Commit | Line | Data |
---|---|---|
7fd59977 | 1 | // File: BRepLib.cxx |
2 | // Created: Wed Dec 15 17:53:58 1993 | |
3 | // Author: Remi LEQUETTE | |
4 | // <rle@zerox> | |
5 | ||
0d969553 | 6 | // History: pmn 26/09/97 Add parameters of approximation in BuildCurve3d |
7fd59977 | 7 | // Modified by skv - Thu Jun 3 12:39:19 2004 OCC5898 |
8 | ||
9 | #include <BRepLib.ixx> | |
10 | #include <BRepAdaptor_Surface.hxx> | |
11 | #include <BRepAdaptor_HSurface.hxx> | |
12 | #include <BRepAdaptor_HCurve2d.hxx> | |
13 | #include <BRep_Tool.hxx> | |
14 | #include <BRep_Builder.hxx> | |
15 | #include <Geom_Surface.hxx> | |
16 | #include <Geom_RectangularTrimmedSurface.hxx> | |
17 | #include <Geom_Plane.hxx> | |
18 | #include <Geom_Curve.hxx> | |
19 | #include <Geom_BSplineCurve.hxx> | |
20 | #include <Geom_TrimmedCurve.hxx> | |
21 | #include <Geom2d_Curve.hxx> | |
22 | #include <Geom2d_TrimmedCurve.hxx> | |
23 | #include <Geom2d_BSplineCurve.hxx> | |
24 | #include <GeomLib.hxx> | |
25 | #include <TopExp_Explorer.hxx> | |
26 | #include <TopoDS.hxx> | |
27 | #include <TopoDS_Edge.hxx> | |
28 | #include <TopoDS_Face.hxx> | |
29 | #include <TopoDS_Vertex.hxx> | |
30 | #include <TopTools_MapOfShape.hxx> | |
31 | #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx> | |
32 | #include <TopTools_ListIteratorOfListOfShape.hxx> | |
33 | #include <TopExp.hxx> | |
34 | #include <gp.hxx> | |
35 | #include <gp_Ax2.hxx> | |
36 | #include <gp_Pln.hxx> | |
37 | #include <Standard_Real.hxx> | |
38 | #include <Precision.hxx> | |
39 | #include <BRep_GCurve.hxx> | |
40 | #include <BRep_TEdge.hxx> | |
41 | #include <BRep_TFace.hxx> | |
42 | #include <AppParCurves_MultiCurve.hxx> | |
43 | #include <AppParCurves_MultiBSpCurve.hxx> | |
44 | #include <BRep_ListOfCurveRepresentation.hxx> | |
45 | #include <BRep_CurveRepresentation.hxx> | |
46 | #include <BRep_ListIteratorOfListOfCurveRepresentation.hxx> | |
47 | #include <BRep_TVertex.hxx> | |
48 | #include <Approx_SameParameter.hxx> | |
49 | #include <TColgp_Array1OfPnt.hxx> | |
50 | #include <TColgp_Array1OfPnt2d.hxx> | |
51 | #include <TColStd_Array1OfReal.hxx> | |
52 | #include <TColStd_HArray1OfReal.hxx> | |
53 | #include <TColStd_MapOfTransient.hxx> | |
54 | #include <GeomAdaptor_Curve.hxx> | |
55 | #include <GeomAdaptor_HCurve.hxx> | |
56 | #include <GeomAdaptor_Surface.hxx> | |
57 | #include <GeomAdaptor_HSurface.hxx> | |
58 | #include <Geom2dAdaptor_Curve.hxx> | |
59 | #include <Geom2dAdaptor_HCurve.hxx> | |
60 | #include <Geom2dAdaptor.hxx> | |
61 | #include <Geom2dConvert.hxx> | |
62 | #include <GCPnts_QuasiUniformDeflection.hxx> | |
63 | #include <BSplCLib.hxx> | |
64 | #include <ElSLib.hxx> | |
65 | #include <Adaptor3d_CurveOnSurface.hxx> | |
66 | #include <Extrema_LocateExtPC.hxx> | |
67 | #include <ProjLib_ProjectedCurve.hxx> | |
68 | #include <BRepClass3d_SolidClassifier.hxx> | |
69 | #include <Bnd_Box.hxx> | |
70 | #include <BRepBndLib.hxx> | |
71 | #include <Approx_CurvilinearParameter.hxx> | |
72 | #include <Geom_BSplineSurface.hxx> | |
73 | ||
7fd59977 | 74 | |
75 | static Standard_Real thePrecision = Precision::Confusion(); | |
76 | static Handle(Geom_Plane) thePlane; | |
77 | ||
78 | //======================================================================= | |
79 | //function : Precision | |
80 | //purpose : | |
81 | //======================================================================= | |
82 | ||
83 | void BRepLib::Precision(const Standard_Real P) | |
84 | { | |
85 | thePrecision = P; | |
86 | } | |
87 | ||
88 | //======================================================================= | |
89 | //function : Precision | |
90 | //purpose : | |
91 | //======================================================================= | |
92 | ||
93 | Standard_Real BRepLib::Precision() | |
94 | { | |
95 | return thePrecision; | |
96 | } | |
97 | ||
98 | //======================================================================= | |
99 | //function : Plane | |
100 | //purpose : | |
101 | //======================================================================= | |
102 | ||
103 | void BRepLib::Plane(const Handle(Geom_Plane)& P) | |
104 | { | |
105 | thePlane = P; | |
106 | } | |
107 | ||
108 | ||
109 | //======================================================================= | |
110 | //function : Plane | |
111 | //purpose : | |
112 | //======================================================================= | |
113 | ||
114 | const Handle(Geom_Plane)& BRepLib::Plane() | |
115 | { | |
116 | if (thePlane.IsNull()) thePlane = new Geom_Plane(gp::XOY()); | |
117 | return thePlane; | |
118 | } | |
119 | //======================================================================= | |
120 | //function : CheckSameRange | |
121 | //purpose : | |
122 | //======================================================================= | |
123 | ||
124 | Standard_Boolean BRepLib::CheckSameRange(const TopoDS_Edge& AnEdge, | |
125 | const Standard_Real Tolerance) | |
126 | { | |
127 | Standard_Boolean IsSameRange = Standard_True, | |
128 | first_time_in = Standard_True ; | |
129 | ||
130 | BRep_ListIteratorOfListOfCurveRepresentation an_Iterator | |
131 | ((*((Handle(BRep_TEdge)*)&AnEdge.TShape()))->ChangeCurves()); | |
132 | ||
133 | Standard_Real first, last; | |
134 | #ifndef DEB | |
135 | Standard_Real current_first =0., current_last =0. ; | |
136 | #else | |
137 | Standard_Real current_first,current_last ; | |
138 | #endif | |
139 | Handle(BRep_GCurve) geometric_representation_ptr ; | |
140 | ||
141 | while (IsSameRange && an_Iterator.More()) { | |
142 | geometric_representation_ptr = | |
143 | Handle(BRep_GCurve)::DownCast(an_Iterator.Value()); | |
144 | if (!geometric_representation_ptr.IsNull()) { | |
145 | ||
146 | first = geometric_representation_ptr->First(); | |
147 | last = geometric_representation_ptr->Last(); | |
148 | if (first_time_in ) { | |
149 | current_first = first ; | |
150 | current_last = last ; | |
151 | first_time_in = Standard_False ; | |
152 | } | |
153 | else { | |
154 | IsSameRange = (Abs(current_first - first) <= Tolerance) | |
155 | && (Abs(current_last -last) <= Tolerance ) ; | |
156 | } | |
157 | } | |
158 | an_Iterator.Next() ; | |
159 | } | |
160 | return IsSameRange ; | |
161 | } | |
162 | ||
163 | //======================================================================= | |
164 | //function : SameRange | |
165 | //purpose : | |
166 | //======================================================================= | |
167 | ||
168 | void BRepLib::SameRange(const TopoDS_Edge& AnEdge, | |
169 | const Standard_Real Tolerance) | |
170 | { | |
171 | BRep_ListIteratorOfListOfCurveRepresentation an_Iterator | |
172 | ((*((Handle(BRep_TEdge)*)&AnEdge.TShape()))->ChangeCurves()); | |
173 | ||
174 | Handle(Geom2d_Curve) Curve2dPtr, Curve2dPtr2, NewCurve2dPtr, NewCurve2dPtr2; | |
175 | TopLoc_Location LocalLoc ; | |
176 | ||
177 | Standard_Boolean first_time_in = Standard_True, | |
178 | has_curve, | |
179 | has_closed_curve ; | |
180 | Handle(BRep_GCurve) geometric_representation_ptr ; | |
181 | Standard_Real first, | |
182 | current_first, | |
183 | last, | |
184 | current_last ; | |
185 | ||
186 | const Handle(Geom_Curve) C = BRep_Tool::Curve(AnEdge, | |
187 | LocalLoc, | |
188 | current_first, | |
189 | current_last); | |
190 | if (!C.IsNull()) { | |
191 | first_time_in = Standard_False ; | |
192 | } | |
193 | ||
194 | while (an_Iterator.More()) { | |
195 | geometric_representation_ptr = | |
196 | Handle(BRep_GCurve)::DownCast(an_Iterator.Value()); | |
197 | if (! geometric_representation_ptr.IsNull()) { | |
198 | has_closed_curve = | |
199 | has_curve = Standard_False ; | |
200 | first = geometric_representation_ptr->First(); | |
201 | last = geometric_representation_ptr->Last(); | |
202 | if (geometric_representation_ptr->IsCurveOnSurface()) { | |
203 | Curve2dPtr = geometric_representation_ptr->PCurve() ; | |
204 | has_curve = Standard_True ; | |
205 | } | |
206 | if (geometric_representation_ptr->IsCurveOnClosedSurface()) { | |
207 | Curve2dPtr2 = geometric_representation_ptr->PCurve2() ; | |
208 | has_closed_curve = Standard_True ; | |
209 | } | |
210 | if (has_curve || has_closed_curve) { | |
211 | if (first_time_in) { | |
212 | current_first = first ; | |
213 | current_last = last ; | |
