src/BRepTopAdaptor/BRepTopAdaptor_FClass2d.cxx

   1 // Created on: 1995-03-22
   2 // Created by: Laurent BUCHARD
   3 // Copyright (c) 1995-1999 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 #define AFFICHAGE 0
  18
  19 #define No_Standard_OutOfRange
  20
  21 #include <BRepTopAdaptor_FClass2d.ixx>
  22
  23 #include <TopoDS_Edge.hxx>
  24 #include <TopoDS.hxx>
  25 #include <BRep_Tool.hxx>
  26 #include <TopAbs_Orientation.hxx>
  27 #include <TopExp_Explorer.hxx>
  28 #include <TColgp_SequenceOfPnt2d.hxx>
  29 #include <BRepTools_WireExplorer.hxx>
  30 #include <Geom2dInt_Geom2dCurveTool.hxx>
  31 #include <BRepAdaptor_Curve2d.hxx>
  32 #include <TColgp_Array1OfPnt2d.hxx>
  33 #include <BRepClass_FaceClassifier.hxx>
  34 #include <CSLib_Class2d.hxx>
  35 #include <GeomAbs_SurfaceType.hxx>
  36 #include <BRepAdaptor_HSurface.hxx>
  37 #include <TopExp.hxx>
  38 #include <BRepAdaptor_Curve.hxx>
  39
  40 #include <gp_Pnt.hxx>
  41 #include <ElCLib.hxx>
  42
  43 #include <Precision.hxx>
  44
  45 #ifdef WNT
  46 #include <stdio.h>
  47 #endif
  48
  49
  50 #ifdef OCCT_DEBUG
  51 #define LBRCOMPT 0
  52 #else
  53 #define LBRCOMPT 0
  54 #endif
  55
  56
  57 #if LBRCOMPT
  58 class StatistiquesFClass2d {
  59 public:
  60   long unsigned NbConstrShape;
  61   long unsigned NbPerformInfinitePoint;
  62   long unsigned NbPerform;
  63   long unsigned NbTestOnRestriction;
  64   long unsigned NbDestroy;
  65 public:
  66   StatistiquesFClass2d() {
  67     NbConstrShape=NbPerform=NbPerformInfinitePoint=NbDestroy=0;
  68   }
  69   ~StatistiquesFClass2d() {
  70     printf("\n--- Statistiques BRepTopAdaptor:\n");
  71     printf("\nConstructeur(Shape) : %10lu",NbConstrShape);
  72     printf("\nPerformInfinitePoint: %10lu",NbPerformInfinitePoint);
  73     printf("\nTestOnRestriction   : %10lu",NbTestOnRestriction);
  74     printf("\nPerform(pnt2d)      : %10lu",NbPerform);
  75     printf("\nDestroy             : %10lu",NbDestroy);
  76   }
  77 };
  78
  79 static StatistiquesFClass2d STAT;
  80 #endif
  81
  82
  83
  84
  85 BRepTopAdaptor_FClass2d::BRepTopAdaptor_FClass2d(const TopoDS_Face& aFace,const Standard_Real TolUV)
  86 : Toluv(TolUV), Face(aFace)  {
  87
  88 #if LBRCOMPT
  89   STAT.NbConstrShape++;
  90 #endif
  91
  92   //-- dead end on surfaces defined on more than one period
  93
  94   Face.Orientation(TopAbs_FORWARD);
  95   Handle(BRepAdaptor_HSurface) surf = new BRepAdaptor_HSurface();
  96   surf->ChangeSurface().Initialize(aFace,Standard_False);
  97
  98   TopoDS_Edge  edge;
  99   TopAbs_Orientation Or;
 100   Standard_Real u,du,Tole = 0.0,Tol=0.0;
 101   BRepTools_WireExplorer WireExplorer;
 102   TopExp_Explorer FaceExplorer;
 103
 104   Umin = Vmin = 0.0; //RealLast();
 105   Umax = Vmax = -Umin;
 106
 107   Standard_Integer BadWire=0;
 108   for( FaceExplorer.Init(Face,TopAbs_WIRE); (FaceExplorer.More() && BadWire==0); FaceExplorer.Next() )
 109     {
 110       Standard_Integer nbpnts = 0;
 111       TColgp_SequenceOfPnt2d SeqPnt2d;
 112       Standard_Integer firstpoint = 1;
 113       Standard_Real FlecheU = 0.0;
 114       Standard_Real FlecheV = 0.0;
 115       Standard_Boolean WireIsNotEmpty = Standard_False;
 116       Standard_Integer NbEdges = 0;
 117
 118       TopExp_Explorer Explorer;
 119       for( Explorer.Init(FaceExplorer.Current(),TopAbs_EDGE); Explorer.More(); Explorer.Next() ) NbEdges++;
 120
 121       gp_Pnt Ancienpnt3d(0,0,0);
 122       Standard_Boolean Ancienpnt3dinitialise = Standard_False;
 123
 124       for( WireExplorer.Init(TopoDS::Wire(FaceExplorer.Current()),Face); WireExplorer.More(); WireExplorer.Next() )
