| 1 | // Created by: Modelization |
| 2 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
| 3 | // |
| 4 | // This file is part of Open CASCADE Technology software library. |
| 5 | // |
| 6 | // This library is free software; you can redistribute it and / or modify it |
| 7 | // under the terms of the GNU Lesser General Public version 2.1 as published |
| 8 | // by the Free Software Foundation, with special exception defined in the file |
| 9 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
| 10 | // distribution for complete text of the license and disclaimer of any warranty. |
| 11 | // |
| 12 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 13 | // commercial license or contractual agreement. |
| 14 | |
| 15 | #include <IntPatch_Intersection.ixx> |
| 16 | |
| 17 | #include <IntPatch_ALineToWLine.hxx> |
| 18 | #include <IntPatch_GLine.hxx> |
| 19 | #include <IntPatch_ALine.hxx> |
| 20 | #include <IntPatch_WLine.hxx> |
| 21 | #include <IntPatch_RLine.hxx> |
| 22 | #include <IntPatch_PrmPrmIntersection.hxx> |
| 23 | #include <IntPatch_ImpPrmIntersection.hxx> |
| 24 | #include <IntPatch_ImpImpIntersection.hxx> |
| 25 | #include <IntSurf_Quadric.hxx> |
| 26 | |
| 27 | #include <stdio.h> |
| 28 | |
| 29 | #define DEBUG 0 |
| 30 | static const Standard_Integer aNbPointsInALine = 200; |
| 31 | |
| 32 | //====================================================================== |
| 33 | // function: SequenceOfLine |
| 34 | //====================================================================== |
| 35 | const IntPatch_SequenceOfLine& IntPatch_Intersection::SequenceOfLine() const { return(slin); } |
| 36 | |
| 37 | //====================================================================== |
| 38 | // function: IntPatch_Intersection |
| 39 | //====================================================================== |
| 40 | IntPatch_Intersection::IntPatch_Intersection () |
| 41 | : done(Standard_False), |
| 42 | //empt, tgte, oppo, |
| 43 | myTolArc(0.0), myTolTang(0.0), |
| 44 | myUVMaxStep(0.0), myFleche(0.0), |
| 45 | myIsStartPnt(Standard_False) |
| 46 | //myU1Start, myV1Start, myU2Start, myV2Start |
| 47 | { |
| 48 | } |
| 49 | |
| 50 | //====================================================================== |
| 51 | // function: IntPatch_Intersection |
| 52 | //====================================================================== |
| 53 | IntPatch_Intersection::IntPatch_Intersection(const Handle(Adaptor3d_HSurface)& S1, |
| 54 | const Handle(Adaptor3d_TopolTool)& D1, |
| 55 | const Handle(Adaptor3d_HSurface)& S2, |
| 56 | const Handle(Adaptor3d_TopolTool)& D2, |
| 57 | const Standard_Real TolArc, |
| 58 | const Standard_Real TolTang) |
| 59 | : done(Standard_False), |
| 60 | //empt, tgte, oppo, |
| 61 | myTolArc(TolArc), myTolTang(TolTang), |
| 62 | myUVMaxStep(0.0), myFleche(0.0), |
| 63 | myIsStartPnt(Standard_False) |
| 64 | //myU1Start, myV1Start, myU2Start, myV2Start |
| 65 | { |
| 66 | if(myTolArc<1e-8) myTolArc=1e-8; |
| 67 | if(myTolTang<1e-8) myTolTang=1e-8; |
| 68 | if(myTolArc>0.5) myTolArc=0.5; |
| 69 | if(myTolTang>0.5) myTolTang=0.5; |
| 70 | Perform(S1,D1,S2,D2,TolArc,TolTang); |
| 71 | } |
| 72 | |
| 73 | //====================================================================== |
| 74 | // function: IntPatch_Intersection |
| 75 | //====================================================================== |
| 76 | IntPatch_Intersection::IntPatch_Intersection(const Handle(Adaptor3d_HSurface)& S1, |
| 77 | const Handle(Adaptor3d_TopolTool)& D1, |
| 78 | const Standard_Real TolArc, |
| 79 | const Standard_Real TolTang) |
| 80 | : done(Standard_False), |
| 81 | //empt, tgte, oppo, |
| 82 | myTolArc(TolArc), myTolTang(TolTang), |
| 83 | myUVMaxStep(0.0), myFleche(0.0), |
| 84 | myIsStartPnt(Standard_False) |
| 85 | //myU1Start, myV1Start, myU2Start, myV2Start |
| 86 | { |
| 87 | Perform(S1,D1,TolArc,TolTang); |
| 88 | } |
| 89 | |
| 90 | //====================================================================== |
| 91 | // function: SetTolerances |
| 92 | //====================================================================== |
| 93 | void IntPatch_Intersection::SetTolerances(const Standard_Real TolArc, |
| 94 | const Standard_Real TolTang, |
| 95 | const Standard_Real UVMaxStep, |
| 96 | const Standard_Real Fleche) |
| 97 | { |
| 98 | myTolArc = TolArc; |
| 99 | myTolTang = TolTang; |
| 100 | myUVMaxStep = UVMaxStep; |
| 101 | myFleche = Fleche; |
| 102 | if(myTolArc<1e-8) myTolArc=1e-8; |
| 103 | if(myTolTang<1e-8) myTolTang=1e-8; |
| 104 | if(myTolArc>0.5) myTolArc=0.5; |
| 105 | if(myTolTang>0.5) myTolTang=0.5; |
| 106 | if(myFleche<1.0e-3) myFleche=1e-3; |
| 107 | if(myUVMaxStep<1.0e-3) myUVMaxStep=1e-3; |
| 108 | if(myFleche>10) myFleche=10; |
| 109 | if(myUVMaxStep>0.5) myUVMaxStep=0.5; |
| 110 | } |
| 111 | |
| 112 | //====================================================================== |
| 113 | // function: Perform |
| 114 | //====================================================================== |
| 115 | void IntPatch_Intersection::Perform(const Handle(Adaptor3d_HSurface)& S1, |
| 116 | const Handle(Adaptor3d_TopolTool)& D1, |
| 117 | const Standard_Real TolArc, |
| 118 | const Standard_Real TolTang) |
| 119 | { |
| 120 | myTolArc = TolArc; |
| 121 | myTolTang = TolTang; |
| 122 | if(myFleche == 0.0) myFleche = 0.01; |
| 123 | if(myUVMaxStep==0.0) myUVMaxStep = 0.01; |
| 124 | |
| 125 | done = Standard_True; |
| 126 | spnt.Clear(); |
| 127 | slin.Clear(); |
| 128 | |
| 129 | empt = Standard_True; |
| 130 | tgte = Standard_False; |
| 131 | oppo = Standard_False; |
| 132 | |
| 133 | switch (S1->GetType()) |
| 134 | { |
| 135 | case GeomAbs_Plane: |
| 136 | case GeomAbs_Cylinder: |
| 137 | case GeomAbs_Sphere: |
| 138 | case GeomAbs_Cone: |
| 139 | case GeomAbs_Torus: break; |
| 140 | default: |
| 141 | { |
| 142 | IntPatch_PrmPrmIntersection interpp; |
| 143 | interpp.Perform(S1,D1,TolArc,TolTang,myFleche,myUVMaxStep); |
| 144 | if (interpp.IsDone()) |
| 145 | { |
| 146 | done = Standard_True; |
| 147 | tgte = Standard_False; |
| 148 | empt = interpp.IsEmpty(); |
| 149 | const Standard_Integer nblm = interpp.NbLines(); |
| 150 | for (Standard_Integer i=1; i<=nblm; i++) slin.Append(interpp.Line(i)); |
| 151 | } |
| 152 | } |
| 153 | break; |
| 154 | } |
| 155 | } |
| 156 | |
| 157 | ///////////////////////////////////////////////////////////////////////////// |
| 158 | // These several support functions provide methods which can help basic // |
| 159 | // algorithm to intersect infinite surfaces of the following types: // |
| 160 | // // |
| 161 | // a.) SurfaceOfExtrusion; // |
| 162 | // b.) SurfaceOfRevolution; // |
| 163 | // c.) OffsetSurface. // |
| 164 | // // |
| 165 | ///////////////////////////////////////////////////////////////////////////// |
| 166 | #include <TColgp_Array1OfXYZ.hxx> |
| 167 | #include <TColgp_Array1OfPnt.hxx> |
| 168 | #include <TColgp_SequenceOfPnt.hxx> |
| 169 | #include <Extrema_ExtPS.hxx> |
| 170 | #include <Extrema_POnSurf.hxx> |
| 171 | #include <Geom2d_Curve.hxx> |
| 172 | #include <Geom2dAPI_InterCurveCurve.hxx> |
| 173 | #include <GeomAdaptor.hxx> |
| 174 | #include <GeomAdaptor_HCurve.hxx> |
| 175 | #include <GeomAdaptor_Curve.hxx> |
| 176 | #include <GeomAdaptor_Surface.hxx> |
| 177 | #include <Handle_GeomAdaptor_HSurface.hxx> |
| 178 | #include <Geom_Plane.hxx> |
| 179 | #include <ProjLib_ProjectOnPlane.hxx> |
| 180 | #include <GeomProjLib.hxx> |
| 181 | #include <ElCLib.hxx> |
| 182 | #include <Geom_TrimmedCurve.hxx> |
| 183 | #include <Geom_Surface.hxx> |
| 184 | #include <Geom_SurfaceOfLinearExtrusion.hxx> |
| 185 | #include <Geom_OffsetSurface.hxx> |
| 186 | #include <Geom_SurfaceOfRevolution.hxx> |
| 187 | #include <Geom_RectangularTrimmedSurface.hxx> |
| 188 | |
| 189 | //=============================================================== |
| 190 | //function: FUN_GetMinMaxXYZPnt |
| 191 | //=============================================================== |
| 192 | static void FUN_GetMinMaxXYZPnt( const Handle(Adaptor3d_HSurface)& S, |
| 193 | gp_Pnt& pMin, gp_Pnt& pMax ) |
| 194 | { |
| 195 | const Standard_Real DU = 0.25 * Abs(S->LastUParameter() - S->FirstUParameter()); |
| 196 | const Standard_Real DV = 0.25 * Abs(S->LastVParameter() - S->FirstVParameter()); |
| 197 | Standard_Real tMinXYZ = RealLast(); |
