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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 | ||
7693827d | 85 | #include <Poly_Triangulation.hxx> |
86 | #include <TShort_HArray1OfShortReal.hxx> | |
87 | #include <GeomLProp_SLProps.hxx> | |
88 | #include <Poly_PolygonOnTriangulation.hxx> | |
7fd59977 | 89 | |
41194117 | 90 | // TODO - not thread-safe static variables |
7fd59977 | 91 | static Standard_Real thePrecision = Precision::Confusion(); |
92 | static Handle(Geom_Plane) thePlane; | |
93 | ||
94 | //======================================================================= | |
95 | //function : Precision | |
96 | //purpose : | |
97 | //======================================================================= | |
98 | ||
99 | void BRepLib::Precision(const Standard_Real P) | |
100 | { | |
101 | thePrecision = P; | |
102 | } | |
103 | ||
104 | //======================================================================= | |
105 | //function : Precision | |
106 | //purpose : | |
107 | //======================================================================= | |
108 | ||
109 | Standard_Real BRepLib::Precision() | |
110 | { | |
111 | return thePrecision; | |
112 | } | |
113 | ||
114 | //======================================================================= | |
115 | //function : Plane | |
116 | //purpose : | |
117 | //======================================================================= | |
118 | ||
119 | void BRepLib::Plane(const Handle(Geom_Plane)& P) | |
120 | { | |
121 | thePlane = P; | |
122 | } | |
123 | ||
124 | ||
125 | //======================================================================= | |
126 | //function : Plane | |
127 | //purpose : | |
128 | //======================================================================= | |
129 | ||
130 | const Handle(Geom_Plane)& BRepLib::Plane() | |
131 | { | |
132 | if (thePlane.IsNull()) thePlane = new Geom_Plane(gp::XOY()); | |
133 | return thePlane; | |
134 | } | |
135 | //======================================================================= | |
136 | //function : CheckSameRange | |
137 | //purpose : | |
138 | //======================================================================= | |
139 | ||
140 | Standard_Boolean BRepLib::CheckSameRange(const TopoDS_Edge& AnEdge, | |
a86d3ec0 | 141 | const Standard_Real Tolerance) |
7fd59977 | 142 | { |
143 | Standard_Boolean IsSameRange = Standard_True, | |
a86d3ec0 | 144 | first_time_in = Standard_True ; |
7fd59977 | 145 | |
146 | BRep_ListIteratorOfListOfCurveRepresentation an_Iterator | |
147 | ((*((Handle(BRep_TEdge)*)&AnEdge.TShape()))->ChangeCurves()); | |
a86d3ec0 | 148 | |
7fd59977 | 149 | Standard_Real first, last; |
7fd59977 | 150 | Standard_Real current_first =0., current_last =0. ; |
7fd59977 | 151 | Handle(BRep_GCurve) geometric_representation_ptr ; |
152 | ||
153 | while (IsSameRange && an_Iterator.More()) { | |
154 | geometric_representation_ptr = | |
155 | Handle(BRep_GCurve)::DownCast(an_Iterator.Value()); | |
156 | if (!geometric_representation_ptr.IsNull()) { | |
a86d3ec0 | 157 | |
158 | first = geometric_representation_ptr->First(); | |
159 | last = geometric_representation_ptr->Last(); | |
160 | if (first_time_in ) { | |
161 | current_first = first ; | |
162 | current_last = last ; | |
163 | first_time_in = Standard_False ; | |
7fd59977 | 164 | } |
a86d3ec0 | 165 | else { |
166 | IsSameRange = (Abs(current_first - first) <= Tolerance) | |
167 | && (Abs(current_last -last) <= Tolerance ) ; | |
168 | } | |
169 | } | |
7fd59977 | 170 | an_Iterator.Next() ; |
171 | } | |
172 | return IsSameRange ; | |
173 | } | |
a86d3ec0 | 174 | |
7fd59977 | 175 | //======================================================================= |
176 | //function : SameRange | |
177 | //purpose : | |
178 | //======================================================================= | |
179 | ||
180 | void BRepLib::SameRange(const TopoDS_Edge& AnEdge, | |
a86d3ec0 | 181 | const Standard_Real Tolerance) |
7fd59977 | 182 | { |
183 | BRep_ListIteratorOfListOfCurveRepresentation an_Iterator | |
184 | ((*((Handle(BRep_TEdge)*)&AnEdge.TShape()))->ChangeCurves()); | |
a86d3ec0 | 185 | |
7fd59977 | 186 | Handle(Geom2d_Curve) Curve2dPtr, Curve2dPtr2, NewCurve2dPtr, NewCurve2dPtr2; |
187 | TopLoc_Location LocalLoc ; | |
188 | ||
189 | Standard_Boolean first_time_in = Standard_True, | |
a86d3ec0 | 190 | has_curve, |
191 | has_closed_curve ; | |
7fd59977 | 192 | Handle(BRep_GCurve) geometric_representation_ptr ; |
193 | Standard_Real first, | |
a86d3ec0 | 194 | current_first, |
195 | last, | |
196 | current_last ; | |
7fd59977 | 197 | |
198 | const Handle(Geom_Curve) C = BRep_Tool::Curve(AnEdge, | |
a86d3ec0 | 199 | LocalLoc, |
200 | current_first, | |
201 | current_last); | |
7fd59977 | 202 | if (!C.IsNull()) { |
203 | first_time_in = Standard_False ; | |
204 | } | |
a86d3ec0 | 205 | |
7fd59977 | 206 | while (an_Iterator.More()) { |
207 | geometric_representation_ptr = | |
208 | Handle(BRep_GCurve)::DownCast(an_Iterator.Value()); | |
209 | if (! geometric_representation_ptr.IsNull()) { | |
210 | has_closed_curve = | |
a86d3ec0 | 211 | has_curve = Standard_False ; |
7fd59977 | 212 | first = geometric_representation_ptr->First(); |
213 | last = geometric_representation_ptr->Last(); | |
214 | if (geometric_representation_ptr->IsCurveOnSurface()) { | |
a86d3ec0 | 215 | Curve2dPtr = geometric_representation_ptr->PCurve() ; |
216 | has_curve = Standard_True ; | |
7fd59977 | 217 | } |
218 | if (geometric_representation_ptr->IsCurveOnClosedSurface()) { | |
a86d3ec0 | 219 | Curve2dPtr2 = geometric_representation_ptr->PCurve2() ; |
220 | has_closed_curve = Standard_True ; | |
7fd59977 | 221 | } |
222 | if (has_curve || has_closed_curve) { | |
a86d3ec0 | 223 | if (first_time_in) { |
224 | current_first = first ; | |
225 | current_last = last ; | |
226 | first_time_in = Standard_False ; | |
7fd59977 | 227 | } |
a86d3ec0 | 228 | |
7fd59977 | 229 | if (Abs(first - current_first) > Precision::Confusion() || |
a86d3ec0 | 230 | Abs(last - current_last) > Precision::Confusion() ) |
231 | { | |
232 | if (has_curve) | |
233 | { | |
234 | GeomLib::SameRange(Tolerance, | |
235 | Curve2dPtr, | |
236 | geometric_representation_ptr->First(), | |
237 | geometric_representation_ptr->Last(), | |
238 | current_first, | |
239 | current_last, | |
240 | NewCurve2dPtr); | |
241 | geometric_representation_ptr->PCurve(NewCurve2dPtr) ; | |
242 | } | |
243 | if (has_closed_curve) | |
244 | { | |
245 | GeomLib::SameRange(Tolerance, | |
246 | Curve2dPtr2, | |
247 | geometric_representation_ptr->First(), | |
248 | geometric_representation_ptr->Last(), | |
249 | current_first, | |
250 | current_last, | |
251 | NewCurve2dPtr2); | |
252 | geometric_representation_ptr->PCurve2(NewCurve2dPtr2) ; | |
253 | } | |
254 | } | |
7fd59977 | 255 | } |
256 | } | |
257 | an_Iterator.Next() ; | |
258 | } | |
259 | BRep_Builder B; | |
260 | B.Range(TopoDS::Edge(AnEdge), | |
a86d3ec0 | 261 | current_first, |
262 | current_last) ; | |
7fd59977 | 263 | |
264 | B.SameRange(AnEdge, | |
a86d3ec0 | 265 | Standard_True) ; |
7fd59977 | 266 | } |
267 | ||
268 | //======================================================================= | |
269 | //function : EvaluateMaxSegment | |
270 | //purpose : return MaxSegment to pass in approximation, if MaxSegment==0 provided | |
271 | //======================================================================= | |
272 | ||
273 | static Standard_Integer evaluateMaxSegment(const Standard_Integer aMaxSegment, | |
a86d3ec0 | 274 | const Adaptor3d_CurveOnSurface& aCurveOnSurface) |
7fd59977 | 275 | { |
276 | if (aMaxSegment != 0) return aMaxSegment; | |
277 | ||
278 | Handle(Adaptor3d_HSurface) aSurf = aCurveOnSurface.GetSurface(); | |
279 | Handle(Adaptor2d_HCurve2d) aCurv2d = aCurveOnSurface.GetCurve(); | |
280 | ||
281 | Standard_Real aNbSKnots = 0, aNbC2dKnots = 0; | |
a86d3ec0 | 282 | |
7fd59977 | 283 | if (aSurf->GetType() == GeomAbs_BSplineSurface) { |
284 | Handle(Geom_BSplineSurface) aBSpline = aSurf->BSpline(); | |
285 | aNbSKnots = Max(aBSpline->NbUKnots(), aBSpline->NbVKnots()); | |
286 | } | |
287 | if (aCurv2d->GetType() == GeomAbs_BSplineCurve) { | |
288 | aNbC2dKnots = aCurv2d->NbKnots(); | |
289 | } | |
290 | Standard_Integer aReturn = (Standard_Integer) ( 30 + Max(aNbSKnots, aNbC2dKnots) ) ; | |
291 | return aReturn; | |
292 | } | |
293 | ||
294 | //======================================================================= | |
295 | //function : BuildCurve3d | |
296 | //purpose : | |
297 | //======================================================================= | |
298 | ||
299 | Standard_Boolean BRepLib::BuildCurve3d(const TopoDS_Edge& AnEdge, | |
a86d3ec0 | 300 | const Standard_Real Tolerance, |
301 | const GeomAbs_Shape Continuity, | |
302 | const Standard_Integer MaxDegree, | |
303 | const Standard_Integer MaxSegment) | |
7fd59977 | 304 | { |
