| 1 | // File: BRepFill_CompatibleWires.cxx |
| 2 | // Created: Thu Jul 2 16:47:25 1998 |
| 3 | // Author: Joelle CHAUVET |
| 4 | // <jct@sgi64> |
| 5 | |
| 6 | |
| 7 | #include <BRepFill_CompatibleWires.ixx> |
| 8 | |
| 9 | #include <BRepAdaptor_Curve.hxx> |
| 10 | |
| 11 | #include <BRepFill.hxx> |
| 12 | #include <BRepLib.hxx> |
| 13 | #include <BRepLib_FindSurface.hxx> |
| 14 | #include <BRepLib_MakeWire.hxx> |
| 15 | #include <BRepLib_MakeEdge.hxx> |
| 16 | #include <BRepCheck_Wire.hxx> |
| 17 | #include <BRepExtrema_DistShapeShape.hxx> |
| 18 | #include <Bnd_Box.hxx> |
| 19 | #include <BRepBndLib.hxx> |
| 20 | #include <BRep_Builder.hxx> |
| 21 | #include <BRep_Tool.hxx> |
| 22 | #include <BRepTools_WireExplorer.hxx> |
| 23 | #include <BRepLProp.hxx> |
| 24 | #include <BRepGProp.hxx> |
| 25 | #include <GProp_GProps.hxx> |
| 26 | #include <GProp_PrincipalProps.hxx> |
| 27 | #include <Geom_Surface.hxx> |
| 28 | #include <Geom_Plane.hxx> |
| 29 | #include <Precision.hxx> |
| 30 | #include <TopAbs.hxx> |
| 31 | #include <TopExp.hxx> |
| 32 | #include <TopExp_Explorer.hxx> |
| 33 | #include <TopoDS.hxx> |
| 34 | #include <TopoDS_Wire.hxx> |
| 35 | #include <TopTools_ListIteratorOfListOfShape.hxx> |
| 36 | #include <TopTools_DataMapOfShapeListOfShape.hxx> |
| 37 | #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx> |
| 38 | #include <TopTools_DataMapIteratorOfDataMapOfShapeListOfShape.hxx> |
| 39 | #include <TopTools_HSequenceOfShape.hxx> |
| 40 | #include <TopTools_SequenceOfShape.hxx> |
| 41 | #include <TopTools_ListOfShape.hxx> |
| 42 | |
| 43 | #include <gp.hxx> |
| 44 | #include <gp_Vec.hxx> |
| 45 | #include <gp_Ax2.hxx> |
| 46 | #include <gp_Pln.hxx> |
| 47 | #include <gp_Circ.hxx> |
| 48 | #include <gp_Elips.hxx> |
| 49 | #include <TColgp_HArray1OfVec.hxx> |
| 50 | #include <TColgp_HArray1OfPnt.hxx> |
| 51 | |
| 52 | #include <TColStd_Array1OfInteger.hxx> |
| 53 | #include <TColStd_Array1OfReal.hxx> |
| 54 | #include <TColStd_SequenceOfReal.hxx> |
| 55 | |
| 56 | |
| 57 | static void EdgesFromVertex (const TopoDS_Wire& W, |
| 58 | const TopoDS_Vertex& V, |
| 59 | TopoDS_Edge& E1, |
| 60 | TopoDS_Edge& E2) |
| 61 | { |
| 62 | TopTools_IndexedDataMapOfShapeListOfShape Map; |
| 63 | TopExp::MapShapesAndAncestors(W,TopAbs_VERTEX,TopAbs_EDGE,Map); |
| 64 | |
| 65 | const TopTools_ListOfShape& List = Map.FindFromKey(V); |
| 66 | TopoDS_Edge e1 = TopoDS::Edge(List.First()); |
| 67 | TopoDS_Edge e2 = TopoDS::Edge(List. Last()); |
| 68 | |
| 69 | BRepTools_WireExplorer anExp; |
| 70 | Standard_Integer I1=0, I2=0, NE=0; |
| 71 | |
| 72 | for(anExp.Init(W); anExp.More(); anExp.Next()) { |
| 73 | NE++; |
| 74 | const TopoDS_Edge& ECur = anExp.Current(); |
| 75 | if (e1.IsSame(ECur)) { |
| 76 | I1 = NE; |
| 77 | } |
| 78 | if (e2.IsSame(ECur)) { |
| 79 | I2 = NE; |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | if (Abs(I2-I1)==1) { |
| 84 | // consecutive numbers |
| 85 | if (I2==I1+1) { |
| 86 | E1 = e1; |
| 87 | E2 = e2; |
| 88 | } |
| 89 | else { |
| 90 | E1 = e2; |
| 91 | E2 = e1; |
| 92 | } |
| 93 | } |
| 94 | else { |
| 95 | // non consecutive numbers on a closed wire |
| 96 | if (I1==1&&I2==NE) { |
| 97 | E1 = e2; |
| 98 | E2 = e1; |
| 99 | } |
| 100 | else { |
| 101 | E1 = e1; |
| 102 | E2 = e2; |
| 103 | } |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | |
| 108 | static void SeqOfVertices (const TopoDS_Wire& W, |
| 109 | TopTools_SequenceOfShape& S) |
| 110 | { |
| 111 | S.Clear(); |
| 112 | Standard_Integer jj, cpt = 0; |
| 113 | TopExp_Explorer PE; |
| 114 | for (PE.Init(W,TopAbs_VERTEX); PE.More(); PE.Next()) { |
| 115 | cpt++; |
| 116 | Standard_Boolean trouve=Standard_False; |
| 117 | for (jj=1;jj<=S.Length() && (!trouve);jj++) { |
| 118 | if (S.Value(jj).IsSame(PE.Current())) trouve = Standard_True; |
| 119 | } |
| 120 | if (!trouve) S.Append(PE.Current()); |
| 121 | } |
| 122 | } |
| 123 | |
| 124 | |
| 125 | static Standard_Boolean PlaneOfWire (const TopoDS_Wire& W, gp_Pln& P) |
| 126 | { |
| 127 | Standard_Boolean isplane = Standard_True; |
| 128 | BRepLib_FindSurface findPlanarSurf; |
| 129 | Handle(Geom_Surface) S; |
| 130 | TopLoc_Location L; |
| 131 | |
| 132 | GProp_GProps GP; |
| 133 | BRepGProp::LinearProperties(W,GP); |
| 134 | gp_Pnt Bary = GP.CentreOfMass(); |
| 135 | |
| 136 | // shielding for particular cases : only one edge circle or ellipse |
| 137 | // on a closed wire ! |
| 138 | Standard_Integer nbEdges = 0; |
| 139 | BRepTools_WireExplorer anExp; |
| 140 | anExp.Init(W); |
| 141 | Standard_Boolean wClosed = W.Closed(); |
| 142 | if (!wClosed) { |
| 143 | // it is checked if the vertices are the same. |
| 144 | TopoDS_Vertex V1, V2; |
| 145 | TopExp::Vertices(W,V1,V2); |
| 146 | if ( V1.IsSame(V2)) wClosed = Standard_True; |