| 198 | Standard_Real tMaxXYZ = -tMinXYZ; |
| 199 | gp_Pnt PUV, ptMax, ptMin; |
| 200 | for(Standard_Real U = S->FirstUParameter(); U <= S->LastUParameter(); U += DU) |
| 201 | { |
| 202 | for(Standard_Real V = S->FirstVParameter(); V <= S->LastVParameter(); V += DV) |
| 203 | { |
| 204 | S->D0(U,V,PUV); |
| 205 | const Standard_Real cXYZ = PUV.XYZ().Modulus(); |
| 206 | if(cXYZ > tMaxXYZ) { tMaxXYZ = cXYZ; ptMax = PUV; } |
| 207 | if(cXYZ < tMinXYZ) { tMinXYZ = cXYZ; ptMin = PUV; } |
| 208 | } |
| 209 | } |
| 210 | pMin = ptMin; |
| 211 | pMax = ptMax; |
| 212 | } |
| 213 | //========================================================================== |
| 214 | //function: FUN_TrimInfSurf |
| 215 | //========================================================================== |
| 216 | static void FUN_TrimInfSurf(const gp_Pnt& Pmin, |
| 217 | const gp_Pnt& Pmax, |
| 218 | const Handle(Adaptor3d_HSurface)& InfSurf, |
| 219 | const Standard_Real& AlternativeTrimPrm, |
| 220 | Handle(Adaptor3d_HSurface)& TrimS) |
| 221 | { |
| 222 | Standard_Real TP = AlternativeTrimPrm; |
| 223 | Extrema_ExtPS ext1(Pmin, InfSurf->Surface(), 1.e-7, 1.e-7); |
| 224 | Extrema_ExtPS ext2(Pmax, InfSurf->Surface(), 1.e-7, 1.e-7); |
| 225 | if(ext1.IsDone() || ext2.IsDone()) |
| 226 | { |
| 227 | Standard_Real Umax = -1.e+100, Umin = 1.e+100, Vmax = -1.e+100, Vmin = 1.e+100, cU, cV; |
| 228 | if(ext1.IsDone()) |
| 229 | { |
| 230 | for(Standard_Integer i = 1; i <= ext1.NbExt(); i++) |
| 231 | { |
| 232 | const Extrema_POnSurf & pons = ext1.Point(i); |
| 233 | pons.Parameter(cU,cV); |
| 234 | if(cU > Umax) Umax = cU; |
| 235 | if(cU < Umin) Umin = cU; |
| 236 | if(cV > Vmax) Vmax = cV; |
| 237 | if(cV < Vmin) Vmin = cV; |
| 238 | } |
| 239 | } |
| 240 | if(ext2.IsDone()) |
| 241 | { |
| 242 | for(Standard_Integer i = 1; i <= ext2.NbExt(); i++) |
| 243 | { |
| 244 | const Extrema_POnSurf & pons = ext2.Point(i); |
| 245 | pons.Parameter(cU,cV); |
| 246 | if(cU > Umax) Umax = cU; |
| 247 | if(cU < Umin) Umin = cU; |
| 248 | if(cV > Vmax) Vmax = cV; |
| 249 | if(cV < Vmin) Vmin = cV; |
| 250 | } |
| 251 | } |
| 252 | TP = Max(Abs(Umin),Max(Abs(Umax),Max(Abs(Vmin),Abs(Vmax)))); |
| 253 | } |
| 254 | if(TP == 0.) { TrimS = InfSurf; return; } |
| 255 | else |
| 256 | { |
| 257 | const Standard_Boolean Uinf = Precision::IsNegativeInfinite(InfSurf->FirstUParameter()); |
| 258 | const Standard_Boolean Usup = Precision::IsPositiveInfinite(InfSurf->LastUParameter()); |
| 259 | const Standard_Boolean Vinf = Precision::IsNegativeInfinite(InfSurf->FirstVParameter()); |
| 260 | const Standard_Boolean Vsup = Precision::IsPositiveInfinite(InfSurf->LastVParameter()); |
| 261 | Handle(Adaptor3d_HSurface) TmpSS; |
| 262 | Standard_Integer IsTrimed = 0; |
| 263 | const Standard_Real tp = 1000.0 * TP; |
| 264 | if(Vinf && Vsup) { TrimS = InfSurf->VTrim(-tp, tp, 1.0e-7); IsTrimed = 1; } |
| 265 | if(Vinf && !Vsup){ TrimS = InfSurf->VTrim(-tp, InfSurf->LastVParameter(), 1.0e-7); IsTrimed = 1; } |
| 266 | if(!Vinf && Vsup){ TrimS = InfSurf->VTrim(InfSurf->FirstVParameter(), tp, 1.0e-7); IsTrimed = 1; } |
| 267 | if(IsTrimed) |
| 268 | { |
| 269 | TmpSS = TrimS; |
| 270 | if(Uinf && Usup) TrimS = TmpSS->UTrim(-tp, tp, 1.0e-7); |
| 271 | if(Uinf && !Usup) TrimS = TmpSS->UTrim(-tp, InfSurf->LastUParameter(), 1.0e-7); |
| 272 | if(!Uinf && Usup) TrimS = TmpSS->UTrim(InfSurf->FirstUParameter(), tp, 1.0e-7); |
| 273 | } |
| 274 | else |
| 275 | { |
| 276 | if(Uinf && Usup) TrimS = InfSurf->UTrim(-tp, tp, 1.0e-7); |
| 277 | if(Uinf && !Usup) TrimS = InfSurf->UTrim(-tp, InfSurf->LastUParameter(), 1.0e-7); |
| 278 | if(!Uinf && Usup) TrimS = InfSurf->UTrim(InfSurf->FirstUParameter(), tp, 1.0e-7); |
| 279 | } |
| 280 | } |
| 281 | } |
| 282 | //================================================================================ |
| 283 | //function: FUN_GetUiso |
| 284 | //================================================================================ |
| 285 | static void FUN_GetUiso(const Handle(Geom_Surface)& GS, |
| 286 | const GeomAbs_SurfaceType& T, |
| 287 | const Standard_Real& FirstV, |
| 288 | const Standard_Real& LastV, |
| 289 | const Standard_Boolean& IsVC, |
| 290 | const Standard_Boolean& IsVP, |
| 291 | const Standard_Real& U, |
| 292 | Handle(Geom_Curve)& I) |
| 293 | { |
| 294 | if(T != GeomAbs_OffsetSurface) |
| 295 | { |
| 296 | Handle(Geom_Curve) gc = GS->UIso(U); |
| 297 | if(IsVP && (FirstV == 0.0 && LastV == (2.*M_PI))) I = gc; |
| 298 | else |
| 299 | { |
| 300 | Handle(Geom_TrimmedCurve) gtc = new Geom_TrimmedCurve(gc,FirstV,LastV); |
| 301 | //szv:I = Handle(Geom_Curve)::DownCast(gtc); |
| 302 | I = gtc; |
| 303 | } |
| 304 | } |
| 305 | else//OffsetSurface |
| 306 | { |
| 307 | const Handle(Geom_OffsetSurface) gos = *(Handle_Geom_OffsetSurface*)&GS; |
| 308 | const Handle(Geom_Surface) bs = gos->BasisSurface(); |
| 309 | Handle(Geom_Curve) gcbs = bs->UIso(U); |
| 310 | GeomAdaptor_Curve gac(gcbs); |
| 311 | const GeomAbs_CurveType GACT = gac.GetType(); |
| 312 | if(IsVP || IsVC || GACT == GeomAbs_BSplineCurve || GACT == GeomAbs_BezierCurve || Abs(LastV - FirstV) < 1.e+5) |
| 313 | { |
| 314 | Handle(Geom_Curve) gc = gos->UIso(U); |
| 315 | if(IsVP && (FirstV == 0.0 && LastV == (2*M_PI))) I = gc; |
| 316 | else |
| 317 | { |
| 318 | Handle(Geom_TrimmedCurve) gtc = new Geom_TrimmedCurve(gc,FirstV,LastV); |
| 319 | //szv:I = Handle(Geom_Curve)::DownCast(gtc); |
| 320 | I = gtc; |
| 321 | } |
| 322 | } |
| 323 | else//Offset Line, Parab, Hyperb |
| 324 | { |
| 325 | Standard_Real VmTr, VMTr; |
| 326 | if(GACT != GeomAbs_Hyperbola) |
| 327 | { |
| 328 | if(FirstV >= 0. && LastV >= 0.){ VmTr = FirstV; VMTr = ((LastV - FirstV) > 1.e+4) ? (FirstV + 1.e+4) : LastV; } |
| 329 | else if(FirstV < 0. && LastV < 0.){ VMTr = LastV; VmTr = ((FirstV - LastV) < -1.e+4) ? (LastV - 1.e+4) : FirstV; } |
| 330 | else { VmTr = (FirstV < -1.e+4) ? -1.e+4 : FirstV; VMTr = (LastV > 1.e+4) ? 1.e+4 : LastV; } |
| 331 | } |
| 332 | else//Hyperbola |
| 333 | { |
| 334 | if(FirstV >= 0. && LastV >= 0.) |
| 335 | { |
| 336 | if(FirstV > 4.) return; |
| 337 | VmTr = FirstV; VMTr = (LastV > 4.) ? 4. : LastV; |
| 338 | } |
| 339 | else if(FirstV < 0. && LastV < 0.) |
| 340 | { |
| 341 | if(LastV < -4.) return; |
| 342 | VMTr = LastV; VmTr = (FirstV < -4.) ? -4. : FirstV; |
| 343 | } |
| 344 | else { VmTr = (FirstV < -4.) ? -4. : FirstV; VMTr = (LastV > 4.) ? 4. : LastV; } |
| 345 | } |
| 346 | //Make trimmed surface |
| 347 | Handle(Geom_RectangularTrimmedSurface) rts = new Geom_RectangularTrimmedSurface(gos,VmTr,VMTr,Standard_True); |
| 348 | I = rts->UIso(U); |
| 349 | } |
| 350 | } |
| 351 | } |
| 352 | //================================================================================ |
| 353 | //function: FUN_GetViso |
| 354 | //================================================================================ |
| 355 | static void FUN_GetViso(const Handle(Geom_Surface)& GS, |
| 356 | const GeomAbs_SurfaceType& T, |
| 357 | const Standard_Real& FirstU, |
| 358 | const Standard_Real& LastU, |
| 359 | const Standard_Boolean& IsUC, |
| 360 | const Standard_Boolean& IsUP, |
| 361 | const Standard_Real& V, |
| 362 | Handle(Geom_Curve)& I) |
| 363 | { |
| 364 | if(T != GeomAbs_OffsetSurface) |
| 365 | { |
| 366 | Handle(Geom_Curve) gc = GS->VIso(V); |
| 367 | if(IsUP && (FirstU == 0.0 && LastU == (2*M_PI))) I = gc; |
| 368 | else |
| 369 | { |
| 370 | Handle(Geom_TrimmedCurve) gtc = new Geom_TrimmedCurve(gc,FirstU,LastU); |
| 371 | //szv:I = Handle(Geom_Curve)::DownCast(gtc); |
| 372 | I = gtc; |
| 373 | } |
| 374 | } |
| 375 | else//OffsetSurface |
| 376 | { |
| 377 | const Handle(Geom_OffsetSurface) gos = *(Handle_Geom_OffsetSurface*)&GS; |
| 378 | const Handle(Geom_Surface) bs = gos->BasisSurface(); |
| 379 | Handle(Geom_Curve) gcbs = bs->VIso(V); |
| 380 | GeomAdaptor_Curve gac(gcbs); |
| 381 | const GeomAbs_CurveType GACT = gac.GetType(); |
| 382 | if(IsUP || IsUC || GACT == GeomAbs_BSplineCurve || GACT == GeomAbs_BezierCurve || Abs(LastU - FirstU) < 1.e+5) |
| 383 | { |
| 384 | Handle(Geom_Curve) gc = gos->VIso(V); |
| 385 | if(IsUP && (FirstU == 0.0 && LastU == (2*M_PI))) I = gc; |
| 386 | else |
| 387 | { |
| 388 | Handle(Geom_TrimmedCurve) gtc = new Geom_TrimmedCurve(gc,FirstU,LastU); |
| 389 | //szv:I = Handle(Geom_Curve)::DownCast(gtc); |
| 390 | I = gtc; |
