projects / occt.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
0023604: Uninitialized variables in debug mode
[occt.git] / src / BRepFill / BRepFill_TrimSurfaceTool.cxx
CommitLineData
b311480e 1// Created on: 1994-10-21
2// Created by: Bruno DUMORTIER
3// Copyright (c) 1994-1999 Matra Datavision
4// Copyright (c) 1999-2012 OPEN CASCADE SAS
5//
6// The content of this file is subject to the Open CASCADE Technology Public
7// License Version 6.5 (the "License"). You may not use the content of this file
8// except in compliance with the License. Please obtain a copy of the License
9// at http://www.opencascade.org and read it completely before using this file.
10//
11// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
12// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
13//
14// The Original Code and all software distributed under the License is
15// distributed on an "AS IS" basis, without warranty of any kind, and the
16// Initial Developer hereby disclaims all such warranties, including without
17// limitation, any warranties of merchantability, fitness for a particular
18// purpose or non-infringement. Please see the License for the specific terms
19// and conditions governing the rights and limitations under the License.
20
7fd59977 21
22
23#include <stdio.h>
24
25#include <BRepFill_TrimSurfaceTool.ixx>
26
27#include <Precision.hxx>
28
29#include <Adaptor3d_SurfaceOfRevolution.hxx>
30#include <AppParCurves_MultiCurve.hxx>
31#include <BRepFill_ComputeCLine.hxx>
32#include <BRepFill_MultiLine.hxx>
33#include <BRepIntCurveSurface_Inter.hxx>
34#include <BRepFill_ApproxSeewing.hxx>
35#include <BRep_Tool.hxx>
36#include <ElCLib.hxx>
37#include <BSplCLib.hxx>
38#include <PLib.hxx>
39#include <gp.hxx>
40#include <gp_Sphere.hxx>
41#include <gp_Cone.hxx>
42#include <gp_Torus.hxx>
43#include <gp_Cylinder.hxx>
44#include <Geom2dInt_GInter.hxx>
45#include <Geom2dAPI_ProjectPointOnCurve.hxx>
46#include <Geom2dAdaptor_Curve.hxx>
47#include <Geom2d_BSplineCurve.hxx>
48#include <Geom2d_TrimmedCurve.hxx>
49#include <GeomAdaptor_Surface.hxx>
50#include <GeomAdaptor_HCurve.hxx>
51#include <Geom_Plane.hxx>
52#include <Geom_SurfaceOfRevolution.hxx>
53#include <Geom_BSplineCurve.hxx>
54#include <Geom_TrimmedCurve.hxx>
55#include <GeomProjLib.hxx>
56#include <IntRes2d_IntersectionPoint.hxx>
57#include <IntRes2d_IntersectionSegment.hxx>
58#include <Precision.hxx>
59#include <StdFail_NotDone.hxx>
60#include <Standard_NotImplemented.hxx>
61#include <TColgp_Array1OfPnt.hxx>
62#include <TColStd_Array1OfReal.hxx>
63#include <TColStd_Array1OfInteger.hxx>
64#include <TopAbs_State.hxx>
65#include <TopExp.hxx>
66#include <TopoDS.hxx>
67#include <TopoDS_Vertex.hxx>
68
69#ifdef DRAW
70#include <DrawTrSurf.hxx>
71#include <DBRep.hxx>
72#endif
73#ifdef DEB
74static Standard_Boolean Affich = Standard_False;
75static Standard_Integer NBCALL = 1;
76#endif
77
78//=======================================================================
79//function : BRepFill_TrimSurfaceTool
0d969553
Y		 80//purpose : Initialisation with two neighbor faces
81// Edge1 and Edge2 are parallel edges corresponding
82// to minimum iso on F1 and F2 respectively.
83// ie Edge1 is Umin or VMin on F1.
84// Inv1 and Inv2 show if Edge1 and Edge2 are
85// returned parallel.