214 | first_time_in = Standard_False ; | |
215 | } | |
216 | ||
217 | if (Abs(first - current_first) > Precision::Confusion() || | |
218 | Abs(last - current_last) > Precision::Confusion() ) | |
219 | { | |
220 | if (has_curve) | |
221 | { | |
222 | GeomLib::SameRange(Tolerance, | |
223 | Curve2dPtr, | |
224 | geometric_representation_ptr->First(), | |
225 | geometric_representation_ptr->Last(), | |
226 | current_first, | |
227 | current_last, | |
228 | NewCurve2dPtr); | |
229 | geometric_representation_ptr->PCurve(NewCurve2dPtr) ; | |
230 | } | |
231 | if (has_closed_curve) | |
232 | { | |
233 | GeomLib::SameRange(Tolerance, | |
234 | Curve2dPtr2, | |
235 | geometric_representation_ptr->First(), | |
236 | geometric_representation_ptr->Last(), | |
237 | current_first, | |
238 | current_last, | |
239 | NewCurve2dPtr2); | |
240 | geometric_representation_ptr->PCurve2(NewCurve2dPtr2) ; | |
241 | } | |
242 | } | |
243 | } | |
244 | } | |
245 | an_Iterator.Next() ; | |
246 | } | |
247 | BRep_Builder B; | |
248 | B.Range(TopoDS::Edge(AnEdge), | |
249 | current_first, | |
250 | current_last) ; | |
251 | ||
252 | B.SameRange(AnEdge, | |
253 | Standard_True) ; | |
254 | } | |
255 | ||
256 | //======================================================================= | |
257 | //function : EvaluateMaxSegment | |
258 | //purpose : return MaxSegment to pass in approximation, if MaxSegment==0 provided | |
259 | //======================================================================= | |
260 | ||
261 | static Standard_Integer evaluateMaxSegment(const Standard_Integer aMaxSegment, | |
262 | const Adaptor3d_CurveOnSurface& aCurveOnSurface) | |
263 | { | |
264 | if (aMaxSegment != 0) return aMaxSegment; | |
265 | ||
266 | Handle(Adaptor3d_HSurface) aSurf = aCurveOnSurface.GetSurface(); | |
267 | Handle(Adaptor2d_HCurve2d) aCurv2d = aCurveOnSurface.GetCurve(); | |
268 | ||
269 | Standard_Real aNbSKnots = 0, aNbC2dKnots = 0; | |
270 | ||
271 | if (aSurf->GetType() == GeomAbs_BSplineSurface) { | |
272 | Handle(Geom_BSplineSurface) aBSpline = aSurf->BSpline(); | |
273 | aNbSKnots = Max(aBSpline->NbUKnots(), aBSpline->NbVKnots()); | |
274 | } | |
275 | if (aCurv2d->GetType() == GeomAbs_BSplineCurve) { | |
276 | aNbC2dKnots = aCurv2d->NbKnots(); | |
277 | } | |
278 | Standard_Integer aReturn = (Standard_Integer) ( 30 + Max(aNbSKnots, aNbC2dKnots) ) ; | |
279 | return aReturn; | |
280 | } | |
281 | ||
282 | //======================================================================= | |
283 | //function : BuildCurve3d | |
284 | //purpose : | |
285 | //======================================================================= | |
286 | ||
287 | Standard_Boolean BRepLib::BuildCurve3d(const TopoDS_Edge& AnEdge, | |
288 | const Standard_Real Tolerance, | |
289 | const GeomAbs_Shape Continuity, | |
290 | const Standard_Integer MaxDegree, | |
291 | const Standard_Integer MaxSegment) | |
292 | { | |
293 | Standard_Integer //ErrorCode, | |
294 | // ReturnCode = 0, | |
295 | ii, | |
296 | // num_knots, | |
297 | jj; | |
298 | ||
299 | TopLoc_Location LocalLoc,L[2],LC; | |
300 | Standard_Real f,l,fc,lc, first[2], last[2], | |
301 | tolerance, | |
302 | max_deviation, | |
303 | average_deviation ; | |
304 | Handle(Geom2d_Curve) Curve2dPtr, Curve2dArray[2] ; | |
305 | Handle(Geom_Surface) SurfacePtr, SurfaceArray[2] ; | |
306 | ||
307 | Standard_Integer not_done ; | |
308 | // if the edge has a 3d curve returns true | |
309 | ||
310 | ||
311 | const Handle(Geom_Curve) C = BRep_Tool::Curve(AnEdge,LocalLoc,f,l); | |
312 | if (!C.IsNull()) | |
313 | return Standard_True; | |
314 | // | |
315 | // this should not exists but UpdateEdge makes funny things | |
316 | // if the edge is not same range | |
317 | // | |
318 | if (! CheckSameRange(AnEdge, | |
319 | Precision::Confusion())) { | |
320 | SameRange(AnEdge, | |
321 | Tolerance) ; | |
322 | } | |
323 | ||
324 | ||
325 | ||
326 | // search a curve on a plane | |
327 | Handle(Geom_Surface) S; | |
328 | Handle(Geom2d_Curve) PC; | |
329 | Standard_Integer i = 0; | |
330 | Handle(Geom_Plane) P; | |
331 | not_done = 1 ; | |
332 | ||
333 | while (not_done) { | |
334 | i++; | |
335 | BRep_Tool::CurveOnSurface(AnEdge,PC,S,LocalLoc,f,l,i); | |
336 | Handle(Geom_RectangularTrimmedSurface) RT = | |
337 | Handle(Geom_RectangularTrimmedSurface)::DownCast(S); | |
338 | if ( RT.IsNull()) { | |
339 | P = Handle(Geom_Plane)::DownCast(S); | |
340 | } | |
341 | else { | |
342 | P = Handle(Geom_Plane)::DownCast(RT->BasisSurface()); | |
343 | } | |
344 | not_done = ! (S.IsNull() || !P.IsNull()) ; | |
345 | } | |
346 | if (! P.IsNull()) { | |
347 | // compute the 3d curve | |
348 | gp_Ax2 axes = P->Position().Ax2(); | |
349 | Handle(Geom_Curve) C3d = GeomLib::To3d(axes,PC); | |
350 | ||
351 | // update the edge | |
352 | Standard_Real First, Last; | |
353 | ||
354 | BRep_Builder B; | |
355 | Standard_Boolean is_closed ; | |
356 | is_closed = AnEdge.Closed() ; | |
357 | ||
358 | B.UpdateEdge(AnEdge,C3d,LocalLoc,0.0e0); | |
359 | BRep_Tool::Range(AnEdge, S, LC, First, Last); | |
0d969553 | 360 | B.Range(AnEdge, First, Last); //Do not forget 3D range.(PRO6412) |
7fd59977 | 361 | TopoDS_Edge E = AnEdge ; |
362 | E.Closed(is_closed) ; | |
363 | ||
364 | } | |
365 | else { | |
366 | // | |
367 | // compute the 3d curve using existing surface | |
368 | // | |
369 | fc = f ; | |
370 | lc = l ; | |
371 | if (!BRep_Tool::Degenerated(AnEdge)) { | |
372 | jj = 0 ; | |
373 | for (ii = 0 ; ii < 3 ; ii++ ) { | |
374 | BRep_Tool::CurveOnSurface(TopoDS::Edge(AnEdge), | |
375 | Curve2dPtr, | |
376 | SurfacePtr, | |
377 | LocalLoc, | |
378 | fc, | |
379 | lc, | |
380 | ii) ; | |
381 | ||
382 | if (!Curve2dPtr.IsNull() && jj < 2){ | |
383 | Curve2dArray[jj] = Curve2dPtr ; | |
384 | SurfaceArray[jj] = SurfacePtr ; | |
385 | L[jj] = LocalLoc ; | |
386 | first[jj] = fc ; | |
387 | last[jj] = lc ; | |
388 | jj += 1 ; | |
389 | } | |
390 | } | |
391 | f = first[0] ; | |
392 | l = last[0] ; | |
393 | Curve2dPtr = Curve2dArray[0] ; | |
394 | SurfacePtr = SurfaceArray[0] ; | |
395 | ||
396 | Geom2dAdaptor_Curve AnAdaptor3dCurve2d (Curve2dPtr, f, l) ; | |
397 | GeomAdaptor_Surface AnAdaptor3dSurface (SurfacePtr) ; | |
398 | Handle(Geom2dAdaptor_HCurve) AnAdaptor3dCurve2dPtr = | |
399 | new Geom2dAdaptor_HCurve(AnAdaptor3dCurve2d) ; | |
400 | Handle(GeomAdaptor_HSurface) AnAdaptor3dSurfacePtr = | |
401 | new GeomAdaptor_HSurface (AnAdaptor3dSurface) ; | |
402 | Adaptor3d_CurveOnSurface CurveOnSurface( AnAdaptor3dCurve2dPtr, | |
403 | AnAdaptor3dSurfacePtr) ; | |
404 | ||
405 | Handle(Geom_Curve) NewCurvePtr ; | |
406 | ||
407 | GeomLib::BuildCurve3d(Tolerance, | |
408 | CurveOnSurface, | |
409 | f, | |
410 | l, | |
411 | NewCurvePtr, | |
412 | max_deviation, | |
413 | average_deviation, | |
414 | Continuity, | |
415 | MaxDegree, | |
416 | evaluateMaxSegment(MaxSegment,CurveOnSurface)) ; | |
417 | BRep_Builder B; | |
418 | tolerance = BRep_Tool::Tolerance(AnEdge) ; | |
419 | //Patch | |
420 | //max_deviation = Max(tolerance, max_deviation) ; | |
421 | max_deviation = Max( tolerance, Tolerance ); | |
422 | ||
423 | Standard_Boolean is_closed ; | |
424 | is_closed = AnEdge.Closed() ; | |
425 | B.UpdateEdge(TopoDS::Edge(AnEdge), | |
426 | NewCurvePtr, | |
427 | L[0], | |
428 | max_deviation) ; | |
429 | TopoDS_Edge E = AnEdge ; | |
430 | E.Closed(is_closed) ; | |
431 | if (jj == 1 ) { | |
432 | // | |
433 | // if there is only one curve on surface attached to the edge | |
434 | // than it can be qualified sameparameter | |
435 | // | |
436 | B.SameParameter(TopoDS::Edge(AnEdge), | |
437 | Standard_True) ; | |
438 | } | |
439 | } | |
440 | else { | |
441 | return Standard_False ; | |
442 | } | |
443 | ||
444 | } | |
445 | return Standard_True; | |
446 | } | |
447 | //======================================================================= | |
448 | //function : BuildCurves3d | |
449 | //purpose : | |
450 | //======================================================================= | |
451 | ||
452 | Standard_Boolean BRepLib::BuildCurves3d(const TopoDS_Shape& S) | |
453 | ||
454 | { | |
455 | return BRepLib::BuildCurves3d(S, | |
456 | 1.0e-5) ; | |
457 | } | |
458 | ||
459 | //======================================================================= | |