| 391 | } |
| 392 | } |
| 393 | else//Offset Line, Parab, Hyperb |
| 394 | { |
| 395 | Standard_Real UmTr, UMTr; |
| 396 | if(GACT != GeomAbs_Hyperbola) |
| 397 | { |
| 398 | if(FirstU >= 0. && LastU >= 0.){ UmTr = FirstU; UMTr = ((LastU - FirstU) > 1.e+4) ? (FirstU + 1.e+4) : LastU; } |
| 399 | else if(FirstU < 0. && LastU < 0.){ UMTr = LastU; UmTr = ((FirstU - LastU) < -1.e+4) ? (LastU - 1.e+4) : FirstU; } |
| 400 | else { UmTr = (FirstU < -1.e+4) ? -1.e+4 : FirstU; UMTr = (LastU > 1.e+4) ? 1.e+4 : LastU; } |
| 401 | } |
| 402 | else//Hyperbola |
| 403 | { |
| 404 | if(FirstU >= 0. && LastU >= 0.) |
| 405 | { |
| 406 | if(FirstU > 4.) return; |
| 407 | UmTr = FirstU; UMTr = (LastU > 4.) ? 4. : LastU; |
| 408 | } |
| 409 | else if(FirstU < 0. && LastU < 0.) |
| 410 | { |
| 411 | if(LastU < -4.) return; |
| 412 | UMTr = LastU; UmTr = (FirstU < -4.) ? -4. : FirstU; |
| 413 | } |
| 414 | else { UmTr = (FirstU < -4.) ? -4. : FirstU; UMTr = (LastU > 4.) ? 4. : LastU; } |
| 415 | } |
| 416 | //Make trimmed surface |
| 417 | Handle(Geom_RectangularTrimmedSurface) rts = new Geom_RectangularTrimmedSurface(gos,UmTr,UMTr,Standard_True); |
| 418 | I = rts->VIso(V); |
| 419 | } |
| 420 | } |
| 421 | } |
| 422 | //================================================================================ |
| 423 | //function: FUN_PL_Intersection |
| 424 | //================================================================================ |
| 425 | static void FUN_PL_Intersection(const Handle(Adaptor3d_HSurface)& S1, |
| 426 | const GeomAbs_SurfaceType& T1, |
| 427 | const Handle(Adaptor3d_HSurface)& S2, |
| 428 | const GeomAbs_SurfaceType& T2, |
| 429 | Standard_Boolean& IsOk, |
| 430 | TColgp_SequenceOfPnt& SP, |
| 431 | gp_Vec& DV) |
| 432 | { |
| 433 | IsOk = Standard_False; |
| 434 | // 1. Check: both surfaces have U(V)isos - lines. |
| 435 | DV = gp_Vec(0.,0.,1.); |
| 436 | Standard_Boolean isoS1isLine[2] = {0, 0}; |
| 437 | Standard_Boolean isoS2isLine[2] = {0, 0}; |
| 438 | Handle(Geom_Curve) C1, C2; |
| 439 | const GeomAdaptor_Surface & gas1 = *(GeomAdaptor_Surface*)(&(S1->Surface())); |
| 440 | const GeomAdaptor_Surface & gas2 = *(GeomAdaptor_Surface*)(&(S2->Surface())); |
| 441 | const Handle(Geom_Surface) gs1 = gas1.Surface(); |
| 442 | const Handle(Geom_Surface) gs2 = gas2.Surface(); |
| 443 | Standard_Real MS1[2], MS2[2]; |
| 444 | MS1[0] = 0.5 * (S1->LastUParameter() + S1->FirstUParameter()); |
| 445 | MS1[1] = 0.5 * (S1->LastVParameter() + S1->FirstVParameter()); |
| 446 | MS2[0] = 0.5 * (S2->LastUParameter() + S2->FirstUParameter()); |
| 447 | MS2[1] = 0.5 * (S2->LastVParameter() + S2->FirstVParameter()); |
| 448 | if(T1 == GeomAbs_SurfaceOfExtrusion) isoS1isLine[0] = Standard_True; |
| 449 | else if(!S1->IsVPeriodic() && !S1->IsVClosed()) { |
| 450 | if(T1 != GeomAbs_OffsetSurface) C1 = gs1->UIso(MS1[0]); |
| 451 | else { |
| 452 | const Handle(Geom_OffsetSurface) gos = *(Handle_Geom_OffsetSurface*)&gs1; |
| 453 | const Handle(Geom_Surface) bs = gos->BasisSurface(); |
| 454 | C1 = bs->UIso(MS1[0]); |
| 455 | } |
| 456 | GeomAdaptor_Curve gac(C1); |
| 457 | if(gac.GetType() == GeomAbs_Line) isoS1isLine[0] = Standard_True; |
| 458 | } |
| 459 | if(!S1->IsUPeriodic() && !S1->IsUClosed()) { |
| 460 | if(T1 != GeomAbs_OffsetSurface) C1 = gs1->VIso(MS1[1]); |
| 461 | else { |
| 462 | const Handle(Geom_OffsetSurface) gos = *(Handle_Geom_OffsetSurface*)&gs1; |
| 463 | const Handle(Geom_Surface) bs = gos->BasisSurface(); |
| 464 | C1 = bs->VIso(MS1[1]); |
| 465 | } |
| 466 | GeomAdaptor_Curve gac(C1); |
| 467 | if(gac.GetType() == GeomAbs_Line) isoS1isLine[1] = Standard_True; |
| 468 | } |
| 469 | if(T2 == GeomAbs_SurfaceOfExtrusion) isoS2isLine[0] = Standard_True; |
| 470 | else if(!S2->IsVPeriodic() && !S2->IsVClosed()) { |
| 471 | if(T2 != GeomAbs_OffsetSurface) C2 = gs2->UIso(MS2[0]); |
| 472 | else { |
| 473 | const Handle(Geom_OffsetSurface) gos = *(Handle_Geom_OffsetSurface*)&gs2; |
| 474 | const Handle(Geom_Surface) bs = gos->BasisSurface(); |
| 475 | C2 = bs->UIso(MS2[0]); |
| 476 | } |
| 477 | GeomAdaptor_Curve gac(C2); |
| 478 | if(gac.GetType() == GeomAbs_Line) isoS2isLine[0] = Standard_True; |
| 479 | } |
| 480 | if(!S2->IsUPeriodic() && !S2->IsUClosed()) { |
| 481 | if(T2 != GeomAbs_OffsetSurface) C2 = gs2->VIso(MS2[1]); |
| 482 | else { |
| 483 | const Handle(Geom_OffsetSurface) gos = *(Handle_Geom_OffsetSurface*)&gs2; |
| 484 | const Handle(Geom_Surface) bs = gos->BasisSurface(); |
| 485 | C2 = bs->VIso(MS2[1]); |
| 486 | } |
| 487 | GeomAdaptor_Curve gac(C2); |
| 488 | if(gac.GetType() == GeomAbs_Line) isoS2isLine[1] = Standard_True; |
| 489 | } |
| 490 | Standard_Boolean IsBothLines = ((isoS1isLine[0] || isoS1isLine[1]) && |
| 491 | (isoS2isLine[0] || isoS2isLine[1])); |
| 492 | if(!IsBothLines){ |
| 493 | return; |
| 494 | } |
| 495 | // 2. Check: Uiso lines of both surfaces are collinear. |
| 496 | gp_Pnt puvS1, puvS2; |
| 497 | gp_Vec derS1[2], derS2[2]; |
| 498 | S1->D1(MS1[0], MS1[1], puvS1, derS1[0], derS1[1]); |
| 499 | S2->D1(MS2[0], MS2[1], puvS2, derS2[0], derS2[1]); |
| 500 | C1.Nullify(); C2.Nullify(); |
| 501 | Standard_Integer iso = 0; |
| 502 | if(isoS1isLine[0] && isoS2isLine[0] && |
| 503 | derS1[1].IsParallel(derS2[1],Precision::Angular())) { |
| 504 | iso = 1; |
| 505 | FUN_GetViso(gs1,T1,S1->FirstUParameter(),S1->LastUParameter(), |
| 506 | S1->IsUClosed(),S1->IsUPeriodic(),MS1[1],C1); |
| 507 | FUN_GetViso(gs2,T2,S2->FirstUParameter(),S2->LastUParameter(), |
| 508 | S2->IsUClosed(),S2->IsUPeriodic(),MS2[1],C2); |
| 509 | } |
| 510 | else if(isoS1isLine[0] && isoS2isLine[1] && |
| 511 | derS1[1].IsParallel(derS2[0],Precision::Angular())) { |
| 512 | iso = 1; |
| 513 | FUN_GetViso(gs1,T1,S1->FirstUParameter(),S1->LastUParameter(), |
| 514 | S1->IsUClosed(),S1->IsUPeriodic(),MS1[1],C1); |
| 515 | FUN_GetUiso(gs2,T2,S2->FirstVParameter(),S2->LastVParameter(), |
| 516 | S2->IsVClosed(),S2->IsVPeriodic(),MS2[0],C2); |
| 517 | } |
| 518 | else if(isoS1isLine[1] && isoS2isLine[0] && |
| 519 | derS1[0].IsParallel(derS2[1],Precision::Angular())) { |
| 520 | iso = 0; |
| 521 | FUN_GetUiso(gs1,T1,S1->FirstVParameter(),S1->LastVParameter(), |
| 522 | S1->IsVClosed(),S1->IsVPeriodic(),MS1[0],C1); |
| 523 | FUN_GetViso(gs2,T2,S2->FirstUParameter(),S2->LastUParameter(), |
| 524 | S2->IsUClosed(),S2->IsUPeriodic(),MS2[1],C2); |
| 525 | } |
| 526 | else if(isoS1isLine[1] && isoS2isLine[1] && |
| 527 | derS1[0].IsParallel(derS2[0],Precision::Angular())) { |
| 528 | iso = 0; |
| 529 | FUN_GetUiso(gs1,T1,S1->FirstVParameter(),S1->LastVParameter(), |
| 530 | S1->IsVClosed(),S1->IsVPeriodic(),MS1[0],C1); |
| 531 | FUN_GetUiso(gs2,T2,S2->FirstVParameter(),S2->LastVParameter(), |
| 532 | S2->IsVClosed(),S2->IsVPeriodic(),MS2[0],C2); |
| 533 | } |
| 534 | else { |
| 535 | IsOk = Standard_False; |
| 536 | return; |
| 537 | } |
| 538 | IsOk = Standard_True; |
| 539 | // 3. Make intersections of V(U)isos |
| 540 | if(C1.IsNull() || C2.IsNull()) return; |
| 541 | DV = derS1[iso]; |
| 542 | Handle(Geom_Plane) GPln = new Geom_Plane(gp_Pln(puvS1,gp_Dir(DV))); |
| 543 | Handle(Geom_Curve) C1Prj = |
| 544 | GeomProjLib::ProjectOnPlane(C1,GPln,gp_Dir(DV),Standard_True); |
| 545 | Handle(Geom_Curve) C2Prj = |
| 546 | GeomProjLib::ProjectOnPlane(C2,GPln,gp_Dir(DV),Standard_True); |
| 547 | if(C1Prj.IsNull() || C2Prj.IsNull()) return; |
| 548 | Handle(Geom2d_Curve) C1Prj2d = |
| 549 | GeomProjLib::Curve2d(C1Prj,*(Handle_Geom_Surface *)&GPln); |
| 550 | Handle(Geom2d_Curve) C2Prj2d = |
| 551 | GeomProjLib::Curve2d(C2Prj,*(Handle_Geom_Surface *)&GPln); |
| 552 | Geom2dAPI_InterCurveCurve ICC(C1Prj2d,C2Prj2d,1.0e-7); |
| 553 | if(ICC.NbPoints() > 0 ) |
| 554 | { |
| 555 | for(Standard_Integer ip = 1; ip <= ICC.NbPoints(); ip++) |
| 556 | { |
| 557 | gp_Pnt2d P = ICC.Point(ip); |
| 558 | gp_Pnt P3d = ElCLib::To3d(gp_Ax2(puvS1,gp_Dir(DV)),P); |
| 559 | SP.Append(P3d); |
| 560 | } |
| 561 | } |
| 562 | } |
| 563 | //================================================================================ |
| 564 | //function: FUN_NewFirstLast |
| 565 | //================================================================================ |
| 566 | static void FUN_NewFirstLast(const GeomAbs_CurveType& ga_ct, |
| 567 | const Standard_Real& Fst, |
| 568 | const Standard_Real& Lst, |
| 569 | const Standard_Real& TrVal, |