7fd59977 86//=======================================================================
87
88BRepFill_TrimSurfaceTool::BRepFill_TrimSurfaceTool
89(const Handle(Geom2d_Curve)& Bis,
90 const TopoDS_Face& Face1,
91 const TopoDS_Face& Face2,
92 const TopoDS_Edge& Edge1,
93 const TopoDS_Edge& Edge2,
94 const Standard_Boolean Inv1,
95 const Standard_Boolean Inv2 ) :
96myFace1(Face1),
97myFace2(Face2),
98myEdge1(Edge1),
99myEdge2(Edge2),
100myInv1(Inv1),
101myInv2(Inv2),
102myBis (Bis)
103{
104#ifdef DEB
105 if ( Affich) {
106 cout << " ---------->TrimSurfaceTool : NBCALL = " << NBCALL << endl;
107
108#ifdef DRAW
109 char name[256];
110
111 sprintf(name,"FACE1_%d",NBCALL);
112 DBRep::Set(name,myFace1);
113
114 sprintf(name,"FACE2_%d",NBCALL);
115 DBRep::Set(name,myFace2);
116
117 sprintf(name,"EDGE1_%d",NBCALL);
118 DBRep::Set(name,myEdge1);
119
120 sprintf(name,"EDGE2_%d",NBCALL);
121 DBRep::Set(name,myEdge2);
122
123 sprintf(name,"BISSEC_%d",NBCALL);
124 DrawTrSurf::Set(name,myBis);
125#endif
126 NBCALL++;
127 }
128#endif
129}
130
131
132//=======================================================================
133//function : Bubble
0d969553 134//purpose : Order the sequence of points by increasing x.
7fd59977 135//=======================================================================
136
137static void Bubble(TColgp_SequenceOfPnt& Seq)
138{
139 Standard_Boolean Invert = Standard_True;
140 Standard_Integer NbPoints = Seq.Length();
141 while (Invert) {
142 Invert = Standard_False;
143 for ( Standard_Integer i = 1; i < NbPoints; i++) {
144 gp_Pnt P1 = Seq.Value(i);
145 gp_Pnt P2 = Seq.Value(i+1);
146 if (P2.X()<P1.X()) {
147 Seq.Exchange(i,i+1);
148 Invert = Standard_True;
149 }
150 }
151 }
152}
153
154
155//=======================================================================
156//function : EvalPhase
157//purpose :
158//=======================================================================
159
160static Standard_Real EvalPhase(const TopoDS_Edge& Edge,
161 const TopoDS_Face& Face,
162 const GeomAdaptor_Surface& GAS,
163 const gp_Ax3& Axis)
164{
165 gp_Pnt2d PE1,PE2,PF1,PF2;
166 Standard_Real VDeg;
7fd59977 167 Standard_Real V = 0.;
7fd59977 168 BRep_Tool::UVPoints(Edge,Face,PE1,PE2);
169 VDeg = PE1.Y();
170 TopExp_Explorer Exp(Face,TopAbs_EDGE);
171 for (; Exp.More(); Exp.Next()) {
172 if ( !TopoDS::Edge(Exp.Current()).IsSame(Edge)) {
173 BRep_Tool::UVPoints(TopoDS::Edge(Exp.Current()),Face,PF1,PF2);
174 V = ( Abs(PF1.Y() - VDeg) > Abs(PF2.Y() - VDeg)) ? PF1.Y() : PF2.Y();
175 break;
176 }
177 }
178 gp_Pnt P = GAS.Value(0., V);
179
180 if ( gp_Vec(Axis.Location(), P).Dot(Axis.XDirection()) < 0.)
c6541a0c 181 return M_PI;
7fd59977 182 else
183 return 0.;
184}
185
186
187//=======================================================================
188//function : EvalParameters
189//purpose :
190//=======================================================================
191
192static void EvalParameters(const TopoDS_Edge& Edge,
193 const TopoDS_Face& Face,
194 const Handle(Geom2d_Curve)& Bis ,
195 TColgp_SequenceOfPnt& Seq )
196{
197 Standard_Boolean Degener = BRep_Tool::Degenerated(Edge);
0d969553 198 // return curves 3d associated to edges.