 125         {
 126
 127           NbEdges--;
 128           edge = WireExplorer.Current();
 129           Or = edge.Orientation();
 130           if(Or == TopAbs_FORWARD || Or == TopAbs_REVERSED)
 131             {
 132               Standard_Real pfbid,plbid;
 133               if(BRep_Tool::CurveOnSurface(edge,Face,pfbid,plbid).IsNull()) return;
 134               BRepAdaptor_Curve2d C(edge,Face);
 135
 136               //-- ----------------------------------------
 137               Standard_Boolean degenerated=Standard_False;
 138               if(BRep_Tool::Degenerated(edge))   degenerated=Standard_True;
 139               if(BRep_Tool::IsClosed(edge,Face)) degenerated=Standard_True;
 140               TopoDS_Vertex Va,Vb;
 141               TopExp::Vertices(edge,Va,Vb);
 142               Standard_Real TolVertex1=0.,TolVertex=0.;
 143               if (Va.IsNull()) degenerated=Standard_True;
 144               else TolVertex1=BRep_Tool::Tolerance(Va);
 145               if (Vb.IsNull()) degenerated=Standard_True;
 146               else TolVertex=BRep_Tool::Tolerance(Vb);
 147               if(TolVertex<TolVertex1) TolVertex=TolVertex1;
 148               BRepAdaptor_Curve C3d;
 149
 150               if(Abs(plbid-pfbid) < 1.e-9) continue;
 151
 152               //if(degenerated==Standard_False)
 153               //  C3d.Initialize(edge,Face);
 154
 155               //-- Check cases when it was forgotten to code degenerated :  PRO17410 (janv 99)
 156               if(degenerated == Standard_False)
 157                 {
 158                   C3d.Initialize(edge,Face);
 159                   du=(plbid-pfbid)*0.1;
 160                   u=pfbid+du;
 161                   gp_Pnt P3da=C3d.Value(u);
 162                   degenerated=Standard_True;
 163                   u+=du;
 164                   do
 165                     {
 166
 167                       gp_Pnt P3db=C3d.Value(u);
 168                       //                      if(P3da.SquareDistance(P3db)) { degenerated=Standard_False; break; }
 169                       if(P3da.SquareDistance(P3db) > Precision::Confusion()) { degenerated=Standard_False; break; }
 170                       u+=du;
 171                     }
 172                   while(u<plbid);
 173                 }
 174
 175               //-- ----------------------------------------
 176
 177               Tole = BRep_Tool::Tolerance(edge);
 178               if(Tole>Tol) Tol=Tole;
 179
 180               //Standard_Integer nbs = 1 + Geom2dInt_Geom2dCurveTool::NbSamples(C);
 181               Standard_Integer nbs = Geom2dInt_Geom2dCurveTool::NbSamples(C);
 182               //-- Attention to rational bsplines of degree 3. (ends of circles among others)
 183               if (nbs > 2) nbs*=4;
 184               du = (plbid-pfbid)/(Standard_Real)(nbs-1);
 185
 186               if(Or==TopAbs_FORWARD) u = pfbid;
 187               else { u = plbid; du=-du; }
 188
 189               //-- ------------------------------------------------------------
 190               //-- Check distance uv between the start point of the edge
 191               //-- and the last point registered in SeqPnt2d
 192               //-- Try to remote the first point of the current edge
 193               //-- from the last saved point
 194 #ifdef OCCT_DEBUG
 195               gp_Pnt2d Pnt2dDebutEdgeCourant=
 196 #endif
 197               C.Value(u);
 198
 199               //Standard_Real Baillement2dU=0;
 200               //Standard_Real Baillement2dV=0;
