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b311480e | 1 | // Created on: 1993-07-07 |
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. | |
7fd59977 | 16 | |
42cf5bc1 | 17 | |
18 | #include <BRep_Curve3D.hxx> | |
7fd59977 | 19 | #include <BRep_CurveOnClosedSurface.hxx> |
42cf5bc1 | 20 | #include <BRep_CurveOnSurface.hxx> |
21 | #include <BRep_CurveRepresentation.hxx> | |
7fd59977 | 22 | #include <BRep_ListIteratorOfListOfCurveRepresentation.hxx> |
7fd59977 | 23 | #include <BRep_ListIteratorOfListOfPointRepresentation.hxx> |
42cf5bc1 | 24 | #include <BRep_PointRepresentation.hxx> |
7fd59977 | 25 | #include <BRep_Polygon3D.hxx> |
7fd59977 | 26 | #include <BRep_PolygonOnClosedSurface.hxx> |
7fd59977 | 27 | #include <BRep_PolygonOnClosedTriangulation.hxx> |
42cf5bc1 | 28 | #include <BRep_PolygonOnSurface.hxx> |
29 | #include <BRep_PolygonOnTriangulation.hxx> | |
30 | #include <BRep_TEdge.hxx> | |
31 | #include <BRep_TFace.hxx> | |
32 | #include <BRep_Tool.hxx> | |
33 | #include <BRep_TVertex.hxx> | |
7fd59977 | 34 | #include <ElSLib.hxx> |
42cf5bc1 | 35 | #include <Geom2d_Curve.hxx> |
36 | #include <Geom2d_TrimmedCurve.hxx> | |
37 | #include <Geom2dAdaptor.hxx> | |
38 | #include <Geom_Curve.hxx> | |
39 | #include <Geom_OffsetSurface.hxx> | |
7fd59977 | 40 | #include <Geom_Plane.hxx> |
41 | #include <Geom_RectangularTrimmedSurface.hxx> | |
42cf5bc1 | 42 | #include <Geom_Surface.hxx> |
7fd59977 | 43 | #include <Geom_TrimmedCurve.hxx> |
7fd59977 | 44 | #include <GeomAdaptor_HCurve.hxx> |
45 | #include <GeomAdaptor_HSurface.hxx> | |
42cf5bc1 | 46 | #include <GeomProjLib.hxx> |
47 | #include <gp_Pnt.hxx> | |
48 | #include <gp_Pnt2d.hxx> | |
49 | #include <NCollection_IncAllocator.hxx> | |
50 | #include <NCollection_Map.hxx> | |
7fd59977 | 51 | #include <Poly_Polygon2D.hxx> |
42cf5bc1 | 52 | #include <Poly_Polygon3D.hxx> |
7fd59977 | 53 | #include <Poly_PolygonOnTriangulation.hxx> |
42cf5bc1 | 54 | #include <Poly_Triangulation.hxx> |
55 | #include <Precision.hxx> | |
56 | #include <ProjLib_ProjectedCurve.hxx> | |
57 | #include <Standard_NoSuchObject.hxx> | |
58 | #include <Standard_NullObject.hxx> | |
59 | #include <TopExp.hxx> | |
60 | #include <TopExp_Explorer.hxx> | |
61 | #include <TopLoc_Location.hxx> | |
62 | #include <TopoDS.hxx> | |
63 | #include <TopoDS_Edge.hxx> | |
64 | #include <TopoDS_Face.hxx> | |
65 | #include <TopoDS_Iterator.hxx> | |
66 | #include <TopoDS_Shape.hxx> | |
67 | #include <TopoDS_Vertex.hxx> | |
68 | #include <TopoDS_Wire.hxx> | |
69 | #include <TopTools_MapOfShape.hxx> | |
ab860031 | 70 | #include <TopTools_ShapeMapHasher.hxx> |
92efcf78 | 71 | #include <BRep_GCurve.hxx> |
ab860031 | 72 | |
7fd59977 | 73 | //modified by NIZNHY-PKV Fri Oct 17 14:13:29 2008f |
74 | static | |
75 | Standard_Boolean IsPlane(const Handle(Geom_Surface)& aS); | |
76 | //modified by NIZNHY-PKV Fri Oct 17 14:13:33 2008t | |
77 | // | |
78 | //======================================================================= | |
79 | //function : Surface | |
80 | //purpose : Returns the geometric surface of the face. Returns | |
81 | // in <L> the location for the surface. | |
82 | //======================================================================= | |
83 | ||
84 | const Handle(Geom_Surface)& BRep_Tool::Surface(const TopoDS_Face& F, | |
703a6abd | 85 | TopLoc_Location& L) |
7fd59977 | 86 | { |
87 | Handle(BRep_TFace)& TF = *((Handle(BRep_TFace)*) &F.TShape()); | |
88 | L = F.Location() * TF->Location(); | |
89 | return TF->Surface(); | |
90 | } | |
91 | ||
92 | //======================================================================= | |
93 | //function : Surface | |
94 | //purpose : Returns the geometric surface of the face. It can | |
95 | // be a copy if there is a Location. | |
96 | //======================================================================= | |
97 | ||
98 | Handle(Geom_Surface) BRep_Tool::Surface(const TopoDS_Face& F) | |
99 | { | |
100 | Handle(BRep_TFace)& TF = *((Handle(BRep_TFace)*) &F.TShape()); | |
101 | TopLoc_Location L = F.Location() * TF->Location(); | |
102 | Handle(Geom_Surface) S = TF->Surface(); | |
103 | ||
104 | if(S.IsNull()) return S; | |
105 | ||
106 | Handle(Geom_Geometry) S1; | |
107 | if (!L.IsIdentity()) { | |
108 | S1 = S->Copy(); | |
c5f3a425 | 109 | S = Handle(Geom_Surface)::DownCast (S1); |
7fd59977 | 110 | S->Transform(L.Transformation()); |
111 | } | |
112 | return S; | |
113 | } | |
114 | ||
115 | //======================================================================= | |
116 | //function : Triangulation | |
117 | //purpose : Returns the Triangulation of the face. It is a | |
118 | // null handle if there is no triangulation. | |
119 | //======================================================================= | |
120 | ||
121 | const Handle(Poly_Triangulation)& | |
122 | BRep_Tool::Triangulation(const TopoDS_Face& F, | |
703a6abd | 123 | TopLoc_Location& L) |
7fd59977 | 124 | { |
125 | L = F.Location(); | |
126 | return (*((Handle(BRep_TFace)*)&F.TShape()))->Triangulation(); | |
127 | } | |
128 | ||
129 | //======================================================================= | |
130 | //function : Tolerance | |
131 | //purpose : Returns the tolerance of the face. | |
132 | //======================================================================= | |
133 | ||
134 | Standard_Real BRep_Tool::Tolerance(const TopoDS_Face& F) | |
135 | { | |
136 | Standard_Real p = (*((Handle(BRep_TFace)*)&F.TShape()))->Tolerance(); | |
137 | Standard_Real pMin = Precision::Confusion(); | |
138 | if (p > pMin) return p; | |
139 | else return pMin; | |
140 | } | |
141 | ||
142 | //======================================================================= | |
143 | //function : NaturalRestriction | |
144 | //purpose : Returns the NaturalRestriction flag of the face. | |
145 | //======================================================================= | |
146 | ||
147 | Standard_Boolean BRep_Tool::NaturalRestriction(const TopoDS_Face& F) | |
148 | { | |
149 | return (*((Handle(BRep_TFace)*) &F.TShape()))->NaturalRestriction(); | |
150 | } | |
151 | ||
152 | //======================================================================= | |
153 | //function : Curve | |
154 | //purpose : Returns the 3D curve of the edge. May be a Null | |
155 | // handle. Returns in <L> the location for the curve. | |
156 | // In <First> and <Last> the parameter range. | |
157 | //======================================================================= | |
158 | ||
2b442de5 | 159 | static const Handle(Geom_Curve) nullCurve; |
7fd59977 | 160 | |
161 | const Handle(Geom_Curve)& BRep_Tool::Curve(const TopoDS_Edge& E, | |
703a6abd O |
162 | TopLoc_Location& L, |
163 | Standard_Real& First, | |
164 | Standard_Real& Last) | |
7fd59977 | 165 | { |
166 | // find the representation | |
167 | BRep_ListIteratorOfListOfCurveRepresentation itcr | |
168 | ((*((Handle(BRep_TEdge)*)&E.TShape()))->ChangeCurves()); | |
169 | ||
170 | while (itcr.More()) { | |
171 | const Handle(BRep_CurveRepresentation)& cr = itcr.Value(); | |
172 | if (cr->IsCurve3D()) { | |
c5f3a425 | 173 | Handle(BRep_Curve3D) GC (Handle(BRep_Curve3D)::DownCast (cr)); |
7fd59977 | 174 | L = E.Location() * GC->Location(); |
175 | GC->Range(First,Last); | |
176 | return GC->Curve3D(); | |
177 | } | |
178 | itcr.Next(); | |
179 | } | |
180 | L.Identity(); | |
181 | return nullCurve; | |
182 | } | |
183 | ||
184 | //======================================================================= | |
185 | //function : Curve | |
186 | //purpose : Returns the 3D curve of the edge. May be a Null handle. | |
187 | // In <First> and <Last> the parameter range. | |
188 | // It can be a copy if there is a Location. | |
189 | //======================================================================= | |
190 | ||
191 | Handle(Geom_Curve) BRep_Tool::Curve(const TopoDS_Edge& E, | |
703a6abd O |
192 | Standard_Real& First, |
193 | Standard_Real& Last) | |