| 570 | Standard_Real& NewFst, |
| 571 | Standard_Real& NewLst, |
| 572 | Standard_Boolean& NeedTr) |
| 573 | { |
| 574 | NewFst = Fst; NewLst = Lst; NeedTr = Standard_False; |
| 575 | switch (ga_ct) |
| 576 | { |
| 577 | case GeomAbs_Line: |
| 578 | case GeomAbs_Parabola: |
| 579 | { |
| 580 | if(Abs(Lst - Fst) > TrVal) |
| 581 | { |
| 582 | if(Fst >= 0. && Lst >= 0.) |
| 583 | { |
| 584 | NewFst = Fst; |
| 585 | NewLst = ((Fst + TrVal) < Lst) ? (Fst + TrVal) : Lst; |
| 586 | } |
| 587 | if(Fst < 0. && Lst < 0.) |
| 588 | { |
| 589 | NewLst = Lst; |
| 590 | NewFst = ((Lst - TrVal) > Fst) ? (Lst - TrVal) : Fst; |
| 591 | } |
| 592 | else |
| 593 | { |
| 594 | NewFst = (Fst < -TrVal) ? -TrVal : Fst; |
| 595 | NewLst = (Lst > TrVal) ? TrVal : Lst; |
| 596 | } |
| 597 | NeedTr = Standard_True; |
| 598 | } |
| 599 | break; |
| 600 | } |
| 601 | case GeomAbs_Hyperbola: |
| 602 | { |
| 603 | if(Abs(Lst - Fst) > 10.) |
| 604 | { |
| 605 | if(Fst >= 0. && Lst >= 0.) |
| 606 | { |
| 607 | if(Fst > 4.) return; |
| 608 | NewFst = Fst; |
| 609 | NewLst = (Lst > 4.) ? 4. : Lst; |
| 610 | } |
| 611 | if(Fst < 0. && Lst < 0.) |
| 612 | { |
| 613 | if(Lst < -4.) return; |
| 614 | NewLst = Lst; |
| 615 | NewFst = (Fst < -4.) ? -4. : Fst; |
| 616 | } |
| 617 | else |
| 618 | { |
| 619 | NewFst = (Fst < -4.) ? -4. : Fst; |
| 620 | NewLst = (Lst > 4.) ? 4. : Lst; |
| 621 | } |
| 622 | NeedTr = Standard_True; |
| 623 | } |
| 624 | break; |
| 625 | } |
| 626 | default: |
| 627 | break; |
| 628 | } |
| 629 | } |
| 630 | //================================================================================ |
| 631 | //function: FUN_TrimBothSurf |
| 632 | //================================================================================ |
| 633 | static void FUN_TrimBothSurf(const Handle(Adaptor3d_HSurface)& S1, |
| 634 | const GeomAbs_SurfaceType& T1, |
| 635 | const Handle(Adaptor3d_HSurface)& S2, |
| 636 | const GeomAbs_SurfaceType& T2, |
| 637 | const Standard_Real& TV, |
| 638 | Handle(Adaptor3d_HSurface)& NS1, |
| 639 | Handle(Adaptor3d_HSurface)& NS2) |
| 640 | { |
| 641 | const GeomAdaptor_Surface & gas1 = *(GeomAdaptor_Surface*)(&(S1->Surface())); |
| 642 | const GeomAdaptor_Surface & gas2 = *(GeomAdaptor_Surface*)(&(S2->Surface())); |
| 643 | const Handle(Geom_Surface) gs1 = gas1.Surface(); |
| 644 | const Handle(Geom_Surface) gs2 = gas2.Surface(); |
| 645 | const Standard_Real UM1 = 0.5 * (S1->LastUParameter() + S1->FirstUParameter()); |
| 646 | const Standard_Real UM2 = 0.5 * (S2->LastUParameter() + S2->FirstUParameter()); |
| 647 | const Standard_Real VM1 = 0.5 * (S1->LastVParameter() + S1->FirstVParameter()); |
| 648 | const Standard_Real VM2 = 0.5 * (S2->LastVParameter() + S2->FirstVParameter()); |
| 649 | Handle(Geom_Curve) visoS1, visoS2, uisoS1, uisoS2; |
| 650 | if(T1 != GeomAbs_OffsetSurface){ visoS1 = gs1->VIso(VM1); uisoS1 = gs1->UIso(UM1); } |
| 651 | else |
| 652 | { |
| 653 | const Handle(Geom_OffsetSurface) gos = *(Handle_Geom_OffsetSurface*)&gs1; |
| 654 | const Handle(Geom_Surface) bs = gos->BasisSurface(); |
| 655 | visoS1 = bs->VIso(VM1); uisoS1 = bs->UIso(UM1); |
| 656 | } |
| 657 | if(T2 != GeomAbs_OffsetSurface){ visoS2 = gs2->VIso(VM2); uisoS2 = gs2->UIso(UM2); } |
| 658 | else |
| 659 | { |
| 660 | const Handle(Geom_OffsetSurface) gos = *(Handle_Geom_OffsetSurface*)&gs2; |
| 661 | const Handle(Geom_Surface) bs = gos->BasisSurface(); |
| 662 | visoS2 = bs->VIso(VM2); uisoS2 = bs->UIso(UM2); |
| 663 | } |
| 664 | if(uisoS1.IsNull() || uisoS2.IsNull() || visoS1.IsNull() || visoS2.IsNull()){ NS1 = S1; NS2 = S2; return; } |
| 665 | GeomAdaptor_Curve gau1(uisoS1); |
| 666 | GeomAdaptor_Curve gav1(visoS1); |
| 667 | GeomAdaptor_Curve gau2(uisoS2); |
| 668 | GeomAdaptor_Curve gav2(visoS2); |
| 669 | GeomAbs_CurveType GA_U1 = gau1.GetType(); |
| 670 | GeomAbs_CurveType GA_V1 = gav1.GetType(); |
| 671 | GeomAbs_CurveType GA_U2 = gau2.GetType(); |
| 672 | GeomAbs_CurveType GA_V2 = gav2.GetType(); |
| 673 | Standard_Boolean TrmU1 = Standard_False; |
| 674 | Standard_Boolean TrmV1 = Standard_False; |
| 675 | Standard_Boolean TrmU2 = Standard_False; |
| 676 | Standard_Boolean TrmV2 = Standard_False; |
| 677 | Standard_Real V1S1,V2S1,U1S1,U2S1, V1S2,V2S2,U1S2,U2S2; |
| 678 | FUN_NewFirstLast(GA_U1,S1->FirstVParameter(),S1->LastVParameter(),TV,V1S1,V2S1,TrmV1); |
| 679 | FUN_NewFirstLast(GA_V1,S1->FirstUParameter(),S1->LastUParameter(),TV,U1S1,U2S1,TrmU1); |
| 680 | FUN_NewFirstLast(GA_U2,S2->FirstVParameter(),S2->LastVParameter(),TV,V1S2,V2S2,TrmV2); |
| 681 | FUN_NewFirstLast(GA_V2,S2->FirstUParameter(),S2->LastUParameter(),TV,U1S2,U2S2,TrmU2); |
| 682 | if(TrmV1) NS1 = S1->VTrim(V1S1, V2S1, 1.0e-7); |
| 683 | if(TrmV2) NS2 = S2->VTrim(V1S2, V2S2, 1.0e-7); |
| 684 | if(TrmU1) |
| 685 | { |
| 686 | if(TrmV1) |
| 687 | { |
| 688 | Handle(Adaptor3d_HSurface) TS = NS1; |
| 689 | NS1 = TS->UTrim(U1S1, U2S1, 1.0e-7); |
| 690 | } |
| 691 | else NS1 = S1->UTrim(U1S1, U2S1, 1.0e-7); |
| 692 | } |
| 693 | if(TrmU2) |
| 694 | { |
| 695 | if(TrmV2) |
| 696 | { |
| 697 | Handle(Adaptor3d_HSurface) TS = NS2; |
| 698 | NS2 = TS->UTrim(U1S2, U2S2, 1.0e-7); |
| 699 | } |
| 700 | else NS2 = S2->UTrim(U1S2, U2S2, 1.0e-7); |
| 701 | } |
| 702 | } |
| 703 | |
| 704 | //======================================================================= |
| 705 | //function : Perform |
| 706 | //purpose : |
| 707 | //======================================================================= |
| 708 | void IntPatch_Intersection::Perform(const Handle(Adaptor3d_HSurface)& theS1, |
| 709 | const Handle(Adaptor3d_TopolTool)& theD1, |
| 710 | const Handle(Adaptor3d_HSurface)& theS2, |
| 711 | const Handle(Adaptor3d_TopolTool)& theD2, |
| 712 | const Standard_Real TolArc, |
| 713 | const Standard_Real TolTang, |
| 714 | const Standard_Boolean isGeomInt) |
| 715 | { |
| 716 | myTolArc = TolArc; |
| 717 | myTolTang = TolTang; |
| 718 | if(myFleche <= Precision::PConfusion()) |
| 719 | myFleche = 0.01; |
| 720 | if(myUVMaxStep <= Precision::PConfusion()) |
| 721 | myUVMaxStep = 0.01; |
| 722 | |
| 723 | done = Standard_False; |
| 724 | spnt.Clear(); |
| 725 | slin.Clear(); |
| 726 | empt = Standard_True; |
| 727 | tgte = Standard_False; |
| 728 | oppo = Standard_False; |
| 729 | |
| 730 | GeomAbs_SurfaceType typs1 = theS1->GetType(); |
| 731 | GeomAbs_SurfaceType typs2 = theS2->GetType(); |
| 732 | |
| 733 | Standard_Boolean TreatAsBiParametric = Standard_False; |
| 734 | if(typs1 == GeomAbs_Cone) |
| 735 | { |
| 736 | const gp_Cone Con1 = theS1->Cone(); |
| 737 | const Standard_Real a1 = Abs(Con1.SemiAngle()); |
| 738 | if((a1 < 0.02) || (a1 > 1.55)) |
| 739 | { |
| 740 | if(typs2==GeomAbs_Plane) |
| 741 | { |
| 742 | if(a1 < 0.02) |
| 743 | { |
| 744 | const gp_Pln Plan2 = theS2->Plane(); |
| 745 | const gp_Dir axec = Con1.Axis().Direction(); |
| 746 | const gp_Dir axep = Plan2.Axis().Direction(); |
| 747 | const Standard_Real ps = Abs(axec.Dot(axep)); |
| 748 | if(ps < 0.015) |
| 749 | { |
| 750 | TreatAsBiParametric = Standard_True; |
| 751 | } |
| 752 | } |
| 753 | } |
| 754 | else |
| 755 | TreatAsBiParametric = Standard_True; |
| 756 | } |
| 757 | } |
| 758 | |
| 759 | if(typs2 == GeomAbs_Cone) |
| 760 | { |
| 761 | const gp_Cone Con2 = theS2->Cone(); |
| 762 | const Standard_Real a2 = Abs(Con2.SemiAngle()); |
| 763 | if((a2 < 0.02) || (a2 > 1.55)) |
| 764 | { |
| 765 | if(typs1 == GeomAbs_Plane) |
| 766 | { |
| 767 | if(a2 < 0.02) |
| 768 | { |
| 769 | const gp_Pln Plan1 = theS1->Plane(); |
| 770 | const gp_Dir axec = Con2.Axis().Direction(); |
| 771 | const gp_Dir axep = Plan1.Axis().Direction(); |
| 772 | const Standard_Real ps = Abs(axec.Dot(axep)); |
| 773 | if(ps<0.015) |
| 774 | { |
| 775 | TreatAsBiParametric = Standard_True; |
| 776 | } |
| 777 | } |
| 778 | } |
| 779 | else |
| 780 | TreatAsBiParametric = Standard_True; |
| 781 | } |
| 782 | |
| 783 | //// modified by jgv, 15.12.02 for OCC565 //// |
| 784 | if (typs1 == GeomAbs_Cone && TreatAsBiParametric) |
| 785 | { |
| 786 | const gp_Cone Con1 = theS1->Cone(); |
| 787 | const Standard_Real a1 = Abs(Con1.SemiAngle()); |
| 788 | //if collinear, treat as canonical |
| 789 | const gp_Ax1 A1 = Con1.Axis(), A2 = Con2.Axis(); |
| 790 | const gp_Lin L1(A1); |
| 791 | if (A1.IsParallel(A2,Precision::Angular()) && |
| 792 | (L1.Distance(A2.Location()) <= Precision::Confusion())) |