7fd59977 199 TopLoc_Location L;
200 Standard_Real f,l;
201
202 Handle(Geom_TrimmedCurve) CT;
203 Handle(Geom_Plane) Plane = new Geom_Plane(0,0,1,0);
204
205 Geom2dInt_GInter Intersector;
206
207 Standard_Integer NbPoints, NbSegments;
208 Standard_Real U1, U2;
209 gp_Pnt P;//,PSeq;
210
211// Standard_Real Tol = Precision::Intersection();
212 // modified by NIZHNY-EAP Wed Dec 22 15:00:51 1999 ___BEGIN___
213 Standard_Real Tol = 1.e-6; // BRepFill_Precision();
214 Standard_Real TolC = 0.;
215
216 if ( !Degener) {
217 Handle(Geom_Curve) C = BRep_Tool::Curve(Edge,L,f,l);
218 CT = new Geom_TrimmedCurve(C,f,l);
219 CT->Transform(L.Transformation());
0d969553 220 // projection of 3d curves in the plane xOy
7fd59977 221 Handle(Geom2d_Curve) C2d = GeomProjLib::Curve2d(CT,Plane);
222
223 Geom2dAdaptor_Curve AC(C2d);
224 Geom2dAdaptor_Curve ABis(Bis);
225
226 Intersector = Geom2dInt_GInter(ABis, AC, TolC, Tol);
227
228 if ( !Intersector.IsDone()) {
229 StdFail_NotDone::Raise("BRepFill_TrimSurfaceTool::IntersectWith");
230 }
231
232 NbPoints = Intersector.NbPoints();
233
234 if (NbPoints < 1) {
235 // try to elongate curves and enlarge tolerance
236
237 // don't do it rightaway from the beginning in order not to get
238 // extra solutions those would cause *Exception*: incoherent intersection
239
240 GeomAbs_CurveType CType = AC.GetType(), BisType = ABis.GetType();
241 Standard_Boolean canElongateC = !(CType == GeomAbs_BezierCurve ||
242 CType == GeomAbs_BSplineCurve ||
243 CType == GeomAbs_OtherCurve);
244 Standard_Boolean canElongateBis = !(BisType == GeomAbs_BezierCurve ||
245 BisType == GeomAbs_BSplineCurve ||
246 BisType == GeomAbs_OtherCurve);
247
248 Handle(Geom2d_TrimmedCurve) TBis = Handle(Geom2d_TrimmedCurve)::DownCast(Bis);
249 Handle(Geom2d_TrimmedCurve) TC2d = Handle(Geom2d_TrimmedCurve)::DownCast(C2d);
250
251 if (canElongateC) {
252 TC2d->SetTrim(TC2d->FirstParameter() - Tol, TC2d->LastParameter() + Tol);
253 AC.Load(TC2d);
254 }
255 if (canElongateBis) {
256 TBis->SetTrim(TBis->FirstParameter() - Tol, TBis->LastParameter() + Tol);
257 ABis.Load(TBis);
258 }
259 Intersector = Geom2dInt_GInter(ABis, AC, TolC, Tol*10);
260
261 if ( !Intersector.IsDone()) {
262 StdFail_NotDone::Raise("BRepFill_TrimSurfaceTool::IntersectWith");
263 }
264
265 NbPoints = Intersector.NbPoints();
266 }
267 // modified by NIZHNY-EAP Wed Dec 22 15:00:56 1999 ___END___
268 if (NbPoints > 0) {
269
270 for ( Standard_Integer i = 1; i <= NbPoints; i++) {
271 U1 = Intersector.Point(i).ParamOnFirst();
272 U2 = Intersector.Point(i).ParamOnSecond();
273 P = gp_Pnt(U1,U2,0.);
274 Seq.Append(P);
275 }
276 }
277
278 NbSegments = Intersector.NbSegments();
279
280 if (NbSegments > 0) {
281#ifdef DEB
282 cout << " IntersectWith : " << NbSegments
0d969553 283 << " Segments of intersection" << endl;
7fd59977 284#endif
285 IntRes2d_IntersectionSegment Seg;
286 for ( Standard_Integer i = 1; i <= NbSegments; i++) {
287 Seg = Intersector.Segment(i);
288 U1 = Seg.FirstPoint().ParamOnFirst();
289 U1 += Seg.LastPoint().ParamOnFirst();
290 U1 /= 2.;
291 U2 = Seg.FirstPoint().ParamOnSecond();
292 U2 += Seg.LastPoint().ParamOnSecond();
293 U2 /= 2.;
294 P = gp_Pnt(U1,U2,0.);
295 Seq.Append(P);
296 }
297 }
0d969553 298 // Order the sequence by increasing parameter on the bissectrice.
7fd59977 299 Bubble( Seq);
300
301// modified by NIZHNY-EAP Fri Dec 24 18:47:24 1999 ___BEGIN___
302 // Remove double points
303 gp_Pnt P1, P2;
304 for ( Standard_Integer i = 1; i < NbPoints; i++) {
305 P1 = Seq.Value(i);
306 P2 = Seq.Value(i+1);
307 if ( P2.X()-P1.X() < Tol ) {
308// cout<<"REMOVE "<<P1.X()<<endl;
309 Seq.Remove(i--);
310 NbPoints--;
311 }
312 }
313// modified by NIZHNY-EAP Fri Dec 24 18:47:28 1999 ___END___
314 }
315 else {
0d969553
Y		 316 // the edge is degenerated : the point and it is found if it is
317 // on the bissectrice.