| 147 | } |
| 148 | TopoDS_Edge Edge = TopoDS::Edge(anExp.Current()); |
| 149 | Standard_Real first, last; |
| 150 | TopLoc_Location loc; |
| 151 | Handle(Geom_Curve) curv; |
| 152 | curv = BRep_Tool::Curve(Edge, loc, first, last); |
| 153 | curv = |
| 154 | Handle(Geom_Curve)::DownCast(curv->Transformed(loc.Transformation())); |
| 155 | if (wClosed) { |
| 156 | GeomAdaptor_Curve AdC; |
| 157 | AdC.Load(curv); |
| 158 | for(; anExp.More(); anExp.Next()) { |
| 159 | nbEdges ++; |
| 160 | } |
| 161 | if ( nbEdges==1 && AdC.GetType() == GeomAbs_Circle ) { |
| 162 | Bary = AdC.Circle().Location(); |
| 163 | } |
| 164 | if ( nbEdges==1 && AdC.GetType() == GeomAbs_Ellipse ) { |
| 165 | Bary = AdC.Ellipse().Location(); |
| 166 | } |
| 167 | } |
| 168 | |
| 169 | findPlanarSurf.Init(W, -1, Standard_True); |
| 170 | if ( findPlanarSurf.Found()) { |
| 171 | S = findPlanarSurf.Surface(); |
| 172 | L = findPlanarSurf.Location(); |
| 173 | if (!L.IsIdentity()) S = Handle(Geom_Surface):: |
| 174 | DownCast(S->Transformed(L.Transformation())); |
| 175 | P = (Handle(Geom_Plane)::DownCast(S))->Pln(); |
| 176 | P.SetLocation(Bary); |
| 177 | } |
| 178 | else { |
| 179 | // wire not plane ! |
| 180 | GProp_PrincipalProps Pp = GP.PrincipalProperties(); |
| 181 | gp_Vec Vec; |
| 182 | Standard_Real R1, R2, R3,Tol = Precision::Confusion(); |
| 183 | Pp.RadiusOfGyration(R1,R2,R3); |
| 184 | Standard_Real RMax = Max(Max(R1,R2),R3); |
| 185 | if ( ( Abs(RMax-R1)<Tol && Abs(RMax-R2)<Tol ) |
| 186 | || ( Abs(RMax-R1)<Tol && Abs(RMax-R3)<Tol ) |
| 187 | || ( Abs(RMax-R2)<Tol && Abs(RMax-R3)<Tol ) ) |
| 188 | isplane = Standard_False; |
| 189 | else { |
| 190 | if (R1>=R2 && R1>=R3) { |
| 191 | Vec = Pp.FirstAxisOfInertia(); |
| 192 | } |
| 193 | else if (R2>=R1 && R2>=R3) { |
| 194 | Vec = Pp.SecondAxisOfInertia(); |
| 195 | } |
| 196 | else if (R3>=R1 && R3>=R2) { |
| 197 | Vec = Pp.ThirdAxisOfInertia(); |
| 198 | } |
| 199 | gp_Dir NDir(Vec); |
| 200 | if (R3<=R2 && R3<=R1) { |
| 201 | Vec = Pp.ThirdAxisOfInertia(); |
| 202 | } |
| 203 | else if (R2<=R1 && R2<=R3) { |
| 204 | Vec = Pp.SecondAxisOfInertia(); |
| 205 | } |
| 206 | else if (R1<=R2 && R1<=R3) { |
| 207 | Vec = Pp.FirstAxisOfInertia(); |
| 208 | } |
| 209 | gp_Dir XDir(Vec); |
| 210 | gp_Ax3 repere(Bary,NDir,XDir); |
| 211 | Geom_Plane GPlan(repere); |
| 212 | P = GPlan.Pln(); |
| 213 | } |
| 214 | } |
| 215 | |
| 216 | return isplane; |
| 217 | |
| 218 | } |
| 219 | |
| 220 | |
| 221 | static void WireContinuity (const TopoDS_Wire& W, |
| 222 | GeomAbs_Shape& contW) |
| 223 | { |
| 224 | contW = GeomAbs_CN; |
| 225 | GeomAbs_Shape cont; |
| 226 | Standard_Boolean IsDegenerated = Standard_False; |
| 227 | |
| 228 | BRepTools_WireExplorer anExp; |
| 229 | Standard_Integer nbEdges=0; |
| 230 | Handle(TopTools_HSequenceOfShape) Edges = new TopTools_HSequenceOfShape(); |
| 231 | for(anExp.Init(W); anExp.More(); anExp.Next()) { |
| 232 | nbEdges++; |
| 233 | Edges->Append(anExp.Current()); |
| 234 | if (BRep_Tool::Degenerated(anExp.Current())) IsDegenerated = Standard_True; |
| 235 | } |
| 236 | |
| 237 | if (!IsDegenerated) { |
| 238 | |
| 239 | Standard_Boolean testconti = Standard_True; |
| 240 | |
| 241 | for (Standard_Integer j=1;j<=nbEdges;j++) { |
| 242 | |
| 243 | TopoDS_Edge Edge1, Edge2; |
| 244 | |
| 245 | if (j == nbEdges) { |
| 246 | Edge1 = TopoDS::Edge (Edges->Value(nbEdges)); |
| 247 | Edge2 = TopoDS::Edge (Edges->Value(1)); |
| 248 | } |
| 249 | else { |
| 250 | Edge1 = TopoDS::Edge (Edges->Value(j)); |
| 251 | Edge2 = TopoDS::Edge (Edges->Value(j+1)); |
| 252 | } |
| 253 | |
| 254 | TopoDS_Vertex V1,V2,Vbid; |
| 255 | TopExp::Vertices(Edge1,Vbid,V1,Standard_True); |
| 256 | TopExp::Vertices(Edge2,V2,Vbid,Standard_True); |
| 257 | Standard_Real U1 = BRep_Tool::Parameter(V1,Edge1); |
| 258 | Standard_Real U2 = BRep_Tool::Parameter(V2,Edge2); |
| 259 | BRepAdaptor_Curve Curve1(Edge1); |
| 260 | BRepAdaptor_Curve Curve2(Edge2); |
| 261 | Standard_Real Eps = BRep_Tool::Tolerance(V2) + BRep_Tool::Tolerance(V1); |
| 262 | |
| 263 | if(j == nbEdges) |
| 264 | testconti = Curve1.Value(U1).IsEqual(Curve2.Value(U2), Eps); |
| 265 | |
| 266 | if(testconti) { |
| 267 | cont = BRepLProp::Continuity(Curve1,Curve2,U1,U2, |
| 268 | Eps, Precision::Angular()); |
| 269 | if (cont <= contW) contW = cont; |
| 270 | } |
| 271 | } |
| 272 | } |
| 273 | |
| 274 | } |
| 275 | |
| 276 | static void TrimEdge (const TopoDS_Edge& CurrentEdge, |
| 277 | const TColStd_SequenceOfReal& CutValues, |
| 278 | const Standard_Real t0, const Standard_Real t1, |
| 279 | const Standard_Boolean SeqOrder, |
| 280 | TopTools_SequenceOfShape& S) |
| 281 | |
| 282 | { |
| 283 | S.Clear(); |
| 284 | Standard_Integer j, ndec=CutValues.Length(); |