| 793 | { |
| 794 | TreatAsBiParametric = Standard_False; |
| 795 | } |
| 796 | else if (a1 > 1.55 && a2 > 1.55) //quasi-planes: if same domain, treat as canonic |
| 797 | { |
| 798 | const gp_Ax1 A1 = Con1.Axis(), A2 = Con2.Axis(); |
| 799 | if (A1.IsParallel(A2,Precision::Angular())) |
| 800 | { |
| 801 | const gp_Pnt Apex1 = Con1.Apex(), Apex2 = Con2.Apex(); |
| 802 | const gp_Pln Plan1( Apex1, A1.Direction() ); |
| 803 | if (Plan1.Distance( Apex2 ) <= Precision::Confusion()) |
| 804 | { |
| 805 | TreatAsBiParametric = Standard_False; |
| 806 | } |
| 807 | } |
| 808 | } |
| 809 | }// if (typs1 == GeomAbs_Cone) { |
| 810 | }// if(typs2 == GeomAbs_Cone) { |
| 811 | |
| 812 | if(theD1->DomainIsInfinite() || theD2->DomainIsInfinite()) { |
| 813 | TreatAsBiParametric= Standard_False; |
| 814 | } |
| 815 | |
| 816 | // Modified by skv - Mon Sep 26 14:58:30 2005 Begin |
| 817 | // if(TreatAsBiParametric) { typs1 = typs2 = GeomAbs_BezierSurface; } |
| 818 | if(TreatAsBiParametric) |
| 819 | { |
| 820 | if (typs1 == GeomAbs_Cone && typs2 == GeomAbs_Plane) |
| 821 | typs1 = GeomAbs_BezierSurface; // Using Imp-Prm Intersector |
| 822 | else if (typs1 == GeomAbs_Plane && typs2 == GeomAbs_Cone) |
| 823 | typs2 = GeomAbs_BezierSurface; // Using Imp-Prm Intersector |
| 824 | else { |
| 825 | // Using Prm-Prm Intersector |
| 826 | typs1 = GeomAbs_BezierSurface; |
| 827 | typs2 = GeomAbs_BezierSurface; |
| 828 | } |
| 829 | } |
| 830 | // Modified by skv - Mon Sep 26 14:58:30 2005 End |
| 831 | |
| 832 | // Surface type definition |
| 833 | Standard_Integer ts1 = 0; |
| 834 | switch (typs1) |
| 835 | { |
| 836 | case GeomAbs_Plane: |
| 837 | case GeomAbs_Cylinder: |
| 838 | case GeomAbs_Sphere: |
| 839 | case GeomAbs_Cone: ts1 = 1; break; |
| 840 | default: break; |
| 841 | } |
| 842 | |
| 843 | Standard_Integer ts2 = 0; |
| 844 | switch (typs2) |
| 845 | { |
| 846 | case GeomAbs_Plane: |
| 847 | case GeomAbs_Cylinder: |
| 848 | case GeomAbs_Sphere: |
| 849 | case GeomAbs_Cone: ts2 = 1; break; |
| 850 | default: break; |
| 851 | } |
| 852 | // |
| 853 | // treatment of the cases with torus and any other geom surface |
| 854 | if ((typs1 == GeomAbs_Torus && ts2) || |
| 855 | (typs2 == GeomAbs_Torus && ts1) || |
| 856 | (typs1 == GeomAbs_Torus && typs2 == GeomAbs_Torus)) { |
| 857 | // check if axes collinear |
| 858 | // |
| 859 | const Handle(Adaptor3d_HSurface)& aTorSurf = |
| 860 | (typs1 == GeomAbs_Torus) ? theS1 : theS2; |
| 861 | const Handle(Adaptor3d_HSurface)& aGeomSurf = |
| 862 | (typs1 == GeomAbs_Torus) ? theS2 : theS1; |
| 863 | // |
| 864 | Standard_Boolean bValid = |
| 865 | aTorSurf->Torus().MajorRadius() > aTorSurf->Torus().MinorRadius(); |
| 866 | if (bValid && (typs1 == typs2)) { |
| 867 | bValid = aGeomSurf->Torus().MajorRadius() > aGeomSurf->Torus().MinorRadius(); |
| 868 | } |
| 869 | // |
| 870 | if (bValid) { |
| 871 | Standard_Boolean bCheck, bImpImp; |
| 872 | const gp_Ax1 aTorAx = aTorSurf->Torus().Axis(); |
| 873 | const gp_Lin aL1(aTorAx); |
| 874 | // |
| 875 | bCheck = Standard_True; |
| 876 | bImpImp = Standard_False; |
| 877 | // |
| 878 | gp_Ax1 aGeomAx; |
| 879 | switch (aGeomSurf->GetType()) { |
| 880 | case GeomAbs_Plane: { |
| 881 | aGeomAx = aGeomSurf->Plane().Axis(); |
| 882 | if (aTorAx.IsParallel(aGeomAx, Precision::Angular()) || |
| 883 | (aTorAx.IsNormal(aGeomAx, Precision::Angular()) && |
| 884 | (aGeomSurf->Plane().Distance(aTorAx.Location()) < Precision::Confusion()))) { |
| 885 | bImpImp = Standard_True; |
| 886 | } |
| 887 | bCheck = Standard_False; |
| 888 | break; |
| 889 | } |
| 890 | case GeomAbs_Sphere: { |
| 891 | if (aL1.Distance(aGeomSurf->Sphere().Location()) < Precision::Confusion()) { |
| 892 | bImpImp = Standard_True; |
| 893 | } |
| 894 | bCheck = Standard_False; |
| 895 | break; |
| 896 | } |
| 897 | case GeomAbs_Cylinder: |
| 898 | aGeomAx = aGeomSurf->Cylinder().Axis(); |
| 899 | break; |
| 900 | case GeomAbs_Cone: |
| 901 | aGeomAx = aGeomSurf->Cone().Axis(); |
| 902 | break; |
| 903 | case GeomAbs_Torus: |
| 904 | aGeomAx = aGeomSurf->Torus().Axis(); |
| 905 | break; |
| 906 | default: |
| 907 | bCheck = Standard_False; |
| 908 | break; |
| 909 | } |
| 910 | // |
| 911 | if (bCheck) { |
| 912 | if (aTorAx.IsParallel(aGeomAx, Precision::Angular()) && |
| 913 | (aL1.Distance(aGeomAx.Location()) <= Precision::Confusion())) { |
| 914 | bImpImp = Standard_True; |
| 915 | } |
| 916 | } |
| 917 | // |
| 918 | if (bImpImp) { |
| 919 | ts1 = 1; |
| 920 | ts2 = 1; |
| 921 | } |
| 922 | } |
| 923 | } |
| 924 | // |
| 925 | // Possible intersection types: 1. ts1 == ts2 == 1 <Geom-Geom> |
| 926 | // 2. ts1 != ts2 <Geom-Param> |
| 927 | // 3. ts1 == ts2 == 0 <Param-Param> |
| 928 | |
| 929 | // Geom - Geom |
| 930 | if(ts1 == ts2 && ts1 == 1) |
| 931 | { |
| 932 | const Standard_Boolean RestrictLine = Standard_True; |
| 933 | IntSurf_ListOfPntOn2S ListOfPnts; |
| 934 | ListOfPnts.Clear(); |
| 935 | if(isGeomInt) |
| 936 | { |
| 937 | GeomGeomPerfom(theS1, theD1, theS2, theD2, TolArc, TolTang, ListOfPnts, RestrictLine, typs1, typs2); |
| 938 | } |
| 939 | else |
| 940 | { |
| 941 | ParamParamPerfom(theS1, theD1, theS2, theD2, TolArc, TolTang, ListOfPnts, RestrictLine, typs1, typs2); |
| 942 | } |
| 943 | } |
| 944 | |
| 945 | // Geom - Param |
| 946 | if(ts1 != ts2) |
| 947 | { |
| 948 | GeomParamPerfom(theS1, theD1, theS2, theD2, ts1 == 0, typs1, typs2); |
| 949 | } |
| 950 | |
| 951 | // Param - Param |
| 952 | if(ts1 == ts2 && ts1 == 0) |
| 953 | { |
| 954 | const Standard_Boolean RestrictLine = Standard_True; |
| 955 | IntSurf_ListOfPntOn2S ListOfPnts; |
| 956 | ListOfPnts.Clear(); |
| 957 | |
| 958 | ParamParamPerfom(theS1, theD1, theS2, theD2, TolArc, TolTang, ListOfPnts, RestrictLine, typs1, typs2); |
| 959 | } |
| 960 | } |
| 961 | |
| 962 | //======================================================================= |
| 963 | //function : Perform |
| 964 | //purpose : |
| 965 | //======================================================================= |
| 966 | void IntPatch_Intersection::Perform(const Handle(Adaptor3d_HSurface)& theS1, |
| 967 | const Handle(Adaptor3d_TopolTool)& theD1, |
| 968 | const Handle(Adaptor3d_HSurface)& theS2, |
| 969 | const Handle(Adaptor3d_TopolTool)& theD2, |
| 970 | const Standard_Real TolArc, |
| 971 | const Standard_Real TolTang, |
| 972 | IntSurf_ListOfPntOn2S& ListOfPnts, |
| 973 | const Standard_Boolean RestrictLine, |
| 974 | const Standard_Boolean isGeomInt) |
| 975 | { |
| 976 | myTolArc = TolArc; |
| 977 | myTolTang = TolTang; |
| 978 | if(myFleche <= Precision::PConfusion()) |
| 979 | myFleche = 0.01; |
| 980 | if(myUVMaxStep <= Precision::PConfusion()) |
| 981 | myUVMaxStep = 0.01; |
| 982 | |
| 983 | done = Standard_False; |
| 984 | spnt.Clear(); |
| 985 | slin.Clear(); |
| 986 | empt = Standard_True; |
| 987 | tgte = Standard_False; |
| 988 | oppo = Standard_False; |
| 989 | |
| 990 | GeomAbs_SurfaceType typs1 = theS1->GetType(); |
| 991 | GeomAbs_SurfaceType typs2 = theS2->GetType(); |
| 992 | |
| 993 | Standard_Boolean TreatAsBiParametric = Standard_False; |
| 994 | if(typs1 == GeomAbs_Cone) |
| 995 | { |
| 996 | const gp_Cone Con1 = theS1->Cone(); |
| 997 | const Standard_Real a1 = Abs(Con1.SemiAngle()); |
| 998 | if((a1 < 0.02) || (a1 > 1.55)) |
| 999 | { |
| 1000 | if(typs2==GeomAbs_Plane) |
| 1001 | { |
| 1002 | if(a1 < 0.02) |
| 1003 | { |
| 1004 | const gp_Pln Plan2 = theS2->Plane(); |
| 1005 | const gp_Dir axec = Con1.Axis().Direction(); |
| 1006 | const gp_Dir axep = Plan2.Axis().Direction(); |
| 1007 | const Standard_Real ps = Abs(axec.Dot(axep)); |
| 1008 | if(ps < 0.015) |
| 1009 | { |
| 1010 | TreatAsBiParametric = Standard_True; |
| 1011 | } |
| 1012 | } |
| 1013 | } |
| 1014 | else |
| 1015 | TreatAsBiParametric = Standard_True; |
| 1016 | } |
| 1017 | } |
| 1018 | |
| 1019 | if(typs2 == GeomAbs_Cone) |
| 1020 | { |
| 1021 | const gp_Cone Con2 = theS2->Cone(); |
| 1022 | const Standard_Real a2 = Abs(Con2.SemiAngle()); |
| 1023 | if((a2 < 0.02) || (a2 > 1.55)) |
| 1024 | { |
| 1025 | if(typs1 == GeomAbs_Plane) |
| 1026 | { |
| 1027 | if(a2 < 0.02) |
| 1028 | { |
| 1029 | const gp_Pln Plan1 = theS1->Plane(); |
| 1030 | const gp_Dir axec = Con2.Axis().Direction(); |
| 1031 | const gp_Dir axep = Plan1.Axis().Direction(); |
| 1032 | const Standard_Real ps = Abs(axec.Dot(axep)); |
