 GTfBegin(2,1), GTfBegin(2,2), GTfBegin(2,3), GTfBegin(2,4),
527 GTfBegin(3,1), GTfBegin(3,2), GTfBegin(3,3), GTfBegin(3,4),
530 // Get the last transformation
531 theLoc->D0(aLast, M, VEnd);
533 GTfEnd.SetVectorialPart(M);
534 GTfEnd.SetTranslationPart(VEnd.XYZ());
536 TfEnd.SetValues(GTfEnd(1,1), GTfEnd(1,2), GTfEnd(1,3), GTfEnd(1,4),
537 GTfEnd(2,1), GTfEnd(2,2), GTfEnd(2,3), GTfEnd(2,4),
538 GTfEnd(3,1), GTfEnd(3,2), GTfEnd(3,3), GTfEnd(3,4),
541 Handle(Geom_Surface) aSurf = theSec->BSplineSurface();
547 aSurf->Bounds(Umin, Umax, Vmin, Vmax);
549 // Get and transform the first section
550 Handle(Geom_Curve) FirstSection = theSec->ConstantSection();
551 GeomAdaptor_Curve ACFirst(FirstSection);
553 Standard_Real UFirst = ACFirst.FirstParameter();
554 gp_Lin L = ACFirst.Line();
556 L.Transform(TfBegin);
558 // Get and transform the last section
559 Handle(Geom_Curve) aLastSection = aSurf->VIso(Vmax);
560 Standard_Real aFirstParameter = aLastSection->FirstParameter();
561 gp_Pnt aPntLastSec = aLastSection->Value(aFirstParameter);
563 aPntLastSec.Transform(TfEnd);
565 gp_Pnt aPntFirstSec = ElCLib::Value( UFirst, L );
566 gp_Vec aVecSec( aPntFirstSec, aPntLastSec );
567 gp_Vec aVecSpine = VEnd - VBegin;
569 Standard_Boolean isParallel = aVecSec.IsParallel(aVecSpine, theTol);
573 // Modified by skv - Thu Feb 5 18:05:01 2004 OCC5073 End
575 //===============================================================
576 // Function : BuildKPart
578 //===============================================================
579 Standard_Boolean GeomFill_Sweep::BuildKPart()
581 Standard_Boolean Ok = Standard_False;
582 Standard_Boolean isUPeriodic = Standard_False;
583 Standard_Boolean isVPeriodic = Standard_False;
584 Standard_Boolean IsTrsf = Standard_True;
586 isUPeriodic = mySec->IsUPeriodic();
587 Handle(Geom_Surface) S;
588 GeomAbs_CurveType SectionType;
591 Standard_Real levier, error = 0 ;
592 Standard_Real UFirst=0, VFirst=First, ULast=0, VLast=Last;
593 Standard_Real Tol = Min (Tol3d, BoundTol);
595 // (1) Trajectoire Rectilignes -------------------------
596 if (myLoc->IsTranslation(error)) {
597 // Donne de la translation
605 Tf.SetVectorialPart(M);
606 Tf.SetTranslationPart(V.XYZ());
607 try { // Pas joli mais il n'y as pas d'autre moyens de tester SetValues
609 Tf2.SetValues(Tf(1,1), Tf(1,2), Tf(1,3), Tf(1,4),
610 Tf(2,1), Tf(2,2), Tf(2,3), Tf(2,4),
611 Tf(3,1), Tf(3,2), Tf(3,3), Tf(3,4),
614 catch (Standard_ConstructionError) {
615 IsTrsf = Standard_False;
618 return Standard_False;
621 // (1.1) Cas Extrusion
622 if (mySec->IsConstant(error)) {
623 Handle(Geom_Curve) Section;
624 Section = mySec->ConstantSection();
625 GeomAdaptor_Curve AC(Section);
626 SectionType = AC.GetType();
627 UFirst = AC.FirstParameter();
628 ULast = AC.LastParameter();
630 if ( (SectionType == GeomAbs_Line) && IsTrsf) {
631 // Modified by skv - Thu Feb 5 11:39:06 2004 OCC5073 Begin
632 if (!IsSweepParallelSpine(myLoc, mySec, Tol))
633 return Standard_False;
634 // Modified by skv - Thu Feb 5 11:39:08 2004 OCC5073 End
635 gp_Lin L = AC.Line();
637 DS.SetXYZ(L.Position().Direction().XYZ());
639 levier = Abs(DS.Dot(DP));
640 SError = error + levier * Abs(Last-First);
643 gp_Ax2 AxisOfPlane (L.Location(), DS^DP, DS);
644 S = new (Geom_Plane) (AxisOfPlane);
649 // (1.1.b) Cas Cylindrique
650 if ( (SectionType == GeomAbs_Circle) && IsTrsf) {
651 gp_Circ C = AC.Circle();
654 DS.SetXYZ (C.Position().Direction().XYZ());
656 levier = Abs(DS.CrossMagnitude(DP)) * C.Radius();
657 SError = levier * Abs(Last - First);
660 gp_Ax3 axe (C.Location(), DP, C.Position().XDirection());
661 S = new (Geom_CylindricalSurface)
663 if (C.Position().Direction().