| 285 | Standard_Real first,last,m0,m1; |
| 286 | Handle(Geom_Curve) C = BRep_Tool::Curve(CurrentEdge,first,last); |
| 287 | |
| 288 | TopoDS_Vertex Vf,Vl,Vbid,V0,V1; |
| 289 | TopAbs_Orientation CurrentOrient = CurrentEdge.Orientation(); |
| 290 | TopExp::Vertices(CurrentEdge,Vf,Vl); |
| 291 | Vbid.Nullify(); |
| 292 | |
| 293 | if (SeqOrder) { |
| 294 | // from first to last |
| 295 | m0 = first; |
| 296 | V0 = Vf; |
| 297 | for (j=1; j<=ndec; j++) { |
| 298 | // piece of edge |
| 299 | m1 = (CutValues.Value(j)-t0)*(last-first)/(t1-t0)+first; |
| 300 | TopoDS_Edge CutE = BRepLib_MakeEdge(C,V0,Vbid,m0,m1); |
| 301 | CutE.Orientation(CurrentOrient); |
| 302 | S.Append(CutE); |
| 303 | m0 = m1; |
| 304 | V0 = TopExp::LastVertex(CutE); |
| 305 | if (j==ndec) { |
| 306 | // last piece |
| 307 | TopoDS_Edge LastE = BRepLib_MakeEdge(C,V0,Vl,m0,last); |
| 308 | LastE.Orientation(CurrentOrient); |
| 309 | S.Append(LastE); |
| 310 | } |
| 311 | } |
| 312 | } |
| 313 | else { |
| 314 | // from last to first |
| 315 | m1 = last; |
| 316 | V1 = Vl; |
| 317 | for (j=ndec; j>=1; j--) { |
| 318 | // piece of edge |
| 319 | m0 = (CutValues.Value(j)-t0)*(last-first)/(t1-t0)+first; |
| 320 | TopoDS_Edge CutE = BRepLib_MakeEdge(C,Vbid,V1,m0,m1); |
| 321 | CutE.Orientation(CurrentOrient); |
| 322 | S.Append(CutE); |
| 323 | m1 = m0; |
| 324 | V1 = TopExp::FirstVertex(CutE); |
| 325 | if (j==1) { |
| 326 | // last piece |
| 327 | TopoDS_Edge LastE = BRepLib_MakeEdge(C,Vf,V1,first,m1); |
| 328 | LastE.Orientation(CurrentOrient); |
| 329 | S.Append(LastE); |
| 330 | } |
| 331 | } |
| 332 | } |
| 333 | } |
| 334 | |
| 335 | |
| 336 | |
| 337 | static Standard_Boolean SearchRoot (const TopoDS_Vertex& V, |
| 338 | const TopTools_DataMapOfShapeListOfShape& Map, |
| 339 | TopoDS_Vertex& VRoot) |
| 340 | { |
| 341 | Standard_Boolean trouve = Standard_False; |
| 342 | VRoot.Nullify(); |
| 343 | TopTools_DataMapIteratorOfDataMapOfShapeListOfShape it; |
| 344 | for (it.Initialize(Map); it.More(); it.Next()) { |
| 345 | const TopTools_ListOfShape & List = it.Value(); |
| 346 | TopTools_ListIteratorOfListOfShape itL; |
| 347 | Standard_Boolean ilyest = Standard_False; |
| 348 | for (itL.Initialize(List); itL.More(); itL.Next()) { |
| 349 | TopoDS_Vertex Vcur = TopoDS::Vertex(itL.Value()); |
| 350 | if (Vcur.IsSame(V)) { |
| 351 | ilyest = Standard_True; |
| 352 | } |
| 353 | if (ilyest) break; |
| 354 | } |
| 355 | if (ilyest) { |
| 356 | trouve = Standard_True; |
| 357 | VRoot = TopoDS::Vertex(it.Key()); |
| 358 | } |
| 359 | if (trouve) break; |
| 360 | } |
| 361 | return trouve; |
| 362 | } |
| 363 | |
| 364 | static Standard_Boolean SearchVertex (const TopTools_ListOfShape& List, |
| 365 | const TopoDS_Wire& W, |
| 366 | TopoDS_Vertex& VonW) |
| 367 | { |
| 368 | Standard_Boolean trouve = Standard_False; |
| 369 | VonW.Nullify(); |
| 370 | TopTools_SequenceOfShape SeqV; |
| 371 | SeqOfVertices(W,SeqV); |
| 372 | for (Standard_Integer ii=1;ii<=SeqV.Length();ii++) { |
| 373 | TopoDS_Vertex Vi = TopoDS::Vertex(SeqV.Value(ii)); |
| 374 | TopTools_ListIteratorOfListOfShape itL; |
| 375 | Standard_Boolean ilyest = Standard_False; |
| 376 | for (itL.Initialize(List); itL.More(); itL.Next()) { |
| 377 | TopoDS_Vertex Vcur = TopoDS::Vertex(itL.Value()); |
| 378 | if (Vcur.IsSame(Vi)) { |
| 379 | ilyest = Standard_True; |
| 380 | } |
| 381 | if (ilyest) break; |
| 382 | } |
| 383 | if (ilyest) { |
| 384 | trouve = Standard_True; |
| 385 | VonW = Vi; |
| 386 | } |
| 387 | if (trouve) break; |
| 388 | } |
| 389 | return trouve; |
| 390 | } |
| 391 | |
| 392 | |
| 393 | static Standard_Boolean EdgeIntersectOnWire (const gp_Pnt& P1, |
| 394 | const gp_Pnt& P2, |
| 395 | Standard_Real percent, |
| 396 | const TopTools_DataMapOfShapeListOfShape& Map, |
| 397 | const TopoDS_Wire& W, |
| 398 | TopoDS_Vertex& Vsol, |
| 399 | TopoDS_Wire& newW) |
| 400 | { |
| 401 | |
| 402 | BRepTools_WireExplorer anExp; |
| 403 | |
| 404 | // construction of the edge of intersection |
| 405 | Standard_Boolean NewVertex = Standard_False; |
| 406 | gp_Lin droite(P1,gp_Dir(gp_Vec(P1,P2))); |
| 407 | // ATTENTION : it is required to construct a half-straight |
| 408 | // but there is a bug in BRepExtrema_DistShapeShape |
| 409 | // it is enough to take 100 * distance between P1 and P2 |
| 410 | // hoping that it is enough until the bug is corrected |
| 411 | // Standard_Real dernierparam = Precision::Infinite(); |
| 412 | // ATTENTION : return !! |
| 413 | // 100 is better than 10 but it is too much ! |
| 414 | // finally, nothing is better than a blocking box |
| 415 | // Standard_Real dernierparam = 100 * P1.Distance(P2); |
| 416 | Bnd_Box B; |
| 417 | BRepBndLib::Add(W,B); |
| 418 | Standard_Real x1,x2,y1,y2,z1,z2; |
