Commit | Line | Data |
---|---|---|
b311480e | 1 | // Created on: 1993-12-15 |
2 | // Created by: Remi LEQUETTE | |
3 | // Copyright (c) 1993-1999 Matra Datavision | |
973c2be1 | 4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
b311480e | 5 | // |
973c2be1 | 6 | // This file is part of Open CASCADE Technology software library. |
b311480e | 7 | // |
d5f74e42 | 8 | // This library is free software; you can redistribute it and/or modify it under |
9 | // the terms of the GNU Lesser General Public License version 2.1 as published | |
973c2be1 | 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. | |
b311480e | 13 | // |
973c2be1 | 14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. | |
b311480e | 16 | |
17 | //pmn 26/09/97 Add parameters of approximation in BuildCurve3d | |
7fd59977 | 18 | // Modified by skv - Thu Jun 3 12:39:19 2004 OCC5898 |
19 | ||
20 | #include <BRepLib.ixx> | |
21 | #include <BRepAdaptor_Surface.hxx> | |
22 | #include <BRepAdaptor_HSurface.hxx> | |
23 | #include <BRepAdaptor_HCurve2d.hxx> | |
24 | #include <BRep_Tool.hxx> | |
25 | #include <BRep_Builder.hxx> | |
26 | #include <Geom_Surface.hxx> | |
27 | #include <Geom_RectangularTrimmedSurface.hxx> | |
28 | #include <Geom_Plane.hxx> | |
29 | #include <Geom_Curve.hxx> | |
30 | #include <Geom_BSplineCurve.hxx> | |
31 | #include <Geom_TrimmedCurve.hxx> | |
32 | #include <Geom2d_Curve.hxx> | |
33 | #include <Geom2d_TrimmedCurve.hxx> | |
34 | #include <Geom2d_BSplineCurve.hxx> | |
35 | #include <GeomLib.hxx> | |
36 | #include <TopExp_Explorer.hxx> | |
37 | #include <TopoDS.hxx> | |
38 | #include <TopoDS_Edge.hxx> | |
39 | #include <TopoDS_Face.hxx> | |
40 | #include <TopoDS_Vertex.hxx> | |
41 | #include <TopTools_MapOfShape.hxx> | |
42 | #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx> | |
43 | #include <TopTools_ListIteratorOfListOfShape.hxx> | |
44 | #include <TopExp.hxx> | |
45 | #include <gp.hxx> | |
46 | #include <gp_Ax2.hxx> | |
47 | #include <gp_Pln.hxx> | |
48 | #include <Standard_Real.hxx> | |
49 | #include <Precision.hxx> | |
50 | #include <BRep_GCurve.hxx> | |
51 | #include <BRep_TEdge.hxx> | |
52 | #include <BRep_TFace.hxx> | |
53 | #include <AppParCurves_MultiCurve.hxx> | |
54 | #include <AppParCurves_MultiBSpCurve.hxx> | |
55 | #include <BRep_ListOfCurveRepresentation.hxx> | |
56 | #include <BRep_CurveRepresentation.hxx> | |
57 | #include <BRep_ListIteratorOfListOfCurveRepresentation.hxx> | |
58 | #include <BRep_TVertex.hxx> | |
41194117 | 59 | #include <AdvApprox_ApproxAFunction.hxx> |
7fd59977 | 60 | #include <Approx_SameParameter.hxx> |
61 | #include <TColgp_Array1OfPnt.hxx> | |
62 | #include <TColgp_Array1OfPnt2d.hxx> | |
63 | #include <TColStd_Array1OfReal.hxx> | |
7fd59977 | 64 | #include <TColStd_MapOfTransient.hxx> |
65 | #include <GeomAdaptor_Curve.hxx> | |
66 | #include <GeomAdaptor_HCurve.hxx> | |
67 | #include <GeomAdaptor_Surface.hxx> | |
68 | #include <GeomAdaptor_HSurface.hxx> | |
69 | #include <Geom2dAdaptor_Curve.hxx> | |
70 | #include <Geom2dAdaptor_HCurve.hxx> | |
71 | #include <Geom2dAdaptor.hxx> | |
72 | #include <Geom2dConvert.hxx> | |
73 | #include <GCPnts_QuasiUniformDeflection.hxx> | |
74 | #include <BSplCLib.hxx> | |
75 | #include <ElSLib.hxx> | |
76 | #include <Adaptor3d_CurveOnSurface.hxx> | |
77 | #include <Extrema_LocateExtPC.hxx> | |
78 | #include <ProjLib_ProjectedCurve.hxx> | |
79 | #include <BRepClass3d_SolidClassifier.hxx> | |
80 | #include <Bnd_Box.hxx> | |
81 | #include <BRepBndLib.hxx> | |
82 | #include <Approx_CurvilinearParameter.hxx> | |
83 | #include <Geom_BSplineSurface.hxx> | |
84 | ||
7fd59977 | 85 | |
41194117 | 86 | // TODO - not thread-safe static variables |
7fd59977 | 87 | static Standard_Real thePrecision = Precision::Confusion(); |
88 | static Handle(Geom_Plane) thePlane; | |
89 | ||
90 | //======================================================================= | |
91 | //function : Precision | |
92 | //purpose : | |
93 | //======================================================================= | |
94 | ||
95 | void BRepLib::Precision(const Standard_Real P) | |
96 | { | |
97 | thePrecision = P; | |
98 | } | |
99 | ||
100 | //======================================================================= | |
101 | //function : Precision | |
102 | //purpose : | |
103 | //======================================================================= | |
104 | ||
105 | Standard_Real BRepLib::Precision() | |
106 | { | |
107 | return thePrecision; | |
108 | } | |
109 | ||
110 | //======================================================================= | |
111 | //function : Plane | |
112 | //purpose : | |
113 | //======================================================================= | |
114 | ||
115 | void BRepLib::Plane(const Handle(Geom_Plane)& P) | |
116 | { | |
117 | thePlane = P; | |
118 | } | |
119 | ||
120 | ||
121 | //======================================================================= | |
122 | //function : Plane | |
123 | //purpose : | |
124 | //======================================================================= | |
125 | ||
126 | const Handle(Geom_Plane)& BRepLib::Plane() | |
127 | { | |
128 | if (thePlane.IsNull()) thePlane = new Geom_Plane(gp::XOY()); | |
129 | return thePlane; | |
130 | } | |
131 | //======================================================================= | |
132 | //function : CheckSameRange | |
133 | //purpose : | |
134 | //======================================================================= | |
135 | ||
136 | Standard_Boolean BRepLib::CheckSameRange(const TopoDS_Edge& AnEdge, | |
a86d3ec0 | 137 | const Standard_Real Tolerance) |
7fd59977 | 138 | { |
139 | Standard_Boolean IsSameRange = Standard_True, | |
a86d3ec0 | 140 | first_time_in = Standard_True ; |
7fd59977 | 141 | |
142 | BRep_ListIteratorOfListOfCurveRepresentation an_Iterator | |
143 | ((*((Handle(BRep_TEdge)*)&AnEdge.TShape()))->ChangeCurves()); | |
a86d3ec0 | 144 | |
7fd59977 | 145 | Standard_Real first, last; |
7fd59977 | 146 | Standard_Real current_first =0., current_last =0. ; |
7fd59977 | 147 | Handle(BRep_GCurve) geometric_representation_ptr ; |
148 | ||
149 | while (IsSameRange && an_Iterator.More()) { | |
150 | geometric_representation_ptr = | |
151 | Handle(BRep_GCurve)::DownCast(an_Iterator.Value()); | |
152 | if (!geometric_representation_ptr.IsNull()) { | |
a86d3ec0 | 153 | |
154 | first = geometric_representation_ptr->First(); | |
155 | last = geometric_representation_ptr->Last(); | |
156 | if (first_time_in ) { | |
157 | current_first = first ; | |
158 | current_last = last ; | |
159 | first_time_in = Standard_False ; | |
7fd59977 | 160 | } |
a86d3ec0 | 161 | else { |
162 | IsSameRange = (Abs(current_first - first) <= Tolerance) | |
163 | && (Abs(current_last -last) <= Tolerance ) ; | |
164 | } | |
165 | } | |
7fd59977 | 166 | an_Iterator.Next() ; |
167 | } | |
168 | return IsSameRange ; | |
169 | } | |
a86d3ec0 | 170 | |
7fd59977 | 171 | //======================================================================= |
172 | //function : SameRange | |
173 | //purpose : | |
174 | //======================================================================= | |
175 | ||
176 | void BRepLib::SameRange(const TopoDS_Edge& AnEdge, | |
a86d3ec0 | 177 | const Standard_Real Tolerance) |
7fd59977 | 178 | { |
179 | BRep_ListIteratorOfListOfCurveRepresentation an_Iterator | |