460 | //function : BuildCurves3d | |
461 | //purpose : | |
462 | //======================================================================= | |
463 | ||
464 | Standard_Boolean BRepLib::BuildCurves3d(const TopoDS_Shape& S, | |
465 | const Standard_Real Tolerance, | |
466 | const GeomAbs_Shape Continuity, | |
467 | const Standard_Integer MaxDegree, | |
468 | const Standard_Integer MaxSegment) | |
469 | { | |
470 | Standard_Boolean boolean_value, | |
471 | ok = Standard_True; | |
472 | TopTools_MapOfShape a_counter ; | |
473 | TopExp_Explorer ex(S,TopAbs_EDGE); | |
474 | ||
475 | while (ex.More()) { | |
476 | if (a_counter.Add(ex.Current())) { | |
477 | boolean_value = | |
478 | BuildCurve3d(TopoDS::Edge(ex.Current()), | |
479 | Tolerance, Continuity, | |
480 | MaxDegree, MaxSegment); | |
481 | ok = ok && boolean_value ; | |
482 | } | |
483 | ex.Next(); | |
484 | } | |
485 | return ok; | |
486 | } | |
487 | //======================================================================= | |
488 | //function : UpdateEdgeTolerance | |
489 | //purpose : | |
490 | //======================================================================= | |
491 | ||
492 | Standard_Boolean BRepLib::UpdateEdgeTol(const TopoDS_Edge& AnEdge, | |
493 | const Standard_Real MinToleranceRequested, | |
494 | const Standard_Real MaxToleranceToCheck) | |
495 | { | |
496 | ||
497 | Standard_Integer curve_on_surface_index, | |
498 | curve_index, | |
499 | not_done, | |
500 | has_closed_curve, | |
501 | has_curve, | |
502 | jj, | |
503 | ii, | |
504 | geom_reference_curve_flag = 0, | |
505 | max_sampling_points = 90, | |
506 | min_sampling_points = 30 ; | |
507 | ||
508 | Standard_Real factor = 100.0e0, | |
509 | // sampling_array[2], | |
510 | safe_factor = 1.4e0, | |
511 | current_last, | |
512 | current_first, | |
513 | max_distance, | |
514 | coded_edge_tolerance, | |
515 | edge_tolerance = 0.0e0 ; | |
516 | Handle(TColStd_HArray1OfReal) parameters_ptr ; | |
517 | Handle(BRep_GCurve) geometric_representation_ptr ; | |
518 | ||
519 | if (BRep_Tool::Degenerated(AnEdge)) return Standard_False ; | |
520 | coded_edge_tolerance = BRep_Tool::Tolerance(AnEdge) ; | |
521 | if (coded_edge_tolerance > MaxToleranceToCheck) return Standard_False ; | |
522 | ||
523 | const Handle(BRep_TEdge)& TE = *((Handle(BRep_TEdge)*)&AnEdge.TShape()); | |
524 | BRep_ListOfCurveRepresentation& list_curve_rep = TE->ChangeCurves() ; | |
525 | BRep_ListIteratorOfListOfCurveRepresentation an_iterator(list_curve_rep), | |
526 | second_iterator(list_curve_rep) ; | |
527 | Handle(Geom2d_Curve) curve2d_ptr, new_curve2d_ptr; | |
528 | Handle(Geom_Surface) surface_ptr ; | |
529 | TopLoc_Location local_location ; | |
530 | GCPnts_QuasiUniformDeflection a_sampler ; | |
531 | GeomAdaptor_Curve geom_reference_curve ; | |
532 | Adaptor3d_CurveOnSurface curve_on_surface_reference ; | |
533 | Handle(Geom_Curve) C = BRep_Tool::Curve(AnEdge, | |
534 | local_location, | |
535 | current_first, | |
536 | current_last); | |
537 | curve_on_surface_index = -1 ; | |
538 | if (!C.IsNull()) { | |
539 | if (! local_location.IsIdentity()) { | |
540 | C = Handle(Geom_Curve):: | |
541 | DownCast(C-> Transformed(local_location.Transformation()) ) ; | |
542 | } | |
543 | geom_reference_curve.Load(C) ; | |
544 | geom_reference_curve_flag = 1 ; | |
545 | a_sampler.Initialize(geom_reference_curve, | |
546 | MinToleranceRequested * factor, | |
547 | current_first, | |
548 | current_last) ; | |
549 | } | |
550 | else { | |
551 | not_done = 1 ; | |
552 | curve_on_surface_index = 0 ; | |
553 | ||
554 | while (not_done && an_iterator.More()) { | |
555 | geometric_representation_ptr = | |
556 | Handle(BRep_GCurve)::DownCast(second_iterator.Value()); | |
557 | if (!geometric_representation_ptr.IsNull() | |
558 | && geometric_representation_ptr->IsCurveOnSurface()) { | |
559 | curve2d_ptr = geometric_representation_ptr->PCurve() ; | |
560 | local_location = geometric_representation_ptr->Location() ; | |
561 | current_first = geometric_representation_ptr->First(); | |
562 | //first = geometric_representation_ptr->First(); | |
563 | current_last = geometric_representation_ptr->Last(); | |
564 | // must be inverted | |
565 | // | |
566 | if (! local_location.IsIdentity() ) { | |
567 | surface_ptr = Handle(Geom_Surface):: | |
568 | DownCast( geometric_representation_ptr->Surface()-> | |
569 | Transformed(local_location.Transformation()) ) ; | |
570 | } | |
571 | else { | |
572 | surface_ptr = | |
573 | geometric_representation_ptr->Surface() ; | |
574 | } | |
575 | not_done = 0 ; | |
576 | } | |
577 | curve_on_surface_index += 1 ; | |
578 | } | |
579 | Geom2dAdaptor_Curve AnAdaptor3dCurve2d (curve2d_ptr) ; | |
580 | GeomAdaptor_Surface AnAdaptor3dSurface (surface_ptr) ; | |
581 | Handle(Geom2dAdaptor_HCurve) AnAdaptor3dCurve2dPtr = | |
582 | new Geom2dAdaptor_HCurve(AnAdaptor3dCurve2d) ; | |
583 | Handle(GeomAdaptor_HSurface) AnAdaptor3dSurfacePtr = | |
584 | new GeomAdaptor_HSurface (AnAdaptor3dSurface) ; | |
585 | curve_on_surface_reference.Load( AnAdaptor3dCurve2dPtr) ; | |
586 | curve_on_surface_reference.Load( AnAdaptor3dSurfacePtr) ; | |
587 | a_sampler.Initialize(curve_on_surface_reference, | |
588 | MinToleranceRequested * factor, | |
589 | current_first, | |
590 | current_last) ; | |
591 | } | |
592 | TColStd_Array1OfReal sampling_parameters(1,a_sampler.NbPoints()) ; | |
593 | for (ii = 1 ; ii <= a_sampler.NbPoints() ; ii++) { | |
594 | sampling_parameters(ii) = a_sampler.Parameter(ii) ; | |
595 | } | |
596 | if (a_sampler.NbPoints() < min_sampling_points) { | |
597 | GeomLib::DensifyArray1OfReal(min_sampling_points, | |
598 | sampling_parameters, | |
599 | parameters_ptr) ; | |
600 | } | |
601 | else if (a_sampler.NbPoints() > max_sampling_points) { | |
602 | GeomLib::RemovePointsFromArray(max_sampling_points, | |
603 | sampling_parameters, | |
604 | parameters_ptr) ; | |
605 | } | |
606 | else { | |
607 | jj = 1 ; | |
608 | parameters_ptr = | |
609 | new TColStd_HArray1OfReal(1,sampling_parameters.Length()) ; | |
610 | for (ii = sampling_parameters.Lower() ; ii <= sampling_parameters.Upper() ; ii++) { | |
611 | parameters_ptr->ChangeArray1()(jj) = | |
612 | sampling_parameters(ii) ; | |
613 | jj +=1 ; | |
614 | } | |
615 | } | |
616 | ||
617 | curve_index = 0 ; | |
618 | ||
619 | while (second_iterator.More()) { | |
620 | geometric_representation_ptr = | |
621 | Handle(BRep_GCurve)::DownCast(second_iterator.Value()); | |
622 | if (! geometric_representation_ptr.IsNull() && | |
623 | curve_index != curve_on_surface_index) { | |
624 | has_closed_curve = | |
625 | has_curve = Standard_False ; | |
626 | // first = geometric_representation_ptr->First(); | |
627 | // last = geometric_representation_ptr->Last(); | |
628 | local_location = geometric_representation_ptr->Location() ; | |
629 | if (geometric_representation_ptr->IsCurveOnSurface()) { | |
630 | curve2d_ptr = geometric_representation_ptr->PCurve() ; | |
631 | has_curve = Standard_True ; | |
632 | } | |
633 | if (geometric_representation_ptr->IsCurveOnClosedSurface()) { | |
634 | curve2d_ptr = geometric_representation_ptr->PCurve2() ; | |
635 | has_closed_curve = Standard_True ; | |
636 | } | |
637 | ||
638 | if (has_curve || | |
639 | has_closed_curve) { | |
640 | if (! local_location.IsIdentity() ) { | |
641 | surface_ptr = Handle(Geom_Surface):: | |
642 | DownCast( geometric_representation_ptr->Surface()-> | |
643 | Transformed(local_location.Transformation()) ) ; | |
644 | } | |
645 | else { | |
646 | surface_ptr = | |
647 | geometric_representation_ptr->Surface() ; | |
648 | } | |
649 | Geom2dAdaptor_Curve an_adaptor_curve2d (curve2d_ptr) ; | |
650 | GeomAdaptor_Surface an_adaptor_surface(surface_ptr) ; | |
651 | Handle(Geom2dAdaptor_HCurve) an_adaptor_curve2d_ptr = | |
652 | new Geom2dAdaptor_HCurve(an_adaptor_curve2d) ; | |
653 | Handle(GeomAdaptor_HSurface) an_adaptor_surface_ptr = | |
654 | new GeomAdaptor_HSurface (an_adaptor_surface) ; | |
655 | Adaptor3d_CurveOnSurface a_curve_on_surface(an_adaptor_curve2d_ptr, | |
656 | an_adaptor_surface_ptr) ; | |
657 | ||
658 | if (BRep_Tool::SameParameter(AnEdge)) { | |
659 | ||
660 | GeomLib::EvalMaxParametricDistance(a_curve_on_surface, | |
661 | geom_reference_curve, | |
662 | MinToleranceRequested, | |
