| 1 | // Created on: 1993-02-05 |
| 2 | // Created by: Jacques GOUSSARD |
| 3 | // Copyright (c) 1993-1999 Matra Datavision |
| 4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
| 5 | // |
| 6 | // This file is part of Open CASCADE Technology software library. |
| 7 | // |
| 8 | // This library is free software; you can redistribute it and/or modify it under |
| 9 | // the terms of the GNU Lesser General Public License version 2.1 as published |
| 10 | // by the Free Software Foundation, with special exception defined in the file |
| 11 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
| 12 | // distribution for complete text of the license and disclaimer of any warranty. |
| 13 | // |
| 14 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 15 | // commercial license or contractual agreement. |
| 16 | |
| 17 | |
| 18 | #include <Adaptor3d_HSurface.hxx> |
| 19 | #include <Adaptor3d_HSurfaceTool.hxx> |
| 20 | #include <Adaptor3d_TopolTool.hxx> |
| 21 | #include <Bnd_Box.hxx> |
| 22 | #include <BndLib_AddSurface.hxx> |
| 23 | #include <Contap_ContAna.hxx> |
| 24 | #include <Contap_Contour.hxx> |
| 25 | #include <Contap_HContTool.hxx> |
| 26 | #include <Contap_HCurve2dTool.hxx> |
| 27 | #include <Contap_Line.hxx> |
| 28 | #include <Contap_SurfFunction.hxx> |
| 29 | #include <Contap_SurfProps.hxx> |
| 30 | #include <Contap_TheIWalking.hxx> |
| 31 | #include <Contap_ThePathPointOfTheSearch.hxx> |
| 32 | #include <Contap_TheSegmentOfTheSearch.hxx> |
| 33 | #include <ElCLib.hxx> |
| 34 | #include <ElSLib.hxx> |
| 35 | #include <gp_Pnt.hxx> |
| 36 | #include <gp_Vec.hxx> |
| 37 | #include <IntSurf.hxx> |
| 38 | #include <IntSurf_InteriorPoint.hxx> |
| 39 | #include <IntSurf_SequenceOfPathPoint.hxx> |
| 40 | #include <math_FunctionSetRoot.hxx> |
| 41 | #include <Standard_ConstructionError.hxx> |
| 42 | #include <Standard_OutOfRange.hxx> |
| 43 | #include <StdFail_NotDone.hxx> |
| 44 | #include <TColStd_Array1OfInteger.hxx> |
| 45 | #include <TopTrans_CurveTransition.hxx> |
| 46 | |
| 47 | #define Tolpetit 1.e-10 // pour dist au carre |
| 48 | |
| 49 | #define tole 5.e-6 |
| 50 | |
| 51 | Contap_Contour::Contap_Contour () : |
| 52 | done(Standard_False),modeset(Standard_False) |
| 53 | {} |
| 54 | |
| 55 | Contap_Contour::Contap_Contour (const gp_Vec& Direction) : |
| 56 | |
| 57 | done(Standard_False),modeset(Standard_True) |
| 58 | { |
| 59 | mySFunc.Set(Direction); |
| 60 | myAFunc.Set(Direction); |
| 61 | } |
| 62 | |
| 63 | |
| 64 | Contap_Contour::Contap_Contour (const gp_Vec& Direction, |
| 65 | const Standard_Real Angle) : |
| 66 | |
| 67 | done(Standard_False),modeset(Standard_True) |
| 68 | { |
| 69 | mySFunc.Set(Direction,Angle); |
| 70 | myAFunc.Set(Direction,Angle); |
| 71 | } |
| 72 | |
| 73 | Contap_Contour::Contap_Contour (const gp_Pnt& Eye) : |
| 74 | |
| 75 | done(Standard_False),modeset(Standard_True) |
| 76 | { |
| 77 | mySFunc.Set(Eye); |
| 78 | myAFunc.Set(Eye); |
| 79 | } |
| 80 | |
| 81 | |
| 82 | Contap_Contour::Contap_Contour (const Handle(Adaptor3d_HSurface)& Surf, |
| 83 | const Handle(Adaptor3d_TopolTool)& Domain, |
| 84 | const gp_Vec& Direction) : |
| 85 | |
| 86 | done(Standard_False),modeset(Standard_True) |
| 87 | { |
| 88 | Perform(Surf,Domain,Direction); |
| 89 | } |
| 90 | |
| 91 | |
| 92 | Contap_Contour::Contap_Contour (const Handle(Adaptor3d_HSurface)& Surf, |
| 93 | const Handle(Adaptor3d_TopolTool)& Domain, |
| 94 | const gp_Vec& Direction, |
| 95 | const Standard_Real Angle) : |
| 96 | |
| 97 | done(Standard_False),modeset(Standard_True) |
| 98 | { |
| 99 | Perform(Surf,Domain,Direction,Angle); |
| 100 | } |
| 101 | |
| 102 | |
| 103 | Contap_Contour::Contap_Contour (const Handle(Adaptor3d_HSurface)& Surf, |
| 104 | const Handle(Adaptor3d_TopolTool)& Domain, |
| 105 | const gp_Pnt& Eye) : |
| 106 | |
| 107 | done(Standard_False),modeset(Standard_True) |
| 108 | { |
| 109 | Perform(Surf,Domain,Eye); |
| 110 | } |
| 111 | |
| 112 | |
| 113 | void Contap_Contour::Init (const gp_Vec& Direction) |
| 114 | |
| 115 | { |
| 116 | done = Standard_False; |
| 117 | modeset = Standard_True; |
| 118 | mySFunc.Set(Direction); |
| 119 | myAFunc.Set(Direction); |
| 120 | } |
| 121 | |
| 122 | |
| 123 | void Contap_Contour::Init(const gp_Vec& Direction, |
| 124 | const Standard_Real Angle) |
| 125 | { |
| 126 | done = Standard_False; |
| 127 | modeset = Standard_True; |
| 128 | mySFunc.Set(Direction,Angle); |
| 129 | myAFunc.Set(Direction,Angle); |
| 130 | } |
| 131 | |
| 132 | void Contap_Contour::Init (const gp_Pnt& Eye) |
| 133 | { |
| 134 | done = Standard_False; |
| 135 | modeset = Standard_True; |
| 136 | mySFunc.Set(Eye); |
| 137 | myAFunc.Set(Eye); |
| 138 | } |
| 139 | |
| 140 | |
| 141 | void Contap_Contour::Perform (const Handle(Adaptor3d_HSurface)& Surf, |
| 142 | const Handle(Adaptor3d_TopolTool)& Domain) |
| 143 | { |
| 144 | if (!modeset) {Standard_ConstructionError::Raise();} |
| 145 | mySFunc.Set(Surf); |
| 146 | myAFunc.Set(Surf); |
| 147 | |
| 148 | GeomAbs_SurfaceType typS = Adaptor3d_HSurfaceTool::GetType(Surf); |
| 149 | switch (typS) { |
| 150 | case GeomAbs_Plane: |
| 151 | case GeomAbs_Sphere: |
| 152 | case GeomAbs_Cylinder: |
| 153 | case GeomAbs_Cone: |
| 154 | { |
| 155 | PerformAna(Domain); //Surf,Domain,Direction,0.,gp_Pnt(0.,0.,0.),1); |
| 156 | } |
| 157 | break; |
| 158 | |
| 159 | default: |
| 160 | { |
| 161 | Perform(Domain); //Surf,Domain,Direction,0.,gp_Pnt(0.,0.,0.),1); |
| 162 | } |
| 163 | break; |
| 164 | } |
| 165 | |
| 166 | } |
| 167 | |
| 168 | |
| 169 | void Contap_Contour::Perform (const Handle(Adaptor3d_HSurface)& Surf, |
| 170 | const Handle(Adaptor3d_TopolTool)& Domain, |
| 171 | const gp_Vec& Direction) |
| 172 | |
| 173 | { |
| 174 | Init(Direction); |
| 175 | Perform(Surf,Domain); |
| 176 | } |
| 177 | |
| 178 | void Contap_Contour::Perform (const Handle(Adaptor3d_HSurface)& Surf, |
| 179 | const Handle(Adaptor3d_TopolTool)& Domain, |
| 180 | const gp_Vec& Direction, |
| 181 | const Standard_Real Angle) |
| 182 | |
| 183 | { |
| 184 | Init(Direction,Angle); |
| 185 | Perform(Surf,Domain); |
| 186 | } |
| 187 | |
| 188 | |
| 189 | void Contap_Contour::Perform (const Handle(Adaptor3d_HSurface)& Surf, |
| 190 | const Handle(Adaptor3d_TopolTool)& Domain, |
| 191 | const gp_Pnt& Eye) |
| 192 | |
| 193 | { |
| 194 | Init(Eye); |
| 195 | Perform(Surf,Domain); |
| 196 | } |
| 197 | |
| 198 | static IntSurf_TypeTrans ComputeTransitionOnLine |
| 199 | (Contap_SurfFunction&, |
| 200 | const Standard_Real, |
| 201 | const Standard_Real, |
| 202 | const gp_Vec&); |
| 203 | |
| 204 | |
| 205 | static IntSurf_TypeTrans ComputeTransitionOngpCircle |
| 206 | (Contap_SurfFunction&, |
| 207 | const gp_Circ&); |
| 208 | |
| 209 | |
| 210 | static IntSurf_TypeTrans ComputeTransitionOngpLine |
| 211 | (Contap_SurfFunction&, |
| 212 | const gp_Lin&); |
| 213 | |
| 214 | |
| 215 | static void ComputeInternalPoints |
| 216 | (Contap_Line& Line, |
| 217 | Contap_SurfFunction&, |
| 218 | const Standard_Real ureso, |
| 219 | const Standard_Real vreso); |
| 220 | |
| 221 | |
| 222 | static void ComputeInternalPointsOnRstr |
| 223 | (Contap_Line&, |
| 224 | const Standard_Real, |
| 225 | const Standard_Real, |
| 226 | Contap_SurfFunction&); |
| 227 | |
| 228 | static void ProcessSegments (const Contap_TheSearch&, |
| 229 | Contap_TheSequenceOfLine&, |
| 230 | const Standard_Real, |
| 231 | Contap_SurfFunction&, |
| 232 | const Handle(Adaptor3d_TopolTool)&); |
| 233 | |
| 234 | //-- -------------------------------------------------------------------------------- |
| 235 | //-- Recherche des portions utiles sur les lignes |
| 236 | |
| 237 | |
| 238 | static void Recadre(const Handle(Adaptor3d_HSurface)& myHS1, |
| 239 | Standard_Real& u1, |
| 240 | Standard_Real& v1) { |
| 241 | Standard_Real f,l,lmf; |
| 242 | GeomAbs_SurfaceType typs1 = myHS1->GetType(); |
| 243 | |
| 244 | Standard_Boolean myHS1IsUPeriodic,myHS1IsVPeriodic; |
| 245 | switch (typs1) { |
| 246 | case GeomAbs_Cylinder: |
| 247 | case GeomAbs_Cone: |
| 248 | case GeomAbs_Sphere: |
| 249 | { |
| 250 | myHS1IsUPeriodic = Standard_True; |
| 251 | myHS1IsVPeriodic = Standard_False; |
| 252 | break; |
| 253 | } |
| 254 | case GeomAbs_Torus: |
| 255 | { |
| 256 | myHS1IsUPeriodic = myHS1IsVPeriodic = Standard_True; |
| 257 | break; |
| 258 | } |
| 259 | default: |
| 260 | { |
| 261 | myHS1IsUPeriodic = myHS1IsVPeriodic = Standard_False; |
| 262 | break; |
| 263 | } |
| 264 | } |
| 265 | if(myHS1IsUPeriodic) { |
| 266 | lmf = M_PI+M_PI; //-- myHS1->UPeriod(); |
| 267 | f = myHS1->FirstUParameter(); |
| 268 | l = myHS1->LastUParameter(); |
| 269 | while(u1 < f) { u1+=lmf; } |
| 270 | while(u1 > l) { u1-=lmf; } |
| 271 | } |
| 272 | if(myHS1IsVPeriodic) { |
| 273 | lmf = M_PI+M_PI; //-- myHS1->VPeriod(); |
| 274 | f = myHS1->FirstVParameter(); |
| 275 | l = myHS1->LastVParameter(); |
| 276 | while(v1 < f) { v1+=lmf; } |
| 277 | while(v1 > l) { v1-=lmf; } |
| 278 | } |
| 279 | } |
| 280 | |
| 281 | |
| 282 | static void LineConstructor(Contap_TheSequenceOfLine& slin, |
| 283 | const Handle(Adaptor3d_TopolTool)& Domain, |
| 284 | Contap_Line& L, |
| 285 | const Handle(Adaptor3d_HSurface)& Surf) { |
| 286 | |
| 287 | //-- ------------------------------------------------------------ |
| 288 | //-- on decoupe la ligne en portions entre 2 vertex |
| 289 | Standard_Real Tol = Precision::PConfusion(); |
| 290 | Contap_IType typl = L.TypeContour(); |