180 | ((*((Handle(BRep_TEdge)*)&AnEdge.TShape()))->ChangeCurves()); | |
a86d3ec0 | 181 | |
7fd59977 | 182 | Handle(Geom2d_Curve) Curve2dPtr, Curve2dPtr2, NewCurve2dPtr, NewCurve2dPtr2; |
183 | TopLoc_Location LocalLoc ; | |
184 | ||
185 | Standard_Boolean first_time_in = Standard_True, | |
a86d3ec0 | 186 | has_curve, |
187 | has_closed_curve ; | |
7fd59977 | 188 | Handle(BRep_GCurve) geometric_representation_ptr ; |
189 | Standard_Real first, | |
a86d3ec0 | 190 | current_first, |
191 | last, | |
192 | current_last ; | |
7fd59977 | 193 | |
194 | const Handle(Geom_Curve) C = BRep_Tool::Curve(AnEdge, | |
a86d3ec0 | 195 | LocalLoc, |
196 | current_first, | |
197 | current_last); | |
7fd59977 | 198 | if (!C.IsNull()) { |
199 | first_time_in = Standard_False ; | |
200 | } | |
a86d3ec0 | 201 | |
7fd59977 | 202 | while (an_Iterator.More()) { |
203 | geometric_representation_ptr = | |
204 | Handle(BRep_GCurve)::DownCast(an_Iterator.Value()); | |
205 | if (! geometric_representation_ptr.IsNull()) { | |
206 | has_closed_curve = | |
a86d3ec0 | 207 | has_curve = Standard_False ; |
7fd59977 | 208 | first = geometric_representation_ptr->First(); |
209 | last = geometric_representation_ptr->Last(); | |
210 | if (geometric_representation_ptr->IsCurveOnSurface()) { | |
a86d3ec0 | 211 | Curve2dPtr = geometric_representation_ptr->PCurve() ; |
212 | has_curve = Standard_True ; | |
7fd59977 | 213 | } |
214 | if (geometric_representation_ptr->IsCurveOnClosedSurface()) { | |
a86d3ec0 | 215 | Curve2dPtr2 = geometric_representation_ptr->PCurve2() ; |
216 | has_closed_curve = Standard_True ; | |
7fd59977 | 217 | } |
218 | if (has_curve || has_closed_curve) { | |
a86d3ec0 | 219 | if (first_time_in) { |
220 | current_first = first ; | |
221 | current_last = last ; | |
222 | first_time_in = Standard_False ; | |
7fd59977 | 223 | } |
a86d3ec0 | 224 | |
7fd59977 | 225 | if (Abs(first - current_first) > Precision::Confusion() || |
a86d3ec0 | 226 | Abs(last - current_last) > Precision::Confusion() ) |
227 | { | |
228 | if (has_curve) | |
229 | { | |
230 | GeomLib::SameRange(Tolerance, | |
231 | Curve2dPtr, | |
232 | geometric_representation_ptr->First(), | |
233 | geometric_representation_ptr->Last(), | |
234 | current_first, | |
235 | current_last, | |
236 | NewCurve2dPtr); | |
237 | geometric_representation_ptr->PCurve(NewCurve2dPtr) ; | |
238 | } | |
239 | if (has_closed_curve) | |
240 | { | |
241 | GeomLib::SameRange(Tolerance, | |
242 | Curve2dPtr2, | |
243 | geometric_representation_ptr->First(), | |
244 | geometric_representation_ptr->Last(), | |
245 | current_first, | |
246 | current_last, | |
247 | NewCurve2dPtr2); | |
248 | geometric_representation_ptr->PCurve2(NewCurve2dPtr2) ; | |
249 | } | |
250 | } | |
7fd59977 | 251 | } |
252 | } | |
253 | an_Iterator.Next() ; | |
254 | } | |
255 | BRep_Builder B; | |
256 | B.Range(TopoDS::Edge(AnEdge), | |
a86d3ec0 | 257 | current_first, |
258 | current_last) ; | |
7fd59977 | 259 | |
260 | B.SameRange(AnEdge, | |
a86d3ec0 | 261 | Standard_True) ; |
7fd59977 | 262 | } |
263 | ||
264 | //======================================================================= | |
265 | //function : EvaluateMaxSegment | |
266 | //purpose : return MaxSegment to pass in approximation, if MaxSegment==0 provided | |
267 | //======================================================================= | |
268 | ||
269 | static Standard_Integer evaluateMaxSegment(const Standard_Integer aMaxSegment, | |
a86d3ec0 | 270 | const Adaptor3d_CurveOnSurface& aCurveOnSurface) |
7fd59977 | 271 | { |
272 | if (aMaxSegment != 0) return aMaxSegment; | |
273 | ||
274 | Handle(Adaptor3d_HSurface) aSurf = aCurveOnSurface.GetSurface(); | |
275 | Handle(Adaptor2d_HCurve2d) aCurv2d = aCurveOnSurface.GetCurve(); | |
276 | ||
277 | Standard_Real aNbSKnots = 0, aNbC2dKnots = 0; | |
a86d3ec0 | 278 | |
7fd59977 | 279 | if (aSurf->GetType() == GeomAbs_BSplineSurface) { |
280 | Handle(Geom_BSplineSurface) aBSpline = aSurf->BSpline(); | |
281 | aNbSKnots = Max(aBSpline->NbUKnots(), aBSpline->NbVKnots()); | |
282 | } | |
283 | if (aCurv2d->GetType() == GeomAbs_BSplineCurve) { | |
284 | aNbC2dKnots = aCurv2d->NbKnots(); | |
285 | } | |
286 | Standard_Integer aReturn = (Standard_Integer) ( 30 + Max(aNbSKnots, aNbC2dKnots) ) ; | |
287 | return aReturn; | |
288 | } | |
289 | ||
290 | //======================================================================= | |
291 | //function : BuildCurve3d | |
292 | //purpose : | |
293 | //======================================================================= | |
294 | ||
295 | Standard_Boolean BRepLib::BuildCurve3d(const TopoDS_Edge& AnEdge, | |
a86d3ec0 | 296 | const Standard_Real Tolerance, |
297 | const GeomAbs_Shape Continuity, | |
298 | const Standard_Integer MaxDegree, | |
299 | const Standard_Integer MaxSegment) | |
7fd59977 | 300 | { |
301 | Standard_Integer //ErrorCode, | |
a86d3ec0 | 302 | // ReturnCode = 0, |
303 | ii, | |
304 | // num_knots, | |
305 | jj; | |
7fd59977 | 306 | |
307 | TopLoc_Location LocalLoc,L[2],LC; | |
308 | Standard_Real f,l,fc,lc, first[2], last[2], | |
a86d3ec0 | 309 | tolerance, |
310 | max_deviation, | |
311 | average_deviation ; | |
7fd59977 | 312 | Handle(Geom2d_Curve) Curve2dPtr, Curve2dArray[2] ; |
313 | Handle(Geom_Surface) SurfacePtr, SurfaceArray[2] ; | |
314 | ||
315 | Standard_Integer not_done ; | |
316 | // if the edge has a 3d curve returns true | |
317 | ||
318 | ||
319 | const Handle(Geom_Curve) C = BRep_Tool::Curve(AnEdge,LocalLoc,f,l); | |
320 | if (!C.IsNull()) | |
321 | return Standard_True; | |
a86d3ec0 | 322 | // |
323 | // this should not exists but UpdateEdge makes funny things | |
324 | // if the edge is not same range | |
325 | // | |
7fd59977 | 326 | if (! CheckSameRange(AnEdge, |
a86d3ec0 | 327 | Precision::Confusion())) { |
328 | SameRange(AnEdge, | |
329 | Tolerance) ; | |
7fd59977 | 330 | } |
331 | ||
a86d3ec0 | 332 | |
7fd59977 | 333 | |
334 | // search a curve on a plane | |
335 | Handle(Geom_Surface) S; | |
336 | Handle(Geom2d_Curve) PC; | |
337 | Standard_Integer i = 0; | |
338 | Handle(Geom_Plane) P; | |
339 | not_done = 1 ; | |
340 | ||
341 | while (not_done) { | |
342 | i++; | |
343 | BRep_Tool::CurveOnSurface(AnEdge,PC,S,LocalLoc,f,l,i); | |
344 | Handle(Geom_RectangularTrimmedSurface) RT = | |
345 | Handle(Geom_RectangularTrimmedSurface)::DownCast(S); | |
346 | if ( RT.IsNull()) { | |
347 | P = Handle(Geom_Plane)::DownCast(S); | |
348 | } | |
349 | else { | |
350 | P = Handle(Geom_Plane)::DownCast(RT->BasisSurface()); | |
351 | } | |
352 | not_done = ! (S.IsNull() || !P.IsNull()) ; | |
353 | } | |
354 | if (! P.IsNull()) { | |
355 | // compute the 3d curve | |
356 | gp_Ax2 axes = P->Position().Ax2(); | |
357 | Handle(Geom_Curve) C3d = GeomLib::To3d(axes,PC); | |
dfc06d1f A |
358 | if (C3d.IsNull()) |
359 | return Standard_False; | |
7fd59977 | 360 | // update the edge |
361 | Standard_Real First, Last; | |
362 | ||
363 | BRep_Builder B; | |
7fd59977 | 364 | B.UpdateEdge(AnEdge,C3d,LocalLoc,0.0e0); |
365 | BRep_Tool::Range(AnEdge, S, LC, First, Last); | |
0d969553 | 366 | B.Range(AnEdge, First, Last); //Do not forget 3D range.(PRO6412) |
7fd59977 | 367 | } |
368 | else { | |
369 | // | |
370 | // compute the 3d curve using existing surface | |
371 | // | |
372 | fc = f ; | |
373 | lc = l ; | |
374 | if (!BRep_Tool::Degenerated(AnEdge)) { | |
375 | jj = 0 ; | |
376 | for (ii = 0 ; ii < 3 ; ii++ ) { | |