| 419 | B.Get(x1,y1,z1,x2,y2,z2); |
| 420 | gp_Pnt BP1(x1,y1,z1), BP2(x2,y2,z2); |
| 421 | Standard_Real diag = BP1.Distance(BP2); |
| 422 | Standard_Real dernierparam = diag; |
| 423 | BRepLib_MakeEdge ME(droite,0.,dernierparam); |
| 424 | TopoDS_Edge ECur = BRepLib_MakeEdge(droite,0.,P1.Distance(P2)); |
| 425 | |
| 426 | // calculate the intersection by BRepExtrema (point of min distance) |
| 427 | BRepExtrema_DistShapeShape DSS(ME.Edge(),W); |
| 428 | if (DSS.IsDone()) { |
| 429 | // choose the solution closest to P2 |
| 430 | Standard_Integer isol = 1; |
| 431 | Standard_Real dss = P2.Distance(DSS.PointOnShape2(isol)); |
| 432 | for (Standard_Integer iss=2; iss<=DSS.NbSolution(); iss++) { |
| 433 | if (dss>P2.Distance(DSS.PointOnShape2(iss))) { |
| 434 | dss = P2.Distance(DSS.PointOnShape2(iss)); |
| 435 | isol = iss; |
| 436 | } |
| 437 | } |
| 438 | #ifdef DEB |
| 439 | gp_Pnt Psol = |
| 440 | #endif |
| 441 | DSS.PointOnShape2(isol); |
| 442 | // is the solution a new vertex ? |
| 443 | NewVertex = (DSS.SupportTypeShape2(isol) != BRepExtrema_IsVertex); |
| 444 | if (NewVertex) { |
| 445 | TopoDS_Shape aLocalShape = DSS.SupportOnShape2(isol); |
| 446 | TopoDS_Edge E = TopoDS::Edge(aLocalShape); |
| 447 | // TopoDS_Edge E = TopoDS::Edge(DSS.SupportOnShape2(isol)); |
| 448 | Standard_Real tol = Precision::PConfusion(); |
| 449 | Standard_Real first,last,param; |
| 450 | BRep_Tool::Range(E,first,last); |
| 451 | tol = Max(tol,percent*Abs(last-first)); |
| 452 | DSS.ParOnEdgeS2(isol,param); |
| 453 | if (Abs(first-param)<tol) { |
| 454 | NewVertex = Standard_False; |
| 455 | Vsol = TopExp::FirstVertex(E); |
| 456 | } |
| 457 | else if (Abs(last-param)<tol) { |
| 458 | NewVertex = Standard_False; |
| 459 | Vsol = TopExp::LastVertex(E); |
| 460 | } |
| 461 | // check |
| 462 | if (!NewVertex) { |
| 463 | TopoDS_Vertex VRoot; |
| 464 | if (SearchRoot(Vsol,Map,VRoot)) NewVertex = Standard_True; |
| 465 | } |
| 466 | } |
| 467 | else { |
| 468 | TopoDS_Shape aLocalShape = DSS.SupportOnShape2(isol); |
| 469 | Vsol = TopoDS::Vertex(aLocalShape); |
| 470 | // Vsol = TopoDS::Vertex(DSS.SupportOnShape2(isol)); |
| 471 | } |
| 472 | |
| 473 | // it is required to cut the edge |
| 474 | if (NewVertex) { |
| 475 | TopoDS_Shape aLocalShape = DSS.SupportOnShape2(isol); |
| 476 | TopoDS_Edge E = TopoDS::Edge(aLocalShape); |
| 477 | // TopoDS_Edge E = TopoDS::Edge(DSS.SupportOnShape2(isol)); |
| 478 | #ifdef DEB |
| 479 | Standard_Real tol = |
| 480 | #endif |
| 481 | Precision::PConfusion(); |
| 482 | Standard_Real first,last,param; |
| 483 | DSS.ParOnEdgeS2(isol,param); |
| 484 | BRep_Tool::Range(E,first,last); |
| 485 | BRepLib_MakeWire MW; |
| 486 | for (anExp.Init(W); anExp.More(); anExp.Next()) { |
| 487 | if (E.IsSame(anExp.Current())) { |
| 488 | Standard_Boolean SO |
| 489 | = (anExp.CurrentVertex().IsSame(TopExp::FirstVertex(E))); |
| 490 | TopTools_SequenceOfShape SE; |
| 491 | SE.Clear(); |
| 492 | TColStd_SequenceOfReal SR; |
| 493 | SR.Clear(); |
| 494 | SR.Append(param); |
| 495 | TrimEdge(E,SR,first,last,SO,SE); |
| 496 | TopoDS_Vertex VV1,VV2; |
| 497 | TopExp::Vertices(TopoDS::Edge(SE.Value(1)),VV1,VV2); |
| 498 | if (TopExp::FirstVertex(E).IsSame(VV1) |
| 499 | || TopExp::LastVertex(E).IsSame(VV1)) { |
| 500 | Vsol = VV2; |
| 501 | } |
| 502 | if (TopExp::FirstVertex(E).IsSame(VV2) |
| 503 | || TopExp::LastVertex(E).IsSame(VV2)) { |
| 504 | Vsol = VV1; |
| 505 | } |
| 506 | for (Standard_Integer k=1; k<=SE.Length(); k++) { |
| 507 | MW.Add(TopoDS::Edge(SE.Value(k))); |
| 508 | } |
| 509 | } |
| 510 | else { |
| 511 | MW.Add(anExp.Current()); |
| 512 | } |
| 513 | } |
| 514 | newW = MW.Wire(); |
| 515 | } |
| 516 | else { |
| 517 | newW = W; |
| 518 | } |
| 519 | |
| 520 | |
| 521 | } |
| 522 | |
| 523 | return NewVertex; |
| 524 | |
| 525 | } |
| 526 | |
| 527 | |
| 528 | static void Transform (const Standard_Boolean WithRotation, |
| 529 | const gp_Pnt& P, |
| 530 | const gp_Pnt& Pos1, |
| 531 | const gp_Vec& Ax1, |
| 532 | const gp_Pnt& Pos2, |
| 533 | const gp_Vec& Ax2, |
| 534 | gp_Pnt& Pnew) |
| 535 | { |
| 536 | |
| 537 | Pnew = P.Translated (Pos1,Pos2); |
| 538 | gp_Vec axe1 = Ax1, axe2 = Ax2; |
| 539 | if (!axe1.IsParallel(axe2,1.e-4)) { |
| 540 | gp_Vec Vtrans(Pos1,Pos2),Vsign; |
| 541 | Standard_Real alpha,beta,sign=1; |
| 542 | alpha = Vtrans.Dot(axe1); |
| 543 | beta = Vtrans.Dot(axe2); |
| 544 | if (alpha<-1.e-7) axe1 *=-1; |
| 545 | if (beta<1.e-7) axe2 *=-1; |
| 546 | alpha = Vtrans.Dot(axe1); |
| 547 | beta = Vtrans.Dot(axe2); |
| 548 | gp_Vec norm2 = axe1 ^ axe2; |
| 549 | Vsign.SetLinearForm(Vtrans.Dot(axe1),axe2,-Vtrans.Dot(axe2),axe1); |
| 550 | alpha = Vsign.Dot(axe1); |
| 551 | beta = Vsign.Dot(axe2); |