| 291 | //-- cout<<"\n ----------- Ligne Constructor "<<endl; |
| 292 | if(typl == Contap_Walking) { |
| 293 | Standard_Real u1,v1,u2,v2; |
| 294 | Standard_Integer nbvtx = L.NbVertex(); |
| 295 | //-- cout<<" WLine -> "<<nbvtx<<" vtx"<<endl; |
| 296 | for(Standard_Integer i=1;i<nbvtx;i++) { |
| 297 | Standard_Integer firstp = (Standard_Integer) L.Vertex(i).ParameterOnLine(); |
| 298 | Standard_Integer lastp = (Standard_Integer) L.Vertex(i+1).ParameterOnLine(); |
| 299 | if(firstp!=lastp) { |
| 300 | Standard_Integer pmid = (firstp+lastp)/2; //-- entiers |
| 301 | const IntSurf_PntOn2S& Pmid = L.Point(pmid); |
| 302 | Pmid.Parameters(u1,v1,u2,v2); |
| 303 | Recadre(Surf,u2,v2); |
| 304 | TopAbs_State in2 = Domain->Classify(gp_Pnt2d(u2,v2),Tol); |
| 305 | if(in2 == TopAbs_OUT) { |
| 306 | } |
| 307 | else { |
| 308 | //-- cout<<"ContapWLine : firtsp="<<firstp<<" lastp="<<lastp<<" Vtx:"<<i<<","<<i+1<<endl; |
| 309 | Handle(IntSurf_LineOn2S) LineOn2S = new IntSurf_LineOn2S(); |
| 310 | Contap_Line Line; |
| 311 | for(Standard_Integer j=firstp; j<=lastp; j++) { |
| 312 | LineOn2S->Add(L.Point(j)); |
| 313 | } |
| 314 | Line.SetLineOn2S(LineOn2S); |
| 315 | Contap_Point pvtx = L.Vertex(i); |
| 316 | pvtx.SetParameter(1); |
| 317 | Line.Add(pvtx); |
| 318 | |
| 319 | pvtx = L.Vertex(i+1); |
| 320 | pvtx.SetParameter(lastp-firstp+1); |
| 321 | Line.Add(pvtx); |
| 322 | Line.SetTransitionOnS(L.TransitionOnS()); |
| 323 | slin.Append(Line); |
| 324 | } |
| 325 | } |
| 326 | } |
| 327 | } |
| 328 | else if(typl==Contap_Lin) { |
| 329 | Standard_Real u2,v2;// u1,v1; |
| 330 | Standard_Integer nbvtx = L.NbVertex(); |
| 331 | //-- cout<<" Lin -> "<<nbvtx<<" vtx"<<endl; |
| 332 | for(Standard_Integer i=1;i<nbvtx;i++) { |
| 333 | Standard_Real firstp = L.Vertex(i).ParameterOnLine(); |
| 334 | Standard_Real lastp = L.Vertex(i+1).ParameterOnLine(); |
| 335 | if(firstp!=lastp) { |
| 336 | Standard_Real pmid = (firstp+lastp)*0.5; |
| 337 | gp_Pnt Pmid = ElCLib::Value(pmid,L.Line()); |
| 338 | if(Adaptor3d_HSurfaceTool::GetType(Surf)==GeomAbs_Cylinder) { |
| 339 | ElSLib::Parameters(Adaptor3d_HSurfaceTool::Cylinder(Surf),Pmid,u2,v2); |
| 340 | } |
| 341 | else if(Adaptor3d_HSurfaceTool::GetType(Surf)==GeomAbs_Cone) { |
| 342 | ElSLib::Parameters(Adaptor3d_HSurfaceTool::Cone(Surf),Pmid,u2,v2); |
| 343 | } |
| 344 | else { |
| 345 | //-- cout<<" Pb ds Contap_ContourGen_2.gxx (type)"<<endl; |
| 346 | } |
| 347 | |
| 348 | Recadre(Surf,u2,v2); |
| 349 | TopAbs_State in2 = Domain->Classify(gp_Pnt2d(u2,v2),Tol); |
| 350 | if(in2 == TopAbs_OUT) { |
| 351 | } |
| 352 | else { |
| 353 | //-- cout<<"Contap Lin : firtsp="<<firstp<<" lastp="<<lastp<<" Vtx:"<<i<<","<<i+1<<endl; |
| 354 | Contap_Line Line; |
| 355 | Line.SetValue(L.Line()); |
| 356 | Contap_Point pvtx = L.Vertex(i); |
| 357 | Line.Add(pvtx); |
| 358 | |
| 359 | pvtx = L.Vertex(i+1); |
| 360 | Line.Add(pvtx); |
| 361 | Line.SetTransitionOnS(L.TransitionOnS()); |
| 362 | slin.Append(Line); |
| 363 | } |
| 364 | } |
| 365 | } |
| 366 | } |
| 367 | else if(typl==Contap_Circle) { |
| 368 | Standard_Real u2,v2; //u1,v1, |
| 369 | Standard_Integer nbvtx = L.NbVertex(); |
| 370 | //-- cout<<" Circ -> "<<nbvtx<<" vtx"<<endl; |
| 371 | Standard_Boolean novtx = Standard_True; |
| 372 | if(nbvtx) novtx=Standard_False; |
| 373 | for(Standard_Integer i=1;i<nbvtx || novtx;i++) { |
| 374 | Standard_Real firstp=0,lastp=M_PI+M_PI; |
| 375 | if(novtx == Standard_False) { |
| 376 | firstp = L.Vertex(i).ParameterOnLine(); |
| 377 | lastp = L.Vertex(i+1).ParameterOnLine(); |
| 378 | } |
| 379 | if(Abs(firstp-lastp)>0.000000001) { |
| 380 | Standard_Real pmid = (firstp+lastp)*0.5; |
| 381 | gp_Pnt Pmid = ElCLib::Value(pmid,L.Circle()); |
| 382 | if(Adaptor3d_HSurfaceTool::GetType(Surf)==GeomAbs_Cylinder) { |
| 383 | ElSLib::Parameters(Adaptor3d_HSurfaceTool::Cylinder(Surf),Pmid,u2,v2); |
| 384 | } |
| 385 | else if(Adaptor3d_HSurfaceTool::GetType(Surf)==GeomAbs_Cone) { |
| 386 | ElSLib::Parameters(Adaptor3d_HSurfaceTool::Cone(Surf),Pmid,u2,v2); |
| 387 | } |
| 388 | else if(Adaptor3d_HSurfaceTool::GetType(Surf)==GeomAbs_Sphere) { |
| 389 | ElSLib::Parameters(Adaptor3d_HSurfaceTool::Sphere(Surf),Pmid,u2,v2); |
| 390 | } |
| 391 | else { |
| 392 | //-- cout<<" Pb ds Contap_ContourGen_2.gxx (typep)"<<endl; |
| 393 | } |
| 394 | |
| 395 | Recadre(Surf,u2,v2); |
| 396 | TopAbs_State in2 = Domain->Classify(gp_Pnt2d(u2,v2),Tol); |
| 397 | if(in2 == TopAbs_OUT) { |
| 398 | } |
| 399 | else { |
| 400 | //-- cout<<"Contap Circle : firtsp="<<firstp<<" lastp="<<lastp<<" Vtx:"<<i<<","<<i+1<<endl; |
| 401 | Contap_Line Line; |
| 402 | Line.SetValue(L.Circle()); |
| 403 | if(novtx == Standard_False) { |
| 404 | Contap_Point pvtx = L.Vertex(i); |
| 405 | Line.Add(pvtx); |
| 406 | pvtx = L.Vertex(i+1); |
| 407 | Line.Add(pvtx); |
| 408 | } |
| 409 | Line.SetTransitionOnS(L.TransitionOnS()); |
| 410 | slin.Append(Line); |
| 411 | } |
| 412 | } |
| 413 | novtx = Standard_False; |
| 414 | } |
| 415 | if(nbvtx) { |
| 416 | Standard_Real firstp = L.Vertex(nbvtx).ParameterOnLine(); |
| 417 | Standard_Real lastp = L.Vertex(1).ParameterOnLine() + M_PI+M_PI; |
| 418 | if(Abs(firstp-lastp)>0.0000000001) { |
| 419 | Standard_Real pmid = (firstp+lastp)*0.5; |
| 420 | gp_Pnt Pmid = ElCLib::Value(pmid,L.Circle()); |
| 421 | if(Adaptor3d_HSurfaceTool::GetType(Surf)==GeomAbs_Cylinder) { |
| 422 | ElSLib::Parameters(Adaptor3d_HSurfaceTool::Cylinder(Surf),Pmid,u2,v2); |
| 423 | } |
| 424 | else if(Adaptor3d_HSurfaceTool::GetType(Surf)==GeomAbs_Cone) { |
| 425 | ElSLib::Parameters(Adaptor3d_HSurfaceTool::Cone(Surf),Pmid,u2,v2); |
| 426 | } |
| 427 | else if(Adaptor3d_HSurfaceTool::GetType(Surf)==GeomAbs_Sphere) { |
| 428 | ElSLib::Parameters(Adaptor3d_HSurfaceTool::Sphere(Surf),Pmid,u2,v2); |
| 429 | } |
| 430 | else { |
| 431 | //-- cout<<" Pb ds Contap_ContourGen_2.gxx (typep)"<<endl; |
| 432 | } |
| 433 | |
| 434 | Recadre(Surf,u2,v2); |
| 435 | TopAbs_State in2 = Domain->Classify(gp_Pnt2d(u2,v2),Tol); |
| 436 | if(in2 == TopAbs_OUT) { |
| 437 | } |
| 438 | else { |
| 439 | //-- cout<<"Contap Circle *Compl* : firtsp="<<firstp<<" lastp="<<lastp<<" Vtx:"<<i<<","<<i+1<<endl; |
| 440 | Contap_Line Line; |
| 441 | Line.SetValue(L.Circle()); |
| 442 | Contap_Point pvtx = L.Vertex(nbvtx); |
| 443 | Line.Add(pvtx); |
| 444 | |
| 445 | pvtx = L.Vertex(1); pvtx.SetParameter(pvtx.ParameterOnLine()+M_PI+M_PI); |
| 446 | Line.Add(pvtx); |
| 447 | Line.SetTransitionOnS(L.TransitionOnS()); |
| 448 | slin.Append(Line); |
| 449 | } |
| 450 | } |
| 451 | } |
| 452 | } |
| 453 | else { |
| 454 | //-- cout<<" ni WLine ni Lin ni Circ "<<endl; |
| 455 | slin.Append(L); |
| 456 | } |
| 457 | //-- |
| 458 | } |
| 459 | |
| 460 | //-- -------------------------------------------------------------------------------- |
| 461 | |
| 462 | |
| 463 | |
| 464 | static void KeepInsidePoints(const Contap_TheSearchInside& solins, |
| 465 | const Contap_TheSearch& solrst, |
| 466 | Contap_SurfFunction& Func, |
| 467 | IntSurf_SequenceOfInteriorPoint& seqpins) |
| 468 | |
| 469 | { |
| 470 | Standard_Integer Nba = solrst.NbSegments(); |
| 471 | Standard_Integer Nbp,indp,inda; |
| 472 | Standard_Real U,V,paramproj; |
| 473 | gp_Pnt2d toproj,Ptproj; |
| 474 | Standard_Boolean projok,tokeep; |
| 475 | const Handle(Adaptor3d_HSurface)& Surf = Func.Surface(); |
| 476 | |
| 477 | Nbp = solins.NbPoints(); |
| 478 | for (indp=1; indp <= Nbp; indp++) { |
| 479 | tokeep = Standard_True; |
| 480 | const IntSurf_InteriorPoint& pti = solins.Value(indp); |
| 481 | pti.Parameters(U,V); |
| 482 | toproj = gp_Pnt2d(U,V); |
| 483 | for (inda = 1; inda <= Nba; inda++) { |
| 484 | const Handle(Adaptor2d_HCurve2d)& thearc = solrst.Segment(inda).Curve(); |
| 485 | projok = Contap_HContTool::Project(thearc,toproj,paramproj,Ptproj); |
| 486 | if (projok) { |
| 487 | gp_Pnt pprojete = Adaptor3d_HSurfaceTool::Value(Surf,Ptproj.X(),Ptproj.Y()); |
| 488 | if (pti.Value().Distance(pprojete) <= Precision::Confusion()) { |
| 489 | tokeep = Standard_False; |
| 490 | break; |
| 491 | } |
| 492 | } |
| 493 | } |
| 494 | if (tokeep) { |
| 495 | seqpins.Append(pti); |
| 496 | } |
| 497 | } |
| 498 | } |
| 499 | |
| 500 | |
| 501 | static void ComputeTangency (const Contap_TheSearch& solrst, |
| 502 | const Handle(Adaptor3d_TopolTool)& Domain, |
| 503 | Contap_SurfFunction& Func, |
| 504 | IntSurf_SequenceOfPathPoint& seqpdep, |
| 505 | TColStd_Array1OfInteger& Destination) |
| 506 | { |
| 507 | |
| 508 | Standard_Integer i,k; |
| 509 | Standard_Integer NbPoints = solrst.NbPoints(); |
| 510 | Standard_Integer seqlength = 0; |
| 511 | |
| 512 | Standard_Real theparam,test; |
| 513 | Standard_Boolean fairpt; |
| 514 | TopAbs_Orientation arcorien,vtxorien; |
| 515 | Standard_Boolean ispassing; |
| 516 | |
| 517 | math_Vector X(1, 2); |
| 518 | math_Vector F(1, 1); |
| 519 | math_Matrix D(1, 1, 1, 2); |
| 520 | |
| 521 | gp_Vec normale, vectg, tg3drst,v1,v2; |
| 522 | gp_Dir2d dirtg; |
| 523 | gp_Vec2d tg2drst; |
| 524 | gp_Pnt2d pt2d; |
| 525 | |
| 526 | IntSurf_PathPoint PPoint; |
| 527 | const Handle(Adaptor3d_HSurface)& Surf = Func.Surface(); |
| 528 | |
| 529 | for (i=1; i<= NbPoints; i++) { |
| 530 | |
| 531 | if (Destination(i) == 0) { |
| 532 | |
| 533 | const Contap_ThePathPointOfTheSearch& PStart = solrst.Point(i); |
| 534 | const Handle(Adaptor2d_HCurve2d)& thearc = PStart.Arc(); |
| 535 | theparam = PStart.Parameter(); |