a86d3ec0 | 377 | BRep_Tool::CurveOnSurface(TopoDS::Edge(AnEdge), |
378 | Curve2dPtr, | |
379 | SurfacePtr, | |
380 | LocalLoc, | |
381 | fc, | |
382 | lc, | |
383 | ii) ; | |
384 | ||
385 | if (!Curve2dPtr.IsNull() && jj < 2){ | |
386 | Curve2dArray[jj] = Curve2dPtr ; | |
387 | SurfaceArray[jj] = SurfacePtr ; | |
388 | L[jj] = LocalLoc ; | |
389 | first[jj] = fc ; | |
390 | last[jj] = lc ; | |
391 | jj += 1 ; | |
392 | } | |
7fd59977 | 393 | } |
394 | f = first[0] ; | |
395 | l = last[0] ; | |
396 | Curve2dPtr = Curve2dArray[0] ; | |
397 | SurfacePtr = SurfaceArray[0] ; | |
a86d3ec0 | 398 | |
7fd59977 | 399 | Geom2dAdaptor_Curve AnAdaptor3dCurve2d (Curve2dPtr, f, l) ; |
400 | GeomAdaptor_Surface AnAdaptor3dSurface (SurfacePtr) ; | |
401 | Handle(Geom2dAdaptor_HCurve) AnAdaptor3dCurve2dPtr = | |
a86d3ec0 | 402 | new Geom2dAdaptor_HCurve(AnAdaptor3dCurve2d) ; |
7fd59977 | 403 | Handle(GeomAdaptor_HSurface) AnAdaptor3dSurfacePtr = |
a86d3ec0 | 404 | new GeomAdaptor_HSurface (AnAdaptor3dSurface) ; |
7fd59977 | 405 | Adaptor3d_CurveOnSurface CurveOnSurface( AnAdaptor3dCurve2dPtr, |
a86d3ec0 | 406 | AnAdaptor3dSurfacePtr) ; |
407 | ||
7fd59977 | 408 | Handle(Geom_Curve) NewCurvePtr ; |
409 | ||
410 | GeomLib::BuildCurve3d(Tolerance, | |
a86d3ec0 | 411 | CurveOnSurface, |
412 | f, | |
413 | l, | |
414 | NewCurvePtr, | |
415 | max_deviation, | |
416 | average_deviation, | |
417 | Continuity, | |
418 | MaxDegree, | |
419 | evaluateMaxSegment(MaxSegment,CurveOnSurface)) ; | |
7fd59977 | 420 | BRep_Builder B; |
421 | tolerance = BRep_Tool::Tolerance(AnEdge) ; | |
422 | //Patch | |
423 | //max_deviation = Max(tolerance, max_deviation) ; | |
424 | max_deviation = Max( tolerance, Tolerance ); | |
dfc06d1f A |
425 | if (NewCurvePtr.IsNull()) |
426 | return Standard_False; | |
7fd59977 | 427 | B.UpdateEdge(TopoDS::Edge(AnEdge), |
a86d3ec0 | 428 | NewCurvePtr, |
429 | L[0], | |
430 | max_deviation) ; | |
7fd59977 | 431 | if (jj == 1 ) { |
a86d3ec0 | 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) ; | |
7fd59977 | 438 | } |
439 | } | |
440 | else { | |
441 | return Standard_False ; | |
442 | } | |
a86d3ec0 | 443 | |
7fd59977 | 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, | |
a86d3ec0 | 456 | 1.0e-5) ; |
7fd59977 | 457 | } |
458 | ||
459 | //======================================================================= | |
460 | //function : BuildCurves3d | |
461 | //purpose : | |
462 | //======================================================================= | |
463 | ||
464 | Standard_Boolean BRepLib::BuildCurves3d(const TopoDS_Shape& S, | |
a86d3ec0 | 465 | const Standard_Real Tolerance, |
466 | const GeomAbs_Shape Continuity, | |
467 | const Standard_Integer MaxDegree, | |
468 | const Standard_Integer MaxSegment) | |
7fd59977 | 469 | { |
470 | Standard_Boolean boolean_value, | |
a86d3ec0 | 471 | ok = Standard_True; |
7fd59977 | 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 = | |
a86d3ec0 | 478 | BuildCurve3d(TopoDS::Edge(ex.Current()), |
479 | Tolerance, Continuity, | |
480 | MaxDegree, MaxSegment); | |
7fd59977 | 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, | |
a86d3ec0 | 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()) ) ; | |
7fd59977 | 542 | } |
a86d3ec0 | 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 ; | |
7fd59977 | 576 | } |
a86d3ec0 | 577 | curve_on_surface_index += 1 ; |
7fd59977 | 578 | } |
a86d3ec0 | 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 ; | |
7fd59977 | 614 | } |
a86d3ec0 | 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 | } | |
7fd59977 | 684 | |
7fd59977 | 685 | |
7fd59977 | 686 | } |
a86d3ec0 | 687 | curve_index += 1 ; |
688 | second_iterator.Next() ; | |
7fd59977 | 689 | } |
a86d3ec0 | 690 | |
691 | TE->Tolerance(edge_tolerance); | |
692 | return Standard_True ; | |
693 | ||
694 | } | |
7fd59977 | 695 | //======================================================================= |
696 | //function : UpdateEdgeTolerance | |
697 | //purpose : | |
698 | //======================================================================= | |
699 | ||
700 | Standard_Boolean BRepLib::UpdateEdgeTolerance(const TopoDS_Shape& S, | |
a86d3ec0 | 701 | const Standard_Real MinToleranceRequested, |
702 | const Standard_Real MaxToleranceToCheck) | |
7fd59977 | 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 = | |
a86d3ec0 | 713 | BRepLib::UpdateEdgeTol(TopoDS::Edge(ex.Current()), |
714 | MinToleranceRequested, | |
715 | MaxToleranceToCheck) ; | |
7fd59977 | 716 | if (local_flag && ! return_status) { |
a86d3ec0 | 717 | return_status = Standard_True ; |
7fd59977 | 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, | |
a86d3ec0 | 731 | const TopoDS_Face& F) |
7fd59977 | 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 | ||
41194117 K |
754 | Handle(GeomAdaptor_HCurve) HC = new GeomAdaptor_HCurve(); |
755 | Handle(GeomAdaptor_HSurface) HS = new GeomAdaptor_HSurface(); | |
a86d3ec0 | 756 | |
7fd59977 | 757 | TopLoc_Location LC; |
758 | Standard_Real First, Last; | |
759 | GeomAdaptor_Curve& GAC = HC->ChangeCurve(); | |
760 | GAC.Load(BRep_Tool::Curve(E,LC,First,Last)); | |
761 | LC = L.Predivided(LC); | |
762 | ||
763 | if (!LC.IsIdentity()) { | |
764 | GP = Handle(Geom_Plane)::DownCast( | |
a86d3ec0 | 765 | GP->Transformed(LC.Transformation())); |
7fd59977 | 766 | } |
767 | GeomAdaptor_Surface& GAS = HS->ChangeSurface(); | |
768 | GAS.Load(GP); | |
a86d3ec0 | 769 | |
7fd59977 | 770 | ProjLib_ProjectedCurve Proj(HS,HC); |
771 | Handle(Geom2d_Curve) pc = Geom2dAdaptor::MakeCurve(Proj); | |
772 | ||
773 | gp_Pln pln = GAS.Plane(); | |
774 | Standard_Real d2 = 0.; | |
775 | Standard_Integer nn = 23; | |
776 | Standard_Real unsurnn = 1./nn; | |
777 | for(Standard_Integer i = 0; i <= nn; i++){ | |
778 | Standard_Real t = unsurnn*i; | |
779 | Standard_Real u = First*(1.-t) + Last*t; | |
780 | gp_Pnt Pc3d = HC->Value(u); | |
781 | gp_Pnt2d p2d = pc->Value(u); | |
782 | gp_Pnt Pcons = ElSLib::Value(p2d.X(),p2d.Y(),pln); | |
783 | Standard_Real temp = Pc3d.SquareDistance(Pcons); | |
784 | if(temp > d2) d2 = temp; | |
785 | } | |
786 | d2 = 1.5*sqrt(d2); | |
787 | TE->UpdateTolerance(d2); | |
788 | } | |
789 | ||
790 | //======================================================================= | |
791 | //function : SameParameter | |
792 | //purpose : | |
793 | //======================================================================= | |
794 | void BRepLib::SameParameter(const TopoDS_Shape& S, | |
a86d3ec0 | 795 | const Standard_Real Tolerance, |
796 | const Standard_Boolean forced) | |
7fd59977 | 797 | { |
798 | TopExp_Explorer ex(S,TopAbs_EDGE); | |
799 | TopTools_MapOfShape Done; | |
800 | BRep_Builder brB; | |
801 | ||
802 | while (ex.More()) { | |
803 | if (Done.Add(ex.Current())) { | |
804 | if (forced) { | |
a86d3ec0 | 805 | brB.SameRange(TopoDS::Edge(ex.Current()), Standard_False); |
806 | brB.SameParameter(TopoDS::Edge(ex.Current()), Standard_False); | |
7fd59977 | 807 | } |
808 | BRepLib::SameParameter(TopoDS::Edge(ex.Current()),Tolerance); | |
809 | } | |
810 | ex.Next(); | |
811 | } | |
812 | ||
813 | Done.Clear(); | |
814 | BRepAdaptor_Surface BS; | |
815 | for(ex.Init(S,TopAbs_FACE); ex.More(); ex.Next()){ | |
816 | const TopoDS_Face& curface = TopoDS::Face(ex.Current()); | |
817 | if(!Done.Add(curface)) continue; | |
818 | BS.Initialize(curface); | |