305 | Standard_Integer //ErrorCode, | |
a86d3ec0 | 306 | // ReturnCode = 0, |
307 | ii, | |
308 | // num_knots, | |
309 | jj; | |
7fd59977 | 310 | |
311 | TopLoc_Location LocalLoc,L[2],LC; | |
312 | Standard_Real f,l,fc,lc, first[2], last[2], | |
a86d3ec0 | 313 | tolerance, |
314 | max_deviation, | |
315 | average_deviation ; | |
7fd59977 | 316 | Handle(Geom2d_Curve) Curve2dPtr, Curve2dArray[2] ; |
317 | Handle(Geom_Surface) SurfacePtr, SurfaceArray[2] ; | |
318 | ||
319 | Standard_Integer not_done ; | |
320 | // if the edge has a 3d curve returns true | |
321 | ||
322 | ||
323 | const Handle(Geom_Curve) C = BRep_Tool::Curve(AnEdge,LocalLoc,f,l); | |
324 | if (!C.IsNull()) | |
325 | return Standard_True; | |
a86d3ec0 | 326 | // |
327 | // this should not exists but UpdateEdge makes funny things | |
328 | // if the edge is not same range | |
329 | // | |
7fd59977 | 330 | if (! CheckSameRange(AnEdge, |
a86d3ec0 | 331 | Precision::Confusion())) { |
332 | SameRange(AnEdge, | |
333 | Tolerance) ; | |
7fd59977 | 334 | } |
335 | ||
a86d3ec0 | 336 | |
7fd59977 | 337 | |
338 | // search a curve on a plane | |
339 | Handle(Geom_Surface) S; | |
340 | Handle(Geom2d_Curve) PC; | |
341 | Standard_Integer i = 0; | |
342 | Handle(Geom_Plane) P; | |
343 | not_done = 1 ; | |
344 | ||
345 | while (not_done) { | |
346 | i++; | |
347 | BRep_Tool::CurveOnSurface(AnEdge,PC,S,LocalLoc,f,l,i); | |
348 | Handle(Geom_RectangularTrimmedSurface) RT = | |
349 | Handle(Geom_RectangularTrimmedSurface)::DownCast(S); | |
350 | if ( RT.IsNull()) { | |
351 | P = Handle(Geom_Plane)::DownCast(S); | |
352 | } | |
353 | else { | |
354 | P = Handle(Geom_Plane)::DownCast(RT->BasisSurface()); | |
355 | } | |
356 | not_done = ! (S.IsNull() || !P.IsNull()) ; | |
357 | } | |
358 | if (! P.IsNull()) { | |
359 | // compute the 3d curve | |
360 | gp_Ax2 axes = P->Position().Ax2(); | |
361 | Handle(Geom_Curve) C3d = GeomLib::To3d(axes,PC); | |
dfc06d1f A |
362 | if (C3d.IsNull()) |
363 | return Standard_False; | |
7fd59977 | 364 | // update the edge |
365 | Standard_Real First, Last; | |
366 | ||
367 | BRep_Builder B; | |
7fd59977 | 368 | B.UpdateEdge(AnEdge,C3d,LocalLoc,0.0e0); |
369 | BRep_Tool::Range(AnEdge, S, LC, First, Last); | |
0d969553 | 370 | B.Range(AnEdge, First, Last); //Do not forget 3D range.(PRO6412) |
7fd59977 | 371 | } |
372 | else { | |
373 | // | |
374 | // compute the 3d curve using existing surface | |
375 | // | |
376 | fc = f ; | |
377 | lc = l ; | |
378 | if (!BRep_Tool::Degenerated(AnEdge)) { | |
379 | jj = 0 ; | |
380 | for (ii = 0 ; ii < 3 ; ii++ ) { | |
a86d3ec0 | 381 | BRep_Tool::CurveOnSurface(TopoDS::Edge(AnEdge), |
382 | Curve2dPtr, | |
383 | SurfacePtr, | |
384 | LocalLoc, | |
385 | fc, | |
386 | lc, | |
387 | ii) ; | |
388 | ||
389 | if (!Curve2dPtr.IsNull() && jj < 2){ | |
390 | Curve2dArray[jj] = Curve2dPtr ; | |
391 | SurfaceArray[jj] = SurfacePtr ; | |
392 | L[jj] = LocalLoc ; | |
393 | first[jj] = fc ; | |
394 | last[jj] = lc ; | |
395 | jj += 1 ; | |
396 | } | |
7fd59977 | 397 | } |
398 | f = first[0] ; | |
399 | l = last[0] ; | |
400 | Curve2dPtr = Curve2dArray[0] ; | |
401 | SurfacePtr = SurfaceArray[0] ; | |
a86d3ec0 | 402 | |
7fd59977 | 403 | Geom2dAdaptor_Curve AnAdaptor3dCurve2d (Curve2dPtr, f, l) ; |
404 | GeomAdaptor_Surface AnAdaptor3dSurface (SurfacePtr) ; | |
405 | Handle(Geom2dAdaptor_HCurve) AnAdaptor3dCurve2dPtr = | |
a86d3ec0 | 406 | new Geom2dAdaptor_HCurve(AnAdaptor3dCurve2d) ; |
7fd59977 | 407 | Handle(GeomAdaptor_HSurface) AnAdaptor3dSurfacePtr = |
a86d3ec0 | 408 | new GeomAdaptor_HSurface (AnAdaptor3dSurface) ; |
7fd59977 | 409 | Adaptor3d_CurveOnSurface CurveOnSurface( AnAdaptor3dCurve2dPtr, |
a86d3ec0 | 410 | AnAdaptor3dSurfacePtr) ; |
411 | ||
7fd59977 | 412 | Handle(Geom_Curve) NewCurvePtr ; |
413 | ||
414 | GeomLib::BuildCurve3d(Tolerance, | |
a86d3ec0 | 415 | CurveOnSurface, |
416 | f, | |
417 | l, | |
418 | NewCurvePtr, | |
419 | max_deviation, | |
420 | average_deviation, | |
421 | Continuity, | |
422 | MaxDegree, | |
423 | evaluateMaxSegment(MaxSegment,CurveOnSurface)) ; | |
7fd59977 | 424 | BRep_Builder B; |
425 | tolerance = BRep_Tool::Tolerance(AnEdge) ; | |
426 | //Patch | |
427 | //max_deviation = Max(tolerance, max_deviation) ; | |
428 | max_deviation = Max( tolerance, Tolerance ); | |
dfc06d1f A |
429 | if (NewCurvePtr.IsNull()) |
430 | return Standard_False; | |
7fd59977 | 431 | B.UpdateEdge(TopoDS::Edge(AnEdge), |
a86d3ec0 | 432 | NewCurvePtr, |
433 | L[0], | |
434 | max_deviation) ; | |
7fd59977 | 435 | if (jj == 1 ) { |
a86d3ec0 | 436 | // |
437 | // if there is only one curve on surface attached to the edge | |
438 | // than it can be qualified sameparameter | |
439 | // | |
440 | B.SameParameter(TopoDS::Edge(AnEdge), | |
441 | Standard_True) ; | |
7fd59977 | 442 | } |
443 | } | |
444 | else { | |
445 | return Standard_False ; | |
446 | } | |
a86d3ec0 | 447 | |
7fd59977 | 448 | } |
449 | return Standard_True; | |
450 | } | |
451 | //======================================================================= | |
452 | //function : BuildCurves3d | |
453 | //purpose : | |
454 | //======================================================================= | |
455 | ||
456 | Standard_Boolean BRepLib::BuildCurves3d(const TopoDS_Shape& S) | |
457 | ||
458 | { | |
459 | return BRepLib::BuildCurves3d(S, | |
a86d3ec0 | 460 | 1.0e-5) ; |
7fd59977 | 461 | } |
462 | ||
463 | //======================================================================= | |
464 | //function : BuildCurves3d | |
465 | //purpose : | |
466 | //======================================================================= | |
467 | ||
468 | Standard_Boolean BRepLib::BuildCurves3d(const TopoDS_Shape& S, | |
a86d3ec0 | 469 | const Standard_Real Tolerance, |
470 | const GeomAbs_Shape Continuity, | |
471 | const Standard_Integer MaxDegree, | |
472 | const Standard_Integer MaxSegment) | |
7fd59977 | 473 | { |
474 | Standard_Boolean boolean_value, | |
a86d3ec0 | 475 | ok = Standard_True; |
7fd59977 | 476 | TopTools_MapOfShape a_counter ; |
477 | TopExp_Explorer ex(S,TopAbs_EDGE); | |
478 | ||
479 | while (ex.More()) { | |
480 | if (a_counter.Add(ex.Current())) { | |
481 | boolean_value = | |
a86d3ec0 | 482 | BuildCurve3d(TopoDS::Edge(ex.Current()), |
483 | Tolerance, Continuity, | |
484 | MaxDegree, MaxSegment); | |
7fd59977 | 485 | ok = ok && boolean_value ; |
486 | } | |
487 | ex.Next(); | |
488 | } | |
489 | return ok; | |
490 | } | |
491 | //======================================================================= | |
492 | //function : UpdateEdgeTolerance | |
493 | //purpose : | |
494 | //======================================================================= | |
495 | ||
496 | Standard_Boolean BRepLib::UpdateEdgeTol(const TopoDS_Edge& AnEdge, | |
a86d3ec0 | 497 | const Standard_Real MinToleranceRequested, |
498 | const Standard_Real MaxToleranceToCheck) | |
499 | { | |
500 | ||
501 | Standard_Integer curve_on_surface_index, | |
502 | curve_index, | |
503 | not_done, | |
504 | has_closed_curve, | |
505 | has_curve, | |
506 | jj, | |
507 | ii, | |
508 | geom_reference_curve_flag = 0, | |
509 | max_sampling_points = 90, | |
510 | min_sampling_points = 30 ; | |
511 | ||
512 | Standard_Real factor = 100.0e0, | |
513 | // sampling_array[2], | |
514 | safe_factor = 1.4e0, | |
515 | current_last, | |
516 | current_first, | |
517 | max_distance, | |
518 | coded_edge_tolerance, | |
519 | edge_tolerance = 0.0e0 ; | |
520 | Handle(TColStd_HArray1OfReal) parameters_ptr ; | |
521 | Handle(BRep_GCurve) geometric_representation_ptr ; | |
522 | ||
523 | if (BRep_Tool::Degenerated(AnEdge)) return Standard_False ; | |
524 | coded_edge_tolerance = BRep_Tool::Tolerance(AnEdge) ; | |
525 | if (coded_edge_tolerance > MaxToleranceToCheck) return Standard_False ; | |
526 | ||
527 | const Handle(BRep_TEdge)& TE = *((Handle(BRep_TEdge)*)&AnEdge.TShape()); | |
528 | BRep_ListOfCurveRepresentation& list_curve_rep = TE->ChangeCurves() ; | |
529 | BRep_ListIteratorOfListOfCurveRepresentation an_iterator(list_curve_rep), | |
530 | second_iterator(list_curve_rep) ; | |
531 | Handle(Geom2d_Curve) curve2d_ptr, new_curve2d_ptr; | |
532 | Handle(Geom_Surface) surface_ptr ; | |
533 | TopLoc_Location local_location ; | |
534 | GCPnts_QuasiUniformDeflection a_sampler ; | |
535 | GeomAdaptor_Curve geom_reference_curve ; | |
536 | Adaptor3d_CurveOnSurface curve_on_surface_reference ; | |
537 | Handle(Geom_Curve) C = BRep_Tool::Curve(AnEdge, | |
538 | local_location, | |
539 | current_first, | |
540 | current_last); | |
541 | curve_on_surface_index = -1 ; | |
542 | if (!C.IsNull()) { | |
543 | if (! local_location.IsIdentity()) { | |
544 | C = Handle(Geom_Curve):: | |
545 | DownCast(C-> Transformed(local_location.Transformation()) ) ; | |
7fd59977 | 546 | } |
a86d3ec0 | 547 | geom_reference_curve.Load(C) ; |
548 | geom_reference_curve_flag = 1 ; | |
549 | a_sampler.Initialize(geom_reference_curve, | |