 201 #if AFFICHAGE
 202               if(nbpnts>1) printf("\nTolVertex %g ",TolVertex);
 203 #endif
 204
 205               if(firstpoint==2) u+=du;
 206               Standard_Integer Avant = nbpnts;
 207               for(Standard_Integer e = firstpoint; e<=nbs; e++)
 208                 {
 209                   gp_Pnt2d P2d = C.Value(u);
 210                   if(P2d.X()<Umin) Umin = P2d.X();
 211                   if(P2d.X()>Umax) Umax = P2d.X();
 212                   if(P2d.Y()<Vmin) Vmin = P2d.Y();
 213                   if(P2d.Y()>Vmax) Vmax = P2d.Y();
 214
 215                   Standard_Real dist3dptcourant_ancienpnt=1e+20;//RealLast();
 216                   gp_Pnt P3d;
 217                   if(degenerated==Standard_False)
 218                     {
 219                       P3d=C3d.Value(u);
 220                       if(nbpnts>1 && Ancienpnt3dinitialise) dist3dptcourant_ancienpnt = P3d.Distance(Ancienpnt3d);
 221                     }
 222                   Standard_Boolean IsRealCurve3d = Standard_True; //patch
 223                   if(dist3dptcourant_ancienpnt < Precision::Confusion())
 224                     {
 225                       gp_Pnt MidP3d = C3d.Value( u-du/2. );
 226                       if (P3d.Distance( MidP3d ) < Precision::Confusion()) IsRealCurve3d = Standard_False;
 227                     }
 228                   if(IsRealCurve3d)
 229                     {
 230                       if(degenerated==Standard_False) { Ancienpnt3d=P3d;  Ancienpnt3dinitialise=Standard_True; }
 231                       nbpnts++;
 232                       SeqPnt2d.Append(P2d);
 233                     }
 234 #if AFFICHAGE
 235                   else { static int mm=0; printf("\npoint p%d  %g %g %g",++mm,P3d.X(),P3d.Y(),P3d.Z()); }
 236 #endif
 237                   u+=du;
 238                   Standard_Integer ii = nbpnts;
 239                   //-- printf("\n nbpnts:%4d  u=%7.5g   FlecheU=%7.5g  FlecheV=%7.5g  ii=%3d  Avant=%3d ",nbpnts,u,FlecheU,FlecheV,ii,Avant);
 240 //                if(ii>(Avant+4))
 241 //  Modified by Sergey KHROMOV - Fri Apr 19 09:46:12 2002 Begin
 242                   if(ii>(Avant+4) && SeqPnt2d(ii-2).SquareDistance(SeqPnt2d(ii)))
 243 //  Modified by Sergey KHROMOV - Fri Apr 19 09:46:13 2002 End
 244                     {
 245                       gp_Lin2d Lin(SeqPnt2d(ii-2),gp_Dir2d(gp_Vec2d(SeqPnt2d(ii-2),SeqPnt2d(ii))));
 246                       Standard_Real ul = ElCLib::Parameter(Lin,SeqPnt2d(ii-1));
 247                       gp_Pnt2d Pp = ElCLib::Value(ul,Lin);
 248                       Standard_Real dU = Abs(Pp.X()-SeqPnt2d(ii-1).X());
 249                       Standard_Real dV = Abs(Pp.Y()-SeqPnt2d(ii-1).Y());
 250                       //-- printf(" (du=%7.5g   dv=%7.5g)",dU,dV);
 251                       if(dU>FlecheU) FlecheU = dU;
 252                       if(dV>FlecheV) FlecheV = dV;
 253                     }
 254                 }//for(e=firstpoint
 255               if(firstpoint==1) firstpoint=2;
 256               WireIsNotEmpty = Standard_True;
 257             }//if(Or==FORWARD,REVERSED
 258         } //-- Edges -> for(Ware.Explorer
 259
 260       if(NbEdges)
 261         { //-- on compte ++ with a normal explorer and with the Wire Explorer
 262 /*
 263 #ifdef OCCT_DEBUG
 264
 265           cout << endl;
 266           cout << "*** BRepTopAdaptor_Fclass2d  ** Wire Probablement FAUX **" << endl;
 267           cout << "*** WireExplorer does not find all edges " << endl;
 268           cout << "*** Connect old classifier" << endl;
 269 #endif
 270 */
