| 1 | // File: IntTools_FaceFace.cxx |
| 2 | // Created: Thu Nov 23 14:52:53 2000 |
| 3 | // Author: Michael KLOKOV |
| 4 | // Copyright: OPEN CASCADE 2000 |
| 5 | |
| 6 | |
| 7 | #include <IntTools_FaceFace.ixx> |
| 8 | |
| 9 | #include <Precision.hxx> |
| 10 | |
| 11 | #include <TColStd_HArray1OfReal.hxx> |
| 12 | #include <TColStd_Array1OfReal.hxx> |
| 13 | #include <TColStd_Array1OfInteger.hxx> |
| 14 | #include <TColStd_SequenceOfReal.hxx> |
| 15 | #include <TColStd_ListOfInteger.hxx> |
| 16 | #include <TColStd_ListIteratorOfListOfInteger.hxx> |
| 17 | #include <TColStd_Array1OfListOfInteger.hxx> |
| 18 | |
| 19 | #include <gp_Lin2d.hxx> |
| 20 | #include <gp_Ax22d.hxx> |
| 21 | #include <gp_Circ2d.hxx> |
| 22 | #include <gp_Torus.hxx> |
| 23 | #include <gp_Cylinder.hxx> |
| 24 | |
| 25 | #include <Bnd_Box.hxx> |
| 26 | |
| 27 | #include <TColgp_HArray1OfPnt2d.hxx> |
| 28 | #include <TColgp_SequenceOfPnt2d.hxx> |
| 29 | #include <TColgp_Array1OfPnt.hxx> |
| 30 | #include <TColgp_Array1OfPnt2d.hxx> |
| 31 | |
| 32 | #include <IntAna_QuadQuadGeo.hxx> |
| 33 | |
| 34 | #include <IntSurf_PntOn2S.hxx> |
| 35 | #include <IntSurf_LineOn2S.hxx> |
| 36 | #include <IntSurf_PntOn2S.hxx> |
| 37 | #include <IntSurf_ListOfPntOn2S.hxx> |
| 38 | #include <IntRes2d_Domain.hxx> |
| 39 | #include <ProjLib_Plane.hxx> |
| 40 | |
| 41 | #include <IntPatch_GLine.hxx> |
| 42 | #include <IntPatch_RLine.hxx> |
| 43 | #include <IntPatch_WLine.hxx> |
| 44 | #include <IntPatch_ALine.hxx> |
| 45 | #include <IntPatch_ALineToWLine.hxx> |
| 46 | |
| 47 | #include <ElSLib.hxx> |
| 48 | #include <ElCLib.hxx> |
| 49 | |
| 50 | #include <Extrema_ExtCC.hxx> |
| 51 | #include <Extrema_POnCurv.hxx> |
| 52 | #include <BndLib_AddSurface.hxx> |
| 53 | |
| 54 | #include <Adaptor3d_SurfacePtr.hxx> |
| 55 | #include <Adaptor2d_HLine2d.hxx> |
| 56 | |
| 57 | #include <GeomAbs_SurfaceType.hxx> |
| 58 | #include <GeomAbs_CurveType.hxx> |
| 59 | |
| 60 | #include <Geom_Surface.hxx> |
| 61 | #include <Geom_Line.hxx> |
| 62 | #include <Geom_Circle.hxx> |
| 63 | #include <Geom_Ellipse.hxx> |
| 64 | #include <Geom_Parabola.hxx> |
| 65 | #include <Geom_Hyperbola.hxx> |
| 66 | #include <Geom_TrimmedCurve.hxx> |
| 67 | #include <Geom_BSplineCurve.hxx> |
| 68 | #include <Geom_RectangularTrimmedSurface.hxx> |
| 69 | #include <Geom_OffsetSurface.hxx> |
| 70 | #include <Geom_Curve.hxx> |
| 71 | #include <Geom_Conic.hxx> |
| 72 | |
| 73 | #include <Geom2d_TrimmedCurve.hxx> |
| 74 | #include <Geom2d_BSplineCurve.hxx> |
| 75 | #include <Geom2d_Line.hxx> |
| 76 | #include <Geom2d_Curve.hxx> |
| 77 | #include <Geom2d_Circle.hxx> |
| 78 | |
| 79 | #include <Geom2dAPI_InterCurveCurve.hxx> |
| 80 | #include <Geom2dInt_GInter.hxx> |
| 81 | #include <GeomAdaptor_Curve.hxx> |
| 82 | #include <GeomAdaptor_HSurface.hxx> |
| 83 | #include <GeomAdaptor_Surface.hxx> |
| 84 | #include <GeomLib_CheckBSplineCurve.hxx> |
| 85 | #include <GeomLib_Check2dBSplineCurve.hxx> |
| 86 | |
| 87 | #include <GeomInt_WLApprox.hxx> |
| 88 | #include <GeomProjLib.hxx> |
| 89 | #include <GeomAPI_ProjectPointOnSurf.hxx> |
| 90 | #include <Geom2dAdaptor_Curve.hxx> |
| 91 | // |
| 92 | #include <TopoDS.hxx> |
| 93 | #include <TopoDS_Edge.hxx> |
| 94 | #include <TopExp_Explorer.hxx> |
| 95 | |
| 96 | #include <BRep_Tool.hxx> |
| 97 | #include <BRepTools.hxx> |
| 98 | #include <BRepAdaptor_Surface.hxx> |
| 99 | |
| 100 | #include <BOPTColStd_Dump.hxx> |
| 101 | |
| 102 | #include <IntTools_Curve.hxx> |
| 103 | #include <IntTools_Tools.hxx> |
| 104 | #include <IntTools_Tools.hxx> |
| 105 | #include <IntTools_TopolTool.hxx> |
| 106 | #include <IntTools_PntOnFace.hxx> |
| 107 | #include <IntTools_PntOn2Faces.hxx> |
| 108 | #include <IntTools_Context.hxx> |
| 109 | #include <IntSurf_ListIteratorOfListOfPntOn2S.hxx> |
| 110 | |
| 111 | // |
| 112 | static |
| 113 | void TolR3d(const TopoDS_Face& , |
| 114 | const TopoDS_Face& , |
| 115 | Standard_Real& ); |
| 116 | static |
| 117 | Handle(Geom_Curve) MakeBSpline (const Handle(IntPatch_WLine)&, |
| 118 | const Standard_Integer, |
| 119 | const Standard_Integer); |
| 120 | |
| 121 | static |
| 122 | void Parameters(const Handle(GeomAdaptor_HSurface)&, |
| 123 | const Handle(GeomAdaptor_HSurface)&, |
| 124 | const gp_Pnt&, |
| 125 | Standard_Real&, |
| 126 | Standard_Real&, |
| 127 | Standard_Real&, |
| 128 | Standard_Real&); |
| 129 | |
| 130 | static |
| 131 | void BuildPCurves (Standard_Real f,Standard_Real l,Standard_Real& Tol, |
| 132 | const Handle (Geom_Surface)& S, |
| 133 | const Handle (Geom_Curve)& C, |
| 134 | Handle (Geom2d_Curve)& C2d); |
| 135 | |
| 136 | static |
| 137 | void CorrectSurfaceBoundaries(const TopoDS_Face& theFace, |
| 138 | const Standard_Real theTolerance, |
| 139 | Standard_Real& theumin, |
| 140 | Standard_Real& theumax, |
| 141 | Standard_Real& thevmin, |
| 142 | Standard_Real& thevmax); |
| 143 | static |
| 144 | Standard_Boolean NotUseSurfacesForApprox |
| 145 | (const TopoDS_Face& aF1, |
| 146 | const TopoDS_Face& aF2, |
| 147 | const Handle(IntPatch_WLine)& WL, |
| 148 | const Standard_Integer ifprm, |
| 149 | const Standard_Integer ilprm); |
| 150 | |
| 151 | static |
| 152 | Handle(IntPatch_WLine) ComputePurgedWLine(const Handle(IntPatch_WLine)& theWLine); |
| 153 | |
| 154 | static |
| 155 | Standard_Real AdjustPeriodic(const Standard_Real theParameter, |
| 156 | const Standard_Real parmin, |
| 157 | const Standard_Real parmax, |
| 158 | const Standard_Real thePeriod, |
| 159 | Standard_Real& theOffset); |
| 160 | |
| 161 | static |
| 162 | Handle(Geom2d_BSplineCurve) MakeBSpline2d(const Handle(IntPatch_WLine)& theWLine, |
| 163 | const Standard_Integer ideb, |
| 164 | const Standard_Integer ifin, |
| 165 | const Standard_Boolean onFirst); |
| 166 | |
| 167 | static |
| 168 | Standard_Boolean DecompositionOfWLine(const Handle(IntPatch_WLine)& theWLine, |
| 169 | const Handle(GeomAdaptor_HSurface)& theSurface1, |
| 170 | const Handle(GeomAdaptor_HSurface)& theSurface2, |
| 171 | const TopoDS_Face& theFace1, |
| 172 | const TopoDS_Face& theFace2, |
| 173 | const IntTools_LineConstructor& theLConstructor, |
| 174 | const Standard_Boolean theAvoidLConstructor, |
| 175 | IntPatch_SequenceOfLine& theNewLines, |
| 176 | Standard_Real& theReachedTol3d); |
| 177 | |
| 178 | static |
| 179 | Standard_Boolean ParameterOutOfBoundary(const Standard_Real theParameter, |
| 180 | const Handle(Geom_Curve)& theCurve, |
| 181 | const TopoDS_Face& theFace1, |
| 182 | const TopoDS_Face& theFace2, |
| 183 | const Standard_Real theOtherParameter, |
| 184 | const Standard_Boolean bIncreasePar, |
| 185 | Standard_Real& theNewParameter); |
| 186 | |
| 187 | static |
| 188 | Standard_Boolean IsCurveValid(Handle(Geom2d_Curve)& thePCurve); |
| 189 | |
| 190 | static |
| 191 | Standard_Boolean IsPointOnBoundary(const Standard_Real theParameter, |
| 192 | const Standard_Real theFirstBoundary, |
| 193 | const Standard_Real theSecondBoundary, |
| 194 | const Standard_Real theResolution, |
| 195 | Standard_Boolean& IsOnFirstBoundary); |
| 196 | static |
| 197 | Standard_Boolean FindPoint(const gp_Pnt2d& theFirstPoint, |
| 198 | const gp_Pnt2d& theLastPoint, |
| 199 | const Standard_Real theUmin, |
| 200 | const Standard_Real theUmax, |
| 201 | const Standard_Real theVmin, |
| 202 | const Standard_Real theVmax, |
| 203 | gp_Pnt2d& theNewPoint); |
| 204 | |
| 205 | |
| 206 | static |
| 207 | Standard_Integer ComputeTangentZones( const Handle(GeomAdaptor_HSurface)& theSurface1, |
| 208 | const Handle(GeomAdaptor_HSurface)& theSurface2, |
| 209 | const TopoDS_Face& theFace1, |
| 210 | const TopoDS_Face& theFace2, |
| 211 | Handle(TColgp_HArray1OfPnt2d)& theResultOnS1, |
| 212 | Handle(TColgp_HArray1OfPnt2d)& theResultOnS2, |
| 213 | Handle(TColStd_HArray1OfReal)& theResultRadius); |
| 214 | |
| 215 | static |
| 216 | Standard_Boolean FindPoint(const gp_Pnt2d& theFirstPoint, |
| 217 | const gp_Pnt2d& theLastPoint, |
| 218 | const Standard_Real theUmin, |
| 219 | const Standard_Real theUmax, |
| 220 | const Standard_Real theVmin, |
| 221 | const Standard_Real theVmax, |
| 222 | const gp_Pnt2d& theTanZoneCenter, |
| 223 | const Standard_Real theZoneRadius, |
| 224 | Handle(GeomAdaptor_HSurface) theGASurface, |
| 225 | gp_Pnt2d& theNewPoint); |
| 226 | |
| 227 | static |
| 228 | Standard_Boolean IsInsideTanZone(const gp_Pnt2d& thePoint, |
| 229 | const gp_Pnt2d& theTanZoneCenter, |
| 230 | const Standard_Real theZoneRadius, |
| 231 | Handle(GeomAdaptor_HSurface) theGASurface); |
| 232 | |
| 233 | static |
| 234 | gp_Pnt2d AdjustByNeighbour(const gp_Pnt2d& theaNeighbourPoint, |
| 235 | const gp_Pnt2d& theOriginalPoint, |
| 236 | Handle(GeomAdaptor_HSurface) theGASurface); |
| 237 | static |
| 238 | Standard_Boolean ApproxWithPCurves(const gp_Cylinder& theCyl, |
| 239 | const gp_Sphere& theSph); |
| 240 | |
| 241 | static void PerformPlanes(const Handle(GeomAdaptor_HSurface)& theS1, |
| 242 | const Handle(GeomAdaptor_HSurface)& theS2, |
| 243 | const Standard_Real TolAng, |
| 244 | const Standard_Real TolTang, |
| 245 | const Standard_Boolean theApprox1, |
| 246 | const Standard_Boolean theApprox2, |
| 247 | IntTools_SequenceOfCurves& theSeqOfCurve, |
| 248 | Standard_Boolean& theTangentFaces); |
| 249 | |
| 250 | static Standard_Boolean ClassifyLin2d(const Handle(GeomAdaptor_HSurface)& theS, |
| 251 | const gp_Lin2d& theLin2d, |
| 252 | const Standard_Real theTol, |
| 253 | Standard_Real& theP1, |
| 254 | Standard_Real& theP2); |
| 255 | // |
| 256 | static |
| 257 | void ApproxParameters(const Handle(GeomAdaptor_HSurface)& aHS1, |
| 258 | const Handle(GeomAdaptor_HSurface)& aHS2, |
| 259 | Standard_Integer& iDegMin, |
| 260 | Standard_Integer& iDegMax); |
| 261 | |
| 262 | static |
| 263 | void Tolerances(const Handle(GeomAdaptor_HSurface)& aHS1, |
| 264 | const Handle(GeomAdaptor_HSurface)& aHS2, |
| 265 | Standard_Real& aTolArc, |
| 266 | Standard_Real& aTolTang, |
| 267 | Standard_Real& aUVMaxStep, |
| 268 | Standard_Real& aDeflection); |
| 269 | |
| 270 | static |
| 271 | Standard_Boolean SortTypes(const GeomAbs_SurfaceType aType1, |
| 272 | const GeomAbs_SurfaceType aType2); |
| 273 | static |
| 274 | Standard_Integer IndexType(const GeomAbs_SurfaceType aType); |
| 275 | |
| 276 | // |
| 277 | //======================================================================= |
| 278 | //function : |
| 279 | //purpose : |
| 280 | //======================================================================= |
| 281 | IntTools_FaceFace::IntTools_FaceFace() |
| 282 | { |
| 283 | myTangentFaces=Standard_False; |
| 284 | // |
| 285 | myHS1 = new GeomAdaptor_HSurface (); |
| 286 | myHS2 = new GeomAdaptor_HSurface (); |
| 287 | myTolReached2d=0.; |
| 288 | myTolReached3d=0.; |
| 289 | SetParameters(Standard_True, Standard_True, Standard_True, 1.e-07); |
| 290 | } |
| 291 | //======================================================================= |
| 292 | //function : Face1 |
| 293 | //purpose : |
| 294 | //======================================================================= |
| 295 | const TopoDS_Face& IntTools_FaceFace::Face1() const |
| 296 | { |
| 297 | return myFace1; |
| 298 | } |
| 299 | |
| 300 | //======================================================================= |
| 301 | //function : Face2 |
| 302 | //purpose : |
| 303 | //======================================================================= |
| 304 | const TopoDS_Face& IntTools_FaceFace::Face2() const |
| 305 | { |
| 306 | return myFace2; |
| 307 | } |
| 308 | |
| 309 | //======================================================================= |
| 310 | //function : TangentFaces |
| 311 | //purpose : |
| 312 | //======================================================================= |
| 313 | Standard_Boolean IntTools_FaceFace::TangentFaces() const |
| 314 | { |
| 315 | return myTangentFaces; |
| 316 | } |
| 317 | //======================================================================= |
| 318 | //function : Points |
| 319 | //purpose : |
| 320 | //======================================================================= |
| 321 | const IntTools_SequenceOfPntOn2Faces& IntTools_FaceFace::Points() const |
| 322 | { |
| 323 | return myPnts; |
| 324 | } |
| 325 | //======================================================================= |
| 326 | //function : IsDone |
| 327 | //purpose : |
| 328 | //======================================================================= |
| 329 | Standard_Boolean IntTools_FaceFace::IsDone() const |
| 330 | { |
| 331 | return myIsDone; |
| 332 | } |
| 333 | //======================================================================= |
| 334 | //function : TolReached3d |
| 335 | //purpose : |
| 336 | //======================================================================= |
| 337 | Standard_Real IntTools_FaceFace::TolReached3d() const |
| 338 | { |
| 339 | return myTolReached3d; |
| 340 | } |
| 341 | //======================================================================= |
| 342 | //function : Lines |
| 343 | //purpose : return lines of intersection |
| 344 | //======================================================================= |
| 345 | const IntTools_SequenceOfCurves& IntTools_FaceFace::Lines() const |
| 346 | { |
| 347 | StdFail_NotDone_Raise_if(!myIsDone, |
| 348 | "IntTools_FaceFace::Lines() => !myIntersector.IsDone()"); |
| 349 | return mySeqOfCurve; |
| 350 | } |
| 351 | |
| 352 | //======================================================================= |
| 353 | //function : TolReached2d |
| 354 | //purpose : |
| 355 | //======================================================================= |
| 356 | Standard_Real IntTools_FaceFace::TolReached2d() const |
| 357 | { |
| 358 | return myTolReached2d; |
| 359 | } |
| 360 | // ======================================================================= |
| 361 | // function: SetParameters |
| 362 | // |
| 363 | // ======================================================================= |
| 364 | void IntTools_FaceFace::SetParameters(const Standard_Boolean ToApproxC3d, |
| 365 | const Standard_Boolean ToApproxC2dOnS1, |
| 366 | const Standard_Boolean ToApproxC2dOnS2, |
| 367 | const Standard_Real ApproximationTolerance) |
| 368 | { |
| 369 | myApprox = ToApproxC3d; |
| 370 | myApprox1 = ToApproxC2dOnS1; |
| 371 | myApprox2 = ToApproxC2dOnS2; |
| 372 | myTolApprox = ApproximationTolerance; |
| 373 | } |
| 374 | //======================================================================= |
| 375 | //function : SetList |
| 376 | //purpose : |
| 377 | //======================================================================= |
| 378 | |
| 379 | void IntTools_FaceFace::SetList(IntSurf_ListOfPntOn2S& aListOfPnts) |
| 380 | { |
| 381 | myListOfPnts = aListOfPnts; |
| 382 | } |
| 383 | |
| 384 | //======================================================================= |
| 385 | //function : Perform |
| 386 | //purpose : intersect surfaces of the faces |
| 387 | //======================================================================= |
| 388 | void IntTools_FaceFace::Perform(const TopoDS_Face& aF1, |
| 389 | const TopoDS_Face& aF2) |
| 390 | { |
| 391 | Standard_Boolean hasCone, RestrictLine, bTwoPlanes, bReverse; |
| 392 | Standard_Integer aNbLin, aNbPnts, i, NbLinPP; |
| 393 | Standard_Real TolArc, TolTang, Deflection, UVMaxStep; |
| 394 | Standard_Real umin, umax, vmin, vmax; |
| 395 | Standard_Real aTolF1, aTolF2; |
| 396 | GeomAbs_SurfaceType aType1, aType2; |
| 397 | Handle(Geom_Surface) S1, S2; |
| 398 | Handle(IntTools_TopolTool) dom1, dom2; |
| 399 | BRepAdaptor_Surface aBAS1, aBAS2; |
| 400 | // |
| 401 | mySeqOfCurve.Clear(); |
| 402 | myTolReached2d=0.; |
| 403 | myTolReached3d=0.; |
| 404 | myIsDone = Standard_False; |
| 405 | myNbrestr=0;//? |
| 406 | hasCone = Standard_False; |
| 407 | bTwoPlanes = Standard_False; |
| 408 | // |
| 409 | myFace1=aF1; |
| 410 | myFace2=aF2; |
| 411 | // |
| 412 | aBAS1.Initialize(myFace1, Standard_False); |
| 413 | aBAS2.Initialize(myFace2, Standard_False); |
| 414 | aType1=aBAS1.GetType(); |
| 415 | aType2=aBAS2.GetType(); |
| 416 | // |
| 417 | bReverse=SortTypes(aType1, aType2); |
| 418 | if (bReverse) { |
| 419 | myFace1=aF2; |
| 420 | myFace2=aF1; |
| 421 | aType1=aBAS2.GetType(); |
| 422 | aType2=aBAS1.GetType(); |
| 423 | // |
| 424 | if (myListOfPnts.Extent()) { |
| 425 | Standard_Real aU1,aV1,aU2,aV2; |
| 426 | IntSurf_ListIteratorOfListOfPntOn2S aItP2S; |
| 427 | // |
| 428 | aItP2S.Initialize(myListOfPnts); |
| 429 | for (; aItP2S.More(); aItP2S.Next()){ |
| 430 | IntSurf_PntOn2S& aP2S=aItP2S.Value(); |
| 431 | aP2S.Parameters(aU1,aV1,aU2,aV2); |
| 432 | aP2S.SetValue(aU2,aV2,aU1,aV1); |
| 433 | } |
| 434 | } |
| 435 | } |
| 436 | // |
| 437 | S1=BRep_Tool::Surface(myFace1); |
| 438 | S2=BRep_Tool::Surface(myFace2); |
| 439 | // |
| 440 | aTolF1=BRep_Tool::Tolerance(myFace1); |
| 441 | aTolF2=BRep_Tool::Tolerance(myFace2); |
| 442 | // |
| 443 | TolArc= aTolF1 + aTolF2; |
| 444 | TolTang = TolArc; |
| 445 | // |
| 446 | NbLinPP = 0; |
| 447 | if(aType1==GeomAbs_Plane && aType2==GeomAbs_Plane){ |
| 448 | bTwoPlanes = Standard_True; |
| 449 | |
| 450 | BRepTools::UVBounds(myFace1, umin, umax, vmin, vmax); |
| 451 | myHS1->ChangeSurface().Load(S1, umin, umax, vmin, vmax); |
| 452 | // |
| 453 | BRepTools::UVBounds(myFace2, umin, umax, vmin, vmax); |
| 454 | myHS2->ChangeSurface().Load(S2, umin, umax, vmin, vmax); |
| 455 | Standard_Real TolAng = 1.e-8; |
| 456 | PerformPlanes(myHS1, myHS2, TolAng, TolTang, myApprox1, myApprox2, |
| 457 | mySeqOfCurve, myTangentFaces); |
| 458 | |
| 459 | myIsDone = Standard_True; |
| 460 | |
| 461 | if(myTangentFaces) { |
| 462 | return; |
| 463 | } |
| 464 | // |
| 465 | NbLinPP = mySeqOfCurve.Length(); |
| 466 | if(NbLinPP == 0) { |
| 467 | return; |
| 468 | } |
| 469 | |
| 470 | Standard_Real aTolFMax; |
| 471 | // |
| 472 | myTolReached3d = 1.e-7; |
| 473 | // |
| 474 | aTolFMax=Max(aTolF1, aTolF2); |
| 475 | // |
| 476 | if (aTolFMax>myTolReached3d) { |
| 477 | myTolReached3d=aTolFMax; |
| 478 | } |
| 479 | myTolReached2d = myTolReached3d; |
| 480 | // |
| 481 | if (bReverse) { |
| 482 | Handle(Geom2d_Curve) aC2D1, aC2D2; |
| 483 | // |
| 484 | aNbLin=mySeqOfCurve.Length(); |
| 485 | for (i=1; i<=aNbLin; ++i) { |
| 486 | IntTools_Curve& aIC=mySeqOfCurve(i); |
| 487 | aC2D1=aIC.FirstCurve2d(); |
| 488 | aC2D2=aIC.SecondCurve2d(); |
| 489 | // |
| 490 | aIC.SetFirstCurve2d(aC2D2); |
| 491 | aIC.SetSecondCurve2d(aC2D1); |
| 492 | } |
| 493 | } |
| 494 | return; |
| 495 | }//if(aType1==GeomAbs_Plane && aType2==GeomAbs_Plane){ |
| 496 | // |
| 497 | if (aType1==GeomAbs_Plane && |
| 498 | (aType2==GeomAbs_Cylinder || |
| 499 | aType2==GeomAbs_Cone || |
| 500 | aType2==GeomAbs_Torus)) { |
| 501 | Standard_Real dU, dV; |
| 502 | // F1 |
| 503 | BRepTools::UVBounds(myFace1, umin, umax, vmin, vmax); |
| 504 | dU=0.1*(umax-umin); |
| 505 | dV=0.1*(vmax-vmin); |
| 506 | umin=umin-dU; |
| 507 | umax=umax+dU; |
| 508 | vmin=vmin-dV; |
| 509 | vmax=vmax+dV; |
| 510 | myHS1->ChangeSurface().Load(S1, umin, umax, vmin, vmax); |
| 511 | // F2 |
| 512 | BRepTools::UVBounds(myFace2, umin, umax, vmin, vmax); |
| 513 | CorrectSurfaceBoundaries(myFace2, (aTolF1 + aTolF2) * 2., umin, umax, vmin, vmax); |
| 514 | myHS2->ChangeSurface().Load(S2, umin, umax, vmin, vmax); |
| 515 | // |
| 516 | if( aType2==GeomAbs_Cone ) { |
| 517 | TolArc = 0.0001; |
| 518 | hasCone = Standard_True; |
| 519 | } |
| 520 | } |
| 521 | // |
| 522 | else if ((aType1==GeomAbs_Cylinder|| |
| 523 | aType1==GeomAbs_Cone || |
| 524 | aType1==GeomAbs_Torus) && |
| 525 | aType2==GeomAbs_Plane) { |
| 526 | Standard_Real dU, dV; |
| 527 | //F1 |
| 528 | BRepTools::UVBounds(myFace1, umin, umax, vmin, vmax); |
| 529 | CorrectSurfaceBoundaries(myFace1, (aTolF1 + aTolF2) * 2., umin, umax, vmin, vmax); |
| 530 | myHS1->ChangeSurface().Load(S1, umin, umax, vmin, vmax); |
| 531 | // F2 |
| 532 | BRepTools::UVBounds(myFace2, umin, umax, vmin, vmax); |
| 533 | dU=0.1*(umax-umin); |
| 534 | dV=0.1*(vmax-vmin); |
| 535 | umin=umin-dU; |
| 536 | umax=umax+dU; |
| 537 | vmin=vmin-dV; |
| 538 | vmax=vmax+dV; |
| 539 | myHS2->ChangeSurface().Load(S2, umin, umax, vmin, vmax); |
| 540 | // |
| 541 | if( aType1==GeomAbs_Cone ) { |
| 542 | TolArc = 0.0001; |
| 543 | hasCone = Standard_True; |
| 544 | } |
| 545 | } |
| 546 | |
| 547 | // |
| 548 | else { |
| 549 | BRepTools::UVBounds(myFace1, umin, umax, vmin, vmax); |
| 550 | // |
| 551 | CorrectSurfaceBoundaries(myFace1, (aTolF1 + aTolF2) * 2., umin, umax, vmin, vmax); |
| 552 | // |