7fd59977 | 194 | { |
195 | TopLoc_Location L; | |
196 | Handle(Geom_Curve) C = Curve(E,L,First,Last); | |
197 | if ( !C.IsNull() ) { | |
198 | Handle(Geom_Geometry) C1; | |
199 | if ( !L.IsIdentity() ) { | |
200 | C1 = C->Copy(); | |
c5f3a425 | 201 | C = Handle(Geom_Curve)::DownCast (C1); |
7fd59977 | 202 | C->Transform(L.Transformation()); |
203 | } | |
204 | } | |
205 | return C; | |
206 | } | |
207 | ||
208 | //======================================================================= | |
209 | //function : IsGeometric | |
210 | //purpose : Returns True if <E> is a 3d curve or a curve on | |
211 | // surface. | |
212 | //======================================================================= | |
213 | ||
214 | Standard_Boolean BRep_Tool::IsGeometric(const TopoDS_Edge& E) | |
215 | { | |
216 | // find the representation | |
217 | BRep_ListIteratorOfListOfCurveRepresentation itcr | |
218 | ((*((Handle(BRep_TEdge)*)&E.TShape()))->ChangeCurves()); | |
219 | ||
220 | while (itcr.More()) { | |
221 | const Handle(BRep_CurveRepresentation)& cr = itcr.Value(); | |
222 | if (cr->IsCurve3D()) { | |
223 | Standard_Real first, last; | |
224 | TopLoc_Location L; | |
225 | const Handle(Geom_Curve)& C = BRep_Tool::Curve(E, L, first, last); | |
226 | if (!C.IsNull()) return Standard_True; | |
227 | } | |
228 | else if (cr->IsCurveOnSurface()) return Standard_True; | |
229 | itcr.Next(); | |
230 | } | |
231 | return Standard_False; | |
232 | } | |
233 | ||
234 | //======================================================================= | |
235 | //function : Polygon3D | |
236 | //purpose : Returns the 3D polygon of the edge. May be a Null | |
237 | // handle. Returns in <L> the location for the polygon. | |
238 | //======================================================================= | |
239 | ||
2b442de5 S |
240 | static const Handle(Poly_Polygon3D) nullPolygon3D; |
241 | ||
7fd59977 | 242 | const Handle(Poly_Polygon3D)& BRep_Tool::Polygon3D(const TopoDS_Edge& E, |
703a6abd | 243 | TopLoc_Location& L) |
7fd59977 | 244 | { |
245 | // find the representation | |
246 | BRep_ListIteratorOfListOfCurveRepresentation itcr | |
247 | ((*((Handle(BRep_TEdge)*)&E.TShape()))->ChangeCurves()); | |
248 | ||
249 | while (itcr.More()) { | |
250 | const Handle(BRep_CurveRepresentation)& cr = itcr.Value(); | |
251 | if (cr->IsPolygon3D()) { | |
c5f3a425 | 252 | Handle(BRep_Polygon3D) GC (Handle(BRep_Polygon3D)::DownCast (cr)); |
7fd59977 | 253 | L = E.Location() * GC->Location(); |
254 | return GC->Polygon3D(); | |
255 | } | |
256 | itcr.Next(); | |
257 | } | |
258 | L.Identity(); | |
259 | return nullPolygon3D; | |
260 | } | |
261 | ||
262 | //======================================================================= | |
263 | //function : CurveOnSurface | |
264 | //purpose : Returns the curve associated to the edge in the | |
265 | // parametric space of the face. Returns a NULL | |
266 | // handle if this curve does not exist. Returns in | |
267 | // <First> and <Last> the parameter range. | |
268 | //======================================================================= | |
269 | ||
270 | Handle(Geom2d_Curve) BRep_Tool::CurveOnSurface(const TopoDS_Edge& E, | |
703a6abd O |
271 | const TopoDS_Face& F, |
272 | Standard_Real& First, | |
273 | Standard_Real& Last) | |
7fd59977 | 274 | { |
275 | TopLoc_Location l; | |
276 | const Handle(Geom_Surface)& S = BRep_Tool::Surface(F,l); | |
277 | TopoDS_Edge aLocalEdge = E; | |
278 | if (F.Orientation() == TopAbs_REVERSED) { | |
279 | aLocalEdge.Reverse(); | |
280 | // return CurveOnSurface(E,S,l,First,Last); | |
281 | } | |
282 | // return CurveOnSurface(TopoDS::Edge(E.Reversed()),S,l,First,Last); | |
283 | // else | |
284 | // return CurveOnSurface(E,S,l,First,Last); | |
285 | return CurveOnSurface(aLocalEdge,S,l,First,Last); | |
286 | } | |
287 | ||
288 | //======================================================================= | |
289 | //function : CurveOnSurface | |
290 | //purpose : Returns the curve associated to the edge in the | |
291 | // parametric space of the surface. Returns a NULL | |
292 | // handle if this curve does not exist. Returns in | |
293 | // <First> and <Last> the parameter range. | |
294 | //======================================================================= | |
295 | ||
2b442de5 | 296 | static const Handle(Geom2d_Curve) nullPCurve; |
7fd59977 | 297 | |
298 | Handle(Geom2d_Curve) BRep_Tool::CurveOnSurface(const TopoDS_Edge& E, | |
703a6abd O |
299 | const Handle(Geom_Surface)& S, |
300 | const TopLoc_Location& L, | |
301 | Standard_Real& First, | |
302 | Standard_Real& Last) | |
7fd59977 | 303 | { |
304 | TopLoc_Location loc = L.Predivided(E.Location()); | |
305 | Standard_Boolean Eisreversed = (E.Orientation() == TopAbs_REVERSED); | |
306 | ||
307 | // find the representation | |
308 | BRep_ListIteratorOfListOfCurveRepresentation itcr | |
309 | ((*((Handle(BRep_TEdge)*)&E.TShape()))->ChangeCurves()); | |
310 | ||
311 | while (itcr.More()) { | |
312 | const Handle(BRep_CurveRepresentation)& cr = itcr.Value(); | |
313 | if (cr->IsCurveOnSurface(S,loc)) { | |
c5f3a425 | 314 | Handle(BRep_GCurve) GC (Handle(BRep_GCurve)::DownCast (cr)); |
7fd59977 | 315 | GC->Range(First,Last); |
316 | if (GC->IsCurveOnClosedSurface() && Eisreversed) | |
703a6abd | 317 | return GC->PCurve2(); |
7fd59977 | 318 | else |
703a6abd | 319 | return GC->PCurve(); |
7fd59977 | 320 | } |
321 | itcr.Next(); | |
322 | } | |
7fd59977 | 323 | |
324 | // for planar surface and 3d curve try a projection | |
325 | // modif 21-05-97 : for RectangularTrimmedSurface, try a projection | |
326 | Handle(Geom_Plane) GP; | |
327 | Handle(Geom_RectangularTrimmedSurface) GRTS; | |
328 | GRTS = Handle(Geom_RectangularTrimmedSurface)::DownCast(S); | |
329 | if(!GRTS.IsNull()) | |
330 | GP = Handle(Geom_Plane)::DownCast(GRTS->BasisSurface()); | |
331 | else | |
332 | GP = Handle(Geom_Plane)::DownCast(S); | |
333 | //fin modif du 21-05-97 | |
334 | ||
bdd1223f | 335 | if (!GP.IsNull()) |
336 | { | |
703a6abd O |
337 | Handle(GeomAdaptor_HCurve) HC; |
338 | Handle(GeomAdaptor_HSurface) HS; | |
339 | ||
340 | HC = new GeomAdaptor_HCurve(); | |
341 | HS = new GeomAdaptor_HSurface(); | |
7fd59977 | 342 | |
bdd1223f | 343 | TopLoc_Location aCurveLocation; |
7fd59977 | 344 | |
0d969553 | 345 | Standard_Real f, l;// for those who call with (u,u). |
bdd1223f | 346 | Handle(Geom_Curve) C3d = BRep_Tool::Curve(E, aCurveLocation, f, l); |
7fd59977 | 347 | |
bdd1223f | 348 | if (C3d.IsNull()) |
349 | { | |
350 | return nullPCurve; | |
351 | } | |
7fd59977 | 352 | |
b7723347 | 353 | aCurveLocation = aCurveLocation.Predivided(L); |
354 | First = f; Last = l; //Range of edge must not be modified | |
7fd59977 | 355 | |
bdd1223f | 356 | if (!aCurveLocation.IsIdentity()) |
357 | { | |
358 | const gp_Trsf& T = aCurveLocation.Transformation(); | |
b7723347 | 359 | Handle(Geom_Geometry) GC3d = C3d->Transformed(T); |
c5f3a425 | 360 | C3d = Handle(Geom_Curve)::DownCast (GC3d); |
b7723347 | 361 | f = C3d->TransformedParameter(f, T); |
362 | l = C3d->TransformedParameter(l, T); | |
7fd59977 | 363 | } |
364 | GeomAdaptor_Surface& GAS = HS->ChangeSurface(); | |
b7723347 | 365 | GAS.Load(GP); |
bdd1223f | 366 | |
7fd59977 | 367 | Handle(Geom_Curve) ProjOnPlane = |
8ac0cf52 | 368 | GeomProjLib::ProjectOnPlane(new Geom_TrimmedCurve(C3d,f,l,Standard_True,Standard_False), |
b7723347 | 369 | GP, |
370 | GP->Position().Direction(), | |
703a6abd | 371 | Standard_True); |
bdd1223f | 372 | |
7fd59977 | 373 | GeomAdaptor_Curve& GAC = HC->ChangeCurve(); |
374 | GAC.Load(ProjOnPlane); | |
375 | ||
376 | ProjLib_ProjectedCurve Proj(HS,HC); | |
377 | Handle(Geom2d_Curve) pc = Geom2dAdaptor::MakeCurve(Proj); | |
378 | ||
379 | if (pc->DynamicType() == STANDARD_TYPE(Geom2d_TrimmedCurve)) { | |
380 | Handle(Geom2d_TrimmedCurve) TC = | |
c5f3a425 | 381 | Handle(Geom2d_TrimmedCurve)::DownCast (pc); |
7fd59977 | 382 | pc = TC->BasisCurve(); |