 271           TColgp_Array1OfPnt2d PClass(1,2);
 272           //// modified by jgv, 28.04.2009 ////
 273           PClass.Init(gp_Pnt2d(0.,0.));
 274           /////////////////////////////////////
 275           TabClass.Append((void *)new CSLib_Class2d(PClass,FlecheU,FlecheV,Umin,Vmin,Umax,Vmax));
 276           BadWire=1;
 277           TabOrien.Append(-1);
 278         }
 279       else if(WireIsNotEmpty)
 280         {
 281           //Standard_Real anglep=0,anglem=0;
 282           TColgp_Array1OfPnt2d PClass(1,nbpnts);
 283           Standard_Real square = 0.0;
 284
 285           //-------------------------------------------------------------------
 286           //-- ** The mode of calculation was somewhat changed
 287           //-- Before Oct 31 97 , the total angle of
 288           //-- rotation of the wire was evaluated on all angles except for the last
 289           //-- ** Now, exactly the angle of rotation is evaluated
 290           //-- If a value remote from 2PI or -2PI is found, it means that there is
 291           //-- an uneven number of loops
 292
 293           if(nbpnts>3)
 294             {
 295 //            Standard_Integer im2=nbpnts-2;
 296               Standard_Integer im1=nbpnts-1;
 297               Standard_Integer im0=1;
 298 //            PClass(im2)=SeqPnt2d.Value(im2);
 299               PClass(im1)=SeqPnt2d.Value(im1);
 300               PClass(nbpnts)=SeqPnt2d.Value(nbpnts);
 301
 302
 303 //            for(Standard_Integer ii=1; ii<nbpnts; ii++,im0++,im1++,im2++)
 304               for(Standard_Integer ii=1; ii<nbpnts; ii++,im0++,im1++)
 305                 {
 306 //                if(im2>=nbpnts) im2=1;
 307                   if(im1>=nbpnts) im1=1;
 308                   PClass(ii)=SeqPnt2d.Value(ii);
 309 //                gp_Vec2d A(PClass(im2),PClass(im1));
 310 //                gp_Vec2d B(PClass(im1),PClass(im0));
 311 //                Standard_Real N = A.Magnitude() * B.Magnitude();
 312
 313                   square += (PClass(im0).X()-PClass(im1).X())*(PClass(im0).Y()+PClass(im1).Y())*.5;
 314
 315 //                if(N>1e-16){ Standard_Real a=A.Angle(B); angle+=a; }
 316                 }
 317
 318
 319               //-- FlecheU*=10.0;
 320               //-- FlecheV*=10.0;
 321               if(FlecheU<Toluv) FlecheU = Toluv;
 322               if(FlecheV<Toluv) FlecheV = Toluv;
 323               //-- cout<<" U:"<<FlecheU<<" V:"<<FlecheV<<endl;
 324               TabClass.Append((void *)new CSLib_Class2d(PClass,FlecheU,FlecheV,Umin,Vmin,Umax,Vmax));
 325
 326 //            if((angle<2 && angle>-2)||(angle>10)||(angle<-10))
 327 //              {
 328 //                BadWire=1;
 329 //                TabOrien.Append(-1);
 330 //#ifdef OCCT_DEBUG
 331 //                cout << endl;
 332 //                cout << "*** BRepTopAdaptor_Fclass2d  ** Wire Probably FALSE **" << endl;
 333 //                cout << "*** Total rotation angle of the wire : " << angle << endl;
 334 //                cout << "*** Connect the old classifier" << endl;
 335 //#endif
 336 //              }
 337 //            else TabOrien.Append(((angle>0.0)? 1 : 0));
 338               TabOrien.Append(((square < 0.0)? 1 : 0));
 339             }//if(nbpoints>3
 340           else
 341             {
 342 #ifdef OCCT_DEBUG
 343               cout << endl;
 344               cout << "*** BRepTopAdaptor_Fclass2d  ** Wire Probably FALSE **" << endl;
 345               cout << "*** The sample wire contains less than 3 points" << endl;
 346               cout << "*** Connect the old classifier" << endl;