819 | if(BS.GetType() != GeomAbs_Plane) continue; | |
820 | TopExp_Explorer ex2; | |
821 | for(ex2.Init(curface,TopAbs_EDGE); ex2.More(); ex2.Next()){ | |
822 | const TopoDS_Edge& E = TopoDS::Edge(ex2.Current()); | |
823 | SetEdgeTol(E,curface); | |
824 | } | |
825 | } | |
826 | BRepLib::UpdateTolerances(S); | |
827 | } | |
828 | ||
0d969553 | 829 | //================================================================ |
7fd59977 | 830 | //function : SameParameter |
0d969553 Y |
831 | //WARNING : New spec DUB LBO 9/9/97. |
832 | // Recode in the edge the best tolerance found, | |
833 | // for vertex extremities it is required to find something else | |
834 | //================================================================ | |
7fd59977 | 835 | static Standard_Boolean EvalTol(const Handle(Geom2d_Curve)& pc, |
a86d3ec0 | 836 | const Handle(Geom_Surface)& s, |
837 | const GeomAdaptor_Curve& gac, | |
838 | const Standard_Real tol, | |
839 | Standard_Real& tolbail) | |
7fd59977 | 840 | { |
841 | Standard_Integer ok = 0; | |
842 | Standard_Real f = gac.FirstParameter(); | |
843 | Standard_Real l = gac.LastParameter(); | |
844 | Extrema_LocateExtPC Projector; | |
845 | Projector.Initialize(gac,f,l,tol); | |
846 | Standard_Real u,v; | |
847 | gp_Pnt p; | |
848 | tolbail = tol; | |
849 | for(Standard_Integer i = 1; i <= 5; i++){ | |
850 | Standard_Real t = i/6.; | |
851 | t = (1.-t) * f + t * l; | |
852 | pc->Value(t).Coord(u,v); | |
853 | p = s->Value(u,v); | |
854 | Projector.Perform(p,t); | |
855 | if (Projector.IsDone()) { | |
856 | Standard_Real dist2 = Projector.SquareDistance(); | |
857 | if(dist2 > tolbail * tolbail) tolbail = sqrt (dist2); | |
858 | ok++; | |
859 | } | |
860 | } | |
861 | return (ok > 2); | |
862 | } | |
863 | ||
864 | static Standard_Real ComputeTol(const Handle(Adaptor3d_HCurve)& c3d, | |
a86d3ec0 | 865 | const Handle(Adaptor2d_HCurve2d)& c2d, |
866 | const Handle(Adaptor3d_HSurface)& surf, | |
867 | const Standard_Integer nbp) | |
7fd59977 | 868 | |
869 | { | |
870 | ||
871 | TColStd_Array1OfReal dist(1,nbp+10); | |
872 | dist.Init(-1.); | |
873 | ||
7fd59977 | 874 | Adaptor3d_CurveOnSurface cons(c2d,surf); |
875 | Standard_Real d2 = 0.; | |
7fd59977 | 876 | Standard_Real first = c3d->FirstParameter(); |
877 | Standard_Real last = c3d->LastParameter(); | |
878 | Standard_Integer i = 0; | |
a86d3ec0 | 879 | for(i = 0; i <= nbp; i++){ |
880 | const Standard_Real t = IntToReal(i)/IntToReal(nbp); | |
881 | const Standard_Real u = first*(1.-t) + last*t; | |
7fd59977 | 882 | gp_Pnt Pc3d = c3d->Value(u); |
883 | gp_Pnt Pcons = cons.Value(u); | |
884 | if (Precision::IsInfinite(Pcons.X()) || | |
a86d3ec0 | 885 | Precision::IsInfinite(Pcons.Y()) || |
886 | Precision::IsInfinite(Pcons.Z())) { | |
887 | d2=Precision::Infinite(); | |
888 | break; | |
7fd59977 | 889 | } |
890 | Standard_Real temp = Pc3d.SquareDistance(Pcons); | |
891 | ||
892 | ||
893 | dist(i+1) = temp; | |
894 | ||
895 | ||
896 | if(temp > d2) d2 = temp; | |
897 | } | |
898 | ||
899 | ||
900 | Standard_Boolean ana = Standard_False; | |
901 | Standard_Real D2 = 0; | |
902 | Standard_Integer N1 = 0; | |
903 | Standard_Integer N2 = 0; | |
904 | Standard_Integer N3 = 0; | |
905 | ||
906 | for( i = 1; i<= nbp+10; i++) | |
907 | if( dist(i) > 0 ) { | |
908 | if( dist(i) < 1.0 ) N1++; | |
909 | else N2++; | |
910 | } | |
911 | ||
a86d3ec0 | 912 | if( N1 > N2 && N2 != 0 ) N3 = 100*N2/(N1+N2); |
913 | if( N3 < 10 && N3 != 0 ) { | |
914 | ana = Standard_True; | |
915 | for( i = 1; i<= nbp+10; i++) | |
916 | if( dist(i) > 0 && dist(i) < 1.0 ) | |
917 | if( dist(i) > D2 ) D2 = dist(i); | |
918 | } | |
7fd59977 | 919 | |
a86d3ec0 | 920 | //d2 = 1.5*sqrt(d2); |
921 | d2 = (!ana) ? 1.5*sqrt(d2) : 1.5*sqrt(D2); | |
922 | if(d2<1.e-7) d2 = 1.e-7; | |
7fd59977 | 923 | |
a86d3ec0 | 924 | return d2; |
7fd59977 | 925 | } |
926 | ||
7fd59977 | 927 | void BRepLib::SameParameter(const TopoDS_Edge& AnEdge, |
a86d3ec0 | 928 | const Standard_Real Tolerance) |
7fd59977 | 929 | { |
930 | if (BRep_Tool::SameParameter(AnEdge)) return; | |
931 | ||
932 | const Standard_Integer NCONTROL = 22; | |
933 | ||
41194117 K |
934 | Handle(GeomAdaptor_HCurve) HC = new GeomAdaptor_HCurve(); |
935 | Handle(Geom2dAdaptor_HCurve) HC2d = new Geom2dAdaptor_HCurve(); | |
936 | Handle(GeomAdaptor_HSurface) HS = new GeomAdaptor_HSurface(); | |
7fd59977 | 937 | GeomAdaptor_Curve& GAC = HC->ChangeCurve(); |
938 | Geom2dAdaptor_Curve& GAC2d = HC2d->ChangeCurve2d(); | |
939 | GeomAdaptor_Surface& GAS = HS->ChangeSurface(); | |
7fd59977 | 940 | Standard_Real f3d =0.,l3d =0.; |
7fd59977 | 941 | TopLoc_Location L3d; |
942 | Handle(Geom_Curve) C3d; | |
943 | ||
944 | const Handle(BRep_TEdge)& TE = *((Handle(BRep_TEdge)*) &AnEdge.TShape()); | |
945 | BRep_ListOfCurveRepresentation& CList = TE->ChangeCurves(); | |
946 | BRep_ListIteratorOfListOfCurveRepresentation It(CList); | |
a86d3ec0 | 947 | |
7fd59977 | 948 | Standard_Boolean NotDone = Standard_True; |
949 | ||
950 | while (NotDone && It.More()) { | |
951 | Handle(BRep_GCurve) GCurve = Handle(BRep_GCurve)::DownCast(It.Value()); | |
952 | if (!GCurve.IsNull() && GCurve->IsCurve3D()) { | |
953 | C3d = GCurve->Curve3D() ; | |
954 | f3d = GCurve->First(); | |
955 | l3d = GCurve->Last(); | |
956 | L3d = GCurve->Location() ; | |
957 | NotDone = Standard_False; | |
958 | } | |
959 | It.Next() ; | |
960 | } | |
961 | ||
962 | if(C3d.IsNull()) return; | |
963 | ||
964 | // modified by NIZHNY-OCC486 Tue Aug 27 17:15:13 2002 : | |
965 | Standard_Boolean m_TrimmedPeriodical = Standard_False; | |
966 | Handle(Standard_Type) TheType = C3d->DynamicType(); | |
967 | if( TheType == STANDARD_TYPE(Geom_TrimmedCurve)) | |
a86d3ec0 | 968 | { |
969 | const Handle(Geom_Curve)& gtC = (*((Handle(Geom_TrimmedCurve)*)&C3d))->BasisCurve(); | |
970 | m_TrimmedPeriodical = gtC->IsPeriodic(); | |
971 | } | |
7fd59977 | 972 | // modified by NIZHNY-OCC486 Tue Aug 27 17:15:17 2002 . |
973 | ||
974 | BRep_Builder B; | |
975 | if(!C3d->IsPeriodic()) { | |
976 | Standard_Real Udeb = C3d->FirstParameter(); | |
977 | Standard_Real Ufin = C3d->LastParameter(); | |
978 | // modified by NIZHNY-OCC486 Tue Aug 27 17:17:14 2002 : | |
979 | //if (Udeb > f3d) f3d = Udeb; | |
980 | //if (l3d > Ufin) l3d = Ufin; | |
981 | if(!m_TrimmedPeriodical) | |
a86d3ec0 | 982 | { |
983 | if (Udeb > f3d) f3d = Udeb; | |
984 | if (l3d > Ufin) l3d = Ufin; | |
985 | } | |
7fd59977 | 986 | // modified by NIZHNY-OCC486 Tue Aug 27 17:17:55 2002 . |
987 | } | |
988 | if(!L3d.IsIdentity()){ | |
989 | C3d = Handle(Geom_Curve)::DownCast(C3d->Transformed(L3d.Transformation())); | |
990 | } | |
991 | GAC.Load(C3d,f3d,l3d); | |
992 | ||
993 | Standard_Boolean IsSameP = 1; | |
994 | Standard_Real maxdist = 0.; | |
995 | ||
a86d3ec0 | 996 | // Modified by skv - Thu Jun 3 12:39:19 2004 OCC5898 Begin |
7fd59977 | 997 | Standard_Real anEdgeTol = BRep_Tool::Tolerance(AnEdge); |
a86d3ec0 | 998 | // Modified by skv - Thu Jun 3 12:39:20 2004 OCC5898 End |
7fd59977 | 999 | Standard_Boolean SameRange = BRep_Tool::SameRange(AnEdge); |
1000 | Standard_Boolean YaPCu = Standard_False; | |
1001 | It.Initialize(CList); | |
1002 | ||
1003 | while (It.More()) { | |
1004 | Standard_Boolean isANA = Standard_False; | |
1005 | Standard_Boolean isBSP = Standard_False; | |
1006 | Handle(BRep_GCurve) GCurve = Handle(BRep_GCurve)::DownCast(It.Value()); | |