664 IsOpposite(axe.Direction(), 0.1) ) {
666 // L'orientation parametrique est inversee
671 isUReversed = Standard_True;
677 // (1.1.c) C'est bien une extrusion
680 Section->Transform(Tf2);
681 S = new (Geom_SurfaceOfLinearExtrusion)
686 else { // extrusion sur BSpline
693 else if (mySec->IsConicalLaw(error)) {
695 gp_Pnt P1, P2, Centre0, Centre1, Centre2;
697 Handle(Geom_Curve) Section;
698 GeomAdaptor_Curve AC;
700 Standard_Real R1, R2;
703 Section = mySec->CirclSection(SLast);
704 Section->Transform(Tf2);
705 Section->Translate(Last*DP);
708 Centre2 = C.Location();
709 AC.D1(0, P2, dsection);
712 Section = mySec->CirclSection(SFirst);
713 Section->Transform(Tf2);
714 Section->Translate(First*DP);
717 Centre1 = C.Location();
721 Section = mySec->CirclSection(SFirst - First*(SLast-SFirst)/(Last-First));
722 Section->Transform(Tf2);
725 Centre0 = C.Location();
728 gp_Vec N(Centre1, P1);
729 if (N.Magnitude() < 1.e-9) {
730 gp_Vec Bis(Centre2, P2);
733 gp_Vec L(P1, P2), Dir(Centre1,Centre2);
735 Angle = L.Angle(Dir);
736 if ((Angle > 0.01) && (Angle < M_PI/2-0.01)) {
737 if (R2<R1) Angle = -Angle;
739 gp_Ax3 Axis(Centre0, Dir, N);
740 S = new (Geom_ConicalSurface)
741 (Axis, Angle, C.Radius());
742 // Calcul du glissement parametrique
743 VFirst = First / Cos(Angle);
744 VLast = Last / Cos(Angle);
747 UFirst = AC.FirstParameter();
748 ULast = AC.LastParameter();
751 S->VIso(VLast)->D1(0, pbis, diso);
752 if (diso.Magnitude()>1.e-9 && dsection.Magnitude()>1.e-9)
753 isUReversed = diso.IsOpposite(dsection, 0.1);
756 // L'orientation parametrique est inversee
769 // (2) Trajectoire Circulaire
770 if (myLoc->IsRotation(error)) {
771 if (mySec->IsConstant(error)) {
774 isVPeriodic = (Abs(Last-First -2*M_PI) < 1.e-15);
775 Standard_Real RotRadius;
777 myLoc->D0(0.1, M, DS);
779 myLoc->Rotation(Centre);
782 DS.SetXYZ(V.XYZ() - Centre.XYZ());
783 RotRadius = DS.Magnitude();
784 if (RotRadius > 1.e-15) DS.Normalize();
785 else return Standard_False; // Pas de KPart, rotation degeneree
793 Tf.SetVectorialPart(M);
794 Tf.SetTranslationPart(V.XYZ());
795 // try { // Pas joli mais il n'y as pas d'autre moyens de tester SetValues
797 Tf2.SetValues(Tf(1,1), Tf(1,2), Tf(1,3), Tf(1,4),
798 Tf(2,1), Tf(2,2), Tf(2,3), Tf(2,4),
799 Tf(3,1), Tf(3,2), Tf(3,3), Tf(3,4),
802 // catch (Standard_ConstructionError) {
803 // IsTrsf = Standard_False;
806 Handle(Geom_Curve) Section;
807 Section = mySec->ConstantSection();
808 GeomAdaptor_Curve AC(Section);
809 SectionType = AC.GetType();
810 UFirst = AC.FirstParameter();
811 ULast = AC.LastParameter();
813 // (2.1) Tore/Sphere ?