383 | } | |
b7723347 | 384 | |
7fd59977 | 385 | return pc; |
386 | } | |
387 | ||
388 | return nullPCurve; | |
389 | } | |
390 | ||
391 | //======================================================================= | |
392 | //function : CurveOnSurface | |
393 | //purpose : | |
394 | //======================================================================= | |
395 | ||
396 | void BRep_Tool::CurveOnSurface(const TopoDS_Edge& E, | |
703a6abd O |
397 | Handle(Geom2d_Curve)& C, |
398 | Handle(Geom_Surface)& S, | |
399 | TopLoc_Location& L, | |
400 | Standard_Real& First, | |
401 | Standard_Real& Last) | |
7fd59977 | 402 | { |
403 | // find the representation | |
404 | BRep_ListIteratorOfListOfCurveRepresentation itcr | |
405 | ((*((Handle(BRep_TEdge)*)&E.TShape()))->ChangeCurves()); | |
406 | ||
407 | while (itcr.More()) { | |
408 | const Handle(BRep_CurveRepresentation)& cr = itcr.Value(); | |
409 | if (cr->IsCurveOnSurface()) { | |
c5f3a425 | 410 | Handle(BRep_GCurve) GC (Handle(BRep_GCurve)::DownCast (cr)); |
7fd59977 | 411 | C = GC->PCurve(); |
412 | S = GC->Surface(); | |
413 | L = E.Location() * GC->Location(); | |
414 | GC->Range(First,Last); | |
415 | return; | |
416 | } | |
417 | itcr.Next(); | |
418 | } | |
419 | ||
420 | C = Handle(Geom2d_Curve)(); | |
421 | S = Handle(Geom_Surface)(); | |
422 | L = TopLoc_Location(); | |
423 | } | |
424 | ||
425 | //======================================================================= | |
426 | //function : CurveOnSurface | |
427 | //purpose : | |
428 | //======================================================================= | |
429 | ||
430 | void BRep_Tool::CurveOnSurface(const TopoDS_Edge& E, | |
703a6abd O |
431 | Handle(Geom2d_Curve)& C, |
432 | Handle(Geom_Surface)& S, | |
433 | TopLoc_Location& L, | |
434 | Standard_Real& First, | |
435 | Standard_Real& Last, | |
436 | const Standard_Integer Index) | |
7fd59977 | 437 | { |
438 | Standard_Integer i = 0; | |
439 | Standard_Boolean Eisreversed = (E.Orientation() == TopAbs_REVERSED); | |
440 | ||
441 | // find the representation | |
442 | BRep_ListIteratorOfListOfCurveRepresentation itcr | |
443 | ((*((Handle(BRep_TEdge)*)&E.TShape()))->ChangeCurves()); | |
444 | ||
445 | while (itcr.More()) { | |
446 | const Handle(BRep_CurveRepresentation)& cr = itcr.Value(); | |
447 | if (cr->IsCurveOnSurface()) { | |
c5f3a425 | 448 | Handle(BRep_GCurve) GC (Handle(BRep_GCurve)::DownCast (cr)); |
7fd59977 | 449 | i++; |
450 | if (i > Index) break; | |
451 | if (i == Index) { | |
703a6abd | 452 | // JMB le 21 Mai 1999 |
0d969553 Y |
453 | // it is done as in the other CurveOnSurface methods, ie. take into account |
454 | // the orientation in case of cut edges (return PCurve2) | |
455 | // otherwise there is a risk to loop curves or to not get the prover one. | |
703a6abd O |
456 | if (GC->IsCurveOnClosedSurface() && Eisreversed) |
457 | C = GC->PCurve2(); | |
458 | else | |
459 | C = GC->PCurve(); | |
460 | S = GC->Surface(); | |
461 | L = E.Location() * GC->Location(); | |
462 | GC->Range(First,Last); | |
463 | return; | |
7fd59977 | 464 | } |
465 | } | |
466 | itcr.Next(); | |
467 | } | |
468 | ||
469 | C = Handle(Geom2d_Curve)(); | |
470 | S = Handle(Geom_Surface)(); | |
471 | L = TopLoc_Location(); | |
472 | } | |
473 | ||
474 | //======================================================================= | |
475 | //function : PolygonOnSurface | |
476 | //purpose : Returns the polygon associated to the edge in the | |
477 | // parametric space of the face. Returns a NULL | |
478 | // handle if this polygon does not exist. | |
479 | //======================================================================= | |
480 | ||
481 | Handle(Poly_Polygon2D) BRep_Tool::PolygonOnSurface(const TopoDS_Edge& E, | |
703a6abd | 482 | const TopoDS_Face& F) |
7fd59977 | 483 | { |
484 | TopLoc_Location l; | |
485 | const Handle(Geom_Surface)& S = BRep_Tool::Surface(F,l); | |
486 | TopoDS_Edge aLocalEdge = E; | |
487 | if (F.Orientation() == TopAbs_REVERSED) { | |
488 | aLocalEdge.Reverse(); | |
489 | // return PolygonOnSurface(E,S,l); | |
490 | } | |
491 | // return PolygonOnSurface(TopoDS::Edge(E.Reversed()),S,l); | |
492 | // else | |
493 | // return PolygonOnSurface(E,S,l); | |
494 | return PolygonOnSurface(aLocalEdge,S,l); | |
495 | } | |
496 | ||
497 | //======================================================================= | |
498 | //function : PolygonOnSurface | |
499 | //purpose : Returns the polygon associated to the edge in the | |
500 | // parametric space of the surface. Returns a NULL | |
501 | // handle if this polygon does not exist. | |
502 | //======================================================================= | |
503 | ||
2b442de5 | 504 | static const Handle(Poly_Polygon2D) nullPolygon2D; |
7fd59977 | 505 | |
506 | Handle(Poly_Polygon2D) | |
507 | BRep_Tool::PolygonOnSurface(const TopoDS_Edge& E, | |
703a6abd O |
508 | const Handle(Geom_Surface)& S, |
509 | const TopLoc_Location& L) | |
7fd59977 | 510 | { |
511 | TopLoc_Location l = L.Predivided(E.Location()); | |
512 | Standard_Boolean Eisreversed = (E.Orientation() == TopAbs_REVERSED); | |
513 | ||
514 | // find the representation | |
515 | BRep_ListIteratorOfListOfCurveRepresentation itcr | |
516 | ((*((Handle(BRep_TEdge)*)&E.TShape()))->ChangeCurves()); | |
517 | ||
518 | while (itcr.More()) { | |
519 | const Handle(BRep_CurveRepresentation)& cr = itcr.Value(); | |
520 | if (cr->IsPolygonOnSurface(S,l)) { | |
521 | if (cr->IsPolygonOnClosedSurface() && Eisreversed ) | |
703a6abd | 522 | return cr->Polygon2(); |
7fd59977 | 523 | else |
703a6abd | 524 | return cr->Polygon(); |
7fd59977 | 525 | } |
526 | itcr.Next(); | |
527 | } | |
528 | ||
529 | return nullPolygon2D; | |
530 | } | |
531 | ||
532 | //======================================================================= | |
533 | //function : PolygonOnSurface | |
534 | //purpose : | |
535 | //======================================================================= | |
536 | ||
537 | void BRep_Tool::PolygonOnSurface(const TopoDS_Edge& E, | |
703a6abd O |
538 | Handle(Poly_Polygon2D)& P, |
539 | Handle(Geom_Surface)& S, | |
540 | TopLoc_Location& L) | |
7fd59977 | 541 | { |
542 | // find the representation | |
543 | BRep_ListIteratorOfListOfCurveRepresentation itcr | |
544 | ((*((Handle(BRep_TEdge)*)&E.TShape()))->ChangeCurves()); | |
545 | ||
546 | while (itcr.More()) { | |
547 | const Handle(BRep_CurveRepresentation)& cr = itcr.Value(); | |
548 | if (cr->IsPolygonOnSurface()) { | |
c5f3a425 | 549 | Handle(BRep_PolygonOnSurface) PS (Handle(BRep_PolygonOnSurface)::DownCast (cr)); |
7fd59977 | 550 | P = PS->Polygon(); |
551 | S = PS->Surface(); | |
552 | L = E.Location() * PS->Location(); | |
553 | return; | |
554 | } | |
555 | itcr.Next(); | |
556 | } | |
557 | ||
558 | L = TopLoc_Location(); | |
559 | P = Handle(Poly_Polygon2D)(); | |
560 | S = Handle(Geom_Surface)(); | |
561 | } | |
562 | ||
563 | //======================================================================= | |
564 | //function : PolygonOnSurface | |
565 | //purpose : | |
566 | //======================================================================= | |
567 | ||
568 | void BRep_Tool::PolygonOnSurface(const TopoDS_Edge& E, | |
703a6abd O |
569 | Handle(Poly_Polygon2D)& P, |
570 | Handle(Geom_Surface)& S, | |
571 | TopLoc_Location& L, | |
572 | const Standard_Integer Index) | |
7fd59977 | 573 | { |
574 | Standard_Integer i = 0; | |
575 | ||
576 | // find the representation | |
577 | BRep_ListIteratorOfListOfCurveRepresentation itcr | |
578 | ((*((Handle(BRep_TEdge)*)&E.TShape()))->ChangeCurves()); | |
579 | ||
580 | while (itcr.More()) { | |
581 | const Handle(BRep_CurveRepresentation)& cr = itcr.Value(); | |
582 | if (cr->IsPolygonOnSurface()) { | |
c5f3a425 | 583 | Handle(BRep_PolygonOnSurface) PS (Handle(BRep_PolygonOnSurface)::DownCast (cr)); |
7fd59977 | 584 | i++; |
585 | if (i > Index) break; | |