| 536 | gp_Pnt2d Ptoproj=Contap_HCurve2dTool::Value(thearc,theparam); |
| 537 | //-- lbr le 15 mai 97 |
| 538 | //-- On elimine les points qui sont egalement present sur une restriction solution |
| 539 | Standard_Boolean SurUneRestrictionSolution = Standard_False; |
| 540 | for(Standard_Integer restriction=1; |
| 541 | SurUneRestrictionSolution==Standard_False && restriction<=solrst.NbSegments(); |
| 542 | restriction++) { |
| 543 | const Handle(Adaptor2d_HCurve2d)& thearcsol = solrst.Segment(restriction).Curve(); |
| 544 | Standard_Real paramproj; |
| 545 | gp_Pnt2d pproj; |
| 546 | Standard_Boolean projok = Contap_HContTool::Project(thearcsol,Ptoproj,paramproj,pproj); |
| 547 | if(projok) { |
| 548 | //gp_Pnt pprojete = Adaptor3d_HSurfaceTool::Value(Surf,Ptoproj.X(),Ptoproj.Y()); |
| 549 | //IFV - begin |
| 550 | gp_Pnt pprojete = Adaptor3d_HSurfaceTool::Value(Surf,pproj.X(),pproj.Y()); |
| 551 | //IFV - end |
| 552 | if ((PStart.Value()).Distance(pprojete) <= Precision::Confusion()) { |
| 553 | SurUneRestrictionSolution = Standard_True; |
| 554 | } |
| 555 | } |
| 556 | } |
| 557 | if(SurUneRestrictionSolution == Standard_False) { |
| 558 | arcorien = Domain->Orientation(thearc); |
| 559 | ispassing = (arcorien == TopAbs_INTERNAL || |
| 560 | arcorien == TopAbs_EXTERNAL); |
| 561 | |
| 562 | Contap_HCurve2dTool::D1(thearc,theparam,pt2d,tg2drst); |
| 563 | X(1) = pt2d.X(); |
| 564 | X(2) = pt2d.Y(); |
| 565 | PPoint.SetValue(PStart.Value(),X(1),X(2)); |
| 566 | |
| 567 | Func.Values(X,F,D); |
| 568 | if (Func.IsTangent()) { |
| 569 | PPoint.SetTangency(Standard_True); |
| 570 | Destination(i) = seqlength+1; |
| 571 | if (!PStart.IsNew()) { |
| 572 | const Handle(Adaptor3d_HVertex)& vtx = PStart.Vertex(); |
| 573 | for (k=i+1; k<=NbPoints; k++) { |
| 574 | if (Destination(k) ==0) { |
| 575 | const Contap_ThePathPointOfTheSearch& PStart2 = solrst.Point(k); |
| 576 | if (!PStart2.IsNew()) { |
| 577 | const Handle(Adaptor3d_HVertex)& vtx2 = PStart2.Vertex(); |
| 578 | if (Domain->Identical(vtx,vtx2)) { |
| 579 | const Handle(Adaptor2d_HCurve2d)& thearc2 = PStart2.Arc(); |
| 580 | theparam = PStart2.Parameter(); |
| 581 | arcorien = Domain->Orientation(thearc2); |
| 582 | ispassing = ispassing && (arcorien == TopAbs_INTERNAL || |
| 583 | arcorien == TopAbs_EXTERNAL); |
| 584 | |
| 585 | pt2d = Contap_HCurve2dTool::Value(thearc2,theparam); |
| 586 | X(1) = pt2d.X(); |
| 587 | X(2) = pt2d.Y(); |
| 588 | PPoint.AddUV(X(1),X(2)); |
| 589 | Destination(k) = seqlength+1; |
| 590 | } |
| 591 | } |
| 592 | } |
| 593 | } |
| 594 | } |
| 595 | PPoint.SetPassing(ispassing); |
| 596 | seqpdep.Append(PPoint); |
| 597 | seqlength++; |
| 598 | } |
| 599 | else { // on a un point de depart potentiel |
| 600 | |
| 601 | vectg = Func.Direction3d(); |
| 602 | dirtg = Func.Direction2d(); |
| 603 | |
| 604 | gp_Pnt ptbid; |
| 605 | // Adaptor3d_HSurfaceTool::D1(Surf,X(1),X(2),ptbid,v1,v2); |
| 606 | Contap_SurfProps::DerivAndNorm(Surf,X(1),X(2),ptbid,v1,v2,normale); |
| 607 | tg3drst = tg2drst.X()*v1 + tg2drst.Y()*v2; |
| 608 | // normale = v1.Crossed(v2); |
| 609 | if(normale.SquareMagnitude() < RealEpsilon()) { |
| 610 | //-- cout<<"\n*** Contap_ContourGen_2.gxx Normale Nulle en U:"<<X(1)<<" V:"<<X(2)<<endl; |
| 611 | } |
| 612 | else { |
| 613 | test = vectg.Dot(normale.Crossed(tg3drst)); |
| 614 | |
| 615 | if (PStart.IsNew()) { |
| 616 | Standard_Real tbis = vectg.Normalized().Dot(tg3drst.Normalized()); |
| 617 | if (Abs(tbis) < 1.-tole) { |
| 618 | |
| 619 | if ((test < 0. && arcorien == TopAbs_FORWARD) || |
| 620 | (test > 0. && arcorien == TopAbs_REVERSED)) { |
| 621 | vectg.Reverse(); |
| 622 | dirtg.Reverse(); |
| 623 | } |
| 624 | PPoint.SetDirections(vectg,dirtg); |
| 625 | } |
| 626 | else { // on garde le point comme point d`arret (tangent) |
| 627 | PPoint.SetTangency(Standard_True); |
| 628 | } |
| 629 | PPoint.SetPassing(ispassing); |
| 630 | Destination(i) = seqlength+1; |
| 631 | seqpdep.Append(PPoint); |
| 632 | seqlength++; |
| 633 | } |
| 634 | else { // traiter la transition complexe |
| 635 | gp_Dir bidnorm(1.,1.,1.); |
| 636 | |
| 637 | Standard_Boolean tobeverified = Standard_False; |
| 638 | TopAbs_Orientation LocTrans; |
| 639 | TopTrans_CurveTransition comptrans; |
| 640 | comptrans.Reset(vectg,bidnorm,0.); |
| 641 | if (arcorien != TopAbs_INTERNAL && |
| 642 | arcorien != TopAbs_EXTERNAL) { |
| 643 | // pour essai |
| 644 | const Handle(Adaptor3d_HVertex)& vtx = PStart.Vertex(); |
| 645 | vtxorien = Domain->Orientation(vtx); |
| 646 | test = test/(vectg.Magnitude()); |
| 647 | test = test/((normale.Crossed(tg3drst)).Magnitude()); |
| 648 | |
| 649 | if (Abs(test) <= tole) { |
| 650 | tobeverified = Standard_True; |
| 651 | LocTrans = TopAbs_EXTERNAL; // et pourquoi pas INTERNAL |
| 652 | } |
| 653 | else { |
| 654 | if ((test > 0. && arcorien == TopAbs_FORWARD) || |
| 655 | (test < 0. && arcorien == TopAbs_REVERSED)){ |
| 656 | LocTrans = TopAbs_FORWARD; |
| 657 | } |
| 658 | else { |
| 659 | LocTrans = TopAbs_REVERSED; |
| 660 | } |
| 661 | if (arcorien == TopAbs_REVERSED) {tg3drst.Reverse();} // pas deja fait ??? |
| 662 | } |
| 663 | |
| 664 | comptrans.Compare(tole,tg3drst,bidnorm,0.,LocTrans,vtxorien); |
| 665 | } |
| 666 | Destination(i) = seqlength+1; |
| 667 | for (k= i+1; k<=NbPoints; k++) { |
| 668 | if (Destination(k) == 0) { |
| 669 | const Contap_ThePathPointOfTheSearch& PStart2 = solrst.Point(k); |
| 670 | if (!PStart2.IsNew()) { |
| 671 | const Handle(Adaptor3d_HVertex)& vtx2 = PStart2.Vertex(); |
| 672 | if (Domain->Identical(PStart.Vertex(),vtx2)) { |
| 673 | const Handle(Adaptor2d_HCurve2d)& thearc2 = PStart2.Arc(); |
| 674 | theparam = PStart2.Parameter(); |
| 675 | arcorien = Domain->Orientation(thearc2); |
| 676 | |
| 677 | Contap_HCurve2dTool::D1(thearc2,theparam,pt2d,tg2drst); |
| 678 | X(1) = pt2d.X(); |
| 679 | X(2) = pt2d.Y(); |
| 680 | PPoint.AddUV(X(1),X(2)); |
| 681 | |
| 682 | if (arcorien != TopAbs_INTERNAL && |
| 683 | arcorien != TopAbs_EXTERNAL) { |
| 684 | ispassing = Standard_False; |
| 685 | tg3drst = tg2drst.X()*v1 + tg2drst.Y()*v2; |
| 686 | test = vectg.Dot(normale.Crossed(tg3drst)); |
| 687 | test = test/(vectg.Magnitude()); |
| 688 | test = test /((normale.Crossed(tg3drst)).Magnitude()); |
| 689 | |
| 690 | vtxorien = Domain->Orientation(vtx2); |
| 691 | if (Abs(test) <= tole) { |
| 692 | tobeverified = Standard_True; |
| 693 | LocTrans = TopAbs_EXTERNAL; // et pourquoi pas INTERNAL |
| 694 | } |
| 695 | else { |
| 696 | if ((test > 0. && arcorien == TopAbs_FORWARD) || |
| 697 | (test < 0. && arcorien == TopAbs_REVERSED)){ |
| 698 | LocTrans = TopAbs_FORWARD; |
| 699 | } |
| 700 | else { |
| 701 | LocTrans = TopAbs_REVERSED; |
| 702 | } |
| 703 | if (arcorien == TopAbs_REVERSED) {tg3drst.Reverse();} //deja fait???? |
| 704 | } |
| 705 | |
| 706 | comptrans.Compare(tole,tg3drst,bidnorm,0.,LocTrans,vtxorien); |
| 707 | } |
| 708 | Destination(k) = seqlength+1; |
| 709 | } |
| 710 | } |
| 711 | } |
| 712 | } |
| 713 | fairpt = Standard_True; |
| 714 | if (!ispassing) { |
| 715 | TopAbs_State Before = comptrans.StateBefore(); |
| 716 | TopAbs_State After = comptrans.StateAfter(); |
| 717 | if ((Before == TopAbs_UNKNOWN)||(After == TopAbs_UNKNOWN)) { |
| 718 | fairpt = Standard_False; |
| 719 | } |
| 720 | else if (Before == TopAbs_IN) { |
| 721 | if (After == TopAbs_IN) { |
| 722 | ispassing = Standard_True; |
| 723 | } |
| 724 | else { |
| 725 | vectg.Reverse(); |
| 726 | dirtg.Reverse(); |
| 727 | } |
| 728 | } |
| 729 | else { |
| 730 | if (After !=TopAbs_IN) { |
| 731 | fairpt = Standard_False; |
| 732 | } |
| 733 | } |
| 734 | } |
| 735 | |
| 736 | // evite de partir le long d une restriction solution |
| 737 | |
| 738 | if (fairpt && tobeverified) { |
| 739 | for (k=i; k <=NbPoints ; k++) { |
| 740 | if (Destination(k)==seqlength + 1) { |
| 741 | theparam = solrst.Point(k).Parameter(); |
| 742 | const Handle(Adaptor2d_HCurve2d)& thearc2 = solrst.Point(k).Arc(); |
| 743 | arcorien = Domain->Orientation(thearc2); |
| 744 | |
| 745 | if (arcorien == TopAbs_FORWARD || |
| 746 | arcorien == TopAbs_REVERSED) { |
| 747 | Contap_HCurve2dTool::D1(thearc2,theparam,pt2d,tg2drst); |
| 748 | tg3drst = tg2drst.X()*v1 + tg2drst.Y()*v2; |
| 749 | vtxorien = Domain->Orientation(solrst.Point(k).Vertex()); |
| 750 | if ((arcorien == TopAbs_FORWARD && |
| 751 | vtxorien == TopAbs_REVERSED) || |
| 752 | (arcorien == TopAbs_REVERSED && |
| 753 | vtxorien == TopAbs_FORWARD)) { |
| 754 | tg3drst.Reverse(); |
| 755 | } |
| 756 | test = vectg.Normalized().Dot(tg3drst.Normalized()); |
| 757 | if (test >= 1. - tole) { |
| 758 | fairpt = Standard_False; |
| 759 | break; |
| 760 | } |
| 761 | } |
| 762 | } |
| 763 | } |
| 764 | } |
| 765 | |
| 766 | if (fairpt) { |
| 767 | PPoint.SetDirections(vectg,dirtg); |
| 768 | PPoint.SetPassing(ispassing); |
| 769 | seqpdep.Append(PPoint); |
| 770 | seqlength++; |
| 771 | } |
| 772 | else { // il faut remettre en "ordre" si on ne garde pas le point. |
| 773 | for (k=i; k <=NbPoints ; k++) { |
| 774 | if (Destination(k)==seqlength + 1) { |
| 775 | Destination(k) = -Destination(k); |
| 776 | } |
| 777 | } |
| 778 | } |
| 779 | } |
| 780 | } |
| 781 | } |
| 782 | } |
| 783 | } |
| 784 | } |
| 785 | } |
| 786 | |
| 787 | |
| 788 | IntSurf_TypeTrans ComputeTransitionOnLine(Contap_SurfFunction& SFunc, |
| 789 | const Standard_Real u, |
| 790 | const Standard_Real v, |
