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