 347 #endif
 348               BadWire=1;
 349               TabOrien.Append(-1);
 350               TColgp_Array1OfPnt2d xPClass(1,2);
 351               xPClass(1) = SeqPnt2d(1);
 352               xPClass(2) = SeqPnt2d(2);
 353               TabClass.Append((void *)new CSLib_Class2d(xPClass,FlecheU,FlecheV,Umin,Vmin,Umax,Vmax));
 354             }
 355         }//else if(WareIsNotEmpty
 356   }//for(FaceExplorer
 357
 358   Standard_Integer nbtabclass = TabClass.Length();
 359
 360   if(nbtabclass>0)
 361     {
 362       //-- If an error was detected on a wire: set all TabOrien to -1
 363       if(BadWire) TabOrien(1)=-1;
 364
 365       if(   surf->GetType()==GeomAbs_Cone
 366          || surf->GetType()==GeomAbs_Cylinder
 367          || surf->GetType()==GeomAbs_Torus
 368          || surf->GetType()==GeomAbs_Sphere
 369          || surf->GetType()==GeomAbs_SurfaceOfRevolution)
 370
 371         {
 372           Standard_Real uuu=M_PI+M_PI-(Umax-Umin);
 373           if(uuu<0) uuu=0;
 374           U1 = 0.0;  // modified by NIZHNY-OFV  Thu May 31 14:24:10 2001 ---> //Umin-uuu*0.5;
 375           U2 = 2*M_PI; // modified by NIZHNY-OFV  Thu May 31 14:24:35 2001 ---> //U1+M_PI+M_PI;
 376         }
 377       else { U1=U2=0.0; }
 378
 379       if(surf->GetType()==GeomAbs_Torus)
 380         {
 381           Standard_Real uuu=M_PI+M_PI-(Vmax-Vmin);
 382           if(uuu<0) uuu=0;
 383           V1 = 0.0;  // modified by NIZHNY-OFV  Thu May 31 14:24:55 2001 ---> //Vmin-uuu*0.5;
 384           V2 = 2*M_PI; // modified by NIZHNY-OFV  Thu May 31 14:24:59 2001 ---> //V1+M_PI+M_PI;
 385         }
 386       else { V1=V2=0.0; }
 387     }
 388 }
 389
 390 TopAbs_State BRepTopAdaptor_FClass2d::PerformInfinitePoint() const {
 391 #if LBRCOMPT
 392   STAT.NbPerformInfinitePoint++;
 393 #endif
 394
 395   if(Umax==-RealLast() || Vmax==-RealLast() || Umin==RealLast() || Vmin==RealLast()) {
 396     return(TopAbs_IN);
 397   }
 398   gp_Pnt2d P(Umin-(Umax-Umin),Vmin-(Vmax-Vmin));
 399   return(Perform(P,Standard_False));
 400 }
 401
 402 TopAbs_State BRepTopAdaptor_FClass2d::Perform(const gp_Pnt2d& _Puv,
 403                                               const Standard_Boolean RecadreOnPeriodic) const
 404 {
 405 #if LBRCOMPT
 406   STAT.NbPerform++;
 407 #endif
 408
 409   Standard_Integer dedans;
 410   Standard_Integer nbtabclass = TabClass.Length();
 411
 412   if(nbtabclass==0) {
 413     return(TopAbs_IN);
 414   }
 415
 416   //-- U1 is the First Param and U2 in this case is U1+Period
 417   Standard_Real u=_Puv.X();
 418   Standard_Real v=_Puv.Y();
 419   Standard_Real uu = u, vv = v;
 420
 421   Handle(BRepAdaptor_HSurface) surf = new BRepAdaptor_HSurface();
 422   surf->ChangeSurface().Initialize( Face, Standard_False );
 423   const Standard_Boolean IsUPer  = surf->IsUPeriodic();
 424   const Standard_Boolean IsVPer  = surf->IsVPeriodic();
 425   const Standard_Real    uperiod = IsUPer ? surf->UPeriod() : 0.0;
 426   const Standard_Real    vperiod = IsVPer ? surf->VPeriod() : 0.0;
 427   TopAbs_State Status = TopAbs_UNKNOWN;
 428   Standard_Boolean urecadre = Standard_False, vrecadre = Standard_False;
 429
 430   if (RecadreOnPeriodic)
 431     {
 432       if (IsUPer)
 433         {
 434           if (uu < Umin)
 435             while (uu < Umin)
 436               uu += uperiod;
 437           else
 438             {
 439               while (uu >= Umin)
 440                 uu -= uperiod;
 441               uu += uperiod;
 442             }
 443         }
 444       if (IsVPer)
 445         {
 446           if (vv < Vmin)