| 552 | Standard_Boolean pasnul = (Abs(alpha)>1.e-4 && Abs(beta)>1.e-4); |
| 553 | if ( alpha*beta>0.0 && pasnul ) sign=-1; |
| 554 | gp_Ax1 Norm(Pos2,norm2); |
| 555 | Standard_Real ang = axe1.AngleWithRef(axe2,norm2); |
| 556 | if (!WithRotation) { |
| 557 | if (ang>PI/2) ang = ang - PI; |
| 558 | if (ang<-PI/2) ang = ang + PI; |
| 559 | } |
| 560 | ang *= sign; |
| 561 | Pnew = Pnew.Rotated (Norm,ang); |
| 562 | } |
| 563 | } |
| 564 | |
| 565 | static void BuildConnectedEdges(const TopoDS_Wire& aWire, |
| 566 | const TopoDS_Edge& StartEdge, |
| 567 | const TopoDS_Vertex& StartVertex, |
| 568 | TopTools_ListOfShape& ConnectedEdges) |
| 569 | { |
| 570 | TopTools_IndexedDataMapOfShapeListOfShape MapVE; |
| 571 | TopExp::MapShapesAndAncestors(aWire, TopAbs_VERTEX, TopAbs_EDGE, MapVE); |
| 572 | TopoDS_Edge CurEdge = StartEdge; |
| 573 | TopoDS_Vertex CurVertex = StartVertex; |
| 574 | TopoDS_Vertex Origin, V1, V2; |
| 575 | TopExp::Vertices(StartEdge, V1, V2); |
| 576 | Origin = (V1.IsSame(StartVertex))? V2 : V1; |
| 577 | |
| 578 | for (;;) |
| 579 | { |
| 580 | TopTools_ListIteratorOfListOfShape itE( MapVE.FindFromKey(CurVertex) ); |
| 581 | for (; itE.More(); itE.Next()) |
| 582 | { |
| 583 | TopoDS_Edge anEdge = TopoDS::Edge(itE.Value()); |
| 584 | if (!anEdge.IsSame(CurEdge)) |
| 585 | { |
| 586 | ConnectedEdges.Append(anEdge); |
| 587 | TopExp::Vertices(anEdge, V1, V2); |
| 588 | CurVertex = (V1.IsSame(CurVertex))? V2 : V1; |
| 589 | CurEdge = anEdge; |
| 590 | break; |
| 591 | } |
| 592 | } |
| 593 | if (CurVertex.IsSame(Origin)) |
| 594 | break; |
| 595 | } |
| 596 | } |
| 597 | |
| 598 | //======================================================================= |
| 599 | //function : BRepFill_CompatibleWires |
| 600 | //purpose : |
| 601 | //======================================================================= |
| 602 | |
| 603 | BRepFill_CompatibleWires::BRepFill_CompatibleWires() |
| 604 | :myIsDone(Standard_False) |
| 605 | { |
| 606 | } |
| 607 | |
| 608 | |
| 609 | //======================================================================= |
| 610 | //function : BRepFill_CompatibleWires |
| 611 | //purpose : |
| 612 | //======================================================================= |
| 613 | |
| 614 | BRepFill_CompatibleWires::BRepFill_CompatibleWires(const TopTools_SequenceOfShape& Sections) |
| 615 | { |
| 616 | Init(Sections); |
| 617 | } |
| 618 | |
| 619 | |
| 620 | //======================================================================= |
| 621 | //function : Init |
| 622 | //purpose : |
| 623 | //======================================================================= |
| 624 | |
| 625 | void BRepFill_CompatibleWires::Init(const TopTools_SequenceOfShape& Sections) |
| 626 | { |
| 627 | myInit = Sections; |
| 628 | myWork = Sections; |
| 629 | myPercent = 0.01; |
| 630 | myIsDone = Standard_False; |
| 631 | myMap.Clear(); |
| 632 | |
| 633 | } |
| 634 | |
| 635 | |
| 636 | //======================================================================= |
| 637 | //function : SetPercent |
| 638 | //purpose : |
| 639 | //======================================================================= |
| 640 | |
| 641 | void BRepFill_CompatibleWires::SetPercent(const Standard_Real Percent) |
| 642 | { |
| 643 | if (0.<Percent && Percent<1.) myPercent = Percent; |
| 644 | |
| 645 | } |
| 646 | |
| 647 | |
| 648 | //======================================================================= |
| 649 | //function : IsDone |
| 650 | //purpose : |
| 651 | //======================================================================= |
| 652 | |
| 653 | Standard_Boolean BRepFill_CompatibleWires::IsDone() const |
| 654 | { |
| 655 | return myIsDone; |
| 656 | } |
| 657 | |
| 658 | |
| 659 | //======================================================================= |
| 660 | //function : Shape |
| 661 | //purpose : |
| 662 | //======================================================================= |
| 663 | |
| 664 | const TopTools_SequenceOfShape& BRepFill_CompatibleWires::Shape() const |
| 665 | { |
| 666 | return myWork; |
| 667 | } |
| 668 | |
| 669 | |
| 670 | //======================================================================= |
| 671 | //function : GeneratedShapes |
| 672 | //purpose : |
| 673 | //======================================================================= |
| 674 | |
| 675 | const TopTools_ListOfShape& BRepFill_CompatibleWires::GeneratedShapes |
| 676 | (const TopoDS_Edge& SubSection) const |
| 677 | { |
| 678 | |
| 679 | if (myMap.IsBound(SubSection)) { |
| 680 | return myMap(SubSection); |
| 681 | } |
| 682 | else { |
| 683 | static TopTools_ListOfShape Empty; |
| 684 | return Empty; |
| 685 | } |
| 686 | } |
| 687 | |
| 688 | |
| 689 | //======================================================================= |