| 553 | myHS1->ChangeSurface().Load(S1, umin, umax, vmin, vmax); |
| 554 | // |
| 555 | BRepTools::UVBounds(myFace2, umin, umax, vmin, vmax); |
| 556 | // |
| 557 | CorrectSurfaceBoundaries(myFace2, (aTolF1 + aTolF2) * 2., umin, umax, vmin, vmax); |
| 558 | // |
| 559 | myHS2->ChangeSurface().Load(S2, umin, umax, vmin, vmax); |
| 560 | } |
| 561 | // |
| 562 | dom1 = new IntTools_TopolTool(myHS1); |
| 563 | dom2 = new IntTools_TopolTool(myHS2); |
| 564 | // |
| 565 | myLConstruct.Load(dom1, dom2, myHS1, myHS2); |
| 566 | // |
| 567 | Deflection = (hasCone) ? 0.085 : 0.1; |
| 568 | UVMaxStep = 0.001; |
| 569 | // |
| 570 | Tolerances(myHS1, myHS2, TolArc, TolTang, UVMaxStep, Deflection); |
| 571 | // |
| 572 | myIntersector.SetTolerances(TolArc, TolTang, UVMaxStep, Deflection); |
| 573 | // |
| 574 | RestrictLine = Standard_False; |
| 575 | // |
| 576 | if((myHS1->IsUClosed() && !myHS1->IsUPeriodic()) || |
| 577 | (myHS1->IsVClosed() && !myHS1->IsVPeriodic()) || |
| 578 | (myHS2->IsUClosed() && !myHS2->IsUPeriodic()) || |
| 579 | (myHS2->IsVClosed() && !myHS2->IsVPeriodic())) { |
| 580 | RestrictLine = Standard_True; |
| 581 | } |
| 582 | // |
| 583 | if(((aType1 != GeomAbs_BSplineSurface) && |
| 584 | (aType1 != GeomAbs_BezierSurface) && |
| 585 | (aType1 != GeomAbs_OtherSurface)) && |
| 586 | ((aType2 != GeomAbs_BSplineSurface) && |
| 587 | (aType2 != GeomAbs_BezierSurface) && |
| 588 | (aType2 != GeomAbs_OtherSurface))) { |
| 589 | RestrictLine = Standard_True; |
| 590 | // |
| 591 | if ((aType1 == GeomAbs_Torus) || |
| 592 | (aType2 == GeomAbs_Torus) ) { |
| 593 | myListOfPnts.Clear(); |
| 594 | } |
| 595 | } |
| 596 | // |
| 597 | if(!RestrictLine) { |
| 598 | TopExp_Explorer aExp; |
| 599 | // |
| 600 | for(i = 0; (!RestrictLine) && (i < 2); i++) { |
| 601 | const TopoDS_Face& aF=(!i) ? myFace1 : myFace2; |
| 602 | aExp.Init(aF, TopAbs_EDGE); |
| 603 | for(; aExp.More(); aExp.Next()) { |
| 604 | const TopoDS_Edge& aE=TopoDS::Edge(aExp.Current()); |
| 605 | // |
| 606 | if(BRep_Tool::Degenerated(aE)) { |
| 607 | RestrictLine = Standard_True; |
| 608 | break; |
| 609 | } |
| 610 | } |
| 611 | } |
| 612 | } |
| 613 | // |
| 614 | myIntersector.Perform(myHS1, dom1, myHS2, dom2, |
| 615 | TolArc, TolTang, |
| 616 | myListOfPnts, RestrictLine); |
| 617 | // |
| 618 | myIsDone = myIntersector.IsDone(); |
| 619 | if (myIsDone) { |
| 620 | myTangentFaces=myIntersector.TangentFaces(); |
| 621 | if (myTangentFaces) { |
| 622 | return; |
| 623 | } |
| 624 | // |
| 625 | if(RestrictLine) { |
| 626 | myListOfPnts.Clear(); // to use LineConstructor |
| 627 | } |
| 628 | // |
| 629 | aNbLin = myIntersector.NbLines(); |
| 630 | for (i=1; i<=aNbLin; ++i) { |
| 631 | MakeCurve(i, dom1, dom2); |
| 632 | } |
| 633 | // |
| 634 | ComputeTolReached3d(); |
| 635 | // |
| 636 | if (bReverse) { |
| 637 | Handle(Geom2d_Curve) aC2D1, aC2D2; |
| 638 | // |
| 639 | aNbLin=mySeqOfCurve.Length(); |
| 640 | for (i=1; i<=aNbLin; ++i) { |
| 641 | IntTools_Curve& aIC=mySeqOfCurve(i); |
| 642 | aC2D1=aIC.FirstCurve2d(); |
| 643 | aC2D2=aIC.SecondCurve2d(); |
| 644 | // |
| 645 | aIC.SetFirstCurve2d(aC2D2); |
| 646 | aIC.SetSecondCurve2d(aC2D1); |
| 647 | } |
| 648 | } |
| 649 | // |
| 650 | // Points |
| 651 | Standard_Real U1,V1,U2,V2; |
| 652 | IntTools_PntOnFace aPntOnF1, aPntOnF2; |
| 653 | IntTools_PntOn2Faces aPntOn2Faces; |
| 654 | // |
| 655 | aNbPnts=myIntersector.NbPnts(); |
| 656 | for (i=1; i<=aNbPnts; ++i) { |
| 657 | const IntSurf_PntOn2S& aISPnt=myIntersector.Point(i).PntOn2S(); |
| 658 | const gp_Pnt& aPnt=aISPnt.Value(); |
| 659 | aISPnt.Parameters(U1,V1,U2,V2); |
| 660 | aPntOnF1.Init(myFace1, aPnt, U1, V1); |
| 661 | aPntOnF2.Init(myFace2, aPnt, U2, V2); |
| 662 | // |
| 663 | if (!bReverse) { |
| 664 | aPntOn2Faces.SetP1(aPntOnF1); |
| 665 | aPntOn2Faces.SetP2(aPntOnF2); |
| 666 | } |
| 667 | else { |
| 668 | aPntOn2Faces.SetP2(aPntOnF1); |
| 669 | aPntOn2Faces.SetP1(aPntOnF2); |
| 670 | } |
| 671 | myPnts.Append(aPntOn2Faces); |
| 672 | } |
| 673 | // |
| 674 | } |
| 675 | } |
| 676 | //======================================================================= |
| 677 | //function :ComputeTolReached3d |
| 678 | //purpose : |
| 679 | //======================================================================= |
| 680 | void IntTools_FaceFace::ComputeTolReached3d() |
| 681 | { |
| 682 | Standard_Integer aNbLin; |
| 683 | GeomAbs_SurfaceType aType1, aType2; |
| 684 | // |
| 685 | aNbLin=myIntersector.NbLines(); |
| 686 | // |
| 687 | aType1=myHS1->Surface().GetType(); |
| 688 | aType2=myHS2->Surface().GetType(); |
| 689 | // |
| 690 | if (aNbLin==2 && |
| 691 | aType1==GeomAbs_Cylinder && |
| 692 | aType2==GeomAbs_Cylinder) { |
| 693 | Handle(IntPatch_Line) aIL1, aIL2; |
| 694 | IntPatch_IType aTL1, aTL2; |
| 695 | // |
| 696 | aIL1=myIntersector.Line(1); |
| 697 | aIL2=myIntersector.Line(2); |
| 698 | aTL1=aIL1->ArcType(); |
| 699 | aTL2=aIL2->ArcType(); |
| 700 | if (aTL1==IntPatch_Lin && aTL2==IntPatch_Lin) { |
| 701 | Standard_Real aD, aDTresh, dTol; |
| 702 | gp_Lin aL1, aL2; |
| 703 | // |
| 704 | dTol=1.e-8; |
| 705 | aDTresh=1.5e-6; |
| 706 | // |
| 707 | aL1=Handle(IntPatch_GLine)::DownCast(aIL1)->Line(); |
| 708 | aL2=Handle(IntPatch_GLine)::DownCast(aIL2)->Line(); |
| 709 | aD=aL1.Distance(aL2); |
| 710 | aD=0.5*aD; |
| 711 | if (aD<aDTresh) { |
| 712 | myTolReached3d=aD+dTol; |
| 713 | } |
| 714 | } |
| 715 | } |
| 716 | //904/G3 f |
| 717 | if (aType1==GeomAbs_Plane && |
| 718 | aType2==GeomAbs_Plane) { |
| 719 | Standard_Real aTolF1, aTolF2, aTolFMax, aTolTresh; |
| 720 | // |
| 721 | aTolTresh=1.e-7; |
| 722 | // |
| 723 | aTolF1 = BRep_Tool::Tolerance(myFace1); |
| 724 | aTolF2 = BRep_Tool::Tolerance(myFace2); |
| 725 | aTolFMax=Max(aTolF1, aTolF2); |
| 726 | // |
| 727 | if (aTolFMax>aTolTresh) { |
| 728 | myTolReached3d=aTolFMax; |
| 729 | } |
| 730 | } |
| 731 | //t |
| 732 | //IFV Bug OCC20297 |
| 733 | if((aType1 == GeomAbs_Cylinder && aType2 == GeomAbs_Plane) || |
| 734 | (aType2 == GeomAbs_Cylinder && aType1 == GeomAbs_Plane)) { |
| 735 | if(aNbLin == 1) { |
| 736 | const Handle(IntPatch_Line)& aIL1 = myIntersector.Line(1); |
| 737 | if(aIL1->ArcType() == IntPatch_Circle) { |
| 738 | gp_Circ aCir = Handle(IntPatch_GLine)::DownCast(aIL1)->Circle(); |
| 739 | gp_XYZ aCirDir = aCir.Axis().Direction().XYZ(); |
| 740 | gp_XYZ aPlDir; |
| 741 | gp_Pln aPln; |
| 742 | if(aType1 == GeomAbs_Plane) { |
| 743 | aPln = myHS1->Surface().Plane(); |
| 744 | } |
| 745 | else { |
| 746 | aPln = myHS2->Surface().Plane(); |
| 747 | } |
| 748 | aPlDir = aPln.Axis().Direction().XYZ(); |
| 749 | Standard_Real cs = aCirDir*aPlDir; |
| 750 | if(cs < 0.) aPlDir.Reverse(); |
| 751 | Standard_Real eps = 1.e-14; |
| 752 | if(!aPlDir.IsEqual(aCirDir, eps)) { |
| 753 | Standard_Integer aNbP = 11; |
| 754 | Standard_Real dt = 2.*PI / (aNbP - 1), t; |
| 755 | for(t = 0.; t < 2.*PI; t += dt) { |
| 756 | Standard_Real d = aPln.Distance(ElCLib::Value(t, aCir)); |
| 757 | if(myTolReached3d < d) myTolReached3d = d; |
| 758 | } |
| 759 | myTolReached3d *= 1.1; |
| 760 | } |
| 761 | } //aIL1->ArcType() == IntPatch_Circle |
| 762 | } //aNbLin == 1 |
| 763 | } // aType1 == GeomAbs_Cylinder && aType2 == GeomAbs_Plane) ... |
| 764 | //End IFV Bug OCC20297 |
| 765 | // |
| 766 | if ((aType1==GeomAbs_Plane && aType2==GeomAbs_Torus) || |
| 767 | (aType2==GeomAbs_Plane && aType1==GeomAbs_Torus)) { |
| 768 | aNbLin=mySeqOfCurve.Length(); |
| 769 | if (aNbLin!=1) { |
| 770 | return; |
| 771 | } |
| 772 | // |
| 773 | Standard_Integer i, aNbP; |
| 774 | Standard_Real aT, aT1, aT2, dT, aUT, aVT, aUP, aVP; |
| 775 | Standard_Real aDP, aDT, aDmax; |
| 776 | gp_Pln aPln; |
| 777 | gp_Torus aTorus; |
| 778 | gp_Pnt aP, aPP, aPT; |
| 779 | // |
| 780 | const IntTools_Curve& aIC=mySeqOfCurve(1); |
| 781 | const Handle(Geom_Curve)& aC3D=aIC.Curve(); |
| 782 | const Handle(Geom_BSplineCurve)& aBS=Handle(Geom_BSplineCurve)::DownCast(aC3D); |
| 783 | if (aBS.IsNull()) { |
| 784 | return; |
| 785 | } |
| 786 | // |
| 787 | aT1=aBS->FirstParameter(); |
| 788 | aT2=aBS->LastParameter(); |
| 789 | // |
| 790 | aPln =(aType1==GeomAbs_Plane) ? myHS1->Plane() : myHS2->Plane(); |
| 791 | aTorus=(aType1==GeomAbs_Plane) ? myHS2->Torus() : myHS1->Torus(); |
| 792 | // |
| 793 | aDmax=-1.; |
| 794 | aNbP=11; |
| 795 | dT=(aT2-aT1)/(aNbP-1); |
| 796 | for (i=0; i<aNbP; ++i) { |
| 797 | aT=aT1+i*dT; |
| 798 | if (i==aNbP-1) { |
| 799 | aT=aT2; |
| 800 | } |
| 801 | // |
| 802 | aC3D->D0(aT, aP); |
| 803 | // |
| 804 | ElSLib::Parameters(aPln, aP, aUP, aVP); |
| 805 | aPP=ElSLib::Value(aUP, aVP, aPln); |
| 806 | aDP=aP.SquareDistance(aPP); |
| 807 | if (aDP>aDmax) { |
| 808 | aDmax=aDP; |
| 809 | } |
| 810 | // |
| 811 | ElSLib::Parameters(aTorus, aP, aUT, aVT); |
| 812 | aPT=ElSLib::Value(aUT, aVT, aTorus); |
| 813 | aDT=aP.SquareDistance(aPT); |
| 814 | if (aDT>aDmax) { |
| 815 | aDmax=aDT; |
| 816 | } |
| 817 | } |
| 818 | // |
| 819 | if (aDmax > myTolReached3d*myTolReached3d) { |
| 820 | myTolReached3d=sqrt(aDmax); |
| 821 | myTolReached3d=1.1*myTolReached3d; |
| 822 | } |
| 823 | }// if ((aType1==GeomAbs_Plane && aType2==GeomAbs_Torus) || |
| 824 | // |
| 825 | if ((aType1==GeomAbs_SurfaceOfRevolution && aType2==GeomAbs_Cylinder) || |
| 826 | (aType2==GeomAbs_SurfaceOfRevolution && aType1==GeomAbs_Cylinder)) { |
| 827 | Standard_Boolean bIsDone; |
| 828 | Standard_Integer i, j, aNbP; |
| 829 | Standard_Real aT, aT1, aT2, dT, aU1, aV1, aU2, aV2; |
| 830 | Standard_Real aDSmax, aDS1, aDS2, aDS; |
| 831 | gp_Pnt2d aP2D1, aP2D2; |
| 832 | gp_Pnt aP3D, aP3D1, aP3D2; |
| 833 | IntTools_Context aCtx; |
| 834 | // |
| 835 | aNbLin=mySeqOfCurve.Length(); |
| 836 | aDSmax=-1.; |
| 837 | aNbP=11; |
| 838 | // |
| 839 | for (i=1; i<=aNbLin; ++i) { |
| 840 | const IntTools_Curve& aIC=mySeqOfCurve(i); |
| 841 | const Handle(Geom_Curve)& aC3D=aIC.Curve(); |
| 842 | const Handle(Geom2d_Curve)& aC2D1=aIC.FirstCurve2d(); |
| 843 | const Handle(Geom2d_Curve)& aC2D2=aIC.SecondCurve2d(); |
| 844 | // |
| 845 | if (aC3D.IsNull()) { |
| 846 | continue; |
| 847 | } |
| 848 | const Handle(Geom_BSplineCurve)& aBC=Handle(Geom_BSplineCurve)::DownCast(aC3D); |
| 849 | if (aBC.IsNull()) { |
| 850 | return; |
| 851 | } |
| 852 | // |
| 853 | aT1=aBC->FirstParameter(); |
| 854 | aT2=aBC->LastParameter(); |
| 855 | // |
| 856 | dT=(aT2-aT1)/(aNbP-1); |
| 857 | for (j=0; j<aNbP; ++j) { |
| 858 | aT=aT1+j*dT; |
| 859 | if (j==aNbP-1) { |
| 860 | aT=aT2; |
| 861 | } |
| 862 | // |
| 863 | aC3D->D0(aT, aP3D); |
| 864 | // 1 |
| 865 | if (!aC2D1.IsNull()) { |
| 866 | aC2D1->D0(aT, aP2D1); |
| 867 | aP2D1.Coord(aU1, aV1); |
| 868 | myHS1->D0(aU1, aV1, aP3D1); |
| 869 | aDS1=aP3D.SquareDistance(aP3D1); |
| 870 | if (aDS1>aDSmax) { |
| 871 | aDSmax=aDS1; |
| 872 | } |
| 873 | } |
| 874 | // 2 |
| 875 | if (!aC2D2.IsNull()) { |
| 876 | aC2D2->D0(aT, aP2D2); |
| 877 | aP2D2.Coord(aU2, aV2); |
| 878 | myHS2->D0(aU2, aV2, aP3D2); |
| 879 | aDS2=aP3D.SquareDistance(aP3D2); |
| 880 | if (aDS2>aDSmax) { |
| 881 | aDSmax=aDS2; |
| 882 | } |
| 883 | } |
| 884 | // 3 |
| 885 | GeomAPI_ProjectPointOnSurf& aPPS1=aCtx.ProjPS(myFace1); |
| 886 | aPPS1.Perform(aP3D); |
| 887 | bIsDone=aPPS1.IsDone(); |
| 888 | if (bIsDone) { |
| 889 | aPPS1.LowerDistanceParameters(aU1, aV1); |
| 890 | myHS1->D0(aU1, aV1, aP3D1); |
| 891 | aDS1=aP3D.SquareDistance(aP3D1); |
| 892 | if (aDS1>aDSmax) { |
| 893 | aDSmax=aDS1; |
| 894 | } |
| 895 | } |
| 896 | // 4 |
| 897 | GeomAPI_ProjectPointOnSurf& aPPS2=aCtx.ProjPS(myFace2); |
| 898 | aPPS2.Perform(aP3D); |
| 899 | bIsDone=aPPS2.IsDone(); |
| 900 | if (bIsDone) { |
| 901 | aPPS2.LowerDistanceParameters(aU2, aV2); |
| 902 | myHS2->D0(aU2, aV2, aP3D2); |
| 903 | aDS2=aP3D.SquareDistance(aP3D2); |
| 904 | if (aDS2>aDSmax) { |
| 905 | aDSmax=aDS2; |
| 906 | } |
| 907 | } |
| 908 | }//for (j=0; j<aNbP; ++j) { |
| 909 | }//for (i=1; i<=aNbLin; ++i) { |
| 910 | // |
| 911 | aDS=myTolReached3d*myTolReached3d; |
| 912 | if (aDSmax > aDS) { |
| 913 | myTolReached3d=sqrt(aDSmax); |
| 914 | } |
| 915 | }//if((aType1==GeomAbs_SurfaceOfRevolution ... |
| 916 | } |
| 917 | //======================================================================= |
| 918 | //function : MakeCurve |
| 919 | //purpose : |
| 920 | //======================================================================= |
| 921 | void IntTools_FaceFace::MakeCurve(const Standard_Integer Index, |
| 922 | const Handle(Adaptor3d_TopolTool)& dom1, |
| 923 | const Handle(Adaptor3d_TopolTool)& dom2) |
| 924 | { |
| 925 | Standard_Boolean bDone, rejectSurface, reApprox, bAvoidLineConstructor; |
| 926 | Standard_Boolean ok; |
| 927 | Standard_Integer i, j, aNbParts; |
| 928 | Standard_Real fprm, lprm; |
| 929 | Standard_Real Tolpc; |
| 930 | Handle(IntPatch_Line) L; |
| 931 | IntPatch_IType typl; |
| 932 | Handle(Geom_Curve) newc; |
| 933 | // |
| 934 | const Standard_Real TOLCHECK =0.0000001; |
| 935 | const Standard_Real TOLANGCHECK=0.1; |
| 936 | // |
| 937 | rejectSurface = Standard_False; |
| 938 | reApprox = Standard_False; |
| 939 | |
| 940 | reapprox:; |
| 941 | |
| 942 | Tolpc = myTolApprox; |
| 943 | bAvoidLineConstructor = Standard_False; |
| 944 | L = myIntersector.Line(Index); |
| 945 | typl = L->ArcType(); |
| 946 | // |
| 947 | if(typl==IntPatch_Walking) { |
| 948 | Handle(IntPatch_Line) anewL; |
| 949 | // |
| 950 | const Handle(IntPatch_WLine)& aWLine= |
| 951 | Handle(IntPatch_WLine)::DownCast(L); |
| 952 | // |
| 953 | anewL = ComputePurgedWLine(aWLine); |
| 954 | if(anewL.IsNull()) { |
| 955 | return; |
| 956 | } |
| 957 | L = anewL; |
| 958 | // |
| 959 | if(!myListOfPnts.IsEmpty()) { |
| 960 | bAvoidLineConstructor = Standard_True; |
| 961 | } |
| 962 | |
| 963 | Standard_Integer nbp = aWLine->NbPnts(); |
| 964 | const IntSurf_PntOn2S& p1 = aWLine->Point(1); |
| 965 | const IntSurf_PntOn2S& p2 = aWLine->Point(nbp); |
| 966 | |
| 967 | const gp_Pnt& P1 = p1.Value(); |
| 968 | const gp_Pnt& P2 = p2.Value(); |
| 969 | |
| 970 | if(P1.SquareDistance(P2) < 1.e-14) { |
| 971 | bAvoidLineConstructor = Standard_False; |
| 972 | } |
| 973 | |
| 974 | } |
| 975 | // |
| 976 | // Line Constructor |
| 977 | if(!bAvoidLineConstructor) { |
| 978 | myLConstruct.Perform(L); |
| 979 | // |
| 980 | bDone=myLConstruct.IsDone(); |
| 981 | aNbParts=myLConstruct.NbParts(); |
| 982 | if (!bDone|| !aNbParts) { |
| 983 | return; |
| 984 | } |
| 985 | } |
| 986 | // Do the Curve |
| 987 | |
| 988 | |
| 989 | typl=L->ArcType(); |
| 990 | switch (typl) { |
| 991 | //######################################## |
| 992 | // Line, Parabola, Hyperbola |
| 993 | //######################################## |
| 994 | case IntPatch_Lin: |
| 995 | case IntPatch_Parabola: |
| 996 | case IntPatch_Hyperbola: { |
| 997 | if (typl == IntPatch_Lin) { |
| 998 | newc = |
| 999 | new Geom_Line (Handle(IntPatch_GLine)::DownCast(L)->Line()); |
| 1000 | } |
| 1001 | |
| 1002 | else if (typl == IntPatch_Parabola) { |
| 1003 | newc = |
| 1004 | new Geom_Parabola(Handle(IntPatch_GLine)::DownCast(L)->Parabola()); |
| 1005 | } |
| 1006 | |
| 1007 | else if (typl == IntPatch_Hyperbola) { |
| 1008 | newc = |
| 1009 | new Geom_Hyperbola (Handle(IntPatch_GLine)::DownCast(L)->Hyperbola()); |
| 1010 | } |
| 1011 | // |
| 1012 | // myTolReached3d |
| 1013 | if (typl == IntPatch_Lin) { |
| 1014 | TolR3d (myFace1, myFace2, myTolReached3d); |
| 1015 | } |
| 1016 | // |
| 1017 | aNbParts=myLConstruct.NbParts(); |
| 1018 | for (i=1; i<=aNbParts; i++) { |
| 1019 | myLConstruct.Part(i, fprm, lprm); |
| 1020 | |
| 1021 | if (!Precision::IsNegativeInfinite(fprm) && |
| 1022 | !Precision::IsPositiveInfinite(lprm)) { |
| 1023 | // |
| 1024 | IntTools_Curve aCurve; |
| 1025 | // |
| 1026 | Handle(Geom_TrimmedCurve) aCT3D=new Geom_TrimmedCurve(newc, fprm, lprm); |
| 1027 | aCurve.SetCurve(aCT3D); |
| 1028 | if (typl == IntPatch_Parabola) { |
| 1029 | Standard_Real aTolF1, aTolF2, aTolBase; |
| 1030 | |
| 1031 | aTolF1 = BRep_Tool::Tolerance(myFace1); |
| 1032 | aTolF2 = BRep_Tool::Tolerance(myFace2); |
| 1033 | aTolBase=aTolF1+aTolF2; |
| 1034 | myTolReached3d=IntTools_Tools::CurveTolerance(aCT3D, aTolBase); |
| 1035 | } |
| 1036 | // |
| 1037 | aCurve.SetCurve(new Geom_TrimmedCurve(newc, fprm, lprm)); |
| 1038 | if(myApprox1) { |
| 1039 | Handle (Geom2d_Curve) C2d; |
| 1040 | BuildPCurves(fprm, lprm, Tolpc, myHS1->ChangeSurface().Surface(), newc, C2d); |
| 1041 | if(Tolpc>myTolReached2d || myTolReached2d==0.) { |
| 1042 | myTolReached2d=Tolpc; |
| 1043 | } |
| 1044 | // |
| 1045 | aCurve.SetFirstCurve2d(new Geom2d_TrimmedCurve(C2d,fprm,lprm)); |
| 1046 | } |
| 1047 | else { |
| 1048 | Handle(Geom2d_BSplineCurve) H1; |
| 1049 | // |
| 1050 | aCurve.SetFirstCurve2d(H1); |
| 1051 | } |
| 1052 | |
| 1053 | if(myApprox2) { |
| 1054 | Handle (Geom2d_Curve) C2d; |
| 1055 | BuildPCurves(fprm,lprm,Tolpc,myHS2->ChangeSurface().Surface(),newc,C2d); |
| 1056 | if(Tolpc>myTolReached2d || myTolReached2d==0.) { |
| 1057 | myTolReached2d=Tolpc; |
| 1058 | } |
| 1059 | // |
| 1060 | aCurve.SetSecondCurve2d(new Geom2d_TrimmedCurve(C2d,fprm,lprm)); |
| 1061 | } |
| 1062 | else { |
| 1063 | Handle(Geom2d_BSplineCurve) H1; |
| 1064 | // |
| 1065 | aCurve.SetSecondCurve2d(H1); |
| 1066 | } |
| 1067 | mySeqOfCurve.Append(aCurve); |
| 1068 | } // end of if (!Precision::IsNegativeInfinite(fprm) && !Precision::IsPositiveInfinite(lprm)) |
| 1069 | |
| 1070 | else { |
| 1071 | // on regarde si on garde |
| 1072 | // |
| 1073 | Standard_Boolean bFNIt, bLPIt; |
| 1074 | Standard_Real aTestPrm, dT=100.; |
| 1075 | |
| 1076 | bFNIt=Precision::IsNegativeInfinite(fprm); |
| 1077 | bLPIt=Precision::IsPositiveInfinite(lprm); |
| 1078 | |
| 1079 | aTestPrm=0.; |
| 1080 | |
| 1081 | if (bFNIt && !bLPIt) { |
| 1082 | aTestPrm=lprm-dT; |
| 1083 | } |
| 1084 | else if (!bFNIt && bLPIt) { |
| 1085 | aTestPrm=fprm+dT; |
| 1086 | } |
| 1087 | |
| 1088 | gp_Pnt ptref(newc->Value(aTestPrm)); |
| 1089 | // |
| 1090 | |
| 1091 | Standard_Real u1, v1, u2, v2, Tol; |
| 1092 | |
| 1093 | Tol = Precision::Confusion(); |
| 1094 | Parameters(myHS1, myHS2, ptref, u1, v1, u2, v2); |
| 1095 | ok = (dom1->Classify(gp_Pnt2d(u1, v1), Tol) != TopAbs_OUT); |
| 1096 | if(ok) { |
| 1097 | ok = (dom2->Classify(gp_Pnt2d(u2,v2),Tol) != TopAbs_OUT); |
| 1098 | } |
| 1099 | if (ok) { |
| 1100 | Handle(Geom2d_BSplineCurve) H1; |
| 1101 | mySeqOfCurve.Append(IntTools_Curve(newc, H1, H1)); |
| 1102 | } |
| 1103 | } |
| 1104 | }// end of for (i=1; i<=myLConstruct.NbParts(); i++) |
| 1105 | }// case IntPatch_Lin: case IntPatch_Parabola: case IntPatch_Hyperbola: |
| 1106 | break; |
| 1107 | |
| 1108 | //######################################## |
| 1109 | // Circle and Ellipse |
| 1110 | //######################################## |
| 1111 | case IntPatch_Circle: |
| 1112 | case IntPatch_Ellipse: { |
| 1113 | |
| 1114 | if (typl == IntPatch_Circle) { |
| 1115 | newc = new Geom_Circle |
| 1116 | (Handle(IntPatch_GLine)::DownCast(L)->Circle()); |
| 1117 | } |
| 1118 | else { //IntPatch_Ellipse |
| 1119 | newc = new Geom_Ellipse |
| 1120 | (Handle(IntPatch_GLine)::DownCast(L)->Ellipse()); |
| 1121 | } |
| 1122 | // |
| 1123 | // myTolReached3d |
| 1124 | TolR3d (myFace1, myFace2, myTolReached3d); |
| 1125 | // |
| 1126 | aNbParts=myLConstruct.NbParts(); |
| 1127 | // |
| 1128 | Standard_Real aPeriod, aNul; |
| 1129 | TColStd_SequenceOfReal aSeqFprm, aSeqLprm; |
| 1130 | |
| 1131 | aNul=0.; |
| 1132 | aPeriod=PI+PI; |
| 1133 | |
| 1134 | for (i=1; i<=aNbParts; i++) { |
| 1135 | myLConstruct.Part(i, fprm, lprm); |
| 1136 | |
| 1137 | if (fprm < aNul && lprm > aNul) { |
| 1138 | // interval that goes through 0. is divided on two intervals; |
| 1139 | while (fprm<aNul || fprm>aPeriod) fprm=fprm+aPeriod; |
| 1140 | while (lprm<aNul || lprm>aPeriod) lprm=lprm+aPeriod; |
| 1141 | // |
| 1142 | if((aPeriod - fprm) > Tolpc) { |
| 1143 | aSeqFprm.Append(fprm); |
| 1144 | aSeqLprm.Append(aPeriod); |
| 1145 | } |
| 1146 | else { |
| 1147 | gp_Pnt P1 = newc->Value(fprm); |
| 1148 | gp_Pnt P2 = newc->Value(aPeriod); |
| 1149 | Standard_Real aTolDist = BRep_Tool::Tolerance(myFace1) + BRep_Tool::Tolerance(myFace2); |
| 1150 | aTolDist = (myTolReached3d > aTolDist) ? myTolReached3d : aTolDist; |
| 1151 | |
| 1152 | if(P1.Distance(P2) > aTolDist) { |
| 1153 | Standard_Real anewpar = fprm; |
| 1154 | |
| 1155 | if(ParameterOutOfBoundary(fprm, newc, myFace1, myFace2, lprm, Standard_False, anewpar)) { |
| 1156 | fprm = anewpar; |
| 1157 | } |
| 1158 | aSeqFprm.Append(fprm); |
| 1159 | aSeqLprm.Append(aPeriod); |
| 1160 | } |
| 1161 | } |
| 1162 | |
| 1163 | // |