 447             while (vv < Vmin)
 448               vv += vperiod;
 449           else
 450             {
 451               while (vv >= Vmin)
 452                 vv -= vperiod;
 453               vv += vperiod;
 454             }
 455         }
 456     }
 457
 458   for (;;)
 459     {
 460       dedans = 1;
 461       gp_Pnt2d Puv(u,v);
 462
 463       if(TabOrien(1)!=-1) {
 464         for(Standard_Integer n=1; n<=nbtabclass; n++) {
 465           Standard_Integer cur = ((CSLib_Class2d *)TabClass(n))->SiDans(Puv);
 466           if(cur==1) {
 467             if(TabOrien(n)==0) {
 468               dedans = -1;
 469               break;
 470             }
 471           }
 472           else if(cur==-1) {
 473             if(TabOrien(n)==1) {
 474               dedans = -1;
 475               break;
 476             }
 477           }
 478           else {
 479             dedans = 0;
 480             break;
 481           }
 482         }
 483         if(dedans==0) {
 484           BRepClass_FaceClassifier aClassifier;
 485           Standard_Real m_Toluv = (Toluv > 4.0) ? 4.0 : Toluv;
 486           //aClassifier.Perform(Face,Puv,Toluv);
 487           aClassifier.Perform(Face,Puv,m_Toluv);
 488           Status = aClassifier.State();
 489         }
 490         if(dedans == 1) {
 491           Status = TopAbs_IN;
 492         }
 493         if(dedans == -1) {
 494           Status = TopAbs_OUT;
 495         }
 496       }
 497       else {  //-- TabOrien(1)=-1    False Wire
 498         BRepClass_FaceClassifier aClassifier;
 499         aClassifier.Perform(Face,Puv,Toluv);
 500         Status = aClassifier.State();
 501       }
 502
 503       if (!RecadreOnPeriodic || (!IsUPer && !IsVPer))
 504         return Status;
 505       if (Status == TopAbs_IN || Status == TopAbs_ON)
 506         return Status;
 507
 508       if (!urecadre)
 509         {
 510           u = uu;
 511           urecadre = Standard_True;
 512         }
 513       else
 514         if (IsUPer)
 515           u += uperiod;
 516       if (u > Umax || !IsUPer)
 517         {
 518           if (!vrecadre)
 519             {
 520               v = vv;
 521               vrecadre = Standard_True;
 522             }
 523           else
 524             if (IsVPer)
 525               v += vperiod;
 526
 527           u = uu;
 528
 529           if (v > Vmax || !IsVPer)
 530             return Status;
 531         }
 532     } //for (;;)
 533 }
 534
 535 TopAbs_State BRepTopAdaptor_FClass2d::TestOnRestriction(const gp_Pnt2d& _Puv,
 536                                                         const Standard_Real Tol,
 537                                                         const Standard_Boolean RecadreOnPeriodic) const
 538 {
 539 #if LBRCOMPT
 540   STAT.NbConstrShape++;
 541 #endif
 542
 543   Standard_Integer dedans;
 544   Standard_Integer nbtabclass = TabClass.Length();
 545
 546   if(nbtabclass==0) {
 547     return(TopAbs_IN);
 548   }
 549
 550   //-- U1 is the First Param and U2 in this case is U1+Period
 551   Standard_Real u=_Puv.X();
 552   Standard_Real v=_Puv.Y();
 553   Standard_Real uu = u, vv = v;
 554
 555   Handle(BRepAdaptor_HSurface) surf = new BRepAdaptor_HSurface();
 556   surf->ChangeSurface().Initialize( Face, Standard_False );
 557   const Standard_Boolean IsUPer  = surf->IsUPeriodic();
 558   const Standard_Boolean IsVPer  = surf->IsVPeriodic();
 559   const Standard_Real    uperiod = IsUPer ? surf->UPeriod() : 0.0;
 560   const Standard_Real    vperiod = IsVPer ? surf->VPeriod() : 0.0;
 561   TopAbs_State Status = TopAbs_UNKNOWN;