| 690 | //function : Perform |
| 691 | //purpose : |
| 692 | //======================================================================= |
| 693 | |
| 694 | void BRepFill_CompatibleWires::Perform (const Standard_Boolean WithRotation) |
| 695 | { |
| 696 | // compute origin and orientation on wires to avoid twisted results |
| 697 | // and update wires to have same number of edges |
| 698 | |
| 699 | // determination of report: |
| 700 | // if the number of elements is the same and if the wires have discontinuities |
| 701 | // by tangency, the report is not carried out by curvilinear abscissa |
| 702 | Standard_Integer nbSects = myWork.Length(), i; |
| 703 | BRepTools_WireExplorer anExp; |
| 704 | Standard_Integer nbmax=0, nbmin=0; |
| 705 | TColStd_Array1OfInteger nbEdges(1,nbSects); |
| 706 | Standard_Boolean report; |
| 707 | GeomAbs_Shape contS=GeomAbs_CN; |
| 708 | GeomAbs_Shape cont; |
| 709 | for (i=1; i<=nbSects; i++) { |
| 710 | TopoDS_Shape aLocalShape = myWork(i).Oriented(TopAbs_FORWARD); |
| 711 | myWork(i) = TopoDS::Wire(aLocalShape); |
| 712 | // myWork(i) = TopoDS::Wire(myWork(i).Oriented(TopAbs_FORWARD)); |
| 713 | TopoDS_Wire W = TopoDS::Wire(myWork(i)); |
| 714 | WireContinuity(W,cont); |
| 715 | if (cont<contS) contS=cont; |
| 716 | nbEdges(i) = 0; |
| 717 | for(anExp.Init(W); anExp.More(); anExp.Next() ) nbEdges(i)++; |
| 718 | if (i==1) nbmin = nbEdges(i); |
| 719 | if (nbmax<nbEdges(i)) nbmax = nbEdges(i); |
| 720 | if (nbmin>nbEdges(i)) nbmin = nbEdges(i); |
| 721 | } |
| 722 | // if the number of elements is not the same or if all wires are at least |
| 723 | // C1, the report is carried out by curvilinear abscissa of cuts, otherwise |
| 724 | // a report vertex / Vertex is done |
| 725 | report = (nbmax != nbmin || contS >= GeomAbs_C1 ); |
| 726 | |
| 727 | // initialization of the map |
| 728 | Standard_Integer nbE = 0; |
| 729 | TopTools_ListOfShape Empty; |
| 730 | for (i=1; i<=nbSects; i++) { |
| 731 | TopoDS_Wire W = TopoDS::Wire(myWork(i)); |
| 732 | for(anExp.Init(W); anExp.More(); anExp.Next() ) { |
| 733 | TopoDS_Edge E = TopoDS::Edge(anExp.Current()); |
| 734 | myMap.Bind(E,Empty); |
| 735 | myMap(E).Append(E); |
| 736 | nbE++; |
| 737 | } |
| 738 | } |
| 739 | |
| 740 | // open/closed sections |
| 741 | // initialisation of myDegen1, myDegen2 |
| 742 | Standard_Integer ideb=1, ifin=myWork.Length(); |
| 743 | // check if the first wire is punctual |
| 744 | myDegen1 = Standard_True; |
| 745 | for(anExp.Init(TopoDS::Wire(myWork(ideb))); anExp.More(); anExp.Next()) { |
| 746 | myDegen1 = myDegen1 && (BRep_Tool::Degenerated(anExp.Current())); |
| 747 | } |
| 748 | if (myDegen1) ideb++; |
| 749 | // check if the last wire is punctual |
| 750 | myDegen2 = Standard_True; |
| 751 | for(anExp.Init(TopoDS::Wire(myWork(ifin))); anExp.More(); anExp.Next()) { |
| 752 | myDegen2 = myDegen2 && (BRep_Tool::Degenerated(anExp.Current())); |
| 753 | } |
| 754 | if (myDegen2) ifin--; |
| 755 | |
| 756 | Standard_Boolean wClosed, allClosed = Standard_True, allOpen = Standard_True; |
| 757 | for (i=ideb; i<=ifin; i++) { |
| 758 | wClosed = myWork(i).Closed(); |
| 759 | if (!wClosed) { |
| 760 | // check if the vertices are the same. |
| 761 | TopoDS_Vertex V1, V2; |
| 762 | TopExp::Vertices(TopoDS::Wire(myWork(i)),V1,V2); |
| 763 | if ( V1.IsSame(V2)) wClosed = Standard_True; |
| 764 | } |
| 765 | allClosed = (allClosed && wClosed); |
| 766 | allOpen = (allOpen && !wClosed); |
| 767 | } |
| 768 | |
| 769 | if (allClosed) { |
| 770 | // All sections are closed |
| 771 | if (report) { |
| 772 | // same number of elements |
| 773 | SameNumberByPolarMethod(WithRotation); |
| 774 | } |
| 775 | else { |
| 776 | // origin |
| 777 | ComputeOrigin(Standard_False); |
| 778 | } |
| 779 | myIsDone = Standard_True; |
| 780 | } |
| 781 | else if (allOpen) { |
| 782 | // All sections are open |
| 783 | // origin |
| 784 | SearchOrigin(); |
| 785 | // same number of elements |
| 786 | if (report) { |
| 787 | SameNumberByACR(report); |
| 788 | } |
| 789 | myIsDone = Standard_True; |
| 790 | } |
| 791 | else { |
| 792 | // There are open and closed sections : |
| 793 | // not processed |
| 794 | Standard_DomainError::Raise("Sections must be all closed or all open"); |
| 795 | } |
| 796 | |
| 797 | } |
| 798 | |
| 799 | |
| 800 | |
| 801 | |
| 802 | //======================================================================= |
| 803 | //function : Generated |
| 804 | //purpose : |
| 805 | //======================================================================= |
| 806 | |
| 807 | const TopTools_DataMapOfShapeListOfShape& BRepFill_CompatibleWires::Generated() const |
| 808 | { |
| 809 | return myMap; |
| 810 | } |
| 811 | |