550 | MinToleranceRequested * factor, | |
551 | current_first, | |
552 | current_last) ; | |
553 | } | |
554 | else { | |
555 | not_done = 1 ; | |
556 | curve_on_surface_index = 0 ; | |
557 | ||
558 | while (not_done && an_iterator.More()) { | |
559 | geometric_representation_ptr = | |
560 | Handle(BRep_GCurve)::DownCast(second_iterator.Value()); | |
561 | if (!geometric_representation_ptr.IsNull() | |
562 | && geometric_representation_ptr->IsCurveOnSurface()) { | |
563 | curve2d_ptr = geometric_representation_ptr->PCurve() ; | |
564 | local_location = geometric_representation_ptr->Location() ; | |
565 | current_first = geometric_representation_ptr->First(); | |
566 | //first = geometric_representation_ptr->First(); | |
567 | current_last = geometric_representation_ptr->Last(); | |
568 | // must be inverted | |
569 | // | |
570 | if (! local_location.IsIdentity() ) { | |
571 | surface_ptr = Handle(Geom_Surface):: | |
572 | DownCast( geometric_representation_ptr->Surface()-> | |
573 | Transformed(local_location.Transformation()) ) ; | |
574 | } | |
575 | else { | |
576 | surface_ptr = | |
577 | geometric_representation_ptr->Surface() ; | |
578 | } | |
579 | not_done = 0 ; | |
7fd59977 | 580 | } |
a86d3ec0 | 581 | curve_on_surface_index += 1 ; |
7fd59977 | 582 | } |
a86d3ec0 | 583 | Geom2dAdaptor_Curve AnAdaptor3dCurve2d (curve2d_ptr) ; |
584 | GeomAdaptor_Surface AnAdaptor3dSurface (surface_ptr) ; | |
585 | Handle(Geom2dAdaptor_HCurve) AnAdaptor3dCurve2dPtr = | |
586 | new Geom2dAdaptor_HCurve(AnAdaptor3dCurve2d) ; | |
587 | Handle(GeomAdaptor_HSurface) AnAdaptor3dSurfacePtr = | |
588 | new GeomAdaptor_HSurface (AnAdaptor3dSurface) ; | |
589 | curve_on_surface_reference.Load( AnAdaptor3dCurve2dPtr) ; | |
590 | curve_on_surface_reference.Load( AnAdaptor3dSurfacePtr) ; | |
591 | a_sampler.Initialize(curve_on_surface_reference, | |
592 | MinToleranceRequested * factor, | |
593 | current_first, | |
594 | current_last) ; | |
595 | } | |
596 | TColStd_Array1OfReal sampling_parameters(1,a_sampler.NbPoints()) ; | |
597 | for (ii = 1 ; ii <= a_sampler.NbPoints() ; ii++) { | |
598 | sampling_parameters(ii) = a_sampler.Parameter(ii) ; | |
599 | } | |
600 | if (a_sampler.NbPoints() < min_sampling_points) { | |
601 | GeomLib::DensifyArray1OfReal(min_sampling_points, | |
602 | sampling_parameters, | |
603 | parameters_ptr) ; | |
604 | } | |
605 | else if (a_sampler.NbPoints() > max_sampling_points) { | |
606 | GeomLib::RemovePointsFromArray(max_sampling_points, | |
607 | sampling_parameters, | |
608 | parameters_ptr) ; | |
609 | } | |
610 | else { | |
611 | jj = 1 ; | |
612 | parameters_ptr = | |
613 | new TColStd_HArray1OfReal(1,sampling_parameters.Length()) ; | |
614 | for (ii = sampling_parameters.Lower() ; ii <= sampling_parameters.Upper() ; ii++) { | |
615 | parameters_ptr->ChangeArray1()(jj) = | |
616 | sampling_parameters(ii) ; | |
617 | jj +=1 ; | |
7fd59977 | 618 | } |
a86d3ec0 | 619 | } |
620 | ||
621 | curve_index = 0 ; | |
622 | ||
623 | while (second_iterator.More()) { | |
624 | geometric_representation_ptr = | |
625 | Handle(BRep_GCurve)::DownCast(second_iterator.Value()); | |
626 | if (! geometric_representation_ptr.IsNull() && | |
627 | curve_index != curve_on_surface_index) { | |
628 | has_closed_curve = | |
629 | has_curve = Standard_False ; | |
630 | // first = geometric_representation_ptr->First(); | |
631 | // last = geometric_representation_ptr->Last(); | |
632 | local_location = geometric_representation_ptr->Location() ; | |
633 | if (geometric_representation_ptr->IsCurveOnSurface()) { | |
634 | curve2d_ptr = geometric_representation_ptr->PCurve() ; | |
635 | has_curve = Standard_True ; | |
636 | } | |
637 | if (geometric_representation_ptr->IsCurveOnClosedSurface()) { | |
638 | curve2d_ptr = geometric_representation_ptr->PCurve2() ; | |
639 | has_closed_curve = Standard_True ; | |
640 | } | |
641 | ||
642 | if (has_curve || | |
643 | has_closed_curve) { | |
644 | if (! local_location.IsIdentity() ) { | |
645 | surface_ptr = Handle(Geom_Surface):: | |
646 | DownCast( geometric_representation_ptr->Surface()-> | |
647 | Transformed(local_location.Transformation()) ) ; | |
648 | } | |
649 | else { | |
650 | surface_ptr = | |
651 | geometric_representation_ptr->Surface() ; | |
652 | } | |
653 | Geom2dAdaptor_Curve an_adaptor_curve2d (curve2d_ptr) ; | |
654 | GeomAdaptor_Surface an_adaptor_surface(surface_ptr) ; | |
655 | Handle(Geom2dAdaptor_HCurve) an_adaptor_curve2d_ptr = | |
656 | new Geom2dAdaptor_HCurve(an_adaptor_curve2d) ; | |
657 | Handle(GeomAdaptor_HSurface) an_adaptor_surface_ptr = | |
658 | new GeomAdaptor_HSurface (an_adaptor_surface) ; | |
659 | Adaptor3d_CurveOnSurface a_curve_on_surface(an_adaptor_curve2d_ptr, | |
660 | an_adaptor_surface_ptr) ; | |
661 | ||
662 | if (BRep_Tool::SameParameter(AnEdge)) { | |
663 | ||
664 | GeomLib::EvalMaxParametricDistance(a_curve_on_surface, | |
665 | geom_reference_curve, | |
666 | MinToleranceRequested, | |
667 | parameters_ptr->Array1(), | |
668 | max_distance) ; | |
669 | } | |
670 | else if (geom_reference_curve_flag) { | |
671 | GeomLib::EvalMaxDistanceAlongParameter(a_curve_on_surface, | |
672 | geom_reference_curve, | |
673 | MinToleranceRequested, | |
674 | parameters_ptr->Array1(), | |
675 | max_distance) ; | |
676 | } | |
677 | else { | |
678 | ||
679 | GeomLib::EvalMaxDistanceAlongParameter(a_curve_on_surface, | |
680 | curve_on_surface_reference, | |
681 | MinToleranceRequested, | |
682 | parameters_ptr->Array1(), | |
683 | max_distance) ; | |
684 | } | |
685 | max_distance *= safe_factor ; | |
686 | edge_tolerance = Max(max_distance, edge_tolerance) ; | |
687 | } | |
7fd59977 | 688 | |
7fd59977 | 689 | |
7fd59977 | 690 | } |
a86d3ec0 | 691 | curve_index += 1 ; |
692 | second_iterator.Next() ; | |
7fd59977 | 693 | } |
a86d3ec0 | 694 | |
695 | TE->Tolerance(edge_tolerance); | |
696 | return Standard_True ; | |
697 | ||
698 | } | |
7fd59977 | 699 | //======================================================================= |
700 | //function : UpdateEdgeTolerance | |
701 | //purpose : | |
702 | //======================================================================= | |
703 | ||
704 | Standard_Boolean BRepLib::UpdateEdgeTolerance(const TopoDS_Shape& S, | |
a86d3ec0 | 705 | const Standard_Real MinToleranceRequested, |
706 | const Standard_Real MaxToleranceToCheck) | |
7fd59977 | 707 | { |
708 | TopExp_Explorer ex(S,TopAbs_EDGE); | |
709 | TopTools_MapOfShape a_counter ; | |
710 | ||
711 | Standard_Boolean return_status = Standard_False, | |
712 | local_flag ; | |
713 | ||
714 | while (ex.More()) { | |
715 | if (a_counter.Add(ex.Current())) { | |
716 | local_flag = | |
a86d3ec0 | 717 | BRepLib::UpdateEdgeTol(TopoDS::Edge(ex.Current()), |
718 | MinToleranceRequested, | |
719 | MaxToleranceToCheck) ; | |
7fd59977 | 720 | if (local_flag && ! return_status) { |
a86d3ec0 | 721 | return_status = Standard_True ; |
7fd59977 | 722 | } |
723 | } | |
724 | ex.Next(); | |
725 | } | |
726 | return return_status ; | |
727 | } | |
728 | ||
729 | //======================================================================= | |
730 | //function : SetEdgeTol | |
731 | //purpose : | |
732 | //======================================================================= | |
733 | ||
734 | static void SetEdgeTol(const TopoDS_Edge& E, | |
a86d3ec0 | 735 | const TopoDS_Face& F) |
7fd59977 | 736 | { |
737 | TopLoc_Location L; | |
738 | const Handle(Geom_Surface)& S = BRep_Tool::Surface(F,L); | |
739 | TopLoc_Location l = L.Predivided(E.Location()); | |
740 | ||
741 | const Handle(BRep_TEdge)& TE = *((Handle(BRep_TEdge)*)&E.TShape()); | |
742 | BRep_ListIteratorOfListOfCurveRepresentation itcr(TE->ChangeCurves()); | |
743 | ||
744 | while (itcr.More()) { | |
745 | const Handle(BRep_CurveRepresentation)& cr = itcr.Value(); | |
746 | if(cr->IsCurveOnSurface(S,l)) return; | |
747 | itcr.Next(); | |
748 | } | |
749 | ||
750 | Handle(Geom_Plane) GP; | |
751 | Handle(Geom_RectangularTrimmedSurface) GRTS; | |
752 | GRTS = Handle(Geom_RectangularTrimmedSurface)::DownCast(S); | |
753 | if(!GRTS.IsNull()) | |
754 | GP = Handle(Geom_Plane)::DownCast(GRTS->BasisSurface()); | |
755 | else | |
756 | GP = Handle(Geom_Plane)::DownCast(S); | |
757 | ||
41194117 K |
758 | Handle(GeomAdaptor_HCurve) HC = new GeomAdaptor_HCurve(); |
759 | Handle(GeomAdaptor_HSurface) HS = new GeomAdaptor_HSurface(); | |
a86d3ec0 | 760 | |
7fd59977 | 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( | |
a86d3ec0 | 769 | GP->Transformed(LC.Transformation())); |
7fd59977 | 770 | } |
771 | GeomAdaptor_Surface& GAS = HS->ChangeSurface(); | |
772 | GAS.Load(GP); | |
a86d3ec0 | 773 | |
7fd59977 | 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); | |
873c119f | 787 | Standard_Real eps = Max(Pc3d.XYZ().SquareModulus(), Pcons.XYZ().SquareModulus()); |
788 | eps = Epsilon(eps); | |
7fd59977 | 789 | Standard_Real temp = Pc3d.SquareDistance(Pcons); |