1007 | Handle(Geom2d_Curve) PC[2]; | |
1008 | Handle(Geom_Surface) S; | |
1009 | if (!GCurve.IsNull() && GCurve->IsCurveOnSurface()) { | |
1010 | YaPCu = Standard_True; | |
1011 | PC[0] = GCurve->PCurve(); | |
1012 | TopLoc_Location PCLoc = GCurve->Location(); | |
1013 | S = GCurve->Surface(); | |
1014 | if (!PCLoc.IsIdentity() ) { | |
a86d3ec0 | 1015 | S = Handle(Geom_Surface)::DownCast(S->Transformed(PCLoc.Transformation())); |
7fd59977 | 1016 | } |
a86d3ec0 | 1017 | |
7fd59977 | 1018 | GAS.Load(S); |
1019 | if (GCurve->IsCurveOnClosedSurface()) { | |
a86d3ec0 | 1020 | PC[1] = GCurve->PCurve2(); |
7fd59977 | 1021 | } |
a86d3ec0 | 1022 | |
7fd59977 | 1023 | // Eval tol2d to compute SameRange |
973f1c39 | 1024 | Standard_Real UResol = Max(GAS.UResolution(Tolerance), Precision::PConfusion()); |
1025 | Standard_Real VResol = Max(GAS.VResolution(Tolerance), Precision::PConfusion()); | |
7fd59977 | 1026 | Standard_Real Tol2d = Min(UResol, VResol); |
1027 | for(Standard_Integer i = 0; i < 2; i++){ | |
a86d3ec0 | 1028 | Handle(Geom2d_Curve) curPC = PC[i]; |
1029 | Standard_Boolean updatepc = 0; | |
1030 | if(curPC.IsNull()) break; | |
1031 | if(!SameRange){ | |
1032 | GeomLib::SameRange(Tol2d, | |
1033 | PC[i],GCurve->First(),GCurve->Last(), | |
1034 | f3d,l3d,curPC); | |
1035 | ||
1036 | updatepc = (curPC != PC[i]); | |
1037 | ||
1038 | } | |
1039 | Standard_Boolean goodpc = 1; | |
1040 | GAC2d.Load(curPC,f3d,l3d); | |
1041 | ||
1042 | Standard_Real error = ComputeTol(HC, HC2d, HS, NCONTROL); | |
1043 | ||
1044 | if(GAC2d.GetType() == GeomAbs_BSplineCurve && | |
1045 | GAC2d.Continuity() == GeomAbs_C0) { | |
1046 | Handle(Geom2d_BSplineCurve) bs2d = GAC2d.BSpline(); | |
1047 | Handle(Geom2d_BSplineCurve) bs2dsov = bs2d; | |
1048 | Standard_Real fC0 = bs2d->FirstParameter(), lC0 = bs2d->LastParameter(); | |
1049 | Standard_Boolean repar = Standard_True; | |
1050 | gp_Pnt2d OriginPoint; | |
1051 | bs2d->D0(fC0, OriginPoint); | |
1052 | Geom2dConvert::C0BSplineToC1BSplineCurve(bs2d, Tol2d); | |
1053 | isBSP = Standard_True; | |
1054 | ||
1055 | if(bs2d->IsPeriodic()) { // -------- IFV, Jan 2000 | |
1056 | gp_Pnt2d NewOriginPoint; | |
1057 | bs2d->D0(bs2d->FirstParameter(), NewOriginPoint); | |
1058 | if(Abs(OriginPoint.X() - NewOriginPoint.X()) > Precision::PConfusion() || | |
1059 | Abs(OriginPoint.Y() - NewOriginPoint.Y()) > Precision::PConfusion() ) { | |
1060 | ||
1061 | TColStd_Array1OfReal Knotbs2d (1, bs2d->NbKnots()); | |
1062 | bs2d->Knots(Knotbs2d); | |
1063 | ||
1064 | for(Standard_Integer Index = 1; Index <= bs2d->NbKnots(); Index++) { | |
1065 | bs2d->D0(Knotbs2d(Index), NewOriginPoint); | |
1066 | if(Abs(OriginPoint.X() - NewOriginPoint.X()) > Precision::PConfusion() || | |
1067 | Abs(OriginPoint.Y() - NewOriginPoint.Y()) > Precision::PConfusion() ) continue; | |
1068 | ||
1069 | bs2d->SetOrigin(Index); | |
1070 | break; | |
1071 | } | |
1072 | } | |
1073 | } | |
1074 | ||
1075 | if(bs2d->Continuity() == GeomAbs_C0) { | |
1076 | Standard_Real tolbail; | |
1077 | if(EvalTol(curPC,S,GAC,Tolerance,tolbail)){ | |
1078 | bs2d = bs2dsov; | |
1079 | Standard_Real UResbail = GAS.UResolution(tolbail); | |
1080 | Standard_Real VResbail = GAS.VResolution(tolbail); | |
1081 | Standard_Real Tol2dbail = Min(UResbail,VResbail); | |
1082 | bs2d->D0(bs2d->FirstParameter(), OriginPoint); | |
1083 | ||
1084 | Standard_Integer nbp = bs2d->NbPoles(); | |
1085 | TColgp_Array1OfPnt2d poles(1,nbp); | |
1086 | bs2d->Poles(poles); | |
1087 | gp_Pnt2d p = poles(1), p1; | |
1088 | Standard_Real d = Precision::Infinite(); | |
1089 | for(Standard_Integer ip = 2; ip <= nbp; ip++) { | |
1090 | p1 = poles(ip); | |
1091 | d = Min(d,p.SquareDistance(p1)); | |
1092 | p = p1; | |
1093 | } | |
1094 | d = sqrt(d)*.1; | |
1095 | ||
1096 | Tol2dbail = Max(Min(Tol2dbail,d),Tol2d); | |
1097 | ||
1098 | Geom2dConvert::C0BSplineToC1BSplineCurve(bs2d,Tol2dbail); | |
1099 | ||
1100 | if(bs2d->IsPeriodic()) { // -------- IFV, Jan 2000 | |
1101 | gp_Pnt2d NewOriginPoint; | |
1102 | bs2d->D0(bs2d->FirstParameter(), NewOriginPoint); | |
1103 | if(Abs(OriginPoint.X() - NewOriginPoint.X()) > Precision::PConfusion() || | |
1104 | Abs(OriginPoint.Y() - NewOriginPoint.Y()) > Precision::PConfusion() ) { | |
1105 | ||
1106 | TColStd_Array1OfReal Knotbs2d (1, bs2d->NbKnots()); | |
1107 | bs2d->Knots(Knotbs2d); | |
1108 | ||
1109 | for(Standard_Integer Index = 1; Index <= bs2d->NbKnots(); Index++) { | |
1110 | bs2d->D0(Knotbs2d(Index), NewOriginPoint); | |
1111 | if(Abs(OriginPoint.X() - NewOriginPoint.X()) > Precision::PConfusion() || | |
1112 | Abs(OriginPoint.Y() - NewOriginPoint.Y()) > Precision::PConfusion() ) continue; | |
1113 | ||
1114 | bs2d->SetOrigin(Index); | |
1115 | break; | |
1116 | } | |
1117 | } | |
1118 | } | |
1119 | ||
1120 | ||
1121 | if(bs2d->Continuity() == GeomAbs_C0) { | |
1122 | goodpc = 1; | |
1123 | bs2d = bs2dsov; | |
1124 | repar = Standard_False; | |
1125 | } | |
1126 | } | |
1127 | else goodpc = 0; | |
1128 | } | |
1129 | ||
1130 | if(goodpc){ | |
1131 | if(repar) { | |
1132 | Standard_Integer NbKnots = bs2d->NbKnots(); | |
1133 | TColStd_Array1OfReal Knots(1,NbKnots); | |
1134 | bs2d->Knots(Knots); | |
1135 | // BSplCLib::Reparametrize(f3d,l3d,Knots); | |
1136 | BSplCLib::Reparametrize(fC0,lC0,Knots); | |
1137 | bs2d->SetKnots(Knots); | |
1138 | GAC2d.Load(bs2d,f3d,l3d); | |
1139 | curPC = bs2d; | |
1140 | Standard_Boolean updatepcsov = updatepc; | |
1141 | updatepc = Standard_True; | |
1142 | ||
1143 | Standard_Real error1 = ComputeTol(HC, HC2d, HS, NCONTROL); | |
1144 | if(error1 > error) { | |
1145 | bs2d = bs2dsov; | |
1146 | GAC2d.Load(bs2d,f3d,l3d); | |
1147 | curPC = bs2d; | |
1148 | updatepc = updatepcsov; | |
1149 | isANA = Standard_True; | |
1150 | } | |
1151 | else { | |
1152 | error = error1; | |
1153 | } | |
1154 | } | |
1155 | ||
1156 | //check, if new BSpline "good" or not --------- IFV, Jan of 2000 | |
1157 | GeomAbs_Shape cont = bs2d->Continuity(); | |
1158 | Standard_Boolean IsBad = Standard_False; | |
1159 | ||
1160 | if(cont > GeomAbs_C0 && error > Max(1.e-3,Tolerance)) { | |
1161 | Standard_Integer NbKnots = bs2d->NbKnots(); | |
1162 | TColStd_Array1OfReal Knots(1,NbKnots); | |
1163 | bs2d->Knots(Knots); | |
1164 | Standard_Real critratio = 10.; | |
1165 | Standard_Real dtprev = Knots(2) - Knots(1), dtratio = 1.; | |
1166 | Standard_Real dtmin = dtprev; | |
1167 | Standard_Real dtcur; | |
1168 | for(Standard_Integer j = 2; j < NbKnots; j++) { | |
1169 | dtcur = Knots(j+1) - Knots(j); | |
1170 | dtmin = Min(dtmin, dtcur); | |
1171 | ||
1172 | if(IsBad) continue; | |
1173 | ||
1174 | if(dtcur > dtprev) dtratio = dtcur/dtprev; | |
1175 | else dtratio = dtprev/dtcur; | |
1176 | if(dtratio > critratio) {IsBad = Standard_True;} | |
1177 | dtprev = dtcur; | |
1178 | ||
1179 | } | |
1180 | if(IsBad) { | |
1181 | // To avoid failures in Approx_CurvilinearParameter | |
1182 | bs2d->Resolution(Max(1.e-3,Tolerance), dtcur); | |
1183 | if(dtmin < dtcur) IsBad = Standard_False; | |
1184 | } | |
1185 | } | |
1186 | ||
1187 | ||
1188 | if(IsBad ) { //if BSpline "bad", try to reparametrize it | |
1189 | // by its curve length | |
1190 | ||
1191 | // GeomAbs_Shape cont = bs2d->Continuity(); | |
1192 | if(cont > GeomAbs_C2) cont = GeomAbs_C2; | |
1193 | Standard_Integer maxdeg = bs2d->Degree(); | |
1194 | if(maxdeg == 1) maxdeg = 14; | |