| 1164 | if((lprm - aNul) > Tolpc) { |
| 1165 | aSeqFprm.Append(aNul); |
| 1166 | aSeqLprm.Append(lprm); |
| 1167 | } |
| 1168 | else { |
| 1169 | gp_Pnt P1 = newc->Value(aNul); |
| 1170 | gp_Pnt P2 = newc->Value(lprm); |
| 1171 | Standard_Real aTolDist = BRep_Tool::Tolerance(myFace1) + BRep_Tool::Tolerance(myFace2); |
| 1172 | aTolDist = (myTolReached3d > aTolDist) ? myTolReached3d : aTolDist; |
| 1173 | |
| 1174 | if(P1.Distance(P2) > aTolDist) { |
| 1175 | Standard_Real anewpar = lprm; |
| 1176 | |
| 1177 | if(ParameterOutOfBoundary(lprm, newc, myFace1, myFace2, fprm, Standard_True, anewpar)) { |
| 1178 | lprm = anewpar; |
| 1179 | } |
| 1180 | aSeqFprm.Append(aNul); |
| 1181 | aSeqLprm.Append(lprm); |
| 1182 | } |
| 1183 | } |
| 1184 | } |
| 1185 | else { |
| 1186 | // usual interval |
| 1187 | aSeqFprm.Append(fprm); |
| 1188 | aSeqLprm.Append(lprm); |
| 1189 | } |
| 1190 | } |
| 1191 | |
| 1192 | // |
| 1193 | aNbParts=aSeqFprm.Length(); |
| 1194 | for (i=1; i<=aNbParts; i++) { |
| 1195 | fprm=aSeqFprm(i); |
| 1196 | lprm=aSeqLprm(i); |
| 1197 | // |
| 1198 | Standard_Real aRealEpsilon=RealEpsilon(); |
| 1199 | if (Abs(fprm) > aRealEpsilon || Abs(lprm-2.*PI) > aRealEpsilon) { |
| 1200 | //============================================== |
| 1201 | //// |
| 1202 | IntTools_Curve aCurve; |
| 1203 | Handle(Geom_TrimmedCurve) aTC3D=new Geom_TrimmedCurve(newc,fprm,lprm); |
| 1204 | aCurve.SetCurve(aTC3D); |
| 1205 | fprm=aTC3D->FirstParameter(); |
| 1206 | lprm=aTC3D->LastParameter (); |
| 1207 | //// |
| 1208 | if (typl == IntPatch_Circle || typl == IntPatch_Ellipse) {//// |
| 1209 | if(myApprox1) { |
| 1210 | Handle (Geom2d_Curve) C2d; |
| 1211 | BuildPCurves(fprm,lprm,Tolpc,myHS1->ChangeSurface().Surface(),newc,C2d); |
| 1212 | if(Tolpc>myTolReached2d || myTolReached2d==0) { |
| 1213 | myTolReached2d=Tolpc; |
| 1214 | } |
| 1215 | // |
| 1216 | aCurve.SetFirstCurve2d(C2d); |
| 1217 | } |
| 1218 | else { //// |
| 1219 | Handle(Geom2d_BSplineCurve) H1; |
| 1220 | aCurve.SetFirstCurve2d(H1); |
| 1221 | } |
| 1222 | |
| 1223 | |
| 1224 | if(myApprox2) { |
| 1225 | Handle (Geom2d_Curve) C2d; |
| 1226 | BuildPCurves(fprm,lprm,Tolpc,myHS2->ChangeSurface().Surface(),newc,C2d); |
| 1227 | if(Tolpc>myTolReached2d || myTolReached2d==0) { |
| 1228 | myTolReached2d=Tolpc; |
| 1229 | } |
| 1230 | // |
| 1231 | aCurve.SetSecondCurve2d(C2d); |
| 1232 | } |
| 1233 | else { |
| 1234 | Handle(Geom2d_BSplineCurve) H1; |
| 1235 | aCurve.SetSecondCurve2d(H1); |
| 1236 | } |
| 1237 | } |
| 1238 | |
| 1239 | else { |
| 1240 | Handle(Geom2d_BSplineCurve) H1; |
| 1241 | aCurve.SetFirstCurve2d(H1); |
| 1242 | aCurve.SetSecondCurve2d(H1); |
| 1243 | } |
| 1244 | mySeqOfCurve.Append(aCurve); |
| 1245 | //============================================== |
| 1246 | } //if (Abs(fprm) > RealEpsilon() || Abs(lprm-2.*PI) > RealEpsilon()) |
| 1247 | |
| 1248 | else { |
| 1249 | // on regarde si on garde |
| 1250 | // |
| 1251 | if (aNbParts==1) { |
| 1252 | // if (Abs(fprm) < RealEpsilon() && Abs(lprm-2.*PI) < RealEpsilon()) { |
| 1253 | if (Abs(fprm) <= aRealEpsilon && Abs(lprm-2.*PI) <= aRealEpsilon) { |
| 1254 | IntTools_Curve aCurve; |
| 1255 | Handle(Geom_TrimmedCurve) aTC3D=new Geom_TrimmedCurve(newc,fprm,lprm); |
| 1256 | aCurve.SetCurve(aTC3D); |
| 1257 | fprm=aTC3D->FirstParameter(); |
| 1258 | lprm=aTC3D->LastParameter (); |
| 1259 | |
| 1260 | if(myApprox1) { |
| 1261 | Handle (Geom2d_Curve) C2d; |
| 1262 | BuildPCurves(fprm,lprm,Tolpc,myHS1->ChangeSurface().Surface(),newc,C2d); |
| 1263 | if(Tolpc>myTolReached2d || myTolReached2d==0) { |
| 1264 | myTolReached2d=Tolpc; |
| 1265 | } |
| 1266 | // |
| 1267 | aCurve.SetFirstCurve2d(C2d); |
| 1268 | } |
| 1269 | else { //// |
| 1270 | Handle(Geom2d_BSplineCurve) H1; |
| 1271 | aCurve.SetFirstCurve2d(H1); |
| 1272 | } |
| 1273 | |
| 1274 | if(myApprox2) { |
| 1275 | Handle (Geom2d_Curve) C2d; |
| 1276 | BuildPCurves(fprm,lprm,Tolpc,myHS2->ChangeSurface().Surface(),newc,C2d); |
| 1277 | if(Tolpc>myTolReached2d || myTolReached2d==0) { |
| 1278 | myTolReached2d=Tolpc; |
| 1279 | } |
| 1280 | // |
| 1281 | aCurve.SetSecondCurve2d(C2d); |
| 1282 | } |
| 1283 | else { |
| 1284 | Handle(Geom2d_BSplineCurve) H1; |
| 1285 | aCurve.SetSecondCurve2d(H1); |
| 1286 | } |
| 1287 | mySeqOfCurve.Append(aCurve); |
| 1288 | break; |
| 1289 | } |
| 1290 | } |
| 1291 | // |
| 1292 | Standard_Real aTwoPIdiv17, u1, v1, u2, v2, Tol; |
| 1293 | |
| 1294 | aTwoPIdiv17=2.*PI/17.; |
| 1295 | |
| 1296 | for (j=0; j<=17; j++) { |
| 1297 | gp_Pnt ptref (newc->Value (j*aTwoPIdiv17)); |
| 1298 | Tol = Precision::Confusion(); |
| 1299 | |
| 1300 | Parameters(myHS1, myHS2, ptref, u1, v1, u2, v2); |
| 1301 | ok = (dom1->Classify(gp_Pnt2d(u1,v1),Tol) != TopAbs_OUT); |
| 1302 | if(ok) { |
| 1303 | ok = (dom2->Classify(gp_Pnt2d(u2,v2),Tol) != TopAbs_OUT); |
| 1304 | } |
| 1305 | if (ok) { |
| 1306 | IntTools_Curve aCurve; |
| 1307 | aCurve.SetCurve(newc); |
| 1308 | //============================================== |
| 1309 | if (typl == IntPatch_Circle || typl == IntPatch_Ellipse) { |
| 1310 | |
| 1311 | if(myApprox1) { |
| 1312 | Handle (Geom2d_Curve) C2d; |
| 1313 | BuildPCurves(fprm, lprm, Tolpc, myHS1->ChangeSurface().Surface(), newc, C2d); |
| 1314 | if(Tolpc>myTolReached2d || myTolReached2d==0) { |
| 1315 | myTolReached2d=Tolpc; |
| 1316 | } |
| 1317 | // |
| 1318 | aCurve.SetFirstCurve2d(C2d); |
| 1319 | } |
| 1320 | else { |
| 1321 | Handle(Geom2d_BSplineCurve) H1; |
| 1322 | aCurve.SetFirstCurve2d(H1); |
| 1323 | } |
| 1324 | |
| 1325 | if(myApprox2) { |
| 1326 | Handle (Geom2d_Curve) C2d; |
| 1327 | BuildPCurves(fprm, lprm, Tolpc,myHS2->ChangeSurface().Surface(), newc, C2d); |
| 1328 | if(Tolpc>myTolReached2d || myTolReached2d==0) { |
| 1329 | myTolReached2d=Tolpc; |
| 1330 | } |
| 1331 | // |
| 1332 | aCurve.SetSecondCurve2d(C2d); |
| 1333 | } |
| 1334 | |
| 1335 | else { |
| 1336 | Handle(Geom2d_BSplineCurve) H1; |
| 1337 | aCurve.SetSecondCurve2d(H1); |
| 1338 | } |
| 1339 | }// end of if (typl == IntPatch_Circle || typl == IntPatch_Ellipse) |
| 1340 | |
| 1341 | else { |
| 1342 | Handle(Geom2d_BSplineCurve) H1; |
| 1343 | // |
| 1344 | aCurve.SetFirstCurve2d(H1); |
| 1345 | aCurve.SetSecondCurve2d(H1); |
| 1346 | } |
| 1347 | //============================================== |
| 1348 | // |
| 1349 | mySeqOfCurve.Append(aCurve); |
| 1350 | break; |
| 1351 | |
| 1352 | }// end of if (ok) { |
| 1353 | }// end of for (Standard_Integer j=0; j<=17; j++) |
| 1354 | }// end of else { on regarde si on garde |
| 1355 | }// for (i=1; i<=myLConstruct.NbParts(); i++) |
| 1356 | }// IntPatch_Circle: IntPatch_Ellipse: |
| 1357 | break; |
| 1358 | |
| 1359 | case IntPatch_Analytic: { |
| 1360 | IntSurf_Quadric quad1,quad2; |
| 1361 | GeomAbs_SurfaceType typs = myHS1->Surface().GetType(); |
| 1362 | |
| 1363 | switch (typs) { |
| 1364 | case GeomAbs_Plane: |
| 1365 | quad1.SetValue(myHS1->Surface().Plane()); |
| 1366 | break; |
| 1367 | case GeomAbs_Cylinder: |
| 1368 | quad1.SetValue(myHS1->Surface().Cylinder()); |
| 1369 | break; |
| 1370 | case GeomAbs_Cone: |
| 1371 | quad1.SetValue(myHS1->Surface().Cone()); |
| 1372 | break; |
| 1373 | case GeomAbs_Sphere: |
| 1374 | quad1.SetValue(myHS1->Surface().Sphere()); |
| 1375 | break; |
| 1376 | default: |
| 1377 | Standard_ConstructionError::Raise("GeomInt_IntSS::MakeCurve 1"); |
| 1378 | } |
| 1379 | |
| 1380 | typs = myHS2->Surface().GetType(); |
| 1381 | |
| 1382 | switch (typs) { |
| 1383 | case GeomAbs_Plane: |
| 1384 | quad2.SetValue(myHS2->Surface().Plane()); |
| 1385 | break; |
| 1386 | case GeomAbs_Cylinder: |
| 1387 | quad2.SetValue(myHS2->Surface().Cylinder()); |
| 1388 | break; |
| 1389 | case GeomAbs_Cone: |
| 1390 | quad2.SetValue(myHS2->Surface().Cone()); |
| 1391 | break; |
| 1392 | case GeomAbs_Sphere: |
| 1393 | quad2.SetValue(myHS2->Surface().Sphere()); |
| 1394 | break; |
| 1395 | default: |
| 1396 | Standard_ConstructionError::Raise("GeomInt_IntSS::MakeCurve 2"); |
| 1397 | } |
| 1398 | // |
| 1399 | //========= |
| 1400 | IntPatch_ALineToWLine convert (quad1, quad2); |
| 1401 | |
| 1402 | if (!myApprox) { |
| 1403 | aNbParts=myLConstruct.NbParts(); |
| 1404 | for (i=1; i<=aNbParts; i++) { |
| 1405 | myLConstruct.Part(i, fprm, lprm); |
| 1406 | Handle(IntPatch_WLine) WL = |
| 1407 | convert.MakeWLine(Handle(IntPatch_ALine)::DownCast(L), fprm, lprm); |
| 1408 | // |
| 1409 | Handle(Geom2d_BSplineCurve) H1; |
| 1410 | Handle(Geom2d_BSplineCurve) H2; |
| 1411 | |
| 1412 | if(myApprox1) { |
| 1413 | H1 = MakeBSpline2d(WL, 1, WL->NbPnts(), Standard_True); |
| 1414 | } |
| 1415 | |
| 1416 | if(myApprox2) { |
| 1417 | H2 = MakeBSpline2d(WL, 1, WL->NbPnts(), Standard_False); |
| 1418 | } |
| 1419 | // |
| 1420 | mySeqOfCurve.Append(IntTools_Curve(MakeBSpline(WL,1,WL->NbPnts()), H1, H2)); |
| 1421 | } |
| 1422 | } // if (!myApprox) |
| 1423 | |
| 1424 | else { // myApprox=TRUE |
| 1425 | GeomInt_WLApprox theapp3d; |
| 1426 | // |
| 1427 | Standard_Real tol2d = myTolApprox; |
| 1428 | // |
| 1429 | theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, Standard_True); |
| 1430 | |
| 1431 | aNbParts=myLConstruct.NbParts(); |
| 1432 | for (i=1; i<=aNbParts; i++) { |
| 1433 | myLConstruct.Part(i, fprm, lprm); |
| 1434 | Handle(IntPatch_WLine) WL = |
| 1435 | convert.MakeWLine(Handle(IntPatch_ALine):: DownCast(L),fprm,lprm); |
| 1436 | |
| 1437 | theapp3d.Perform(myHS1,myHS2,WL,Standard_True,myApprox1,myApprox2, 1, WL->NbPnts()); |
| 1438 | |
| 1439 | if (!theapp3d.IsDone()) { |
| 1440 | // |
| 1441 | Handle(Geom2d_BSplineCurve) H1; |
| 1442 | Handle(Geom2d_BSplineCurve) H2; |
| 1443 | |
| 1444 | if(myApprox1) { |
| 1445 | H1 = MakeBSpline2d(WL, 1, WL->NbPnts(), Standard_True); |
| 1446 | } |
| 1447 | |
| 1448 | if(myApprox2) { |
| 1449 | H2 = MakeBSpline2d(WL, 1, WL->NbPnts(), Standard_False); |
| 1450 | } |
| 1451 | // |
| 1452 | mySeqOfCurve.Append(IntTools_Curve(MakeBSpline(WL,1,WL->NbPnts()), H1, H2)); |
| 1453 | } |
| 1454 | |
| 1455 | else { |
| 1456 | if(myApprox1 || myApprox2) { |
| 1457 | if( theapp3d.TolReached2d()>myTolReached2d || myTolReached2d==0) { |
| 1458 | myTolReached2d = theapp3d.TolReached2d(); |
| 1459 | } |
| 1460 | } |
| 1461 | |
| 1462 | if( theapp3d.TolReached3d()>myTolReached3d || myTolReached3d==0) { |
| 1463 | myTolReached3d = theapp3d.TolReached3d(); |
| 1464 | } |
| 1465 | |
| 1466 | Standard_Integer aNbMultiCurves, nbpoles; |
| 1467 | aNbMultiCurves=theapp3d.NbMultiCurves(); |
| 1468 | for (j=1; j<=aNbMultiCurves; j++) { |
| 1469 | const AppParCurves_MultiBSpCurve& mbspc = theapp3d.Value(j); |
| 1470 | nbpoles = mbspc.NbPoles(); |
| 1471 | |
| 1472 | TColgp_Array1OfPnt tpoles(1, nbpoles); |
| 1473 | mbspc.Curve(1, tpoles); |
| 1474 | Handle(Geom_BSplineCurve) BS=new Geom_BSplineCurve(tpoles, |
| 1475 | mbspc.Knots(), |
| 1476 | mbspc.Multiplicities(), |
| 1477 | mbspc.Degree()); |
| 1478 | |
| 1479 | GeomLib_CheckBSplineCurve Check(BS,TOLCHECK,TOLANGCHECK); |
| 1480 | Check.FixTangent(Standard_True,Standard_True); |
| 1481 | // |
| 1482 | IntTools_Curve aCurve; |
| 1483 | aCurve.SetCurve(BS); |
| 1484 | |
| 1485 | if(myApprox1) { |
| 1486 | TColgp_Array1OfPnt2d tpoles2d(1,nbpoles); |
| 1487 | mbspc.Curve(2,tpoles2d); |
| 1488 | Handle(Geom2d_BSplineCurve) BS2=new Geom2d_BSplineCurve(tpoles2d, |
| 1489 | mbspc.Knots(), |
| 1490 | mbspc.Multiplicities(), |
| 1491 | mbspc.Degree()); |
| 1492 | |
| 1493 | GeomLib_Check2dBSplineCurve newCheck(BS2,TOLCHECK,TOLANGCHECK); |
| 1494 | newCheck.FixTangent(Standard_True,Standard_True); |
| 1495 | // |
| 1496 | aCurve.SetFirstCurve2d(BS2); |
| 1497 | } |
| 1498 | else { |
| 1499 | Handle(Geom2d_BSplineCurve) H1; |
| 1500 | aCurve.SetFirstCurve2d(H1); |
| 1501 | } |
| 1502 | |
| 1503 | if(myApprox2) { |
| 1504 | TColgp_Array1OfPnt2d tpoles2d(1, nbpoles); |
| 1505 | Standard_Integer TwoOrThree; |
| 1506 | TwoOrThree=myApprox1 ? 3 : 2; |
| 1507 | mbspc.Curve(TwoOrThree, tpoles2d); |
| 1508 | Handle(Geom2d_BSplineCurve) BS2 =new Geom2d_BSplineCurve(tpoles2d, |
| 1509 | mbspc.Knots(), |
| 1510 | mbspc.Multiplicities(), |
| 1511 | mbspc.Degree()); |
| 1512 | |
| 1513 | GeomLib_Check2dBSplineCurve newCheck(BS2,TOLCHECK,TOLANGCHECK); |
| 1514 | newCheck.FixTangent(Standard_True,Standard_True); |
| 1515 | // |
| 1516 | aCurve.SetSecondCurve2d(BS2); |
| 1517 | } |
| 1518 | else { |
| 1519 | Handle(Geom2d_BSplineCurve) H2; |
| 1520 | aCurve.SetSecondCurve2d(H2); |
| 1521 | } |
| 1522 | // |
| 1523 | mySeqOfCurve.Append(aCurve); |
| 1524 | |
| 1525 | }// for (j=1; j<=aNbMultiCurves; j++) { |
| 1526 | }// else from if (!theapp3d.IsDone()) |
| 1527 | }// for (i=1; i<=aNbParts; i++) { |
| 1528 | }// else { // myApprox=TRUE |
| 1529 | }// case IntPatch_Analytic: |
| 1530 | break; |
| 1531 | |
| 1532 | case IntPatch_Walking:{ |
| 1533 | Handle(IntPatch_WLine) WL = |
| 1534 | Handle(IntPatch_WLine)::DownCast(L); |
| 1535 | // |
| 1536 | Standard_Integer ifprm, ilprm; |
| 1537 | // |
| 1538 | if (!myApprox) { |
| 1539 | aNbParts = 1; |
| 1540 | if(!bAvoidLineConstructor){ |
| 1541 | aNbParts=myLConstruct.NbParts(); |
| 1542 | } |
| 1543 | for (i=1; i<=aNbParts; ++i) { |
| 1544 | Handle(Geom2d_BSplineCurve) H1, H2; |
| 1545 | Handle(Geom_Curve) aBSp; |
| 1546 | // |
| 1547 | if(bAvoidLineConstructor) { |
| 1548 | ifprm = 1; |
| 1549 | ilprm = WL->NbPnts(); |
| 1550 | } |
| 1551 | else { |
| 1552 | myLConstruct.Part(i, fprm, lprm); |
| 1553 | ifprm=(Standard_Integer)fprm; |
| 1554 | ilprm=(Standard_Integer)lprm; |
| 1555 | } |
| 1556 | // |
| 1557 | if(myApprox1) { |
| 1558 | H1 = MakeBSpline2d(WL, ifprm, ilprm, Standard_True); |
| 1559 | } |
| 1560 | // |
| 1561 | if(myApprox2) { |
| 1562 | H2 = MakeBSpline2d(WL, ifprm, ilprm, Standard_False); |
| 1563 | } |
| 1564 | // |
| 1565 | aBSp=MakeBSpline(WL, ifprm, ilprm); |
| 1566 | IntTools_Curve aIC(aBSp, H1, H2); |
| 1567 | mySeqOfCurve.Append(aIC); |
| 1568 | }// for (i=1; i<=aNbParts; ++i) { |
| 1569 | }// if (!myApprox) { |
| 1570 | // |
| 1571 | else { // X |
| 1572 | Standard_Boolean bIsDecomposited; |
| 1573 | Standard_Integer nbiter, aNbSeqOfL; |
| 1574 | Standard_Real tol2d; |
| 1575 | IntPatch_SequenceOfLine aSeqOfL; |
| 1576 | GeomInt_WLApprox theapp3d; |
| 1577 | Approx_ParametrizationType aParType = Approx_ChordLength; |
| 1578 | // |
| 1579 | Standard_Boolean anApprox1 = myApprox1; |
| 1580 | Standard_Boolean anApprox2 = myApprox2; |
| 1581 | |
| 1582 | tol2d = myTolApprox; |
| 1583 | |
| 1584 | GeomAbs_SurfaceType typs1, typs2; |
| 1585 | typs1 = myHS1->Surface().GetType(); |
| 1586 | typs2 = myHS2->Surface().GetType(); |
| 1587 | Standard_Boolean anWithPC = Standard_True; |
| 1588 | |
| 1589 | if(typs1 == GeomAbs_Cylinder && typs2 == GeomAbs_Sphere) { |
| 1590 | anWithPC = |
| 1591 | ApproxWithPCurves(myHS1->Surface().Cylinder(), myHS2->Surface().Sphere()); |
| 1592 | } |
| 1593 | else if (typs1 == GeomAbs_Sphere && typs2 == GeomAbs_Cylinder) { |
| 1594 | anWithPC = |
| 1595 | ApproxWithPCurves(myHS2->Surface().Cylinder(), myHS1->Surface().Sphere()); |
| 1596 | } |
| 1597 | if(!anWithPC) { |
| 1598 | //aParType = Approx_Centripetal; |
| 1599 | myTolApprox = 1.e-5; |
| 1600 | anApprox1 = Standard_False; |
| 1601 | anApprox2 = Standard_False; |
| 1602 | // |
| 1603 | tol2d = myTolApprox; |
| 1604 | } |
| 1605 | |
| 1606 | if(myHS1 == myHS2) { |
| 1607 | // |
| 1608 | theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, Standard_False, aParType); |
| 1609 | rejectSurface = Standard_True; |
| 1610 | } |
| 1611 | else { |
| 1612 | if(reApprox && !rejectSurface) |
| 1613 | theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, Standard_False, aParType); |
| 1614 | else { |
| 1615 | Standard_Integer iDegMax, iDegMin; |
| 1616 | // |
| 1617 | ApproxParameters(myHS1, myHS2, iDegMin, iDegMax); |
| 1618 | theapp3d.SetParameters(myTolApprox, tol2d, iDegMin, iDegMax, 0, Standard_True, aParType); |
| 1619 | } |
| 1620 | } |
| 1621 | // |
| 1622 | Standard_Real aReachedTol = Precision::Confusion(); |
| 1623 | bIsDecomposited=DecompositionOfWLine(WL, |
| 1624 | myHS1, |
| 1625 | myHS2, |
| 1626 | myFace1, |
| 1627 | myFace2, |
| 1628 | myLConstruct, |
| 1629 | bAvoidLineConstructor, |
| 1630 | aSeqOfL, |
| 1631 | aReachedTol); |
| 1632 | if ( bIsDecomposited && ( myTolReached3d < aReachedTol ) ) |
| 1633 | myTolReached3d = aReachedTol; |
| 1634 | |
| 1635 | // |
| 1636 | aNbSeqOfL=aSeqOfL.Length(); |
| 1637 | // |
| 1638 | if (bIsDecomposited) { |
| 1639 | nbiter=aNbSeqOfL; |
| 1640 | } |
| 1641 | else { |
| 1642 | nbiter=1; |
| 1643 | aNbParts=1; |
| 1644 | if (!bAvoidLineConstructor) { |
| 1645 | aNbParts=myLConstruct.NbParts(); |
| 1646 | nbiter=aNbParts; |
| 1647 | } |
| 1648 | } |
| 1649 | // |
| 1650 | // nbiter=(bIsDecomposited) ? aSeqOfL.Length() : |
| 1651 | // ((bAvoidLineConstructor) ? 1 :aNbParts); |
| 1652 | // |
| 1653 | for(i = 1; i <= nbiter; ++i) { |
| 1654 | if(bIsDecomposited) { |
| 1655 | WL = Handle(IntPatch_WLine)::DownCast(aSeqOfL.Value(i)); |
| 1656 | ifprm = 1; |
| 1657 | ilprm = WL->NbPnts(); |
| 1658 | } |
| 1659 | else { |
| 1660 | if(bAvoidLineConstructor) { |
| 1661 | ifprm = 1; |
| 1662 | ilprm = WL->NbPnts(); |
| 1663 | } |
| 1664 | else { |
| 1665 | myLConstruct.Part(i, fprm, lprm); |
| 1666 | ifprm = (Standard_Integer)fprm; |
| 1667 | ilprm = (Standard_Integer)lprm; |
| 1668 | } |
| 1669 | } |
| 1670 | //-- lbr : |
| 1671 | //-- Si une des surfaces est un plan , on approxime en 2d |
| 1672 | //-- sur cette surface et on remonte les points 2d en 3d. |
| 1673 | if(typs1 == GeomAbs_Plane) { |
| 1674 | theapp3d.Perform(myHS1, myHS2, WL, Standard_False,Standard_True, myApprox2,ifprm,ilprm); |
| 1675 | } |
| 1676 | else if(typs2 == GeomAbs_Plane) { |
| 1677 | theapp3d.Perform(myHS1,myHS2,WL,Standard_False,myApprox1,Standard_True,ifprm,ilprm); |
| 1678 | } |
| 1679 | else { |
| 1680 | // |
| 1681 | if (myHS1 != myHS2){ |
| 1682 | if ((typs1==GeomAbs_BezierSurface || typs1==GeomAbs_BSplineSurface) && |
| 1683 | (typs2==GeomAbs_BezierSurface || typs2==GeomAbs_BSplineSurface)) { |
| 1684 | |
| 1685 | theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, Standard_True, aParType); |
| 1686 | |
| 1687 | Standard_Boolean bUseSurfaces; |
| 1688 | bUseSurfaces=NotUseSurfacesForApprox(myFace1, myFace2, WL, ifprm, ilprm); |
| 1689 | if (bUseSurfaces) { |
| 1690 | // ###### |
| 1691 | rejectSurface = Standard_True; |
| 1692 | // ###### |
| 1693 | theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, Standard_False, aParType); |
| 1694 | } |
| 1695 | } |
| 1696 | } |
| 1697 | // |
| 1698 | theapp3d.Perform(myHS1,myHS2,WL,Standard_True,anApprox1,anApprox2,ifprm,ilprm); |
| 1699 | } |
| 1700 | |
| 1701 | if (!theapp3d.IsDone()) { |
| 1702 | // |
| 1703 | Handle(Geom2d_BSplineCurve) H1; |
| 1704 | // |
| 1705 | Handle(Geom_Curve) aBSp=MakeBSpline(WL,ifprm, ilprm); |
| 1706 | Handle(Geom2d_BSplineCurve) H2; |
| 1707 | |
| 1708 | if(myApprox1) { |
| 1709 | H1 = MakeBSpline2d(WL, ifprm, ilprm, Standard_True); |
| 1710 | } |
| 1711 | |
| 1712 | if(myApprox2) { |
| 1713 | H2 = MakeBSpline2d(WL, ifprm, ilprm, Standard_False); |
| 1714 | } |
| 1715 | // |
| 1716 | IntTools_Curve aIC(aBSp, H1, H2); |
| 1717 | mySeqOfCurve.Append(aIC); |
| 1718 | } |
| 1719 | |
| 1720 | else { |
| 1721 | if(myApprox1 || myApprox2 || (typs1==GeomAbs_Plane || typs2==GeomAbs_Plane)) { |
| 1722 | if( theapp3d.TolReached2d()>myTolReached2d || myTolReached2d==0.) { |
| 1723 | myTolReached2d = theapp3d.TolReached2d(); |
| 1724 | } |
| 1725 | } |
| 1726 | if(typs1==GeomAbs_Plane || typs2==GeomAbs_Plane) { |
| 1727 | myTolReached3d = myTolReached2d; |
| 1728 | // |
| 1729 | if (typs1==GeomAbs_Torus || typs2==GeomAbs_Torus) { |
| 1730 | if (myTolReached3d<1.e-6) { |
| 1731 | myTolReached3d = theapp3d.TolReached3d(); |
| 1732 | myTolReached3d=1.e-6; |
| 1733 | } |
| 1734 | } |
| 1735 | // |
| 1736 | } |
| 1737 | else if( theapp3d.TolReached3d()>myTolReached3d || myTolReached3d==0.) { |
| 1738 | myTolReached3d = theapp3d.TolReached3d(); |
| 1739 | } |
| 1740 | |
| 1741 | Standard_Integer aNbMultiCurves, nbpoles; |
| 1742 | aNbMultiCurves=theapp3d.NbMultiCurves(); |
| 1743 | for (j=1; j<=aNbMultiCurves; j++) { |
| 1744 | if(typs1 == GeomAbs_Plane) { |
| 1745 | const AppParCurves_MultiBSpCurve& mbspc = theapp3d.Value(j); |
| 1746 | nbpoles = mbspc.NbPoles(); |
| 1747 | |
| 1748 | TColgp_Array1OfPnt2d tpoles2d(1,nbpoles); |
| 1749 | TColgp_Array1OfPnt tpoles(1,nbpoles); |
| 1750 | |
| 1751 | mbspc.Curve(1,tpoles2d); |
| 1752 | const gp_Pln& Pln = myHS1->Surface().Plane(); |
| 1753 | // |
| 1754 | Standard_Integer ik; |
| 1755 | for(ik = 1; ik<= nbpoles; ik++) { |