873c119f | 790 | if(temp <= eps) |
791 | { | |
792 | temp = 0.; | |
793 | } | |
7fd59977 | 794 | if(temp > d2) d2 = temp; |
795 | } | |
796 | d2 = 1.5*sqrt(d2); | |
797 | TE->UpdateTolerance(d2); | |
798 | } | |
799 | ||
800 | //======================================================================= | |
801 | //function : SameParameter | |
802 | //purpose : | |
803 | //======================================================================= | |
804 | void BRepLib::SameParameter(const TopoDS_Shape& S, | |
a86d3ec0 | 805 | const Standard_Real Tolerance, |
806 | const Standard_Boolean forced) | |
7fd59977 | 807 | { |
808 | TopExp_Explorer ex(S,TopAbs_EDGE); | |
809 | TopTools_MapOfShape Done; | |
810 | BRep_Builder brB; | |
811 | ||
812 | while (ex.More()) { | |
813 | if (Done.Add(ex.Current())) { | |
814 | if (forced) { | |
a86d3ec0 | 815 | brB.SameRange(TopoDS::Edge(ex.Current()), Standard_False); |
816 | brB.SameParameter(TopoDS::Edge(ex.Current()), Standard_False); | |
7fd59977 | 817 | } |
818 | BRepLib::SameParameter(TopoDS::Edge(ex.Current()),Tolerance); | |
819 | } | |
820 | ex.Next(); | |
821 | } | |
822 | ||
823 | Done.Clear(); | |
824 | BRepAdaptor_Surface BS; | |
825 | for(ex.Init(S,TopAbs_FACE); ex.More(); ex.Next()){ | |
826 | const TopoDS_Face& curface = TopoDS::Face(ex.Current()); | |
827 | if(!Done.Add(curface)) continue; | |
828 | BS.Initialize(curface); | |
829 | if(BS.GetType() != GeomAbs_Plane) continue; | |
830 | TopExp_Explorer ex2; | |
831 | for(ex2.Init(curface,TopAbs_EDGE); ex2.More(); ex2.Next()){ | |
832 | const TopoDS_Edge& E = TopoDS::Edge(ex2.Current()); | |
833 | SetEdgeTol(E,curface); | |
834 | } | |
835 | } | |
836 | BRepLib::UpdateTolerances(S); | |
837 | } | |
838 | ||
0d969553 | 839 | //================================================================ |
7fd59977 | 840 | //function : SameParameter |
0d969553 Y |
841 | //WARNING : New spec DUB LBO 9/9/97. |
842 | // Recode in the edge the best tolerance found, | |
843 | // for vertex extremities it is required to find something else | |
844 | //================================================================ | |
7fd59977 | 845 | static Standard_Boolean EvalTol(const Handle(Geom2d_Curve)& pc, |
a86d3ec0 | 846 | const Handle(Geom_Surface)& s, |
847 | const GeomAdaptor_Curve& gac, | |
848 | const Standard_Real tol, | |
849 | Standard_Real& tolbail) | |
7fd59977 | 850 | { |
851 | Standard_Integer ok = 0; | |
852 | Standard_Real f = gac.FirstParameter(); | |
853 | Standard_Real l = gac.LastParameter(); | |
854 | Extrema_LocateExtPC Projector; | |
855 | Projector.Initialize(gac,f,l,tol); | |
856 | Standard_Real u,v; | |
857 | gp_Pnt p; | |
858 | tolbail = tol; | |
859 | for(Standard_Integer i = 1; i <= 5; i++){ | |
860 | Standard_Real t = i/6.; | |
861 | t = (1.-t) * f + t * l; | |
862 | pc->Value(t).Coord(u,v); | |
863 | p = s->Value(u,v); | |
864 | Projector.Perform(p,t); | |
865 | if (Projector.IsDone()) { | |
866 | Standard_Real dist2 = Projector.SquareDistance(); | |
867 | if(dist2 > tolbail * tolbail) tolbail = sqrt (dist2); | |
868 | ok++; | |
869 | } | |
870 | } | |
871 | return (ok > 2); | |
872 | } | |
873 | ||
874 | static Standard_Real ComputeTol(const Handle(Adaptor3d_HCurve)& c3d, | |
a86d3ec0 | 875 | const Handle(Adaptor2d_HCurve2d)& c2d, |
876 | const Handle(Adaptor3d_HSurface)& surf, | |
877 | const Standard_Integer nbp) | |
7fd59977 | 878 | |
879 | { | |
880 | ||
881 | TColStd_Array1OfReal dist(1,nbp+10); | |
882 | dist.Init(-1.); | |
883 | ||
7fd59977 | 884 | Adaptor3d_CurveOnSurface cons(c2d,surf); |
885 | Standard_Real d2 = 0.; | |
7fd59977 | 886 | Standard_Real first = c3d->FirstParameter(); |
887 | Standard_Real last = c3d->LastParameter(); | |
888 | Standard_Integer i = 0; | |
a86d3ec0 | 889 | for(i = 0; i <= nbp; i++){ |
890 | const Standard_Real t = IntToReal(i)/IntToReal(nbp); | |
891 | const Standard_Real u = first*(1.-t) + last*t; | |
7fd59977 | 892 | gp_Pnt Pc3d = c3d->Value(u); |
893 | gp_Pnt Pcons = cons.Value(u); | |
894 | if (Precision::IsInfinite(Pcons.X()) || | |
a86d3ec0 | 895 | Precision::IsInfinite(Pcons.Y()) || |
896 | Precision::IsInfinite(Pcons.Z())) { | |
897 | d2=Precision::Infinite(); | |
898 | break; | |
7fd59977 | 899 | } |
900 | Standard_Real temp = Pc3d.SquareDistance(Pcons); | |
901 | ||
902 | ||
903 | dist(i+1) = temp; | |
904 | ||
905 | ||
906 | if(temp > d2) d2 = temp; | |
907 | } | |
908 | ||
909 | ||
910 | Standard_Boolean ana = Standard_False; | |
911 | Standard_Real D2 = 0; | |
912 | Standard_Integer N1 = 0; | |
913 | Standard_Integer N2 = 0; | |
914 | Standard_Integer N3 = 0; | |
915 | ||
916 | for( i = 1; i<= nbp+10; i++) | |
917 | if( dist(i) > 0 ) { | |
918 | if( dist(i) < 1.0 ) N1++; | |
919 | else N2++; | |
920 | } | |
921 | ||
a86d3ec0 | 922 | if( N1 > N2 && N2 != 0 ) N3 = 100*N2/(N1+N2); |
923 | if( N3 < 10 && N3 != 0 ) { | |
924 | ana = Standard_True; | |
925 | for( i = 1; i<= nbp+10; i++) | |
926 | if( dist(i) > 0 && dist(i) < 1.0 ) | |
927 | if( dist(i) > D2 ) D2 = dist(i); | |
928 | } | |
7fd59977 | 929 | |
a86d3ec0 | 930 | //d2 = 1.5*sqrt(d2); |
931 | d2 = (!ana) ? 1.5*sqrt(d2) : 1.5*sqrt(D2); | |
932 | if(d2<1.e-7) d2 = 1.e-7; | |
7fd59977 | 933 | |
a86d3ec0 | 934 | return d2; |
7fd59977 | 935 | } |
936 | ||
7fd59977 | 937 | void BRepLib::SameParameter(const TopoDS_Edge& AnEdge, |
a86d3ec0 | 938 | const Standard_Real Tolerance) |
7fd59977 | 939 | { |
940 | if (BRep_Tool::SameParameter(AnEdge)) return; | |
941 | ||
942 | const Standard_Integer NCONTROL = 22; | |
943 | ||
41194117 K |
944 | Handle(GeomAdaptor_HCurve) HC = new GeomAdaptor_HCurve(); |
945 | Handle(Geom2dAdaptor_HCurve) HC2d = new Geom2dAdaptor_HCurve(); | |
946 | Handle(GeomAdaptor_HSurface) HS = new GeomAdaptor_HSurface(); | |
7fd59977 | 947 | GeomAdaptor_Curve& GAC = HC->ChangeCurve(); |
948 | Geom2dAdaptor_Curve& GAC2d = HC2d->ChangeCurve2d(); | |
949 | GeomAdaptor_Surface& GAS = HS->ChangeSurface(); | |
7fd59977 | 950 | Standard_Real f3d =0.,l3d =0.; |
7fd59977 | 951 | TopLoc_Location L3d; |
952 | Handle(Geom_Curve) C3d; | |
953 | ||
954 | const Handle(BRep_TEdge)& TE = *((Handle(BRep_TEdge)*) &AnEdge.TShape()); | |
955 | BRep_ListOfCurveRepresentation& CList = TE->ChangeCurves(); | |
956 | BRep_ListIteratorOfListOfCurveRepresentation It(CList); | |
a86d3ec0 | 957 | |
7fd59977 | 958 | Standard_Boolean NotDone = Standard_True; |
959 | ||
960 | while (NotDone && It.More()) { | |
961 | Handle(BRep_GCurve) GCurve = Handle(BRep_GCurve)::DownCast(It.Value()); | |
962 | if (!GCurve.IsNull() && GCurve->IsCurve3D()) { | |
963 | C3d = GCurve->Curve3D() ; | |
964 | f3d = GCurve->First(); | |
965 | l3d = GCurve->Last(); | |
966 | L3d = GCurve->Location() ; | |
967 | NotDone = Standard_False; | |
968 | } | |
969 | It.Next() ; | |
970 | } | |
971 | ||
972 | if(C3d.IsNull()) return; | |
973 | ||
974 | // modified by NIZHNY-OCC486 Tue Aug 27 17:15:13 2002 : | |
975 | Standard_Boolean m_TrimmedPeriodical = Standard_False; | |
976 | Handle(Standard_Type) TheType = C3d->DynamicType(); | |
977 | if( TheType == STANDARD_TYPE(Geom_TrimmedCurve)) | |
a86d3ec0 | 978 | { |
c5f3a425 | 979 | Handle(Geom_Curve) gtC (Handle(Geom_TrimmedCurve)::DownCast (C3d)->BasisCurve()); |
a86d3ec0 | 980 | m_TrimmedPeriodical = gtC->IsPeriodic(); |
981 | } | |
7fd59977 | 982 | // modified by NIZHNY-OCC486 Tue Aug 27 17:15:17 2002 . |
983 | ||
984 | BRep_Builder B; | |
985 | if(!C3d->IsPeriodic()) { | |
986 | Standard_Real Udeb = C3d->FirstParameter(); | |
987 | Standard_Real Ufin = C3d->LastParameter(); | |
988 | // modified by NIZHNY-OCC486 Tue Aug 27 17:17:14 2002 : | |
989 | //if (Udeb > f3d) f3d = Udeb; | |
990 | //if (l3d > Ufin) l3d = Ufin; | |
991 | if(!m_TrimmedPeriodical) | |
a86d3ec0 | 992 | { |
993 | if (Udeb > f3d) f3d = Udeb; | |
994 | if (l3d > Ufin) l3d = Ufin; | |
995 | } | |
7fd59977 | 996 | // modified by NIZHNY-OCC486 Tue Aug 27 17:17:55 2002 . |
997 | } | |
998 | if(!L3d.IsIdentity()){ | |
999 | C3d = Handle(Geom_Curve)::DownCast(C3d->Transformed(L3d.Transformation())); | |
1000 | } | |
1001 | GAC.Load(C3d,f3d,l3d); | |
1002 | ||
1003 | Standard_Boolean IsSameP = 1; | |
1004 | Standard_Real maxdist = 0.; | |
1005 | ||
a86d3ec0 | 1006 | // Modified by skv - Thu Jun 3 12:39:19 2004 OCC5898 Begin |
7fd59977 | 1007 | Standard_Real anEdgeTol = BRep_Tool::Tolerance(AnEdge); |
a86d3ec0 | 1008 | // Modified by skv - Thu Jun 3 12:39:20 2004 OCC5898 End |
7fd59977 | 1009 | Standard_Boolean SameRange = BRep_Tool::SameRange(AnEdge); |
1010 | Standard_Boolean YaPCu = Standard_False; | |
1011 | It.Initialize(CList); | |
1012 | ||
1013 | while (It.More()) { | |
1014 | Standard_Boolean isANA = Standard_False; | |
1015 | Standard_Boolean isBSP = Standard_False; | |
1016 | Handle(BRep_GCurve) GCurve = Handle(BRep_GCurve)::DownCast(It.Value()); | |
1017 | Handle(Geom2d_Curve) PC[2]; | |
1018 | Handle(Geom_Surface) S; | |