814 if ((SectionType == GeomAbs_Circle) && IsTrsf) {
815 gp_Circ C = AC.Circle();
816 Standard_Real Radius;
817 Standard_Boolean IsGoodSide = Standard_True;;
820 // On calcul le centre eventuel
821 DC.SetXYZ(C.Location().XYZ() - Centre.XYZ());
822 Centre.ChangeCoord() += (DC.Dot(DN))*DN.XYZ();
823 DC.SetXYZ(C.Location().XYZ() - Centre.XYZ());
824 Radius = DC.Magnitude(); //grand Rayon du tore
825 if ((Radius > Tol) && (DC.Dot(DS) < 0)) IsGoodSide = Standard_False;
826 if (Radius < Tol/100) DC = DS; // Pour definir le tore
828 // On verifie d'abord que le plan de la section est // a
831 NC.SetXYZ (C.Position().Direction().XYZ());
833 error = Abs(NC.Dot(DN));
834 // Puis on evalue l'erreur commise sur la section,
835 // en pivotant son plan ( pour contenir l'axe de rotation)
836 error += Abs(NC.Dot(DS));
840 error += Radius + Abs(RotRadius - C.Radius())/2;
843 Standard_Real f = UFirst , l = ULast;
845 Centre.BaryCenter(1.0, C.Location(), 1.0);
846 gp_Ax3 AxisOfSphere(Centre, DN, DS);
847 S = new (Geom_SphericalSurface)
848 (AxisOfSphere, (RotRadius + C.Radius())/2 );
849 // Pour les spheres on ne peut pas controler le parametre
850 // V (donc U car myExchUV = Standard_True)
851 // Il faut donc modifier UFirst, ULast...
852 if (C.Position().Direction().
853 IsOpposite(AxisOfSphere.YDirection(), 0.1) ) {
854 // L'orientation parametrique est inversee
857 isUReversed = Standard_True;
859 // On calcul le "glissement" parametrique.
861 rot = C.Position().XDirection().AngleWithRef
862 (AxisOfSphere.XDirection(), AxisOfSphere.YDirection());
866 if ( (f >= -M_PI/2) && (l <= M_PI/2)) {
868 myExchUV = Standard_True;
872 else { // On restaure ce qu'il faut
873 isUReversed = Standard_False;
876 else if (IsGoodSide) {
878 gp_Ax3 AxisOfTore(Centre, DN, DC);
879 S = new (Geom_ToroidalSurface) (AxisOfTore,
880 Radius , C.Radius());
882 // Pour les tores on ne peut pas controler le parametre
883 // V (donc U car myExchUV = Standard_True)
884 // Il faut donc modifier UFirst, ULast...
885 Handle(Geom_Circle) Iso;
886 Iso = Handle(Geom_Circle)::DownCast(S->UIso(0.));
888 axeiso = Iso->Circ().Position();
890 if (C.Position().Direction().
891 IsOpposite(axeiso.Direction(), 0.1) ) {
893 // L'orientation parametrique est inversee
898 isUReversed = Standard_True;
900 // On calcul le "glissement" parametrique.
902 rot = C.Position().XDirection().AngleWithRef
903 (axeiso.XDirection(), axeiso.Direction());
907 myExchUV = Standard_True;
908 // Attention l'arete de couture dans le cas periodique
909 // n'est peut etre pas a la bonne place...
910 if (isUPeriodic && Abs(UFirst)>Precision::PConfusion())
911 isUPeriodic = Standard_False; //Pour trimmer la surface...
919 // (2.2) Cone / Cylindre
920 if ((SectionType == GeomAbs_Line) && IsTrsf) {
921 gp_Lin L = AC.Line();
924 DL.SetXYZ(L.Direction().XYZ());
925 levier = Max(Abs(AC.FirstParameter()), AC.LastParameter());
926 // si la line est ortogonale au cercle de rotation
927 SError = error + levier * Abs(DL.Dot(DP));
929 Standard_Boolean reverse;
930 gp_Lin Dir(Centre, DN);
933 reverse = (aux < 0); // On choisit ici le sens de parametrisation
935 // Calcul du centre du vecteur supportant la "XDirection"
937 gp_Vec O1O2(Centre, L.Location()), trans;
939 trans *= DN.Dot(O1O2);
940 CentreOfSurf = Centre.Translated(trans);
941 DS.SetXYZ(L.Location().XYZ() - CentreOfSurf.XYZ());
944 error += (DL.XYZ()).CrossMagnitude(DN.XYZ())*levier;
947 // si la line est orthogonale au plan de rotation
949 gp_Ax3 Axis(CentreOfSurf, Dir.Direction(), DS);
950 S = new (Geom_CylindricalSurface)
951 (Axis, L.Distance(CentreOfSurf));
953 myExchUV = Standard_True;
956 // On evalue l'angle du cone
957 Standard_Real Angle = Abs(Dir.Angle(L));
958 if (Angle > M_PI/2) Angle = M_PI -Angle;
959 if (reverse) Angle = -Angle;
964 if (Abs(Abs(Angle) - M_PI/2) > 0.01) {
966 // si les 2 droites ne sont pas orthogonales
967 Standard_Real Radius = CentreOfSurf.Distance(L.Location());
968 gp_Ax3 Axis(CentreOfSurf, Dir.Direction(), DS);
969 S = new (Geom_ConicalSurface)
970 (Axis, Angle, Radius);
971 myExchUV = Standard_True;
975 // On n'as pas conclue, on remet l'erreur a 0.