| 791 | const gp_Vec& tgline) |
| 792 | { |
| 793 | gp_Vec d1u,d1v; |
| 794 | gp_Pnt pntbid; |
| 795 | //gp_Vec tglineuv; |
| 796 | |
| 797 | Adaptor3d_HSurfaceTool::D1(SFunc.Surface(),u,v,pntbid,d1u,d1v); |
| 798 | |
| 799 | //------------------------------------------------------ |
| 800 | //-- Calcul de la tangente dans l espace uv --- |
| 801 | //------------------------------------------------------ |
| 802 | |
| 803 | Standard_Real det,d1uT,d1vT,normu2,normv2,d1ud1v,alpha,beta; |
| 804 | d1uT = d1u.Dot(tgline); |
| 805 | d1vT = d1v.Dot(tgline); |
| 806 | normu2 = d1u.Dot(d1u); |
| 807 | normv2 = d1v.Dot(d1v); |
| 808 | d1ud1v = d1u.Dot(d1v); |
| 809 | det = normu2 * normv2 - d1ud1v * d1ud1v; |
| 810 | if(det<RealEpsilon()) { |
| 811 | //-- On ne doit pas passer ici !! |
| 812 | //-- cout<<" Probleme !!!"<<endl ; |
| 813 | return IntSurf_Undecided; |
| 814 | } |
| 815 | |
| 816 | alpha = (d1uT * normv2 - d1vT * d1ud1v)/det; |
| 817 | beta = (normu2 * d1vT - d1ud1v * d1uT)/det; |
| 818 | //----------------------------------------------------- |
| 819 | //-- Calcul du Gradient de la fonction Utilisee -- |
| 820 | //-- pour le contour apparent -- |
| 821 | //----------------------------------------------------- |
| 822 | |
| 823 | Standard_Real v1,v2; |
| 824 | math_Vector X(1,2); |
| 825 | math_Matrix Df(1,1,1,2); |
| 826 | X(1) = u; |
| 827 | X(2) = v; |
| 828 | SFunc.Derivatives(X,Df); |
| 829 | v1 = Df(1,1); |
| 830 | v2 = Df(1,2); |
| 831 | |
| 832 | //----------------------------------------------------- |
| 833 | //-- On calcule si la fonction -- |
| 834 | //-- F(.) = Normale . Dir_Regard -- |
| 835 | //-- Croit Losrque l on se deplace sur la Gauche -- |
| 836 | //-- de la direction de deplacement sur la ligne. -- |
| 837 | //----------------------------------------------------- |
| 838 | |
| 839 | det = -v1*beta + v2*alpha; |
| 840 | |
| 841 | if(det<RealEpsilon()) { // revoir le test jag 940620 |
| 842 | return IntSurf_Undecided; |
| 843 | } |
| 844 | if(det>0.0) { |
| 845 | return(IntSurf_Out); |
| 846 | } |
| 847 | return(IntSurf_In); |
| 848 | } |
| 849 | |
| 850 | |
| 851 | void ProcessSegments (const Contap_TheSearch& solrst, |
| 852 | Contap_TheSequenceOfLine& slin, |
| 853 | const Standard_Real TolArc, |
| 854 | Contap_SurfFunction& SFunc, |
| 855 | const Handle(Adaptor3d_TopolTool)& Domain) |
| 856 | |
| 857 | { |
| 858 | Standard_Integer i,j,k; |
| 859 | Standard_Integer nbedg = solrst.NbSegments(); |
| 860 | Standard_Integer Nblines,Nbpts; |
| 861 | |
| 862 | Handle(Adaptor2d_HCurve2d) arcRef; |
| 863 | Contap_Point ptvtx; |
| 864 | |
| 865 | Contap_ThePathPointOfTheSearch PStartf,PStartl; |
| 866 | |
| 867 | Standard_Boolean dofirst,dolast,procf,procl; |
| 868 | Standard_Real paramf =0.,paraml =0.,U; |
| 869 | Contap_Line theline; |
| 870 | |
| 871 | gp_Vec tgline;//,norm1,norm2; |
| 872 | gp_Pnt valpt; |
| 873 | |
| 874 | gp_Vec d1u,d1v; |
| 875 | gp_Pnt2d p2d; |
| 876 | gp_Vec2d d2d; |
| 877 | |
| 878 | |
| 879 | for (i = 1; i <= nbedg; i++) { |
| 880 | |
| 881 | const Contap_TheSegmentOfTheSearch& thesegsol = solrst.Segment(i); |
| 882 | theline.SetValue(thesegsol.Curve()); |
| 883 | |
| 884 | // Traitement des points debut/fin du segment solution. |
| 885 | |
| 886 | dofirst = Standard_False; |
| 887 | dolast = Standard_False; |
| 888 | procf = Standard_False; |
| 889 | procl = Standard_False; |
| 890 | |
| 891 | if (thesegsol.HasFirstPoint()) { |
| 892 | dofirst = Standard_True; |
| 893 | PStartf = thesegsol.FirstPoint(); |
| 894 | paramf = PStartf.Parameter(); |
| 895 | } |
| 896 | if (thesegsol.HasLastPoint()) { |
| 897 | dolast = Standard_True; |
| 898 | PStartl = thesegsol.LastPoint(); |
| 899 | paraml = PStartl.Parameter(); |
| 900 | } |
| 901 | |
| 902 | // determination de la transition |
| 903 | if (dofirst && dolast) { |
| 904 | U = (paramf+paraml)/2.; |
| 905 | } |
| 906 | else if (dofirst) { |
| 907 | U = paramf + 1.0; |
| 908 | } |
| 909 | else if (dolast) { |
| 910 | U = paraml - 1.0; |
| 911 | } |
| 912 | else { |
| 913 | U = 0.0; |
| 914 | } |
| 915 | |
| 916 | Contap_HCurve2dTool::D1(thesegsol.Curve(),U,p2d,d2d); |
| 917 | Adaptor3d_HSurfaceTool::D1(SFunc.Surface(),p2d.X(),p2d.Y(),valpt,d1u,d1v); |
| 918 | tgline.SetLinearForm(d2d.X(),d1u,d2d.Y(),d1v); |
| 919 | IntSurf_TypeTrans tral = |
| 920 | ComputeTransitionOnLine(SFunc,p2d.X(),p2d.Y(),tgline); |
| 921 | |
| 922 | theline.SetTransitionOnS(tral); |
| 923 | |
| 924 | |
| 925 | if (dofirst || dolast) { |
| 926 | Nblines = slin.Length(); |
| 927 | for (j=1; j<=Nblines; j++) { |
| 928 | Nbpts = slin(j).NbVertex(); |
| 929 | for (k=1; k<=Nbpts;k++) { |
| 930 | ptvtx = slin(j).Vertex(k); |
| 931 | if (dofirst) { |
| 932 | if (ptvtx.Value().Distance(PStartf.Value()) <=TolArc) { |
| 933 | slin(j).Vertex(k).SetMultiple(); |
| 934 | ptvtx.SetMultiple(); |
| 935 | ptvtx.SetParameter(paramf); |
| 936 | theline.Add(ptvtx); |
| 937 | procf=Standard_True; |
| 938 | } |
| 939 | } |
| 940 | if (dolast) { |
| 941 | if (ptvtx.Value().Distance(PStartl.Value()) <=TolArc) { |
| 942 | slin(j).Vertex(k).SetMultiple(); |
| 943 | ptvtx.SetMultiple(); |
| 944 | ptvtx.SetParameter(paraml); |
| 945 | theline.Add(ptvtx); |
| 946 | procl=Standard_True; |
| 947 | } |
| 948 | } |
| 949 | } |
| 950 | // Si on a traite le pt debut et/ou fin, on ne doit pas recommencer si |
| 951 | // il (ils) correspond(ent) a un point multiple. |
| 952 | |
| 953 | if (procf) { |
| 954 | dofirst = Standard_False; |
| 955 | } |
| 956 | if (procl) { |
| 957 | dolast = Standard_False; |
| 958 | } |
| 959 | } |
| 960 | } |
| 961 | |
| 962 | // Si on n a pas trouve le point debut et./ou fin sur une des lignes |
| 963 | // d intersection, il faut quand-meme le placer sur la restriction solution |
| 964 | |
| 965 | if (dofirst) { |
| 966 | |
| 967 | p2d = Contap_HCurve2dTool::Value(thesegsol.Curve(),paramf); |
| 968 | ptvtx.SetValue(PStartf.Value(),p2d.X(),p2d.Y()); |
| 969 | ptvtx.SetParameter(paramf); |
| 970 | if (! PStartf.IsNew()) { |
| 971 | ptvtx.SetVertex(PStartf.Vertex()); |
| 972 | } |
| 973 | theline.Add(ptvtx); |
| 974 | } |
| 975 | if (dolast) { |
| 976 | p2d = Contap_HCurve2dTool::Value(thesegsol.Curve(),paraml); |
| 977 | ptvtx.SetValue(PStartl.Value(),p2d.X(),p2d.Y()); |
| 978 | ptvtx.SetParameter(paraml); |
| 979 | if (! PStartl.IsNew()) { |
| 980 | ptvtx.SetVertex(PStartl.Vertex()); |
| 981 | } |
| 982 | theline.Add(ptvtx); |
| 983 | } |
| 984 | |
| 985 | // il faut chercher le points internal sur les restrictions solutions. |
| 986 | if (thesegsol.HasFirstPoint() && thesegsol.HasLastPoint()) { |
| 987 | ComputeInternalPointsOnRstr(theline,paramf,paraml,SFunc); |
| 988 | } |
| 989 | LineConstructor(slin,Domain,theline,SFunc.Surface()); //-- lbr |
| 990 | //-- slin.Append(theline); |
| 991 | theline.Clear(); |
| 992 | } |
| 993 | } |
| 994 | |
| 995 | void ComputeInternalPointsOnRstr |
| 996 | (Contap_Line& Line, |
| 997 | const Standard_Real Paramf, |
| 998 | const Standard_Real Paraml, |
| 999 | Contap_SurfFunction& SFunc) |
| 1000 | { |
| 1001 | // On recherche les points ou la tangente a la ligne de contour et |
| 1002 | // la direction sont alignees. |
| 1003 | // 1ere etape : recherche de changement de signe. |
| 1004 | // 2eme etape : localisation de la solution par dichotomie |
| 1005 | |
| 1006 | |
| 1007 | Standard_Integer indexinf,indexsup,i; |
| 1008 | gp_Vec tgt, vecref, vectest, vtestb, vecregard,d1u,d1v; |
| 1009 | gp_Pnt pcour; |
| 1010 | gp_Pnt2d p2d; |
| 1011 | gp_Vec2d d2d; |
| 1012 | Standard_Boolean found,ok = Standard_False,toutvu,solution; |
| 1013 | Standard_Real paramp = 0.,paraminf,paramsup,toler; |
| 1014 | |
| 1015 | if (Line.TypeContour() != Contap_Restriction) { |
| 1016 | return; |
| 1017 | } |
| 1018 | |
| 1019 | const Handle(Adaptor2d_HCurve2d)& thearc = Line.Arc(); |
| 1020 | |
| 1021 | const Handle(Adaptor3d_HSurface)& Surf = SFunc.Surface(); |
| 1022 | Contap_TFunction TypeFunc(SFunc.FunctionType()); |
| 1023 | |
| 1024 | Standard_Integer Nbpnts = Contap_HContTool::NbSamplesOnArc(thearc); |
| 1025 | indexinf = 1; |
| 1026 | vecregard = SFunc.Direction(); |
| 1027 | toler = Contap_HCurve2dTool::Resolution(thearc,Precision::Confusion()); |
| 1028 | found = Standard_False; |
| 1029 | |
| 1030 | do { |
| 1031 | paraminf = ((Nbpnts-indexinf)*Paramf + (indexinf-1)*Paraml)/(Nbpnts-1); |
| 1032 | Contap_HCurve2dTool::D1(thearc,paraminf,p2d,d2d); |
| 1033 | Adaptor3d_HSurfaceTool::D1(Surf,p2d.X(),p2d.Y(),pcour,d1u,d1v); |
| 1034 | tgt.SetLinearForm(d2d.X(),d1u,d2d.Y(),d1v); |
| 1035 | |
| 1036 | if (tgt.Magnitude() > gp::Resolution()) { |
| 1037 | if (TypeFunc == Contap_ContourPrs || TypeFunc==Contap_DraftPrs) { |
| 1038 | vecregard.SetXYZ(pcour.XYZ()-SFunc.Eye().XYZ()); |
| 1039 | } |
| 1040 | vecref = vecregard.Crossed(tgt); |
| 1041 | |
| 1042 | if (vecref.Magnitude() <= gp::Resolution()) { |
| 1043 | indexinf++; |
| 1044 | } |
| 1045 | else { |
| 1046 | found = Standard_True; |
| 1047 | } |
| 1048 | } |
| 1049 | else { |
| 1050 | indexinf++; |
| 1051 | } |
| 1052 | } while ((indexinf <= Nbpnts) && (!found)); |
| 1053 | |
| 1054 | |
| 1055 | indexsup = indexinf +1; |
| 1056 | toutvu = (indexsup > Nbpnts); |
| 1057 | while (!toutvu) { |
| 1058 | paramsup = ((Nbpnts-indexsup)*Paramf + (indexsup-1)*Paraml)/(Nbpnts-1); |
| 1059 | Contap_HCurve2dTool::D1(thearc,paramsup,p2d,d2d); |
| 1060 | Adaptor3d_HSurfaceTool::D1(Surf,p2d.X(),p2d.Y(),pcour,d1u,d1v); |