7fd59977 318
319 gp_Pnt P3d = BRep_Tool::Pnt( TopExp::FirstVertex(Edge));
320 gp_Pnt2d P2d( P3d.X(), P3d.Y());
321
322 Standard_Real UBis = Bis->FirstParameter();
323 gp_Pnt2d PBis = Bis->Value( UBis);
324
325// modified by NIZHNY-EAP Wed Jan 12 11:41:30 2000 ___BEGIN___
326 // inside gp_Pnt2d::Distance
327 // Infinite * Infinite => Exception: DefaultNumericError
328 // Case encounered: UBis < Precision::Infinite()
329 // but PBis.X() > Precision::Infinite()
330 if (Precision::IsPositiveInfinite(Abs(PBis.X())) ||
331 Precision::IsPositiveInfinite(Abs(PBis.Y())) ||
332 PBis.Distance(P2d) > Tol) {
333// modified by NIZHNY-EAP Wed Jan 12 11:41:40 2000 ___END___
334 UBis = Bis->LastParameter();
335 if (UBis >= Precision::Infinite()) return;
336 PBis = Bis->Value( UBis);
337 if ( PBis.Distance(P2d) > Tol) return;
338 }
339
0d969553 340 // evaluate parameter intersection.
7fd59977 341 Handle(Geom_Surface) GS = BRep_Tool::Surface(Face);
342 GeomAdaptor_Surface GAS(GS);
343
344 gp_Ax3 Axis;
345 Standard_Real Phase = 0.;
346
347 switch ( GAS.GetType()) {
348
349 case GeomAbs_Sphere:
350 Axis = GAS.Sphere().Position(); break;
351 case GeomAbs_Cone: {
352 //----------------------------------------------------------
0d969553 353 // if myFace1 is not at the same side of the apex as the point
c6541a0c 354 // of parameter 0 0 on the cone => phase = M_PI.
7fd59977 355 //----------------------------------------------------------
356 Axis = GAS.Cone().Position();
357 Phase = EvalPhase(Edge,Face,GAS,Axis);
358 break;
359 }
360 case GeomAbs_Torus:
361 Axis = GAS.Torus().Position(); break;
362 case GeomAbs_Cylinder:
363 Axis = GAS.Cylinder().Position(); break;
364 case GeomAbs_SurfaceOfRevolution: {
365 //----------------------------------------------------------
0d969553 366 // if myFace1 is not at the same side of the apex as the point
c6541a0c 367 // of parameter 0 0 on the cone => phase = M_PI.
7fd59977 368 //----------------------------------------------------------
369 Handle(Geom_SurfaceOfRevolution) GSRev =
370 Handle(Geom_SurfaceOfRevolution)::DownCast(GS);
371 Handle(GeomAdaptor_HCurve) HC =
372 new GeomAdaptor_HCurve(GSRev->BasisCurve());
373 Adaptor3d_SurfaceOfRevolution ASRev(HC,GAS.AxeOfRevolution());
374 Axis = ASRev.Axis();
375 Phase = EvalPhase(Edge,Face,GAS,Axis);
376 break;
377 }
378 default:
379 Standard_NotImplemented::Raise(" BRepFill_TrimSurfaceTool");
380 }
381
382 gp_Vec2d D12d = Bis->DN(UBis,1);
383 gp_Vec D1( D12d.X(), D12d.Y(), 0.);