586 | if (i == Index) { | |
703a6abd O |
587 | P = PS->Polygon(); |
588 | S = PS->Surface(); | |
589 | L = E.Location() * PS->Location(); | |
590 | return; | |
7fd59977 | 591 | } |
592 | } | |
593 | itcr.Next(); | |
594 | } | |
595 | ||
596 | L = TopLoc_Location(); | |
597 | P = Handle(Poly_Polygon2D)(); | |
598 | S = Handle(Geom_Surface)(); | |
599 | } | |
600 | ||
601 | //======================================================================= | |
602 | //function : PolygonOnTriangulation | |
603 | //purpose : Returns the polygon associated to the edge in the | |
604 | // parametric space of the face. Returns a NULL | |
605 | // handle if this polygon does not exist. | |
606 | //======================================================================= | |
607 | ||
2b442de5 | 608 | static const Handle(Poly_PolygonOnTriangulation) nullArray; |
7fd59977 | 609 | |
610 | const Handle(Poly_PolygonOnTriangulation)& | |
611 | BRep_Tool::PolygonOnTriangulation(const TopoDS_Edge& E, | |
703a6abd O |
612 | const Handle(Poly_Triangulation)& T, |
613 | const TopLoc_Location& L) | |
7fd59977 | 614 | { |
615 | TopLoc_Location l = L.Predivided(E.Location()); | |
616 | Standard_Boolean Eisreversed = (E.Orientation() == TopAbs_REVERSED); | |
617 | ||
618 | // find the representation | |
619 | BRep_ListIteratorOfListOfCurveRepresentation itcr | |
620 | ((*((Handle(BRep_TEdge)*)&E.TShape()))->ChangeCurves()); | |
621 | ||
622 | while (itcr.More()) { | |
623 | const Handle(BRep_CurveRepresentation)& cr = itcr.Value(); | |
624 | if ( cr->IsPolygonOnTriangulation(T,l)) { | |
625 | if ( cr->IsPolygonOnClosedTriangulation() && Eisreversed ) | |
703a6abd | 626 | return cr->PolygonOnTriangulation2(); |
7fd59977 | 627 | else |
703a6abd | 628 | return cr->PolygonOnTriangulation(); |
7fd59977 | 629 | } |
630 | itcr.Next(); | |
631 | } | |
632 | ||
633 | return nullArray; | |
634 | } | |
635 | ||
636 | //======================================================================= | |
637 | //function : PolygonOnTriangulation | |
638 | //purpose : | |
639 | //======================================================================= | |
640 | ||
641 | void | |
642 | BRep_Tool::PolygonOnTriangulation(const TopoDS_Edge& E, | |
703a6abd O |
643 | Handle(Poly_PolygonOnTriangulation)& P, |
644 | Handle(Poly_Triangulation)& T, | |
645 | TopLoc_Location& L) | |
7fd59977 | 646 | { |
647 | // find the representation | |
648 | BRep_ListIteratorOfListOfCurveRepresentation itcr | |
649 | ((*((Handle(BRep_TEdge)*)&E.TShape()))->ChangeCurves()); | |
650 | ||
651 | while (itcr.More()) { | |
652 | const Handle(BRep_CurveRepresentation)& cr = itcr.Value(); | |
653 | if (cr->IsPolygonOnTriangulation()) { | |
c5f3a425 | 654 | Handle(BRep_PolygonOnTriangulation) PT (Handle(BRep_PolygonOnTriangulation)::DownCast (cr)); |
7fd59977 | 655 | P = PT->PolygonOnTriangulation(); |
656 | T = PT->Triangulation(); | |
657 | L = E.Location() * PT->Location(); | |
658 | return; | |
659 | } | |
660 | itcr.Next(); | |
661 | } | |
662 | ||
663 | L = TopLoc_Location(); | |
664 | P = Handle(Poly_PolygonOnTriangulation)(); | |
665 | T = Handle(Poly_Triangulation)(); | |
666 | } | |
667 | ||
668 | //======================================================================= | |
669 | //function : PolygonOnTriangulation | |
670 | //purpose : | |
671 | //======================================================================= | |
672 | ||
673 | void | |
674 | BRep_Tool::PolygonOnTriangulation(const TopoDS_Edge& E, | |
703a6abd O |
675 | Handle(Poly_PolygonOnTriangulation)& P, |
676 | Handle(Poly_Triangulation)& T, | |
677 | TopLoc_Location& L, | |
678 | const Standard_Integer Index) | |
7fd59977 | 679 | { |
680 | Standard_Integer i = 0; | |
681 | ||
682 | // find the representation | |
683 | BRep_ListIteratorOfListOfCurveRepresentation itcr | |
684 | ((*((Handle(BRep_TEdge)*)&E.TShape()))->ChangeCurves()); | |
685 | ||
686 | while (itcr.More()) { | |
687 | const Handle(BRep_CurveRepresentation)& cr = itcr.Value(); | |
688 | if (cr->IsPolygonOnTriangulation()) { | |
c5f3a425 | 689 | Handle(BRep_PolygonOnTriangulation) PT (Handle(BRep_PolygonOnTriangulation)::DownCast (cr)); |
7fd59977 | 690 | i++; |
691 | if (i > Index) break; | |
692 | if (i == Index) { | |
703a6abd O |
693 | T = PT->Triangulation(); |
694 | P = PT->PolygonOnTriangulation(); | |
695 | L = E.Location() * PT->Location(); | |
696 | return; | |
7fd59977 | 697 | } |
698 | } | |
699 | itcr.Next(); | |
700 | } | |
701 | ||
702 | L = TopLoc_Location(); | |
703 | P = Handle(Poly_PolygonOnTriangulation)(); | |
704 | T = Handle(Poly_Triangulation)(); | |
705 | } | |
706 | ||
707 | //======================================================================= | |
708 | //function : IsClosed | |
709 | //purpose : Returns True if <E> has two PCurves in the | |
710 | // parametric space of <F>. i.e. <F> is on a closed | |
711 | // surface and <E> is on the closing curve. | |
712 | //======================================================================= | |
713 | ||
714 | Standard_Boolean BRep_Tool::IsClosed(const TopoDS_Edge& E, | |
703a6abd | 715 | const TopoDS_Face& F) |
7fd59977 | 716 | { |
717 | TopLoc_Location l; | |
718 | const Handle(Geom_Surface)& S = BRep_Tool::Surface(F,l); | |
719 | if (IsClosed(E,S,l)) return Standard_True; | |
ff0a70a1 | 720 | const Handle(Poly_Triangulation)& T = BRep_Tool::Triangulation(F,l); |
721 | return IsClosed(E, T, l); | |
7fd59977 | 722 | } |
723 | ||
724 | //======================================================================= | |
725 | //function : IsClosed | |
726 | //purpose : Returns True if <E> has two PCurves in the | |
727 | // parametric space of <S>. i.e. <S> is a closed | |
728 | // surface and <E> is on the closing curve. | |
729 | //======================================================================= | |
730 | ||
731 | Standard_Boolean BRep_Tool::IsClosed(const TopoDS_Edge& E, | |
703a6abd O |
732 | const Handle(Geom_Surface)& S, |
733 | const TopLoc_Location& L) | |
7fd59977 | 734 | { |
735 | //modified by NIZNHY-PKV Fri Oct 17 12:16:58 2008f | |
736 | if (IsPlane(S)) { | |
737 | return Standard_False; | |
738 | } | |
739 | //modified by NIZNHY-PKV Fri Oct 17 12:16:54 2008t | |
740 | // | |
741 | TopLoc_Location l = L.Predivided(E.Location()); | |
742 | ||
743 | // find the representation | |
744 | BRep_ListIteratorOfListOfCurveRepresentation itcr | |
745 | ((*((Handle(BRep_TEdge)*)&E.TShape()))->ChangeCurves()); | |
746 | ||
747 | while (itcr.More()) { | |
748 | const Handle(BRep_CurveRepresentation)& cr = itcr.Value(); | |
749 | if (cr->IsCurveOnSurface(S,l) && | |
703a6abd | 750 | cr->IsCurveOnClosedSurface()) |
7fd59977 | 751 | return Standard_True; |
752 | itcr.Next(); | |
753 | } | |
754 | return Standard_False; | |
755 | } | |
756 | ||
757 | //======================================================================= | |
758 | //function : IsClosed | |
759 | //purpose : Returns True if <E> has two arrays of indices in | |
760 | // the triangulation <T>. | |
761 | //======================================================================= | |
762 | ||
763 | Standard_Boolean BRep_Tool::IsClosed(const TopoDS_Edge& E, | |
ff0a70a1 | 764 | const Handle(Poly_Triangulation)& T, |
765 | const TopLoc_Location& L) | |
7fd59977 | 766 | { |
ff0a70a1 | 767 | TopLoc_Location l = L.Predivided(E.Location()); |
7fd59977 | 768 | |
769 | // find the representation | |
770 | BRep_ListIteratorOfListOfCurveRepresentation itcr | |
771 | ((*((Handle(BRep_TEdge)*)&E.TShape()))->ChangeCurves()); | |
772 | ||
773 | while (itcr.More()) { | |
774 | const Handle(BRep_CurveRepresentation)& cr = itcr.Value(); | |
775 | if (cr->IsPolygonOnTriangulation(T,l) && | |
703a6abd | 776 | cr->IsPolygonOnClosedTriangulation()) |
7fd59977 | 777 | return Standard_True; |
778 | itcr.Next(); | |
779 | } | |
780 | return Standard_False; | |
781 | } | |
782 | ||
783 | //======================================================================= | |