| 812 | |
| 813 | //======================================================================= |
| 814 | //function : SameNumberByPolarMethod |
| 815 | //purpose : |
| 816 | //======================================================================= |
| 817 | |
| 818 | void BRepFill_CompatibleWires:: |
| 819 | SameNumberByPolarMethod(const Standard_Boolean WithRotation) |
| 820 | { |
| 821 | |
| 822 | // initialisation |
| 823 | Standard_Integer NbSects=myWork.Length(); |
| 824 | BRepTools_WireExplorer anExp; |
| 825 | TopoDS_Vertex V1, V2; |
| 826 | |
| 827 | Standard_Boolean allClosed = Standard_True; |
| 828 | Standard_Integer i,ii,ideb=1,ifin=NbSects; |
| 829 | for (i=1; i<=NbSects; i++) { |
| 830 | Handle(BRepCheck_Wire) Checker = new BRepCheck_Wire(TopoDS::Wire(myWork(i))); |
| 831 | allClosed = (allClosed && (Checker->Closed() == BRepCheck_NoError)); |
| 832 | //allClosed = (allClosed && myWork(i).Closed()); |
| 833 | } |
| 834 | if (!allClosed) |
| 835 | Standard_NoSuchObject::Raise("BRepFill_CompatibleWires::SameNumberByPolarMethod : the wires must be closed"); |
| 836 | |
| 837 | // sections ponctuelles, sections bouclantes ? |
| 838 | if (myDegen1) ideb++; |
| 839 | if (myDegen2) ifin--; |
| 840 | Standard_Boolean vClosed = (!myDegen1) && (!myDegen2) |
| 841 | && (myWork(ideb).IsSame(myWork(ifin))); |
| 842 | |
| 843 | //Removing degenerated edges |
| 844 | for (i = ideb; i <= ifin; i++) |
| 845 | { |
| 846 | Standard_Boolean hasDegEdge = Standard_False; |
| 847 | TopoDS_Iterator anItw(myWork(i)); |
| 848 | for (; anItw.More(); anItw.Next()) |
| 849 | { |
| 850 | const TopoDS_Edge& anEdge = TopoDS::Edge(anItw.Value()); |
| 851 | if (BRep_Tool::Degenerated(anEdge)) |
| 852 | { |
| 853 | hasDegEdge = Standard_True; |
| 854 | break; |
| 855 | } |
| 856 | } |
| 857 | if (hasDegEdge) |
| 858 | { |
| 859 | TopoDS_Wire aNewWire; |
| 860 | BRep_Builder aBBuilder; |
| 861 | aBBuilder.MakeWire(aNewWire); |
| 862 | for (anItw.Initialize(myWork(i)); anItw.More(); anItw.Next()) |
| 863 | { |
| 864 | const TopoDS_Edge& anEdge = TopoDS::Edge(anItw.Value()); |
| 865 | if (!BRep_Tool::Degenerated(anEdge)) |
| 866 | aBBuilder.Add(aNewWire, anEdge); |
| 867 | } |
| 868 | myWork(i) = aNewWire; |
| 869 | } |
| 870 | } |
| 871 | |
| 872 | // Nombre max de decoupes possibles |
| 873 | Standard_Integer NbMaxV = 0; |
| 874 | for (i=1; i<=NbSects; i++) { |
| 875 | for(anExp.Init(TopoDS::Wire(myWork(i))); anExp.More(); anExp.Next()) { |
| 876 | NbMaxV++; |
| 877 | } |
| 878 | } |
| 879 | |
| 880 | // construction of tables of planes of wires |
| 881 | gp_Pln P; |
| 882 | Handle(TColgp_HArray1OfPnt) Pos |
| 883 | = new (TColgp_HArray1OfPnt) (1,NbSects); |
| 884 | Handle(TColgp_HArray1OfVec) Axe |
| 885 | = new (TColgp_HArray1OfVec) (1,NbSects); |
| 886 | for (i=ideb;i<=ifin;i++) { |
| 887 | if (PlaneOfWire(TopoDS::Wire(myWork(i)),P)) { |
| 888 | Pos->SetValue(i,P.Location()); |
| 889 | Axe->SetValue(i,gp_Vec(P.Axis().Direction())); |
| 890 | } |
| 891 | } |
| 892 | TopTools_SequenceOfShape SeqV; |
| 893 | if (myDegen1) { |
| 894 | SeqOfVertices(TopoDS::Wire(myWork(1)),SeqV); |
| 895 | Pos->SetValue(1,BRep_Tool::Pnt(TopoDS::Vertex(SeqV.Value(1)))); |
| 896 | Axe->SetValue(1,Axe->Value(ideb)); |
| 897 | } |
| 898 | if (myDegen2) { |
| 899 | SeqOfVertices(TopoDS::Wire(myWork(NbSects)),SeqV); |
| 900 | Pos->SetValue(NbSects,BRep_Tool::Pnt(TopoDS::Vertex(SeqV.Value(1)))); |
| 901 | Axe->SetValue(NbSects,Axe->Value(ifin)); |
| 902 | } |
| 903 | |
| 904 | // construction of RMap, map of reports of wire i to wire i-1 |
| 905 | TopTools_DataMapOfShapeListOfShape RMap; |
| 906 | RMap.Clear(); |
| 907 | |
| 908 | // loop on i |
| 909 | for (i=ifin; i>ideb; i--) { |
| 910 | |
| 911 | const TopoDS_Wire& wire1 = TopoDS::Wire(myWork(i)); |
| 912 | |
| 913 | // sequence of vertices of the first wire |
| 914 | SeqOfVertices(wire1,SeqV); |
| 915 | if (SeqV.Length()>NbMaxV) |
| 916 | Standard_NoSuchObject::Raise("BRepFill::SameNumberByPolarMethod failed"); |
| 917 | |
| 918 | // extremity of the first wire |
| 919 | V1 = TopoDS::Vertex(SeqV.Value(1)); |
| 920 | // previous wire |
| 921 | #ifdef DEB |
| 922 | const TopoDS_Wire& wire2 = |
| 923 | #endif |
| 924 | TopoDS::Wire(myWork(i-1)); |
| 925 | // loop on vertices of wire1 |
| 926 | for (ii=1;ii<=SeqV.Length();ii++) { |
| 927 | |
| 928 | TopoDS_Vertex Vi = TopoDS::Vertex(SeqV.Value(ii)); |
| 929 | |
| 930 | // init of RMap for Vi |
| 931 | TopTools_ListOfShape Init; |
| 932 | Init.Clear(); |
| 933 | RMap.Bind(Vi,Init); |
| 934 | |
| 935 | // it is required to find intersection Vi - wire2 |
| 936 | gp_Pnt Pi = BRep_Tool::Pnt(Vi); |
| 937 | |
| 938 | // return Pi in the current plane |
| 939 | gp_Pnt Pnew; |
| 940 | Transform(WithRotation,Pi, |