980 // On reverse le parametre
981 Standard_Real uf, ul;
982 Handle(Geom_Line) CL = new (Geom_Line)(L);
983 uf = CL->ReversedParameter(ULast);
984 ul = CL->ReversedParameter(UFirst);
987 isUReversed = Standard_True;
996 Section->Transform(Tf2);
997 gp_Ax1 Axis (Centre, DN);
998 S = new (Geom_SurfaceOfRevolution)
1000 myExchUV = Standard_True;
1009 if (Ok) { // On trimme la surface
1012 b = isUPeriodic; isUPeriodic = isVPeriodic; isVPeriodic = b;
1014 r = UFirst; UFirst = VFirst; VFirst = r;
1015 r = ULast; ULast = VLast; VLast = r;
1018 if (!isUPeriodic && !isVPeriodic)
1019 mySurface = new (Geom_RectangularTrimmedSurface)
1020 (S, UFirst, ULast, VFirst, VLast);
1021 else if (isUPeriodic) {
1022 if (isVPeriodic) mySurface = S;
1023 else mySurface = new (Geom_RectangularTrimmedSurface)
1024 (S, VFirst, VLast, Standard_False);
1027 mySurface = new (Geom_RectangularTrimmedSurface)
1028 (S,UFirst, ULast, Standard_True);
1031 if (isUPeriodic && !mySurface->IsUPeriodic())
1032 cout<<"Pb de periodicite en U" << endl;
1033 if (isUPeriodic && !mySurface->IsUClosed())
1034 cout<<"Pb de fermeture en U" << endl;
1035 if (isVPeriodic && !mySurface->IsVPeriodic())
1036 cout << "Pb de periodicite en V" << endl;
1037 if (isVPeriodic && !mySurface->IsVClosed())
1038 cout<<"Pb de fermeture en V" << endl;
1046 //===============================================================
1047 // Function : IsDone
1049 //===============================================================
1050 Standard_Boolean GeomFill_Sweep::IsDone() const
1055 //===============================================================
1056 // Function :ErrorOnSurface
1058 //===============================================================
1059 Standard_Real GeomFill_Sweep::ErrorOnSurface() const
1064 //===============================================================
1065 // Function ::ErrorOnRestriction
1067 //===============================================================
1068 void GeomFill_Sweep::ErrorOnRestriction(const Standard_Boolean IsFirst,
1069 Standard_Real& UError,
1070 Standard_Real& VError) const
1072 Standard_Integer ind;
1074 else ind = myCurve2d->Length();
1076 UError = CError->Value(1, ind);
1077 VError = CError->Value(2, ind);
1080 //===============================================================
1081 // Function :ErrorOnTrace
1083 //===============================================================
1084 void GeomFill_Sweep::ErrorOnTrace(const Standard_Integer IndexOfTrace,
1085 Standard_Real& UError,
1086 Standard_Real& VError) const
1088 Standard_Integer ind = IndexOfTrace+1;
1089 if (IndexOfTrace > myLoc->TraceNumber())
1090 Standard_OutOfRange::Raise(" GeomFill_Sweep::ErrorOnTrace");
1092 UError = CError->Value(1, ind);
1093 VError = CError->Value(2, ind);
1096 //===============================================================
1097 // Function :Surface
1099 //===============================================================
1100 Handle(Geom_Surface) GeomFill_Sweep::Surface() const
1105 //===============================================================
1106 // Function ::Restriction
1108 //===============================================================
1109 Handle(Geom2d_Curve) GeomFill_Sweep::Restriction(const Standard_Boolean IsFirst) const
1112 return myCurve2d->Value(1);
1113 return myCurve2d->Value(myCurve2d->Length());
1117 //===============================================================
1120 //===============================================================
1121 Standard_Integer GeomFill_Sweep::NumberOfTrace() const
1123 return myLoc->TraceNumber();
1126 //===============================================================
1129 //===============================================================
1130 Handle(Geom2d_Curve)
1131 GeomFill_Sweep::Trace(const Standard_Integer IndexOfTrace) const
1133 Standard_Integer ind = IndexOfTrace+1;
1134 if (IndexOfTrace > myLoc->TraceNumber())
1135 Standard_OutOfRange::Raise(" GeomFill_Sweep::Trace");
1136 return myCurve2d->Value(ind);