| 1756 | tpoles.SetValue(ik, |
| 1757 | ElSLib::Value(tpoles2d.Value(ik).X(), |
| 1758 | tpoles2d.Value(ik).Y(), |
| 1759 | Pln)); |
| 1760 | } |
| 1761 | // |
| 1762 | Handle(Geom_BSplineCurve) BS = |
| 1763 | new Geom_BSplineCurve(tpoles, |
| 1764 | mbspc.Knots(), |
| 1765 | mbspc.Multiplicities(), |
| 1766 | mbspc.Degree()); |
| 1767 | GeomLib_CheckBSplineCurve Check(BS,TOLCHECK,TOLANGCHECK); |
| 1768 | Check.FixTangent(Standard_True, Standard_True); |
| 1769 | // |
| 1770 | IntTools_Curve aCurve; |
| 1771 | aCurve.SetCurve(BS); |
| 1772 | |
| 1773 | if(myApprox1) { |
| 1774 | Handle(Geom2d_BSplineCurve) BS1 = |
| 1775 | new Geom2d_BSplineCurve(tpoles2d, |
| 1776 | mbspc.Knots(), |
| 1777 | mbspc.Multiplicities(), |
| 1778 | mbspc.Degree()); |
| 1779 | GeomLib_Check2dBSplineCurve Check1(BS1,TOLCHECK,TOLANGCHECK); |
| 1780 | Check1.FixTangent(Standard_True,Standard_True); |
| 1781 | // |
| 1782 | // ############################################ |
| 1783 | if(!rejectSurface && !reApprox) { |
| 1784 | Standard_Boolean isValid = IsCurveValid(BS1); |
| 1785 | if(!isValid) { |
| 1786 | reApprox = Standard_True; |
| 1787 | goto reapprox; |
| 1788 | } |
| 1789 | } |
| 1790 | // ############################################ |
| 1791 | aCurve.SetFirstCurve2d(BS1); |
| 1792 | } |
| 1793 | else { |
| 1794 | Handle(Geom2d_BSplineCurve) H1; |
| 1795 | aCurve.SetFirstCurve2d(H1); |
| 1796 | } |
| 1797 | |
| 1798 | if(myApprox2) { |
| 1799 | mbspc.Curve(2, tpoles2d); |
| 1800 | |
| 1801 | Handle(Geom2d_BSplineCurve) BS2 = new Geom2d_BSplineCurve(tpoles2d, |
| 1802 | mbspc.Knots(), |
| 1803 | mbspc.Multiplicities(), |
| 1804 | mbspc.Degree()); |
| 1805 | GeomLib_Check2dBSplineCurve newCheck(BS2,TOLCHECK,TOLANGCHECK); |
| 1806 | newCheck.FixTangent(Standard_True,Standard_True); |
| 1807 | |
| 1808 | // ########################################### |
| 1809 | if(!rejectSurface && !reApprox) { |
| 1810 | Standard_Boolean isValid = IsCurveValid(BS2); |
| 1811 | if(!isValid) { |
| 1812 | reApprox = Standard_True; |
| 1813 | goto reapprox; |
| 1814 | } |
| 1815 | } |
| 1816 | // ########################################### |
| 1817 | // |
| 1818 | aCurve.SetSecondCurve2d(BS2); |
| 1819 | } |
| 1820 | else { |
| 1821 | Handle(Geom2d_BSplineCurve) H2; |
| 1822 | // |
| 1823 | aCurve.SetSecondCurve2d(H2); |
| 1824 | } |
| 1825 | // |
| 1826 | mySeqOfCurve.Append(aCurve); |
| 1827 | } |
| 1828 | |
| 1829 | else if(typs2 == GeomAbs_Plane) { |
| 1830 | const AppParCurves_MultiBSpCurve& mbspc = theapp3d.Value(j); |
| 1831 | nbpoles = mbspc.NbPoles(); |
| 1832 | |
| 1833 | TColgp_Array1OfPnt2d tpoles2d(1,nbpoles); |
| 1834 | TColgp_Array1OfPnt tpoles(1,nbpoles); |
| 1835 | mbspc.Curve((myApprox1==Standard_True)? 2 : 1,tpoles2d); |
| 1836 | const gp_Pln& Pln = myHS2->Surface().Plane(); |
| 1837 | // |
| 1838 | Standard_Integer ik; |
| 1839 | for(ik = 1; ik<= nbpoles; ik++) { |
| 1840 | tpoles.SetValue(ik, |
| 1841 | ElSLib::Value(tpoles2d.Value(ik).X(), |
| 1842 | tpoles2d.Value(ik).Y(), |
| 1843 | Pln)); |
| 1844 | |
| 1845 | } |
| 1846 | // |
| 1847 | Handle(Geom_BSplineCurve) BS=new Geom_BSplineCurve(tpoles, |
| 1848 | mbspc.Knots(), |
| 1849 | mbspc.Multiplicities(), |
| 1850 | mbspc.Degree()); |
| 1851 | GeomLib_CheckBSplineCurve Check(BS,TOLCHECK,TOLANGCHECK); |
| 1852 | Check.FixTangent(Standard_True,Standard_True); |
| 1853 | // |
| 1854 | IntTools_Curve aCurve; |
| 1855 | aCurve.SetCurve(BS); |
| 1856 | |
| 1857 | if(myApprox2) { |
| 1858 | Handle(Geom2d_BSplineCurve) BS1=new Geom2d_BSplineCurve(tpoles2d, |
| 1859 | mbspc.Knots(), |
| 1860 | mbspc.Multiplicities(), |
| 1861 | mbspc.Degree()); |
| 1862 | GeomLib_Check2dBSplineCurve Check1(BS1,TOLCHECK,TOLANGCHECK); |
| 1863 | Check1.FixTangent(Standard_True,Standard_True); |
| 1864 | // |
| 1865 | // ########################################### |
| 1866 | if(!rejectSurface && !reApprox) { |
| 1867 | Standard_Boolean isValid = IsCurveValid(BS1); |
| 1868 | if(!isValid) { |
| 1869 | reApprox = Standard_True; |
| 1870 | goto reapprox; |
| 1871 | } |
| 1872 | } |
| 1873 | // ########################################### |
| 1874 | aCurve.SetSecondCurve2d(BS1); |
| 1875 | } |
| 1876 | else { |
| 1877 | Handle(Geom2d_BSplineCurve) H2; |
| 1878 | aCurve.SetSecondCurve2d(H2); |
| 1879 | } |
| 1880 | |
| 1881 | if(myApprox1) { |
| 1882 | mbspc.Curve(1,tpoles2d); |
| 1883 | Handle(Geom2d_BSplineCurve) BS2=new Geom2d_BSplineCurve(tpoles2d, |
| 1884 | mbspc.Knots(), |
| 1885 | mbspc.Multiplicities(), |
| 1886 | mbspc.Degree()); |
| 1887 | GeomLib_Check2dBSplineCurve Check2(BS2,TOLCHECK,TOLANGCHECK); |
| 1888 | Check2.FixTangent(Standard_True,Standard_True); |
| 1889 | // |
| 1890 | // ########################################### |
| 1891 | if(!rejectSurface && !reApprox) { |
| 1892 | Standard_Boolean isValid = IsCurveValid(BS2); |
| 1893 | if(!isValid) { |
| 1894 | reApprox = Standard_True; |
| 1895 | goto reapprox; |
| 1896 | } |
| 1897 | } |
| 1898 | // ########################################### |
| 1899 | aCurve.SetFirstCurve2d(BS2); |
| 1900 | } |
| 1901 | else { |
| 1902 | Handle(Geom2d_BSplineCurve) H1; |
| 1903 | // |
| 1904 | aCurve.SetFirstCurve2d(H1); |
| 1905 | } |
| 1906 | // |
| 1907 | mySeqOfCurve.Append(aCurve); |
| 1908 | } |
| 1909 | else { |
| 1910 | const AppParCurves_MultiBSpCurve& mbspc = theapp3d.Value(j); |
| 1911 | nbpoles = mbspc.NbPoles(); |
| 1912 | TColgp_Array1OfPnt tpoles(1,nbpoles); |
| 1913 | mbspc.Curve(1,tpoles); |
| 1914 | Handle(Geom_BSplineCurve) BS=new Geom_BSplineCurve(tpoles, |
| 1915 | mbspc.Knots(), |
| 1916 | mbspc.Multiplicities(), |
| 1917 | mbspc.Degree()); |
| 1918 | GeomLib_CheckBSplineCurve Check(BS,TOLCHECK,TOLANGCHECK); |
| 1919 | Check.FixTangent(Standard_True,Standard_True); |
| 1920 | // |
| 1921 | IntTools_Curve aCurve; |
| 1922 | aCurve.SetCurve(BS); |
| 1923 | |
| 1924 | if(myApprox1) { |
| 1925 | if(anApprox1) { |
| 1926 | TColgp_Array1OfPnt2d tpoles2d(1,nbpoles); |
| 1927 | mbspc.Curve(2,tpoles2d); |
| 1928 | Handle(Geom2d_BSplineCurve) BS1=new Geom2d_BSplineCurve(tpoles2d, |
| 1929 | mbspc.Knots(), |
| 1930 | mbspc.Multiplicities(), |
| 1931 | mbspc.Degree()); |
| 1932 | GeomLib_Check2dBSplineCurve newCheck(BS1,TOLCHECK,TOLANGCHECK); |
| 1933 | newCheck.FixTangent(Standard_True,Standard_True); |
| 1934 | // |
| 1935 | aCurve.SetFirstCurve2d(BS1); |
| 1936 | } |
| 1937 | else { |
| 1938 | Handle(Geom2d_BSplineCurve) BS1; |
| 1939 | fprm = BS->FirstParameter(); |
| 1940 | lprm = BS->LastParameter(); |
| 1941 | |
| 1942 | Handle(Geom2d_Curve) C2d; |
| 1943 | Standard_Real aTol = myTolApprox; |
| 1944 | BuildPCurves(fprm, lprm, aTol, myHS1->ChangeSurface().Surface(), BS, C2d); |
| 1945 | BS1 = Handle(Geom2d_BSplineCurve)::DownCast(C2d); |
| 1946 | aCurve.SetFirstCurve2d(BS1); |
| 1947 | } |
| 1948 | |
| 1949 | } |
| 1950 | else { |
| 1951 | Handle(Geom2d_BSplineCurve) H1; |
| 1952 | // |
| 1953 | aCurve.SetFirstCurve2d(H1); |
| 1954 | } |
| 1955 | if(myApprox2) { |
| 1956 | if(anApprox2) { |
| 1957 | TColgp_Array1OfPnt2d tpoles2d(1,nbpoles); |
| 1958 | mbspc.Curve((myApprox1==Standard_True)? 3 : 2,tpoles2d); |
| 1959 | Handle(Geom2d_BSplineCurve) BS2=new Geom2d_BSplineCurve(tpoles2d, |
| 1960 | mbspc.Knots(), |
| 1961 | mbspc.Multiplicities(), |
| 1962 | mbspc.Degree()); |
| 1963 | GeomLib_Check2dBSplineCurve newCheck(BS2,TOLCHECK,TOLANGCHECK); |
| 1964 | newCheck.FixTangent(Standard_True,Standard_True); |
| 1965 | // |
| 1966 | aCurve.SetSecondCurve2d(BS2); |
| 1967 | } |
| 1968 | else { |
| 1969 | Handle(Geom2d_BSplineCurve) BS2; |
| 1970 | fprm = BS->FirstParameter(); |
| 1971 | lprm = BS->LastParameter(); |
| 1972 | |
| 1973 | Handle(Geom2d_Curve) C2d; |
| 1974 | Standard_Real aTol = myTolApprox; |
| 1975 | BuildPCurves(fprm, lprm, aTol, myHS2->ChangeSurface().Surface(), BS, C2d); |
| 1976 | BS2 = Handle(Geom2d_BSplineCurve)::DownCast(C2d); |
| 1977 | aCurve.SetSecondCurve2d(BS2); |
| 1978 | } |
| 1979 | |
| 1980 | } |
| 1981 | else { |
| 1982 | Handle(Geom2d_BSplineCurve) H2; |
| 1983 | // |
| 1984 | aCurve.SetSecondCurve2d(H2); |
| 1985 | } |
| 1986 | // |
| 1987 | mySeqOfCurve.Append(aCurve); |
| 1988 | } |
| 1989 | } |
| 1990 | } |
| 1991 | } |
| 1992 | }// else { // X |
| 1993 | }// case IntPatch_Walking:{ |
| 1994 | break; |
| 1995 | |
| 1996 | case IntPatch_Restriction: |
| 1997 | break; |
| 1998 | |
| 1999 | } |
| 2000 | } |
| 2001 | |
| 2002 | //======================================================================= |
| 2003 | //function : BuildPCurves |
| 2004 | //purpose : |
| 2005 | //======================================================================= |
| 2006 | void BuildPCurves (Standard_Real f, |
| 2007 | Standard_Real l, |
| 2008 | Standard_Real& Tol, |
| 2009 | const Handle (Geom_Surface)& S, |
| 2010 | const Handle (Geom_Curve)& C, |
| 2011 | Handle (Geom2d_Curve)& C2d) |
| 2012 | { |
| 2013 | |
| 2014 | Standard_Real umin,umax,vmin,vmax; |
| 2015 | // |
| 2016 | |
| 2017 | if (C2d.IsNull()) { |
| 2018 | |
| 2019 | // in class ProjLib_Function the range of parameters is shrank by 1.e-09 |
| 2020 | if((l - f) > 2.e-09) { |
| 2021 | C2d = GeomProjLib::Curve2d(C,f,l,S,Tol); |
| 2022 | // |
| 2023 | if (C2d.IsNull()) { |
| 2024 | // proj. a circle that goes through the pole on a sphere to the sphere |
| 2025 | Tol=Tol+1.e-7; |
| 2026 | C2d = GeomProjLib::Curve2d(C,f,l,S,Tol); |
| 2027 | } |
| 2028 | } |
| 2029 | else { |
| 2030 | if((l - f) > Epsilon(Abs(f))) { |
| 2031 | GeomAPI_ProjectPointOnSurf aProjector1, aProjector2; |
| 2032 | gp_Pnt P1 = C->Value(f); |
| 2033 | gp_Pnt P2 = C->Value(l); |
| 2034 | aProjector1.Init(P1, S); |
| 2035 | aProjector2.Init(P2, S); |
| 2036 | |
| 2037 | if(aProjector1.IsDone() && aProjector2.IsDone()) { |
| 2038 | Standard_Real U=0., V=0.; |
| 2039 | aProjector1.LowerDistanceParameters(U, V); |
| 2040 | gp_Pnt2d p1(U, V); |
| 2041 | |
| 2042 | aProjector2.LowerDistanceParameters(U, V); |
| 2043 | gp_Pnt2d p2(U, V); |
| 2044 | |
| 2045 | if(p1.Distance(p2) > gp::Resolution()) { |
| 2046 | TColgp_Array1OfPnt2d poles(1,2); |
| 2047 | TColStd_Array1OfReal knots(1,2); |
| 2048 | TColStd_Array1OfInteger mults(1,2); |
| 2049 | poles(1) = p1; |
| 2050 | poles(2) = p2; |
| 2051 | knots(1) = f; |
| 2052 | knots(2) = l; |
| 2053 | mults(1) = mults(2) = 2; |
| 2054 | |
| 2055 | C2d = new Geom2d_BSplineCurve(poles,knots,mults,1); |
| 2056 | |
| 2057 | // compute reached tolerance.begin |
| 2058 | gp_Pnt PMid = C->Value((f + l) * 0.5); |
| 2059 | aProjector1.Perform(PMid); |
| 2060 | |
| 2061 | if(aProjector1.IsDone()) { |
| 2062 | aProjector1.LowerDistanceParameters(U, V); |
| 2063 | gp_Pnt2d pmidproj(U, V); |
| 2064 | gp_Pnt2d pmidcurve2d = C2d->Value((f + l) * 0.5); |
| 2065 | Standard_Real adist = pmidcurve2d.Distance(pmidproj); |
| 2066 | Tol = (adist > Tol) ? adist : Tol; |
| 2067 | } |
| 2068 | // compute reached tolerance.end |
| 2069 | } |
| 2070 | } |
| 2071 | } |
| 2072 | } |
| 2073 | // |
| 2074 | S->Bounds(umin, umax, vmin, vmax); |
| 2075 | |
| 2076 | if (S->IsUPeriodic() && !C2d.IsNull()) { |
| 2077 | // Recadre dans le domaine UV de la face |
| 2078 | Standard_Real period, U0, du, aEps; |
| 2079 | |
| 2080 | du =0.0; |
| 2081 | aEps=Precision::PConfusion(); |
| 2082 | period = S->UPeriod(); |
| 2083 | gp_Pnt2d Pf = C2d->Value(f); |
| 2084 | U0=Pf.X(); |
| 2085 | // |
| 2086 | gp_Pnt2d Pl = C2d->Value(l); |
| 2087 | |
| 2088 | U0 = Min(Pl.X(), U0); |
| 2089 | // while(U0-umin<aEps) { |
| 2090 | while(U0-umin<-aEps) { |
| 2091 | U0+=period; |
| 2092 | du+=period; |
| 2093 | } |
| 2094 | // |
| 2095 | while(U0-umax>aEps) { |
| 2096 | U0-=period; |
| 2097 | du-=period; |
| 2098 | } |
| 2099 | if (du != 0) { |
| 2100 | gp_Vec2d T1(du,0.); |
| 2101 | C2d->Translate(T1); |
| 2102 | } |
| 2103 | } |
| 2104 | } |
| 2105 | if (C2d.IsNull()) { |
| 2106 | BOPTColStd_Dump::PrintMessage("BuildPCurves()=> Echec ProjLib\n"); |
| 2107 | } |
| 2108 | } |
| 2109 | |
| 2110 | //======================================================================= |
| 2111 | //function : Parameters |
| 2112 | //purpose : |
| 2113 | //======================================================================= |
| 2114 | void Parameters(const Handle(GeomAdaptor_HSurface)& HS1, |
| 2115 | const Handle(GeomAdaptor_HSurface)& HS2, |
| 2116 | const gp_Pnt& Ptref, |
| 2117 | Standard_Real& U1, |
| 2118 | Standard_Real& V1, |
| 2119 | Standard_Real& U2, |
| 2120 | Standard_Real& V2) |
| 2121 | { |
| 2122 | |
| 2123 | IntSurf_Quadric quad1,quad2; |
| 2124 | GeomAbs_SurfaceType typs = HS1->Surface().GetType(); |
| 2125 | |
| 2126 | switch (typs) { |
| 2127 | case GeomAbs_Plane: |
| 2128 | quad1.SetValue(HS1->Surface().Plane()); |
| 2129 | break; |
| 2130 | case GeomAbs_Cylinder: |
| 2131 | quad1.SetValue(HS1->Surface().Cylinder()); |
| 2132 | break; |
| 2133 | case GeomAbs_Cone: |
| 2134 | quad1.SetValue(HS1->Surface().Cone()); |
| 2135 | break; |
| 2136 | case GeomAbs_Sphere: |
| 2137 | quad1.SetValue(HS1->Surface().Sphere()); |
| 2138 | break; |
| 2139 | default: |
| 2140 | Standard_ConstructionError::Raise("GeomInt_IntSS::MakeCurve"); |
| 2141 | } |
| 2142 | |
| 2143 | typs = HS2->Surface().GetType(); |
| 2144 | switch (typs) { |
| 2145 | case GeomAbs_Plane: |
| 2146 | quad2.SetValue(HS2->Surface().Plane()); |
| 2147 | break; |
| 2148 | case GeomAbs_Cylinder: |
| 2149 | quad2.SetValue(HS2->Surface().Cylinder()); |
| 2150 | break; |
| 2151 | case GeomAbs_Cone: |
| 2152 | quad2.SetValue(HS2->Surface().Cone()); |
| 2153 | break; |
| 2154 | case GeomAbs_Sphere: |
| 2155 | quad2.SetValue(HS2->Surface().Sphere()); |
| 2156 | break; |
| 2157 | default: |
| 2158 | Standard_ConstructionError::Raise("GeomInt_IntSS::MakeCurve"); |
| 2159 | } |
| 2160 | |
| 2161 | quad1.Parameters(Ptref,U1,V1); |
| 2162 | quad2.Parameters(Ptref,U2,V2); |
| 2163 | } |
| 2164 | |
| 2165 | //======================================================================= |
| 2166 | //function : MakeBSpline |
| 2167 | //purpose : |
| 2168 | //======================================================================= |
| 2169 | Handle(Geom_Curve) MakeBSpline (const Handle(IntPatch_WLine)& WL, |
| 2170 | const Standard_Integer ideb, |
| 2171 | const Standard_Integer ifin) |
| 2172 | { |
| 2173 | Standard_Integer i,nbpnt = ifin-ideb+1; |
| 2174 | TColgp_Array1OfPnt poles(1,nbpnt); |
| 2175 | TColStd_Array1OfReal knots(1,nbpnt); |
| 2176 | TColStd_Array1OfInteger mults(1,nbpnt); |
| 2177 | Standard_Integer ipidebm1; |
| 2178 | for(i=1,ipidebm1=i+ideb-1; i<=nbpnt;ipidebm1++, i++) { |
| 2179 | poles(i) = WL->Point(ipidebm1).Value(); |
| 2180 | mults(i) = 1; |
| 2181 | knots(i) = i-1; |
| 2182 | } |
| 2183 | mults(1) = mults(nbpnt) = 2; |
| 2184 | return |
| 2185 | new Geom_BSplineCurve(poles,knots,mults,1); |
| 2186 | } |
| 2187 | // |
| 2188 | |
| 2189 | //======================================================================= |
| 2190 | //function : MakeBSpline2d |
| 2191 | //purpose : |
| 2192 | //======================================================================= |
| 2193 | Handle(Geom2d_BSplineCurve) MakeBSpline2d(const Handle(IntPatch_WLine)& theWLine, |
| 2194 | const Standard_Integer ideb, |
| 2195 | const Standard_Integer ifin, |
| 2196 | const Standard_Boolean onFirst) |
| 2197 | { |
| 2198 | Standard_Integer i, nbpnt = ifin-ideb+1; |
| 2199 | TColgp_Array1OfPnt2d poles(1,nbpnt); |
| 2200 | TColStd_Array1OfReal knots(1,nbpnt); |
| 2201 | TColStd_Array1OfInteger mults(1,nbpnt); |
| 2202 | Standard_Integer ipidebm1; |
| 2203 | |
| 2204 | for(i = 1, ipidebm1 = i+ideb-1; i <= nbpnt; ipidebm1++, i++) { |
| 2205 | Standard_Real U, V; |
| 2206 | if(onFirst) |
| 2207 | theWLine->Point(ipidebm1).ParametersOnS1(U, V); |
| 2208 | else |
| 2209 | theWLine->Point(ipidebm1).ParametersOnS2(U, V); |
| 2210 | poles(i).SetCoord(U, V); |
| 2211 | mults(i) = 1; |
| 2212 | knots(i) = i-1; |
| 2213 | } |
| 2214 | mults(1) = mults(nbpnt) = 2; |
| 2215 | |
| 2216 | return new Geom2d_BSplineCurve(poles,knots,mults,1); |
| 2217 | } |
| 2218 | //modified by NIZNHY-PKV Fri Sep 16 07:57:30 2011f |
| 2219 | //======================================================================= |
| 2220 | //function : PrepareLines3D |
| 2221 | //purpose : |
| 2222 | //======================================================================= |
| 2223 | void IntTools_FaceFace::PrepareLines3D(const Standard_Boolean bToSplit) |
| 2224 | { |
| 2225 | Standard_Integer i, aNbCurves; |
| 2226 | GeomAbs_SurfaceType aType1, aType2; |
| 2227 | IntTools_SequenceOfCurves aNewCvs; |
| 2228 | // |
| 2229 | // 1. Treatment closed curves |
| 2230 | aNbCurves=mySeqOfCurve.Length(); |
| 2231 | for (i=1; i<=aNbCurves; ++i) { |
| 2232 | const IntTools_Curve& aIC=mySeqOfCurve(i); |
| 2233 | // |
| 2234 | if (bToSplit) { |
| 2235 | Standard_Integer j, aNbC; |
| 2236 | IntTools_SequenceOfCurves aSeqCvs; |
| 2237 | // |
| 2238 | aNbC=IntTools_Tools::SplitCurve(aIC, aSeqCvs); |
| 2239 | if (aNbC) { |
| 2240 | for (j=1; j<=aNbC; ++j) { |
| 2241 | const IntTools_Curve& aICNew=aSeqCvs(j); |
| 2242 | aNewCvs.Append(aICNew); |
| 2243 | } |
| 2244 | } |
| 2245 | else { |
| 2246 | aNewCvs.Append(aIC); |
| 2247 | } |
| 2248 | } |
| 2249 | else { |
| 2250 | aNewCvs.Append(aIC); |
| 2251 | } |
| 2252 | } |
| 2253 | // |
| 2254 | // 2. Plane\Cone intersection when we had 4 curves |
| 2255 | aType1=myHS1->GetType(); |
| 2256 | aType2=myHS2->GetType(); |
| 2257 | aNbCurves=aNewCvs.Length(); |
| 2258 | // |
| 2259 | if ((aType1==GeomAbs_Plane && aType2==GeomAbs_Cone) || |
| 2260 | (aType2==GeomAbs_Plane && aType1==GeomAbs_Cone)) { |
| 2261 | if (aNbCurves==4) { |
| 2262 | GeomAbs_CurveType aCType1; |
| 2263 | // |
| 2264 | aCType1=aNewCvs(1).Type(); |
| 2265 | if (aCType1==GeomAbs_Line) { |
| 2266 | IntTools_SequenceOfCurves aSeqIn, aSeqOut; |
| 2267 | // |
| 2268 | for (i=1; i<=aNbCurves; ++i) { |
| 2269 | const IntTools_Curve& aIC=aNewCvs(i); |
| 2270 | aSeqIn.Append(aIC); |
| 2271 | } |
| 2272 | // |
| 2273 | IntTools_Tools::RejectLines(aSeqIn, aSeqOut); |
| 2274 | // |
| 2275 | aNewCvs.Clear(); |
| 2276 | aNbCurves=aSeqOut.Length(); |
| 2277 | for (i=1; i<=aNbCurves; ++i) { |
| 2278 | const IntTools_Curve& aIC=aSeqOut(i); |
| 2279 | aNewCvs.Append(aIC); |
| 2280 | } |
| 2281 | } |
| 2282 | } |
| 2283 | }// if ((aType1==GeomAbs_Plane && aType2==GeomAbs_Cone)... |
| 2284 | // |
| 2285 | // 3. Fill mySeqOfCurve |
| 2286 | mySeqOfCurve.Clear(); |
| 2287 | aNbCurves=aNewCvs.Length(); |
| 2288 | for (i=1; i<=aNbCurves; ++i) { |
| 2289 | const IntTools_Curve& aIC=aNewCvs(i); |
| 2290 | mySeqOfCurve.Append(aIC); |
| 2291 | } |
| 2292 | } |
| 2293 | //modified by NIZNHY-PKV Fri Sep 16 07:57:32 2011t |
| 2294 | //======================================================================= |
| 2295 | //function : CorrectSurfaceBoundaries |
| 2296 | //purpose : |
| 2297 | //======================================================================= |
| 2298 | void CorrectSurfaceBoundaries(const TopoDS_Face& theFace, |
| 2299 | const Standard_Real theTolerance, |
| 2300 | Standard_Real& theumin, |
| 2301 | Standard_Real& theumax, |
| 2302 | Standard_Real& thevmin, |
| 2303 | Standard_Real& thevmax) |
| 2304 | { |
| 2305 | Standard_Boolean enlarge, isuperiodic, isvperiodic; |
| 2306 | Standard_Real uinf, usup, vinf, vsup, delta; |
| 2307 | GeomAbs_SurfaceType aType; |
| 2308 | Handle(Geom_Surface) aSurface; |
| 2309 | // |
| 2310 | aSurface = BRep_Tool::Surface(theFace); |
| 2311 | aSurface->Bounds(uinf, usup, vinf, vsup); |
| 2312 | delta = theTolerance; |
| 2313 | enlarge = Standard_False; |
| 2314 | // |
| 2315 | GeomAdaptor_Surface anAdaptorSurface(aSurface); |
| 2316 | // |
| 2317 | if(aSurface->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) { |
| 2318 | Handle(Geom_Surface) aBasisSurface = |
| 2319 | (Handle(Geom_RectangularTrimmedSurface)::DownCast(aSurface))->BasisSurface(); |
| 2320 | |
| 2321 | if(aBasisSurface->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface)) || |
| 2322 | aBasisSurface->IsKind(STANDARD_TYPE(Geom_OffsetSurface))) { |
| 2323 | return; |
| 2324 | } |
| 2325 | } |
| 2326 | // |
| 2327 | if(aSurface->IsKind(STANDARD_TYPE(Geom_OffsetSurface))) { |
| 2328 | Handle(Geom_Surface) aBasisSurface = |
| 2329 | (Handle(Geom_OffsetSurface)::DownCast(aSurface))->BasisSurface(); |
| 2330 | |
| 2331 | if(aBasisSurface->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface)) || |
| 2332 | aBasisSurface->IsKind(STANDARD_TYPE(Geom_OffsetSurface))) { |
| 2333 | return; |
| 2334 | } |
| 2335 | } |
| 2336 | // |
| 2337 | isuperiodic = anAdaptorSurface.IsUPeriodic(); |