 562   Standard_Boolean urecadre = Standard_False, vrecadre = Standard_False;
 563
 564   if (RecadreOnPeriodic)
 565     {
 566       if (IsUPer)
 567         {
 568           if (uu < Umin)
 569             while (uu < Umin)
 570               uu += uperiod;
 571           else
 572             {
 573               while (uu >= Umin)
 574                 uu -= uperiod;
 575               uu += uperiod;
 576             }
 577         }
 578       if (IsVPer)
 579         {
 580           if (vv < Vmin)
 581             while (vv < Vmin)
 582               vv += vperiod;
 583           else
 584             {
 585               while (vv >= Vmin)
 586                 vv -= vperiod;
 587               vv += vperiod;
 588             }
 589         }
 590     }
 591
 592   for (;;)
 593     {
 594       dedans = 1;
 595       gp_Pnt2d Puv(u,v);
 596
 597       if(TabOrien(1)!=-1) {
 598         for(Standard_Integer n=1; n<=nbtabclass; n++) {
 599           Standard_Integer cur = ((CSLib_Class2d *)TabClass(n))->SiDans_OnMode(Puv,Tol);
 600           if(cur==1) {
 601             if(TabOrien(n)==0) {
 602               dedans = -1;
 603               break;
 604             }
 605           }
 606           else if(cur==-1) {
 607             if(TabOrien(n)==1) {
 608               dedans = -1;
 609               break;
 610             }
 611           }
 612           else {
 613             dedans = 0;
 614             break;
 615           }
 616         }
 617         if(dedans==0) {
 618           Status = TopAbs_ON;
 619         }
 620         if(dedans == 1) {
 621           Status = TopAbs_IN;
 622         }
 623         if(dedans == -1) {
 624           Status = TopAbs_OUT;
 625         }
 626       }
 627       else {  //-- TabOrien(1)=-1    False Wire
 628         BRepClass_FaceClassifier aClassifier;
 629         aClassifier.Perform(Face,Puv,Tol);
 630         Status = aClassifier.State();
 631       }
 632
 633       if (!RecadreOnPeriodic || (!IsUPer && !IsVPer))
 634         return Status;
 635       if (Status == TopAbs_IN || Status == TopAbs_ON)
 636         return Status;
 637
 638       if (!urecadre)
 639         {
 640           u = uu;
 641           urecadre = Standard_True;
 642         }
 643       else
 644         if (IsUPer)
 645           u += uperiod;
 646       if (u > Umax || !IsUPer)
 647         {
 648           if (!vrecadre)
 649             {
 650               v = vv;
 651               vrecadre = Standard_True;
 652             }
 653           else
 654             if (IsVPer)
 655               v += vperiod;
 656
 657           u = uu;
 658
 659           if (v > Vmax || !IsVPer)
 660             return Status;
 661         }
 662     } //for (;;)
 663 }
 664
 665
 666 void BRepTopAdaptor_FClass2d::Destroy() {
 667 #if LBRCOMPT
 668   STAT.NbDestroy++;
 669 #endif
 670
 671   Standard_Integer nbtabclass = TabClass.Length();
 672   for(Standard_Integer d=1; d<=nbtabclass;d++) {
 673     if(TabClass(d)) {
 674       delete ((CSLib_Class2d *)TabClass(d));
 675       TabClass(d)=NULL;
 676     }
 677   }
 678 }
 679
 680
 681
 682 #include <Standard_ConstructionError.hxx>
 683
 684
 685 //const BRepTopAdaptor_FClass2d &  BRepTopAdaptor_FClass2d::Copy(const BRepTopAdaptor_FClass2d& Other) const {
 686 const BRepTopAdaptor_FClass2d &  BRepTopAdaptor_FClass2d::Copy(const BRepTopAdaptor_FClass2d& ) const {
 687 #ifdef OCCT_DEBUG
 688   cerr<<"Copy not allowed in BRepTopAdaptor_FClass2d"<<endl;
 689 #endif
 690   Standard_ConstructionError::Raise();
 691   return(*this);
 692 }