784 | //function : Tolerance | |
785 | //purpose : Returns the tolerance for <E>. | |
786 | //======================================================================= | |
787 | ||
788 | Standard_Real BRep_Tool::Tolerance(const TopoDS_Edge& E) | |
789 | { | |
790 | Standard_Real p = (*((Handle(BRep_TEdge)*)&E.TShape()))->Tolerance(); | |
791 | Standard_Real pMin = Precision::Confusion(); | |
792 | if (p > pMin) return p; | |
793 | else return pMin; | |
794 | } | |
795 | ||
796 | //======================================================================= | |
797 | //function : SameParameter | |
798 | //purpose : Returns the SameParameter flag for the edge. | |
799 | //======================================================================= | |
800 | ||
801 | Standard_Boolean BRep_Tool::SameParameter(const TopoDS_Edge& E) | |
802 | { | |
803 | return (*((Handle(BRep_TEdge)*)&E.TShape()))->SameParameter(); | |
804 | } | |
805 | ||
806 | //======================================================================= | |
807 | //function : SameRange | |
808 | //purpose : Returns the SameRange flag for the edge. | |
809 | //======================================================================= | |
810 | ||
811 | Standard_Boolean BRep_Tool::SameRange(const TopoDS_Edge& E) | |
812 | { | |
813 | return (*((Handle(BRep_TEdge)*)&E.TShape()))->SameRange(); | |
814 | } | |
815 | ||
816 | //======================================================================= | |
817 | //function : Degenerated | |
818 | //purpose : Returns True if the edge is degenerated. | |
819 | //======================================================================= | |
820 | ||
821 | Standard_Boolean BRep_Tool::Degenerated(const TopoDS_Edge& E) | |
822 | { | |
823 | return (*((Handle(BRep_TEdge)*)&E.TShape()))->Degenerated(); | |
824 | } | |
825 | ||
826 | //======================================================================= | |
827 | //function : Range | |
828 | //purpose : | |
829 | //======================================================================= | |
830 | ||
831 | void BRep_Tool::Range(const TopoDS_Edge& E, | |
703a6abd O |
832 | Standard_Real& First, |
833 | Standard_Real& Last) | |
7fd59977 | 834 | { |
835 | // set the range to all the representations | |
836 | BRep_ListIteratorOfListOfCurveRepresentation itcr | |
837 | ((*((Handle(BRep_TEdge)*)&E.TShape()))->ChangeCurves()); | |
838 | ||
839 | while (itcr.More()) { | |
840 | const Handle(BRep_CurveRepresentation)& cr = itcr.Value(); | |
841 | if (cr->IsCurve3D()) { | |
c5f3a425 | 842 | Handle(BRep_Curve3D) CR (Handle(BRep_Curve3D)::DownCast (cr)); |
7fd59977 | 843 | if (!CR->Curve3D().IsNull()) { |
703a6abd O |
844 | First = CR->First(); |
845 | Last = CR->Last(); | |
846 | break; | |
7fd59977 | 847 | } |
848 | } | |
849 | else if (cr->IsCurveOnSurface()) { | |
c5f3a425 | 850 | Handle(BRep_GCurve) CR (Handle(BRep_GCurve)::DownCast (cr)); |
7fd59977 | 851 | First = CR->First(); |
852 | Last = CR->Last(); | |
853 | break; | |
854 | } | |
855 | itcr.Next(); | |
856 | } | |
857 | } | |
858 | ||
859 | //======================================================================= | |
860 | //function : Range | |
861 | //purpose : | |
862 | //======================================================================= | |
863 | ||
864 | void BRep_Tool::Range(const TopoDS_Edge& E, | |
703a6abd O |
865 | const Handle(Geom_Surface)& S, |
866 | const TopLoc_Location& L, | |
867 | Standard_Real& First, | |
868 | Standard_Real& Last) | |
7fd59977 | 869 | { |
870 | TopLoc_Location l = L.Predivided(E.Location()); | |
871 | ||
872 | // find the representation | |
873 | BRep_ListIteratorOfListOfCurveRepresentation itcr | |
874 | ((*((Handle(BRep_TEdge)*)&E.TShape()))->ChangeCurves()); | |
875 | ||
876 | while (itcr.More()) { | |
877 | const Handle(BRep_CurveRepresentation)& cr = itcr.Value(); | |
878 | if (cr->IsCurveOnSurface(S,l)) { | |
c5f3a425 | 879 | Handle(BRep_GCurve)::DownCast (cr)->Range(First,Last); |
7fd59977 | 880 | break; |
881 | } | |
882 | itcr.Next(); | |
883 | } | |
884 | if (!itcr.More()) { | |
885 | Range(E,First,Last); | |
886 | } | |
887 | (*((Handle(BRep_TEdge)*)&E.TShape()))->Modified(Standard_True); | |
888 | } | |
889 | ||
890 | //======================================================================= | |
891 | //function : Range | |
892 | //purpose : | |
893 | //======================================================================= | |
894 | ||
895 | void BRep_Tool::Range(const TopoDS_Edge& E, | |
703a6abd O |
896 | const TopoDS_Face& F, |
897 | Standard_Real& First, | |
898 | Standard_Real& Last) | |
7fd59977 | 899 | { |
900 | TopLoc_Location L; | |
901 | const Handle(Geom_Surface)& S = BRep_Tool::Surface(F,L); | |
902 | Range(E,S,L,First,Last); | |
903 | } | |
904 | ||
905 | //======================================================================= | |
906 | //function : UVPoints | |
907 | //purpose : | |
908 | //======================================================================= | |
909 | ||
910 | void BRep_Tool::UVPoints(const TopoDS_Edge& E, | |
703a6abd O |
911 | const Handle(Geom_Surface)& S, |
912 | const TopLoc_Location& L, | |
913 | gp_Pnt2d& PFirst, | |
914 | gp_Pnt2d& PLast) | |
7fd59977 | 915 | { |
916 | TopLoc_Location l = L.Predivided(E.Location()); | |
917 | Standard_Boolean Eisreversed = (E.Orientation() == TopAbs_REVERSED); | |
918 | ||
919 | // find the representation | |
920 | BRep_ListIteratorOfListOfCurveRepresentation itcr | |
921 | ((*((Handle(BRep_TEdge)*)&E.TShape()))->ChangeCurves()); | |
922 | ||
923 | while (itcr.More()) { | |
924 | const Handle(BRep_CurveRepresentation)& cr = itcr.Value(); | |
925 | if (cr->IsCurveOnSurface(S,l)) { | |
926 | if (cr->IsCurveOnClosedSurface() && Eisreversed) | |
c5f3a425 | 927 | Handle(BRep_CurveOnClosedSurface)::DownCast (cr)->UVPoints2(PFirst,PLast); |
7fd59977 | 928 | else |
c5f3a425 | 929 | Handle(BRep_CurveOnSurface)::DownCast (cr)->UVPoints(PFirst,PLast); |
7fd59977 | 930 | return; |
931 | } | |
932 | itcr.Next(); | |
933 | } | |
934 | ||
935 | // for planar surface project the vertices | |
936 | // modif 21-05-97 : for RectangularTrimmedSurface, project the vertices | |
937 | Handle(Geom_Plane) GP; | |
938 | Handle(Geom_RectangularTrimmedSurface) GRTS; | |
939 | GRTS = Handle(Geom_RectangularTrimmedSurface)::DownCast(S); | |
940 | if(!GRTS.IsNull()) | |
941 | GP = Handle(Geom_Plane)::DownCast(GRTS->BasisSurface()); | |
942 | else | |
943 | GP = Handle(Geom_Plane)::DownCast(S); | |
944 | //fin modif du 21-05-97 | |
945 | if (!GP.IsNull()) { | |
946 | // get the two vertices | |
947 | TopoDS_Vertex Vf,Vl; | |
948 | TopExp::Vertices(E,Vf,Vl); | |
949 | ||
950 | TopLoc_Location Linverted = L.Inverted(); | |
951 | Vf.Move(Linverted); | |
952 | Vl.Move(Linverted); | |
953 | Standard_Real u,v; | |
954 | gp_Pln pln = GP->Pln(); | |
955 | ||
956 | u=v=0.; | |
957 | if (!Vf.IsNull()) { | |
958 | gp_Pnt PF = BRep_Tool::Pnt(Vf); | |
959 | ElSLib::Parameters(pln,PF,u,v); | |
960 | } | |
961 | PFirst.SetCoord(u,v); | |
962 | ||
963 | u=v=0.; | |
964 | if (!Vl.IsNull()) { | |
965 | gp_Pnt PL = BRep_Tool::Pnt(Vl); | |
966 | ElSLib::Parameters(pln,PL,u,v); | |
967 | } | |
968 | PLast.SetCoord(u,v); | |
969 | } | |
970 | } | |
971 | ||
972 | //======================================================================= | |
973 | //function : UVPoints | |
974 | //purpose : | |
975 | //======================================================================= | |
976 | ||
977 | void BRep_Tool::UVPoints(const TopoDS_Edge& E, | |
703a6abd O |
978 | const TopoDS_Face& F, |
979 | gp_Pnt2d& PFirst, | |
980 | gp_Pnt2d& PLast) | |
7fd59977 | 981 | { |
982 | TopLoc_Location L; | |
983 | const Handle(Geom_Surface)& S = BRep_Tool::Surface(F,L); | |
984 | TopoDS_Edge aLocalEdge = E; | |
985 | if (F.Orientation() == TopAbs_REVERSED) { | |
986 | aLocalEdge.Reverse(); | |
987 | // UVPoints(E,S,L,PFirst,PLast); | |