1195 | Approx_CurvilinearParameter AppCurPar(HC2d, HS, Max(1.e-3,Tolerance), | |
1196 | cont, maxdeg, 10); | |
1197 | if(AppCurPar.IsDone() || AppCurPar.HasResult()) { | |
1198 | bs2d = AppCurPar.Curve2d1(); | |
1199 | GAC2d.Load(bs2d,f3d,l3d); | |
1200 | curPC = bs2d; | |
1201 | ||
1202 | if(Abs(bs2d->FirstParameter() - fC0) > Tol2d || | |
1203 | Abs(bs2d->LastParameter() - lC0) > Tol2d ) { | |
1204 | Standard_Integer NbKnots = bs2d->NbKnots(); | |
1205 | TColStd_Array1OfReal Knots(1,NbKnots); | |
1206 | bs2d->Knots(Knots); | |
1207 | // BSplCLib::Reparametrize(f3d,l3d,Knots); | |
1208 | BSplCLib::Reparametrize(fC0,lC0,Knots); | |
1209 | bs2d->SetKnots(Knots); | |
1210 | GAC2d.Load(bs2d,f3d,l3d); | |
1211 | curPC = bs2d; | |
1212 | ||
1213 | } | |
1214 | } | |
1215 | } | |
1216 | ||
1217 | ||
1218 | } | |
1219 | } | |
1220 | ||
1221 | ||
1222 | if(goodpc){ | |
1223 | // Approx_SameParameter SameP(HC,HC2d,HS,Tolerance); | |
1224 | Standard_Real aTol = (isANA && isBSP) ? 1.e-7 : Tolerance; | |
1225 | Approx_SameParameter SameP(HC,HC2d,HS,aTol); | |
1226 | ||
1227 | if (SameP.IsSameParameter()) { | |
1228 | maxdist = Max(maxdist,SameP.TolReached()); | |
1229 | if(updatepc){ | |
1230 | if (i == 0) GCurve->PCurve(curPC); | |
1231 | else GCurve->PCurve2(curPC); | |
1232 | } | |
1233 | } | |
1234 | else if (SameP.IsDone()) { | |
1235 | Standard_Real tolreached = SameP.TolReached(); | |
1236 | if(tolreached < error) { | |
1237 | curPC = SameP.Curve2d(); | |
1238 | updatepc = Standard_True; | |
1239 | maxdist = Max(maxdist,tolreached); | |
1240 | } | |
1241 | else { | |
1242 | maxdist = Max(maxdist, error); | |
1243 | } | |
1244 | if(updatepc){ | |
1245 | if (i == 0) GCurve->PCurve(curPC); | |
1246 | else GCurve->PCurve2(curPC); | |
1247 | } | |
1248 | } | |
1249 | else IsSameP = 0; | |
1250 | ||
1251 | } | |
1252 | else IsSameP = 0; | |
1253 | ||
1254 | // Modified by skv - Thu Jun 3 12:39:19 2004 OCC5898 Begin | |
1255 | if (!IsSameP) { | |
1256 | if (anEdgeTol > error) { | |
1257 | maxdist = Max(maxdist, anEdgeTol); | |
1258 | IsSameP = Standard_True; | |
1259 | } | |
1260 | } | |
1261 | // Modified by skv - Thu Jun 3 12:39:20 2004 OCC5898 End | |
7fd59977 | 1262 | } |
1263 | } | |
1264 | It.Next() ; | |
1265 | } | |
1266 | B.Range(AnEdge,f3d,l3d); | |
1267 | B.SameRange(AnEdge,Standard_True); | |
1268 | if ( IsSameP) { | |
0d969553 Y |
1269 | // Reduce eventually the tolerance of the edge, as |
1270 | // all its representations are processed (except for some associated | |
1271 | // to planes and not stored in the edge !) | |
1272 | // The same cannot be done with vertices that cannot be enlarged | |
1273 | // or left as is. | |
7fd59977 | 1274 | if (YaPCu) { |
0d969553 | 1275 | // Avoid setting too small tolerances. |
7fd59977 | 1276 | maxdist = Max(maxdist,Precision::Confusion()); |
1277 | TopoDS_Vertex V1,V2; | |
1278 | TopExp::Vertices(AnEdge,V1,V2); | |
1279 | if (!V1.IsNull()) | |
a86d3ec0 | 1280 | B.UpdateVertex(V1,maxdist); |
7fd59977 | 1281 | if (!V2.IsNull()) |
a86d3ec0 | 1282 | B.UpdateVertex(V2,maxdist); |
7fd59977 | 1283 | TE->Modified(Standard_True); |
1284 | TE->Tolerance(maxdist); | |
1285 | } | |
1286 | B.SameParameter(AnEdge,Standard_True); | |
1287 | } | |
1288 | } | |
1289 | ||
1290 | //======================================================================= | |
1291 | //function : UpdateTolerances | |
1292 | //purpose : | |
1293 | //======================================================================= | |
1294 | void BRepLib::UpdateTolerances(const TopoDS_Shape& aShape, | |
a86d3ec0 | 1295 | const Standard_Boolean verifyTolerance) |
7fd59977 | 1296 | { |
1297 | ||
a86d3ec0 | 1298 | // Harmonize tolerances |
1299 | // with rule Tolerance(VERTEX)>=Tolerance(EDGE)>=Tolerance(FACE) | |
7fd59977 | 1300 | BRep_Builder B; |
1301 | Standard_Real tol=0; | |
1302 | if (verifyTolerance) { | |
0d969553 | 1303 | // Set tolerance to its minimum value |
7fd59977 | 1304 | Handle(Geom_Surface) S; |
1305 | TopLoc_Location l; | |
1306 | TopExp_Explorer ex; | |
1307 | Bnd_Box aB; | |
1308 | Standard_Real aXmin, aYmin, aZmin, aXmax, aYmax, aZmax, dMax; | |
1309 | for (ex.Init(aShape, TopAbs_FACE); ex.More(); ex.Next()) { | |
1310 | const TopoDS_Face& curf=TopoDS::Face(ex.Current()); | |
1311 | S = BRep_Tool::Surface(curf, l); | |
1312 | if (!S.IsNull()) { | |
a86d3ec0 | 1313 | aB.SetVoid(); |
1314 | BRepBndLib::Add(curf,aB); | |
1315 | if (S->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) { | |
1316 | S = (*((Handle(Geom_RectangularTrimmedSurface)*)&S))->BasisSurface(); | |
1317 | } | |
1318 | GeomAdaptor_Surface AS(S); | |
1319 | switch (AS.GetType()) { | |
1320 | case GeomAbs_Plane: | |
1321 | case GeomAbs_Cylinder: | |
1322 | case GeomAbs_Cone: | |
1323 | { | |
1324 | tol=Precision::Confusion(); | |
1325 | break; | |
1326 | } | |
1327 | case GeomAbs_Sphere: | |
1328 | case GeomAbs_Torus: | |
1329 | { | |
1330 | tol=Precision::Confusion()*2; | |
1331 | break; | |
1332 | } | |
1333 | default: | |
1334 | tol=Precision::Confusion()*4; | |
1335 | } | |
1336 | if (!aB.IsWhole()) { | |
1337 | aB.Get(aXmin, aYmin, aZmin, aXmax, aYmax, aZmax); | |
1338 | dMax=1.; | |
1339 | if (!aB.IsOpenXmin() && !aB.IsOpenXmax()) dMax=aXmax-aXmin; | |
1340 | if (!aB.IsOpenYmin() && !aB.IsOpenYmax()) aYmin=aYmax-aYmin; | |
1341 | if (!aB.IsOpenZmin() && !aB.IsOpenZmax()) aZmin=aZmax-aZmin; | |
1342 | if (aYmin>dMax) dMax=aYmin; | |
1343 | if (aZmin>dMax) dMax=aZmin; | |
1344 | tol=tol*dMax; | |
1345 | // Do not process tolerances > 1. | |
1346 | if (tol>1.) tol=0.99; | |
1347 | } | |
1348 | const Handle(BRep_TFace)& Tf = *((Handle(BRep_TFace)*)&curf.TShape()); | |
1349 | Tf->Tolerance(tol); | |
7fd59977 | 1350 | } |
1351 | } | |
1352 | } | |
a86d3ec0 | 1353 | |
0d969553 | 1354 | //Process edges |
7fd59977 | 1355 | TopTools_IndexedDataMapOfShapeListOfShape parents; |
1356 | TopExp::MapShapesAndAncestors(aShape, TopAbs_EDGE, TopAbs_FACE, parents); | |
1357 | TopTools_ListIteratorOfListOfShape lConx; | |
1358 | Standard_Integer iCur; | |
1359 | for (iCur=1; iCur<=parents.Extent(); iCur++) { | |
1360 | tol=0; | |
1361 | for (lConx.Initialize(parents(iCur)); lConx.More(); lConx.Next()) { | |
1362 | tol=Max(tol, BRep_Tool::Tolerance(TopoDS::Face(lConx.Value()))); | |
1363 | } | |
0d969553 Y |
1364 | // Update can only increase tolerance, so if the edge has a greater |
1365 | // tolerance than its faces it is not concerned | |
7fd59977 | 1366 | B.UpdateEdge(TopoDS::Edge(parents.FindKey(iCur)), tol); |
1367 | } | |
1368 | ||
0d969553 | 1369 | //Vertices are processed |
7fd59977 | 1370 | parents.Clear(); |
1371 | TopExp::MapShapesAndAncestors(aShape, TopAbs_VERTEX, TopAbs_EDGE, parents); | |
1372 | TColStd_MapOfTransient Initialized; | |
1373 | TopTools_MapOfShape Done; | |
1374 | Standard_Integer nbV = parents.Extent(); | |
1375 | for (iCur=1; iCur<=nbV; iCur++) { | |
1376 | tol=0; | |
1377 | Done.Clear(); | |
1378 | const TopoDS_Vertex& V = TopoDS::Vertex(parents.FindKey(iCur)); | |
1379 | Bnd_Box box; | |
1380 | box.Add(BRep_Tool::Pnt(V)); | |
1381 | gp_Pnt p3d; | |
1382 | for (lConx.Initialize(parents(iCur)); lConx.More(); lConx.Next()) { | |
1383 | const TopoDS_Edge& E = TopoDS::Edge(lConx.Value()); | |
1384 | if(!Done.Add(E)) continue; | |
1385 | tol=Max(tol, BRep_Tool::Tolerance(E)); | |
1386 | if(!BRep_Tool::SameRange(E)) continue; | |