1019 | if (!GCurve.IsNull() && GCurve->IsCurveOnSurface()) { | |
1020 | YaPCu = Standard_True; | |
1021 | PC[0] = GCurve->PCurve(); | |
1022 | TopLoc_Location PCLoc = GCurve->Location(); | |
1023 | S = GCurve->Surface(); | |
1024 | if (!PCLoc.IsIdentity() ) { | |
a86d3ec0 | 1025 | S = Handle(Geom_Surface)::DownCast(S->Transformed(PCLoc.Transformation())); |
7fd59977 | 1026 | } |
a86d3ec0 | 1027 | |
7fd59977 | 1028 | GAS.Load(S); |
1029 | if (GCurve->IsCurveOnClosedSurface()) { | |
a86d3ec0 | 1030 | PC[1] = GCurve->PCurve2(); |
7fd59977 | 1031 | } |
a86d3ec0 | 1032 | |
7fd59977 | 1033 | // Eval tol2d to compute SameRange |
973f1c39 | 1034 | Standard_Real UResol = Max(GAS.UResolution(Tolerance), Precision::PConfusion()); |
1035 | Standard_Real VResol = Max(GAS.VResolution(Tolerance), Precision::PConfusion()); | |
7fd59977 | 1036 | Standard_Real Tol2d = Min(UResol, VResol); |
1037 | for(Standard_Integer i = 0; i < 2; i++){ | |
a86d3ec0 | 1038 | Handle(Geom2d_Curve) curPC = PC[i]; |
1039 | Standard_Boolean updatepc = 0; | |
1040 | if(curPC.IsNull()) break; | |
1041 | if(!SameRange){ | |
1042 | GeomLib::SameRange(Tol2d, | |
1043 | PC[i],GCurve->First(),GCurve->Last(), | |
1044 | f3d,l3d,curPC); | |
1045 | ||
1046 | updatepc = (curPC != PC[i]); | |
1047 | ||
1048 | } | |
1049 | Standard_Boolean goodpc = 1; | |
1050 | GAC2d.Load(curPC,f3d,l3d); | |
1051 | ||
1052 | Standard_Real error = ComputeTol(HC, HC2d, HS, NCONTROL); | |
1053 | ||
1054 | if(GAC2d.GetType() == GeomAbs_BSplineCurve && | |
1055 | GAC2d.Continuity() == GeomAbs_C0) { | |
1056 | Handle(Geom2d_BSplineCurve) bs2d = GAC2d.BSpline(); | |
1057 | Handle(Geom2d_BSplineCurve) bs2dsov = bs2d; | |
1058 | Standard_Real fC0 = bs2d->FirstParameter(), lC0 = bs2d->LastParameter(); | |
1059 | Standard_Boolean repar = Standard_True; | |
1060 | gp_Pnt2d OriginPoint; | |
1061 | bs2d->D0(fC0, OriginPoint); | |
1062 | Geom2dConvert::C0BSplineToC1BSplineCurve(bs2d, Tol2d); | |
1063 | isBSP = Standard_True; | |
1064 | ||
1065 | if(bs2d->IsPeriodic()) { // -------- IFV, Jan 2000 | |
1066 | gp_Pnt2d NewOriginPoint; | |
1067 | bs2d->D0(bs2d->FirstParameter(), NewOriginPoint); | |
1068 | if(Abs(OriginPoint.X() - NewOriginPoint.X()) > Precision::PConfusion() || | |
1069 | Abs(OriginPoint.Y() - NewOriginPoint.Y()) > Precision::PConfusion() ) { | |
1070 | ||
1071 | TColStd_Array1OfReal Knotbs2d (1, bs2d->NbKnots()); | |
1072 | bs2d->Knots(Knotbs2d); | |
1073 | ||
1074 | for(Standard_Integer Index = 1; Index <= bs2d->NbKnots(); Index++) { | |
1075 | bs2d->D0(Knotbs2d(Index), NewOriginPoint); | |
1076 | if(Abs(OriginPoint.X() - NewOriginPoint.X()) > Precision::PConfusion() || | |
1077 | Abs(OriginPoint.Y() - NewOriginPoint.Y()) > Precision::PConfusion() ) continue; | |
1078 | ||
1079 | bs2d->SetOrigin(Index); | |
1080 | break; | |
1081 | } | |
1082 | } | |
1083 | } | |
1084 | ||
1085 | if(bs2d->Continuity() == GeomAbs_C0) { | |
1086 | Standard_Real tolbail; | |
1087 | if(EvalTol(curPC,S,GAC,Tolerance,tolbail)){ | |
1088 | bs2d = bs2dsov; | |
1089 | Standard_Real UResbail = GAS.UResolution(tolbail); | |
1090 | Standard_Real VResbail = GAS.VResolution(tolbail); | |
1091 | Standard_Real Tol2dbail = Min(UResbail,VResbail); | |
1092 | bs2d->D0(bs2d->FirstParameter(), OriginPoint); | |
1093 | ||
1094 | Standard_Integer nbp = bs2d->NbPoles(); | |
1095 | TColgp_Array1OfPnt2d poles(1,nbp); | |
1096 | bs2d->Poles(poles); | |
1097 | gp_Pnt2d p = poles(1), p1; | |
1098 | Standard_Real d = Precision::Infinite(); | |
1099 | for(Standard_Integer ip = 2; ip <= nbp; ip++) { | |
1100 | p1 = poles(ip); | |
1101 | d = Min(d,p.SquareDistance(p1)); | |
1102 | p = p1; | |
1103 | } | |
1104 | d = sqrt(d)*.1; | |
1105 | ||
1106 | Tol2dbail = Max(Min(Tol2dbail,d),Tol2d); | |
1107 | ||
1108 | Geom2dConvert::C0BSplineToC1BSplineCurve(bs2d,Tol2dbail); | |
1109 | ||
1110 | if(bs2d->IsPeriodic()) { // -------- IFV, Jan 2000 | |
1111 | gp_Pnt2d NewOriginPoint; | |
1112 | bs2d->D0(bs2d->FirstParameter(), NewOriginPoint); | |
1113 | if(Abs(OriginPoint.X() - NewOriginPoint.X()) > Precision::PConfusion() || | |
1114 | Abs(OriginPoint.Y() - NewOriginPoint.Y()) > Precision::PConfusion() ) { | |
1115 | ||
1116 | TColStd_Array1OfReal Knotbs2d (1, bs2d->NbKnots()); | |
1117 | bs2d->Knots(Knotbs2d); | |
1118 | ||
1119 | for(Standard_Integer Index = 1; Index <= bs2d->NbKnots(); Index++) { | |
1120 | bs2d->D0(Knotbs2d(Index), NewOriginPoint); | |
1121 | if(Abs(OriginPoint.X() - NewOriginPoint.X()) > Precision::PConfusion() || | |
1122 | Abs(OriginPoint.Y() - NewOriginPoint.Y()) > Precision::PConfusion() ) continue; | |
1123 | ||
1124 | bs2d->SetOrigin(Index); | |
1125 | break; | |
1126 | } | |
1127 | } | |
1128 | } | |
1129 | ||
1130 | ||
1131 | if(bs2d->Continuity() == GeomAbs_C0) { | |
1132 | goodpc = 1; | |
1133 | bs2d = bs2dsov; | |
1134 | repar = Standard_False; | |
1135 | } | |
1136 | } | |
1137 | else goodpc = 0; | |
1138 | } | |
1139 | ||
1140 | if(goodpc){ | |
1141 | if(repar) { | |
1142 | Standard_Integer NbKnots = bs2d->NbKnots(); | |
1143 | TColStd_Array1OfReal Knots(1,NbKnots); | |
1144 | bs2d->Knots(Knots); | |
1145 | // BSplCLib::Reparametrize(f3d,l3d,Knots); | |
1146 | BSplCLib::Reparametrize(fC0,lC0,Knots); | |
1147 | bs2d->SetKnots(Knots); | |
1148 | GAC2d.Load(bs2d,f3d,l3d); | |
1149 | curPC = bs2d; | |
1150 | Standard_Boolean updatepcsov = updatepc; | |
1151 | updatepc = Standard_True; | |
1152 | ||
1153 | Standard_Real error1 = ComputeTol(HC, HC2d, HS, NCONTROL); | |
1154 | if(error1 > error) { | |
1155 | bs2d = bs2dsov; | |
1156 | GAC2d.Load(bs2d,f3d,l3d); | |
1157 | curPC = bs2d; | |
1158 | updatepc = updatepcsov; | |
1159 | isANA = Standard_True; | |
1160 | } | |
1161 | else { | |
1162 | error = error1; | |
1163 | } | |
1164 | } | |
1165 | ||
1166 | //check, if new BSpline "good" or not --------- IFV, Jan of 2000 | |
1167 | GeomAbs_Shape cont = bs2d->Continuity(); | |
1168 | Standard_Boolean IsBad = Standard_False; | |
1169 | ||
1170 | if(cont > GeomAbs_C0 && error > Max(1.e-3,Tolerance)) { | |
1171 | Standard_Integer NbKnots = bs2d->NbKnots(); | |
1172 | TColStd_Array1OfReal Knots(1,NbKnots); | |
1173 | bs2d->Knots(Knots); | |
1174 | Standard_Real critratio = 10.; | |
1175 | Standard_Real dtprev = Knots(2) - Knots(1), dtratio = 1.; | |
1176 | Standard_Real dtmin = dtprev; | |
1177 | Standard_Real dtcur; | |
1178 | for(Standard_Integer j = 2; j < NbKnots; j++) { | |
1179 | dtcur = Knots(j+1) - Knots(j); | |
1180 | dtmin = Min(dtmin, dtcur); | |
1181 | ||
1182 | if(IsBad) continue; | |
1183 | ||
1184 | if(dtcur > dtprev) dtratio = dtcur/dtprev; | |
1185 | else dtratio = dtprev/dtcur; | |
1186 | if(dtratio > critratio) {IsBad = Standard_True;} | |
1187 | dtprev = dtcur; | |
1188 | ||
1189 | } | |
1190 | if(IsBad) { | |
1191 | // To avoid failures in Approx_CurvilinearParameter | |
1192 | bs2d->Resolution(Max(1.e-3,Tolerance), dtcur); | |
1193 | if(dtmin < dtcur) IsBad = Standard_False; | |
1194 | } | |
1195 | } | |
1196 | ||
1197 | ||
1198 | if(IsBad ) { //if BSpline "bad", try to reparametrize it | |
1199 | // by its curve length | |
1200 | ||
1201 | // GeomAbs_Shape cont = bs2d->Continuity(); | |
1202 | if(cont > GeomAbs_C2) cont = GeomAbs_C2; | |
1203 | Standard_Integer maxdeg = bs2d->Degree(); | |
1204 | if(maxdeg == 1) maxdeg = 14; | |
1205 | Approx_CurvilinearParameter AppCurPar(HC2d, HS, Max(1.e-3,Tolerance), | |
1206 | cont, maxdeg, 10); | |
1207 | if(AppCurPar.IsDone() || AppCurPar.HasResult()) { | |
1208 | bs2d = AppCurPar.Curve2d1(); | |
1209 | GAC2d.Load(bs2d,f3d,l3d); | |
1210 | curPC = bs2d; | |
1211 | ||
1212 | if(Abs(bs2d->FirstParameter() - fC0) > Tol2d || | |
1213 | Abs(bs2d->LastParameter() - lC0) > Tol2d ) { | |
1214 | Standard_Integer NbKnots = bs2d->NbKnots(); | |
1215 | TColStd_Array1OfReal Knots(1,NbKnots); | |
1216 | bs2d->Knots(Knots); | |
1217 | // BSplCLib::Reparametrize(f3d,l3d,Knots); | |
1218 | BSplCLib::Reparametrize(fC0,lC0,Knots); | |
1219 | bs2d->SetKnots(Knots); | |
1220 | GAC2d.Load(bs2d,f3d,l3d); | |
1221 | curPC = bs2d; | |
1222 | ||
1223 | } | |
1224 | } | |
1225 | } | |
1226 | ||
1227 | ||
1228 | } | |
1229 | } | |
1230 | ||
1231 | ||
1232 | if(goodpc){ | |
1233 | // Approx_SameParameter SameP(HC,HC2d,HS,Tolerance); | |
1234 | Standard_Real aTol = (isANA && isBSP) ? 1.e-7 : Tolerance; | |
1235 | Approx_SameParameter SameP(HC,HC2d,HS,aTol); | |
1236 | ||
1237 | if (SameP.IsSameParameter()) { | |
1238 | maxdist = Max(maxdist,SameP.TolReached()); | |
1239 | if(updatepc){ | |
1240 | if (i == 0) GCurve->PCurve(curPC); | |
1241 | else GCurve->PCurve2(curPC); | |
1242 | } | |
1243 | } | |
1244 | else if (SameP.IsDone()) { | |
1245 | Standard_Real tolreached = SameP.TolReached(); | |
1246 | if(tolreached < error) { | |
1247 | curPC = SameP.Curve2d(); | |
1248 | updatepc = Standard_True; | |
1249 | maxdist = Max(maxdist,tolreached); | |
1250 | } | |
1251 | else { | |