988 | } | |
989 | // UVPoints(TopoDS::Edge(E.Reversed()),S,L,PFirst,PLast); | |
990 | // else | |
991 | // UVPoints(E,S,L,PFirst,PLast); | |
992 | UVPoints(aLocalEdge,S,L,PFirst,PLast); | |
993 | } | |
994 | ||
995 | //======================================================================= | |
996 | //function : SetUVPoints | |
997 | //purpose : | |
998 | //======================================================================= | |
999 | ||
1000 | void BRep_Tool::SetUVPoints(const TopoDS_Edge& E, | |
703a6abd O |
1001 | const Handle(Geom_Surface)& S, |
1002 | const TopLoc_Location& L, | |
1003 | const gp_Pnt2d& PFirst, | |
1004 | const gp_Pnt2d& PLast) | |
7fd59977 | 1005 | { |
1006 | TopLoc_Location l = L.Predivided(E.Location()); | |
1007 | Standard_Boolean Eisreversed = (E.Orientation() == TopAbs_REVERSED); | |
1008 | ||
1009 | // find the representation | |
1010 | BRep_ListIteratorOfListOfCurveRepresentation itcr | |
1011 | ((*((Handle(BRep_TEdge)*)&E.TShape()))->ChangeCurves()); | |
1012 | ||
1013 | while (itcr.More()) { | |
1014 | const Handle(BRep_CurveRepresentation)& cr = itcr.Value(); | |
1015 | if (cr->IsCurveOnSurface(S,l)) { | |
1016 | if (cr->IsCurveOnClosedSurface() && Eisreversed) | |
c5f3a425 | 1017 | Handle(BRep_CurveOnClosedSurface)::DownCast (cr)-> |
703a6abd | 1018 | SetUVPoints2(PFirst,PLast); |
7fd59977 | 1019 | else |
c5f3a425 | 1020 | Handle(BRep_CurveOnSurface)::DownCast (cr)-> |
703a6abd | 1021 | SetUVPoints(PFirst,PLast); |
7fd59977 | 1022 | } |
1023 | itcr.Next(); | |
1024 | } | |
1025 | } | |
1026 | ||
1027 | //======================================================================= | |
1028 | //function : SetUVPoints | |
1029 | //purpose : | |
1030 | //======================================================================= | |
1031 | ||
1032 | void BRep_Tool::SetUVPoints(const TopoDS_Edge& E, | |
703a6abd O |
1033 | const TopoDS_Face& F, |
1034 | const gp_Pnt2d& PFirst, | |
1035 | const gp_Pnt2d& PLast) | |
7fd59977 | 1036 | { |
1037 | TopLoc_Location L; | |
1038 | const Handle(Geom_Surface)& S = BRep_Tool::Surface(F,L); | |
1039 | TopoDS_Edge aLocalEdge = E; | |
1040 | if (F.Orientation() == TopAbs_REVERSED) { | |
1041 | aLocalEdge.Reverse(); | |
1042 | // SetUVPoints(TopoDS::Edge(E.Reversed()),S,L,PFirst,PLast); | |
1043 | } | |
1044 | // else | |
1045 | // SetUVPoints(E,S,L,PFirst,PLast); | |
1046 | SetUVPoints(aLocalEdge,S,L,PFirst,PLast); | |
1047 | } | |
1048 | ||
1049 | //======================================================================= | |
1050 | //function : HasContinuity | |
1051 | //purpose : Returns True if the edge is on the surfaces of the | |
1052 | // two faces. | |
1053 | //======================================================================= | |
1054 | ||
1055 | Standard_Boolean BRep_Tool::HasContinuity(const TopoDS_Edge& E, | |
703a6abd O |
1056 | const TopoDS_Face& F1, |
1057 | const TopoDS_Face& F2) | |
7fd59977 | 1058 | { |
1059 | TopLoc_Location l1,l2; | |
1060 | const Handle(Geom_Surface)& S1 = BRep_Tool::Surface(F1,l1); | |
1061 | const Handle(Geom_Surface)& S2 = BRep_Tool::Surface(F2,l2); | |
1062 | return HasContinuity(E,S1,S2,l1,l2); | |
1063 | } | |
1064 | ||
1065 | //======================================================================= | |
1066 | //function : Continuity | |
1067 | //purpose : Returns the continuity. | |
1068 | //======================================================================= | |
1069 | ||
1070 | GeomAbs_Shape BRep_Tool::Continuity(const TopoDS_Edge& E, | |
703a6abd O |
1071 | const TopoDS_Face& F1, |
1072 | const TopoDS_Face& F2) | |
7fd59977 | 1073 | { |
1074 | TopLoc_Location l1,l2; | |
1075 | const Handle(Geom_Surface)& S1 = BRep_Tool::Surface(F1,l1); | |
1076 | const Handle(Geom_Surface)& S2 = BRep_Tool::Surface(F2,l2); | |
1077 | return Continuity(E,S1,S2,l1,l2); | |
1078 | } | |
1079 | ||
1080 | //======================================================================= | |
1081 | //function : HasContinuity | |
1082 | //purpose : Returns True if the edge is on the surfaces. | |
1083 | //======================================================================= | |
1084 | ||
1085 | Standard_Boolean BRep_Tool::HasContinuity(const TopoDS_Edge& E, | |
703a6abd O |
1086 | const Handle(Geom_Surface)& S1, |
1087 | const Handle(Geom_Surface)& S2, | |
1088 | const TopLoc_Location& L1, | |
1089 | const TopLoc_Location& L2) | |
7fd59977 | 1090 | { |
1091 | const TopLoc_Location& Eloc = E.Location(); | |
1092 | TopLoc_Location l1 = L1.Predivided(Eloc); | |
1093 | TopLoc_Location l2 = L2.Predivided(Eloc); | |
1094 | ||
1095 | // find the representation | |
1096 | BRep_ListIteratorOfListOfCurveRepresentation itcr | |
1097 | ((*((Handle(BRep_TEdge)*)&E.TShape()))->ChangeCurves()); | |
1098 | ||
1099 | while (itcr.More()) { | |
1100 | const Handle(BRep_CurveRepresentation)& cr = itcr.Value(); | |
1101 | if (cr->IsRegularity(S1,S2,l1,l2)) | |
1102 | return Standard_True; | |
1103 | itcr.Next(); | |
1104 | } | |
1105 | return Standard_False; | |
1106 | } | |
1107 | ||
1108 | //======================================================================= | |
1109 | //function : Continuity | |
1110 | //purpose : Returns the continuity. | |
1111 | //======================================================================= | |
1112 | ||
1113 | GeomAbs_Shape BRep_Tool::Continuity(const TopoDS_Edge& E, | |
703a6abd O |
1114 | const Handle(Geom_Surface)& S1, |
1115 | const Handle(Geom_Surface)& S2, | |
1116 | const TopLoc_Location& L1, | |
1117 | const TopLoc_Location& L2) | |
7fd59977 | 1118 | { |
1119 | TopLoc_Location l1 = L1.Predivided(E.Location()); | |
1120 | TopLoc_Location l2 = L2.Predivided(E.Location()); | |
1121 | ||
1122 | // find the representation | |
1123 | BRep_ListIteratorOfListOfCurveRepresentation itcr | |
1124 | ((*((Handle(BRep_TEdge)*)&E.TShape()))->ChangeCurves()); | |
1125 | ||
1126 | while (itcr.More()) { | |
1127 | const Handle(BRep_CurveRepresentation)& cr = itcr.Value(); | |
1128 | if (cr->IsRegularity(S1,S2,l1,l2)) | |
1129 | return cr->Continuity(); | |
1130 | itcr.Next(); | |
1131 | } | |
1132 | return GeomAbs_C0; | |
1133 | } | |
1134 | ||
bda83605 | 1135 | //======================================================================= |
1136 | //function : HasContinuity | |
1137 | //purpose : Returns True if the edge is on some two surfaces. | |
1138 | //======================================================================= | |
1139 | ||
1140 | Standard_Boolean BRep_Tool::HasContinuity(const TopoDS_Edge& E) | |
1141 | { | |
1142 | BRep_ListIteratorOfListOfCurveRepresentation itcr | |
1143 | ((*((Handle(BRep_TEdge)*)&E.TShape()))->Curves()); | |
1144 | ||
1145 | for (; itcr.More(); itcr.Next()) | |
1146 | { | |
1147 | const Handle(BRep_CurveRepresentation)& CR = itcr.Value(); | |
1148 | if (CR->IsRegularity()) | |
1149 | return Standard_True; | |
1150 | } | |
1151 | return Standard_False; | |
1152 | } | |
1153 | ||
7fd59977 | 1154 | //======================================================================= |
1155 | //function : Pnt | |
1156 | //purpose : Returns the 3d point. | |
1157 | //======================================================================= | |
1158 | ||
1159 | gp_Pnt BRep_Tool::Pnt(const TopoDS_Vertex& V) | |
1160 | { | |
1161 | Handle(BRep_TVertex)& TV = *((Handle(BRep_TVertex)*) &V.TShape()); | |
46aed280 | 1162 | |
1163 | if (TV.IsNull()) | |
1164 | { | |
1165 | Standard_NullObject::Raise("BRep_Tool:: TopoDS_Vertex hasn't gp_Pnt"); | |
1166 | } | |
1167 | ||
7fd59977 | 1168 | gp_Pnt P = TV->Pnt(); |
1169 | P.Transform(V.Location().Transformation()); | |
1170 | return P; | |
1171 | } | |
1172 | ||
1173 | //======================================================================= | |
1174 | //function : Tolerance | |
1175 | //purpose : Returns the tolerance. | |
1176 | //======================================================================= | |