1387 | Standard_Real par = BRep_Tool::Parameter(V,E); | |
1388 | Handle(BRep_TEdge)& TE = *((Handle(BRep_TEdge)*)&E.TShape()); | |
1389 | BRep_ListIteratorOfListOfCurveRepresentation itcr(TE->Curves()); | |
1390 | const TopLoc_Location& Eloc = E.Location(); | |
1391 | while (itcr.More()) { | |
a86d3ec0 | 1392 | // For each CurveRepresentation, check the provided parameter |
1393 | const Handle(BRep_CurveRepresentation)& cr = itcr.Value(); | |
1394 | const TopLoc_Location& loc = cr->Location(); | |
1395 | TopLoc_Location L = (Eloc * loc); | |
1396 | if (cr->IsCurve3D()) { | |
1397 | const Handle(Geom_Curve)& C = cr->Curve3D(); | |
1398 | if (!C.IsNull()) { // edge non degenerated | |
1399 | p3d = C->Value(par); | |
1400 | p3d.Transform(L.Transformation()); | |
1401 | box.Add(p3d); | |
1402 | } | |
1403 | } | |
1404 | else if (cr->IsCurveOnSurface()) { | |
1405 | const Handle(Geom_Surface)& Su = cr->Surface(); | |
1406 | const Handle(Geom2d_Curve)& PC = cr->PCurve(); | |
1407 | Handle(Geom2d_Curve) PC2; | |
1408 | if (cr->IsCurveOnClosedSurface()) { | |
1409 | PC2 = cr->PCurve2(); | |
1410 | } | |
1411 | gp_Pnt2d p2d = PC->Value(par); | |
1412 | p3d = Su->Value(p2d.X(),p2d.Y()); | |
1413 | p3d.Transform(L.Transformation()); | |
1414 | box.Add(p3d); | |
1415 | if (!PC2.IsNull()) { | |
1416 | p2d = PC2->Value(par); | |
1417 | p3d = Su->Value(p2d.X(),p2d.Y()); | |
1418 | p3d.Transform(L.Transformation()); | |
1419 | box.Add(p3d); | |
1420 | } | |
1421 | } | |
1422 | itcr.Next(); | |
7fd59977 | 1423 | } |
1424 | } | |
1425 | Standard_Real aXmin, aYmin, aZmin, aXmax, aYmax, aZmax; | |
1426 | box.Get(aXmin, aYmin, aZmin, aXmax, aYmax, aZmax); | |
1427 | aXmax -= aXmin; aYmax -= aYmin; aZmax -= aZmin; | |
1428 | tol = Max(tol,sqrt(aXmax*aXmax+aYmax*aYmax+aZmax*aZmax)); | |
1429 | tol += 2.*Epsilon(tol); | |
1430 | if (verifyTolerance) { | |
0d969553 Y |
1431 | // ASet minimum value of the tolerance |
1432 | // Attention to sharing of the vertex by other shapes | |
7fd59977 | 1433 | const Handle(BRep_TVertex)& TV = *((Handle(BRep_TVertex)*)&V.TShape()); |
1434 | if (Initialized.Add(TV)) | |
a86d3ec0 | 1435 | TV->Tolerance(tol); |
7fd59977 | 1436 | else |
a86d3ec0 | 1437 | B.UpdateVertex(V, tol); |
7fd59977 | 1438 | } |
1439 | else { | |
a86d3ec0 | 1440 | // Update can only increase tolerance, so if the edge has a greater |
1441 | // tolerance than its faces it is not concerned | |
7fd59977 | 1442 | B.UpdateVertex(V, tol); |
1443 | } | |
1444 | } | |
1445 | } | |
1446 | ||
1447 | //======================================================================= | |
1448 | //function : OrientClosedSolid | |
1449 | //purpose : | |
1450 | //======================================================================= | |
1451 | Standard_Boolean BRepLib::OrientClosedSolid(TopoDS_Solid& solid) | |
1452 | { | |
a86d3ec0 | 1453 | // Set material inside the solid |
7fd59977 | 1454 | BRepClass3d_SolidClassifier where(solid); |
1455 | where.PerformInfinitePoint(Precision::Confusion()); | |
1456 | if (where.State()==TopAbs_IN) { | |
1457 | solid.Reverse(); | |
1458 | } | |
1459 | else if (where.State()==TopAbs_ON || where.State()==TopAbs_UNKNOWN) | |
1460 | return Standard_False; | |
1461 | ||
1462 | return Standard_True; | |
1463 | } | |
1464 | ||
1465 | //======================================================================= | |
1466 | //function : tgtfaces | |
0d969553 Y |
1467 | //purpose : check the angle at the border between two squares. |
1468 | // Two shares should have a shared front edge. | |
7fd59977 | 1469 | //======================================================================= |
1470 | ||
1471 | static Standard_Boolean tgtfaces(const TopoDS_Edge& Ed, | |
a86d3ec0 | 1472 | const TopoDS_Face& F1, |
1473 | const TopoDS_Face& F2, | |
1474 | const Standard_Real ta, | |
1475 | const Standard_Boolean couture) | |
7fd59977 | 1476 | { |
4f933493 | 1477 | // Check if pcurves exist on both faces of edge |
1478 | Standard_Real aFirst,aLast; | |
1479 | Handle(Geom2d_Curve) aCurve; | |
1480 | aCurve = BRep_Tool::CurveOnSurface(Ed,F1,aFirst,aLast); | |
1481 | if(aCurve.IsNull()) | |
1482 | return Standard_False; | |
1483 | aCurve = BRep_Tool::CurveOnSurface(Ed,F2,aFirst,aLast); | |
1484 | if(aCurve.IsNull()) | |
1485 | return Standard_False; | |
1486 | ||
7fd59977 | 1487 | Standard_Real u; |
1488 | TopoDS_Edge E = Ed; | |
1489 | BRepAdaptor_Surface aBAS1(F1,Standard_False); | |
1490 | BRepAdaptor_Surface aBAS2(F2,Standard_False); | |
1491 | Handle(BRepAdaptor_HSurface) HS1 = new BRepAdaptor_HSurface(aBAS1); | |
1492 | Handle(BRepAdaptor_HSurface) HS2; | |
1493 | if(couture) HS2 = HS1; | |
1494 | else HS2 = new BRepAdaptor_HSurface(aBAS2); | |
1495 | ||
1496 | E.Orientation(TopAbs_FORWARD); | |
1497 | Handle(BRepAdaptor_HCurve2d) HC2d1 = new BRepAdaptor_HCurve2d(); | |
1498 | HC2d1->ChangeCurve2d().Initialize(E,F1); | |
1499 | if(couture) E.Orientation(TopAbs_REVERSED); | |
1500 | Handle(BRepAdaptor_HCurve2d) HC2d2 = new BRepAdaptor_HCurve2d(); | |
1501 | HC2d2->ChangeCurve2d().Initialize(E,F2); | |
1502 | Adaptor3d_CurveOnSurface C1(HC2d1,HS1); | |
1503 | Adaptor3d_CurveOnSurface C2(HC2d2,HS2); | |
1504 | ||
1505 | Standard_Boolean rev1 = (F1.Orientation() == TopAbs_REVERSED); | |
1506 | Standard_Boolean rev2 = (F2.Orientation() == TopAbs_REVERSED); | |
c6541a0c | 1507 | Standard_Real f,l,eps, angmax = -M_PI; |
7fd59977 | 1508 | Standard_Real ang =0.; |
7fd59977 | 1509 | BRep_Tool::Range(E,f,l); |
1510 | Extrema_LocateExtPC ext; | |
1511 | Standard_Boolean IsInitialized = Standard_False; | |
a86d3ec0 | 1512 | |
7fd59977 | 1513 | eps = (l - f)/100.; |
0d969553 Y |
1514 | f += eps; // to avoid calculations on |
1515 | l -= eps; // points of pointed squares. | |
7fd59977 | 1516 | gp_Pnt2d p; |
1517 | gp_Pnt pp1,pp2;//,PP; | |
1518 | gp_Vec du,dv; | |
1519 | gp_Vec d1,d2; | |
1520 | Standard_Real uu, vv, norm; | |
1521 | ||
1522 | Standard_Integer i; | |
1523 | Standard_Boolean Nok; | |
1524 | for(i = 0; (i<= 20) && (angmax<=ta) ; i++){ | |
0d969553 | 1525 | // First suppose that this is sameParameter |
7fd59977 | 1526 | Nok = Standard_True; |
1527 | u = f + (l-f)*i/20; | |
1528 | HC2d1->D0(u,p); | |
1529 | HS1->D1(p.X(),p.Y(),pp1,du,dv); | |
1530 | d1 = (du.Crossed(dv)); | |
1531 | norm = d1.Magnitude(); | |
1532 | if (norm > 1.e-12) d1 /= norm; | |
1533 | else Nok=Standard_False; | |
1534 | if(rev1) d1.Reverse(); | |
1535 | ||
1536 | HC2d2->D0(u,p); | |
1537 | HS2->D1(p.X(), p.Y(), pp2, du, dv); | |
1538 | d2 = (du.Crossed(dv)); | |
1539 | norm = d2.Magnitude(); | |
1540 | if (norm> 1.e-12) d2 /= norm; | |
1541 | else Nok=Standard_False; | |
1542 | if(rev2) d2.Reverse(); | |
1543 | if (Nok) ang = d1.Angle(d2); | |
1544 | ||
0d969553 | 1545 | if (Nok &&(ang > ta)) { // Refine by projection |
7fd59977 | 1546 | if (! IsInitialized ) { |
a86d3ec0 | 1547 | ext.Initialize(C2,f,l,Precision::PConfusion()); |
1548 | IsInitialized = Standard_True; | |
7fd59977 | 1549 | } |
1550 | ext.Perform(pp1,u); | |
1551 | if(ext.IsDone() && ext.IsMin()){ | |
a86d3ec0 | 1552 | Extrema_POnCurv poc = ext.Point(); |
1553 | Standard_Real v = poc.Parameter(); | |
1554 | ||
1555 | HC2d2->D0(v,p); | |
1556 | p.Coord(uu,vv); | |
1557 | HS2->D1(p.X(), p.Y(), pp2, du, dv); | |
1558 | d2 = (du.Crossed(dv)); | |
1559 | norm = d2.Magnitude(); | |
1560 | if (norm> 1.e-12) d2 /= norm; | |