1252 | maxdist = Max(maxdist, error); | |
1253 | } | |
1254 | if(updatepc){ | |
1255 | if (i == 0) GCurve->PCurve(curPC); | |
1256 | else GCurve->PCurve2(curPC); | |
1257 | } | |
1258 | } | |
1259 | else IsSameP = 0; | |
1260 | ||
1261 | } | |
1262 | else IsSameP = 0; | |
1263 | ||
1264 | // Modified by skv - Thu Jun 3 12:39:19 2004 OCC5898 Begin | |
1265 | if (!IsSameP) { | |
1266 | if (anEdgeTol > error) { | |
1267 | maxdist = Max(maxdist, anEdgeTol); | |
1268 | IsSameP = Standard_True; | |
1269 | } | |
1270 | } | |
1271 | // Modified by skv - Thu Jun 3 12:39:20 2004 OCC5898 End | |
7fd59977 | 1272 | } |
1273 | } | |
1274 | It.Next() ; | |
1275 | } | |
1276 | B.Range(AnEdge,f3d,l3d); | |
1277 | B.SameRange(AnEdge,Standard_True); | |
1278 | if ( IsSameP) { | |
0d969553 Y |
1279 | // Reduce eventually the tolerance of the edge, as |
1280 | // all its representations are processed (except for some associated | |
1281 | // to planes and not stored in the edge !) | |
1282 | // The same cannot be done with vertices that cannot be enlarged | |
1283 | // or left as is. | |
7fd59977 | 1284 | if (YaPCu) { |
0d969553 | 1285 | // Avoid setting too small tolerances. |
7fd59977 | 1286 | maxdist = Max(maxdist,Precision::Confusion()); |
1287 | TopoDS_Vertex V1,V2; | |
1288 | TopExp::Vertices(AnEdge,V1,V2); | |
1289 | if (!V1.IsNull()) | |
a86d3ec0 | 1290 | B.UpdateVertex(V1,maxdist); |
7fd59977 | 1291 | if (!V2.IsNull()) |
a86d3ec0 | 1292 | B.UpdateVertex(V2,maxdist); |
7fd59977 | 1293 | TE->Modified(Standard_True); |
1294 | TE->Tolerance(maxdist); | |
1295 | } | |
1296 | B.SameParameter(AnEdge,Standard_True); | |
1297 | } | |
1298 | } | |
1299 | ||
1300 | //======================================================================= | |
1301 | //function : UpdateTolerances | |
1302 | //purpose : | |
1303 | //======================================================================= | |
1304 | void BRepLib::UpdateTolerances(const TopoDS_Shape& aShape, | |
a86d3ec0 | 1305 | const Standard_Boolean verifyTolerance) |
7fd59977 | 1306 | { |
1307 | ||
a86d3ec0 | 1308 | // Harmonize tolerances |
1309 | // with rule Tolerance(VERTEX)>=Tolerance(EDGE)>=Tolerance(FACE) | |
7fd59977 | 1310 | BRep_Builder B; |
1311 | Standard_Real tol=0; | |
1312 | if (verifyTolerance) { | |
0d969553 | 1313 | // Set tolerance to its minimum value |
7fd59977 | 1314 | Handle(Geom_Surface) S; |
1315 | TopLoc_Location l; | |
1316 | TopExp_Explorer ex; | |
1317 | Bnd_Box aB; | |
1318 | Standard_Real aXmin, aYmin, aZmin, aXmax, aYmax, aZmax, dMax; | |
1319 | for (ex.Init(aShape, TopAbs_FACE); ex.More(); ex.Next()) { | |
1320 | const TopoDS_Face& curf=TopoDS::Face(ex.Current()); | |
1321 | S = BRep_Tool::Surface(curf, l); | |
1322 | if (!S.IsNull()) { | |
a86d3ec0 | 1323 | aB.SetVoid(); |
1324 | BRepBndLib::Add(curf,aB); | |
1325 | if (S->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) { | |
c5f3a425 | 1326 | S = Handle(Geom_RectangularTrimmedSurface)::DownCast (S)->BasisSurface(); |
a86d3ec0 | 1327 | } |
1328 | GeomAdaptor_Surface AS(S); | |
1329 | switch (AS.GetType()) { | |
1330 | case GeomAbs_Plane: | |
1331 | case GeomAbs_Cylinder: | |
1332 | case GeomAbs_Cone: | |
1333 | { | |
1334 | tol=Precision::Confusion(); | |
1335 | break; | |
1336 | } | |
1337 | case GeomAbs_Sphere: | |
1338 | case GeomAbs_Torus: | |
1339 | { | |
1340 | tol=Precision::Confusion()*2; | |
1341 | break; | |
1342 | } | |
1343 | default: | |
1344 | tol=Precision::Confusion()*4; | |
1345 | } | |
1346 | if (!aB.IsWhole()) { | |
1347 | aB.Get(aXmin, aYmin, aZmin, aXmax, aYmax, aZmax); | |
1348 | dMax=1.; | |
1349 | if (!aB.IsOpenXmin() && !aB.IsOpenXmax()) dMax=aXmax-aXmin; | |
1350 | if (!aB.IsOpenYmin() && !aB.IsOpenYmax()) aYmin=aYmax-aYmin; | |
1351 | if (!aB.IsOpenZmin() && !aB.IsOpenZmax()) aZmin=aZmax-aZmin; | |
1352 | if (aYmin>dMax) dMax=aYmin; | |
1353 | if (aZmin>dMax) dMax=aZmin; | |
1354 | tol=tol*dMax; | |
1355 | // Do not process tolerances > 1. | |
1356 | if (tol>1.) tol=0.99; | |
1357 | } | |
1358 | const Handle(BRep_TFace)& Tf = *((Handle(BRep_TFace)*)&curf.TShape()); | |
1359 | Tf->Tolerance(tol); | |
7fd59977 | 1360 | } |
1361 | } | |
1362 | } | |
a86d3ec0 | 1363 | |
0d969553 | 1364 | //Process edges |
7fd59977 | 1365 | TopTools_IndexedDataMapOfShapeListOfShape parents; |
1366 | TopExp::MapShapesAndAncestors(aShape, TopAbs_EDGE, TopAbs_FACE, parents); | |
1367 | TopTools_ListIteratorOfListOfShape lConx; | |
1368 | Standard_Integer iCur; | |
1369 | for (iCur=1; iCur<=parents.Extent(); iCur++) { | |
1370 | tol=0; | |
1371 | for (lConx.Initialize(parents(iCur)); lConx.More(); lConx.Next()) { | |
1372 | tol=Max(tol, BRep_Tool::Tolerance(TopoDS::Face(lConx.Value()))); | |
1373 | } | |
0d969553 Y |
1374 | // Update can only increase tolerance, so if the edge has a greater |
1375 | // tolerance than its faces it is not concerned | |
7fd59977 | 1376 | B.UpdateEdge(TopoDS::Edge(parents.FindKey(iCur)), tol); |
1377 | } | |
1378 | ||
0d969553 | 1379 | //Vertices are processed |
7fd59977 | 1380 | parents.Clear(); |
1381 | TopExp::MapShapesAndAncestors(aShape, TopAbs_VERTEX, TopAbs_EDGE, parents); | |
1382 | TColStd_MapOfTransient Initialized; | |
1383 | TopTools_MapOfShape Done; | |
1384 | Standard_Integer nbV = parents.Extent(); | |
1385 | for (iCur=1; iCur<=nbV; iCur++) { | |
1386 | tol=0; | |
1387 | Done.Clear(); | |
1388 | const TopoDS_Vertex& V = TopoDS::Vertex(parents.FindKey(iCur)); | |
1389 | Bnd_Box box; | |
1390 | box.Add(BRep_Tool::Pnt(V)); | |
1391 | gp_Pnt p3d; | |
1392 | for (lConx.Initialize(parents(iCur)); lConx.More(); lConx.Next()) { | |
1393 | const TopoDS_Edge& E = TopoDS::Edge(lConx.Value()); | |
1394 | if(!Done.Add(E)) continue; | |
1395 | tol=Max(tol, BRep_Tool::Tolerance(E)); | |
1396 | if(!BRep_Tool::SameRange(E)) continue; | |
1397 | Standard_Real par = BRep_Tool::Parameter(V,E); | |
1398 | Handle(BRep_TEdge)& TE = *((Handle(BRep_TEdge)*)&E.TShape()); | |
1399 | BRep_ListIteratorOfListOfCurveRepresentation itcr(TE->Curves()); | |
1400 | const TopLoc_Location& Eloc = E.Location(); | |
1401 | while (itcr.More()) { | |
a86d3ec0 | 1402 | // For each CurveRepresentation, check the provided parameter |
1403 | const Handle(BRep_CurveRepresentation)& cr = itcr.Value(); | |
1404 | const TopLoc_Location& loc = cr->Location(); | |
1405 | TopLoc_Location L = (Eloc * loc); | |
1406 | if (cr->IsCurve3D()) { | |
1407 | const Handle(Geom_Curve)& C = cr->Curve3D(); | |
1408 | if (!C.IsNull()) { // edge non degenerated | |
1409 | p3d = C->Value(par); | |
1410 | p3d.Transform(L.Transformation()); | |
1411 | box.Add(p3d); | |
1412 | } | |
1413 | } | |
1414 | else if (cr->IsCurveOnSurface()) { | |
1415 | const Handle(Geom_Surface)& Su = cr->Surface(); | |
1416 | const Handle(Geom2d_Curve)& PC = cr->PCurve(); | |
1417 | Handle(Geom2d_Curve) PC2; | |
1418 | if (cr->IsCurveOnClosedSurface()) { | |
1419 | PC2 = cr->PCurve2(); | |
1420 | } | |
1421 | gp_Pnt2d p2d = PC->Value(par); | |
1422 | p3d = Su->Value(p2d.X(),p2d.Y()); | |
1423 | p3d.Transform(L.Transformation()); | |
1424 | box.Add(p3d); | |
1425 | if (!PC2.IsNull()) { | |
1426 | p2d = PC2->Value(par); | |
1427 | p3d = Su->Value(p2d.X(),p2d.Y()); | |
1428 | p3d.Transform(L.Transformation()); | |
1429 | box.Add(p3d); | |
1430 | } | |
1431 | } | |
1432 | itcr.Next(); | |
7fd59977 | 1433 | } |
1434 | } | |
1435 | Standard_Real aXmin, aYmin, aZmin, aXmax, aYmax, aZmax; | |
1436 | box.Get(aXmin, aYmin, aZmin, aXmax, aYmax, aZmax); | |
1437 | aXmax -= aXmin; aYmax -= aYmin; aZmax -= aZmin; | |
1438 | tol = Max(tol,sqrt(aXmax*aXmax+aYmax*aYmax+aZmax*aZmax)); | |
1439 | tol += 2.*Epsilon(tol); | |
1440 | if (verifyTolerance) { | |
0d969553 Y |
1441 | // ASet minimum value of the tolerance |
1442 | // Attention to sharing of the vertex by other shapes | |
7fd59977 | 1443 | const Handle(BRep_TVertex)& TV = *((Handle(BRep_TVertex)*)&V.TShape()); |
1444 | if (Initialized.Add(TV)) | |
a86d3ec0 | 1445 | TV->Tolerance(tol); |
7fd59977 | 1446 | else |
a86d3ec0 | 1447 | B.UpdateVertex(V, tol); |
7fd59977 | 1448 | } |
1449 | else { | |
a86d3ec0 | 1450 | // Update can only increase tolerance, so if the edge has a greater |
1451 | // tolerance than its faces it is not concerned | |
7fd59977 | 1452 | B.UpdateVertex(V, tol); |
1453 | } | |
1454 | } | |
1455 | } | |
1456 | ||
1457 | //======================================================================= | |
1458 | //function : OrientClosedSolid | |
1459 | //purpose : | |
1460 | //======================================================================= | |
1461 | Standard_Boolean BRepLib::OrientClosedSolid(TopoDS_Solid& solid) | |
1462 | { | |
a86d3ec0 | 1463 | // Set material inside the solid |
7fd59977 | 1464 | BRepClass3d_SolidClassifier where(solid); |
1465 | where.PerformInfinitePoint(Precision::Confusion()); | |
1466 | if (where.State()==TopAbs_IN) { | |
1467 | solid.Reverse(); | |
1468 | } | |