| 1033 | if(ps<0.015) |
| 1034 | { |
| 1035 | TreatAsBiParametric = Standard_True; |
| 1036 | } |
| 1037 | } |
| 1038 | } |
| 1039 | else |
| 1040 | TreatAsBiParametric = Standard_True; |
| 1041 | } |
| 1042 | |
| 1043 | //// modified by jgv, 15.12.02 for OCC565 //// |
| 1044 | if (typs1 == GeomAbs_Cone && TreatAsBiParametric) |
| 1045 | { |
| 1046 | const gp_Cone Con1 = theS1->Cone(); |
| 1047 | const Standard_Real a1 = Abs(Con1.SemiAngle()); |
| 1048 | //if collinear, treat as canonical |
| 1049 | const gp_Ax1 A1 = Con1.Axis(), A2 = Con2.Axis(); |
| 1050 | const gp_Lin L1(A1); |
| 1051 | if (A1.IsParallel(A2,Precision::Angular()) && |
| 1052 | (L1.Distance(A2.Location()) <= Precision::Confusion())) |
| 1053 | { |
| 1054 | TreatAsBiParametric = Standard_False; |
| 1055 | } |
| 1056 | else if (a1 > 1.55 && a2 > 1.55) //quasi-planes: if same domain, treat as canonic |
| 1057 | { |
| 1058 | const gp_Ax1 A1 = Con1.Axis(), A2 = Con2.Axis(); |
| 1059 | if (A1.IsParallel(A2,Precision::Angular())) |
| 1060 | { |
| 1061 | const gp_Pnt Apex1 = Con1.Apex(), Apex2 = Con2.Apex(); |
| 1062 | const gp_Pln Plan1( Apex1, A1.Direction() ); |
| 1063 | if (Plan1.Distance( Apex2 ) <= Precision::Confusion()) |
| 1064 | { |
| 1065 | TreatAsBiParametric = Standard_False; |
| 1066 | } |
| 1067 | } |
| 1068 | } |
| 1069 | }// if (typs1 == GeomAbs_Cone) { |
| 1070 | }// if(typs2 == GeomAbs_Cone) { |
| 1071 | |
| 1072 | if(theD1->DomainIsInfinite() || theD2->DomainIsInfinite()) { |
| 1073 | TreatAsBiParametric= Standard_False; |
| 1074 | } |
| 1075 | |
| 1076 | if(TreatAsBiParametric) |
| 1077 | { |
| 1078 | // Using Prm-Prm Intersector |
| 1079 | typs1 = GeomAbs_BezierSurface; |
| 1080 | typs2 = GeomAbs_BezierSurface; |
| 1081 | } |
| 1082 | |
| 1083 | // Surface type definition |
| 1084 | Standard_Integer ts1 = 0; |
| 1085 | switch (typs1) |
| 1086 | { |
| 1087 | case GeomAbs_Plane: |
| 1088 | case GeomAbs_Cylinder: |
| 1089 | case GeomAbs_Sphere: |
| 1090 | case GeomAbs_Cone: ts1 = 1; break; |
| 1091 | default: break; |
| 1092 | } |
| 1093 | |
| 1094 | Standard_Integer ts2 = 0; |
| 1095 | switch (typs2) |
| 1096 | { |
| 1097 | case GeomAbs_Plane: |
| 1098 | case GeomAbs_Cylinder: |
| 1099 | case GeomAbs_Sphere: |
| 1100 | case GeomAbs_Cone: ts2 = 1; break; |
| 1101 | default: break; |
| 1102 | } |
| 1103 | // |
| 1104 | // treatment of the cases with torus and any other geom surface |
| 1105 | if ((typs1 == GeomAbs_Torus && ts2) || |
| 1106 | (typs2 == GeomAbs_Torus && ts1) || |
| 1107 | (typs1 == GeomAbs_Torus && typs2 == GeomAbs_Torus)) { |
| 1108 | // check if axes collinear |
| 1109 | // |
| 1110 | const Handle(Adaptor3d_HSurface)& aTorSurf = |
| 1111 | (typs1 == GeomAbs_Torus) ? theS1 : theS2; |
| 1112 | const Handle(Adaptor3d_HSurface)& aGeomSurf = |
| 1113 | (typs1 == GeomAbs_Torus) ? theS2 : theS1; |
| 1114 | // |
| 1115 | Standard_Boolean bValid = |
| 1116 | aTorSurf->Torus().MajorRadius() > aTorSurf->Torus().MinorRadius(); |
| 1117 | if (bValid && (typs1 == typs2)) { |
| 1118 | bValid = aGeomSurf->Torus().MajorRadius() > aGeomSurf->Torus().MinorRadius(); |
| 1119 | } |
| 1120 | // |
| 1121 | if (bValid) { |
| 1122 | Standard_Boolean bCheck, bImpImp; |
| 1123 | const gp_Ax1 aTorAx = aTorSurf->Torus().Axis(); |
| 1124 | const gp_Lin aL1(aTorAx); |
| 1125 | // |
| 1126 | bCheck = Standard_True; |
| 1127 | bImpImp = Standard_False; |
| 1128 | // |
| 1129 | gp_Ax1 aGeomAx; |
| 1130 | switch (aGeomSurf->GetType()) { |
| 1131 | case GeomAbs_Plane: { |
| 1132 | aGeomAx = aGeomSurf->Plane().Axis(); |
| 1133 | if (aTorAx.IsParallel(aGeomAx, Precision::Angular()) || |
| 1134 | (aTorAx.IsNormal(aGeomAx, Precision::Angular()) && |
| 1135 | (aGeomSurf->Plane().Distance(aTorAx.Location()) < Precision::Confusion()))) { |
| 1136 | bImpImp = Standard_True; |
| 1137 | } |
| 1138 | bCheck = Standard_False; |
| 1139 | break; |
| 1140 | } |
| 1141 | case GeomAbs_Sphere: { |
| 1142 | if (aL1.Distance(aGeomSurf->Sphere().Location()) < Precision::Confusion()) { |
| 1143 | bImpImp = Standard_True; |
| 1144 | } |
| 1145 | bCheck = Standard_False; |
| 1146 | break; |
| 1147 | } |
| 1148 | case GeomAbs_Cylinder: |
| 1149 | aGeomAx = aGeomSurf->Cylinder().Axis(); |
| 1150 | break; |
| 1151 | case GeomAbs_Cone: |
| 1152 | aGeomAx = aGeomSurf->Cone().Axis(); |
| 1153 | break; |
| 1154 | case GeomAbs_Torus: |
| 1155 | aGeomAx = aGeomSurf->Torus().Axis(); |
| 1156 | break; |
| 1157 | default: |
| 1158 | bCheck = Standard_False; |
| 1159 | break; |
| 1160 | } |
| 1161 | // |
| 1162 | if (bCheck) { |
| 1163 | if (aTorAx.IsParallel(aGeomAx, Precision::Angular()) && |
| 1164 | (aL1.Distance(aGeomAx.Location()) <= Precision::Confusion())) { |
| 1165 | bImpImp = Standard_True; |
| 1166 | } |
| 1167 | } |
| 1168 | // |
| 1169 | if (bImpImp) { |
| 1170 | ts1 = 1; |
| 1171 | ts2 = 1; |
| 1172 | } |
| 1173 | } |
| 1174 | } |
| 1175 | // |
| 1176 | // Possible intersection types: 1. ts1 == ts2 == 1 <Geom-Geom> |
| 1177 | // 2. ts1 != ts2 <Geom-Param> |
| 1178 | // 3. ts1 == ts2 == 0 <Param-Param> |
| 1179 | |
| 1180 | if(!isGeomInt) |
| 1181 | { |
| 1182 | ParamParamPerfom(theS1, theD1, theS2, theD2, TolArc, TolTang, ListOfPnts, RestrictLine, typs1, typs2); |
| 1183 | } |
| 1184 | else if(ts1 != ts2) |
| 1185 | { |
| 1186 | GeomParamPerfom(theS1, theD1, theS2, theD2, ts1 == 0, typs1, typs2); |
| 1187 | } |
| 1188 | else if (ts1 == 0) |
| 1189 | { |
| 1190 | ParamParamPerfom(theS1, theD1, theS2, theD2, TolArc, TolTang, ListOfPnts, RestrictLine, typs1, typs2); |
| 1191 | } |
| 1192 | else if(ts1 == 1) |
| 1193 | { |
| 1194 | GeomGeomPerfom(theS1, theD1, theS2, theD2, TolArc, TolTang, ListOfPnts, RestrictLine, typs1, typs2); |
| 1195 | } |
| 1196 | } |
| 1197 | |
| 1198 | //======================================================================= |
| 1199 | //function : ParamParamPerfom |
| 1200 | //purpose : |
| 1201 | //======================================================================= |
| 1202 | void IntPatch_Intersection::ParamParamPerfom(const Handle(Adaptor3d_HSurface)& theS1, |
| 1203 | const Handle(Adaptor3d_TopolTool)& theD1, |
| 1204 | const Handle(Adaptor3d_HSurface)& theS2, |
| 1205 | const Handle(Adaptor3d_TopolTool)& theD2, |
| 1206 | const Standard_Real TolArc, |
| 1207 | const Standard_Real TolTang, |
| 1208 | IntSurf_ListOfPntOn2S& ListOfPnts, |
| 1209 | const Standard_Boolean RestrictLine, |
| 1210 | const GeomAbs_SurfaceType typs1, |
| 1211 | const GeomAbs_SurfaceType typs2) |
| 1212 | { |
| 1213 | IntPatch_PrmPrmIntersection interpp; |
| 1214 | if(!theD1->DomainIsInfinite() && !theD2->DomainIsInfinite()) |
| 1215 | { |
| 1216 | Standard_Boolean ClearFlag = Standard_True; |
| 1217 | if(!ListOfPnts.IsEmpty()) |
| 1218 | { |
| 1219 | interpp.Perform(theS1,theD1,theS2,theD2,TolArc,TolTang,myFleche,myUVMaxStep, ListOfPnts, RestrictLine); |
| 1220 | ClearFlag = Standard_False; |
| 1221 | } |
| 1222 | interpp.Perform(theS1,theD1,theS2,theD2,TolArc,TolTang,myFleche,myUVMaxStep,ClearFlag); //double call!!!!!!! |
| 1223 | } |
| 1224 | else if((theD1->DomainIsInfinite()) ^ (theD2->DomainIsInfinite())) |
| 1225 | { |
| 1226 | gp_Pnt pMaxXYZ, pMinXYZ; |
| 1227 | if(theD1->DomainIsInfinite()) |
| 1228 | { |
| 1229 | FUN_GetMinMaxXYZPnt( theS2, pMinXYZ, pMaxXYZ ); |
| 1230 | const Standard_Real MU = Max(Abs(theS2->FirstUParameter()),Abs(theS2->LastUParameter())); |
| 1231 | const Standard_Real MV = Max(Abs(theS2->FirstVParameter()),Abs(theS2->LastVParameter())); |
| 1232 | const Standard_Real AP = Max(MU, MV); |
| 1233 | Handle(Adaptor3d_HSurface) SS; |
| 1234 | FUN_TrimInfSurf(pMinXYZ, pMaxXYZ, theS1, AP, SS); |
| 1235 | interpp.Perform(SS,theD1,theS2,theD2,TolArc,TolTang,myFleche,myUVMaxStep); |
| 1236 | } |
| 1237 | else |
| 1238 | { |
| 1239 | FUN_GetMinMaxXYZPnt( theS1, pMinXYZ, pMaxXYZ ); |
| 1240 | const Standard_Real MU = Max(Abs(theS1->FirstUParameter()),Abs(theS1->LastUParameter())); |
| 1241 | const Standard_Real MV = Max(Abs(theS1->FirstVParameter()),Abs(theS1->LastVParameter())); |
| 1242 | const Standard_Real AP = Max(MU, MV); |
| 1243 | Handle(Adaptor3d_HSurface) SS; |
| 1244 | FUN_TrimInfSurf(pMinXYZ, pMaxXYZ, theS2, AP, SS); |
| 1245 | interpp.Perform(theS1, theD1, SS, theD2,TolArc,TolTang,myFleche,myUVMaxStep); |
| 1246 | } |
| 1247 | }//(theD1->DomainIsInfinite()) ^ (theD2->DomainIsInfinite()) |