663 | parameters_ptr->Array1(), | |
664 | max_distance) ; | |
665 | } | |
666 | else if (geom_reference_curve_flag) { | |
667 | GeomLib::EvalMaxDistanceAlongParameter(a_curve_on_surface, | |
668 | geom_reference_curve, | |
669 | MinToleranceRequested, | |
670 | parameters_ptr->Array1(), | |
671 | max_distance) ; | |
672 | } | |
673 | else { | |
674 | ||
675 | GeomLib::EvalMaxDistanceAlongParameter(a_curve_on_surface, | |
676 | curve_on_surface_reference, | |
677 | MinToleranceRequested, | |
678 | parameters_ptr->Array1(), | |
679 | max_distance) ; | |
680 | } | |
681 | max_distance *= safe_factor ; | |
682 | edge_tolerance = Max(max_distance, edge_tolerance) ; | |
683 | } | |
684 | ||
685 | ||
686 | } | |
687 | curve_index += 1 ; | |
688 | second_iterator.Next() ; | |
689 | } | |
690 | ||
691 | TE->Tolerance(edge_tolerance); | |
692 | return Standard_True ; | |
693 | ||
694 | } | |
695 | //======================================================================= | |
696 | //function : UpdateEdgeTolerance | |
697 | //purpose : | |
698 | //======================================================================= | |
699 | ||
700 | Standard_Boolean BRepLib::UpdateEdgeTolerance(const TopoDS_Shape& S, | |
701 | const Standard_Real MinToleranceRequested, | |
702 | const Standard_Real MaxToleranceToCheck) | |
703 | { | |
704 | TopExp_Explorer ex(S,TopAbs_EDGE); | |
705 | TopTools_MapOfShape a_counter ; | |
706 | ||
707 | Standard_Boolean return_status = Standard_False, | |
708 | local_flag ; | |
709 | ||
710 | while (ex.More()) { | |
711 | if (a_counter.Add(ex.Current())) { | |
712 | local_flag = | |
713 | BRepLib::UpdateEdgeTol(TopoDS::Edge(ex.Current()), | |
714 | MinToleranceRequested, | |
715 | MaxToleranceToCheck) ; | |
716 | if (local_flag && ! return_status) { | |
717 | return_status = Standard_True ; | |
718 | } | |
719 | } | |
720 | ex.Next(); | |
721 | } | |
722 | return return_status ; | |
723 | } | |
724 | ||
725 | //======================================================================= | |
726 | //function : SetEdgeTol | |
727 | //purpose : | |
728 | //======================================================================= | |
729 | ||
730 | static void SetEdgeTol(const TopoDS_Edge& E, | |
731 | const TopoDS_Face& F) | |
732 | { | |
733 | TopLoc_Location L; | |
734 | const Handle(Geom_Surface)& S = BRep_Tool::Surface(F,L); | |
735 | TopLoc_Location l = L.Predivided(E.Location()); | |
736 | ||
737 | const Handle(BRep_TEdge)& TE = *((Handle(BRep_TEdge)*)&E.TShape()); | |
738 | BRep_ListIteratorOfListOfCurveRepresentation itcr(TE->ChangeCurves()); | |
739 | ||
740 | while (itcr.More()) { | |
741 | const Handle(BRep_CurveRepresentation)& cr = itcr.Value(); | |
742 | if(cr->IsCurveOnSurface(S,l)) return; | |
743 | itcr.Next(); | |
744 | } | |
745 | ||
746 | Handle(Geom_Plane) GP; | |
747 | Handle(Geom_RectangularTrimmedSurface) GRTS; | |
748 | GRTS = Handle(Geom_RectangularTrimmedSurface)::DownCast(S); | |
749 | if(!GRTS.IsNull()) | |
750 | GP = Handle(Geom_Plane)::DownCast(GRTS->BasisSurface()); | |
751 | else | |
752 | GP = Handle(Geom_Plane)::DownCast(S); | |
753 | ||
754 | static Handle(GeomAdaptor_HCurve) HC; | |
755 | static Handle(GeomAdaptor_HSurface) HS; | |
756 | if (HC.IsNull()) { | |
757 | HC = new GeomAdaptor_HCurve(); | |
758 | HS = new GeomAdaptor_HSurface(); | |
759 | } | |
760 | ||
761 | TopLoc_Location LC; | |
762 | Standard_Real First, Last; | |
763 | GeomAdaptor_Curve& GAC = HC->ChangeCurve(); | |
764 | GAC.Load(BRep_Tool::Curve(E,LC,First,Last)); | |
765 | LC = L.Predivided(LC); | |
766 | ||
767 | if (!LC.IsIdentity()) { | |
768 | GP = Handle(Geom_Plane)::DownCast( | |
769 | GP->Transformed(LC.Transformation())); | |
770 | } | |
771 | GeomAdaptor_Surface& GAS = HS->ChangeSurface(); | |
772 | GAS.Load(GP); | |
773 | ||
774 | ProjLib_ProjectedCurve Proj(HS,HC); | |
775 | Handle(Geom2d_Curve) pc = Geom2dAdaptor::MakeCurve(Proj); | |
776 | ||
777 | gp_Pln pln = GAS.Plane(); | |
778 | Standard_Real d2 = 0.; | |
779 | Standard_Integer nn = 23; | |
780 | Standard_Real unsurnn = 1./nn; | |
781 | for(Standard_Integer i = 0; i <= nn; i++){ | |
782 | Standard_Real t = unsurnn*i; | |
783 | Standard_Real u = First*(1.-t) + Last*t; | |
784 | gp_Pnt Pc3d = HC->Value(u); | |
785 | gp_Pnt2d p2d = pc->Value(u); | |
786 | gp_Pnt Pcons = ElSLib::Value(p2d.X(),p2d.Y(),pln); | |
787 | Standard_Real temp = Pc3d.SquareDistance(Pcons); | |
788 | if(temp > d2) d2 = temp; | |
789 | } | |
790 | d2 = 1.5*sqrt(d2); | |
791 | TE->UpdateTolerance(d2); | |
792 | } | |
793 | ||
794 | //======================================================================= | |
795 | //function : SameParameter | |
796 | //purpose : | |
797 | //======================================================================= | |
798 | void BRepLib::SameParameter(const TopoDS_Shape& S, | |
799 | const Standard_Real Tolerance, | |
800 | const Standard_Boolean forced) | |
801 | { | |
802 | TopExp_Explorer ex(S,TopAbs_EDGE); | |
803 | TopTools_MapOfShape Done; | |
804 | BRep_Builder brB; | |
805 | ||
806 | while (ex.More()) { | |
807 | if (Done.Add(ex.Current())) { | |
808 | if (forced) { | |
809 | brB.SameRange(TopoDS::Edge(ex.Current()), Standard_False); | |
810 | brB.SameParameter(TopoDS::Edge(ex.Current()), Standard_False); | |
811 | } | |
812 | BRepLib::SameParameter(TopoDS::Edge(ex.Current()),Tolerance); | |
813 | } | |
814 | ex.Next(); | |
815 | } | |
816 | ||
817 | Done.Clear(); | |
818 | BRepAdaptor_Surface BS; | |
819 | for(ex.Init(S,TopAbs_FACE); ex.More(); ex.Next()){ | |
820 | const TopoDS_Face& curface = TopoDS::Face(ex.Current()); | |
821 | if(!Done.Add(curface)) continue; | |
822 | BS.Initialize(curface); | |
823 | if(BS.GetType() != GeomAbs_Plane) continue; | |
824 | TopExp_Explorer ex2; | |
825 | for(ex2.Init(curface,TopAbs_EDGE); ex2.More(); ex2.Next()){ | |
826 | const TopoDS_Edge& E = TopoDS::Edge(ex2.Current()); | |
827 | SetEdgeTol(E,curface); | |
828 | } | |
829 | } | |
830 | BRepLib::UpdateTolerances(S); | |
831 | } | |
832 | ||
0d969553 | 833 | //================================================================ |
7fd59977 | 834 | //function : SameParameter |
0d969553 Y |
835 | //WARNING : New spec DUB LBO 9/9/97. |
836 | // Recode in the edge the best tolerance found, | |
837 | // for vertex extremities it is required to find something else | |
838 | //================================================================ | |
7fd59977 | 839 | static Standard_Boolean EvalTol(const Handle(Geom2d_Curve)& pc, |
840 | const Handle(Geom_Surface)& s, | |
841 | const GeomAdaptor_Curve& gac, | |
842 | const Standard_Real tol, | |
843 | Standard_Real& tolbail) | |
844 | { | |
845 | Standard_Integer ok = 0; | |
846 | Standard_Real f = gac.FirstParameter(); | |
847 | Standard_Real l = gac.LastParameter(); | |
848 | Extrema_LocateExtPC Projector; | |
849 | Projector.Initialize(gac,f,l,tol); | |
850 | Standard_Real u,v; | |
851 | gp_Pnt p; | |
852 | tolbail = tol; | |
853 | for(Standard_Integer i = 1; i <= 5; i++){ | |
854 | Standard_Real t = i/6.; | |
855 | t = (1.-t) * f + t * l; | |
856 | pc->Value(t).Coord(u,v); | |
857 | p = s->Value(u,v); | |
858 | Projector.Perform(p,t); | |
859 | if (Projector.IsDone()) { | |
860 | Standard_Real dist2 = Projector.SquareDistance(); | |
861 | if(dist2 > tolbail * tolbail) tolbail = sqrt (dist2); | |
862 | ok++; | |
863 | } | |
864 | } | |
865 | return (ok > 2); | |
866 | } | |
867 | ||
868 | static Standard_Real ComputeTol(const Handle(Adaptor3d_HCurve)& c3d, | |
869 | const Handle(Adaptor2d_HCurve2d)& c2d, | |
870 | const Handle(Adaptor3d_HSurface)& surf, | |
871 | const Standard_Integer nbp) | |
872 | ||
873 | { | |
874 | ||
875 | TColStd_Array1OfReal dist(1,nbp+10); | |
876 | dist.Init(-1.); | |
877 | ||
878 | ||
879 | Adaptor3d_CurveOnSurface cons(c2d,surf); | |
880 | Standard_Real d2 = 0.; | |
881 | Standard_Integer nn = nbp; | |
882 | Standard_Real unsurnn = 1./nn; | |
883 | Standard_Real first = c3d->FirstParameter(); | |
884 | Standard_Real last = c3d->LastParameter(); | |
885 | Standard_Integer i = 0; | |
886 | for(i = 0; i <= nn; i++){ | |
887 | Standard_Real t = unsurnn*i; | |
888 | Standard_Real u = first*(1.-t) + last*t; | |
889 | gp_Pnt Pc3d = c3d->Value(u); | |
890 | gp_Pnt Pcons = cons.Value(u); | |