1177 | ||
1178 | Standard_Real BRep_Tool::Tolerance(const TopoDS_Vertex& V) | |
1179 | { | |
46aed280 | 1180 | Handle(BRep_TVertex)& aTVert = *((Handle(BRep_TVertex)*)&V.TShape()); |
1181 | ||
1182 | if (aTVert.IsNull()) | |
1183 | { | |
1184 | Standard_NullObject::Raise("BRep_Tool:: TopoDS_Vertex hasn't gp_Pnt"); | |
1185 | } | |
1186 | ||
1187 | Standard_Real p = aTVert->Tolerance(); | |
7fd59977 | 1188 | Standard_Real pMin = Precision::Confusion(); |
1189 | if (p > pMin) return p; | |
1190 | else return pMin; | |
1191 | } | |
1192 | ||
1193 | //======================================================================= | |
1194 | //function : Parameter | |
1195 | //purpose : Returns the parameter of <V> on <E>. | |
1196 | //======================================================================= | |
1197 | ||
1198 | Standard_Real BRep_Tool::Parameter(const TopoDS_Vertex& V, | |
703a6abd | 1199 | const TopoDS_Edge& E) |
7fd59977 | 1200 | { |
1201 | ||
1202 | // Search the vertex in the edge | |
1203 | ||
1204 | Standard_Boolean rev = Standard_False; | |
1205 | TopoDS_Shape VF; | |
1206 | TopAbs_Orientation orient = TopAbs_INTERNAL; | |
1207 | ||
1208 | TopoDS_Iterator itv(E.Oriented(TopAbs_FORWARD)); | |
1209 | ||
1210 | // if the edge has no vertices | |
1211 | // and is degenerated use the vertex orientation | |
1212 | // RLE, june 94 | |
1213 | ||
1214 | if (!itv.More() && Degenerated(E)) { | |
1215 | orient = V.Orientation(); | |
1216 | } | |
1217 | ||
1218 | while (itv.More()) { | |
1219 | const TopoDS_Shape& Vcur = itv.Value(); | |
1220 | if (V.IsSame(Vcur)) { | |
1221 | if (VF.IsNull()) { | |
703a6abd | 1222 | VF = Vcur; |
7fd59977 | 1223 | } |
1224 | else { | |
703a6abd O |
1225 | rev = E.Orientation() == TopAbs_REVERSED; |
1226 | if (Vcur.Orientation() == V.Orientation()) { | |
1227 | VF = Vcur; | |
1228 | } | |
7fd59977 | 1229 | } |
1230 | } | |
1231 | itv.Next(); | |
1232 | } | |
1233 | ||
1234 | if (!VF.IsNull()) orient = VF.Orientation(); | |
1235 | ||
1236 | Standard_Real f,l; | |
1237 | ||
1238 | if (orient == TopAbs_FORWARD) { | |
1239 | BRep_Tool::Range(E,f,l); | |
1240 | return (rev) ? l : f; | |
1241 | } | |
1242 | ||
1243 | else if (orient == TopAbs_REVERSED) { | |
1244 | BRep_Tool::Range(E,f,l); | |
1245 | return (rev) ? f : l; | |
1246 | } | |
1247 | ||
1248 | else { | |
1249 | TopLoc_Location L; | |
1250 | const Handle(Geom_Curve)& C = BRep_Tool::Curve(E,L,f,l); | |
1251 | L = L.Predivided(V.Location()); | |
1252 | if (!C.IsNull() || Degenerated(E)) { | |
1253 | BRep_ListIteratorOfListOfPointRepresentation itpr | |
703a6abd | 1254 | ((*((Handle(BRep_TVertex)*) &V.TShape()))->Points()); |
7fd59977 | 1255 | |
1256 | while (itpr.More()) { | |
703a6abd O |
1257 | const Handle(BRep_PointRepresentation)& pr = itpr.Value(); |
1258 | if (pr->IsPointOnCurve(C,L)) { | |
1259 | Standard_Real p = pr->Parameter(); | |
1260 | Standard_Real res = p;// SVV 4 nov 99 - to avoid warnings on Linux | |
1261 | if (!C.IsNull()) { | |
1262 | // Closed curves RLE 16 june 94 | |
1263 | if (Precision::IsNegativeInfinite(f)) return pr->Parameter();//p; | |
1264 | if (Precision::IsPositiveInfinite(l)) return pr->Parameter();//p; | |
1265 | gp_Pnt Pf = C->Value(f).Transformed(L.Transformation()); | |
1266 | gp_Pnt Pl = C->Value(l).Transformed(L.Transformation()); | |
1267 | Standard_Real tol = BRep_Tool::Tolerance(V); | |
1268 | if (Pf.Distance(Pl) < tol) { | |
1269 | if (Pf.Distance(BRep_Tool::Pnt(V)) < tol) { | |
1270 | if (V.Orientation() == TopAbs_FORWARD) res = f;//p = f; | |
1271 | else res = l;//p = l; | |
1272 | } | |
1273 | } | |
1274 | } | |
1275 | return res;//p; | |
1276 | } | |
1277 | itpr.Next(); | |
7fd59977 | 1278 | } |
1279 | } | |
1280 | else { | |
1281 | // no 3d curve !! | |
1282 | // let us try with the first pcurve | |
1283 | Handle(Geom2d_Curve) PC; | |
1284 | Handle(Geom_Surface) S; | |
1285 | BRep_Tool::CurveOnSurface(E,PC,S,L,f,l); | |
1286 | L = L.Predivided(V.Location()); | |
1287 | BRep_ListIteratorOfListOfPointRepresentation itpr | |
703a6abd | 1288 | ((*((Handle(BRep_TVertex)*) &V.TShape()))->Points()); |
7fd59977 | 1289 | |
1290 | while (itpr.More()) { | |
703a6abd O |
1291 | const Handle(BRep_PointRepresentation)& pr = itpr.Value(); |
1292 | if (pr->IsPointOnCurveOnSurface(PC,S,L)) { | |
1293 | Standard_Real p = pr->Parameter(); | |
1294 | // Closed curves RLE 16 june 94 | |
1295 | if (PC->IsClosed()) { | |
1296 | if ((p == PC->FirstParameter()) || | |
1297 | (p == PC->LastParameter())) { | |
1298 | if (V.Orientation() == TopAbs_FORWARD) p = PC->FirstParameter(); | |
1299 | else p = PC->LastParameter(); | |
1300 | } | |
1301 | } | |
1302 | return p; | |
1303 | } | |
1304 | itpr.Next(); | |
7fd59977 | 1305 | } |
1306 | } | |
1307 | } | |
1308 | ||
1309 | Standard_NoSuchObject::Raise("BRep_Tool:: no parameter on edge"); | |
1310 | return 0; | |
1311 | } | |
1312 | ||
1313 | //======================================================================= | |
1314 | //function : Parameter | |
1315 | //purpose : Returns the parameters of the vertex on the | |
1316 | // pcurve of the edge on the face. | |
1317 | //======================================================================= | |
1318 | ||
1319 | Standard_Real BRep_Tool::Parameter(const TopoDS_Vertex& V, | |
703a6abd O |
1320 | const TopoDS_Edge& E, |
1321 | const TopoDS_Face& F) | |
7fd59977 | 1322 | { |
1323 | TopLoc_Location L; | |
1324 | const Handle(Geom_Surface)& S = BRep_Tool::Surface(F,L); | |
1325 | return BRep_Tool::Parameter(V,E,S,L); | |
1326 | } | |
1327 | ||
1328 | //======================================================================= | |
1329 | //function : Parameter | |
1330 | //purpose : Returns the parameters of the vertex on the | |
1331 | // pcurve of the edge on the surface. | |
1332 | //======================================================================= | |
1333 | ||
1334 | Standard_Real BRep_Tool::Parameter(const TopoDS_Vertex& V, | |
703a6abd O |
1335 | const TopoDS_Edge& E, |
1336 | const Handle(Geom_Surface)& S, | |
1337 | const TopLoc_Location& L) | |
7fd59977 | 1338 | { |
1339 | // Search the vertex in the edge | |
1340 | ||
1341 | Standard_Boolean rev = Standard_False; | |
1342 | TopoDS_Shape VF; | |
1343 | TopoDS_Iterator itv(E.Oriented(TopAbs_FORWARD)); | |
1344 | ||
1345 | while (itv.More()) { | |
1346 | if (V.IsSame(itv.Value())) { | |
1347 | if (VF.IsNull()) VF = itv.Value(); | |
1348 | else { | |
703a6abd O |
1349 | rev = E.Orientation() == TopAbs_REVERSED; |
1350 | if (itv.Value().Orientation() == V.Orientation()) | |
1351 | VF = itv.Value(); | |
7fd59977 | 1352 | } |
1353 | } | |
1354 | itv.Next(); | |
1355 | } | |
1356 | ||
1357 | TopAbs_Orientation orient = TopAbs_INTERNAL; | |
1358 | if (!VF.IsNull()) orient = VF.Orientation(); | |
1359 | ||
1360 | Standard_Real f,l; | |
1361 | ||
1362 | if (orient == TopAbs_FORWARD) { | |
1363 | BRep_Tool::Range(E,S,L,f,l); | |
1364 | return (rev) ? l : f; | |
1365 | } | |
1366 | ||
1367 | else if (orient == TopAbs_REVERSED) { | |
1368 | BRep_Tool::Range(E,S,L,f,l); | |
1369 | return (rev) ? f : l; | |
1370 | } | |
1371 | ||
1372 | else { | |
1373 | Handle(Geom2d_Curve) PC = BRep_Tool::CurveOnSurface(E,S,L,f,l); | |
1374 | BRep_ListIteratorOfListOfPointRepresentation itpr | |
1375 | ((*((Handle(BRep_TVertex)*) &V.TShape()))->Points()); | |
1376 | ||
1377 | while (itpr.More()) { | |
1378 | if (itpr.Value()->IsPointOnCurveOnSurface(PC,S,L)) | |
1379 | return itpr.Value()->Parameter(); | |
1380 | itpr.Next(); | |
1381 | } | |
1382 | } | |
1383 | ||
1384 | //---------------------------------------------------------- | |
1385 | ||
1386 | TopLoc_Location L1; | |
1387 | const Handle(Geom_Curve)& C = BRep_Tool::Curve(E,L1,f,l); | |
1388 | L1 = L1.Predivided(V.Location()); | |
1389 | if (!C.IsNull() || Degenerated(E)) { | |
1390 | BRep_ListIteratorOfListOfPointRepresentation itpr | |
1391 | ((*((Handle(BRep_TVertex)*) &V.TShape()))->Points()); | |