| 2338 | isvperiodic = anAdaptorSurface.IsVPeriodic(); |
| 2339 | // |
| 2340 | aType=anAdaptorSurface.GetType(); |
| 2341 | if((aType==GeomAbs_BezierSurface) || |
| 2342 | (aType==GeomAbs_BSplineSurface) || |
| 2343 | (aType==GeomAbs_SurfaceOfExtrusion) || |
| 2344 | (aType==GeomAbs_SurfaceOfRevolution)) { |
| 2345 | enlarge=Standard_True; |
| 2346 | } |
| 2347 | // |
| 2348 | if(!isuperiodic && enlarge) { |
| 2349 | |
| 2350 | if((theumin - uinf) > delta ) |
| 2351 | theumin -= delta; |
| 2352 | else { |
| 2353 | theumin = uinf; |
| 2354 | } |
| 2355 | |
| 2356 | if((usup - theumax) > delta ) |
| 2357 | theumax += delta; |
| 2358 | else |
| 2359 | theumax = usup; |
| 2360 | } |
| 2361 | // |
| 2362 | if(!isvperiodic && enlarge) { |
| 2363 | if((thevmin - vinf) > delta ) { |
| 2364 | thevmin -= delta; |
| 2365 | } |
| 2366 | else { |
| 2367 | thevmin = vinf; |
| 2368 | } |
| 2369 | if((vsup - thevmax) > delta ) { |
| 2370 | thevmax += delta; |
| 2371 | } |
| 2372 | else { |
| 2373 | thevmax = vsup; |
| 2374 | } |
| 2375 | } |
| 2376 | // |
| 2377 | { |
| 2378 | Standard_Integer aNbP; |
| 2379 | Standard_Real aXP, dXfact, aXmid, aX1, aX2, aTolPA; |
| 2380 | // |
| 2381 | aTolPA=Precision::Angular(); |
| 2382 | // U |
| 2383 | if (isuperiodic) { |
| 2384 | aXP=anAdaptorSurface.UPeriod(); |
| 2385 | dXfact=theumax-theumin; |
| 2386 | if (dXfact-aTolPA>aXP) { |
| 2387 | aXmid=0.5*(theumax+theumin); |
| 2388 | aNbP=RealToInt(aXmid/aXP); |
| 2389 | if (aXmid<0.) { |
| 2390 | aNbP=aNbP-1; |
| 2391 | } |
| 2392 | aX1=aNbP*aXP; |
| 2393 | if (theumin>aTolPA) { |
| 2394 | aX1=theumin+aNbP*aXP; |
| 2395 | } |
| 2396 | aX2=aX1+aXP; |
| 2397 | if (theumin<aX1) { |
| 2398 | theumin=aX1; |
| 2399 | } |
| 2400 | if (theumax>aX2) { |
| 2401 | theumax=aX2; |
| 2402 | } |
| 2403 | } |
| 2404 | } |
| 2405 | // V |
| 2406 | if (isvperiodic) { |
| 2407 | aXP=anAdaptorSurface.VPeriod(); |
| 2408 | dXfact=thevmax-thevmin; |
| 2409 | if (dXfact-aTolPA>aXP) { |
| 2410 | aXmid=0.5*(thevmax+thevmin); |
| 2411 | aNbP=RealToInt(aXmid/aXP); |
| 2412 | if (aXmid<0.) { |
| 2413 | aNbP=aNbP-1; |
| 2414 | } |
| 2415 | aX1=aNbP*aXP; |
| 2416 | if (thevmin>aTolPA) { |
| 2417 | aX1=thevmin+aNbP*aXP; |
| 2418 | } |
| 2419 | aX2=aX1+aXP; |
| 2420 | if (thevmin<aX1) { |
| 2421 | thevmin=aX1; |
| 2422 | } |
| 2423 | if (thevmax>aX2) { |
| 2424 | thevmax=aX2; |
| 2425 | } |
| 2426 | } |
| 2427 | } |
| 2428 | } |
| 2429 | // |
| 2430 | if(isuperiodic || isvperiodic) { |
| 2431 | Standard_Boolean correct = Standard_False; |
| 2432 | Standard_Boolean correctU = Standard_False; |
| 2433 | Standard_Boolean correctV = Standard_False; |
| 2434 | Bnd_Box2d aBox; |
| 2435 | TopExp_Explorer anExp; |
| 2436 | |
| 2437 | for(anExp.Init(theFace, TopAbs_EDGE); anExp.More(); anExp.Next()) { |
| 2438 | if(BRep_Tool::IsClosed(TopoDS::Edge(anExp.Current()), theFace)) { |
| 2439 | correct = Standard_True; |
| 2440 | Standard_Real f, l; |
| 2441 | TopoDS_Edge anEdge = TopoDS::Edge(anExp.Current()); |
| 2442 | |
| 2443 | for(Standard_Integer i = 0; i < 2; i++) { |
| 2444 | if(i==0) { |
| 2445 | anEdge.Orientation(TopAbs_FORWARD); |
| 2446 | } |
| 2447 | else { |
| 2448 | anEdge.Orientation(TopAbs_REVERSED); |
| 2449 | } |
| 2450 | Handle(Geom2d_Curve) aCurve = BRep_Tool::CurveOnSurface(anEdge, theFace, f, l); |
| 2451 | |
| 2452 | if(aCurve.IsNull()) { |
| 2453 | correct = Standard_False; |
| 2454 | break; |
| 2455 | } |
| 2456 | Handle(Geom2d_Line) aLine = Handle(Geom2d_Line)::DownCast(aCurve); |
| 2457 | |
| 2458 | if(aLine.IsNull()) { |
| 2459 | correct = Standard_False; |
| 2460 | break; |
| 2461 | } |
| 2462 | gp_Dir2d anUDir(1., 0.); |
| 2463 | gp_Dir2d aVDir(0., 1.); |
| 2464 | Standard_Real anAngularTolerance = Precision::Angular(); |
| 2465 | |
| 2466 | correctU = correctU || aLine->Position().Direction().IsParallel(aVDir, anAngularTolerance); |
| 2467 | correctV = correctV || aLine->Position().Direction().IsParallel(anUDir, anAngularTolerance); |
| 2468 | |
| 2469 | gp_Pnt2d pp1 = aCurve->Value(f); |
| 2470 | aBox.Add(pp1); |
| 2471 | gp_Pnt2d pp2 = aCurve->Value(l); |
| 2472 | aBox.Add(pp2); |
| 2473 | } |
| 2474 | if(!correct) |
| 2475 | break; |
| 2476 | } |
| 2477 | } |
| 2478 | |
| 2479 | if(correct) { |
| 2480 | Standard_Real umin, vmin, umax, vmax; |
| 2481 | aBox.Get(umin, vmin, umax, vmax); |
| 2482 | |
| 2483 | if(isuperiodic && correctU) { |
| 2484 | |
| 2485 | if(theumin < umin) |
| 2486 | theumin = umin; |
| 2487 | |
| 2488 | if(theumax > umax) { |
| 2489 | theumax = umax; |
| 2490 | } |
| 2491 | } |
| 2492 | if(isvperiodic && correctV) { |
| 2493 | |
| 2494 | if(thevmin < vmin) |
| 2495 | thevmin = vmin; |
| 2496 | if(thevmax > vmax) |
| 2497 | thevmax = vmax; |
| 2498 | } |
| 2499 | } |
| 2500 | } |
| 2501 | } |
| 2502 | // |
| 2503 | // |
| 2504 | // The block is dedicated to determine whether WLine [ifprm, ilprm] |
| 2505 | // crosses the degenerated zone on each given surface or not. |
| 2506 | // If Yes -> We will not use info about surfaces during approximation |
| 2507 | // because inside degenerated zone of the surface the approx. alogo. |
| 2508 | // uses wrong values of normal, etc., and resulting curve will have |
| 2509 | // oscillations that we would not like to have. |
| 2510 | // PKV Tue Feb 12 2002 |
| 2511 | |
| 2512 | |
| 2513 | static |
| 2514 | Standard_Boolean IsDegeneratedZone(const gp_Pnt2d& aP2d, |
| 2515 | const Handle(Geom_Surface)& aS, |
| 2516 | const Standard_Integer iDir); |
| 2517 | static |
| 2518 | Standard_Boolean IsPointInDegeneratedZone(const IntSurf_PntOn2S& aP2S, |
| 2519 | const TopoDS_Face& aF1, |
| 2520 | const TopoDS_Face& aF2); |
| 2521 | //======================================================================= |
| 2522 | //function : NotUseSurfacesForApprox |
| 2523 | //purpose : |
| 2524 | //======================================================================= |
| 2525 | Standard_Boolean NotUseSurfacesForApprox(const TopoDS_Face& aF1, |
| 2526 | const TopoDS_Face& aF2, |
| 2527 | const Handle(IntPatch_WLine)& WL, |
| 2528 | const Standard_Integer ifprm, |
| 2529 | const Standard_Integer ilprm) |
| 2530 | { |
| 2531 | Standard_Boolean bPInDZ; |
| 2532 | |
| 2533 | Handle(IntSurf_LineOn2S) aLineOn2S=WL->Curve(); |
| 2534 | |
| 2535 | const IntSurf_PntOn2S& aP2Sfprm=aLineOn2S->Value(ifprm); |
| 2536 | bPInDZ=IsPointInDegeneratedZone(aP2Sfprm, aF1, aF2); |
| 2537 | if (bPInDZ) { |
| 2538 | return bPInDZ; |
| 2539 | } |
| 2540 | |
| 2541 | const IntSurf_PntOn2S& aP2Slprm=aLineOn2S->Value(ilprm); |
| 2542 | bPInDZ=IsPointInDegeneratedZone(aP2Slprm, aF1, aF2); |
| 2543 | |
| 2544 | return bPInDZ; |
| 2545 | } |
| 2546 | //======================================================================= |
| 2547 | //function : IsPointInDegeneratedZone |
| 2548 | //purpose : |
| 2549 | //======================================================================= |
| 2550 | Standard_Boolean IsPointInDegeneratedZone(const IntSurf_PntOn2S& aP2S, |
| 2551 | const TopoDS_Face& aF1, |
| 2552 | const TopoDS_Face& aF2) |
| 2553 | |
| 2554 | { |
| 2555 | Standard_Boolean bFlag=Standard_True; |
| 2556 | Standard_Real US11, US12, VS11, VS12, US21, US22, VS21, VS22; |
| 2557 | Standard_Real U1, V1, U2, V2, aDelta, aD; |
| 2558 | gp_Pnt2d aP2d; |
| 2559 | |
| 2560 | Handle(Geom_Surface)aS1 = BRep_Tool::Surface(aF1); |
| 2561 | aS1->Bounds(US11, US12, VS11, VS12); |
| 2562 | GeomAdaptor_Surface aGAS1(aS1); |
| 2563 | |
| 2564 | Handle(Geom_Surface)aS2 = BRep_Tool::Surface(aF2); |
| 2565 | aS1->Bounds(US21, US22, VS21, VS22); |
| 2566 | GeomAdaptor_Surface aGAS2(aS2); |
| 2567 | // |
| 2568 | //const gp_Pnt& aP=aP2S.Value(); |
| 2569 | aP2S.Parameters(U1, V1, U2, V2); |
| 2570 | // |
| 2571 | aDelta=1.e-7; |
| 2572 | // Check on Surf 1 |
| 2573 | aD=aGAS1.UResolution(aDelta); |
| 2574 | aP2d.SetCoord(U1, V1); |
| 2575 | if (fabs(U1-US11) < aD) { |
| 2576 | bFlag=IsDegeneratedZone(aP2d, aS1, 1); |
| 2577 | if (bFlag) { |
| 2578 | return bFlag; |
| 2579 | } |
| 2580 | } |
| 2581 | if (fabs(U1-US12) < aD) { |
| 2582 | bFlag=IsDegeneratedZone(aP2d, aS1, 1); |
| 2583 | if (bFlag) { |
| 2584 | return bFlag; |
| 2585 | } |
| 2586 | } |
| 2587 | aD=aGAS1.VResolution(aDelta); |
| 2588 | if (fabs(V1-VS11) < aDelta) { |
| 2589 | bFlag=IsDegeneratedZone(aP2d, aS1, 2); |
| 2590 | if (bFlag) { |
| 2591 | return bFlag; |
| 2592 | } |
| 2593 | } |
| 2594 | if (fabs(V1-VS12) < aDelta) { |
| 2595 | bFlag=IsDegeneratedZone(aP2d, aS1, 2); |
| 2596 | if (bFlag) { |
| 2597 | return bFlag; |
| 2598 | } |
| 2599 | } |
| 2600 | // Check on Surf 2 |
| 2601 | aD=aGAS2.UResolution(aDelta); |
| 2602 | aP2d.SetCoord(U2, V2); |
| 2603 | if (fabs(U2-US21) < aDelta) { |
| 2604 | bFlag=IsDegeneratedZone(aP2d, aS2, 1); |
| 2605 | if (bFlag) { |
| 2606 | return bFlag; |
| 2607 | } |
| 2608 | } |
| 2609 | if (fabs(U2-US22) < aDelta) { |
| 2610 | bFlag=IsDegeneratedZone(aP2d, aS2, 1); |
| 2611 | if (bFlag) { |
| 2612 | return bFlag; |
| 2613 | } |
| 2614 | } |
| 2615 | aD=aGAS2.VResolution(aDelta); |
| 2616 | if (fabs(V2-VS21) < aDelta) { |
| 2617 | bFlag=IsDegeneratedZone(aP2d, aS2, 2); |
| 2618 | if (bFlag) { |
| 2619 | return bFlag; |
| 2620 | } |
| 2621 | } |
| 2622 | if (fabs(V2-VS22) < aDelta) { |
| 2623 | bFlag=IsDegeneratedZone(aP2d, aS2, 2); |
| 2624 | if (bFlag) { |
| 2625 | return bFlag; |
| 2626 | } |
| 2627 | } |
| 2628 | return !bFlag; |
| 2629 | } |
| 2630 | |
| 2631 | //======================================================================= |
| 2632 | //function : IsDegeneratedZone |
| 2633 | //purpose : |
| 2634 | //======================================================================= |
| 2635 | Standard_Boolean IsDegeneratedZone(const gp_Pnt2d& aP2d, |
| 2636 | const Handle(Geom_Surface)& aS, |
| 2637 | const Standard_Integer iDir) |
| 2638 | { |
| 2639 | Standard_Boolean bFlag=Standard_True; |
| 2640 | Standard_Real US1, US2, VS1, VS2, dY, dX, d1, d2, dD; |
| 2641 | Standard_Real aXm, aYm, aXb, aYb, aXe, aYe; |
| 2642 | aS->Bounds(US1, US2, VS1, VS2); |
| 2643 | |
| 2644 | gp_Pnt aPm, aPb, aPe; |
| 2645 | |
| 2646 | aXm=aP2d.X(); |
| 2647 | aYm=aP2d.Y(); |
| 2648 | |
| 2649 | aS->D0(aXm, aYm, aPm); |
| 2650 | |
| 2651 | dX=1.e-5; |
| 2652 | dY=1.e-5; |
| 2653 | dD=1.e-12; |
| 2654 | |
| 2655 | if (iDir==1) { |
| 2656 | aXb=aXm; |
| 2657 | aXe=aXm; |
| 2658 | aYb=aYm-dY; |
| 2659 | if (aYb < VS1) { |
| 2660 | aYb=VS1; |
| 2661 | } |
| 2662 | aYe=aYm+dY; |
| 2663 | if (aYe > VS2) { |
| 2664 | aYe=VS2; |
| 2665 | } |
| 2666 | aS->D0(aXb, aYb, aPb); |
| 2667 | aS->D0(aXe, aYe, aPe); |
| 2668 | |
| 2669 | d1=aPm.Distance(aPb); |
| 2670 | d2=aPm.Distance(aPe); |
| 2671 | if (d1 < dD && d2 < dD) { |
| 2672 | return bFlag; |
| 2673 | } |
| 2674 | return !bFlag; |
| 2675 | } |
| 2676 | // |
| 2677 | else if (iDir==2) { |
| 2678 | aYb=aYm; |
| 2679 | aYe=aYm; |
| 2680 | aXb=aXm-dX; |
| 2681 | if (aXb < US1) { |
| 2682 | aXb=US1; |
| 2683 | } |
| 2684 | aXe=aXm+dX; |
| 2685 | if (aXe > US2) { |
| 2686 | aXe=US2; |
| 2687 | } |
| 2688 | aS->D0(aXb, aYb, aPb); |
| 2689 | aS->D0(aXe, aYe, aPe); |
| 2690 | |
| 2691 | d1=aPm.Distance(aPb); |
| 2692 | d2=aPm.Distance(aPe); |
| 2693 | if (d1 < dD && d2 < dD) { |
| 2694 | return bFlag; |
| 2695 | } |
| 2696 | return !bFlag; |
| 2697 | } |
| 2698 | return !bFlag; |
| 2699 | } |
| 2700 | |
| 2701 | //========================================================================= |
| 2702 | // static function : ComputePurgedWLine |
| 2703 | // purpose : Removes equal points (leave one of equal points) from theWLine |
| 2704 | // and recompute vertex parameters. |
| 2705 | // Returns new WLine or null WLine if the number |
| 2706 | // of the points is less than 2. |
| 2707 | //========================================================================= |
| 2708 | Handle(IntPatch_WLine) ComputePurgedWLine(const Handle(IntPatch_WLine)& theWLine) { |
| 2709 | Handle(IntPatch_WLine) aResult; |
| 2710 | Handle(IntPatch_WLine) aLocalWLine; |
| 2711 | Handle(IntPatch_WLine) aTmpWLine = theWLine; |
| 2712 | |
| 2713 | Handle(IntSurf_LineOn2S) aLineOn2S = new IntSurf_LineOn2S(); |
| 2714 | aLocalWLine = new IntPatch_WLine(aLineOn2S, Standard_False); |
| 2715 | Standard_Integer i, k, v, nb, nbvtx; |
| 2716 | nbvtx = theWLine->NbVertex(); |
| 2717 | nb = theWLine->NbPnts(); |
| 2718 | |
| 2719 | for(i = 1; i <= nb; i++) { |
| 2720 | aLineOn2S->Add(theWLine->Point(i)); |
| 2721 | } |
| 2722 | |
| 2723 | for(v = 1; v <= nbvtx; v++) { |
| 2724 | aLocalWLine->AddVertex(theWLine->Vertex(v)); |
| 2725 | } |
| 2726 | |
| 2727 | for(i = 1; i <= aLineOn2S->NbPoints(); i++) { |
| 2728 | Standard_Integer aStartIndex = i + 1; |
| 2729 | Standard_Integer anEndIndex = i + 5; |
| 2730 | nb = aLineOn2S->NbPoints(); |
| 2731 | anEndIndex = (anEndIndex > nb) ? nb : anEndIndex; |
| 2732 | |
| 2733 | if((aStartIndex >= nb) || (anEndIndex <= 1)) { |
| 2734 | continue; |
| 2735 | } |
| 2736 | k = aStartIndex; |
| 2737 | |
| 2738 | while(k <= anEndIndex) { |
| 2739 | |
| 2740 | if(i != k) { |
| 2741 | IntSurf_PntOn2S p1 = aLineOn2S->Value(i); |
| 2742 | IntSurf_PntOn2S p2 = aLineOn2S->Value(k); |
| 2743 | |
| 2744 | if(p1.Value().IsEqual(p2.Value(), gp::Resolution())) { |
| 2745 | aTmpWLine = aLocalWLine; |
| 2746 | aLocalWLine = new IntPatch_WLine(aLineOn2S, Standard_False); |
| 2747 | |
| 2748 | for(v = 1; v <= aTmpWLine->NbVertex(); v++) { |
| 2749 | IntPatch_Point aVertex = aTmpWLine->Vertex(v); |
| 2750 | Standard_Integer avertexindex = (Standard_Integer)aVertex.ParameterOnLine(); |
| 2751 | |
| 2752 | if(avertexindex >= k) { |
| 2753 | aVertex.SetParameter(aVertex.ParameterOnLine() - 1.); |
| 2754 | } |
| 2755 | aLocalWLine->AddVertex(aVertex); |
| 2756 | } |
| 2757 | aLineOn2S->RemovePoint(k); |
| 2758 | anEndIndex--; |
| 2759 | continue; |
| 2760 | } |
| 2761 | } |
| 2762 | k++; |
| 2763 | } |
| 2764 | } |
| 2765 | |
| 2766 | if(aLineOn2S->NbPoints() > 1) { |
| 2767 | aResult = aLocalWLine; |
| 2768 | } |
| 2769 | return aResult; |
| 2770 | } |
| 2771 | |
| 2772 | //======================================================================= |
| 2773 | //function : TolR3d |
| 2774 | //purpose : |
| 2775 | //======================================================================= |
| 2776 | void TolR3d(const TopoDS_Face& aF1, |
| 2777 | const TopoDS_Face& aF2, |
| 2778 | Standard_Real& myTolReached3d) |
| 2779 | { |
| 2780 | Standard_Real aTolF1, aTolF2, aTolFMax, aTolTresh; |
| 2781 | |
| 2782 | aTolTresh=2.999999e-3; |
| 2783 | aTolF1 = BRep_Tool::Tolerance(aF1); |
| 2784 | aTolF2 = BRep_Tool::Tolerance(aF2); |
| 2785 | aTolFMax=Max(aTolF1, aTolF2); |
| 2786 | |
| 2787 | if (aTolFMax>aTolTresh) { |
| 2788 | myTolReached3d=aTolFMax; |
| 2789 | } |
| 2790 | } |
| 2791 | //======================================================================= |
| 2792 | //function : AdjustPeriodic |
| 2793 | //purpose : |
| 2794 | //======================================================================= |
| 2795 | Standard_Real AdjustPeriodic(const Standard_Real theParameter, |
| 2796 | const Standard_Real parmin, |
| 2797 | const Standard_Real parmax, |
| 2798 | const Standard_Real thePeriod, |
| 2799 | Standard_Real& theOffset) |
| 2800 | { |
| 2801 | Standard_Real aresult; |
| 2802 | // |
| 2803 | theOffset = 0.; |
| 2804 | aresult = theParameter; |
| 2805 | while(aresult < parmin) { |
| 2806 | aresult += thePeriod; |
| 2807 | theOffset += thePeriod; |
| 2808 | } |
| 2809 | |
| 2810 | while(aresult > parmax) { |
| 2811 | aresult -= thePeriod; |
| 2812 | theOffset -= thePeriod; |
| 2813 | } |
| 2814 | return aresult; |
| 2815 | } |
| 2816 | //======================================================================= |
| 2817 | //function : IsPointOnBoundary |
| 2818 | //purpose : |
| 2819 | //======================================================================= |
| 2820 | Standard_Boolean IsPointOnBoundary(const Standard_Real theParameter, |
| 2821 | const Standard_Real theFirstBoundary, |
| 2822 | const Standard_Real theSecondBoundary, |
| 2823 | const Standard_Real theResolution, |
| 2824 | Standard_Boolean& IsOnFirstBoundary) |
| 2825 | { |
| 2826 | Standard_Boolean bRet; |
| 2827 | Standard_Integer i; |
| 2828 | Standard_Real adist; |
| 2829 | // |
| 2830 | bRet=Standard_False; |
| 2831 | for(i = 0; i < 2; ++i) { |
| 2832 | IsOnFirstBoundary = (i == 0); |
| 2833 | if (IsOnFirstBoundary) { |
| 2834 | adist = fabs(theParameter - theFirstBoundary); |
| 2835 | } |
| 2836 | else { |
| 2837 | adist = fabs(theParameter - theSecondBoundary); |
| 2838 | } |
| 2839 | if(adist < theResolution) { |
| 2840 | return !bRet; |
| 2841 | } |
| 2842 | } |
| 2843 | return bRet; |
| 2844 | } |
| 2845 | // ------------------------------------------------------------------------------------------------ |
| 2846 | // static function: FindPoint |
| 2847 | // purpose: |
| 2848 | // ------------------------------------------------------------------------------------------------ |
| 2849 | Standard_Boolean FindPoint(const gp_Pnt2d& theFirstPoint, |
| 2850 | const gp_Pnt2d& theLastPoint, |
| 2851 | const Standard_Real theUmin, |
| 2852 | const Standard_Real theUmax, |
| 2853 | const Standard_Real theVmin, |
| 2854 | const Standard_Real theVmax, |
| 2855 | gp_Pnt2d& theNewPoint) { |
| 2856 | |
| 2857 | gp_Vec2d aVec(theFirstPoint, theLastPoint); |
| 2858 | Standard_Integer i = 0, j = 0; |
| 2859 | |
| 2860 | for(i = 0; i < 4; i++) { |
| 2861 | gp_Vec2d anOtherVec; |
| 2862 | gp_Vec2d anOtherVecNormal; |
| 2863 | gp_Pnt2d aprojpoint = theLastPoint; |
| 2864 | |
| 2865 | if((i % 2) == 0) { |
| 2866 | anOtherVec.SetX(0.); |
| 2867 | anOtherVec.SetY(1.); |
| 2868 | anOtherVecNormal.SetX(1.); |
| 2869 | anOtherVecNormal.SetY(0.); |
| 2870 | |
| 2871 | if(i < 2) |
| 2872 | aprojpoint.SetX(theUmin); |
| 2873 | else |
| 2874 | aprojpoint.SetX(theUmax); |
| 2875 | } |
| 2876 | else { |
| 2877 | anOtherVec.SetX(1.); |
| 2878 | anOtherVec.SetY(0.); |
| 2879 | anOtherVecNormal.SetX(0.); |
| 2880 | anOtherVecNormal.SetY(1.); |
| 2881 | |
| 2882 | if(i < 2) |
| 2883 | aprojpoint.SetY(theVmin); |
| 2884 | else |
| 2885 | aprojpoint.SetY(theVmax); |
| 2886 | } |
| 2887 | gp_Vec2d anormvec = aVec; |
| 2888 | anormvec.Normalize(); |
| 2889 | Standard_Real adot1 = anormvec.Dot(anOtherVecNormal); |
| 2890 | |
| 2891 | if(fabs(adot1) < Precision::Angular()) |
| 2892 | continue; |
| 2893 | Standard_Real adist = 0.; |
| 2894 | Standard_Boolean bIsOut = Standard_False; |
| 2895 | |
| 2896 | if((i % 2) == 0) { |
| 2897 | adist = (i < 2) ? fabs(theLastPoint.X() - theUmin) : fabs(theLastPoint.X() - theUmax); |
| 2898 | bIsOut = (i < 2) ? (theLastPoint.X() < theUmin) : (theLastPoint.X() > theUmax); |
| 2899 | } |
| 2900 | else { |
| 2901 | adist = (i < 2) ? fabs(theLastPoint.Y() - theVmin) : fabs(theLastPoint.Y() - theVmax); |
| 2902 | bIsOut = (i < 2) ? (theLastPoint.Y() < theVmin) : (theLastPoint.Y() > theVmax); |
| 2903 | } |
| 2904 | Standard_Real anoffset = adist * anOtherVec.Dot(anormvec) / adot1; |
| 2905 | |
| 2906 | for(j = 0; j < 2; j++) { |
| 2907 | anoffset = (j == 0) ? anoffset : -anoffset; |
| 2908 | gp_Pnt2d acurpoint(aprojpoint.XY() + (anOtherVec.XY()*anoffset)); |
| 2909 | gp_Vec2d acurvec(theLastPoint, acurpoint); |
| 2910 | if ( bIsOut ) |
| 2911 | acurvec.Reverse(); |
| 2912 | |
| 2913 | Standard_Real aDotX, anAngleX; |
| 2914 | // |
| 2915 | aDotX = aVec.Dot(acurvec); |
| 2916 | anAngleX = aVec.Angle(acurvec); |
| 2917 | // |
| 2918 | if(aDotX > 0. && fabs(anAngleX) < Precision::PConfusion()) { |
| 2919 | if((i % 2) == 0) { |
| 2920 | if((acurpoint.Y() >= theVmin) && |
| 2921 | (acurpoint.Y() <= theVmax)) { |
| 2922 | theNewPoint = acurpoint; |
| 2923 | return Standard_True; |
| 2924 | } |
| 2925 | } |
| 2926 | else { |
| 2927 | if((acurpoint.X() >= theUmin) && |
| 2928 | (acurpoint.X() <= theUmax)) { |
| 2929 | theNewPoint = acurpoint; |
| 2930 | return Standard_True; |
| 2931 | } |
| 2932 | } |
| 2933 | } |
| 2934 | } |
| 2935 | } |
| 2936 | return Standard_False; |
| 2937 | } |
| 2938 | |
| 2939 | |
| 2940 | // ------------------------------------------------------------------------------------------------ |
| 2941 | // static function: FindPoint |
| 2942 | // purpose: Find point on the boundary of radial tangent zone |
| 2943 | // ------------------------------------------------------------------------------------------------ |
| 2944 | Standard_Boolean FindPoint(const gp_Pnt2d& theFirstPoint, |
| 2945 | const gp_Pnt2d& theLastPoint, |
| 2946 | const Standard_Real theUmin, |
| 2947 | const Standard_Real theUmax, |
| 2948 | const Standard_Real theVmin, |