| 1061 | tgt.SetLinearForm(d2d.X(),d1u,d2d.Y(),d1v); |
| 1062 | |
| 1063 | if (tgt.Magnitude() > gp::Resolution()) { |
| 1064 | if (TypeFunc == Contap_ContourPrs || TypeFunc==Contap_DraftPrs) { |
| 1065 | vecregard.SetXYZ(pcour.XYZ()-SFunc.Eye().XYZ()); |
| 1066 | } |
| 1067 | vectest = vecregard.Crossed(tgt); |
| 1068 | } |
| 1069 | else { |
| 1070 | vectest = gp_Vec(0.,0.,0.); |
| 1071 | } |
| 1072 | if (vectest.Magnitude() <= gp::Resolution()) { |
| 1073 | // On cherche un vrai changement de signe |
| 1074 | indexsup++; |
| 1075 | } |
| 1076 | else { |
| 1077 | if (vectest.Dot(vecref) < 0.) { |
| 1078 | // Essayer de converger |
| 1079 | // cout << "Changement de signe detecte" << endl; |
| 1080 | solution = Standard_False; |
| 1081 | while (!solution) { |
| 1082 | paramp = (paraminf+paramsup)/2.; |
| 1083 | Contap_HCurve2dTool::D1(thearc,paramp,p2d,d2d); |
| 1084 | Adaptor3d_HSurfaceTool::D1(Surf,p2d.X(),p2d.Y(),pcour,d1u,d1v); |
| 1085 | tgt.SetLinearForm(d2d.X(),d1u,d2d.Y(),d1v); |
| 1086 | |
| 1087 | if (tgt.Magnitude() > gp::Resolution()) { |
| 1088 | if (TypeFunc == Contap_ContourPrs || TypeFunc==Contap_DraftPrs) { |
| 1089 | vecregard.SetXYZ(pcour.XYZ()-SFunc.Eye().XYZ()); |
| 1090 | } |
| 1091 | vtestb = vecregard.Crossed(tgt); |
| 1092 | } |
| 1093 | else { |
| 1094 | vtestb = gp_Vec(0.,0.,0.); |
| 1095 | } |
| 1096 | |
| 1097 | if ((vtestb.Magnitude() <= gp::Resolution())|| |
| 1098 | (Abs(paramp-paraminf) <= toler) || |
| 1099 | (Abs(paramp-paramsup) <= toler)) { |
| 1100 | // on est a la solution |
| 1101 | solution = Standard_True; |
| 1102 | ok = Standard_True; |
| 1103 | } |
| 1104 | else if (vtestb.Dot(vecref) < 0.) { |
| 1105 | paramsup = paramp; |
| 1106 | } |
| 1107 | else { |
| 1108 | paraminf = paramp; |
| 1109 | } |
| 1110 | |
| 1111 | } |
| 1112 | |
| 1113 | if (ok) { |
| 1114 | // On verifie que le point trouve ne correspond pas a un ou des |
| 1115 | // vertex deja existant(s). On teste sur le parametre paramp. |
| 1116 | for (i=1; i<=Line.NbVertex(); i++) { |
| 1117 | Contap_Point& thevtx = Line.Vertex(i); |
| 1118 | if (Abs(thevtx.ParameterOnLine()-paramp) <= toler) { |
| 1119 | thevtx.SetInternal(); |
| 1120 | ok = Standard_False; // on a correspondance |
| 1121 | } |
| 1122 | } |
| 1123 | if (ok) { // il faut alors rajouter le point |
| 1124 | Contap_Point internalp(pcour,p2d.X(),p2d.Y()); |
| 1125 | internalp.SetParameter(paramp); |
| 1126 | internalp.SetInternal(); |
| 1127 | Line.Add(internalp); |
| 1128 | } |
| 1129 | } |
| 1130 | paramsup = ((Nbpnts-indexsup)*Paramf + (indexsup-1)*Paraml)/(Nbpnts-1); |
| 1131 | } |
| 1132 | vecref = vectest; |
| 1133 | indexinf = indexsup; |
| 1134 | indexsup++; |
| 1135 | paraminf = paramsup; |
| 1136 | } |
| 1137 | toutvu = (indexsup > Nbpnts); |
| 1138 | } |
| 1139 | } |
| 1140 | |
| 1141 | |
| 1142 | void ComputeInternalPoints |
| 1143 | (Contap_Line& Line, |
| 1144 | Contap_SurfFunction& SFunc, |
| 1145 | const Standard_Real ureso, |
| 1146 | const Standard_Real vreso) |
| 1147 | |
| 1148 | { |
| 1149 | // On recherche les points ou la tangente a la ligne de contour et |
| 1150 | // la direction sont alignees. |
| 1151 | // 1ere etape : recheche de changement de signe. |
| 1152 | // 2eme etape : localisation de la solution par simili dichotomie |
| 1153 | |
| 1154 | |
| 1155 | Standard_Integer indexinf,indexsup,index; |
| 1156 | gp_Vec tgt, vecref, vectest, vtestb, vecregard; |
| 1157 | //gp_Pnt pprec,pcour; |
| 1158 | Standard_Boolean found,ok = Standard_False,toutvu,solution; |
| 1159 | Standard_Real paramp = 0.,U,V; |
| 1160 | |
| 1161 | math_Vector XInf(1,2),XSup(1,2),X(1,2),F(1,1); |
| 1162 | math_Matrix DF(1,1,1,2); |
| 1163 | math_Vector toler(1,2),infb(1,2),supb(1,2); |
| 1164 | |
| 1165 | if (Line.TypeContour() != Contap_Walking) { |
| 1166 | return; |
| 1167 | } |
| 1168 | |
| 1169 | Standard_Integer Nbpnts = Line.NbPnts(); |
| 1170 | const Handle(Adaptor3d_HSurface)& Surf = SFunc.Surface(); |
| 1171 | Contap_TFunction TypeFunc(SFunc.FunctionType()); |
| 1172 | |
| 1173 | toler(1) = ureso; //-- Trop long !!! Adaptor3d_HSurfaceTool::UResolution(Surf,SFunc.Tolerance()); |
| 1174 | toler(2) = vreso; //---Beaucoup trop long !!! Adaptor3d_HSurfaceTool::VResolution(Surf,SFunc.Tolerance()); |
| 1175 | infb(1) = Adaptor3d_HSurfaceTool::FirstUParameter(Surf); |
| 1176 | infb(2) = Adaptor3d_HSurfaceTool::FirstVParameter(Surf); |
| 1177 | supb(1) = Adaptor3d_HSurfaceTool::LastUParameter(Surf); |
| 1178 | supb(2) = Adaptor3d_HSurfaceTool::LastVParameter(Surf); |
| 1179 | |
| 1180 | math_FunctionSetRoot rsnld(SFunc,toler,30); |
| 1181 | |
| 1182 | indexinf = 1; |
| 1183 | vecregard = SFunc.Direction(); |
| 1184 | |
| 1185 | found = Standard_False; |
| 1186 | do { |
| 1187 | Line.Point(indexinf).ParametersOnS2(XInf(1),XInf(2)); |
| 1188 | SFunc.Values(XInf,F,DF); |
| 1189 | if (!SFunc.IsTangent()) { |
| 1190 | tgt = SFunc.Direction3d(); |
| 1191 | if (TypeFunc == Contap_ContourPrs || TypeFunc == Contap_DraftPrs) { |
| 1192 | vecregard.SetXYZ(Line.Point(indexinf).Value().XYZ()-SFunc.Eye().XYZ()); |
| 1193 | } |
| 1194 | vecref = vecregard.Crossed(tgt); |
| 1195 | |
| 1196 | if (vecref.Magnitude() <= gp::Resolution()) { |
| 1197 | indexinf++; |
| 1198 | } |
| 1199 | else { |
| 1200 | found = Standard_True; |
| 1201 | } |
| 1202 | } |
| 1203 | else { |
| 1204 | indexinf++; |
| 1205 | } |
| 1206 | } while ((indexinf <= Nbpnts) && (!found)); |
| 1207 | |
| 1208 | |
| 1209 | indexsup = indexinf +1; |
| 1210 | toutvu = (indexsup > Nbpnts); |
| 1211 | while (!toutvu) { |
| 1212 | Line.Point(indexsup).ParametersOnS2(XSup(1),XSup(2)); |
| 1213 | SFunc.Values(XSup,F,DF); |
| 1214 | if (!SFunc.IsTangent()) { |
| 1215 | tgt = SFunc.Direction3d(); |
| 1216 | |
| 1217 | if (TypeFunc == Contap_ContourPrs || TypeFunc == Contap_DraftPrs) { |
| 1218 | vecregard.SetXYZ(Line.Point(indexsup).Value().XYZ()-SFunc.Eye().XYZ()); |
| 1219 | } |
| 1220 | vectest = vecregard.Crossed(tgt); |
| 1221 | } |
| 1222 | else { |
| 1223 | vectest = gp_Vec(0.,0.,0.); |
| 1224 | } |
| 1225 | if (vectest.Magnitude() <= gp::Resolution()) { |
| 1226 | // On cherche un vrai changement de signe |
| 1227 | indexsup++; |
| 1228 | } |
| 1229 | else { |
| 1230 | if (vectest.Dot(vecref) < 0.) { |
| 1231 | // Essayer de converger |
| 1232 | // cout << "Changement de signe detecte" << endl; |
| 1233 | solution = Standard_False; |
| 1234 | while (!solution) { |
| 1235 | X(1) = (XInf(1) + XSup(1)) /2.; |
| 1236 | X(2) = (XInf(2) + XSup(2)) /2.; |
| 1237 | rsnld.Perform(SFunc,X,infb,supb); |
| 1238 | |
| 1239 | if (!rsnld.IsDone()) { |
| 1240 | cout << "Echec recherche internal points" << endl; |
| 1241 | solution = Standard_True; |
| 1242 | ok = Standard_False; |
| 1243 | } |
| 1244 | else { |
| 1245 | |
| 1246 | rsnld.Root(X); |
| 1247 | SFunc.Values(X,F,DF); |
| 1248 | if (Abs(F(1)) <= SFunc.Tolerance()) { |
| 1249 | |
| 1250 | if (!SFunc.IsTangent()) { |
| 1251 | tgt = SFunc.Direction3d(); |
| 1252 | if (TypeFunc == Contap_ContourPrs || |
| 1253 | TypeFunc == Contap_DraftPrs) { |
| 1254 | vecregard.SetXYZ(SFunc.Point().XYZ()-SFunc.Eye().XYZ()); |
| 1255 | } |
| 1256 | vtestb = vecregard.Crossed(tgt); |
| 1257 | } |
| 1258 | else { |
| 1259 | vtestb = gp_Vec(0.,0.,0.); |
| 1260 | } |
| 1261 | if ((vtestb.Magnitude() <= gp::Resolution())|| |
| 1262 | (Abs(X(1)-XInf(1)) <= toler(1) |
| 1263 | && Abs(X(2)-XInf(2)) <= toler(2)) || |
| 1264 | (Abs(X(1)-XSup(1)) <= toler(1) |
| 1265 | && Abs(X(2)-XSup(2)) <= toler(2))) { |
| 1266 | // on est a la solution |
| 1267 | solution = Standard_True; |
| 1268 | ok = Standard_True; |
| 1269 | } |
| 1270 | else if (vtestb.Dot(vecref) < 0.) { |
| 1271 | XSup = X; |
| 1272 | } |
| 1273 | else { |
| 1274 | XInf = X; |
| 1275 | } |
| 1276 | } |
| 1277 | else { // on n est pas sur une solution |
| 1278 | cout << "Echec recherche internal points" << endl; |
| 1279 | solution = Standard_True; |
| 1280 | ok = Standard_False; |
| 1281 | } |
| 1282 | } |
| 1283 | } |
| 1284 | |
| 1285 | if (ok) { |
| 1286 | Standard_Boolean newpoint = Standard_False; |
| 1287 | Line.Point(indexinf).ParametersOnS2(U,V); |
| 1288 | gp_Vec2d vinf(X(1)-U,X(2)-V); |
| 1289 | if (Abs(vinf.X()) <= toler(1) && Abs(vinf.Y()) <= toler(2)) { |
| 1290 | paramp = indexinf; |
| 1291 | } |
| 1292 | else { |
| 1293 | for (index = indexinf+1; index <= indexsup; index++) { |
| 1294 | Line.Point(index).ParametersOnS2(U,V); |
| 1295 | gp_Vec2d vsup(X(1)-U,X(2)-V); |
| 1296 | if (Abs(vsup.X()) <= toler(1) && Abs(vsup.Y()) <= toler(2)) { |
| 1297 | paramp = index; |
| 1298 | break; |
| 1299 | } |
| 1300 | else if (vinf.Dot(vsup) < 0.) { |
| 1301 | // on est entre les 2 points |
| 1302 | paramp = index; |
| 1303 | IntSurf_PntOn2S pt2s; |
| 1304 | pt2s.SetValue(SFunc.Point(),Standard_False,X(1),X(2)); |
| 1305 | Line.LineOn2S()->InsertBefore(index,pt2s); |
| 1306 | |
| 1307 | //-- Il faut decaler les parametres des vertex situes entre |
| 1308 | //-- index et NbPnts ################################### |
| 1309 | for(Standard_Integer v=1; v<=Line.NbVertex(); v++) { |
| 1310 | Contap_Point& Vertex = Line.Vertex(v); |
| 1311 | if(Vertex.ParameterOnLine() >= index) { |
| 1312 | Vertex.SetParameter(Vertex.ParameterOnLine()+1); |
| 1313 | } |
| 1314 | } |
| 1315 | |
| 1316 | Nbpnts = Nbpnts+1; |
| 1317 | indexsup = indexsup+1; |
| 1318 | newpoint = Standard_True; |
| 1319 | break; |
| 1320 | } |
| 1321 | else { |
| 1322 | vinf = vsup; |
| 1323 | } |