1561 | else Nok = Standard_False; | |
1562 | if(rev2) d2.Reverse(); | |
1563 | if (Nok) ang = d1.Angle(d2); | |
7fd59977 | 1564 | } |
1565 | } | |
1566 | if(ang >= angmax) angmax = ang; | |
1567 | } | |
a86d3ec0 | 1568 | |
7fd59977 | 1569 | return (angmax<=ta); |
1570 | ||
1571 | } | |
1572 | ||
1573 | ||
1574 | //======================================================================= | |
1575 | // function : EncodeRegularity | |
0d969553 Y |
1576 | // purpose : code the regularities on all edges of the shape, boundary of |
1577 | // two faces that do not have it. | |
7fd59977 | 1578 | //======================================================================= |
1579 | ||
1580 | void BRepLib::EncodeRegularity(const TopoDS_Shape& S, | |
a86d3ec0 | 1581 | const Standard_Real TolAng) |
7fd59977 | 1582 | { |
1583 | BRep_Builder B; | |
1584 | TopTools_IndexedDataMapOfShapeListOfShape M; | |
1585 | TopExp::MapShapesAndAncestors(S,TopAbs_EDGE,TopAbs_FACE,M); | |
1586 | TopTools_ListIteratorOfListOfShape It; | |
1587 | TopExp_Explorer Ex; | |
1588 | TopoDS_Face F1,F2; | |
1589 | Standard_Boolean found, couture; | |
1590 | for(Standard_Integer i = 1; i <= M.Extent(); i++){ | |
1591 | TopoDS_Edge E = TopoDS::Edge(M.FindKey(i)); | |
1592 | found = Standard_False; couture = Standard_False; | |
1593 | F1.Nullify(); | |
1594 | for(It.Initialize(M.FindFromIndex(i));It.More() && !found;It.Next()){ | |
1595 | if(F1.IsNull()) { F1 = TopoDS::Face(It.Value()); } | |
1596 | else { | |
a86d3ec0 | 1597 | if(!F1.IsSame(TopoDS::Face(It.Value()))){ |
1598 | found = Standard_True; | |
1599 | F2 = TopoDS::Face(It.Value()); | |
1600 | } | |
7fd59977 | 1601 | } |
1602 | } | |
0d969553 | 1603 | if (!found && !F1.IsNull()){//is it a sewing edge? |
7fd59977 | 1604 | TopAbs_Orientation orE = E.Orientation(); |
1605 | TopoDS_Edge curE; | |
1606 | for(Ex.Init(F1,TopAbs_EDGE);Ex.More() && !found;Ex.Next()){ | |
a86d3ec0 | 1607 | curE= TopoDS::Edge(Ex.Current()); |
1608 | if(E.IsSame(curE) && orE != curE.Orientation()) { | |
1609 | found = Standard_True; | |
1610 | couture = Standard_True; | |
1611 | F2 = F1; | |
1612 | } | |
7fd59977 | 1613 | } |
1614 | } | |
1615 | if(found){ | |
1616 | if(BRep_Tool::Continuity(E,F1,F2)<=GeomAbs_C0){ | |
041bfce9 | 1617 | |
1618 | try { | |
a86d3ec0 | 1619 | if(tgtfaces(E, F1, F2, TolAng, couture)){ |
1620 | B.Continuity(E,F1,F2,GeomAbs_G1); | |
041bfce9 | 1621 | } |
1622 | } | |
1623 | catch(Standard_Failure) | |
1624 | { | |
1625 | } | |
7fd59977 | 1626 | } |
1627 | } | |
1628 | } | |
1629 | } | |
1630 | ||
1631 | //======================================================================= | |
1632 | // function : EncodeRegularity | |
0d969553 | 1633 | // purpose : code the regularity between 2 faces on an edge |
7fd59977 | 1634 | //======================================================================= |
1635 | ||
1636 | void BRepLib::EncodeRegularity(TopoDS_Edge& E, | |
a86d3ec0 | 1637 | const TopoDS_Face& F1, |
1638 | const TopoDS_Face& F2, | |
1639 | const Standard_Real TolAng) | |
7fd59977 | 1640 | { |
1641 | BRep_Builder B; | |
1642 | if(BRep_Tool::Continuity(E,F1,F2)<=GeomAbs_C0){ | |
041bfce9 | 1643 | try { |
1644 | if( tgtfaces(E, F1, F2, TolAng, F1.IsEqual(F2))) { | |
1645 | B.Continuity(E,F1,F2,GeomAbs_G1); | |
1646 | } | |
1647 | } | |
1648 | catch(Standard_Failure) | |
1649 | { | |
1650 | } | |
a86d3ec0 | 1651 | } |
7fd59977 | 1652 | } |
1653 | ||
1654 | //======================================================================= | |
1655 | //function : SortFaces | |
1656 | //purpose : | |
1657 | //======================================================================= | |
1658 | ||
1659 | void BRepLib::SortFaces (const TopoDS_Shape& Sh, | |
a86d3ec0 | 1660 | TopTools_ListOfShape& LF) |
7fd59977 | 1661 | { |
1662 | LF.Clear(); | |
1663 | TopTools_ListOfShape LTri,LPlan,LCyl,LCon,LSphere,LTor,LOther; | |
1664 | TopExp_Explorer exp(Sh,TopAbs_FACE); | |
1665 | TopLoc_Location l; | |
1666 | Handle(Geom_Surface) S; | |
1667 | ||
1668 | for (; exp.More(); exp.Next()) { | |
1669 | const TopoDS_Face& F = TopoDS::Face(exp.Current()); | |
1670 | S = BRep_Tool::Surface(F, l); | |
1671 | if (!S.IsNull()) { | |
1672 | if (S->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) { | |
a86d3ec0 | 1673 | S = (*((Handle(Geom_RectangularTrimmedSurface)*)&S))->BasisSurface(); |
7fd59977 | 1674 | } |
1675 | GeomAdaptor_Surface AS(S); | |
1676 | switch (AS.GetType()) { | |
1677 | case GeomAbs_Plane: | |
a86d3ec0 | 1678 | { |
1679 | LPlan.Append(F); | |
1680 | break; | |
1681 | } | |
7fd59977 | 1682 | case GeomAbs_Cylinder: |
a86d3ec0 | 1683 | { |
1684 | LCyl.Append(F); | |
1685 | break; | |
1686 | } | |
7fd59977 | 1687 | case GeomAbs_Cone: |
a86d3ec0 | 1688 | { |
1689 | LCon.Append(F); | |
1690 | break; | |
1691 | } | |
7fd59977 | 1692 | case GeomAbs_Sphere: |
a86d3ec0 | 1693 | { |
1694 | LSphere.Append(F); | |
1695 | break; | |
1696 | } | |
7fd59977 | 1697 | case GeomAbs_Torus: |
a86d3ec0 | 1698 | { |
1699 | LTor.Append(F); | |
1700 | break; | |
1701 | } | |
7fd59977 | 1702 | default: |
a86d3ec0 | 1703 | LOther.Append(F); |
7fd59977 | 1704 | } |
1705 | } | |
1706 | else LTri.Append(F); | |
1707 | } | |
1708 | LF.Append(LPlan); LF.Append(LCyl ); LF.Append(LCon); LF.Append(LSphere); | |
1709 | LF.Append(LTor ); LF.Append(LOther); LF.Append(LTri); | |
1710 | } | |
1711 | ||
1712 | //======================================================================= | |
1713 | //function : ReverseSortFaces | |
1714 | //purpose : | |
1715 | //======================================================================= | |
1716 | ||
1717 | void BRepLib::ReverseSortFaces (const TopoDS_Shape& Sh, | |
a86d3ec0 | 1718 | TopTools_ListOfShape& LF) |
7fd59977 | 1719 | { |
1720 | LF.Clear(); | |
1721 | TopTools_ListOfShape LTri,LPlan,LCyl,LCon,LSphere,LTor,LOther; | |
1722 | TopExp_Explorer exp(Sh,TopAbs_FACE); | |
1723 | TopLoc_Location l; | |
1724 | Handle(Geom_Surface) S; | |
a86d3ec0 | 1725 | |
7fd59977 | 1726 | for (; exp.More(); exp.Next()) { |
1727 | const TopoDS_Face& F = TopoDS::Face(exp.Current()); | |
1728 | S = BRep_Tool::Surface(F, l); | |
1729 | if (!S.IsNull()) { | |
1730 | if (S->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) { | |
a86d3ec0 | 1731 | S = (*((Handle(Geom_RectangularTrimmedSurface)*)&S))->BasisSurface(); |
7fd59977 | 1732 | } |
1733 | GeomAdaptor_Surface AS(S); | |
1734 | switch (AS.GetType()) { | |
1735 | case GeomAbs_Plane: | |
a86d3ec0 | 1736 | { |
1737 | LPlan.Append(F); | |
1738 | break; | |
1739 | } | |
7fd59977 | 1740 | case GeomAbs_Cylinder: |
a86d3ec0 | 1741 | { |
1742 | LCyl.Append(F); | |
1743 | break; | |
1744 | } | |
7fd59977 | 1745 | case GeomAbs_Cone: |
a86d3ec0 | 1746 | { |
1747 | LCon.Append(F); | |
1748 | break; | |
1749 | } | |
7fd59977 | 1750 | case GeomAbs_Sphere: |
a86d3ec0 | 1751 | { |
1752 | LSphere.Append(F); | |
1753 | break; | |
1754 | } | |
7fd59977 | 1755 | case GeomAbs_Torus: |
a86d3ec0 | 1756 | { |
1757 | LTor.Append(F); | |
1758 | break; | |
1759 | } | |
7fd59977 | 1760 | default: |
a86d3ec0 | 1761 | LOther.Append(F); |
7fd59977 | 1762 | } |
1763 | } | |
1764 | else LTri.Append(F); | |
1765 | } | |
1766 | LF.Append(LTri); LF.Append(LOther); LF.Append(LTor ); LF.Append(LSphere); | |
1767 | LF.Append(LCon); LF.Append(LCyl ); LF.Append(LPlan); | |
7fd59977 | 1768 | |
a86d3ec0 | 1769 | } |
7fd59977 | 1770 |