| 2949 | const Standard_Real theVmax, |
| 2950 | const gp_Pnt2d& theTanZoneCenter, |
| 2951 | const Standard_Real theZoneRadius, |
| 2952 | Handle(GeomAdaptor_HSurface) theGASurface, |
| 2953 | gp_Pnt2d& theNewPoint) { |
| 2954 | theNewPoint = theLastPoint; |
| 2955 | |
| 2956 | if ( !IsInsideTanZone( theLastPoint, theTanZoneCenter, theZoneRadius, theGASurface) ) |
| 2957 | return Standard_False; |
| 2958 | |
| 2959 | Standard_Real aUResolution = theGASurface->UResolution( theZoneRadius ); |
| 2960 | Standard_Real aVResolution = theGASurface->VResolution( theZoneRadius ); |
| 2961 | |
| 2962 | Standard_Real aRadius = ( aUResolution < aVResolution ) ? aUResolution : aVResolution; |
| 2963 | gp_Ax22d anAxis( theTanZoneCenter, gp_Dir2d(1, 0), gp_Dir2d(0, 1) ); |
| 2964 | gp_Circ2d aCircle( anAxis, aRadius ); |
| 2965 | |
| 2966 | // |
| 2967 | gp_Vec2d aDir( theLastPoint.XY() - theFirstPoint.XY() ); |
| 2968 | Standard_Real aLength = aDir.Magnitude(); |
| 2969 | if ( aLength <= gp::Resolution() ) |
| 2970 | return Standard_False; |
| 2971 | gp_Lin2d aLine( theFirstPoint, aDir ); |
| 2972 | |
| 2973 | // |
| 2974 | Handle(Geom2d_Line) aCLine = new Geom2d_Line( aLine ); |
| 2975 | Handle(Geom2d_TrimmedCurve) aC1 = new Geom2d_TrimmedCurve( aCLine, 0, aLength ); |
| 2976 | Handle(Geom2d_Circle) aC2 = new Geom2d_Circle( aCircle ); |
| 2977 | |
| 2978 | Standard_Real aTol = aRadius * 0.001; |
| 2979 | aTol = ( aTol < Precision::PConfusion() ) ? Precision::PConfusion() : aTol; |
| 2980 | |
| 2981 | Geom2dAPI_InterCurveCurve anIntersector; |
| 2982 | anIntersector.Init( aC1, aC2, aTol ); |
| 2983 | |
| 2984 | if ( anIntersector.NbPoints() == 0 ) |
| 2985 | return Standard_False; |
| 2986 | |
| 2987 | Standard_Boolean aFound = Standard_False; |
| 2988 | Standard_Real aMinDist = aLength * aLength; |
| 2989 | Standard_Integer i = 0; |
| 2990 | for ( i = 1; i <= anIntersector.NbPoints(); i++ ) { |
| 2991 | gp_Pnt2d aPInt = anIntersector.Point( i ); |
| 2992 | if ( aPInt.SquareDistance( theFirstPoint ) < aMinDist ) { |
| 2993 | if ( ( aPInt.X() >= theUmin ) && ( aPInt.X() <= theUmax ) && |
| 2994 | ( aPInt.Y() >= theVmin ) && ( aPInt.Y() <= theVmax ) ) { |
| 2995 | theNewPoint = aPInt; |
| 2996 | aFound = Standard_True; |
| 2997 | } |
| 2998 | } |
| 2999 | } |
| 3000 | |
| 3001 | return aFound; |
| 3002 | } |
| 3003 | |
| 3004 | // ------------------------------------------------------------------------------------------------ |
| 3005 | // static function: IsInsideTanZone |
| 3006 | // purpose: Check if point is inside a radial tangent zone |
| 3007 | // ------------------------------------------------------------------------------------------------ |
| 3008 | Standard_Boolean IsInsideTanZone(const gp_Pnt2d& thePoint, |
| 3009 | const gp_Pnt2d& theTanZoneCenter, |
| 3010 | const Standard_Real theZoneRadius, |
| 3011 | Handle(GeomAdaptor_HSurface) theGASurface) { |
| 3012 | |
| 3013 | Standard_Real aUResolution = theGASurface->UResolution( theZoneRadius ); |
| 3014 | Standard_Real aVResolution = theGASurface->VResolution( theZoneRadius ); |
| 3015 | Standard_Real aRadiusSQR = ( aUResolution < aVResolution ) ? aUResolution : aVResolution; |
| 3016 | aRadiusSQR *= aRadiusSQR; |
| 3017 | if ( thePoint.SquareDistance( theTanZoneCenter ) <= aRadiusSQR ) |
| 3018 | return Standard_True; |
| 3019 | return Standard_False; |
| 3020 | } |
| 3021 | |
| 3022 | // ------------------------------------------------------------------------------------------------ |
| 3023 | // static function: CheckTangentZonesExist |
| 3024 | // purpose: Check if tangent zone exists |
| 3025 | // ------------------------------------------------------------------------------------------------ |
| 3026 | Standard_Boolean CheckTangentZonesExist( const Handle(GeomAdaptor_HSurface)& theSurface1, |
| 3027 | const Handle(GeomAdaptor_HSurface)& theSurface2 ) |
| 3028 | { |
| 3029 | if ( ( theSurface1->GetType() != GeomAbs_Torus ) || |
| 3030 | ( theSurface2->GetType() != GeomAbs_Torus ) ) |
| 3031 | return Standard_False; |
| 3032 | |
| 3033 | IntTools_Context aContext; |
| 3034 | |
| 3035 | gp_Torus aTor1 = theSurface1->Torus(); |
| 3036 | gp_Torus aTor2 = theSurface2->Torus(); |
| 3037 | |
| 3038 | if ( aTor1.Location().Distance( aTor2.Location() ) > Precision::Confusion() ) |
| 3039 | return Standard_False; |
| 3040 | |
| 3041 | if ( ( fabs( aTor1.MajorRadius() - aTor2.MajorRadius() ) > Precision::Confusion() ) || |
| 3042 | ( fabs( aTor1.MinorRadius() - aTor2.MinorRadius() ) > Precision::Confusion() ) ) |
| 3043 | return Standard_False; |
| 3044 | |
| 3045 | if ( ( aTor1.MajorRadius() < aTor1.MinorRadius() ) || |
| 3046 | ( aTor2.MajorRadius() < aTor2.MinorRadius() ) ) |
| 3047 | return Standard_False; |
| 3048 | return Standard_True; |
| 3049 | } |
| 3050 | |
| 3051 | // ------------------------------------------------------------------------------------------------ |
| 3052 | // static function: ComputeTangentZones |
| 3053 | // purpose: |
| 3054 | // ------------------------------------------------------------------------------------------------ |
| 3055 | Standard_Integer ComputeTangentZones( const Handle(GeomAdaptor_HSurface)& theSurface1, |
| 3056 | const Handle(GeomAdaptor_HSurface)& theSurface2, |
| 3057 | const TopoDS_Face& theFace1, |
| 3058 | const TopoDS_Face& theFace2, |
| 3059 | Handle(TColgp_HArray1OfPnt2d)& theResultOnS1, |
| 3060 | Handle(TColgp_HArray1OfPnt2d)& theResultOnS2, |
| 3061 | Handle(TColStd_HArray1OfReal)& theResultRadius) { |
| 3062 | Standard_Integer aResult = 0; |
| 3063 | if ( !CheckTangentZonesExist( theSurface1, theSurface2 ) ) |
| 3064 | return aResult; |
| 3065 | |
| 3066 | IntTools_Context aContext; |
| 3067 | |
| 3068 | TColgp_SequenceOfPnt2d aSeqResultS1, aSeqResultS2; |
| 3069 | TColStd_SequenceOfReal aSeqResultRad; |
| 3070 | |
| 3071 | gp_Torus aTor1 = theSurface1->Torus(); |
| 3072 | gp_Torus aTor2 = theSurface2->Torus(); |
| 3073 | |
| 3074 | gp_Ax2 anax1( aTor1.Location(), aTor1.Axis().Direction() ); |
| 3075 | gp_Ax2 anax2( aTor2.Location(), aTor2.Axis().Direction() ); |
| 3076 | Standard_Integer j = 0; |
| 3077 | |
| 3078 | for ( j = 0; j < 2; j++ ) { |
| 3079 | Standard_Real aCoef = ( j == 0 ) ? -1 : 1; |
| 3080 | Standard_Real aRadius1 = fabs(aTor1.MajorRadius() + aCoef * aTor1.MinorRadius()); |
| 3081 | Standard_Real aRadius2 = fabs(aTor2.MajorRadius() + aCoef * aTor2.MinorRadius()); |
| 3082 | |
| 3083 | gp_Circ aCircle1( anax1, aRadius1 ); |
| 3084 | gp_Circ aCircle2( anax2, aRadius2 ); |
| 3085 | |
| 3086 | // roughly compute radius of tangent zone for perpendicular case |
| 3087 | Standard_Real aCriteria = Precision::Confusion() * 0.5; |
| 3088 | |
| 3089 | Standard_Real aT1 = aCriteria; |
| 3090 | Standard_Real aT2 = aCriteria; |
| 3091 | if ( j == 0 ) { |
| 3092 | // internal tangency |
| 3093 | Standard_Real aR = ( aRadius1 > aTor2.MinorRadius() ) ? aRadius1 : aTor2.MinorRadius(); |
| 3094 | //aT1 = aCriteria * aCriteria + aR * aR - ( aR - aCriteria ) * ( aR - aCriteria ); |
| 3095 | aT1 = 2. * aR * aCriteria; |
| 3096 | aT2 = aT1; |
| 3097 | } |
| 3098 | else { |
| 3099 | // external tangency |
| 3100 | Standard_Real aRb = ( aRadius1 > aTor2.MinorRadius() ) ? aRadius1 : aTor2.MinorRadius(); |
| 3101 | Standard_Real aRm = ( aRadius1 < aTor2.MinorRadius() ) ? aRadius1 : aTor2.MinorRadius(); |
| 3102 | Standard_Real aDelta = aRb - aCriteria; |
| 3103 | aDelta *= aDelta; |
| 3104 | aDelta -= aRm * aRm; |
| 3105 | aDelta /= 2. * (aRb - aRm); |
| 3106 | aDelta -= 0.5 * (aRb - aRm); |
| 3107 | |
| 3108 | aT1 = 2. * aRm * (aRm - aDelta); |
| 3109 | aT2 = aT1; |
| 3110 | } |
| 3111 | aCriteria = ( aT1 > aT2) ? aT1 : aT2; |
| 3112 | if ( aCriteria > 0 ) |
| 3113 | aCriteria = sqrt( aCriteria ); |
| 3114 | |
| 3115 | if ( aCriteria > 0.5 * aTor1.MinorRadius() ) { |
| 3116 | // too big zone -> drop to minimum |
| 3117 | aCriteria = Precision::Confusion(); |
| 3118 | } |
| 3119 | |
| 3120 | GeomAdaptor_Curve aC1( new Geom_Circle(aCircle1) ); |
| 3121 | GeomAdaptor_Curve aC2( new Geom_Circle(aCircle2) ); |
| 3122 | Extrema_ExtCC anExtrema(aC1, aC2, 0, 2.*Standard_PI, 0, 2.*Standard_PI, |
| 3123 | Precision::PConfusion(), Precision::PConfusion()); |
| 3124 | |
| 3125 | if ( anExtrema.IsDone() ) { |
| 3126 | |
| 3127 | Standard_Integer i = 0; |
| 3128 | for ( i = 1; i <= anExtrema.NbExt(); i++ ) { |
| 3129 | if ( anExtrema.SquareDistance(i) > aCriteria * aCriteria ) |
| 3130 | continue; |
| 3131 | |
| 3132 | Extrema_POnCurv P1, P2; |
| 3133 | anExtrema.Points( i, P1, P2 ); |
| 3134 | |
| 3135 | Standard_Boolean bFoundResult = Standard_True; |
| 3136 | gp_Pnt2d pr1, pr2; |
| 3137 | |
| 3138 | Standard_Integer surfit = 0; |
| 3139 | for ( surfit = 0; surfit < 2; surfit++ ) { |
| 3140 | GeomAPI_ProjectPointOnSurf& aProjector = (surfit == 0) ? aContext.ProjPS(theFace1) : aContext.ProjPS(theFace2); |
| 3141 | |
| 3142 | gp_Pnt aP3d = (surfit == 0) ? P1.Value() : P2.Value(); |
| 3143 | aProjector.Perform(aP3d); |
| 3144 | |
| 3145 | if(!aProjector.IsDone()) |
| 3146 | bFoundResult = Standard_False; |
| 3147 | else { |
| 3148 | if(aProjector.LowerDistance() > aCriteria) { |
| 3149 | bFoundResult = Standard_False; |
| 3150 | } |
| 3151 | else { |
| 3152 | Standard_Real foundU = 0, foundV = 0; |
| 3153 | aProjector.LowerDistanceParameters(foundU, foundV); |
| 3154 | if ( surfit == 0 ) |
| 3155 | pr1 = gp_Pnt2d( foundU, foundV ); |
| 3156 | else |
| 3157 | pr2 = gp_Pnt2d( foundU, foundV ); |
| 3158 | } |
| 3159 | } |
| 3160 | } |
| 3161 | if ( bFoundResult ) { |
| 3162 | aSeqResultS1.Append( pr1 ); |
| 3163 | aSeqResultS2.Append( pr2 ); |
| 3164 | aSeqResultRad.Append( aCriteria ); |
| 3165 | |
| 3166 | // torus is u and v periodic |
| 3167 | const Standard_Real twoPI = Standard_PI + Standard_PI; |
| 3168 | Standard_Real arr1tmp[2] = {pr1.X(), pr1.Y()}; |
| 3169 | Standard_Real arr2tmp[2] = {pr2.X(), pr2.Y()}; |
| 3170 | |
| 3171 | // iteration on period bounds |
| 3172 | for ( Standard_Integer k1 = 0; k1 < 2; k1++ ) { |
| 3173 | Standard_Real aBound = ( k1 == 0 ) ? 0 : twoPI; |
| 3174 | Standard_Real aShift = ( k1 == 0 ) ? twoPI : -twoPI; |
| 3175 | |
| 3176 | // iteration on surfaces |
| 3177 | for ( Standard_Integer k2 = 0; k2 < 2; k2++ ) { |
| 3178 | Standard_Real* arr1 = ( k2 == 0 ) ? arr1tmp : arr2tmp; |
| 3179 | Standard_Real* arr2 = ( k2 != 0 ) ? arr1tmp : arr2tmp; |
| 3180 | TColgp_SequenceOfPnt2d& aSeqS1 = ( k2 == 0 ) ? aSeqResultS1 : aSeqResultS2; |
| 3181 | TColgp_SequenceOfPnt2d& aSeqS2 = ( k2 != 0 ) ? aSeqResultS1 : aSeqResultS2; |
| 3182 | |
| 3183 | if (fabs(arr1[0] - aBound) < Precision::PConfusion()) { |
| 3184 | aSeqS1.Append( gp_Pnt2d( arr1[0] + aShift, arr1[1] ) ); |
| 3185 | aSeqS2.Append( gp_Pnt2d( arr2[0], arr2[1] ) ); |
| 3186 | aSeqResultRad.Append( aCriteria ); |
| 3187 | } |
| 3188 | if (fabs(arr1[1] - aBound) < Precision::PConfusion()) { |
| 3189 | aSeqS1.Append( gp_Pnt2d( arr1[0], arr1[1] + aShift) ); |
| 3190 | aSeqS2.Append( gp_Pnt2d( arr2[0], arr2[1] ) ); |
| 3191 | aSeqResultRad.Append( aCriteria ); |
| 3192 | } |
| 3193 | } |
| 3194 | } // |
| 3195 | } |
| 3196 | } |
| 3197 | } |
| 3198 | } |
| 3199 | aResult = aSeqResultRad.Length(); |
| 3200 | |
| 3201 | if ( aResult > 0 ) { |
| 3202 | theResultOnS1 = new TColgp_HArray1OfPnt2d( 1, aResult ); |
| 3203 | theResultOnS2 = new TColgp_HArray1OfPnt2d( 1, aResult ); |
| 3204 | theResultRadius = new TColStd_HArray1OfReal( 1, aResult ); |
| 3205 | |
| 3206 | for ( Standard_Integer i = 1 ; i <= aResult; i++ ) { |
| 3207 | theResultOnS1->SetValue( i, aSeqResultS1.Value(i) ); |
| 3208 | theResultOnS2->SetValue( i, aSeqResultS2.Value(i) ); |
| 3209 | theResultRadius->SetValue( i, aSeqResultRad.Value(i) ); |
| 3210 | } |
| 3211 | } |
| 3212 | return aResult; |
| 3213 | } |
| 3214 | |
| 3215 | // ------------------------------------------------------------------------------------------------ |
| 3216 | // static function: AdjustByNeighbour |
| 3217 | // purpose: |
| 3218 | // ------------------------------------------------------------------------------------------------ |
| 3219 | gp_Pnt2d AdjustByNeighbour(const gp_Pnt2d& theaNeighbourPoint, |
| 3220 | const gp_Pnt2d& theOriginalPoint, |
| 3221 | Handle(GeomAdaptor_HSurface) theGASurface) { |
| 3222 | |
| 3223 | gp_Pnt2d ap1 = theaNeighbourPoint; |
| 3224 | gp_Pnt2d ap2 = theOriginalPoint; |
| 3225 | |
| 3226 | if ( theGASurface->IsUPeriodic() ) { |
| 3227 | Standard_Real aPeriod = theGASurface->UPeriod(); |
| 3228 | gp_Pnt2d aPTest = ap2; |
| 3229 | Standard_Real aSqDistMin = 1.e+100; |
| 3230 | |
| 3231 | for ( Standard_Integer pIt = -1; pIt <= 1; pIt++) { |
| 3232 | aPTest.SetX( theOriginalPoint.X() + aPeriod * pIt ); |
| 3233 | Standard_Real dd = ap1.SquareDistance( aPTest ); |
| 3234 | |
| 3235 | if ( dd < aSqDistMin ) { |
| 3236 | ap2 = aPTest; |
| 3237 | aSqDistMin = dd; |
| 3238 | } |
| 3239 | } |
| 3240 | } |
| 3241 | if ( theGASurface->IsVPeriodic() ) { |
| 3242 | Standard_Real aPeriod = theGASurface->VPeriod(); |
| 3243 | gp_Pnt2d aPTest = ap2; |
| 3244 | Standard_Real aSqDistMin = 1.e+100; |
| 3245 | |
| 3246 | for ( Standard_Integer pIt = -1; pIt <= 1; pIt++) { |
| 3247 | aPTest.SetY( theOriginalPoint.Y() + aPeriod * pIt ); |
| 3248 | Standard_Real dd = ap1.SquareDistance( aPTest ); |
| 3249 | |
| 3250 | if ( dd < aSqDistMin ) { |
| 3251 | ap2 = aPTest; |
| 3252 | aSqDistMin = dd; |
| 3253 | } |
| 3254 | } |
| 3255 | } |
| 3256 | return ap2; |
| 3257 | } |
| 3258 | |
| 3259 | // ------------------------------------------------------------------------------------------------ |
| 3260 | //function: DecompositionOfWLine |
| 3261 | // purpose: |
| 3262 | // ------------------------------------------------------------------------------------------------ |
| 3263 | Standard_Boolean DecompositionOfWLine(const Handle(IntPatch_WLine)& theWLine, |
| 3264 | const Handle(GeomAdaptor_HSurface)& theSurface1, |
| 3265 | const Handle(GeomAdaptor_HSurface)& theSurface2, |
| 3266 | const TopoDS_Face& theFace1, |
| 3267 | const TopoDS_Face& theFace2, |
| 3268 | const IntTools_LineConstructor& theLConstructor, |
| 3269 | const Standard_Boolean theAvoidLConstructor, |
| 3270 | IntPatch_SequenceOfLine& theNewLines, |
| 3271 | Standard_Real& theReachedTol3d) { |
| 3272 | |
| 3273 | Standard_Boolean bRet, bAvoidLineConstructor; |
| 3274 | Standard_Integer aNbPnts, aNbParts; |
| 3275 | // |
| 3276 | bRet=Standard_False; |
| 3277 | aNbPnts=theWLine->NbPnts(); |
| 3278 | bAvoidLineConstructor=theAvoidLConstructor; |
| 3279 | // |
| 3280 | if(!aNbPnts){ |
| 3281 | return bRet; |
| 3282 | } |
| 3283 | if (!bAvoidLineConstructor) { |
| 3284 | aNbParts=theLConstructor.NbParts(); |
| 3285 | if (!aNbParts) { |
| 3286 | return bRet; |
| 3287 | } |
| 3288 | } |
| 3289 | // |
| 3290 | Standard_Boolean bIsPrevPointOnBoundary, bIsPointOnBoundary, bIsCurrentPointOnBoundary; |
| 3291 | Standard_Integer nblines, pit, i, j; |
| 3292 | Standard_Real aTol; |
| 3293 | TColStd_Array1OfListOfInteger anArrayOfLines(1, aNbPnts); |
| 3294 | TColStd_Array1OfInteger anArrayOfLineType(1, aNbPnts); |
| 3295 | TColStd_ListOfInteger aListOfPointIndex; |
| 3296 | IntTools_Context aContext; |
| 3297 | |
| 3298 | Handle(TColgp_HArray1OfPnt2d) aTanZoneS1; |
| 3299 | Handle(TColgp_HArray1OfPnt2d) aTanZoneS2; |
| 3300 | Handle(TColStd_HArray1OfReal) aTanZoneRadius; |
| 3301 | Standard_Integer aNbZone = ComputeTangentZones( theSurface1, theSurface2, theFace1, theFace2, |
| 3302 | aTanZoneS1, aTanZoneS2, aTanZoneRadius ); |
| 3303 | |
| 3304 | // |
| 3305 | nblines=0; |
| 3306 | aTol=Precision::Confusion(); |
| 3307 | aTol=0.5*aTol; |
| 3308 | bIsPrevPointOnBoundary=Standard_False; |
| 3309 | bIsPointOnBoundary=Standard_False; |
| 3310 | // |
| 3311 | // 1. ... |
| 3312 | // |
| 3313 | // Points |
| 3314 | for(pit = 1; pit <= aNbPnts; ++pit) { |
| 3315 | Standard_Boolean bIsOnFirstBoundary, isperiodic; |
| 3316 | Standard_Real aResolution, aPeriod, alowerboundary, aupperboundary, U, V; |
| 3317 | Standard_Real aParameter, anoffset, anAdjustPar; |
| 3318 | Standard_Real umin, umax, vmin, vmax; |
| 3319 | // |
| 3320 | bIsCurrentPointOnBoundary = Standard_False; |
| 3321 | const IntSurf_PntOn2S& aPoint = theWLine->Point(pit); |
| 3322 | // |
| 3323 | // Surface |
| 3324 | for(i = 0; i < 2; ++i) { |
| 3325 | Handle(GeomAdaptor_HSurface) aGASurface = (!i) ? theSurface1 : theSurface2; |
| 3326 | aGASurface->ChangeSurface().Surface()->Bounds(umin, umax, vmin, vmax); |
| 3327 | if(!i) { |
| 3328 | aPoint.ParametersOnS1(U, V); |
| 3329 | } |
| 3330 | else { |
| 3331 | aPoint.ParametersOnS2(U, V); |
| 3332 | } |
| 3333 | // U, V |
| 3334 | for(j = 0; j < 2; j++) { |
| 3335 | isperiodic = (!j) ? aGASurface->IsUPeriodic() : aGASurface->IsVPeriodic(); |
| 3336 | if(!isperiodic){ |
| 3337 | continue; |
| 3338 | } |
| 3339 | // |
| 3340 | if (!j) { |
| 3341 | aResolution=aGASurface->UResolution(aTol); |
| 3342 | aPeriod=aGASurface->UPeriod(); |
| 3343 | alowerboundary=umin; |
| 3344 | aupperboundary=umax; |
| 3345 | aParameter=U; |
| 3346 | } |
| 3347 | else { |
| 3348 | aResolution=aGASurface->VResolution(aTol); |
| 3349 | aPeriod=aGASurface->VPeriod(); |
| 3350 | alowerboundary=vmin; |
| 3351 | aupperboundary=vmax; |
| 3352 | aParameter=V; |
| 3353 | } |
| 3354 | |
| 3355 | anoffset = 0.; |
| 3356 | anAdjustPar = AdjustPeriodic(aParameter, |
| 3357 | alowerboundary, |
| 3358 | aupperboundary, |
| 3359 | aPeriod, |
| 3360 | anoffset); |
| 3361 | // |
| 3362 | bIsOnFirstBoundary = Standard_True;// ? |
| 3363 | bIsPointOnBoundary= |
| 3364 | IsPointOnBoundary(anAdjustPar, |
| 3365 | alowerboundary, |
| 3366 | aupperboundary, |
| 3367 | aResolution, |
| 3368 | bIsOnFirstBoundary); |
| 3369 | // |
| 3370 | if(bIsPointOnBoundary) { |
| 3371 | bIsCurrentPointOnBoundary = Standard_True; |
| 3372 | break; |
| 3373 | } |
| 3374 | else { |
| 3375 | // check if a point belong to a tangent zone. Begin |
| 3376 | Standard_Integer zIt = 0; |
| 3377 | for ( zIt = 1; zIt <= aNbZone; zIt++ ) { |
| 3378 | gp_Pnt2d aPZone = (i == 0) ? aTanZoneS1->Value(zIt) : aTanZoneS2->Value(zIt); |
| 3379 | Standard_Real aZoneRadius = aTanZoneRadius->Value(zIt); |
| 3380 | |
| 3381 | if ( IsInsideTanZone(gp_Pnt2d( U, V ), aPZone, aZoneRadius, aGASurface ) ) { |
| 3382 | // set boundary flag to split the curve by a tangent zone |
| 3383 | bIsPointOnBoundary = Standard_True; |
| 3384 | bIsCurrentPointOnBoundary = Standard_True; |
| 3385 | if ( theReachedTol3d < aZoneRadius ) { |
| 3386 | theReachedTol3d = aZoneRadius; |
| 3387 | } |
| 3388 | break; |
| 3389 | } |
| 3390 | } |
| 3391 | } |
| 3392 | }//for(j = 0; j < 2; j++) { |
| 3393 | |
| 3394 | if(bIsCurrentPointOnBoundary){ |
| 3395 | break; |
| 3396 | } |
| 3397 | }//for(i = 0; i < 2; ++i) { |
| 3398 | // |
| 3399 | if((bIsCurrentPointOnBoundary != bIsPrevPointOnBoundary)) { |
| 3400 | if(!aListOfPointIndex.IsEmpty()) { |
| 3401 | nblines++; |
| 3402 | anArrayOfLines.SetValue(nblines, aListOfPointIndex); |
| 3403 | anArrayOfLineType.SetValue(nblines, bIsPrevPointOnBoundary); |
| 3404 | aListOfPointIndex.Clear(); |
| 3405 | } |
| 3406 | bIsPrevPointOnBoundary = bIsCurrentPointOnBoundary; |
| 3407 | } |
| 3408 | aListOfPointIndex.Append(pit); |
| 3409 | } //for(pit = 1; pit <= aNbPnts; ++pit) { |
| 3410 | // |
| 3411 | if(!aListOfPointIndex.IsEmpty()) { |
| 3412 | nblines++; |
| 3413 | anArrayOfLines.SetValue(nblines, aListOfPointIndex); |
| 3414 | anArrayOfLineType.SetValue(nblines, bIsPrevPointOnBoundary); |
| 3415 | aListOfPointIndex.Clear(); |
| 3416 | } |
| 3417 | // |
| 3418 | if(nblines<=1) { |
| 3419 | return bRet; //Standard_False; |
| 3420 | } |
| 3421 | // |
| 3422 | // |
| 3423 | // 2. Correct wlines.begin |
| 3424 | TColStd_Array1OfListOfInteger anArrayOfLineEnds(1, nblines); |
| 3425 | Handle(IntSurf_LineOn2S) aSeqOfPntOn2S = new IntSurf_LineOn2S(); |
| 3426 | // |
| 3427 | for(i = 1; i <= nblines; i++) { |
| 3428 | if(anArrayOfLineType.Value(i) != 0) { |
| 3429 | continue; |
| 3430 | } |
| 3431 | const TColStd_ListOfInteger& aListOfIndex = anArrayOfLines.Value(i); |
| 3432 | if(aListOfIndex.Extent() < 2) { |
| 3433 | continue; |
| 3434 | } |
| 3435 | TColStd_ListOfInteger aListOfFLIndex; |
| 3436 | |
| 3437 | for(j = 0; j < 2; j++) { |
| 3438 | Standard_Integer aneighbourindex = (j == 0) ? (i - 1) : (i + 1); |
| 3439 | |
| 3440 | if((aneighbourindex < 1) || (aneighbourindex > nblines)) |
| 3441 | continue; |
| 3442 | |
| 3443 | if(anArrayOfLineType.Value(aneighbourindex) == 0) |
| 3444 | continue; |
| 3445 | const TColStd_ListOfInteger& aNeighbour = anArrayOfLines.Value(aneighbourindex); |