1469 | else if (where.State()==TopAbs_ON || where.State()==TopAbs_UNKNOWN) | |
1470 | return Standard_False; | |
1471 | ||
1472 | return Standard_True; | |
1473 | } | |
1474 | ||
1475 | //======================================================================= | |
1476 | //function : tgtfaces | |
0d969553 Y |
1477 | //purpose : check the angle at the border between two squares. |
1478 | // Two shares should have a shared front edge. | |
7fd59977 | 1479 | //======================================================================= |
1480 | ||
1481 | static Standard_Boolean tgtfaces(const TopoDS_Edge& Ed, | |
a86d3ec0 | 1482 | const TopoDS_Face& F1, |
1483 | const TopoDS_Face& F2, | |
1484 | const Standard_Real ta, | |
1485 | const Standard_Boolean couture) | |
7fd59977 | 1486 | { |
4f933493 | 1487 | // Check if pcurves exist on both faces of edge |
1488 | Standard_Real aFirst,aLast; | |
1489 | Handle(Geom2d_Curve) aCurve; | |
1490 | aCurve = BRep_Tool::CurveOnSurface(Ed,F1,aFirst,aLast); | |
1491 | if(aCurve.IsNull()) | |
1492 | return Standard_False; | |
1493 | aCurve = BRep_Tool::CurveOnSurface(Ed,F2,aFirst,aLast); | |
1494 | if(aCurve.IsNull()) | |
1495 | return Standard_False; | |
1496 | ||
7fd59977 | 1497 | Standard_Real u; |
1498 | TopoDS_Edge E = Ed; | |
1499 | BRepAdaptor_Surface aBAS1(F1,Standard_False); | |
1500 | BRepAdaptor_Surface aBAS2(F2,Standard_False); | |
1501 | Handle(BRepAdaptor_HSurface) HS1 = new BRepAdaptor_HSurface(aBAS1); | |
1502 | Handle(BRepAdaptor_HSurface) HS2; | |
1503 | if(couture) HS2 = HS1; | |
1504 | else HS2 = new BRepAdaptor_HSurface(aBAS2); | |
1505 | ||
1506 | E.Orientation(TopAbs_FORWARD); | |
1507 | Handle(BRepAdaptor_HCurve2d) HC2d1 = new BRepAdaptor_HCurve2d(); | |
1508 | HC2d1->ChangeCurve2d().Initialize(E,F1); | |
1509 | if(couture) E.Orientation(TopAbs_REVERSED); | |
1510 | Handle(BRepAdaptor_HCurve2d) HC2d2 = new BRepAdaptor_HCurve2d(); | |
1511 | HC2d2->ChangeCurve2d().Initialize(E,F2); | |
1512 | Adaptor3d_CurveOnSurface C1(HC2d1,HS1); | |
1513 | Adaptor3d_CurveOnSurface C2(HC2d2,HS2); | |
1514 | ||
1515 | Standard_Boolean rev1 = (F1.Orientation() == TopAbs_REVERSED); | |
1516 | Standard_Boolean rev2 = (F2.Orientation() == TopAbs_REVERSED); | |
c6541a0c | 1517 | Standard_Real f,l,eps, angmax = -M_PI; |
7fd59977 | 1518 | Standard_Real ang =0.; |
7fd59977 | 1519 | BRep_Tool::Range(E,f,l); |
1520 | Extrema_LocateExtPC ext; | |
1521 | Standard_Boolean IsInitialized = Standard_False; | |
a86d3ec0 | 1522 | |
7fd59977 | 1523 | eps = (l - f)/100.; |
0d969553 Y |
1524 | f += eps; // to avoid calculations on |
1525 | l -= eps; // points of pointed squares. | |
7fd59977 | 1526 | gp_Pnt2d p; |
1527 | gp_Pnt pp1,pp2;//,PP; | |
1528 | gp_Vec du,dv; | |
1529 | gp_Vec d1,d2; | |
1530 | Standard_Real uu, vv, norm; | |
1531 | ||
1532 | Standard_Integer i; | |
1533 | Standard_Boolean Nok; | |
1534 | for(i = 0; (i<= 20) && (angmax<=ta) ; i++){ | |
0d969553 | 1535 | // First suppose that this is sameParameter |
7fd59977 | 1536 | Nok = Standard_True; |
1537 | u = f + (l-f)*i/20; | |
1538 | HC2d1->D0(u,p); | |
1539 | HS1->D1(p.X(),p.Y(),pp1,du,dv); | |
1540 | d1 = (du.Crossed(dv)); | |
1541 | norm = d1.Magnitude(); | |
1542 | if (norm > 1.e-12) d1 /= norm; | |
1543 | else Nok=Standard_False; | |
1544 | if(rev1) d1.Reverse(); | |
1545 | ||
1546 | HC2d2->D0(u,p); | |
1547 | HS2->D1(p.X(), p.Y(), pp2, du, dv); | |
1548 | d2 = (du.Crossed(dv)); | |
1549 | norm = d2.Magnitude(); | |
1550 | if (norm> 1.e-12) d2 /= norm; | |
1551 | else Nok=Standard_False; | |
1552 | if(rev2) d2.Reverse(); | |
1553 | if (Nok) ang = d1.Angle(d2); | |
1554 | ||
0d969553 | 1555 | if (Nok &&(ang > ta)) { // Refine by projection |
7fd59977 | 1556 | if (! IsInitialized ) { |
a86d3ec0 | 1557 | ext.Initialize(C2,f,l,Precision::PConfusion()); |
1558 | IsInitialized = Standard_True; | |
7fd59977 | 1559 | } |
1560 | ext.Perform(pp1,u); | |
1561 | if(ext.IsDone() && ext.IsMin()){ | |
a86d3ec0 | 1562 | Extrema_POnCurv poc = ext.Point(); |
1563 | Standard_Real v = poc.Parameter(); | |
1564 | ||
1565 | HC2d2->D0(v,p); | |
1566 | p.Coord(uu,vv); | |
1567 | HS2->D1(p.X(), p.Y(), pp2, du, dv); | |
1568 | d2 = (du.Crossed(dv)); | |
1569 | norm = d2.Magnitude(); | |
1570 | if (norm> 1.e-12) d2 /= norm; | |
1571 | else Nok = Standard_False; | |
1572 | if(rev2) d2.Reverse(); | |
1573 | if (Nok) ang = d1.Angle(d2); | |
7fd59977 | 1574 | } |
1575 | } | |
1576 | if(ang >= angmax) angmax = ang; | |
1577 | } | |
a86d3ec0 | 1578 | |
7fd59977 | 1579 | return (angmax<=ta); |
1580 | ||
1581 | } | |
1582 | ||
1583 | ||
1584 | //======================================================================= | |
1585 | // function : EncodeRegularity | |
0d969553 Y |
1586 | // purpose : code the regularities on all edges of the shape, boundary of |
1587 | // two faces that do not have it. | |
7fd59977 | 1588 | //======================================================================= |
1589 | ||
1590 | void BRepLib::EncodeRegularity(const TopoDS_Shape& S, | |
a86d3ec0 | 1591 | const Standard_Real TolAng) |
7fd59977 | 1592 | { |
1593 | BRep_Builder B; | |
1594 | TopTools_IndexedDataMapOfShapeListOfShape M; | |
1595 | TopExp::MapShapesAndAncestors(S,TopAbs_EDGE,TopAbs_FACE,M); | |
1596 | TopTools_ListIteratorOfListOfShape It; | |
1597 | TopExp_Explorer Ex; | |
1598 | TopoDS_Face F1,F2; | |
1599 | Standard_Boolean found, couture; | |
1600 | for(Standard_Integer i = 1; i <= M.Extent(); i++){ | |
1601 | TopoDS_Edge E = TopoDS::Edge(M.FindKey(i)); | |
1602 | found = Standard_False; couture = Standard_False; | |
1603 | F1.Nullify(); | |
1604 | for(It.Initialize(M.FindFromIndex(i));It.More() && !found;It.Next()){ | |
1605 | if(F1.IsNull()) { F1 = TopoDS::Face(It.Value()); } | |
1606 | else { | |
a86d3ec0 | 1607 | if(!F1.IsSame(TopoDS::Face(It.Value()))){ |
1608 | found = Standard_True; | |
1609 | F2 = TopoDS::Face(It.Value()); | |
1610 | } | |
7fd59977 | 1611 | } |
1612 | } | |
0d969553 | 1613 | if (!found && !F1.IsNull()){//is it a sewing edge? |
7fd59977 | 1614 | TopAbs_Orientation orE = E.Orientation(); |
1615 | TopoDS_Edge curE; | |
1616 | for(Ex.Init(F1,TopAbs_EDGE);Ex.More() && !found;Ex.Next()){ | |
a86d3ec0 | 1617 | curE= TopoDS::Edge(Ex.Current()); |
1618 | if(E.IsSame(curE) && orE != curE.Orientation()) { | |
1619 | found = Standard_True; | |
1620 | couture = Standard_True; | |
1621 | F2 = F1; | |
1622 | } | |
7fd59977 | 1623 | } |
1624 | } | |
1625 | if(found){ | |
1626 | if(BRep_Tool::Continuity(E,F1,F2)<=GeomAbs_C0){ | |
041bfce9 | 1627 | |
1628 | try { | |
a86d3ec0 | 1629 | if(tgtfaces(E, F1, F2, TolAng, couture)){ |
1630 | B.Continuity(E,F1,F2,GeomAbs_G1); | |
041bfce9 | 1631 | } |
1632 | } | |
1633 | catch(Standard_Failure) | |
1634 | { | |
1635 | } | |
7fd59977 | 1636 | } |
1637 | } | |
1638 | } | |
1639 | } | |
1640 | ||
1641 | //======================================================================= | |
1642 | // function : EncodeRegularity | |
0d969553 | 1643 | // purpose : code the regularity between 2 faces on an edge |
7fd59977 | 1644 | //======================================================================= |
1645 | ||
1646 | void BRepLib::EncodeRegularity(TopoDS_Edge& E, | |
a86d3ec0 | 1647 | const TopoDS_Face& F1, |
1648 | const TopoDS_Face& F2, | |
1649 | const Standard_Real TolAng) | |
7fd59977 | 1650 | { |
1651 | BRep_Builder B; | |
1652 | if(BRep_Tool::Continuity(E,F1,F2)<=GeomAbs_C0){ | |
041bfce9 | 1653 | try { |
1654 | if( tgtfaces(E, F1, F2, TolAng, F1.IsEqual(F2))) { | |
1655 | B.Continuity(E,F1,F2,GeomAbs_G1); | |
1656 | } | |
1657 | } | |
1658 | catch(Standard_Failure) | |
1659 | { | |
1660 | } | |
a86d3ec0 | 1661 | } |
7fd59977 | 1662 | } |
1663 | ||
7693827d | 1664 | //======================================================================= |
1665 | // function : EnsureNormalConsistency | |
1666 | // purpose : Corrects the normals in Poly_Triangulation of faces. | |
1667 | // Returns TRUE if any correction is done. | |
1668 | //======================================================================= | |
1669 | Standard_Boolean BRepLib:: | |
1670 | EnsureNormalConsistency(const TopoDS_Shape& theShape, | |
1671 | const Standard_Real theAngTol, | |
1672 | const Standard_Boolean theForceComputeNormals) | |
1673 | { | |
1674 | const Standard_Real aThresDot = cos(theAngTol); | |
1675 | ||
1676 | Standard_Boolean aRetVal = Standard_False, isNormalsFound = Standard_False; | |
1677 | ||
1678 | // compute normals if they are absent | |
1679 | TopExp_Explorer anExpFace(theShape,TopAbs_FACE); | |
1680 | for (; anExpFace.More(); anExpFace.Next()) | |
1681 | { | |
1682 | const TopoDS_Face& aFace = TopoDS::Face(anExpFace.Current()); | |
1683 | const Handle(Geom_Surface) aSurf = BRep_Tool::Surface(aFace); | |
1684 | if(aSurf.IsNull()) | |
1685 | continue; | |
1686 | TopLoc_Location aLoc; | |
1687 | const Handle(Poly_Triangulation)& aPT = BRep_Tool::Triangulation(aFace, aLoc); | |