| 1248 | else |
| 1249 | { |
| 1250 | if(typs1 == GeomAbs_OtherSurface || typs2 == GeomAbs_OtherSurface) |
| 1251 | { |
| 1252 | done = Standard_False; |
| 1253 | return; |
| 1254 | } |
| 1255 | |
| 1256 | Standard_Boolean IsPLInt = Standard_False; |
| 1257 | TColgp_SequenceOfPnt sop; |
| 1258 | gp_Vec v; |
| 1259 | FUN_PL_Intersection(theS1,typs1,theS2,typs2,IsPLInt,sop,v); |
| 1260 | |
| 1261 | if(IsPLInt) |
| 1262 | { |
| 1263 | if(sop.Length() > 0) |
| 1264 | { |
| 1265 | for(Standard_Integer ip = 1; ip <= sop.Length(); ip++) |
| 1266 | { |
| 1267 | gp_Lin lin(sop.Value(ip),gp_Dir(v)); |
| 1268 | Handle(IntPatch_GLine) gl = new IntPatch_GLine(lin,Standard_False); |
| 1269 | slin.Append(*(Handle_IntPatch_Line *)&gl); |
| 1270 | } |
| 1271 | |
| 1272 | done = Standard_True; |
| 1273 | } |
| 1274 | else |
| 1275 | done = Standard_False; |
| 1276 | |
| 1277 | return; |
| 1278 | }// 'COLLINEAR LINES' |
| 1279 | else |
| 1280 | { |
| 1281 | Handle(Adaptor3d_HSurface) nS1 = theS1; |
| 1282 | Handle(Adaptor3d_HSurface) nS2 = theS2; |
| 1283 | FUN_TrimBothSurf(theS1,typs1,theS2,typs2,1.e+8,nS1,nS2); |
| 1284 | interpp.Perform(nS1,theD1,nS2,theD2,TolArc,TolTang,myFleche,myUVMaxStep); |
| 1285 | }// 'NON - COLLINEAR LINES' |
| 1286 | }// both domains are infinite |
| 1287 | |
| 1288 | if (interpp.IsDone()) |
| 1289 | { |
| 1290 | done = Standard_True; |
| 1291 | tgte = Standard_False; |
| 1292 | empt = interpp.IsEmpty(); |
| 1293 | |
| 1294 | for(Standard_Integer i = 1; i <= interpp.NbLines(); i++) |
| 1295 | { |
| 1296 | if(interpp.Line(i)->ArcType() != IntPatch_Walking) |
| 1297 | slin.Append(interpp.Line(i)); |
| 1298 | } |
| 1299 | |
| 1300 | for (Standard_Integer i = 1; i <= interpp.NbLines(); i++) |
| 1301 | { |
| 1302 | if(interpp.Line(i)->ArcType() == IntPatch_Walking) |
| 1303 | slin.Append(interpp.Line(i)); |
| 1304 | } |
| 1305 | } |
| 1306 | } |
| 1307 | |
| 1308 | //======================================================================= |
| 1309 | ////function : GeomGeomPerfom |
| 1310 | //purpose : |
| 1311 | //======================================================================= |
| 1312 | void IntPatch_Intersection::GeomGeomPerfom(const Handle(Adaptor3d_HSurface)& theS1, |
| 1313 | const Handle(Adaptor3d_TopolTool)& theD1, |
| 1314 | const Handle(Adaptor3d_HSurface)& theS2, |
| 1315 | const Handle(Adaptor3d_TopolTool)& theD2, |
| 1316 | const Standard_Real TolArc, |
| 1317 | const Standard_Real TolTang, |
| 1318 | IntSurf_ListOfPntOn2S& ListOfPnts, |
| 1319 | const Standard_Boolean RestrictLine, |
| 1320 | const GeomAbs_SurfaceType typs1, |
| 1321 | const GeomAbs_SurfaceType typs2) |
| 1322 | { |
| 1323 | IntPatch_ImpImpIntersection interii(theS1,theD1,theS2,theD2,myTolArc,myTolTang); |
| 1324 | const Standard_Boolean anIS = interii.IsDone(); |
| 1325 | if (anIS) |
| 1326 | { |
| 1327 | done = anIS; |
| 1328 | empt = interii.IsEmpty(); |
| 1329 | if (!empt) |
| 1330 | { |
| 1331 | tgte = interii.TangentFaces(); |
| 1332 | if (tgte) |
| 1333 | oppo = interii.OppositeFaces(); |
| 1334 | |
| 1335 | for (Standard_Integer i = 1; i <= interii.NbLines(); i++) |
| 1336 | { |
| 1337 | const Handle_IntPatch_Line& line = interii.Line(i); |
| 1338 | if (line->ArcType() == IntPatch_Analytic) |
| 1339 | { |
| 1340 | const GeomAbs_SurfaceType typs1 = theS1->GetType(); |
| 1341 | const GeomAbs_SurfaceType typs2 = theS2->GetType(); |
| 1342 | IntSurf_Quadric Quad1,Quad2; |
| 1343 | |
| 1344 | switch(typs1) |
| 1345 | { |
| 1346 | case GeomAbs_Plane: |
| 1347 | Quad1.SetValue(theS1->Plane()); |
| 1348 | break; |
| 1349 | |
| 1350 | case GeomAbs_Cylinder: |
| 1351 | Quad1.SetValue(theS1->Cylinder()); |
| 1352 | break; |
| 1353 | |
| 1354 | case GeomAbs_Sphere: |
| 1355 | Quad1.SetValue(theS1->Sphere()); |
| 1356 | break; |
| 1357 | |
| 1358 | case GeomAbs_Cone: |
| 1359 | Quad1.SetValue(theS1->Cone()); |
| 1360 | break; |
| 1361 | |
| 1362 | case GeomAbs_Torus: |
| 1363 | Quad1.SetValue(theS1->Torus()); |
| 1364 | break; |
| 1365 | |
| 1366 | default: |
| 1367 | break; |
| 1368 | } |
| 1369 | |
| 1370 | switch(typs2) |
| 1371 | { |
| 1372 | case GeomAbs_Plane: |
| 1373 | Quad2.SetValue(theS2->Plane()); |
| 1374 | break; |
| 1375 | case GeomAbs_Cylinder: |
| 1376 | Quad2.SetValue(theS2->Cylinder()); |
| 1377 | break; |
| 1378 | |
| 1379 | case GeomAbs_Sphere: |
| 1380 | Quad2.SetValue(theS2->Sphere()); |
| 1381 | break; |
| 1382 | |
| 1383 | case GeomAbs_Cone: |
| 1384 | Quad2.SetValue(theS2->Cone()); |
| 1385 | break; |
| 1386 | |
| 1387 | case GeomAbs_Torus: |
| 1388 | Quad2.SetValue(theS2->Torus()); |
| 1389 | break; |
| 1390 | |
| 1391 | default: |
| 1392 | break; |
| 1393 | } |
| 1394 | |
| 1395 | IntPatch_ALineToWLine AToW(Quad1,Quad2,0.01,0.05,aNbPointsInALine); |
| 1396 | Handle(IntPatch_Line) wlin=AToW.MakeWLine((*((Handle_IntPatch_ALine *)(&line)))); |
| 1397 | slin.Append(wlin); |
| 1398 | } |
| 1399 | else |
| 1400 | slin.Append(interii.Line(i)); |
| 1401 | } |
| 1402 | |
| 1403 | for (Standard_Integer i = 1; i <= interii.NbPnts(); i++) |
| 1404 | { |
| 1405 | spnt.Append(interii.Point(i)); |
| 1406 | } |
| 1407 | } |
| 1408 | } |
| 1409 | else |
| 1410 | ParamParamPerfom(theS1, theD1, theS2, theD2, TolArc, TolTang, ListOfPnts, RestrictLine, typs1, typs2); |
| 1411 | } |
| 1412 | |
| 1413 | //======================================================================= |
| 1414 | ////function : GeomParamPerfom |
| 1415 | //purpose : |
| 1416 | //======================================================================= |
| 1417 | void IntPatch_Intersection::GeomParamPerfom(const Handle(Adaptor3d_HSurface)& theS1, |
| 1418 | const Handle(Adaptor3d_TopolTool)& theD1, |
| 1419 | const Handle(Adaptor3d_HSurface)& theS2, |
| 1420 | const Handle(Adaptor3d_TopolTool)& theD2, |
| 1421 | const Standard_Boolean isNotAnalitical, |
| 1422 | const GeomAbs_SurfaceType typs1, |
| 1423 | const GeomAbs_SurfaceType typs2) |
| 1424 | { |
| 1425 | IntPatch_ImpPrmIntersection interip; |
| 1426 | if (myIsStartPnt) |
| 1427 | { |
| 1428 | if (isNotAnalitical/*ts1 == 0*/) |
| 1429 | interip.SetStartPoint(myU1Start,myV1Start); |
| 1430 | else |
| 1431 | interip.SetStartPoint(myU2Start,myV2Start); |
| 1432 | } |
| 1433 | |
| 1434 | if(theD1->DomainIsInfinite() && theD2->DomainIsInfinite()) |
| 1435 | { |
| 1436 | Standard_Boolean IsPLInt = Standard_False; |
| 1437 | TColgp_SequenceOfPnt sop; |
| 1438 | gp_Vec v; |
| 1439 | FUN_PL_Intersection(theS1,typs1,theS2,typs2,IsPLInt,sop,v); |
| 1440 | |
| 1441 | if(IsPLInt) |
| 1442 | { |
| 1443 | if(sop.Length() > 0) |
| 1444 | { |
| 1445 | for(Standard_Integer ip = 1; ip <= sop.Length(); ip++) |
| 1446 | { |
| 1447 | gp_Lin lin(sop.Value(ip),gp_Dir(v)); |
| 1448 | Handle(IntPatch_GLine) gl = new IntPatch_GLine(lin,Standard_False); |
| 1449 | slin.Append(*(Handle_IntPatch_Line *)&gl); |
| 1450 | } |
| 1451 | |
| 1452 | done = Standard_True; |
| 1453 | } |
| 1454 | else |
| 1455 | done = Standard_False; |
| 1456 | |
| 1457 | return; |
| 1458 | } |
| 1459 | else |
| 1460 | { |
| 1461 | Handle(Adaptor3d_HSurface) nS1 = theS1; |
| 1462 | Handle(Adaptor3d_HSurface) nS2 = theS2; |
| 1463 | FUN_TrimBothSurf(theS1,typs1,theS2,typs2,1.e+5,nS1,nS2); |
| 1464 | interip.Perform(nS1,theD1,nS2,theD2,myTolArc,myTolTang,myFleche,myUVMaxStep); |
| 1465 | } |
| 1466 | } |
| 1467 | else |
| 1468 | interip.Perform(theS1,theD1,theS2,theD2,myTolArc,myTolTang,myFleche,myUVMaxStep); |
| 1469 | |
| 1470 | if (interip.IsDone()) |
| 1471 | { |
| 1472 | done = Standard_True; |
| 1473 | empt = interip.IsEmpty(); |
| 1474 | |
| 1475 | if (!empt) |
| 1476 | { |
| 1477 | for(Standard_Integer i = 1; i <= interip.NbLines(); i++) |
| 1478 | { |
| 1479 | if(interip.Line(i)->ArcType() != IntPatch_Walking) |
| 1480 | slin.Append(interip.Line(i)); |
| 1481 | } |
| 1482 | |
| 1483 | for(Standard_Integer i = 1; i <= interip.NbLines(); i++) |
| 1484 | { |
| 1485 | if(interip.Line(i)->ArcType() == IntPatch_Walking) |
| 1486 | slin.Append(interip.Line(i)); |
| 1487 | } |
| 1488 | |
| 1489 | for (Standard_Integer i = 1; i <= interip.NbPnts(); i++) |
| 1490 | spnt.Append(interip.Point(i)); |
| 1491 | } |
| 1492 | } |
| 1493 | } |
| 1494 | |
| 1495 | |
| 1496 | void IntPatch_Intersection::Perform(const Handle(Adaptor3d_HSurface)& S1, |
| 1497 | const Handle(Adaptor3d_TopolTool)& D1, |
| 1498 | const Handle(Adaptor3d_HSurface)& S2, |