| 3446 | Standard_Integer anIndex = (j == 0) ? aNeighbour.Last() : aNeighbour.First(); |
| 3447 | const IntSurf_PntOn2S& aPoint = theWLine->Point(anIndex); |
| 3448 | |
| 3449 | IntSurf_PntOn2S aNewP = aPoint; |
| 3450 | |
| 3451 | for(Standard_Integer surfit = 0; surfit < 2; surfit++) { |
| 3452 | |
| 3453 | Handle(GeomAdaptor_HSurface) aGASurface = (surfit == 0) ? theSurface1 : theSurface2; |
| 3454 | Standard_Real umin=0., umax=0., vmin=0., vmax=0.; |
| 3455 | aGASurface->ChangeSurface().Surface()->Bounds(umin, umax, vmin, vmax); |
| 3456 | Standard_Real U=0., V=0.; |
| 3457 | |
| 3458 | if(surfit == 0) |
| 3459 | aNewP.ParametersOnS1(U, V); |
| 3460 | else |
| 3461 | aNewP.ParametersOnS2(U, V); |
| 3462 | Standard_Integer nbboundaries = 0; |
| 3463 | |
| 3464 | Standard_Boolean bIsNearBoundary = Standard_False; |
| 3465 | Standard_Integer aZoneIndex = 0; |
| 3466 | Standard_Integer bIsUBoundary = Standard_False; // use if nbboundaries == 1 |
| 3467 | Standard_Integer bIsFirstBoundary = Standard_False; // use if nbboundaries == 1 |
| 3468 | |
| 3469 | |
| 3470 | for(Standard_Integer parit = 0; parit < 2; parit++) { |
| 3471 | Standard_Boolean isperiodic = (parit == 0) ? aGASurface->IsUPeriodic() : aGASurface->IsVPeriodic(); |
| 3472 | |
| 3473 | Standard_Real aResolution = (parit == 0) ? aGASurface->UResolution(aTol) : aGASurface->VResolution(aTol); |
| 3474 | Standard_Real alowerboundary = (parit == 0) ? umin : vmin; |
| 3475 | Standard_Real aupperboundary = (parit == 0) ? umax : vmax; |
| 3476 | |
| 3477 | Standard_Real aParameter = (parit == 0) ? U : V; |
| 3478 | Standard_Boolean bIsOnFirstBoundary = Standard_True; |
| 3479 | |
| 3480 | if(!isperiodic) { |
| 3481 | bIsPointOnBoundary= |
| 3482 | IsPointOnBoundary(aParameter, alowerboundary, aupperboundary, aResolution, bIsOnFirstBoundary); |
| 3483 | if(bIsPointOnBoundary) { |
| 3484 | bIsUBoundary = (parit == 0); |
| 3485 | bIsFirstBoundary = bIsOnFirstBoundary; |
| 3486 | nbboundaries++; |
| 3487 | } |
| 3488 | } |
| 3489 | else { |
| 3490 | Standard_Real aPeriod = (parit == 0) ? aGASurface->UPeriod() : aGASurface->VPeriod(); |
| 3491 | Standard_Real anoffset = 0.; |
| 3492 | Standard_Real anAdjustPar = AdjustPeriodic(aParameter, alowerboundary, aupperboundary, aPeriod, anoffset); |
| 3493 | |
| 3494 | bIsPointOnBoundary= |
| 3495 | IsPointOnBoundary(anAdjustPar, alowerboundary, aupperboundary, aResolution, bIsOnFirstBoundary); |
| 3496 | if(bIsPointOnBoundary) { |
| 3497 | bIsUBoundary = (parit == 0); |
| 3498 | bIsFirstBoundary = bIsOnFirstBoundary; |
| 3499 | nbboundaries++; |
| 3500 | } |
| 3501 | else { |
| 3502 | //check neighbourhood of boundary |
| 3503 | Standard_Real anEpsilon = aResolution * 100.; |
| 3504 | Standard_Real aPart = ( aupperboundary - alowerboundary ) * 0.1; |
| 3505 | anEpsilon = ( anEpsilon > aPart ) ? aPart : anEpsilon; |
| 3506 | |
| 3507 | bIsNearBoundary = IsPointOnBoundary(anAdjustPar, alowerboundary, aupperboundary, |
| 3508 | anEpsilon, bIsOnFirstBoundary); |
| 3509 | |
| 3510 | } |
| 3511 | } |
| 3512 | } |
| 3513 | |
| 3514 | // check if a point belong to a tangent zone. Begin |
| 3515 | for ( Standard_Integer zIt = 1; zIt <= aNbZone; zIt++ ) { |
| 3516 | gp_Pnt2d aPZone = (surfit == 0) ? aTanZoneS1->Value(zIt) : aTanZoneS2->Value(zIt); |
| 3517 | Standard_Real aZoneRadius = aTanZoneRadius->Value(zIt); |
| 3518 | |
| 3519 | Standard_Integer aneighbourpointindex1 = (j == 0) ? aListOfIndex.First() : aListOfIndex.Last(); |
| 3520 | const IntSurf_PntOn2S& aNeighbourPoint = theWLine->Point(aneighbourpointindex1); |
| 3521 | Standard_Real nU1, nV1; |
| 3522 | |
| 3523 | if(surfit == 0) |
| 3524 | aNeighbourPoint.ParametersOnS1(nU1, nV1); |
| 3525 | else |
| 3526 | aNeighbourPoint.ParametersOnS2(nU1, nV1); |
| 3527 | gp_Pnt2d ap1(nU1, nV1); |
| 3528 | gp_Pnt2d ap2 = AdjustByNeighbour( ap1, gp_Pnt2d( U, V ), aGASurface ); |
| 3529 | |
| 3530 | |
| 3531 | if ( IsInsideTanZone( ap2, aPZone, aZoneRadius, aGASurface ) ) { |
| 3532 | aZoneIndex = zIt; |
| 3533 | bIsNearBoundary = Standard_True; |
| 3534 | if ( theReachedTol3d < aZoneRadius ) { |
| 3535 | theReachedTol3d = aZoneRadius; |
| 3536 | } |
| 3537 | } |
| 3538 | } |
| 3539 | // check if a point belong to a tangent zone. End |
| 3540 | Standard_Boolean bComputeLineEnd = Standard_False; |
| 3541 | |
| 3542 | if(nbboundaries == 2) { |
| 3543 | //xf |
| 3544 | bComputeLineEnd = Standard_True; |
| 3545 | //xt |
| 3546 | } |
| 3547 | else if(nbboundaries == 1) { |
| 3548 | Standard_Boolean isperiodic = (bIsUBoundary) ? aGASurface->IsUPeriodic() : aGASurface->IsVPeriodic(); |
| 3549 | |
| 3550 | if(isperiodic) { |
| 3551 | Standard_Real alowerboundary = (bIsUBoundary) ? umin : vmin; |
| 3552 | Standard_Real aupperboundary = (bIsUBoundary) ? umax : vmax; |
| 3553 | Standard_Real aPeriod = (bIsUBoundary) ? aGASurface->UPeriod() : aGASurface->VPeriod(); |
| 3554 | Standard_Real aParameter = (bIsUBoundary) ? U : V; |
| 3555 | Standard_Real anoffset = 0.; |
| 3556 | Standard_Real anAdjustPar = AdjustPeriodic(aParameter, alowerboundary, aupperboundary, aPeriod, anoffset); |
| 3557 | |
| 3558 | Standard_Real adist = (bIsFirstBoundary) ? fabs(anAdjustPar - alowerboundary) : fabs(anAdjustPar - aupperboundary); |
| 3559 | Standard_Real anotherPar = (bIsFirstBoundary) ? (aupperboundary - adist) : (alowerboundary + adist); |
| 3560 | anotherPar += anoffset; |
| 3561 | Standard_Integer aneighbourpointindex = (j == 0) ? aListOfIndex.First() : aListOfIndex.Last(); |
| 3562 | const IntSurf_PntOn2S& aNeighbourPoint = theWLine->Point(aneighbourpointindex); |
| 3563 | Standard_Real nU1, nV1; |
| 3564 | |
| 3565 | if(surfit == 0) |
| 3566 | aNeighbourPoint.ParametersOnS1(nU1, nV1); |
| 3567 | else |
| 3568 | aNeighbourPoint.ParametersOnS2(nU1, nV1); |
| 3569 | |
| 3570 | Standard_Real adist1 = (bIsUBoundary) ? fabs(nU1 - U) : fabs(nV1 - V); |
| 3571 | Standard_Real adist2 = (bIsUBoundary) ? fabs(nU1 - anotherPar) : fabs(nV1 - anotherPar); |
| 3572 | bComputeLineEnd = Standard_True; |
| 3573 | Standard_Boolean bCheckAngle1 = Standard_False; |
| 3574 | Standard_Boolean bCheckAngle2 = Standard_False; |
| 3575 | gp_Vec2d aNewVec; |
| 3576 | Standard_Real anewU = (bIsUBoundary) ? anotherPar : U; |
| 3577 | Standard_Real anewV = (bIsUBoundary) ? V : anotherPar; |
| 3578 | |
| 3579 | if(((adist1 - adist2) > Precision::PConfusion()) && |
| 3580 | (adist2 < (aPeriod / 4.))) { |
| 3581 | bCheckAngle1 = Standard_True; |
| 3582 | aNewVec = gp_Vec2d(gp_Pnt2d(nU1, nV1), gp_Pnt2d(anewU, anewV)); |
| 3583 | |
| 3584 | if(aNewVec.SquareMagnitude() < (gp::Resolution() * gp::Resolution())) { |
| 3585 | aNewP.SetValue((surfit == 0), anewU, anewV); |
| 3586 | bCheckAngle1 = Standard_False; |
| 3587 | } |
| 3588 | } |
| 3589 | else if(adist1 < (aPeriod / 4.)) { |
| 3590 | bCheckAngle2 = Standard_True; |
| 3591 | aNewVec = gp_Vec2d(gp_Pnt2d(nU1, nV1), gp_Pnt2d(U, V)); |
| 3592 | |
| 3593 | if(aNewVec.SquareMagnitude() < (gp::Resolution() * gp::Resolution())) { |
| 3594 | bCheckAngle2 = Standard_False; |
| 3595 | } |
| 3596 | } |
| 3597 | |
| 3598 | if(bCheckAngle1 || bCheckAngle2) { |
| 3599 | // assume there are at least two points in line (see "if" above) |
| 3600 | Standard_Integer anindexother = aneighbourpointindex; |
| 3601 | |
| 3602 | while((anindexother <= aListOfIndex.Last()) && (anindexother >= aListOfIndex.First())) { |
| 3603 | anindexother = (j == 0) ? (anindexother + 1) : (anindexother - 1); |
| 3604 | const IntSurf_PntOn2S& aPrevNeighbourPoint = theWLine->Point(anindexother); |
| 3605 | Standard_Real nU2, nV2; |
| 3606 | |
| 3607 | if(surfit == 0) |
| 3608 | aPrevNeighbourPoint.ParametersOnS1(nU2, nV2); |
| 3609 | else |
| 3610 | aPrevNeighbourPoint.ParametersOnS2(nU2, nV2); |
| 3611 | gp_Vec2d aVecOld(gp_Pnt2d(nU2, nV2), gp_Pnt2d(nU1, nV1)); |
| 3612 | |
| 3613 | if(aVecOld.SquareMagnitude() <= (gp::Resolution() * gp::Resolution())) { |
| 3614 | continue; |
| 3615 | } |
| 3616 | else { |
| 3617 | Standard_Real anAngle = aNewVec.Angle(aVecOld); |
| 3618 | |
| 3619 | if((fabs(anAngle) < (Standard_PI * 0.25)) && (aNewVec.Dot(aVecOld) > 0.)) { |
| 3620 | |
| 3621 | if(bCheckAngle1) { |
| 3622 | Standard_Real U1, U2, V1, V2; |
| 3623 | IntSurf_PntOn2S atmppoint = aNewP; |
| 3624 | atmppoint.SetValue((surfit == 0), anewU, anewV); |
| 3625 | atmppoint.Parameters(U1, V1, U2, V2); |
| 3626 | gp_Pnt P1 = theSurface1->Value(U1, V1); |
| 3627 | gp_Pnt P2 = theSurface2->Value(U2, V2); |
| 3628 | gp_Pnt P0 = aPoint.Value(); |
| 3629 | |
| 3630 | if(P0.IsEqual(P1, aTol) && |
| 3631 | P0.IsEqual(P2, aTol) && |
| 3632 | P1.IsEqual(P2, aTol)) { |
| 3633 | bComputeLineEnd = Standard_False; |
| 3634 | aNewP.SetValue((surfit == 0), anewU, anewV); |
| 3635 | } |
| 3636 | } |
| 3637 | |
| 3638 | if(bCheckAngle2) { |
| 3639 | bComputeLineEnd = Standard_False; |
| 3640 | } |
| 3641 | } |
| 3642 | break; |
| 3643 | } |
| 3644 | } // end while(anindexother...) |
| 3645 | } |
| 3646 | } |
| 3647 | } |
| 3648 | else if ( bIsNearBoundary ) { |
| 3649 | bComputeLineEnd = Standard_True; |
| 3650 | } |
| 3651 | |
| 3652 | if(bComputeLineEnd) { |
| 3653 | |
| 3654 | gp_Pnt2d anewpoint; |
| 3655 | Standard_Boolean found = Standard_False; |
| 3656 | |
| 3657 | if ( bIsNearBoundary ) { |
| 3658 | // re-compute point near natural boundary or near tangent zone |
| 3659 | Standard_Real u1, v1, u2, v2; |
| 3660 | aNewP.Parameters( u1, v1, u2, v2 ); |
| 3661 | if(surfit == 0) |
| 3662 | anewpoint = gp_Pnt2d( u1, v1 ); |
| 3663 | else |
| 3664 | anewpoint = gp_Pnt2d( u2, v2 ); |
| 3665 | |
| 3666 | Standard_Integer aneighbourpointindex1 = (j == 0) ? aListOfIndex.First() : aListOfIndex.Last(); |
| 3667 | const IntSurf_PntOn2S& aNeighbourPoint = theWLine->Point(aneighbourpointindex1); |
| 3668 | Standard_Real nU1, nV1; |
| 3669 | |
| 3670 | if(surfit == 0) |
| 3671 | aNeighbourPoint.ParametersOnS1(nU1, nV1); |
| 3672 | else |
| 3673 | aNeighbourPoint.ParametersOnS2(nU1, nV1); |
| 3674 | gp_Pnt2d ap1(nU1, nV1); |
| 3675 | gp_Pnt2d ap2; |
| 3676 | |
| 3677 | |
| 3678 | if ( aZoneIndex ) { |
| 3679 | // exclude point from a tangent zone |
| 3680 | anewpoint = AdjustByNeighbour( ap1, anewpoint, aGASurface ); |
| 3681 | gp_Pnt2d aPZone = (surfit == 0) ? aTanZoneS1->Value(aZoneIndex) : aTanZoneS2->Value(aZoneIndex); |
| 3682 | Standard_Real aZoneRadius = aTanZoneRadius->Value(aZoneIndex); |
| 3683 | |
| 3684 | if ( FindPoint(ap1, anewpoint, umin, umax, vmin, vmax, |
| 3685 | aPZone, aZoneRadius, aGASurface, ap2) ) { |
| 3686 | anewpoint = ap2; |
| 3687 | found = Standard_True; |
| 3688 | } |
| 3689 | } |
| 3690 | else if ( aGASurface->IsUPeriodic() || aGASurface->IsVPeriodic() ) { |
| 3691 | // re-compute point near boundary if shifted on a period |
| 3692 | ap2 = AdjustByNeighbour( ap1, anewpoint, aGASurface ); |
| 3693 | |
| 3694 | if ( ( ap2.X() < umin ) || ( ap2.X() > umax ) || |
| 3695 | ( ap2.Y() < vmin ) || ( ap2.Y() > vmax ) ) { |
| 3696 | found = FindPoint(ap1, ap2, umin, umax, vmin, vmax, anewpoint); |
| 3697 | } |
| 3698 | else { |
| 3699 | anewpoint = ap2; |
| 3700 | aNewP.SetValue( (surfit == 0), anewpoint.X(), anewpoint.Y() ); |
| 3701 | } |
| 3702 | } |
| 3703 | } |
| 3704 | else { |
| 3705 | |
| 3706 | Standard_Integer aneighbourpointindex1 = (j == 0) ? aListOfIndex.First() : aListOfIndex.Last(); |
| 3707 | const IntSurf_PntOn2S& aNeighbourPoint = theWLine->Point(aneighbourpointindex1); |
| 3708 | Standard_Real nU1, nV1; |
| 3709 | |
| 3710 | if(surfit == 0) |
| 3711 | aNeighbourPoint.ParametersOnS1(nU1, nV1); |
| 3712 | else |
| 3713 | aNeighbourPoint.ParametersOnS2(nU1, nV1); |
| 3714 | gp_Pnt2d ap1(nU1, nV1); |
| 3715 | gp_Pnt2d ap2(nU1, nV1); |
| 3716 | Standard_Integer aneighbourpointindex2 = aneighbourpointindex1; |
| 3717 | |
| 3718 | while((aneighbourpointindex2 <= aListOfIndex.Last()) && (aneighbourpointindex2 >= aListOfIndex.First())) { |
| 3719 | aneighbourpointindex2 = (j == 0) ? (aneighbourpointindex2 + 1) : (aneighbourpointindex2 - 1); |
| 3720 | const IntSurf_PntOn2S& aPrevNeighbourPoint = theWLine->Point(aneighbourpointindex2); |
| 3721 | Standard_Real nU2, nV2; |
| 3722 | |
| 3723 | if(surfit == 0) |
| 3724 | aPrevNeighbourPoint.ParametersOnS1(nU2, nV2); |
| 3725 | else |
| 3726 | aPrevNeighbourPoint.ParametersOnS2(nU2, nV2); |
| 3727 | ap2.SetX(nU2); |
| 3728 | ap2.SetY(nV2); |
| 3729 | |
| 3730 | if(ap1.SquareDistance(ap2) > (gp::Resolution() * gp::Resolution())) { |
| 3731 | break; |
| 3732 | } |
| 3733 | } |
| 3734 | found = FindPoint(ap2, ap1, umin, umax, vmin, vmax, anewpoint); |
| 3735 | } |
| 3736 | |
| 3737 | if(found) { |
| 3738 | // check point |
| 3739 | Standard_Real aCriteria = BRep_Tool::Tolerance(theFace1) + BRep_Tool::Tolerance(theFace2); |
| 3740 | GeomAPI_ProjectPointOnSurf& aProjector = (surfit == 0) ? aContext.ProjPS(theFace2) : aContext.ProjPS(theFace1); |
| 3741 | Handle(GeomAdaptor_HSurface) aSurface = (surfit == 0) ? theSurface1 : theSurface2; |
| 3742 | |
| 3743 | Handle(GeomAdaptor_HSurface) aSurfaceOther = (surfit == 0) ? theSurface2 : theSurface1; |
| 3744 | |
| 3745 | gp_Pnt aP3d = aSurface->Value(anewpoint.X(), anewpoint.Y()); |
| 3746 | aProjector.Perform(aP3d); |
| 3747 | |
| 3748 | if(aProjector.IsDone()) { |
| 3749 | if(aProjector.LowerDistance() < aCriteria) { |
| 3750 | Standard_Real foundU = U, foundV = V; |
| 3751 | aProjector.LowerDistanceParameters(foundU, foundV); |
| 3752 | |
| 3753 | //Correction of projected coordinates. Begin |
| 3754 | //Note, it may be shifted on a period |
| 3755 | Standard_Integer aneindex1 = (j == 0) ? aListOfIndex.First() : aListOfIndex.Last(); |
| 3756 | const IntSurf_PntOn2S& aNeighbourPoint = theWLine->Point(aneindex1); |
| 3757 | Standard_Real nUn, nVn; |
| 3758 | |
| 3759 | if(surfit == 0) |
| 3760 | aNeighbourPoint.ParametersOnS2(nUn, nVn); |
| 3761 | else |
| 3762 | aNeighbourPoint.ParametersOnS1(nUn, nVn); |
| 3763 | gp_Pnt2d aNeighbour2d(nUn, nVn); |
| 3764 | gp_Pnt2d anAdjustedPoint = AdjustByNeighbour( aNeighbour2d, gp_Pnt2d(foundU, foundV), aSurfaceOther ); |
| 3765 | foundU = anAdjustedPoint.X(); |
| 3766 | foundV = anAdjustedPoint.Y(); |
| 3767 | |
| 3768 | if ( ( anAdjustedPoint.X() < umin ) && ( anAdjustedPoint.X() > umax ) && |
| 3769 | ( anAdjustedPoint.Y() < vmin ) && ( anAdjustedPoint.Y() > vmax ) ) { |
| 3770 | // attempt to roughly re-compute point |
| 3771 | foundU = ( foundU < umin ) ? umin : foundU; |
| 3772 | foundU = ( foundU > umax ) ? umax : foundU; |
| 3773 | foundV = ( foundV < vmin ) ? vmin : foundV; |
| 3774 | foundV = ( foundV > vmax ) ? vmax : foundV; |
| 3775 | |
| 3776 | GeomAPI_ProjectPointOnSurf& aProjector2 = (surfit == 0) ? aContext.ProjPS(theFace1) : aContext.ProjPS(theFace2); |
| 3777 | |
| 3778 | aP3d = aSurfaceOther->Value(foundU, foundV); |
| 3779 | aProjector2.Perform(aP3d); |
| 3780 | |
| 3781 | if(aProjector2.IsDone()) { |
| 3782 | if(aProjector2.LowerDistance() < aCriteria) { |
| 3783 | Standard_Real foundU2 = anewpoint.X(), foundV2 = anewpoint.Y(); |
| 3784 | aProjector2.LowerDistanceParameters(foundU2, foundV2); |
| 3785 | anewpoint.SetX(foundU2); |
| 3786 | anewpoint.SetY(foundV2); |
| 3787 | } |
| 3788 | } |
| 3789 | } |
| 3790 | //Correction of projected coordinates. End |
| 3791 | |
| 3792 | if(surfit == 0) |
| 3793 | aNewP.SetValue(aP3d, anewpoint.X(), anewpoint.Y(), foundU, foundV); |
| 3794 | else |
| 3795 | aNewP.SetValue(aP3d, foundU, foundV, anewpoint.X(), anewpoint.Y()); |
| 3796 | } |
| 3797 | } |
| 3798 | } |
| 3799 | } |
| 3800 | } |
| 3801 | aSeqOfPntOn2S->Add(aNewP); |
| 3802 | aListOfFLIndex.Append(aSeqOfPntOn2S->NbPoints()); |
| 3803 | } |
| 3804 | anArrayOfLineEnds.SetValue(i, aListOfFLIndex); |
| 3805 | } |
| 3806 | // Correct wlines.end |
| 3807 | |
| 3808 | // Split wlines.begin |
| 3809 | Standard_Integer nbiter; |
| 3810 | // |
| 3811 | nbiter=1; |
| 3812 | if (!bAvoidLineConstructor) { |
| 3813 | nbiter=theLConstructor.NbParts(); |
| 3814 | } |
| 3815 | // |
| 3816 | for(j = 1; j <= nbiter; ++j) { |
| 3817 | Standard_Real fprm, lprm; |
| 3818 | Standard_Integer ifprm, ilprm; |
| 3819 | // |
| 3820 | if(bAvoidLineConstructor) { |
| 3821 | ifprm = 1; |
| 3822 | ilprm = theWLine->NbPnts(); |
| 3823 | } |
| 3824 | else { |
| 3825 | theLConstructor.Part(j, fprm, lprm); |
| 3826 | ifprm = (Standard_Integer)fprm; |
| 3827 | ilprm = (Standard_Integer)lprm; |
| 3828 | } |
| 3829 | |
| 3830 | Handle(IntSurf_LineOn2S) aLineOn2S = new IntSurf_LineOn2S(); |
| 3831 | // |
| 3832 | for(i = 1; i <= nblines; i++) { |
| 3833 | if(anArrayOfLineType.Value(i) != 0) { |
| 3834 | continue; |
| 3835 | } |
| 3836 | const TColStd_ListOfInteger& aListOfIndex = anArrayOfLines.Value(i); |
| 3837 | |
| 3838 | if(aListOfIndex.Extent() < 2) { |
| 3839 | continue; |
| 3840 | } |
| 3841 | const TColStd_ListOfInteger& aListOfFLIndex = anArrayOfLineEnds.Value(i); |
| 3842 | Standard_Boolean bhasfirstpoint = (aListOfFLIndex.Extent() == 2); |
| 3843 | Standard_Boolean bhaslastpoint = (aListOfFLIndex.Extent() == 2); |
| 3844 | |
| 3845 | if(!bhasfirstpoint && !aListOfFLIndex.IsEmpty()) { |
| 3846 | bhasfirstpoint = (i != 1); |
| 3847 | } |
| 3848 | |
| 3849 | if(!bhaslastpoint && !aListOfFLIndex.IsEmpty()) { |
| 3850 | bhaslastpoint = (i != nblines); |
| 3851 | } |
| 3852 | Standard_Boolean bIsFirstInside = ((ifprm >= aListOfIndex.First()) && (ifprm <= aListOfIndex.Last())); |
| 3853 | Standard_Boolean bIsLastInside = ((ilprm >= aListOfIndex.First()) && (ilprm <= aListOfIndex.Last())); |
| 3854 | |
| 3855 | if(!bIsFirstInside && !bIsLastInside) { |
| 3856 | if((ifprm < aListOfIndex.First()) && (ilprm > aListOfIndex.Last())) { |
| 3857 | // append whole line, and boundaries if neccesary |
| 3858 | if(bhasfirstpoint) { |
| 3859 | const IntSurf_PntOn2S& aP = aSeqOfPntOn2S->Value(aListOfFLIndex.First()); |
| 3860 | aLineOn2S->Add(aP); |
| 3861 | } |
| 3862 | TColStd_ListIteratorOfListOfInteger anIt(aListOfIndex); |
| 3863 | |
| 3864 | for(; anIt.More(); anIt.Next()) { |
| 3865 | const IntSurf_PntOn2S& aP = theWLine->Point(anIt.Value()); |
| 3866 | aLineOn2S->Add(aP); |
| 3867 | } |
| 3868 | |
| 3869 | if(bhaslastpoint) { |
| 3870 | const IntSurf_PntOn2S& aP = aSeqOfPntOn2S->Value(aListOfFLIndex.Last()); |
| 3871 | aLineOn2S->Add(aP); |
| 3872 | } |
| 3873 | |
| 3874 | // check end of split line (end is almost always) |
| 3875 | Standard_Integer aneighbour = i + 1; |
| 3876 | Standard_Boolean bIsEndOfLine = Standard_True; |
| 3877 | |
| 3878 | if(aneighbour <= nblines) { |
| 3879 | const TColStd_ListOfInteger& aListOfNeighbourIndex = anArrayOfLines.Value(aneighbour); |
| 3880 | |
| 3881 | if((anArrayOfLineType.Value(aneighbour) != 0) && |
| 3882 | (aListOfNeighbourIndex.IsEmpty())) { |
| 3883 | bIsEndOfLine = Standard_False; |
| 3884 | } |
| 3885 | } |
| 3886 | |
| 3887 | if(bIsEndOfLine) { |
| 3888 | if(aLineOn2S->NbPoints() > 1) { |
| 3889 | Handle(IntPatch_WLine) aNewWLine = |
| 3890 | new IntPatch_WLine(aLineOn2S, Standard_False); |
| 3891 | theNewLines.Append(aNewWLine); |
| 3892 | } |
| 3893 | aLineOn2S = new IntSurf_LineOn2S(); |
| 3894 | } |
| 3895 | } |
| 3896 | continue; |
| 3897 | } |
| 3898 | // end if(!bIsFirstInside && !bIsLastInside) |
| 3899 | |
| 3900 | if(bIsFirstInside && bIsLastInside) { |
| 3901 | // append inside points between ifprm and ilprm |
| 3902 | TColStd_ListIteratorOfListOfInteger anIt(aListOfIndex); |
| 3903 | |
| 3904 | for(; anIt.More(); anIt.Next()) { |
| 3905 | if((anIt.Value() < ifprm) || (anIt.Value() > ilprm)) |
| 3906 | continue; |
| 3907 | const IntSurf_PntOn2S& aP = theWLine->Point(anIt.Value()); |
| 3908 | aLineOn2S->Add(aP); |
| 3909 | } |
| 3910 | } |
| 3911 | else { |
| 3912 | |
| 3913 | if(bIsFirstInside) { |
| 3914 | // append points from ifprm to last point + boundary point |
| 3915 | TColStd_ListIteratorOfListOfInteger anIt(aListOfIndex); |
| 3916 | |
| 3917 | for(; anIt.More(); anIt.Next()) { |
| 3918 | if(anIt.Value() < ifprm) |
| 3919 | continue; |
| 3920 | const IntSurf_PntOn2S& aP = theWLine->Point(anIt.Value()); |
| 3921 | aLineOn2S->Add(aP); |
| 3922 | } |
| 3923 | |
| 3924 | if(bhaslastpoint) { |
| 3925 | const IntSurf_PntOn2S& aP = aSeqOfPntOn2S->Value(aListOfFLIndex.Last()); |
| 3926 | aLineOn2S->Add(aP); |
| 3927 | } |
| 3928 | // check end of split line (end is almost always) |
| 3929 | Standard_Integer aneighbour = i + 1; |
| 3930 | Standard_Boolean bIsEndOfLine = Standard_True; |
| 3931 | |
| 3932 | if(aneighbour <= nblines) { |
| 3933 | const TColStd_ListOfInteger& aListOfNeighbourIndex = anArrayOfLines.Value(aneighbour); |
| 3934 | |
| 3935 | if((anArrayOfLineType.Value(aneighbour) != 0) && |