| 1324 | } |
| 1325 | } |
| 1326 | |
| 1327 | Standard_Integer v; |
| 1328 | if (!newpoint) { |
| 1329 | // on est sur un point de cheminement. On regarde alors |
| 1330 | // la correspondance avec un vertex existant. |
| 1331 | newpoint = Standard_True; |
| 1332 | for (v=1; v<= Line.NbVertex(); v++) { |
| 1333 | Contap_Point& Vertex = Line.Vertex(v); |
| 1334 | if(Vertex.ParameterOnLine() == paramp) { |
| 1335 | Vertex.SetInternal(); |
| 1336 | newpoint = Standard_False; |
| 1337 | } |
| 1338 | } |
| 1339 | } |
| 1340 | |
| 1341 | if (newpoint && paramp >1. && paramp < Nbpnts) { |
| 1342 | // on doit creer un nouveau vertex. |
| 1343 | Contap_Point internalp(SFunc.Point(),X(1),X(2)); |
| 1344 | internalp.SetParameter(paramp); |
| 1345 | internalp.SetInternal(); |
| 1346 | Line.Add(internalp); |
| 1347 | } |
| 1348 | } |
| 1349 | Line.Point(indexsup).ParametersOnS2(XSup(1),XSup(2)); |
| 1350 | } |
| 1351 | vecref = vectest; |
| 1352 | indexinf = indexsup; |
| 1353 | indexsup++; |
| 1354 | XInf = XSup; |
| 1355 | } |
| 1356 | toutvu = (indexsup > Nbpnts); |
| 1357 | } |
| 1358 | } |
| 1359 | |
| 1360 | |
| 1361 | void Contap_Contour::Perform |
| 1362 | (const Handle(Adaptor3d_TopolTool)& Domain) { |
| 1363 | |
| 1364 | done = Standard_False; |
| 1365 | slin.Clear(); |
| 1366 | |
| 1367 | Standard_Integer i,j,k,Nbvt1,Nbvt2,ivt1,ivt2; |
| 1368 | Standard_Integer NbPointRst,NbPointIns; |
| 1369 | Standard_Integer Nblines, Nbpts, indfirst, indlast; |
| 1370 | Standard_Real U,V; |
| 1371 | gp_Pnt2d pt2d; |
| 1372 | gp_Vec2d d2d; |
| 1373 | gp_Pnt ptonsurf; |
| 1374 | gp_Vec d1u,d1v,normale,tgtrst,tgline; |
| 1375 | Standard_Real currentparam; |
| 1376 | IntSurf_Transition TLine,TArc; |
| 1377 | |
| 1378 | Contap_Line theline; |
| 1379 | Contap_Point ptdeb,ptfin; |
| 1380 | Contap_ThePathPointOfTheSearch PStartf,PStartl; |
| 1381 | |
| 1382 | // Standard_Real TolArc = 1.e-5; |
| 1383 | Standard_Real TolArc = Precision::Confusion(); |
| 1384 | |
| 1385 | const Handle(Adaptor3d_HSurface)& Surf = mySFunc.Surface(); |
| 1386 | |
| 1387 | Standard_Real EpsU = Adaptor3d_HSurfaceTool::UResolution(Surf,Precision::Confusion()); |
| 1388 | Standard_Real EpsV = Adaptor3d_HSurfaceTool::VResolution(Surf,Precision::Confusion()); |
| 1389 | Standard_Real Preci = Min(EpsU,EpsV); |
| 1390 | // Standard_Real Fleche = 5.e-1; |
| 1391 | // Standard_Real Pas = 5.e-2; |
| 1392 | Standard_Real Fleche = 0.01; |
| 1393 | Standard_Real Pas = 0.005; |
| 1394 | // lbr: Il y avait Pas 0.2 -> Manque des Inters sur restr ; devrait faire un mini de 5 pts par lignes |
| 1395 | //-- le 23 janvier 98 0.05 -> 0.01 |
| 1396 | |
| 1397 | |
| 1398 | //-- ******************************************************************************** Janvier 98 |
| 1399 | Bnd_Box B1; Standard_Boolean Box1OK = Standard_True; |
| 1400 | |
| 1401 | Standard_Real Uinf = Surf->FirstUParameter(); |
| 1402 | Standard_Real Vinf = Surf->FirstVParameter(); |
| 1403 | Standard_Real Usup = Surf->LastUParameter(); |
| 1404 | Standard_Real Vsup = Surf->LastVParameter(); |
| 1405 | |
| 1406 | Standard_Boolean Uinfinfinite = Precision::IsNegativeInfinite(Uinf); |
| 1407 | Standard_Boolean Usupinfinite = Precision::IsPositiveInfinite(Usup); |
| 1408 | Standard_Boolean Vinfinfinite = Precision::IsNegativeInfinite(Vinf); |
| 1409 | Standard_Boolean Vsupinfinite = Precision::IsPositiveInfinite(Vsup); |
| 1410 | |
| 1411 | if( Uinfinfinite || Usupinfinite || Vinfinfinite || Vsupinfinite) { |
| 1412 | Box1OK = Standard_False; |
| 1413 | } |
| 1414 | else { |
| 1415 | BndLib_AddSurface::Add(Surf->Surface(),1e-8,B1); |
| 1416 | } |
| 1417 | Standard_Real x0,y0,z0,x1,y1,z1,dx,dy,dz; |
| 1418 | if(Box1OK) { |
| 1419 | B1.Get(x0,y0,z0,x1,y1,z1); |
| 1420 | dx=x1-x0; |
| 1421 | dy=y1-y0; |
| 1422 | dz=z1-z0; |
| 1423 | } |
| 1424 | else { |
| 1425 | dx=dy=dz=1.0; |
| 1426 | } |
| 1427 | if(dx<dy) dx=dy; |
| 1428 | if(dx<dz) dx=dz; |
| 1429 | if(dx>10000.0) dx=10000.0; |
| 1430 | Fleche*=dx; |
| 1431 | TolArc*=dx; |
| 1432 | //-- ******************************************************************************** |
| 1433 | |
| 1434 | |
| 1435 | //gp_Pnt valpt; |
| 1436 | |
| 1437 | //jag 940616 SFunc.Set(1.e-8); // tolerance sur la fonction |
| 1438 | mySFunc.Set(Precision::Confusion()); // tolerance sur la fonction |
| 1439 | |
| 1440 | Standard_Boolean RecheckOnRegularity = Standard_True; |
| 1441 | solrst.Perform(myAFunc,Domain,TolArc,TolArc,RecheckOnRegularity); |
| 1442 | |
| 1443 | if (!solrst.IsDone()) { |
| 1444 | return; |
| 1445 | } |
| 1446 | |
| 1447 | NbPointRst = solrst.NbPoints(); |
| 1448 | IntSurf_SequenceOfPathPoint seqpdep; |
| 1449 | TColStd_Array1OfInteger Destination(1,NbPointRst+1); |
| 1450 | Destination.Init(0); |
| 1451 | if (NbPointRst != 0) { |
| 1452 | ComputeTangency(solrst,Domain,mySFunc,seqpdep,Destination); |
| 1453 | } |
| 1454 | |
| 1455 | //jag 940616 solins.Perform(SFunc,Surf,Domain,1.e-6); // 1.e-6 : tolerance dans l espace. |
| 1456 | solins.Perform(mySFunc,Surf,Domain,Precision::Confusion()); |
| 1457 | |
| 1458 | NbPointIns = solins.NbPoints(); |
| 1459 | IntSurf_SequenceOfInteriorPoint seqpins; |
| 1460 | |
| 1461 | if (NbPointIns != 0) { |
| 1462 | Standard_Boolean bKeepAllPoints = Standard_False; |
| 1463 | //IFV begin |
| 1464 | if(solrst.NbSegments() <= 0) { |
| 1465 | if(mySFunc.FunctionType() == Contap_ContourStd) { |
| 1466 | const Handle(Adaptor3d_HSurface)& SurfToCheck = mySFunc.Surface(); |
| 1467 | if(Adaptor3d_HSurfaceTool::GetType(SurfToCheck) == GeomAbs_Torus) { |
| 1468 | gp_Torus aTor = Adaptor3d_HSurfaceTool::Torus(SurfToCheck); |
| 1469 | gp_Dir aTorDir = aTor.Axis().Direction(); |
| 1470 | gp_Dir aProjDir = mySFunc.Direction(); |
| 1471 | |
| 1472 | if(aTorDir.Dot(aProjDir) < Precision::Confusion()) { |
| 1473 | bKeepAllPoints = Standard_True; |
| 1474 | } |
| 1475 | } |
| 1476 | } |
| 1477 | } |
| 1478 | |
| 1479 | if(bKeepAllPoints) { |
| 1480 | Standard_Integer Nbp = solins.NbPoints(), indp; |
| 1481 | for (indp=1; indp <= Nbp; indp++) { |
| 1482 | const IntSurf_InteriorPoint& pti = solins.Value(indp); |
| 1483 | seqpins.Append(pti); |
| 1484 | } |
| 1485 | } |
| 1486 | //IFV - end |
| 1487 | else { |
| 1488 | KeepInsidePoints(solins,solrst,mySFunc,seqpins); |
| 1489 | } |
| 1490 | } |
| 1491 | |
| 1492 | if (seqpdep.Length() != 0 || seqpins.Length() != 0) { |
| 1493 | |
| 1494 | Contap_TheIWalking iwalk(Preci,Fleche,Pas); |
| 1495 | iwalk.Perform(seqpdep,seqpins,mySFunc ,Surf); |
| 1496 | if(!iwalk.IsDone()) { |
| 1497 | return; |
| 1498 | } |
| 1499 | |
| 1500 | Nblines = iwalk.NbLines(); |
| 1501 | for (j=1; j<=Nblines; j++) { |
| 1502 | IntSurf_TypeTrans TypeTransOnS = IntSurf_Undecided; |
| 1503 | const Handle(Contap_TheIWLineOfTheIWalking)& iwline = iwalk.Value(j); |
| 1504 | Nbpts = iwline->NbPoints(); |
| 1505 | theline.SetLineOn2S(iwline->Line()); |
| 1506 | |
| 1507 | // jag 941018 On calcule une seule fois la transition |
| 1508 | |
| 1509 | tgline = iwline->TangentVector(k); |
| 1510 | iwline->Line()->Value(k).ParametersOnS2(U,V); |
| 1511 | TypeTransOnS = ComputeTransitionOnLine(mySFunc,U,V,tgline); |
| 1512 | theline.SetTransitionOnS(TypeTransOnS); |
| 1513 | |
| 1514 | //--------------------------------------------------------------------- |
| 1515 | //-- On ajoute a la liste des vertex les 1er et dernier points de la - |
| 1516 | //-- ligne de cheminement si ceux-ci ne sont pas presents - |
| 1517 | //--------------------------------------------------------------------- |
| 1518 | |
| 1519 | if (iwline->HasFirstPoint()) { |
| 1520 | indfirst = iwline->FirstPointIndex(); |
| 1521 | const IntSurf_PathPoint& PPoint = seqpdep(indfirst); |
| 1522 | Standard_Integer themult = PPoint.Multiplicity(); |
| 1523 | for (i=NbPointRst; i>=1; i--) { |
| 1524 | if (Destination(i) == indfirst) { |
| 1525 | PPoint.Parameters(themult,U,V); |
| 1526 | ptdeb.SetValue(PPoint.Value(),U,V); |
| 1527 | ptdeb.SetParameter(1.0); |
| 1528 | |
| 1529 | const Contap_ThePathPointOfTheSearch& PStart = solrst.Point(i); |
| 1530 | const Handle(Adaptor2d_HCurve2d)& currentarc = PStart.Arc(); |
| 1531 | currentparam = PStart.Parameter(); |
| 1532 | if (!iwline->IsTangentAtBegining()) { |
| 1533 | |
| 1534 | Contap_HCurve2dTool::D1(currentarc,currentparam,pt2d,d2d); |
| 1535 | Contap_SurfProps::DerivAndNorm(Surf,pt2d.X(),pt2d.Y(), |
| 1536 | ptonsurf,d1u,d1v,normale); |
| 1537 | tgtrst = d2d.X()*d1u; |
| 1538 | tgtrst.Add(d2d.Y()*d1v); |
| 1539 | |
| 1540 | IntSurf::MakeTransition(PPoint.Direction3d(),tgtrst,normale, |
| 1541 | TLine,TArc); |
| 1542 | |
| 1543 | } |
| 1544 | else {// a voir. En effet, on a cheminer. Si on est sur un point |
| 1545 | // debut, on sait qu'on rentre dans la matiere |
| 1546 | TLine.SetValue(); |
| 1547 | TArc.SetValue(); |
| 1548 | } |
| 1549 | |
| 1550 | ptdeb.SetArc(currentarc,currentparam,TLine,TArc); |
| 1551 | |
| 1552 | if (!solrst.Point(i).IsNew()) { |
| 1553 | ptdeb.SetVertex(PStart.Vertex()); |
| 1554 | } |
| 1555 | theline.Add(ptdeb); |
| 1556 | themult--; |
| 1557 | } |
| 1558 | } |
| 1559 | } |
| 1560 | else { |
| 1561 | iwline->Value(1).ParametersOnS2(U,V); |
| 1562 | ptdeb.SetValue(theline.Point(1).Value(),U,V); |
| 1563 | ptdeb.SetParameter(1.0); |
| 1564 | theline.Add(ptdeb); |
| 1565 | } |
| 1566 | |
| 1567 | if (iwline->HasLastPoint()) { |
| 1568 | indlast = iwline->LastPointIndex(); |
| 1569 | const IntSurf_PathPoint& PPoint = seqpdep(indlast); |