891 | if (Precision::IsInfinite(Pcons.X()) || | |
892 | Precision::IsInfinite(Pcons.Y()) || | |
893 | Precision::IsInfinite(Pcons.Z())) { | |
894 | d2=Precision::Infinite(); | |
895 | break; | |
896 | } | |
897 | Standard_Real temp = Pc3d.SquareDistance(Pcons); | |
898 | ||
899 | ||
900 | dist(i+1) = temp; | |
901 | ||
902 | ||
903 | if(temp > d2) d2 = temp; | |
904 | } | |
905 | ||
906 | ||
907 | Standard_Boolean ana = Standard_False; | |
908 | Standard_Real D2 = 0; | |
909 | Standard_Integer N1 = 0; | |
910 | Standard_Integer N2 = 0; | |
911 | Standard_Integer N3 = 0; | |
912 | ||
913 | for( i = 1; i<= nbp+10; i++) | |
914 | if( dist(i) > 0 ) { | |
915 | if( dist(i) < 1.0 ) N1++; | |
916 | else N2++; | |
917 | } | |
918 | ||
919 | if( N1 > N2 && N2 != 0 ) N3 = 100*N2/(N1+N2); | |
920 | if( N3 < 10 && N3 != 0 ) { | |
921 | ana = Standard_True; | |
922 | for( i = 1; i<= nbp+10; i++) | |
923 | if( dist(i) > 0 && dist(i) < 1.0 ) | |
924 | if( dist(i) > D2 ) D2 = dist(i); | |
925 | } | |
926 | ||
927 | //d2 = 1.5*sqrt(d2); | |
928 | d2 = (!ana) ? 1.5*sqrt(d2) : 1.5*sqrt(D2); | |
929 | if(d2<1.e-7) d2 = 1.e-7; | |
930 | ||
931 | return d2; | |
932 | } | |
933 | ||
934 | ||
935 | ||
936 | void BRepLib::SameParameter(const TopoDS_Edge& AnEdge, | |
937 | const Standard_Real Tolerance) | |
938 | { | |
939 | if (BRep_Tool::SameParameter(AnEdge)) return; | |
940 | ||
941 | const Standard_Integer NCONTROL = 22; | |
942 | ||
943 | static Handle(GeomAdaptor_HCurve) HC; | |
944 | static Handle(Geom2dAdaptor_HCurve) HC2d; | |
945 | static Handle(GeomAdaptor_HSurface) HS; | |
946 | if(HC.IsNull()){ | |
947 | HC = new GeomAdaptor_HCurve(); | |
948 | HC2d = new Geom2dAdaptor_HCurve(); | |
949 | HS = new GeomAdaptor_HSurface(); | |
950 | } | |
951 | GeomAdaptor_Curve& GAC = HC->ChangeCurve(); | |
952 | Geom2dAdaptor_Curve& GAC2d = HC2d->ChangeCurve2d(); | |
953 | GeomAdaptor_Surface& GAS = HS->ChangeSurface(); | |
954 | #ifndef DEB | |
955 | Standard_Real f3d =0.,l3d =0.; | |
956 | #else | |
957 | Standard_Real f3d,l3d; | |
958 | #endif | |
959 | TopLoc_Location L3d; | |
960 | Handle(Geom_Curve) C3d; | |
961 | ||
962 | const Handle(BRep_TEdge)& TE = *((Handle(BRep_TEdge)*) &AnEdge.TShape()); | |
963 | BRep_ListOfCurveRepresentation& CList = TE->ChangeCurves(); | |
964 | BRep_ListIteratorOfListOfCurveRepresentation It(CList); | |
965 | ||
966 | Standard_Boolean NotDone = Standard_True; | |
967 | ||
968 | while (NotDone && It.More()) { | |
969 | Handle(BRep_GCurve) GCurve = Handle(BRep_GCurve)::DownCast(It.Value()); | |
970 | if (!GCurve.IsNull() && GCurve->IsCurve3D()) { | |
971 | C3d = GCurve->Curve3D() ; | |
972 | f3d = GCurve->First(); | |
973 | l3d = GCurve->Last(); | |
974 | L3d = GCurve->Location() ; | |
975 | NotDone = Standard_False; | |
976 | } | |
977 | It.Next() ; | |
978 | } | |
979 | ||
980 | if(C3d.IsNull()) return; | |
981 | ||
982 | // modified by NIZHNY-OCC486 Tue Aug 27 17:15:13 2002 : | |
983 | Standard_Boolean m_TrimmedPeriodical = Standard_False; | |
984 | Handle(Standard_Type) TheType = C3d->DynamicType(); | |
985 | if( TheType == STANDARD_TYPE(Geom_TrimmedCurve)) | |
986 | { | |
987 | const Handle(Geom_Curve)& gtC = (*((Handle(Geom_TrimmedCurve)*)&C3d))->BasisCurve(); | |
988 | m_TrimmedPeriodical = gtC->IsPeriodic(); | |
989 | } | |
990 | // modified by NIZHNY-OCC486 Tue Aug 27 17:15:17 2002 . | |
991 | ||
992 | BRep_Builder B; | |
993 | if(!C3d->IsPeriodic()) { | |
994 | Standard_Real Udeb = C3d->FirstParameter(); | |
995 | Standard_Real Ufin = C3d->LastParameter(); | |
996 | // modified by NIZHNY-OCC486 Tue Aug 27 17:17:14 2002 : | |
997 | //if (Udeb > f3d) f3d = Udeb; | |
998 | //if (l3d > Ufin) l3d = Ufin; | |
999 | if(!m_TrimmedPeriodical) | |
1000 | { | |
1001 | if (Udeb > f3d) f3d = Udeb; | |
1002 | if (l3d > Ufin) l3d = Ufin; | |
1003 | } | |
1004 | // modified by NIZHNY-OCC486 Tue Aug 27 17:17:55 2002 . | |
1005 | } | |
1006 | if(!L3d.IsIdentity()){ | |
1007 | C3d = Handle(Geom_Curve)::DownCast(C3d->Transformed(L3d.Transformation())); | |
1008 | } | |
1009 | GAC.Load(C3d,f3d,l3d); | |
1010 | ||
1011 | Standard_Boolean IsSameP = 1; | |
1012 | Standard_Real maxdist = 0.; | |
1013 | ||
1014 | // Modified by skv - Thu Jun 3 12:39:19 2004 OCC5898 Begin | |
1015 | Standard_Real anEdgeTol = BRep_Tool::Tolerance(AnEdge); | |
1016 | // Modified by skv - Thu Jun 3 12:39:20 2004 OCC5898 End | |
1017 | Standard_Boolean SameRange = BRep_Tool::SameRange(AnEdge); | |
1018 | Standard_Boolean YaPCu = Standard_False; | |
1019 | It.Initialize(CList); | |
1020 | ||
1021 | while (It.More()) { | |
1022 | Standard_Boolean isANA = Standard_False; | |
1023 | Standard_Boolean isBSP = Standard_False; | |
1024 | Handle(BRep_GCurve) GCurve = Handle(BRep_GCurve)::DownCast(It.Value()); | |
1025 | Handle(Geom2d_Curve) PC[2]; | |
1026 | Handle(Geom_Surface) S; | |
1027 | if (!GCurve.IsNull() && GCurve->IsCurveOnSurface()) { | |
1028 | YaPCu = Standard_True; | |
1029 | PC[0] = GCurve->PCurve(); | |
1030 | TopLoc_Location PCLoc = GCurve->Location(); | |
1031 | S = GCurve->Surface(); | |
1032 | if (!PCLoc.IsIdentity() ) { | |
1033 | S = Handle(Geom_Surface)::DownCast(S->Transformed(PCLoc.Transformation())); | |
1034 | } | |
1035 | GAS.Load(S); | |
1036 | if (GCurve->IsCurveOnClosedSurface()) { | |
1037 | PC[1] = GCurve->PCurve2(); | |
1038 | } | |
1039 | ||
1040 | // Eval tol2d to compute SameRange | |
1041 | Standard_Real UResol = GAS.UResolution(Tolerance); | |
1042 | Standard_Real VResol = GAS.VResolution(Tolerance); | |
1043 | Standard_Real Tol2d = Min(UResol, VResol); | |
1044 | for(Standard_Integer i = 0; i < 2; i++){ | |
1045 | Handle(Geom2d_Curve) curPC = PC[i]; | |
1046 | Standard_Boolean updatepc = 0; | |
1047 | if(curPC.IsNull()) break; | |
1048 | if(!SameRange){ | |
1049 | GeomLib::SameRange(Tol2d, | |
1050 | PC[i],GCurve->First(),GCurve->Last(), | |
1051 | f3d,l3d,curPC); | |
1052 | ||
1053 | updatepc = (curPC != PC[i]); | |
1054 | ||
1055 | } | |
1056 | Standard_Boolean goodpc = 1; | |
1057 | GAC2d.Load(curPC,f3d,l3d); | |
1058 | ||
1059 | Standard_Real error = ComputeTol(HC, HC2d, HS, NCONTROL); | |
1060 | ||
1061 | if(GAC2d.GetType() == GeomAbs_BSplineCurve && | |
1062 | GAC2d.Continuity() == GeomAbs_C0) { | |
1063 | Handle(Geom2d_BSplineCurve) bs2d = GAC2d.BSpline(); | |
1064 | Handle(Geom2d_BSplineCurve) bs2dsov = bs2d; | |
1065 | Standard_Real fC0 = bs2d->FirstParameter(), lC0 = bs2d->LastParameter(); | |
1066 | Standard_Boolean repar = Standard_True; | |
1067 | gp_Pnt2d OriginPoint; | |
1068 | bs2d->D0(fC0, OriginPoint); | |
1069 | Geom2dConvert::C0BSplineToC1BSplineCurve(bs2d, Tol2d); | |
1070 | isBSP = Standard_True; | |
1071 | ||
1072 | if(bs2d->IsPeriodic()) { // -------- IFV, Jan 2000 | |
1073 | gp_Pnt2d NewOriginPoint; | |
1074 | bs2d->D0(bs2d->FirstParameter(), NewOriginPoint); | |
1075 | if(Abs(OriginPoint.X() - NewOriginPoint.X()) > Precision::PConfusion() || | |
1076 | Abs(OriginPoint.Y() - NewOriginPoint.Y()) > Precision::PConfusion() ) { | |
1077 | ||
1078 | TColStd_Array1OfReal Knotbs2d (1, bs2d->NbKnots()); | |
1079 | bs2d->Knots(Knotbs2d); | |
1080 | ||
1081 | for(Standard_Integer Index = 1; Index <= bs2d->NbKnots(); Index++) { | |
1082 | bs2d->D0(Knotbs2d(Index), NewOriginPoint); | |
1083 | if(Abs(OriginPoint.X() - NewOriginPoint.X()) > Precision::PConfusion() || | |
1084 | Abs(OriginPoint.Y() - NewOriginPoint.Y()) > Precision::PConfusion() ) continue; | |
1085 | ||
1086 | bs2d->SetOrigin(Index); | |
1087 | break; | |
1088 | } | |
1089 | } | |
1090 | } | |
1091 | ||
1092 | if(bs2d->Continuity() == GeomAbs_C0) { | |
1093 | Standard_Real tolbail; | |
1094 | if(EvalTol(curPC,S,GAC,Tolerance,tolbail)){ | |
1095 | bs2d = bs2dsov; | |
1096 | Standard_Real UResbail = GAS.UResolution(tolbail); | |
1097 | Standard_Real VResbail = GAS.VResolution(tolbail); | |
1098 | Standard_Real Tol2dbail = Min(UResbail,VResbail); | |
1099 | bs2d->D0(bs2d->FirstParameter(), OriginPoint); | |
1100 | ||
1101 | Standard_Integer nbp = bs2d->NbPoles(); | |
1102 | TColgp_Array1OfPnt2d poles(1,nbp); | |
1103 | bs2d->Poles(poles); | |
1104 | gp_Pnt2d p = poles(1), p1; | |
1105 | Standard_Real d = Precision::Infinite(); | |
1106 | for(Standard_Integer ip = 2; ip <= nbp; ip++) { | |
1107 | p1 = poles(ip); | |