| 3936 | (aListOfNeighbourIndex.IsEmpty())) { |
| 3937 | bIsEndOfLine = Standard_False; |
| 3938 | } |
| 3939 | } |
| 3940 | |
| 3941 | if(bIsEndOfLine) { |
| 3942 | if(aLineOn2S->NbPoints() > 1) { |
| 3943 | Handle(IntPatch_WLine) aNewWLine = |
| 3944 | new IntPatch_WLine(aLineOn2S, Standard_False); |
| 3945 | theNewLines.Append(aNewWLine); |
| 3946 | } |
| 3947 | aLineOn2S = new IntSurf_LineOn2S(); |
| 3948 | } |
| 3949 | } |
| 3950 | // end if(bIsFirstInside) |
| 3951 | |
| 3952 | if(bIsLastInside) { |
| 3953 | // append points from first boundary point to ilprm |
| 3954 | if(bhasfirstpoint) { |
| 3955 | const IntSurf_PntOn2S& aP = aSeqOfPntOn2S->Value(aListOfFLIndex.First()); |
| 3956 | aLineOn2S->Add(aP); |
| 3957 | } |
| 3958 | TColStd_ListIteratorOfListOfInteger anIt(aListOfIndex); |
| 3959 | |
| 3960 | for(; anIt.More(); anIt.Next()) { |
| 3961 | if(anIt.Value() > ilprm) |
| 3962 | continue; |
| 3963 | const IntSurf_PntOn2S& aP = theWLine->Point(anIt.Value()); |
| 3964 | aLineOn2S->Add(aP); |
| 3965 | } |
| 3966 | } |
| 3967 | //end if(bIsLastInside) |
| 3968 | } |
| 3969 | } |
| 3970 | |
| 3971 | if(aLineOn2S->NbPoints() > 1) { |
| 3972 | Handle(IntPatch_WLine) aNewWLine = |
| 3973 | new IntPatch_WLine(aLineOn2S, Standard_False); |
| 3974 | theNewLines.Append(aNewWLine); |
| 3975 | } |
| 3976 | } |
| 3977 | // Split wlines.end |
| 3978 | |
| 3979 | return Standard_True; |
| 3980 | } |
| 3981 | |
| 3982 | // ------------------------------------------------------------------------------------------------ |
| 3983 | // static function: ParameterOutOfBoundary |
| 3984 | // purpose: Computes a new parameter for given curve. The corresponding 2d points |
| 3985 | // does not lay on any boundary of given faces |
| 3986 | // ------------------------------------------------------------------------------------------------ |
| 3987 | Standard_Boolean ParameterOutOfBoundary(const Standard_Real theParameter, |
| 3988 | const Handle(Geom_Curve)& theCurve, |
| 3989 | const TopoDS_Face& theFace1, |
| 3990 | const TopoDS_Face& theFace2, |
| 3991 | const Standard_Real theOtherParameter, |
| 3992 | const Standard_Boolean bIncreasePar, |
| 3993 | Standard_Real& theNewParameter) { |
| 3994 | Standard_Boolean bIsComputed = Standard_False; |
| 3995 | theNewParameter = theParameter; |
| 3996 | |
| 3997 | IntTools_Context aContext; |
| 3998 | Standard_Real acurpar = theParameter; |
| 3999 | TopAbs_State aState = TopAbs_ON; |
| 4000 | Standard_Integer iter = 0; |
| 4001 | Standard_Real asumtol = BRep_Tool::Tolerance(theFace1) + BRep_Tool::Tolerance(theFace2); |
| 4002 | Standard_Real adelta = asumtol * 0.1; |
| 4003 | adelta = (adelta < Precision::Confusion()) ? Precision::Confusion() : adelta; |
| 4004 | Handle(Geom_Surface) aSurf1 = BRep_Tool::Surface(theFace1); |
| 4005 | Handle(Geom_Surface) aSurf2 = BRep_Tool::Surface(theFace2); |
| 4006 | |
| 4007 | Standard_Real u1, u2, v1, v2; |
| 4008 | |
| 4009 | GeomAPI_ProjectPointOnSurf aPrj1; |
| 4010 | aSurf1->Bounds(u1, u2, v1, v2); |
| 4011 | aPrj1.Init(aSurf1, u1, u2, v1, v2); |
| 4012 | |
| 4013 | GeomAPI_ProjectPointOnSurf aPrj2; |
| 4014 | aSurf2->Bounds(u1, u2, v1, v2); |
| 4015 | aPrj2.Init(aSurf2, u1, u2, v1, v2); |
| 4016 | |
| 4017 | while(aState == TopAbs_ON) { |
| 4018 | if(bIncreasePar) |
| 4019 | acurpar += adelta; |
| 4020 | else |
| 4021 | acurpar -= adelta; |
| 4022 | gp_Pnt aPCurrent = theCurve->Value(acurpar); |
| 4023 | aPrj1.Perform(aPCurrent); |
| 4024 | Standard_Real U=0., V=0.; |
| 4025 | |
| 4026 | if(aPrj1.IsDone()) { |
| 4027 | aPrj1.LowerDistanceParameters(U, V); |
| 4028 | aState = aContext.StatePointFace(theFace1, gp_Pnt2d(U, V)); |
| 4029 | } |
| 4030 | |
| 4031 | if(aState != TopAbs_ON) { |
| 4032 | aPrj2.Perform(aPCurrent); |
| 4033 | |
| 4034 | if(aPrj2.IsDone()) { |
| 4035 | aPrj2.LowerDistanceParameters(U, V); |
| 4036 | aState = aContext.StatePointFace(theFace2, gp_Pnt2d(U, V)); |
| 4037 | } |
| 4038 | } |
| 4039 | |
| 4040 | if(iter > 11) { |
| 4041 | break; |
| 4042 | } |
| 4043 | iter++; |
| 4044 | } |
| 4045 | |
| 4046 | if(iter <= 11) { |
| 4047 | theNewParameter = acurpar; |
| 4048 | bIsComputed = Standard_True; |
| 4049 | |
| 4050 | if(bIncreasePar) { |
| 4051 | if(acurpar >= theOtherParameter) |
| 4052 | theNewParameter = theOtherParameter; |
| 4053 | } |
| 4054 | else { |
| 4055 | if(acurpar <= theOtherParameter) |
| 4056 | theNewParameter = theOtherParameter; |
| 4057 | } |
| 4058 | } |
| 4059 | return bIsComputed; |
| 4060 | } |
| 4061 | |
| 4062 | //======================================================================= |
| 4063 | //function : IsCurveValid |
| 4064 | //purpose : |
| 4065 | //======================================================================= |
| 4066 | Standard_Boolean IsCurveValid(Handle(Geom2d_Curve)& thePCurve) |
| 4067 | { |
| 4068 | if(thePCurve.IsNull()) |
| 4069 | return Standard_False; |
| 4070 | |
| 4071 | Standard_Real tolint = 1.e-10; |
| 4072 | Geom2dAdaptor_Curve PCA; |
| 4073 | IntRes2d_Domain PCD; |
| 4074 | Geom2dInt_GInter PCI; |
| 4075 | |
| 4076 | Standard_Real pf = 0., pl = 0.; |
| 4077 | gp_Pnt2d pntf, pntl; |
| 4078 | |
| 4079 | if(!thePCurve->IsClosed() && !thePCurve->IsPeriodic()) { |
| 4080 | pf = thePCurve->FirstParameter(); |
| 4081 | pl = thePCurve->LastParameter(); |
| 4082 | pntf = thePCurve->Value(pf); |
| 4083 | pntl = thePCurve->Value(pl); |
| 4084 | PCA.Load(thePCurve); |
| 4085 | if(!PCA.IsPeriodic()) { |
| 4086 | if(PCA.FirstParameter() > pf) pf = PCA.FirstParameter(); |
| 4087 | if(PCA.LastParameter() < pl) pl = PCA.LastParameter(); |
| 4088 | } |
| 4089 | PCD.SetValues(pntf,pf,tolint,pntl,pl,tolint); |
| 4090 | PCI.Perform(PCA,PCD,tolint,tolint); |
| 4091 | if(PCI.IsDone()) |
| 4092 | if(PCI.NbPoints() > 0) { |
| 4093 | return Standard_False; |
| 4094 | } |
| 4095 | } |
| 4096 | |
| 4097 | return Standard_True; |
| 4098 | } |
| 4099 | |
| 4100 | //======================================================================= |
| 4101 | //static function : ApproxWithPCurves |
| 4102 | //purpose : for bug 20964 only |
| 4103 | //======================================================================= |
| 4104 | Standard_Boolean ApproxWithPCurves(const gp_Cylinder& theCyl, |
| 4105 | const gp_Sphere& theSph) |
| 4106 | { |
| 4107 | Standard_Boolean bRes = Standard_True; |
| 4108 | Standard_Real R1 = theCyl.Radius(), R2 = theSph.Radius(); |
| 4109 | |
| 4110 | if(R1 < 2.*R2) return bRes; |
| 4111 | |
| 4112 | gp_Lin anCylAx(theCyl.Axis()); |
| 4113 | |
| 4114 | Standard_Real aDist = anCylAx.Distance(theSph.Location()); |
| 4115 | Standard_Real aDRel = Abs(aDist - R1)/R2; |
| 4116 | |
| 4117 | if(aDRel > .2) return bRes; |
| 4118 | |
| 4119 | Standard_Real par = ElCLib::Parameter(anCylAx, theSph.Location()); |
| 4120 | gp_Pnt aP = ElCLib::Value(par, anCylAx); |
| 4121 | gp_Vec aV(aP, theSph.Location()); |
| 4122 | |
| 4123 | Standard_Real dd = aV.Dot(theSph.Position().XDirection()); |
| 4124 | |
| 4125 | if(aDist < R1 && dd > 0.) return Standard_False; |
| 4126 | if(aDist > R1 && dd < 0.) return Standard_False; |
| 4127 | |
| 4128 | |
| 4129 | return bRes; |
| 4130 | } |
| 4131 | //======================================================================= |
| 4132 | //function : PerformPlanes |
| 4133 | //purpose : |
| 4134 | //======================================================================= |
| 4135 | void PerformPlanes(const Handle(GeomAdaptor_HSurface)& theS1, |
| 4136 | const Handle(GeomAdaptor_HSurface)& theS2, |
| 4137 | const Standard_Real TolAng, |
| 4138 | const Standard_Real TolTang, |
| 4139 | const Standard_Boolean theApprox1, |
| 4140 | const Standard_Boolean theApprox2, |
| 4141 | IntTools_SequenceOfCurves& theSeqOfCurve, |
| 4142 | Standard_Boolean& theTangentFaces) |
| 4143 | { |
| 4144 | |
| 4145 | gp_Pln aPln1 = theS1->Surface().Plane(); |
| 4146 | gp_Pln aPln2 = theS2->Surface().Plane(); |
| 4147 | |
| 4148 | IntAna_QuadQuadGeo aPlnInter(aPln1, aPln2, TolAng, TolTang); |
| 4149 | |
| 4150 | if(!aPlnInter.IsDone()) { |
| 4151 | theTangentFaces = Standard_False; |
| 4152 | return; |
| 4153 | } |
| 4154 | |
| 4155 | IntAna_ResultType aResType = aPlnInter.TypeInter(); |
| 4156 | |
| 4157 | if(aResType == IntAna_Same) { |
| 4158 | theTangentFaces = Standard_True; |
| 4159 | return; |
| 4160 | } |
| 4161 | |
| 4162 | theTangentFaces = Standard_False; |
| 4163 | |
| 4164 | if(aResType == IntAna_Empty) { |
| 4165 | return; |
| 4166 | } |
| 4167 | |
| 4168 | gp_Lin aLin = aPlnInter.Line(1); |
| 4169 | |
| 4170 | ProjLib_Plane aProj; |
| 4171 | |
| 4172 | aProj.Init(aPln1); |
| 4173 | aProj.Project(aLin); |
| 4174 | gp_Lin2d aLin2d1 = aProj.Line(); |
| 4175 | // |
| 4176 | aProj.Init(aPln2); |
| 4177 | aProj.Project(aLin); |
| 4178 | gp_Lin2d aLin2d2 = aProj.Line(); |
| 4179 | // |
| 4180 | //classify line2d1 relatively first plane |
| 4181 | Standard_Real P11, P12; |
| 4182 | Standard_Boolean IsCrossed = ClassifyLin2d(theS1, aLin2d1, TolTang, P11, P12); |
| 4183 | if(!IsCrossed) return; |
| 4184 | //classify line2d2 relatively second plane |
| 4185 | Standard_Real P21, P22; |
| 4186 | IsCrossed = ClassifyLin2d(theS2, aLin2d2, TolTang, P21, P22); |
| 4187 | if(!IsCrossed) return; |
| 4188 | |
| 4189 | //Analysis of parametric intervals: must have common part |
| 4190 | |
| 4191 | if(P21 >= P12) return; |
| 4192 | if(P22 <= P11) return; |
| 4193 | |
| 4194 | Standard_Real pmin, pmax; |
| 4195 | pmin = Max(P11, P21); |
| 4196 | pmax = Min(P12, P22); |
| 4197 | |
| 4198 | if(pmax - pmin <= TolTang) return; |
| 4199 | |
| 4200 | Handle(Geom_Line) aGLin = new Geom_Line(aLin); |
| 4201 | |
| 4202 | IntTools_Curve aCurve; |
| 4203 | Handle(Geom_TrimmedCurve) aGTLin = new Geom_TrimmedCurve(aGLin, pmin, pmax); |
| 4204 | |
| 4205 | aCurve.SetCurve(aGTLin); |
| 4206 | |
| 4207 | if(theApprox1) { |
| 4208 | Handle(Geom2d_Line) C2d = new Geom2d_Line(aLin2d1); |
| 4209 | aCurve.SetFirstCurve2d(new Geom2d_TrimmedCurve(C2d, pmin, pmax)); |
| 4210 | } |
| 4211 | else { |
| 4212 | Handle(Geom2d_Curve) H1; |
| 4213 | aCurve.SetFirstCurve2d(H1); |
| 4214 | } |
| 4215 | if(theApprox2) { |
| 4216 | Handle(Geom2d_Line) C2d = new Geom2d_Line(aLin2d2); |
| 4217 | aCurve.SetSecondCurve2d(new Geom2d_TrimmedCurve(C2d, pmin, pmax)); |
| 4218 | } |
| 4219 | else { |
| 4220 | Handle(Geom2d_Curve) H1; |
| 4221 | aCurve.SetFirstCurve2d(H1); |
| 4222 | } |
| 4223 | |
| 4224 | theSeqOfCurve.Append(aCurve); |
| 4225 | |
| 4226 | } |
| 4227 | |
| 4228 | //======================================================================= |
| 4229 | //function : ClassifyLin2d |
| 4230 | //purpose : |
| 4231 | //======================================================================= |
| 4232 | static inline Standard_Boolean INTER(const Standard_Real d1, |
| 4233 | const Standard_Real d2, |
| 4234 | const Standard_Real tol) |
| 4235 | { |
| 4236 | return (d1 > tol && d2 < -tol) || |
| 4237 | (d1 < -tol && d2 > tol) || |
| 4238 | ((d1 <= tol && d1 >= -tol) && (d2 > tol || d2 < -tol)) || |
| 4239 | ((d2 <= tol && d2 >= -tol) && (d1 > tol || d1 < -tol)); |
| 4240 | } |
| 4241 | static inline Standard_Boolean COINC(const Standard_Real d1, |
| 4242 | const Standard_Real d2, |
| 4243 | const Standard_Real tol) |
| 4244 | { |
| 4245 | return (d1 <= tol && d1 >= -tol) && (d2 <= tol && d2 >= -tol); |
| 4246 | } |
| 4247 | Standard_Boolean ClassifyLin2d(const Handle(GeomAdaptor_HSurface)& theS, |
| 4248 | const gp_Lin2d& theLin2d, |
| 4249 | const Standard_Real theTol, |
| 4250 | Standard_Real& theP1, |
| 4251 | Standard_Real& theP2) |
| 4252 | |
| 4253 | { |
| 4254 | Standard_Real xmin, xmax, ymin, ymax, d1, d2, A, B, C; |
| 4255 | Standard_Real par[2]; |
| 4256 | Standard_Integer nbi = 0; |
| 4257 | |
| 4258 | xmin = theS->Surface().FirstUParameter(); |
| 4259 | xmax = theS->Surface().LastUParameter(); |
| 4260 | ymin = theS->Surface().FirstVParameter(); |
| 4261 | ymax = theS->Surface().LastVParameter(); |
| 4262 | |
| 4263 | theLin2d.Coefficients(A, B, C); |
| 4264 | |
| 4265 | //xmin, ymin <-> xmin, ymax |
| 4266 | d1 = A*xmin + B*ymin + C; |
| 4267 | d2 = A*xmin + B*ymax + C; |
| 4268 | |
| 4269 | if(INTER(d1, d2, theTol)) { |
| 4270 | //Intersection with boundary |
| 4271 | Standard_Real y = -(C + A*xmin)/B; |
| 4272 | par[nbi] = ElCLib::Parameter(theLin2d, gp_Pnt2d(xmin, y)); |
| 4273 | nbi++; |
| 4274 | } |
| 4275 | else if (COINC(d1, d2, theTol)) { |
| 4276 | //Coincidence with boundary |
| 4277 | par[0] = ElCLib::Parameter(theLin2d, gp_Pnt2d(xmin, ymin)); |
| 4278 | par[1] = ElCLib::Parameter(theLin2d, gp_Pnt2d(xmin, ymax)); |
| 4279 | nbi = 2; |
| 4280 | } |
| 4281 | |
| 4282 | if(nbi == 2) { |
| 4283 | |
| 4284 | if(fabs(par[0]-par[1]) > theTol) { |
| 4285 | theP1 = Min(par[0], par[1]); |
| 4286 | theP2 = Max(par[0], par[1]); |
| 4287 | return Standard_True; |
| 4288 | } |
| 4289 | else return Standard_False; |
| 4290 | |
| 4291 | } |
| 4292 | |
| 4293 | //xmin, ymax <-> xmax, ymax |
| 4294 | d1 = d2; |
| 4295 | d2 = A*xmax + B*ymax + C; |
| 4296 | |
| 4297 | if(d1 > theTol || d1 < -theTol) {//to avoid checking of |
| 4298 | //coincidence with the same point |
| 4299 | if(INTER(d1, d2, theTol)) { |
| 4300 | Standard_Real x = -(C + B*ymax)/A; |
| 4301 | par[nbi] = ElCLib::Parameter(theLin2d, gp_Pnt2d(x, ymax)); |
| 4302 | nbi++; |
| 4303 | } |
| 4304 | else if (COINC(d1, d2, theTol)) { |
| 4305 | par[0] = ElCLib::Parameter(theLin2d, gp_Pnt2d(xmin, ymax)); |
| 4306 | par[1] = ElCLib::Parameter(theLin2d, gp_Pnt2d(xmax, ymax)); |
| 4307 | nbi = 2; |
| 4308 | } |
| 4309 | } |
| 4310 | |
| 4311 | if(nbi == 2) { |
| 4312 | |
| 4313 | if(fabs(par[0]-par[1]) > theTol) { |
| 4314 | theP1 = Min(par[0], par[1]); |
| 4315 | theP2 = Max(par[0], par[1]); |
| 4316 | return Standard_True; |
| 4317 | } |
| 4318 | else return Standard_False; |
| 4319 | |
| 4320 | } |
| 4321 | |
| 4322 | //xmax, ymax <-> xmax, ymin |
| 4323 | d1 = d2; |
| 4324 | d2 = A*xmax + B*ymin + C; |
| 4325 | |
| 4326 | if(d1 > theTol || d1 < -theTol) { |
| 4327 | if(INTER(d1, d2, theTol)) { |
| 4328 | Standard_Real y = -(C + A*xmax)/B; |
| 4329 | par[nbi] = ElCLib::Parameter(theLin2d, gp_Pnt2d(xmax, y)); |
| 4330 | nbi++; |
| 4331 | } |
| 4332 | else if (COINC(d1, d2, theTol)) { |
| 4333 | par[0] = ElCLib::Parameter(theLin2d, gp_Pnt2d(xmax, ymax)); |
| 4334 | par[1] = ElCLib::Parameter(theLin2d, gp_Pnt2d(xmax, ymin)); |
| 4335 | nbi = 2; |
| 4336 | } |
| 4337 | } |
| 4338 | |
| 4339 | if(nbi == 2) { |
| 4340 | if(fabs(par[0]-par[1]) > theTol) { |
| 4341 | theP1 = Min(par[0], par[1]); |
| 4342 | theP2 = Max(par[0], par[1]); |
| 4343 | return Standard_True; |
| 4344 | } |
| 4345 | else return Standard_False; |
| 4346 | } |
| 4347 | |
| 4348 | //xmax, ymin <-> xmin, ymin |
| 4349 | d1 = d2; |
| 4350 | d2 = A*xmin + B*ymin + C; |
| 4351 | |
| 4352 | if(d1 > theTol || d1 < -theTol) { |
| 4353 | if(INTER(d1, d2, theTol)) { |
| 4354 | Standard_Real x = -(C + B*ymin)/A; |
| 4355 | par[nbi] = ElCLib::Parameter(theLin2d, gp_Pnt2d(x, ymin)); |
| 4356 | nbi++; |
| 4357 | } |
| 4358 | else if (COINC(d1, d2, theTol)) { |
| 4359 | par[0] = ElCLib::Parameter(theLin2d, gp_Pnt2d(xmax, ymin)); |
| 4360 | par[1] = ElCLib::Parameter(theLin2d, gp_Pnt2d(xmin, ymin)); |
| 4361 | nbi = 2; |
| 4362 | } |
| 4363 | } |
| 4364 | |
| 4365 | if(nbi == 2) { |
| 4366 | if(fabs(par[0]-par[1]) > theTol) { |
| 4367 | theP1 = Min(par[0], par[1]); |
| 4368 | theP2 = Max(par[0], par[1]); |
| 4369 | return Standard_True; |
| 4370 | } |
| 4371 | else return Standard_False; |
| 4372 | } |
| 4373 | |
| 4374 | return Standard_False; |
| 4375 | |
| 4376 | } |
| 4377 | // |
| 4378 | //======================================================================= |
| 4379 | //function : ApproxParameters |
| 4380 | //purpose : |
| 4381 | //======================================================================= |
| 4382 | void ApproxParameters(const Handle(GeomAdaptor_HSurface)& aHS1, |
| 4383 | const Handle(GeomAdaptor_HSurface)& aHS2, |
| 4384 | Standard_Integer& iDegMin, |
| 4385 | Standard_Integer& iDegMax) |
| 4386 | { |
| 4387 | GeomAbs_SurfaceType aTS1, aTS2; |
| 4388 | |
| 4389 | // |
| 4390 | iDegMin=4; |
| 4391 | iDegMax=8; |
| 4392 | // |
| 4393 | aTS1=aHS1->Surface().GetType(); |
| 4394 | aTS2=aHS2->Surface().GetType(); |
| 4395 | // |
| 4396 | // Cylinder/Torus |
| 4397 | if ((aTS1==GeomAbs_Cylinder && aTS2==GeomAbs_Torus) || |
| 4398 | (aTS2==GeomAbs_Cylinder && aTS1==GeomAbs_Torus)) { |
| 4399 | Standard_Real aRC, aRT, dR, aPC; |
| 4400 | gp_Cylinder aCylinder; |
| 4401 | gp_Torus aTorus; |
| 4402 | // |
| 4403 | aPC=Precision::Confusion(); |
| 4404 | // |
| 4405 | aCylinder=(aTS1==GeomAbs_Cylinder)? aHS1->Surface().Cylinder() : aHS2->Surface().Cylinder(); |
| 4406 | aTorus=(aTS1==GeomAbs_Torus)? aHS1->Surface().Torus() : aHS2->Surface().Torus(); |
| 4407 | // |
| 4408 | aRC=aCylinder.Radius(); |
| 4409 | aRT=aTorus.MinorRadius(); |
| 4410 | dR=aRC-aRT; |
| 4411 | if (dR<0.) { |
| 4412 | dR=-dR; |
| 4413 | } |
| 4414 | // |
| 4415 | if (dR<aPC) { |
| 4416 | iDegMax=6; |
| 4417 | } |
| 4418 | } |
| 4419 | } |
| 4420 | //======================================================================= |
| 4421 | //function : Tolerances |
| 4422 | //purpose : |
| 4423 | //======================================================================= |
| 4424 | void Tolerances(const Handle(GeomAdaptor_HSurface)& aHS1, |
| 4425 | const Handle(GeomAdaptor_HSurface)& aHS2, |
| 4426 | Standard_Real& ,//aTolArc, |
| 4427 | Standard_Real& aTolTang, |
| 4428 | Standard_Real& ,//aUVMaxStep, |
| 4429 | Standard_Real& )//aDeflection) |
| 4430 | { |
| 4431 | GeomAbs_SurfaceType aTS1, aTS2; |
| 4432 | // |
| 4433 | aTS1=aHS1->Surface().GetType(); |
| 4434 | aTS2=aHS2->Surface().GetType(); |
| 4435 | // |
| 4436 | // Cylinder/Torus |
| 4437 | if ((aTS1==GeomAbs_Cylinder && aTS2==GeomAbs_Torus) || |
| 4438 | (aTS2==GeomAbs_Cylinder && aTS1==GeomAbs_Torus)) { |
| 4439 | Standard_Real aRC, aRT, dR, aPC; |
| 4440 | gp_Cylinder aCylinder; |
| 4441 | gp_Torus aTorus; |
| 4442 | // |
| 4443 | aPC=Precision::Confusion(); |
| 4444 | // |
| 4445 | aCylinder=(aTS1==GeomAbs_Cylinder)? aHS1->Surface().Cylinder() : aHS2->Surface().Cylinder(); |
| 4446 | aTorus=(aTS1==GeomAbs_Torus)? aHS1->Surface().Torus() : aHS2->Surface().Torus(); |
| 4447 | // |
| 4448 | aRC=aCylinder.Radius(); |
| 4449 | aRT=aTorus.MinorRadius(); |
| 4450 | dR=aRC-aRT; |
| 4451 | if (dR<0.) { |
| 4452 | dR=-dR; |
| 4453 | } |
| 4454 | // |
| 4455 | if (dR<aPC) { |
| 4456 | aTolTang=0.1*aTolTang; |
| 4457 | } |
| 4458 | } |
| 4459 | } |
| 4460 | //======================================================================= |
| 4461 | //function : SortTypes |
| 4462 | //purpose : |
| 4463 | //======================================================================= |
| 4464 | Standard_Boolean SortTypes(const GeomAbs_SurfaceType aType1, |
| 4465 | const GeomAbs_SurfaceType aType2) |
| 4466 | { |
| 4467 | Standard_Boolean bRet; |
| 4468 | Standard_Integer aI1, aI2; |
| 4469 | // |
| 4470 | bRet=Standard_False; |
| 4471 | // |
| 4472 | aI1=IndexType(aType1); |
| 4473 | aI2=IndexType(aType2); |
| 4474 | if (aI1<aI2){ |
| 4475 | bRet=!bRet; |
| 4476 | } |
| 4477 | return bRet; |
| 4478 | } |
| 4479 | //======================================================================= |
| 4480 | //function : IndexType |
| 4481 | //purpose : |
| 4482 | //======================================================================= |
| 4483 | Standard_Integer IndexType(const GeomAbs_SurfaceType aType) |
| 4484 | { |
| 4485 | Standard_Integer aIndex; |
| 4486 | // |
| 4487 | aIndex=11; |
| 4488 | // |
| 4489 | if (aType==GeomAbs_Plane) { |
| 4490 | aIndex=0; |
| 4491 | } |
| 4492 | else if (aType==GeomAbs_Cylinder) { |
| 4493 | aIndex=1; |
| 4494 | } |
| 4495 | else if (aType==GeomAbs_Cone) { |
| 4496 | aIndex=2; |
| 4497 | } |
| 4498 | else if (aType==GeomAbs_Sphere) { |
| 4499 | aIndex=3; |
| 4500 | } |
| 4501 | else if (aType==GeomAbs_Torus) { |
| 4502 | aIndex=4; |
| 4503 | } |
| 4504 | else if (aType==GeomAbs_BezierSurface) { |
| 4505 | aIndex=5; |
| 4506 | } |
| 4507 | else if (aType==GeomAbs_BSplineSurface) { |
| 4508 | aIndex=6; |
| 4509 | } |
| 4510 | else if (aType==GeomAbs_SurfaceOfRevolution) { |
| 4511 | aIndex=7; |
| 4512 | } |
| 4513 | else if (aType==GeomAbs_SurfaceOfExtrusion) { |
| 4514 | aIndex=8; |
| 4515 | } |
| 4516 | else if (aType==GeomAbs_OffsetSurface) { |
| 4517 | aIndex=9; |
| 4518 | } |
| 4519 | else if (aType==GeomAbs_OtherSurface) { |
| 4520 | aIndex=10; |
| 4521 | } |
| 4522 | return aIndex; |
| 4523 | } |