384
385 Standard_Real U = Axis.XDirection().
386 AngleWithRef(D1,Axis.XDirection()^Axis.YDirection());
387 U += Phase;
c6541a0c 388 if ( U < 0.) U += 2*M_PI;
7fd59977 389
390 P = gp_Pnt(Bis->FirstParameter(), U, 0.);
391 Seq.Append(P);
392 }
393}
394
395
396//=======================================================================
397//function : IntersectWith
398//purpose :
399//=======================================================================
400
401void BRepFill_TrimSurfaceTool::IntersectWith
402(const TopoDS_Edge& EdgeOnF1,
403 const TopoDS_Edge& EdgeOnF2,
404 TColgp_SequenceOfPnt& Points )
405const
406{
407 Points.Clear();
408 TColgp_SequenceOfPnt Points2;
409
410 EvalParameters(EdgeOnF1, myFace1, myBis, Points);
411 EvalParameters(EdgeOnF2, myFace2, myBis, Points2);
412
413 StdFail_NotDone_Raise_if
414 ( Points.Length() != Points2.Length(),
415 "BRepFill_TrimSurfaceTool::IntersectWith: incoherent intersection");
416
417 gp_Pnt PSeq;
418 Standard_Integer NbPoints = Points.Length();
419 for ( Standard_Integer i = 1; i <= NbPoints; i++) {
420 PSeq = Points(i);
421 PSeq.SetZ((Points2.Value(i)).Y());
422 Points.SetValue(i,PSeq);
423// cout<<"BisPar "<<PSeq.X()<<endl;
424 }
425}
426
427
428//=======================================================================
429//function : IsOnFace
430//purpose :
431//=======================================================================
432
433Standard_Boolean BRepFill_TrimSurfaceTool::IsOnFace
434(const gp_Pnt2d& Point) const
435{
436 gp_Pnt P( Point.X(), Point.Y(), 0.);
437 gp_Lin Line( P, gp::DZ());
438
439 BRepIntCurveSurface_Inter Inter;
440
441 // eval if is on face 1
442// modified by NIZHNY-EAP Fri Jan 21 09:49:09 2000 ___BEGIN___
443 Inter.Init(myFace1, Line, 1e-6);//Precision::PConfusion());
444 if (Inter.More()) return Standard_True;
445
446 // eval if is on face 2
447 Inter.Init(myFace2, Line, 1e-6);//Precision::PConfusion());
448 return Inter.More();
449// modified by NIZHNY-EAP Fri Jan 21 09:49:14 2000 ___END___
450}
451
452
453//=======================================================================
454//function : ProjOn
455//purpose :
456//=======================================================================
457
458Standard_Real BRepFill_TrimSurfaceTool::ProjOn(const gp_Pnt2d& Point,
459 const TopoDS_Edge& Edge) const
460{
461 TopLoc_Location L;
462 Standard_Real f,l;
463
464
465
466 Handle(Geom_Curve) C1 = BRep_Tool::Curve(Edge,L,f,l);
467 Handle(Geom_TrimmedCurve) CT = new Geom_TrimmedCurve(C1,f,l);
468 CT->Transform(L.Transformation());
469
0d969553 470 // projection of curves 3d in the plane xOy
7fd59977 471 Handle(Geom_Plane) Plane = new Geom_Plane(0,0,1,0);
472 Handle(Geom2d_Curve) C2d = GeomProjLib::Curve2d(CT,Plane);
473
0d969553 474 // evaluate the projection of the point on the curve.
7fd59977 475 Geom2dAPI_ProjectPointOnCurve Projector(Point, C2d);
476#ifdef DEB
477 Standard_Real Dist =
478#endif
479 Projector.LowerDistance();
480#ifdef DEB
481 if ( Dist > Precision::Confusion() ) {
482 cout << " *** WARNING TrimSurfaceTool: *** " << endl;
0d969553 483 cout << " --> the point is not on the edge" <<endl;
7fd59977 484 cout << " distance = " << Dist << endl;
485 }
486#endif
487
488 Standard_Real U = Projector.LowerDistanceParameter();
489 return U;
490}
491
492
493//=======================================================================
494//function : Project
495//purpose :
496//=======================================================================
497
498void BRepFill_TrimSurfaceTool::Project
499(const Standard_Real U1,
500 const Standard_Real U2,
501 Handle(Geom_Curve)& Curve,
502 Handle(Geom2d_Curve)& PCurve1,
503 Handle(Geom2d_Curve)& PCurve2,
504 GeomAbs_Shape& Cont) const
505{
506 Standard_Integer Deg1, Deg2;
507 Deg1 = Deg2 = 8;
508
509 Handle(Geom2d_TrimmedCurve) CT =
510 new Geom2d_TrimmedCurve(myBis,U1,U2);
511 BRepFill_MultiLine ML(myFace1,myFace2,
512 myEdge1,myEdge2,myInv1,myInv2,CT);
513
514 Cont = ML.Continuity();
515
516 if ( ML.IsParticularCase()) {
517 ML.Curves(Curve,PCurve1,PCurve2);
518 }
519 else {
520 BRepFill_ApproxSeewing AppSeew(ML);
521
522 Curve = AppSeew.Curve();
523 PCurve1 = AppSeew.CurveOnF1();
524 PCurve2 = AppSeew.CurveOnF2();
525 }
526}
Open CASCADE Technology repository