1108 | d = Min(d,p.SquareDistance(p1)); | |
1109 | p = p1; | |
1110 | } | |
1111 | d = sqrt(d)*.1; | |
1112 | ||
1113 | Tol2dbail = Max(Min(Tol2dbail,d),Tol2d); | |
1114 | ||
1115 | Geom2dConvert::C0BSplineToC1BSplineCurve(bs2d,Tol2dbail); | |
1116 | ||
1117 | if(bs2d->IsPeriodic()) { // -------- IFV, Jan 2000 | |
1118 | gp_Pnt2d NewOriginPoint; | |
1119 | bs2d->D0(bs2d->FirstParameter(), NewOriginPoint); | |
1120 | if(Abs(OriginPoint.X() - NewOriginPoint.X()) > Precision::PConfusion() || | |
1121 | Abs(OriginPoint.Y() - NewOriginPoint.Y()) > Precision::PConfusion() ) { | |
1122 | ||
1123 | TColStd_Array1OfReal Knotbs2d (1, bs2d->NbKnots()); | |
1124 | bs2d->Knots(Knotbs2d); | |
1125 | ||
1126 | for(Standard_Integer Index = 1; Index <= bs2d->NbKnots(); Index++) { | |
1127 | bs2d->D0(Knotbs2d(Index), NewOriginPoint); | |
1128 | if(Abs(OriginPoint.X() - NewOriginPoint.X()) > Precision::PConfusion() || | |
1129 | Abs(OriginPoint.Y() - NewOriginPoint.Y()) > Precision::PConfusion() ) continue; | |
1130 | ||
1131 | bs2d->SetOrigin(Index); | |
1132 | break; | |
1133 | } | |
1134 | } | |
1135 | } | |
1136 | ||
1137 | ||
1138 | if(bs2d->Continuity() == GeomAbs_C0) { | |
1139 | goodpc = 1; | |
1140 | bs2d = bs2dsov; | |
1141 | repar = Standard_False; | |
1142 | } | |
1143 | } | |
1144 | else goodpc = 0; | |
1145 | } | |
1146 | ||
1147 | if(goodpc){ | |
1148 | if(repar) { | |
1149 | Standard_Integer NbKnots = bs2d->NbKnots(); | |
1150 | TColStd_Array1OfReal Knots(1,NbKnots); | |
1151 | bs2d->Knots(Knots); | |
1152 | // BSplCLib::Reparametrize(f3d,l3d,Knots); | |
1153 | BSplCLib::Reparametrize(fC0,lC0,Knots); | |
1154 | bs2d->SetKnots(Knots); | |
1155 | GAC2d.Load(bs2d,f3d,l3d); | |
1156 | curPC = bs2d; | |
1157 | Standard_Boolean updatepcsov = updatepc; | |
1158 | updatepc = Standard_True; | |
1159 | ||
1160 | Standard_Real error1 = ComputeTol(HC, HC2d, HS, NCONTROL); | |
1161 | if(error1 > error) { | |
1162 | bs2d = bs2dsov; | |
1163 | GAC2d.Load(bs2d,f3d,l3d); | |
1164 | curPC = bs2d; | |
1165 | updatepc = updatepcsov; | |
1166 | isANA = Standard_True; | |
1167 | } | |
1168 | else { | |
1169 | error = error1; | |
1170 | } | |
1171 | } | |
1172 | ||
1173 | //check, if new BSpline "good" or not --------- IFV, Jan of 2000 | |
1174 | GeomAbs_Shape cont = bs2d->Continuity(); | |
1175 | Standard_Boolean IsBad = Standard_False; | |
1176 | ||
1177 | if(cont > GeomAbs_C0 && error > Max(1.e-3,Tolerance)) { | |
1178 | Standard_Integer NbKnots = bs2d->NbKnots(); | |
1179 | TColStd_Array1OfReal Knots(1,NbKnots); | |
1180 | bs2d->Knots(Knots); | |
1181 | Standard_Real critratio = 10.; | |
1182 | Standard_Real dtprev = Knots(2) - Knots(1), dtratio = 1.; | |
1183 | Standard_Real dtmin = dtprev; | |
1184 | Standard_Real dtcur; | |
1185 | for(Standard_Integer j = 2; j < NbKnots; j++) { | |
1186 | dtcur = Knots(j+1) - Knots(j); | |
1187 | dtmin = Min(dtmin, dtcur); | |
1188 | ||
1189 | if(IsBad) continue; | |
1190 | ||
1191 | if(dtcur > dtprev) dtratio = dtcur/dtprev; | |
1192 | else dtratio = dtprev/dtcur; | |
1193 | if(dtratio > critratio) {IsBad = Standard_True;} | |
1194 | dtprev = dtcur; | |
1195 | ||
1196 | } | |
1197 | if(IsBad) { | |
1198 | // To avoid failures in Approx_CurvilinearParameter | |
1199 | bs2d->Resolution(Max(1.e-3,Tolerance), dtcur); | |
1200 | if(dtmin < dtcur) IsBad = Standard_False; | |
1201 | } | |
1202 | } | |
1203 | ||
1204 | ||
1205 | if(IsBad ) { //if BSpline "bad", try to reparametrize it | |
1206 | // by its curve length | |
1207 | ||
1208 | // GeomAbs_Shape cont = bs2d->Continuity(); | |
1209 | if(cont > GeomAbs_C2) cont = GeomAbs_C2; | |
1210 | Standard_Integer maxdeg = bs2d->Degree(); | |
1211 | if(maxdeg == 1) maxdeg = 14; | |
1212 | Approx_CurvilinearParameter AppCurPar(HC2d, HS, Max(1.e-3,Tolerance), | |
1213 | cont, maxdeg, 10); | |
1214 | if(AppCurPar.IsDone() || AppCurPar.HasResult()) { | |
1215 | bs2d = AppCurPar.Curve2d1(); | |
1216 | GAC2d.Load(bs2d,f3d,l3d); | |
1217 | curPC = bs2d; | |
1218 | ||
1219 | if(Abs(bs2d->FirstParameter() - fC0) > Tol2d || | |
1220 | Abs(bs2d->LastParameter() - lC0) > Tol2d ) { | |
1221 | Standard_Integer NbKnots = bs2d->NbKnots(); | |
1222 | TColStd_Array1OfReal Knots(1,NbKnots); | |
1223 | bs2d->Knots(Knots); | |
1224 | // BSplCLib::Reparametrize(f3d,l3d,Knots); | |
1225 | BSplCLib::Reparametrize(fC0,lC0,Knots); | |
1226 | bs2d->SetKnots(Knots); | |
1227 | GAC2d.Load(bs2d,f3d,l3d); | |
1228 | curPC = bs2d; | |
1229 | ||
1230 | } | |
1231 | } | |
1232 | } | |
1233 | ||
1234 | ||
1235 | } | |
1236 | } | |
1237 | ||
1238 | ||
1239 | if(goodpc){ | |
1240 | // Approx_SameParameter SameP(HC,HC2d,HS,Tolerance); | |
1241 | Standard_Real aTol = (isANA && isBSP) ? 1.e-7 : Tolerance; | |
1242 | Approx_SameParameter SameP(HC,HC2d,HS,aTol); | |
1243 | ||
1244 | if (SameP.IsSameParameter()) { | |
1245 | maxdist = Max(maxdist,SameP.TolReached()); | |
1246 | if(updatepc){ | |
1247 | if (i == 0) GCurve->PCurve(curPC); | |
1248 | else GCurve->PCurve2(curPC); | |
1249 | } | |
1250 | } | |
1251 | else if (SameP.IsDone()) { | |
1252 | Standard_Real tolreached = SameP.TolReached(); | |
1253 | if(tolreached < error) { | |
1254 | curPC = SameP.Curve2d(); | |
1255 | updatepc = Standard_True; | |
1256 | maxdist = Max(maxdist,tolreached); | |
1257 | } | |
1258 | else { | |
1259 | maxdist = Max(maxdist, error); | |
1260 | } | |
1261 | if(updatepc){ | |
1262 | if (i == 0) GCurve->PCurve(curPC); | |
1263 | else GCurve->PCurve2(curPC); | |
1264 | } | |
1265 | } | |
1266 | else IsSameP = 0; | |
1267 | ||
1268 | } | |
1269 | else IsSameP = 0; | |
1270 | ||
1271 | // Modified by skv - Thu Jun 3 12:39:19 2004 OCC5898 Begin | |
1272 | if (!IsSameP) { | |
1273 | if (anEdgeTol > error) { | |
1274 | maxdist = Max(maxdist, anEdgeTol); | |
1275 | IsSameP = Standard_True; | |
1276 | } | |
1277 | } | |
1278 | // Modified by skv - Thu Jun 3 12:39:20 2004 OCC5898 End | |
1279 | } | |
1280 | } | |
1281 | It.Next() ; | |
1282 | } | |
1283 | B.Range(AnEdge,f3d,l3d); | |
1284 | B.SameRange(AnEdge,Standard_True); | |
1285 | if ( IsSameP) { | |
0d969553 Y |
1286 | // Reduce eventually the tolerance of the edge, as |
1287 | // all its representations are processed (except for some associated | |
1288 | // to planes and not stored in the edge !) | |
1289 | // The same cannot be done with vertices that cannot be enlarged | |
1290 | // or left as is. | |
7fd59977 | 1291 | if (YaPCu) { |
0d969553 | 1292 | // Avoid setting too small tolerances. |
7fd59977 | 1293 | maxdist = Max(maxdist,Precision::Confusion()); |
1294 | TopoDS_Vertex V1,V2; | |
1295 | TopExp::Vertices(AnEdge,V1,V2); | |
1296 | if (!V1.IsNull()) | |
1297 | B.UpdateVertex(V1,maxdist); | |
1298 | if (!V2.IsNull()) | |
1299 | B.UpdateVertex(V2,maxdist); | |
1300 | TE->Modified(Standard_True); | |
1301 | TE->Tolerance(maxdist); | |
1302 | } | |
1303 | B.SameParameter(AnEdge,Standard_True); | |
1304 | } | |
1305 | } | |
1306 | ||
1307 | //======================================================================= | |
1308 | //function : UpdateTolerances | |
1309 | //purpose : | |
1310 | //======================================================================= | |
1311 | void BRepLib::UpdateTolerances(const TopoDS_Shape& aShape, | |
1312 | const Standard_Boolean verifyTolerance) | |
1313 | { | |
1314 | ||
0d969553 Y |
1315 | // Harmonize tolerances |
1316 | // with rule Tolerance(VERTEX)>=Tolerance(EDGE)>=Tolerance(FACE) | |
7fd59977 | 1317 | BRep_Builder B; |
1318 | Standard_Real tol=0; | |
1319 | if (verifyTolerance) { | |
0d969553 | 1320 | // Set tolerance to its minimum value |
7fd59977 | 1321 | Handle(Geom_Surface) S; |
1322 | TopLoc_Location l; | |
1323 | TopExp_Explorer ex; | |
1324 | Bnd_Box aB; | |
1325 | Standard_Real aXmin, aYmin, aZmin, aXmax, aYmax, aZmax, dMax; | |
1326 | for (ex.Init(aShape, TopAbs_FACE); ex.More(); ex.Next()) { | |
1327 | const TopoDS_Face& curf=TopoDS::Face(ex.Current()); | |
1328 | S = BRep_Tool::Surface(curf, l); | |
1329 | if (!S.IsNull()) { | |
1330 | aB.SetVoid(); | |
1331 | BRepBndLib::Add(curf,aB); | |
1332 | if (S->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) { | |
1333 | S = (*((Handle(Geom_RectangularTrimmedSurface)*)&S))->BasisSurface(); | |
1334 | } | |
1335 | GeomAdaptor_Surface AS(S); | |
1336 | switch (AS.GetType()) { | |