| 1499 | const Handle(Adaptor3d_TopolTool)& D2, |
| 1500 | const Standard_Real U1, |
| 1501 | const Standard_Real V1, |
| 1502 | const Standard_Real U2, |
| 1503 | const Standard_Real V2, |
| 1504 | const Standard_Real TolArc, |
| 1505 | const Standard_Real TolTang) |
| 1506 | { |
| 1507 | myTolArc = TolArc; |
| 1508 | myTolTang = TolTang; |
| 1509 | if(myFleche == 0.0) { |
| 1510 | #if DEBUG |
| 1511 | //cout<<" -- IntPatch_Intersection::myFleche fixe par defaut a 0.01 --"<<endl; |
| 1512 | //cout<<" -- Utiliser la Methode SetTolerances( ... ) "<<endl; |
| 1513 | #endif |
| 1514 | myFleche = 0.01; |
| 1515 | } |
| 1516 | if(myUVMaxStep==0.0) { |
| 1517 | #if DEBUG |
| 1518 | //cout<<" -- IntPatch_Intersection::myUVMaxStep fixe par defaut a 0.01 --"<<endl; |
| 1519 | //cout<<" -- Utiliser la Methode SetTolerances( ... ) "<<endl; |
| 1520 | #endif |
| 1521 | myUVMaxStep = 0.01; |
| 1522 | } |
| 1523 | |
| 1524 | done = Standard_False; |
| 1525 | spnt.Clear(); |
| 1526 | slin.Clear(); |
| 1527 | |
| 1528 | empt = Standard_True; |
| 1529 | tgte = Standard_False; |
| 1530 | oppo = Standard_False; |
| 1531 | |
| 1532 | const GeomAbs_SurfaceType typs1 = S1->GetType(); |
| 1533 | const GeomAbs_SurfaceType typs2 = S2->GetType(); |
| 1534 | |
| 1535 | if( typs1==GeomAbs_Plane |
| 1536 | || typs1==GeomAbs_Cylinder |
| 1537 | || typs1==GeomAbs_Sphere |
| 1538 | || typs1==GeomAbs_Cone |
| 1539 | || typs2==GeomAbs_Plane |
| 1540 | || typs2==GeomAbs_Cylinder |
| 1541 | || typs2==GeomAbs_Sphere |
| 1542 | || typs2==GeomAbs_Cone) |
| 1543 | { |
| 1544 | myIsStartPnt = Standard_True; |
| 1545 | myU1Start = U1; myV1Start = V1; myU2Start = U2; myV2Start = V2; |
| 1546 | Perform(S1,D1,S2,D2,TolArc,TolTang); |
| 1547 | myIsStartPnt = Standard_False; |
| 1548 | } |
| 1549 | else |
| 1550 | { |
| 1551 | IntPatch_PrmPrmIntersection interpp; |
| 1552 | interpp.Perform(S1,D1,S2,D2,U1,V1,U2,V2,TolArc,TolTang,myFleche,myUVMaxStep); |
| 1553 | if (interpp.IsDone()) |
| 1554 | { |
| 1555 | done = Standard_True; |
| 1556 | tgte = Standard_False; |
| 1557 | empt = interpp.IsEmpty(); |
| 1558 | const Standard_Integer nblm = interpp.NbLines(); |
| 1559 | Standard_Integer i = 1; |
| 1560 | for (; i<=nblm; i++) slin.Append(interpp.Line(i)); |
| 1561 | } |
| 1562 | } |
| 1563 | } |
| 1564 | //====================================================================== |
| 1565 | #include <IntPatch_IType.hxx> |
| 1566 | #include <IntPatch_LineConstructor.hxx> |
| 1567 | #include <Handle_Adaptor2d_HCurve2d.hxx> |
| 1568 | #define MAXR 200 |
| 1569 | |
| 1570 | |
| 1571 | //void IntPatch_Intersection__MAJ_R(Handle_Adaptor2d_HCurve2d *R1, |
| 1572 | // Handle_Adaptor2d_HCurve2d *R2, |
| 1573 | // int *NR1, |
| 1574 | // int *NR2, |
| 1575 | // Standard_Integer nbR1, |
| 1576 | // Standard_Integer nbR2, |
| 1577 | // const IntPatch_Point& VTX) |
| 1578 | void IntPatch_Intersection__MAJ_R(Handle_Adaptor2d_HCurve2d *, |
| 1579 | Handle_Adaptor2d_HCurve2d *, |
| 1580 | int *, |
| 1581 | int *, |
| 1582 | Standard_Integer , |
| 1583 | Standard_Integer , |
| 1584 | const IntPatch_Point& ) |
| 1585 | { |
| 1586 | /* |
| 1587 | if(VTX.IsOnDomS1()) { |
| 1588 | |
| 1589 | //-- long unsigned ptr= *((long unsigned *)(((Handle_Standard_Transient *)(&(VTX.ArcOnS1()))))); |
| 1590 | for(Standard_Integer i=0; i<nbR1;i++) { |
| 1591 | if(VTX.ArcOnS1()==R1[i]) { |
| 1592 | NR1[i]++; |
| 1593 | printf("\n ******************************"); |
| 1594 | return; |
| 1595 | } |
| 1596 | } |
| 1597 | printf("\n R Pas trouvee (IntPatch)\n"); |
| 1598 | |
| 1599 | } |
| 1600 | */ |
| 1601 | } |
| 1602 | |
| 1603 | |
| 1604 | //void IntPatch_Intersection::Dump(const Standard_Integer Mode, |
| 1605 | void IntPatch_Intersection::Dump(const Standard_Integer , |
| 1606 | const Handle(Adaptor3d_HSurface)& S1, |
| 1607 | const Handle(Adaptor3d_TopolTool)& D1, |
| 1608 | const Handle(Adaptor3d_HSurface)& S2, |
| 1609 | const Handle(Adaptor3d_TopolTool)& D2) const |
| 1610 | { |
| 1611 | |
| 1612 | //-- ---------------------------------------------------------------------- |
| 1613 | //-- construction de la liste des restrictions & vertex |
| 1614 | //-- |
| 1615 | int NR1[MAXR],NR2[MAXR]; |
| 1616 | Handle_Adaptor2d_HCurve2d R1[MAXR],R2[MAXR]; |
| 1617 | Standard_Integer nbR1=0,nbR2=0; |
| 1618 | for(D1->Init();D1->More() && nbR1<MAXR; D1->Next()) { |
| 1619 | R1[nbR1]=D1->Value(); |
| 1620 | NR1[nbR1]=0; |
| 1621 | nbR1++; |
| 1622 | } |
| 1623 | for(D2->Init();D2->More() && nbR2<MAXR; D2->Next()) { |
| 1624 | R2[nbR2]=D2->Value(); |
| 1625 | NR2[nbR2]=0; |
| 1626 | nbR2++; |
| 1627 | } |
| 1628 | |
| 1629 | printf("\nDUMP_INT: ----empt:%2ud tgte:%2ud oppo:%2ud ---------------------------------",empt,tgte,empt); |
| 1630 | Standard_Integer i,j,nbr1,nbr2,nbgl,nbgc,nbge,nbgp,nbgh,nbl,nbr,nbg,nbw,nba; |
| 1631 | nbl=nbr=nbg=nbw=nba=nbgl=nbge=nbr1=nbr2=nbgc=nbgp=nbgh=0; |
| 1632 | nbl=NbLines(); |
| 1633 | for(i=1;i<=nbl;i++) { |
| 1634 | const Handle(IntPatch_Line)& line=Line(i); |
| 1635 | const IntPatch_IType IType=line->ArcType(); |
| 1636 | if(IType == IntPatch_Walking) nbw++; |
| 1637 | else if(IType == IntPatch_Restriction) { |
| 1638 | nbr++; |
| 1639 | Handle(IntPatch_RLine)& rlin = |
| 1640 | *((Handle(IntPatch_RLine) *)&line); |
| 1641 | if(rlin->IsArcOnS1()) nbr1++; |
| 1642 | if(rlin->IsArcOnS2()) nbr2++; |
| 1643 | } |
| 1644 | else if(IType == IntPatch_Analytic) nba++; |
| 1645 | else { nbg++; |
| 1646 | if(IType == IntPatch_Lin) nbgl++; |
| 1647 | else if(IType == IntPatch_Circle) nbgc++; |
| 1648 | else if(IType == IntPatch_Parabola) nbgp++; |
| 1649 | else if(IType == IntPatch_Hyperbola) nbgh++; |
| 1650 | else if(IType == IntPatch_Ellipse) nbge++; |
| 1651 | } |
| 1652 | } |
| 1653 | |
| 1654 | |
| 1655 | printf("\nDUMP_INT:Lines:%2d Wlin:%2d Restr:%2d(On1:%2d On2:%2d) Ana:%2d Geom:%2d(L:%2d C:%2d E:%2d H:%2d P:%2d)", |
| 1656 | nbl,nbw,nbr,nbr1,nbr2,nba,nbg,nbgl,nbgc,nbge,nbgh,nbgp); |
| 1657 | |
| 1658 | IntPatch_LineConstructor LineConstructor(2); |
| 1659 | |
| 1660 | Standard_Integer nbllc=0; |
| 1661 | nbw=nbr=nbg=nba=0; |
| 1662 | Standard_Integer nbva,nbvw,nbvr,nbvg; |
| 1663 | nbva=nbvr=nbvw=nbvg=0; |
| 1664 | for (j=1; j<=nbl; j++) { |
| 1665 | Standard_Integer v,nbvtx; |
| 1666 | const Handle(IntPatch_Line)& intersLinej = Line(j); |
| 1667 | Standard_Integer NbLines; |
| 1668 | LineConstructor.Perform(SequenceOfLine(),intersLinej,S1,D1,S2,D2,1e-7); |
| 1669 | NbLines = LineConstructor.NbLines(); |
| 1670 | |
| 1671 | for(Standard_Integer k=1;k<=NbLines;k++) { |
| 1672 | nbllc++; |
| 1673 | const Handle(IntPatch_Line)& LineK = LineConstructor.Line(k); |
| 1674 | if (LineK->ArcType() == IntPatch_Analytic) { |
| 1675 | Handle(IntPatch_ALine)& alin = |
| 1676 | *((Handle(IntPatch_ALine) *)&LineK); |
| 1677 | nbvtx=alin->NbVertex(); |
| 1678 | nbva+=nbvtx; nba++; |
| 1679 | for(v=1;v<=nbvtx;v++) { |
| 1680 | IntPatch_Intersection__MAJ_R(R1,R2,NR1,NR2,nbR1,nbR2,alin->Vertex(v)); |
| 1681 | } |
| 1682 | } |
| 1683 | else if (LineK->ArcType() == IntPatch_Restriction) { |
| 1684 | Handle(IntPatch_RLine)& rlin = |
| 1685 | *((Handle(IntPatch_RLine) *)&LineK); |
| 1686 | nbvtx=rlin->NbVertex(); |
| 1687 | nbvr+=nbvtx; nbr++; |
| 1688 | for(v=1;v<=nbvtx;v++) { |
| 1689 | IntPatch_Intersection__MAJ_R(R1,R2,NR1,NR2,nbR1,nbR2,rlin->Vertex(v)); |
| 1690 | } |
| 1691 | } |
| 1692 | else if (LineK->ArcType() == IntPatch_Walking) { |
| 1693 | Handle(IntPatch_WLine)& wlin = |
| 1694 | *((Handle(IntPatch_WLine) *)&LineK); |
| 1695 | nbvtx=wlin->NbVertex(); |
| 1696 | nbvw+=nbvtx; nbw++; |
| 1697 | for(v=1;v<=nbvtx;v++) { |
| 1698 | IntPatch_Intersection__MAJ_R(R1,R2,NR1,NR2,nbR1,nbR2,wlin->Vertex(v)); |
| 1699 | } |
| 1700 | } |
| 1701 | else { |
| 1702 | Handle(IntPatch_GLine)& glin = |
| 1703 | *((Handle(IntPatch_GLine) *)&LineK); |
| 1704 | nbvtx=glin->NbVertex(); |
| 1705 | nbvg+=nbvtx; nbg++; |
| 1706 | for(v=1;v<=nbvtx;v++) { |
| 1707 | IntPatch_Intersection__MAJ_R(R1,R2,NR1,NR2,nbR1,nbR2,glin->Vertex(v)); |
| 1708 | } |
| 1709 | } |
| 1710 | } |
| 1711 | } |
| 1712 | printf("\nDUMP_LC :Lines:%2d WLin:%2d Restr:%2d Ana:%2d Geom:%2d", |
| 1713 | nbllc,nbw,nbr,nba,nbg); |
| 1714 | printf("\nDUMP_LC :vtx :%2d r:%2d :%2d :%2d", |
| 1715 | nbvw,nbvr,nbva,nbvg); |
| 1716 | |
| 1717 | |
| 1718 | |
| 1719 | printf("\n"); |
| 1720 | } |