| 1570 | Standard_Integer themult = PPoint.Multiplicity(); |
| 1571 | for (i=NbPointRst; i>=1; i--) { |
| 1572 | if (Destination(i) == indlast) { |
| 1573 | PPoint.Parameters(themult,U,V); |
| 1574 | ptfin.SetValue(PPoint.Value(),U,V); |
| 1575 | ptfin.SetParameter((Standard_Real)(Nbpts)); |
| 1576 | const Contap_ThePathPointOfTheSearch& PStart = solrst.Point(i); |
| 1577 | const Handle(Adaptor2d_HCurve2d)& currentarc = PStart.Arc(); |
| 1578 | currentparam = PStart.Parameter(); |
| 1579 | |
| 1580 | if (!iwline->IsTangentAtEnd()) { |
| 1581 | |
| 1582 | Contap_HCurve2dTool::D1(currentarc,currentparam,pt2d,d2d); |
| 1583 | |
| 1584 | Contap_SurfProps::DerivAndNorm(Surf,pt2d.X(),pt2d.Y(), |
| 1585 | ptonsurf,d1u,d1v,normale); |
| 1586 | tgtrst = d2d.X()*d1u; |
| 1587 | tgtrst.Add(d2d.Y()*d1v); |
| 1588 | IntSurf::MakeTransition(PPoint.Direction3d().Reversed(), |
| 1589 | tgtrst,normale,TLine,TArc); |
| 1590 | } |
| 1591 | else { |
| 1592 | TLine.SetValue(); |
| 1593 | TArc.SetValue(); |
| 1594 | } |
| 1595 | |
| 1596 | ptfin.SetArc(currentarc,currentparam,TLine,TArc); |
| 1597 | |
| 1598 | if (!solrst.Point(i).IsNew()) { |
| 1599 | ptfin.SetVertex(PStart.Vertex()); |
| 1600 | } |
| 1601 | theline.Add(ptfin); |
| 1602 | themult--; |
| 1603 | } |
| 1604 | } |
| 1605 | } |
| 1606 | else { |
| 1607 | iwline->Value(Nbpts).ParametersOnS2(U,V); |
| 1608 | ptfin.SetValue(theline.Point(Nbpts).Value(),U,V); |
| 1609 | ptfin.SetParameter((Standard_Real)(Nbpts)); |
| 1610 | theline.Add(ptfin); |
| 1611 | } |
| 1612 | |
| 1613 | ComputeInternalPoints(theline,mySFunc,EpsU,EpsV); |
| 1614 | LineConstructor(slin,Domain,theline,Surf); //-- lbr |
| 1615 | //-- slin.Append(theline); |
| 1616 | theline.ResetSeqOfVertex(); |
| 1617 | } |
| 1618 | |
| 1619 | |
| 1620 | Nblines = slin.Length(); |
| 1621 | for (j=1; j<=Nblines-1; j++) { |
| 1622 | const Contap_Line& theli = slin(j); |
| 1623 | Nbvt1 = theli.NbVertex(); |
| 1624 | for (ivt1=1; ivt1<=Nbvt1; ivt1++) { |
| 1625 | if (!theli.Vertex(ivt1).IsOnArc()) { |
| 1626 | const gp_Pnt& pttg1 = theli.Vertex(ivt1).Value(); |
| 1627 | |
| 1628 | for (k=j+1; k<=Nblines;k++) { |
| 1629 | const Contap_Line& theli2 = slin(k); |
| 1630 | Nbvt2 = theli2.NbVertex(); |
| 1631 | for (ivt2=1; ivt2<=Nbvt2; ivt2++) { |
| 1632 | if (!theli2.Vertex(ivt2).IsOnArc()) { |
| 1633 | const gp_Pnt& pttg2 = theli2.Vertex(ivt2).Value(); |
| 1634 | |
| 1635 | if (pttg1.Distance(pttg2) <= TolArc) { |
| 1636 | theli.Vertex(ivt1).SetMultiple(); |
| 1637 | theli2.Vertex(ivt2).SetMultiple(); |
| 1638 | } |
| 1639 | } |
| 1640 | } |
| 1641 | } |
| 1642 | } |
| 1643 | } |
| 1644 | } |
| 1645 | } |
| 1646 | |
| 1647 | // jag 940620 On ajoute le traitement des restrictions solutions. |
| 1648 | |
| 1649 | if (solrst.NbSegments() !=0) { |
| 1650 | ProcessSegments(solrst,slin,TolArc,mySFunc,Domain); |
| 1651 | } |
| 1652 | |
| 1653 | |
| 1654 | // Ajout crad pour depanner CMA en attendant mieux |
| 1655 | if (solrst.NbSegments() !=0) { |
| 1656 | |
| 1657 | Nblines = slin.Length(); |
| 1658 | for (j=1; j<=Nblines; j++) { |
| 1659 | const Contap_Line& theli = slin(j); |
| 1660 | if (theli.TypeContour() == Contap_Walking) { |
| 1661 | Nbvt1 = theli.NbVertex(); |
| 1662 | for (ivt1=1; ivt1<=Nbvt1; ivt1++) { |
| 1663 | Contap_Point& ptvt = theli.Vertex(ivt1); |
| 1664 | if (!ptvt.IsOnArc() && !ptvt.IsMultiple()) { |
| 1665 | Standard_Real Up,Vp; |
| 1666 | ptvt.Parameters(Up,Vp); |
| 1667 | gp_Pnt2d toproj(Up,Vp); |
| 1668 | Standard_Boolean projok; |
| 1669 | for (k=1; k<=Nblines;k++) { |
| 1670 | if (slin(k).TypeContour() == Contap_Restriction) { |
| 1671 | const Handle(Adaptor2d_HCurve2d)& thearc = slin(k).Arc(); |
| 1672 | Standard_Real paramproj; |
| 1673 | gp_Pnt2d Ptproj; |
| 1674 | projok = Contap_HContTool::Project(thearc,toproj,paramproj,Ptproj); |
| 1675 | |
| 1676 | if (projok) { |
| 1677 | Standard_Real dist = Ptproj.Distance(gp_Pnt2d(Up,Vp)); |
| 1678 | if (dist <= Preci) { |
| 1679 | // Calcul de la transition |
| 1680 | |
| 1681 | Contap_HCurve2dTool::D1(thearc,paramproj,Ptproj,d2d); |
| 1682 | // Adaptor3d_HSurfaceTool::D1(Surf,Ptproj.X(),Ptproj.Y(), |
| 1683 | // ptonsurf,d1u,d1v); |
| 1684 | // normale = d1u.Crossed(d1v); |
| 1685 | |
| 1686 | Contap_SurfProps::DerivAndNorm |
| 1687 | (Surf,Ptproj.X(),Ptproj.Y(),ptonsurf,d1u,d1v,normale); |
| 1688 | |
| 1689 | tgtrst = d2d.X()*d1u; |
| 1690 | tgtrst.Add(d2d.Y()*d1v); |
| 1691 | Standard_Integer Paraml = |
| 1692 | (Standard_Integer) ptvt.ParameterOnLine(); |
| 1693 | |
| 1694 | if (Paraml == theli.NbPnts()) { |
| 1695 | tgline = gp_Vec(theli.Point(Paraml-1).Value(), |
| 1696 | ptvt.Value()); |
| 1697 | } |
| 1698 | else { |
| 1699 | tgline = gp_Vec(ptvt.Value(), |
| 1700 | theli.Point(Paraml+1).Value()); |
| 1701 | } |
| 1702 | IntSurf::MakeTransition(tgline,tgtrst,normale, |
| 1703 | TLine,TArc); |
| 1704 | ptvt.SetArc(thearc,paramproj,TLine,TArc); |
| 1705 | ptvt.SetMultiple(); |
| 1706 | ptdeb.SetValue(ptonsurf,Ptproj.X(),Ptproj.Y()); |
| 1707 | ptdeb.SetParameter(paramproj); |
| 1708 | ptdeb.SetMultiple(); |
| 1709 | slin(k).Add(ptdeb); |
| 1710 | break; |
| 1711 | } |
| 1712 | else { |
| 1713 | projok = Standard_False; |
| 1714 | } |
| 1715 | } |
| 1716 | } |
| 1717 | else { |
| 1718 | projok = Standard_False; |
| 1719 | } |
| 1720 | if (projok) { |
| 1721 | break; |
| 1722 | } |
| 1723 | } |
| 1724 | } |
| 1725 | } |
| 1726 | } |
| 1727 | } |
| 1728 | } |
| 1729 | done = Standard_True; |
| 1730 | } |
| 1731 | |
| 1732 | static Standard_Boolean FindLine(Contap_Line& Line, |
| 1733 | const Handle(Adaptor3d_HSurface)& Surf, |
| 1734 | const gp_Pnt2d& Pt2d, |
| 1735 | gp_Pnt& Ptref, |
| 1736 | Standard_Real& Paramin, |
| 1737 | gp_Vec& Tgmin, |
| 1738 | gp_Vec& Norm) |
| 1739 | { |
| 1740 | // Standard_Integer i; |
| 1741 | gp_Pnt pt,ptmin; |
| 1742 | gp_Vec tg; |
| 1743 | Standard_Real para,dist; |
| 1744 | Standard_Real dismin = RealLast(); |
| 1745 | |
| 1746 | Contap_SurfProps::Normale(Surf,Pt2d.X(),Pt2d.Y(),Ptref,Norm); |
| 1747 | |
| 1748 | if (Line.TypeContour() == Contap_Lin) { |
| 1749 | gp_Lin lin(Line.Line()); |
| 1750 | para = ElCLib::Parameter(lin,Ptref); |
| 1751 | ElCLib::D1(para,lin,pt,tg); |
| 1752 | dist = pt.Distance(Ptref) + Abs(Norm.Dot(lin.Direction())); |
| 1753 | } |
| 1754 | else { // Contap__Circle |
| 1755 | gp_Circ cir(Line.Circle()); |
| 1756 | para = ElCLib::Parameter(cir,Ptref); |
| 1757 | ElCLib::D1(para,cir,pt,tg); |
| 1758 | dist = pt.Distance(Ptref)+Abs(Norm.Dot(tg/cir.Radius())); |
| 1759 | } |
| 1760 | if (dist < dismin) { |
| 1761 | dismin = dist; |
| 1762 | Paramin = para; |
| 1763 | ptmin = pt; |
| 1764 | Tgmin = tg; |
| 1765 | } |
| 1766 | if (ptmin.SquareDistance(Ptref) <= Tolpetit) { |
| 1767 | return Standard_True; |
| 1768 | } |
| 1769 | else { |
| 1770 | return Standard_False; |
| 1771 | } |
| 1772 | } |
| 1773 | |
| 1774 | |
| 1775 | static void PutPointsOnLine (const Contap_TheSearch& solrst, |
| 1776 | const Handle(Adaptor3d_HSurface)& Surf, |
| 1777 | Contap_TheSequenceOfLine& slin) |
| 1778 | |
| 1779 | { |
| 1780 | Standard_Integer i,l;//,index; |
| 1781 | Standard_Integer NbPoints = solrst.NbPoints(); |
| 1782 | |
| 1783 | Standard_Real theparam; |
| 1784 | |
| 1785 | IntSurf_Transition TLine,TArc; |
| 1786 | Standard_Boolean goon; |
| 1787 | |
| 1788 | gp_Pnt2d pt2d; |
| 1789 | gp_Vec2d d2d; |
| 1790 | |
| 1791 | gp_Pnt ptonsurf; |
| 1792 | gp_Vec vectg,normale,tgtrst; |
| 1793 | Standard_Real paramlin = 0.0; |
| 1794 | |
| 1795 | |
| 1796 | Standard_Integer nbLin = slin.Length(); |
| 1797 | for(l=1;l<=nbLin;l++) { |
| 1798 | Contap_Line& Line=slin.ChangeValue(l); |
| 1799 | for (i=1; i<= NbPoints; i++) { |
| 1800 | |
| 1801 | const Contap_ThePathPointOfTheSearch& PStart = solrst.Point(i); |
| 1802 | const Handle(Adaptor2d_HCurve2d)& thearc = PStart.Arc(); |
| 1803 | theparam = PStart.Parameter(); |
| 1804 | |
| 1805 | Contap_HCurve2dTool::D1(thearc,theparam,pt2d,d2d); |
| 1806 | goon = FindLine(Line,Surf,pt2d,ptonsurf,paramlin,vectg,normale); |
| 1807 | |
| 1808 | Contap_Point PPoint; |
| 1809 | |
| 1810 | if (goon) { |
| 1811 | gp_Vec d1u,d1v; |
| 1812 | gp_Pnt bidpt; |
| 1813 | Adaptor3d_HSurfaceTool::D1(Surf,pt2d.X(),pt2d.Y(),bidpt,d1u,d1v); |
| 1814 | PPoint.SetValue(ptonsurf,pt2d.X(),pt2d.Y()); |
| 1815 | if (normale.Magnitude() < RealEpsilon()) { |
| 1816 | TLine.SetValue(); |
| 1817 | TArc.SetValue(); |
| 1818 | } |
| 1819 | else { |
| 1820 | // Petit test qui devrait permettre de bien traiter les pointes |
| 1821 | // des cones, et les sommets d`une sphere. Il faudrait peut-etre |
| 1822 | // rajouter une methode dans SurfProps |
| 1823 | |
| 1824 | if (Abs(d2d.Y()) <= Precision::Confusion()) { |
| 1825 | tgtrst = d1v.Crossed(normale); |
| 1826 | if(d2d.X() < 0.0) |
| 1827 | tgtrst.Reverse(); |
| 1828 | } |
| 1829 | else { |
| 1830 | tgtrst.SetLinearForm(d2d.X(),d1u,d2d.Y(),d1v); |
| 1831 | } |
| 1832 | IntSurf::MakeTransition(vectg,tgtrst,normale,TLine,TArc); |
| 1833 | } |
| 1834 | |
| 1835 | PPoint.SetArc(thearc,theparam, TLine, TArc); |
| 1836 | PPoint.SetParameter(paramlin); |
| 1837 | if (!PStart.IsNew()) { |
| 1838 | PPoint.SetVertex(PStart.Vertex()); |
| 1839 | } |
| 1840 | Line.Add(PPoint); |
| 1841 | } |
| 1842 | } |
| 1843 | } |
| 1844 | } |
| 1845 | |
| 1846 | |
| 1847 | //---------------------------------------------------------------------------------- |