1392 | ||
1393 | while (itpr.More()) { | |
1394 | const Handle(BRep_PointRepresentation)& pr = itpr.Value(); | |
1395 | if (pr->IsPointOnCurve(C,L1)) { | |
703a6abd O |
1396 | Standard_Real p = pr->Parameter(); |
1397 | Standard_Real res = p; | |
1398 | if (!C.IsNull()) { | |
1399 | // Closed curves RLE 16 june 94 | |
1400 | if (Precision::IsNegativeInfinite(f)) return res; | |
1401 | if (Precision::IsPositiveInfinite(l)) return res; | |
1402 | gp_Pnt Pf = C->Value(f).Transformed(L1.Transformation()); | |
1403 | gp_Pnt Pl = C->Value(l).Transformed(L1.Transformation()); | |
1404 | Standard_Real tol = BRep_Tool::Tolerance(V); | |
1405 | if (Pf.Distance(Pl) < tol) { | |
1406 | if (Pf.Distance(BRep_Tool::Pnt(V)) < tol) { | |
1407 | if (V.Orientation() == TopAbs_FORWARD) res = f; | |
1408 | else res = l; | |
1409 | } | |
1410 | } | |
1411 | } | |
1412 | return res; | |
7fd59977 | 1413 | } |
1414 | itpr.Next(); | |
1415 | } | |
1416 | } | |
1417 | ||
1418 | //---------------------------------------------------------- | |
1419 | ||
1420 | Standard_NoSuchObject::Raise("BRep_Tool:: no parameter on edge"); | |
1421 | return 0; | |
1422 | } | |
1423 | ||
1424 | //======================================================================= | |
1425 | //function : Parameters | |
1426 | //purpose : Returns the parameters of the vertex on the face. | |
1427 | //======================================================================= | |
1428 | ||
1429 | gp_Pnt2d BRep_Tool::Parameters(const TopoDS_Vertex& V, | |
703a6abd | 1430 | const TopoDS_Face& F) |
7fd59977 | 1431 | { |
1432 | TopLoc_Location L; | |
1433 | const Handle(Geom_Surface)& S = BRep_Tool::Surface(F,L); | |
1434 | L = L.Predivided(V.Location()); | |
1435 | BRep_ListIteratorOfListOfPointRepresentation itpr | |
1436 | ((*((Handle(BRep_TVertex)*) &V.TShape()))->Points()); | |
0d969553 | 1437 | // It is checked if there is PointRepresentation (case non Manifold) |
7fd59977 | 1438 | |
1439 | while (itpr.More()) { | |
1440 | if (itpr.Value()->IsPointOnSurface(S,L)) { | |
1441 | return gp_Pnt2d(itpr.Value()->Parameter(), | |
703a6abd | 1442 | itpr.Value()->Parameter2()); |
7fd59977 | 1443 | } |
1444 | itpr.Next(); | |
1445 | } | |
1446 | ||
1447 | TopoDS_Vertex Vf,Vl; | |
1448 | TopoDS_Edge E; | |
0d969553 Y |
1449 | // Otherwise the edges are searched (PMN 4/06/97) It is not possible to succeed 999/1000! |
1450 | // even if often there is a way to make more economically than above... | |
7fd59977 | 1451 | TopExp_Explorer exp; |
1452 | for (exp.Init(F, TopAbs_EDGE); exp.More(); exp.Next()) { | |
1453 | E = TopoDS::Edge(exp.Current()); | |
1454 | TopExp::Vertices(E, Vf, Vl); | |
1455 | if ((V.IsSame(Vf)) || (V.IsSame(Vl))) { | |
1456 | gp_Pnt2d Pf, Pl; | |
1457 | UVPoints(E, F, Pf, Pl); | |
1458 | if (V.IsSame(Vf)) return Pf; | |
0d969553 | 1459 | else return Pl;//Ambiguity (natural) for degenerated edges. |
7fd59977 | 1460 | } |
1461 | } | |
1462 | Standard_NoSuchObject::Raise("BRep_Tool:: no parameters on surface"); | |
1463 | return gp_Pnt2d(0,0); | |
1464 | } | |
1465 | //======================================================================= | |
1466 | //function : IsClosed | |
ab860031 | 1467 | //purpose : |
7fd59977 | 1468 | //======================================================================= |
ab860031 | 1469 | Standard_Boolean BRep_Tool::IsClosed (const TopoDS_Shape& theShape) |
7fd59977 | 1470 | { |
da72a17c | 1471 | if (theShape.ShapeType() == TopAbs_SHELL) |
ab860031 | 1472 | { |
1473 | NCollection_Map<TopoDS_Shape, TopTools_ShapeMapHasher> aMap (101, new NCollection_IncAllocator); | |
94dea18e | 1474 | TopExp_Explorer exp (theShape.Oriented(TopAbs_FORWARD), TopAbs_EDGE); |
1475 | Standard_Boolean hasBound = Standard_False; | |
1476 | for (; exp.More(); exp.Next()) | |
ab860031 | 1477 | { |
7fd59977 | 1478 | const TopoDS_Edge& E = TopoDS::Edge(exp.Current()); |
ab860031 | 1479 | if (BRep_Tool::Degenerated(E) || E.Orientation() == TopAbs_INTERNAL || E.Orientation() == TopAbs_EXTERNAL) |
1480 | continue; | |
94dea18e | 1481 | hasBound = Standard_True; |
ab860031 | 1482 | if (!aMap.Add(E)) |
1483 | aMap.Remove(E); | |
7fd59977 | 1484 | } |
94dea18e | 1485 | return hasBound && aMap.IsEmpty(); |
7fd59977 | 1486 | } |
ab860031 | 1487 | else if (theShape.ShapeType() == TopAbs_WIRE) |
1488 | { | |
1489 | NCollection_Map<TopoDS_Shape, TopTools_ShapeMapHasher> aMap (101, new NCollection_IncAllocator); | |
94dea18e | 1490 | TopExp_Explorer exp (theShape.Oriented(TopAbs_FORWARD), TopAbs_VERTEX); |
1491 | Standard_Boolean hasBound = Standard_False; | |
1492 | for (; exp.More(); exp.Next()) | |
ab860031 | 1493 | { |
1494 | const TopoDS_Shape& V = exp.Current(); | |
1495 | if (V.Orientation() == TopAbs_INTERNAL || V.Orientation() == TopAbs_EXTERNAL) | |
1496 | continue; | |
94dea18e | 1497 | hasBound = Standard_True; |
ab860031 | 1498 | if (!aMap.Add(V)) |
1499 | aMap.Remove(V); | |
1500 | } | |
94dea18e | 1501 | return hasBound && aMap.IsEmpty(); |
ab860031 | 1502 | } |
da72a17c | 1503 | else if (theShape.ShapeType() == TopAbs_EDGE) |
1504 | { | |
1505 | TopoDS_Vertex aVFirst, aVLast; | |
1506 | TopExp::Vertices(TopoDS::Edge(theShape), aVFirst, aVLast); | |
1507 | return !aVFirst.IsNull() && aVFirst.IsSame(aVLast); | |
1508 | } | |
ab860031 | 1509 | return theShape.Closed(); |
7fd59977 | 1510 | } |
1511 | ||
1512 | //modified by NIZNHY-PKV Fri Oct 17 14:09:58 2008 f | |
1513 | //======================================================================= | |
1514 | //function : IsPlane | |
1515 | //purpose : | |
1516 | //======================================================================= | |
1517 | Standard_Boolean IsPlane(const Handle(Geom_Surface)& aS) | |
1518 | { | |
1519 | Standard_Boolean bRet; | |
1520 | Handle(Geom_Plane) aGP; | |
1521 | Handle(Geom_RectangularTrimmedSurface) aGRTS; | |
1522 | Handle(Geom_OffsetSurface) aGOFS; | |
1523 | // | |
1524 | aGRTS=Handle(Geom_RectangularTrimmedSurface)::DownCast(aS); | |
1525 | aGOFS=Handle(Geom_OffsetSurface)::DownCast(aS); | |
1526 | // | |
1527 | if(!aGOFS.IsNull()) { | |
1528 | aGP=Handle(Geom_Plane)::DownCast(aGOFS->BasisSurface()); | |
1529 | } | |
1530 | else if(!aGRTS.IsNull()) { | |
1531 | aGP=Handle(Geom_Plane)::DownCast(aGRTS->BasisSurface()); | |
1532 | } | |
1533 | else { | |
1534 | aGP=Handle(Geom_Plane)::DownCast(aS); | |
1535 | } | |
1536 | // | |
1537 | bRet=!aGP.IsNull(); | |
1538 | // | |
1539 | return bRet; | |
1540 | } | |
ab860031 | 1541 | |
bcd19756 | 1542 | //======================================================================= |
1543 | //function : MaxTolerance | |
1544 | //purpose : | |
1545 | //======================================================================= | |
1546 | Standard_Real BRep_Tool::MaxTolerance (const TopoDS_Shape& theShape, | |
1547 | const TopAbs_ShapeEnum theSubShape) | |
1548 | { | |
1549 | Standard_Real aTol = 0.0; | |
1550 | ||
1551 | // Explorer Shape-Subshape. | |
1552 | TopExp_Explorer anExpSS(theShape, theSubShape); | |
1553 | if (theSubShape == TopAbs_FACE) | |
1554 | { | |
1555 | for( ; anExpSS.More() ; anExpSS.Next() ) | |
1556 | { | |
1557 | const TopoDS_Shape& aCurrentSubShape = anExpSS.Current(); | |
1558 | aTol = Max(aTol, Tolerance(TopoDS::Face(aCurrentSubShape))); | |
1559 | } | |
1560 | } | |
1561 | else if (theSubShape == TopAbs_EDGE) | |
1562 | { | |
1563 | for( ; anExpSS.More() ; anExpSS.Next() ) | |
1564 | { | |
1565 | const TopoDS_Shape& aCurrentSubShape = anExpSS.Current(); | |
1566 | aTol = Max(aTol, Tolerance(TopoDS::Edge(aCurrentSubShape))); | |
1567 | } | |
1568 | } | |
1569 | else if (theSubShape == TopAbs_VERTEX) | |
1570 | { | |
1571 | for( ; anExpSS.More() ; anExpSS.Next() ) | |
1572 | { | |
1573 | const TopoDS_Shape& aCurrentSubShape = anExpSS.Current(); | |
1574 | aTol = Max(aTol, Tolerance(TopoDS::Vertex(aCurrentSubShape))); | |
1575 | } | |
1576 | } | |
1577 | ||
1578 | return aTol; | |
1579 | } |