1337 | case GeomAbs_Plane: | |
1338 | case GeomAbs_Cylinder: | |
1339 | case GeomAbs_Cone: | |
1340 | { | |
1341 | tol=Precision::Confusion(); | |
1342 | break; | |
1343 | } | |
1344 | case GeomAbs_Sphere: | |
1345 | case GeomAbs_Torus: | |
1346 | { | |
1347 | tol=Precision::Confusion()*2; | |
1348 | break; | |
1349 | } | |
1350 | default: | |
1351 | tol=Precision::Confusion()*4; | |
1352 | } | |
1353 | if (!aB.IsWhole()) { | |
1354 | aB.Get(aXmin, aYmin, aZmin, aXmax, aYmax, aZmax); | |
1355 | dMax=1.; | |
1356 | if (!aB.IsOpenXmin() && !aB.IsOpenXmax()) dMax=aXmax-aXmin; | |
1357 | if (!aB.IsOpenYmin() && !aB.IsOpenYmax()) aYmin=aYmax-aYmin; | |
1358 | if (!aB.IsOpenZmin() && !aB.IsOpenZmax()) aZmin=aZmax-aZmin; | |
1359 | if (aYmin>dMax) dMax=aYmin; | |
1360 | if (aZmin>dMax) dMax=aZmin; | |
1361 | tol=tol*dMax; | |
0d969553 | 1362 | // Do not process tolerances > 1. |
7fd59977 | 1363 | if (tol>1.) tol=0.99; |
1364 | } | |
1365 | const Handle(BRep_TFace)& Tf = *((Handle(BRep_TFace)*)&curf.TShape()); | |
1366 | Tf->Tolerance(tol); | |
1367 | } | |
1368 | } | |
1369 | } | |
1370 | ||
0d969553 | 1371 | //Process edges |
7fd59977 | 1372 | TopTools_IndexedDataMapOfShapeListOfShape parents; |
1373 | TopExp::MapShapesAndAncestors(aShape, TopAbs_EDGE, TopAbs_FACE, parents); | |
1374 | TopTools_ListIteratorOfListOfShape lConx; | |
1375 | Standard_Integer iCur; | |
1376 | for (iCur=1; iCur<=parents.Extent(); iCur++) { | |
1377 | tol=0; | |
1378 | for (lConx.Initialize(parents(iCur)); lConx.More(); lConx.Next()) { | |
1379 | tol=Max(tol, BRep_Tool::Tolerance(TopoDS::Face(lConx.Value()))); | |
1380 | } | |
0d969553 Y |
1381 | // Update can only increase tolerance, so if the edge has a greater |
1382 | // tolerance than its faces it is not concerned | |
7fd59977 | 1383 | B.UpdateEdge(TopoDS::Edge(parents.FindKey(iCur)), tol); |
1384 | } | |
1385 | ||
0d969553 | 1386 | //Vertices are processed |
7fd59977 | 1387 | parents.Clear(); |
1388 | TopExp::MapShapesAndAncestors(aShape, TopAbs_VERTEX, TopAbs_EDGE, parents); | |
1389 | TColStd_MapOfTransient Initialized; | |
1390 | TopTools_MapOfShape Done; | |
1391 | Standard_Integer nbV = parents.Extent(); | |
1392 | for (iCur=1; iCur<=nbV; iCur++) { | |
1393 | tol=0; | |
1394 | Done.Clear(); | |
1395 | const TopoDS_Vertex& V = TopoDS::Vertex(parents.FindKey(iCur)); | |
1396 | Bnd_Box box; | |
1397 | box.Add(BRep_Tool::Pnt(V)); | |
1398 | gp_Pnt p3d; | |
1399 | for (lConx.Initialize(parents(iCur)); lConx.More(); lConx.Next()) { | |
1400 | const TopoDS_Edge& E = TopoDS::Edge(lConx.Value()); | |
1401 | if(!Done.Add(E)) continue; | |
1402 | tol=Max(tol, BRep_Tool::Tolerance(E)); | |
1403 | if(!BRep_Tool::SameRange(E)) continue; | |
1404 | Standard_Real par = BRep_Tool::Parameter(V,E); | |
1405 | Handle(BRep_TEdge)& TE = *((Handle(BRep_TEdge)*)&E.TShape()); | |
1406 | BRep_ListIteratorOfListOfCurveRepresentation itcr(TE->Curves()); | |
1407 | const TopLoc_Location& Eloc = E.Location(); | |
1408 | while (itcr.More()) { | |
0d969553 | 1409 | // For each CurveRepresentation, check the provided parameter |
7fd59977 | 1410 | const Handle(BRep_CurveRepresentation)& cr = itcr.Value(); |
1411 | const TopLoc_Location& loc = cr->Location(); | |
1412 | TopLoc_Location L = (Eloc * loc); | |
1413 | if (cr->IsCurve3D()) { | |
1414 | const Handle(Geom_Curve)& C = cr->Curve3D(); | |
0d969553 | 1415 | if (!C.IsNull()) { // edge non degenerated |
7fd59977 | 1416 | p3d = C->Value(par); |
1417 | p3d.Transform(L.Transformation()); | |
1418 | box.Add(p3d); | |
1419 | } | |
1420 | } | |
1421 | else if (cr->IsCurveOnSurface()) { | |
1422 | const Handle(Geom_Surface)& Su = cr->Surface(); | |
1423 | const Handle(Geom2d_Curve)& PC = cr->PCurve(); | |
1424 | Handle(Geom2d_Curve) PC2; | |
1425 | if (cr->IsCurveOnClosedSurface()) { | |
1426 | PC2 = cr->PCurve2(); | |
1427 | } | |
1428 | gp_Pnt2d p2d = PC->Value(par); | |
1429 | p3d = Su->Value(p2d.X(),p2d.Y()); | |
1430 | p3d.Transform(L.Transformation()); | |
1431 | box.Add(p3d); | |
1432 | if (!PC2.IsNull()) { | |
1433 | p2d = PC2->Value(par); | |
1434 | p3d = Su->Value(p2d.X(),p2d.Y()); | |
1435 | p3d.Transform(L.Transformation()); | |
1436 | box.Add(p3d); | |
1437 | } | |
1438 | } | |
1439 | itcr.Next(); | |
1440 | } | |
1441 | } | |
1442 | Standard_Real aXmin, aYmin, aZmin, aXmax, aYmax, aZmax; | |
1443 | box.Get(aXmin, aYmin, aZmin, aXmax, aYmax, aZmax); | |
1444 | aXmax -= aXmin; aYmax -= aYmin; aZmax -= aZmin; | |
1445 | tol = Max(tol,sqrt(aXmax*aXmax+aYmax*aYmax+aZmax*aZmax)); | |
1446 | tol += 2.*Epsilon(tol); | |
1447 | if (verifyTolerance) { | |
0d969553 Y |
1448 | // ASet minimum value of the tolerance |
1449 | // Attention to sharing of the vertex by other shapes | |
7fd59977 | 1450 | const Handle(BRep_TVertex)& TV = *((Handle(BRep_TVertex)*)&V.TShape()); |
1451 | if (Initialized.Add(TV)) | |
1452 | TV->Tolerance(tol); | |
1453 | else | |
1454 | B.UpdateVertex(V, tol); | |
1455 | } | |
1456 | else { | |
0d969553 Y |
1457 | // Update can only increase tolerance, so if the edge has a greater |
1458 | // tolerance than its faces it is not concerned | |
7fd59977 | 1459 | B.UpdateVertex(V, tol); |
1460 | } | |
1461 | } | |
1462 | } | |
1463 | ||
1464 | //======================================================================= | |
1465 | //function : OrientClosedSolid | |
1466 | //purpose : | |
1467 | //======================================================================= | |
1468 | Standard_Boolean BRepLib::OrientClosedSolid(TopoDS_Solid& solid) | |
1469 | { | |
0d969553 | 1470 | // Set material inside the solid |
7fd59977 | 1471 | BRepClass3d_SolidClassifier where(solid); |
1472 | where.PerformInfinitePoint(Precision::Confusion()); | |
1473 | if (where.State()==TopAbs_IN) { | |
1474 | solid.Reverse(); | |
1475 | } | |
1476 | else if (where.State()==TopAbs_ON || where.State()==TopAbs_UNKNOWN) | |
1477 | return Standard_False; | |
1478 | ||
1479 | return Standard_True; | |
1480 | } | |
1481 | ||
1482 | //======================================================================= | |
1483 | //function : tgtfaces | |
0d969553 Y |
1484 | //purpose : check the angle at the border between two squares. |
1485 | // Two shares should have a shared front edge. | |
7fd59977 | 1486 | //======================================================================= |
1487 | ||
1488 | static Standard_Boolean tgtfaces(const TopoDS_Edge& Ed, | |
1489 | const TopoDS_Face& F1, | |
1490 | const TopoDS_Face& F2, | |
1491 | const Standard_Real ta, | |
1492 | const Standard_Boolean couture) | |
1493 | { | |
1494 | Standard_Real u; | |
1495 | TopoDS_Edge E = Ed; | |
1496 | BRepAdaptor_Surface aBAS1(F1,Standard_False); | |
1497 | BRepAdaptor_Surface aBAS2(F2,Standard_False); | |
1498 | Handle(BRepAdaptor_HSurface) HS1 = new BRepAdaptor_HSurface(aBAS1); | |
1499 | Handle(BRepAdaptor_HSurface) HS2; | |
1500 | if(couture) HS2 = HS1; | |
1501 | else HS2 = new BRepAdaptor_HSurface(aBAS2); | |
1502 | ||
1503 | E.Orientation(TopAbs_FORWARD); | |
1504 | Handle(BRepAdaptor_HCurve2d) HC2d1 = new BRepAdaptor_HCurve2d(); | |
1505 | HC2d1->ChangeCurve2d().Initialize(E,F1); | |
1506 | if(couture) E.Orientation(TopAbs_REVERSED); | |
1507 | Handle(BRepAdaptor_HCurve2d) HC2d2 = new BRepAdaptor_HCurve2d(); | |
1508 | HC2d2->ChangeCurve2d().Initialize(E,F2); | |
1509 | Adaptor3d_CurveOnSurface C1(HC2d1,HS1); | |
1510 | Adaptor3d_CurveOnSurface C2(HC2d2,HS2); | |
1511 | ||
1512 | Standard_Boolean rev1 = (F1.Orientation() == TopAbs_REVERSED); | |
1513 | Standard_Boolean rev2 = (F2.Orientation() == TopAbs_REVERSED); | |
1514 | Standard_Real f,l,eps, angmax = -PI; | |
1515 | #ifndef DEB | |
1516 | Standard_Real ang =0.; | |
1517 | #else | |
1518 | Standard_Real ang; | |
1519 | #endif | |
1520 | BRep_Tool::Range(E,f,l); | |
1521 | Extrema_LocateExtPC ext; | |
1522 | Standard_Boolean IsInitialized = Standard_False; | |
1523 | ||
1524 | eps = (l - f)/100.; | |
0d969553 Y |
1525 | f += eps; // to avoid calculations on |
1526 | l -= eps; // points of pointed squares. | |
7fd59977 | 1527 | gp_Pnt2d p; |
1528 | gp_Pnt pp1,pp2;//,PP; | |
1529 | gp_Vec du,dv; | |
1530 | gp_Vec d1,d2; | |
1531 | Standard_Real uu, vv, norm; | |
1532 | ||
1533 | Standard_Integer i; | |
1534 | Standard_Boolean Nok; | |