| 1848 | //-- Orientation des contours Apparents quand ceux-ci sont des lignes ou des cercles |
| 1849 | //-- On prend un point de la ligne ou du cercle ---> P |
| 1850 | //-- On projete ce point sur la surface P ---> u,v |
| 1851 | //-- et on evalue la transition au point u,v |
| 1852 | //---------------------------------------------------------------------------------- |
| 1853 | |
| 1854 | IntSurf_TypeTrans ComputeTransitionOngpLine |
| 1855 | (Contap_SurfFunction& SFunc, |
| 1856 | const gp_Lin& L) |
| 1857 | { |
| 1858 | const Handle(Adaptor3d_HSurface)& Surf=SFunc.Surface(); |
| 1859 | GeomAbs_SurfaceType typS = Adaptor3d_HSurfaceTool::GetType(Surf); |
| 1860 | gp_Pnt P; |
| 1861 | gp_Vec T; |
| 1862 | ElCLib::D1(0.0,L,P,T); |
| 1863 | Standard_Real u = 0.,v = 0.; |
| 1864 | switch (typS) { |
| 1865 | case GeomAbs_Cylinder: { |
| 1866 | ElSLib::Parameters(Adaptor3d_HSurfaceTool::Cylinder(Surf),P,u,v); |
| 1867 | break; |
| 1868 | } |
| 1869 | case GeomAbs_Cone: { |
| 1870 | ElSLib::Parameters(Adaptor3d_HSurfaceTool::Cone(Surf),P,u,v); |
| 1871 | break; |
| 1872 | } |
| 1873 | case GeomAbs_Sphere: { |
| 1874 | ElSLib::Parameters(Adaptor3d_HSurfaceTool::Sphere(Surf),P,u,v); |
| 1875 | break; |
| 1876 | } |
| 1877 | default: |
| 1878 | break; |
| 1879 | } |
| 1880 | return(ComputeTransitionOnLine(SFunc,u,v,T)); |
| 1881 | } |
| 1882 | |
| 1883 | |
| 1884 | IntSurf_TypeTrans ComputeTransitionOngpCircle |
| 1885 | (Contap_SurfFunction& SFunc, |
| 1886 | const gp_Circ& C) |
| 1887 | { |
| 1888 | const Handle(Adaptor3d_HSurface)& Surf=SFunc.Surface(); |
| 1889 | GeomAbs_SurfaceType typS = Adaptor3d_HSurfaceTool::GetType(Surf); |
| 1890 | gp_Pnt P; |
| 1891 | gp_Vec T; |
| 1892 | ElCLib::D1(0.0,C,P,T); |
| 1893 | Standard_Real u = 0.,v = 0.; |
| 1894 | switch (typS) { |
| 1895 | case GeomAbs_Cylinder: { |
| 1896 | ElSLib::Parameters(Adaptor3d_HSurfaceTool::Cylinder(Surf),P,u,v); |
| 1897 | break; |
| 1898 | } |
| 1899 | case GeomAbs_Cone: { |
| 1900 | ElSLib::Parameters(Adaptor3d_HSurfaceTool::Cone(Surf),P,u,v); |
| 1901 | break; |
| 1902 | } |
| 1903 | case GeomAbs_Sphere: { |
| 1904 | ElSLib::Parameters(Adaptor3d_HSurfaceTool::Sphere(Surf),P,u,v); |
| 1905 | break; |
| 1906 | } |
| 1907 | default: |
| 1908 | break; |
| 1909 | } |
| 1910 | return(ComputeTransitionOnLine(SFunc,u,v,T)); |
| 1911 | } |
| 1912 | |
| 1913 | |
| 1914 | void Contap_Contour::PerformAna(const Handle(Adaptor3d_TopolTool)& Domain) |
| 1915 | { |
| 1916 | |
| 1917 | done = Standard_False; |
| 1918 | slin.Clear(); |
| 1919 | |
| 1920 | Standard_Real TolArc = 1.e-5; |
| 1921 | |
| 1922 | Standard_Integer nbCont, nbPointRst, i; |
| 1923 | //gp_Circ cirsol; |
| 1924 | //gp_Lin linsol; |
| 1925 | Contap_ContAna contana; |
| 1926 | Contap_Line theline; |
| 1927 | const Handle(Adaptor3d_HSurface)& Surf = mySFunc.Surface(); |
| 1928 | Contap_TFunction TypeFunc(mySFunc.FunctionType()); |
| 1929 | Standard_Boolean PerformSolRst = Standard_True; |
| 1930 | |
| 1931 | GeomAbs_SurfaceType typS = Adaptor3d_HSurfaceTool::GetType(Surf); |
| 1932 | |
| 1933 | switch (typS) { |
| 1934 | case GeomAbs_Plane: |
| 1935 | { |
| 1936 | gp_Pln pl(Adaptor3d_HSurfaceTool::Plane(Surf)); |
| 1937 | switch (TypeFunc) { |
| 1938 | case Contap_ContourStd: |
| 1939 | { |
| 1940 | gp_Dir Dirpln(pl.Axis().Direction()); |
| 1941 | if (Abs(mySFunc.Direction().Dot(Dirpln)) > Precision::Angular()) { |
| 1942 | // Aucun point du plan n`est solution, en particulier aucun point |
| 1943 | // sur restriction. |
| 1944 | PerformSolRst = Standard_False; |
| 1945 | } |
| 1946 | } |
| 1947 | break; |
| 1948 | case Contap_ContourPrs: |
| 1949 | { |
| 1950 | gp_Pnt Eye(mySFunc.Eye()); |
| 1951 | if (pl.Distance(Eye) > Precision::Confusion()) { |
| 1952 | // Aucun point du plan n`est solution, en particulier aucun point |
| 1953 | // sur restriction. |
| 1954 | PerformSolRst = Standard_False; |
| 1955 | } |
| 1956 | } |
| 1957 | break; |
| 1958 | case Contap_DraftStd: |
| 1959 | { |
| 1960 | gp_Dir Dirpln(pl.Axis().Direction()); |
| 1961 | Standard_Real Sina = Sin(mySFunc.Angle()); |
| 1962 | if (Abs(mySFunc.Direction().Dot(Dirpln)+ Sina) > //voir SurfFunction |
| 1963 | Precision::Angular()) { |
| 1964 | |
| 1965 | PerformSolRst = Standard_False; |
| 1966 | } |
| 1967 | } |
| 1968 | break; |
| 1969 | case Contap_DraftPrs: |
| 1970 | default: |
| 1971 | { |
| 1972 | } |
| 1973 | } |
| 1974 | } |
| 1975 | break; |
| 1976 | |
| 1977 | case GeomAbs_Sphere: |
| 1978 | { |
| 1979 | switch (TypeFunc) { |
| 1980 | case Contap_ContourStd: |
| 1981 | { |
| 1982 | contana.Perform(Adaptor3d_HSurfaceTool::Sphere(Surf),mySFunc.Direction()); |
| 1983 | } |
| 1984 | break; |
| 1985 | case Contap_ContourPrs: |
| 1986 | { |
| 1987 | contana.Perform(Adaptor3d_HSurfaceTool::Sphere(Surf),mySFunc.Eye()); |
| 1988 | } |
| 1989 | break; |
| 1990 | case Contap_DraftStd: |
| 1991 | { |
| 1992 | contana.Perform(Adaptor3d_HSurfaceTool::Sphere(Surf), |
| 1993 | mySFunc.Direction(),mySFunc.Angle()); |
| 1994 | } |
| 1995 | break; |
| 1996 | case Contap_DraftPrs: |
| 1997 | default: |
| 1998 | { |
| 1999 | } |
| 2000 | } |
| 2001 | } |
| 2002 | break; |
| 2003 | |
| 2004 | case GeomAbs_Cylinder: |
| 2005 | { |
| 2006 | switch (TypeFunc) { |
| 2007 | case Contap_ContourStd: |
| 2008 | { |
| 2009 | contana.Perform(Adaptor3d_HSurfaceTool::Cylinder(Surf),mySFunc.Direction()); |
| 2010 | } |
| 2011 | break; |
| 2012 | case Contap_ContourPrs: |
| 2013 | { |
| 2014 | contana.Perform(Adaptor3d_HSurfaceTool::Cylinder(Surf),mySFunc.Eye()); |
| 2015 | } |
| 2016 | break; |
| 2017 | case Contap_DraftStd: |
| 2018 | { |
| 2019 | contana.Perform(Adaptor3d_HSurfaceTool::Cylinder(Surf), |
| 2020 | mySFunc.Direction(),mySFunc.Angle()); |
| 2021 | } |
| 2022 | break; |
| 2023 | case Contap_DraftPrs: |
| 2024 | default: |
| 2025 | { |
| 2026 | } |
| 2027 | } |
| 2028 | } |
| 2029 | break; |
| 2030 | |
| 2031 | case GeomAbs_Cone: |
| 2032 | { |
| 2033 | switch (TypeFunc) { |
| 2034 | case Contap_ContourStd: |
| 2035 | { |
| 2036 | contana.Perform(Adaptor3d_HSurfaceTool::Cone(Surf),mySFunc.Direction()); |
| 2037 | } |
| 2038 | break; |
| 2039 | case Contap_ContourPrs: |
| 2040 | { |
| 2041 | contana.Perform(Adaptor3d_HSurfaceTool::Cone(Surf),mySFunc.Eye()); |
| 2042 | } |
| 2043 | break; |
| 2044 | case Contap_DraftStd: |
| 2045 | { |
| 2046 | contana.Perform(Adaptor3d_HSurfaceTool::Cone(Surf), |
| 2047 | mySFunc.Direction(),mySFunc.Angle()); |
| 2048 | } |
| 2049 | break; |
| 2050 | case Contap_DraftPrs: |
| 2051 | default: |
| 2052 | { |
| 2053 | } |
| 2054 | } |
| 2055 | default: |
| 2056 | break; |
| 2057 | } |
| 2058 | break; |
| 2059 | } |
| 2060 | |
| 2061 | if (typS != GeomAbs_Plane) { |
| 2062 | |
| 2063 | if (!contana.IsDone()) { |
| 2064 | return; |
| 2065 | } |
| 2066 | |
| 2067 | nbCont = contana.NbContours(); |
| 2068 | |
| 2069 | if (contana.NbContours() == 0) { |
| 2070 | done = Standard_True; |
| 2071 | return; |
| 2072 | } |
| 2073 | |
| 2074 | GeomAbs_CurveType typL = contana.TypeContour(); |
| 2075 | if (typL == GeomAbs_Circle) { |
| 2076 | theline.SetValue(contana.Circle()); |
| 2077 | IntSurf_TypeTrans TransCircle; |
| 2078 | TransCircle = ComputeTransitionOngpCircle(mySFunc,contana.Circle()); |
| 2079 | theline.SetTransitionOnS(TransCircle); |
| 2080 | slin.Append(theline); |
| 2081 | } |
| 2082 | else if (typL == GeomAbs_Line) { |
| 2083 | for (i=1; i<=nbCont; i++) { |
| 2084 | theline.SetValue(contana.Line(i)); |
| 2085 | IntSurf_TypeTrans TransLine; |
| 2086 | TransLine = ComputeTransitionOngpLine(mySFunc,contana.Line(i)); |
| 2087 | theline.SetTransitionOnS(TransLine); |
| 2088 | slin.Append(theline); |
| 2089 | theline.Clear(); |
| 2090 | } |
| 2091 | |
| 2092 | /* |
| 2093 | if (typS == GeomAbs_Cone) { |
| 2094 | Standard_Real u,v; |
| 2095 | gp_Cone thecone(Adaptor3d_HSurfaceTool::Cone(Surf)); |
| 2096 | ElSLib::Parameters(thecone,thecone.Apex(),u,v); |
| 2097 | Contap_Point vtxapex(thecone.Apex(),u,v); |
| 2098 | vtxapex.SetInternal(); |
| 2099 | vtxapex.SetMultiple(); |
| 2100 | for (i=1; i<=nbCont i++) { |
| 2101 | slin.ChangeValue(i).Add(vtxapex); |
| 2102 | } |
| 2103 | } |
| 2104 | */ |
| 2105 | } |
| 2106 | } |
| 2107 | |
| 2108 | if(PerformSolRst) { |
| 2109 | |
| 2110 | solrst.Perform(myAFunc,Domain,TolArc,TolArc); |
| 2111 | if (!solrst.IsDone()) { |
| 2112 | return; |
| 2113 | } |
| 2114 | nbPointRst = solrst.NbPoints(); |
| 2115 | |
| 2116 | if (nbPointRst != 0) { |
| 2117 | PutPointsOnLine(solrst,Surf,slin); |
| 2118 | } |
| 2119 | |
| 2120 | if (solrst.NbSegments() !=0) { |
| 2121 | ProcessSegments(solrst,slin,TolArc,mySFunc,Domain); |
| 2122 | } |
| 2123 | |
| 2124 | |
| 2125 | //-- lbr |
| 2126 | //Standard_Boolean oneremov; |
| 2127 | Standard_Integer nblinto = slin.Length(); |
| 2128 | TColStd_SequenceOfInteger SeqToDestroy; |
| 2129 | |
| 2130 | //-- cout<<" Construct Contour_3 nblin = "<<nblinto<<endl; |
| 2131 | for(i=1; i<= nblinto ; i++) { |
| 2132 | //-- cout<<" nbvtx : "<<slin.Value(i).NbVertex()<<endl; |
| 2133 | //--if(slin.Value(i).NbVertex() > 1) { |
| 2134 | if(slin.Value(i).TypeContour() != Contap_Restriction) { |
| 2135 | LineConstructor(slin,Domain,slin.ChangeValue(i),Surf); |
| 2136 | SeqToDestroy.Append(i); |
| 2137 | } |
| 2138 | //-- } |
| 2139 | } |
| 2140 | for(i=SeqToDestroy.Length(); i>=1; i--) { |
| 2141 | slin.Remove(SeqToDestroy.Value(i)); |
| 2142 | } |
| 2143 | } |
| 2144 | |
| 2145 | done = Standard_True; |
| 2146 | } |
| 2147 | |