1688 | if(aPT.IsNull()) | |
1689 | continue; | |
1690 | if (!theForceComputeNormals && aPT->HasNormals()) | |
1691 | { | |
1692 | isNormalsFound = Standard_True; | |
1693 | continue; | |
1694 | } | |
1695 | ||
1696 | GeomLProp_SLProps aSLP(aSurf, 2, Precision::Confusion()); | |
1697 | const Standard_Integer anArrDim = 3*aPT->NbNodes(); | |
1698 | Handle(TShort_HArray1OfShortReal) aNormArr = new TShort_HArray1OfShortReal(1, anArrDim); | |
1699 | Standard_Integer anNormInd = aNormArr->Lower(); | |
1700 | for(Standard_Integer i = aPT->UVNodes().Lower(); i <= aPT->UVNodes().Upper(); i++) | |
1701 | { | |
1702 | const gp_Pnt2d &aP2d = aPT->UVNodes().Value(i); | |
1703 | aSLP.SetParameters(aP2d.X(), aP2d.Y()); | |
1704 | ||
1705 | gp_XYZ aNorm(0.,0.,0.); | |
1706 | if(!aSLP.IsNormalDefined()) | |
1707 | { | |
1708 | #ifdef OCCT_DEBUG | |
1709 | cout << "BRepLib::EnsureNormalConsistency(): Cannot find normal!" << endl; | |
1710 | #endif | |
1711 | } | |
1712 | else | |
1713 | { | |
1714 | aNorm = aSLP.Normal().XYZ(); | |
1715 | if (aFace.Orientation() == TopAbs_REVERSED) | |
1716 | aNorm.Reverse(); | |
1717 | } | |
1718 | aNormArr->ChangeValue(anNormInd++) = static_cast<Standard_ShortReal>(aNorm.X()); | |
1719 | aNormArr->ChangeValue(anNormInd++) = static_cast<Standard_ShortReal>(aNorm.Y()); | |
1720 | aNormArr->ChangeValue(anNormInd++) = static_cast<Standard_ShortReal>(aNorm.Z()); | |
1721 | } | |
1722 | ||
1723 | aRetVal = Standard_True; | |
1724 | isNormalsFound = Standard_True; | |
1725 | aPT->SetNormals(aNormArr); | |
1726 | } | |
1727 | ||
1728 | if(!isNormalsFound) | |
1729 | { | |
1730 | return aRetVal; | |
1731 | } | |
1732 | ||
1733 | // loop by edges | |
1734 | TopTools_IndexedDataMapOfShapeListOfShape aMapEF; | |
1735 | TopExp::MapShapesAndAncestors(theShape,TopAbs_EDGE,TopAbs_FACE,aMapEF); | |
1736 | for(Standard_Integer anInd = 1; anInd <= aMapEF.Extent(); anInd++) | |
1737 | { | |
1738 | const TopoDS_Edge& anEdg = TopoDS::Edge(aMapEF.FindKey(anInd)); | |
1739 | const TopTools_ListOfShape& anEdgList = aMapEF.FindFromIndex(anInd); | |
1740 | if (anEdgList.Extent() != 2) | |
1741 | continue; | |
1742 | TopTools_ListIteratorOfListOfShape anItF(anEdgList); | |
1743 | const TopoDS_Face aFace1 = TopoDS::Face(anItF.Value()); | |
1744 | anItF.Next(); | |
1745 | const TopoDS_Face aFace2 = TopoDS::Face(anItF.Value()); | |
1746 | TopLoc_Location aLoc1, aLoc2; | |
1747 | const Handle(Poly_Triangulation)& aPT1 = BRep_Tool::Triangulation(aFace1, aLoc1); | |
1748 | const Handle(Poly_Triangulation)& aPT2 = BRep_Tool::Triangulation(aFace2, aLoc2); | |
1749 | ||
1750 | if(aPT1.IsNull() || aPT2.IsNull()) | |
1751 | continue; | |
1752 | ||
1753 | if(!aPT1->HasNormals() || !aPT2->HasNormals()) | |
1754 | continue; | |
1755 | ||
1756 | const Handle(Poly_PolygonOnTriangulation)& aPTEF1 = | |
1757 | BRep_Tool::PolygonOnTriangulation(anEdg, aPT1, aLoc1); | |
1758 | const Handle(Poly_PolygonOnTriangulation)& aPTEF2 = | |
1759 | BRep_Tool::PolygonOnTriangulation(anEdg, aPT2, aLoc2); | |
1760 | ||
1761 | TShort_Array1OfShortReal& aNormArr1 = aPT1->ChangeNormals(); | |
1762 | TShort_Array1OfShortReal& aNormArr2 = aPT2->ChangeNormals(); | |
1763 | ||
1764 | for(Standard_Integer anEdgNode = aPTEF1->Nodes().Lower(); | |
1765 | anEdgNode <= aPTEF1->Nodes().Upper(); anEdgNode++) | |
1766 | { | |
1767 | //Number of node | |
1768 | const Standard_Integer aFNodF1 = aPTEF1->Nodes().Value(anEdgNode); | |
1769 | const Standard_Integer aFNodF2 = aPTEF2->Nodes().Value(anEdgNode); | |
1770 | ||
1771 | const Standard_Integer aFNorm1FirstIndex = aNormArr1.Lower() + 3* | |
1772 | (aFNodF1 - aPT1->Nodes().Lower()); | |
1773 | const Standard_Integer aFNorm2FirstIndex = aNormArr2.Lower() + 3* | |
1774 | (aFNodF2 - aPT2->Nodes().Lower()); | |
1775 | ||
1776 | gp_XYZ aNorm1(aNormArr1.Value(aFNorm1FirstIndex), | |
1777 | aNormArr1.Value(aFNorm1FirstIndex+1), | |
1778 | aNormArr1.Value(aFNorm1FirstIndex+2)); | |
1779 | gp_XYZ aNorm2(aNormArr2.Value(aFNorm2FirstIndex), | |
1780 | aNormArr2.Value(aFNorm2FirstIndex+1), | |
1781 | aNormArr2.Value(aFNorm2FirstIndex+2)); | |
1782 | const Standard_Real aDot = aNorm1 * aNorm2; | |
1783 | ||
1784 | if(aDot > aThresDot) | |
1785 | { | |
1786 | gp_XYZ aNewNorm = (aNorm1 + aNorm2).Normalized(); | |
1787 | aNormArr1.ChangeValue(aFNorm1FirstIndex) = | |
1788 | aNormArr2.ChangeValue(aFNorm2FirstIndex) = | |
1789 | static_cast<Standard_ShortReal>(aNewNorm.X()); | |
1790 | aNormArr1.ChangeValue(aFNorm1FirstIndex+1) = | |
1791 | aNormArr2.ChangeValue(aFNorm2FirstIndex+1) = | |
1792 | static_cast<Standard_ShortReal>(aNewNorm.Y()); | |
1793 | aNormArr1.ChangeValue(aFNorm1FirstIndex+2) = | |
1794 | aNormArr2.ChangeValue(aFNorm2FirstIndex+2) = | |
1795 | static_cast<Standard_ShortReal>(aNewNorm.Z()); | |
1796 | aRetVal = Standard_True; | |
1797 | } | |
1798 | } | |
1799 | } | |
1800 | ||
1801 | return aRetVal; | |
1802 | } | |
1803 | ||
7fd59977 | 1804 | //======================================================================= |
1805 | //function : SortFaces | |
1806 | //purpose : | |
1807 | //======================================================================= | |
1808 | ||
1809 | void BRepLib::SortFaces (const TopoDS_Shape& Sh, | |
a86d3ec0 | 1810 | TopTools_ListOfShape& LF) |
7fd59977 | 1811 | { |
1812 | LF.Clear(); | |
1813 | TopTools_ListOfShape LTri,LPlan,LCyl,LCon,LSphere,LTor,LOther; | |
1814 | TopExp_Explorer exp(Sh,TopAbs_FACE); | |
1815 | TopLoc_Location l; | |
1816 | Handle(Geom_Surface) S; | |
1817 | ||
1818 | for (; exp.More(); exp.Next()) { | |
1819 | const TopoDS_Face& F = TopoDS::Face(exp.Current()); | |
1820 | S = BRep_Tool::Surface(F, l); | |
1821 | if (!S.IsNull()) { | |
1822 | if (S->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) { | |
c5f3a425 | 1823 | S = Handle(Geom_RectangularTrimmedSurface)::DownCast (S)->BasisSurface(); |
7fd59977 | 1824 | } |
1825 | GeomAdaptor_Surface AS(S); | |
1826 | switch (AS.GetType()) { | |
1827 | case GeomAbs_Plane: | |
a86d3ec0 | 1828 | { |
1829 | LPlan.Append(F); | |
1830 | break; | |
1831 | } | |
7fd59977 | 1832 | case GeomAbs_Cylinder: |
a86d3ec0 | 1833 | { |
1834 | LCyl.Append(F); | |
1835 | break; | |
1836 | } | |
7fd59977 | 1837 | case GeomAbs_Cone: |
a86d3ec0 | 1838 | { |
1839 | LCon.Append(F); | |
1840 | break; | |
1841 | } | |
7fd59977 | 1842 | case GeomAbs_Sphere: |
a86d3ec0 | 1843 | { |
1844 | LSphere.Append(F); | |
1845 | break; | |
1846 | } | |
7fd59977 | 1847 | case GeomAbs_Torus: |
a86d3ec0 | 1848 | { |
1849 | LTor.Append(F); | |
1850 | break; | |
1851 | } | |
7fd59977 | 1852 | default: |
a86d3ec0 | 1853 | LOther.Append(F); |
7fd59977 | 1854 | } |
1855 | } | |
1856 | else LTri.Append(F); | |
1857 | } | |
1858 | LF.Append(LPlan); LF.Append(LCyl ); LF.Append(LCon); LF.Append(LSphere); | |
1859 | LF.Append(LTor ); LF.Append(LOther); LF.Append(LTri); | |
1860 | } | |
1861 | ||
1862 | //======================================================================= | |
1863 | //function : ReverseSortFaces | |
1864 | //purpose : | |
1865 | //======================================================================= | |
1866 | ||
1867 | void BRepLib::ReverseSortFaces (const TopoDS_Shape& Sh, | |
a86d3ec0 | 1868 | TopTools_ListOfShape& LF) |
7fd59977 | 1869 | { |
1870 | LF.Clear(); | |
1871 | TopTools_ListOfShape LTri,LPlan,LCyl,LCon,LSphere,LTor,LOther; | |
1872 | TopExp_Explorer exp(Sh,TopAbs_FACE); | |
1873 | TopLoc_Location l; | |
1874 | Handle(Geom_Surface) S; | |
a86d3ec0 | 1875 | |
7fd59977 | 1876 | for (; exp.More(); exp.Next()) { |
1877 | const TopoDS_Face& F = TopoDS::Face(exp.Current()); | |
1878 | S = BRep_Tool::Surface(F, l); | |
1879 | if (!S.IsNull()) { | |
1880 | if (S->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) { | |
c5f3a425 | 1881 | S = Handle(Geom_RectangularTrimmedSurface)::DownCast (S)->BasisSurface(); |
7fd59977 | 1882 | } |
1883 | GeomAdaptor_Surface AS(S); | |
1884 | switch (AS.GetType()) { | |
1885 | case GeomAbs_Plane: | |
a86d3ec0 | 1886 | { |
1887 | LPlan.Append(F); | |
1888 | break; | |
1889 | } | |
7fd59977 | 1890 | case GeomAbs_Cylinder: |
a86d3ec0 | 1891 | { |
1892 | LCyl.Append(F); | |
1893 | break; | |
1894 | } | |
7fd59977 | 1895 | case GeomAbs_Cone: |
a86d3ec0 | 1896 | { |
1897 | LCon.Append(F); | |
1898 | break; | |
1899 | } | |
7fd59977 | 1900 | case GeomAbs_Sphere: |
a86d3ec0 | 1901 | { |
1902 | LSphere.Append(F); | |
1903 | break; | |
1904 | } | |
7fd59977 | 1905 | case GeomAbs_Torus: |
a86d3ec0 | 1906 | { |
1907 | LTor.Append(F); | |
1908 | break; | |
1909 | } | |
7fd59977 | 1910 | default: |
a86d3ec0 | 1911 | LOther.Append(F); |
7fd59977 | 1912 | } |
1913 | } | |
1914 | else LTri.Append(F); | |
1915 | } | |
1916 | LF.Append(LTri); LF.Append(LOther); LF.Append(LTor ); LF.Append(LSphere); | |
1917 | LF.Append(LCon); LF.Append(LCyl ); LF.Append(LPlan); | |
7fd59977 | 1918 | |
a86d3ec0 | 1919 | } |
7fd59977 | 1920 |