1535 | for(i = 0; (i<= 20) && (angmax<=ta) ; i++){ | |
0d969553 | 1536 | // First suppose that this is sameParameter |
7fd59977 | 1537 | Nok = Standard_True; |
1538 | u = f + (l-f)*i/20; | |
1539 | HC2d1->D0(u,p); | |
1540 | HS1->D1(p.X(),p.Y(),pp1,du,dv); | |
1541 | d1 = (du.Crossed(dv)); | |
1542 | norm = d1.Magnitude(); | |
1543 | if (norm > 1.e-12) d1 /= norm; | |
1544 | else Nok=Standard_False; | |
1545 | if(rev1) d1.Reverse(); | |
1546 | ||
1547 | HC2d2->D0(u,p); | |
1548 | HS2->D1(p.X(), p.Y(), pp2, du, dv); | |
1549 | d2 = (du.Crossed(dv)); | |
1550 | norm = d2.Magnitude(); | |
1551 | if (norm> 1.e-12) d2 /= norm; | |
1552 | else Nok=Standard_False; | |
1553 | if(rev2) d2.Reverse(); | |
1554 | if (Nok) ang = d1.Angle(d2); | |
1555 | ||
0d969553 | 1556 | if (Nok &&(ang > ta)) { // Refine by projection |
7fd59977 | 1557 | if (! IsInitialized ) { |
1558 | ext.Initialize(C2,f,l,Precision::PConfusion()); | |
1559 | IsInitialized = Standard_True; | |
1560 | } | |
1561 | ext.Perform(pp1,u); | |
1562 | if(ext.IsDone() && ext.IsMin()){ | |
1563 | Extrema_POnCurv poc = ext.Point(); | |
1564 | Standard_Real v = poc.Parameter(); | |
1565 | ||
1566 | HC2d2->D0(v,p); | |
1567 | p.Coord(uu,vv); | |
1568 | HS2->D1(p.X(), p.Y(), pp2, du, dv); | |
1569 | d2 = (du.Crossed(dv)); | |
1570 | norm = d2.Magnitude(); | |
1571 | if (norm> 1.e-12) d2 /= norm; | |
1572 | else Nok = Standard_False; | |
1573 | if(rev2) d2.Reverse(); | |
1574 | if (Nok) ang = d1.Angle(d2); | |
1575 | } | |
1576 | } | |
1577 | if(ang >= angmax) angmax = ang; | |
1578 | } | |
1579 | ||
1580 | return (angmax<=ta); | |
1581 | ||
1582 | } | |
1583 | ||
1584 | ||
1585 | //======================================================================= | |
1586 | // function : EncodeRegularity | |
0d969553 Y |
1587 | // purpose : code the regularities on all edges of the shape, boundary of |
1588 | // two faces that do not have it. | |
7fd59977 | 1589 | //======================================================================= |
1590 | ||
1591 | void BRepLib::EncodeRegularity(const TopoDS_Shape& S, | |
1592 | const Standard_Real TolAng) | |
1593 | { | |
1594 | BRep_Builder B; | |
1595 | TopTools_IndexedDataMapOfShapeListOfShape M; | |
1596 | TopExp::MapShapesAndAncestors(S,TopAbs_EDGE,TopAbs_FACE,M); | |
1597 | TopTools_ListIteratorOfListOfShape It; | |
1598 | TopExp_Explorer Ex; | |
1599 | TopoDS_Face F1,F2; | |
1600 | Standard_Boolean found, couture; | |
1601 | for(Standard_Integer i = 1; i <= M.Extent(); i++){ | |
1602 | TopoDS_Edge E = TopoDS::Edge(M.FindKey(i)); | |
1603 | found = Standard_False; couture = Standard_False; | |
1604 | F1.Nullify(); | |
1605 | for(It.Initialize(M.FindFromIndex(i));It.More() && !found;It.Next()){ | |
1606 | if(F1.IsNull()) { F1 = TopoDS::Face(It.Value()); } | |
1607 | else { | |
1608 | if(!F1.IsSame(TopoDS::Face(It.Value()))){ | |
1609 | found = Standard_True; | |
1610 | F2 = TopoDS::Face(It.Value()); | |
1611 | } | |
1612 | } | |
1613 | } | |
0d969553 | 1614 | if (!found && !F1.IsNull()){//is it a sewing edge? |
7fd59977 | 1615 | TopAbs_Orientation orE = E.Orientation(); |
1616 | TopoDS_Edge curE; | |
1617 | for(Ex.Init(F1,TopAbs_EDGE);Ex.More() && !found;Ex.Next()){ | |
1618 | curE= TopoDS::Edge(Ex.Current()); | |
1619 | if(E.IsSame(curE) && orE != curE.Orientation()) { | |
1620 | found = Standard_True; | |
1621 | couture = Standard_True; | |
1622 | F2 = F1; | |
1623 | } | |
1624 | } | |
1625 | } | |
1626 | if(found){ | |
1627 | if(BRep_Tool::Continuity(E,F1,F2)<=GeomAbs_C0){ | |
041bfce9 | 1628 | |
1629 | try { | |
1630 | if(tgtfaces(E, F1, F2, TolAng, couture)){ | |
1631 | B.Continuity(E,F1,F2,GeomAbs_G1); | |
1632 | } | |
1633 | } | |
1634 | catch(Standard_Failure) | |
1635 | { | |
1636 | } | |
7fd59977 | 1637 | } |
1638 | } | |
1639 | } | |
1640 | } | |
1641 | ||
1642 | //======================================================================= | |
1643 | // function : EncodeRegularity | |
0d969553 | 1644 | // purpose : code the regularity between 2 faces on an edge |
7fd59977 | 1645 | //======================================================================= |
1646 | ||
1647 | void BRepLib::EncodeRegularity(TopoDS_Edge& E, | |
1648 | const TopoDS_Face& F1, | |
1649 | const TopoDS_Face& F2, | |
1650 | const Standard_Real TolAng) | |
1651 | { | |
1652 | BRep_Builder B; | |
1653 | if(BRep_Tool::Continuity(E,F1,F2)<=GeomAbs_C0){ | |
041bfce9 | 1654 | try { |
1655 | if( tgtfaces(E, F1, F2, TolAng, F1.IsEqual(F2))) { | |
1656 | B.Continuity(E,F1,F2,GeomAbs_G1); | |
1657 | } | |
1658 | } | |
1659 | catch(Standard_Failure) | |
1660 | { | |
1661 | } | |
7fd59977 | 1662 | } |
1663 | } | |
1664 | ||
1665 | //======================================================================= | |
1666 | //function : SortFaces | |
1667 | //purpose : | |
1668 | //======================================================================= | |
1669 | ||
1670 | void BRepLib::SortFaces (const TopoDS_Shape& Sh, | |
1671 | TopTools_ListOfShape& LF) | |
1672 | { | |
1673 | LF.Clear(); | |
1674 | TopTools_ListOfShape LTri,LPlan,LCyl,LCon,LSphere,LTor,LOther; | |
1675 | TopExp_Explorer exp(Sh,TopAbs_FACE); | |
1676 | TopLoc_Location l; | |
1677 | Handle(Geom_Surface) S; | |
1678 | ||
1679 | for (; exp.More(); exp.Next()) { | |
1680 | const TopoDS_Face& F = TopoDS::Face(exp.Current()); | |
1681 | S = BRep_Tool::Surface(F, l); | |
1682 | if (!S.IsNull()) { | |
1683 | if (S->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) { | |
1684 | S = (*((Handle(Geom_RectangularTrimmedSurface)*)&S))->BasisSurface(); | |
1685 | } | |
1686 | GeomAdaptor_Surface AS(S); | |
1687 | switch (AS.GetType()) { | |
1688 | case GeomAbs_Plane: | |
1689 | { | |
1690 | LPlan.Append(F); | |
1691 | break; | |
1692 | } | |
1693 | case GeomAbs_Cylinder: | |
1694 | { | |
1695 | LCyl.Append(F); | |
1696 | break; | |
1697 | } | |
1698 | case GeomAbs_Cone: | |
1699 | { | |
1700 | LCon.Append(F); | |
1701 | break; | |
1702 | } | |
1703 | case GeomAbs_Sphere: | |
1704 | { | |
1705 | LSphere.Append(F); | |
1706 | break; | |
1707 | } | |
1708 | case GeomAbs_Torus: | |
1709 | { | |
1710 | LTor.Append(F); | |
1711 | break; | |
1712 | } | |
1713 | default: | |
1714 | LOther.Append(F); | |
1715 | } | |
1716 | } | |
1717 | else LTri.Append(F); | |
1718 | } | |
1719 | LF.Append(LPlan); LF.Append(LCyl ); LF.Append(LCon); LF.Append(LSphere); | |
1720 | LF.Append(LTor ); LF.Append(LOther); LF.Append(LTri); | |
1721 | } | |
1722 | ||
1723 | //======================================================================= | |
1724 | //function : ReverseSortFaces | |
1725 | //purpose : | |
1726 | //======================================================================= | |
1727 | ||
1728 | void BRepLib::ReverseSortFaces (const TopoDS_Shape& Sh, | |
1729 | TopTools_ListOfShape& LF) | |
1730 | { | |
1731 | LF.Clear(); | |
1732 | TopTools_ListOfShape LTri,LPlan,LCyl,LCon,LSphere,LTor,LOther; | |
1733 | TopExp_Explorer exp(Sh,TopAbs_FACE); | |
1734 | TopLoc_Location l; | |
1735 | Handle(Geom_Surface) S; | |
1736 | ||
1737 | for (; exp.More(); exp.Next()) { | |
1738 | const TopoDS_Face& F = TopoDS::Face(exp.Current()); | |
1739 | S = BRep_Tool::Surface(F, l); | |
1740 | if (!S.IsNull()) { | |
1741 | if (S->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) { | |
1742 | S = (*((Handle(Geom_RectangularTrimmedSurface)*)&S))->BasisSurface(); | |
1743 | } | |
1744 | GeomAdaptor_Surface AS(S); | |
1745 | switch (AS.GetType()) { | |
1746 | case GeomAbs_Plane: | |
1747 | { | |
1748 | LPlan.Append(F); | |
1749 | break; | |
1750 | } | |
1751 | case GeomAbs_Cylinder: | |
1752 | { | |
1753 | LCyl.Append(F); | |
1754 | break; | |
1755 | } | |
1756 | case GeomAbs_Cone: | |
1757 | { | |
1758 | LCon.Append(F); | |
1759 | break; | |
1760 | } | |
1761 | case GeomAbs_Sphere: | |
1762 | { | |
1763 | LSphere.Append(F); | |
1764 | break; | |
1765 | } | |
1766 | case GeomAbs_Torus: | |
1767 | { | |
1768 | LTor.Append(F); | |
1769 | break; | |
1770 | } | |
1771 | default: | |
1772 | LOther.Append(F); | |
1773 | } | |
1774 | } | |
1775 | else LTri.Append(F); | |
1776 | } | |
1777 | LF.Append(LTri); LF.Append(LOther); LF.Append(LTor ); LF.Append(LSphere); | |
1778 | LF.Append(LCon); LF.Append(LCyl ); LF.Append(LPlan); | |
1779 | ||
1780 | } | |
1781 | ||
1782 |