| 941 | Pos->Value(i),Axe->Value(i), |
| 942 | Pos->Value(i-1),Axe->Value(i-1),Pnew); |
| 943 | |
| 944 | // calculate the intersection |
| 945 | TopoDS_Shape Support; |
| 946 | Standard_Boolean NewVertex; |
| 947 | TopoDS_Vertex Vsol; |
| 948 | TopoDS_Wire newwire; |
| 949 | if (Pnew.Distance(Pos->Value(i-1))>Precision::Confusion()) { |
| 950 | Standard_Real percent = myPercent; |
| 951 | NewVertex = EdgeIntersectOnWire(Pos->Value(i-1),Pnew,percent, |
| 952 | RMap,TopoDS::Wire(myWork(i-1)), |
| 953 | Vsol,newwire); |
| 954 | if (NewVertex) myWork(i-1) = newwire; |
| 955 | RMap(Vi).Append(Vsol); |
| 956 | } |
| 957 | |
| 958 | } // loop on ii |
| 959 | } // loop on i |
| 960 | |
| 961 | // initialisation of MapVLV, map of correspondences vertex - list of vertices |
| 962 | TopTools_DataMapOfShapeListOfShape MapVLV; |
| 963 | SeqOfVertices(TopoDS::Wire(myWork(ideb)),SeqV); |
| 964 | Standard_Integer SizeMap = SeqV.Length(); |
| 965 | MapVLV.Clear(); |
| 966 | for (ii=1;ii<=SizeMap;ii++) { |
| 967 | TopoDS_Vertex Vi = TopoDS::Vertex(SeqV.Value(ii)); |
| 968 | TopTools_ListOfShape Init; |
| 969 | Init.Clear(); |
| 970 | Init.Append(Vi); |
| 971 | MapVLV.Bind(Vi,Init); |
| 972 | Standard_Integer NbV = 1; |
| 973 | TopoDS_Vertex V0,V1; |
| 974 | V0 = Vi; |
| 975 | Standard_Boolean tantque = SearchRoot(V0,RMap,V1); |
| 976 | while (tantque) { |
| 977 | MapVLV(Vi).Append(V1); |
| 978 | NbV++; |
| 979 | // test on NbV required for looping sections |
| 980 | if (V1.IsSame(Vi) || NbV >= myWork.Length()) { |
| 981 | tantque = Standard_False; |
| 982 | } |
| 983 | else { |
| 984 | V0 = V1; |
| 985 | tantque = SearchRoot(V0,RMap,V1); |
| 986 | } |
| 987 | } |
| 988 | } |
| 989 | |
| 990 | // loop on i |
| 991 | for (i=ideb; i<ifin; i++) { |
| 992 | |
| 993 | const TopoDS_Wire& wire1 = TopoDS::Wire(myWork(i)); |
| 994 | |
| 995 | // sequence of vertices of the first wire |
| 996 | SeqOfVertices(wire1,SeqV); |
| 997 | if ( SeqV.Length()>NbMaxV || SeqV.Length()>SizeMap ) |
| 998 | Standard_NoSuchObject::Raise("BRepFill::SameNumberByPolarMethod failed"); |
| 999 | |
| 1000 | // extremity of the first wire |
| 1001 | V1 = TopoDS::Vertex(SeqV.Value(1)); |
| 1002 | |
| 1003 | // next wire |
| 1004 | const TopoDS_Wire& wire2 = TopoDS::Wire(myWork(i+1)); |
| 1005 | |
| 1006 | // loop on vertices of wire1 |
| 1007 | for (ii=1;ii<=SeqV.Length();ii++) { |
| 1008 | |
| 1009 | TopoDS_Vertex Vi = TopoDS::Vertex(SeqV.Value(ii)); |
| 1010 | TopoDS_Vertex VRoot; |
| 1011 | VRoot.Nullify(); |
| 1012 | Standard_Boolean intersect = Standard_True; |
| 1013 | if (SearchRoot(Vi,MapVLV,VRoot)) { |
| 1014 | const TopTools_ListOfShape& LVi = MapVLV(VRoot); |
| 1015 | TopoDS_Vertex VonW; |
| 1016 | VonW.Nullify(); |
| 1017 | intersect = (!SearchVertex(LVi,wire2,VonW)); |
| 1018 | } |
| 1019 | |
| 1020 | if (intersect) { |
| 1021 | // it is necessary to find intersection Vi - wire2 |
| 1022 | gp_Pnt Pi = BRep_Tool::Pnt(Vi); |
| 1023 | |
| 1024 | // return Pi in the current plane |
| 1025 | gp_Pnt Pnew; |
| 1026 | Transform(WithRotation,Pi, |
| 1027 | Pos->Value(i),Axe->Value(i), |
| 1028 | Pos->Value(i+1),Axe->Value(i+1),Pnew); |
| 1029 | |
| 1030 | // calculate the intersection |
| 1031 | TopoDS_Shape Support; |
| 1032 | Standard_Boolean NewVertex; |
| 1033 | TopoDS_Vertex Vsol; |
| 1034 | TopoDS_Wire newwire; |
| 1035 | if (Pnew.Distance(Pos->Value(i+1))>Precision::Confusion()) { |
| 1036 | Standard_Real percent = myPercent; |
| 1037 | NewVertex = EdgeIntersectOnWire(Pos->Value(i+1),Pnew,percent, |
| 1038 | MapVLV,TopoDS::Wire(myWork(i+1)), |
| 1039 | Vsol,newwire); |
| 1040 | MapVLV(VRoot).Append(Vsol); |
| 1041 | if (NewVertex) myWork(i+1) = newwire; |
| 1042 | } |
| 1043 | |
| 1044 | } |
| 1045 | } // loop on ii |
| 1046 | } // loop on i |
| 1047 | |
| 1048 | // regularize wires following MapVLV |
| 1049 | TopoDS_Wire wire = TopoDS::Wire(myWork(ideb)); |
| 1050 | |
| 1051 | // except for the last if the sections loop |
| 1052 | Standard_Integer ibout = ifin; |
| 1053 | if (vClosed) ibout--; |
| 1054 | |
| 1055 | for ( i=ideb+1; i<=ibout; i++) { |
| 1056 | |
| 1057 | BRepLib_MakeWire MW; |
| 1058 | |
| 1059 | anExp.Init(wire); |
| 1060 | TopoDS_Edge ECur = anExp.Current(); |
| 1061 | TopoDS_Vertex VF,VL; |
| 1062 | TopExp::Vertices(ECur,VF,VL,Standard_True); |
| 1063 | Standard_Real U1 = BRep_Tool::Parameter(VF,ECur); |
| 1064 | Standard_Real U2 = BRep_Tool::Parameter(VL,ECur); |
| 1065 | BRepAdaptor_Curve Curve(ECur); |
| 1066 | gp_Pnt PPs = Curve.Value(0.1*(U1+9*U2)); |
| 1067 | TopTools_ListIteratorOfListOfShape itF(MapVLV(VF)),itL(MapVLV(VL)); |
| 1068 | Standard_Integer rang = ideb; |
| 1069 | while (rang < i) { |
| 1070 | itF.Next(); |
| 1071 | itL.Next(); |
| 1072 | rang++; |
| 1073 | } |
| 1074 | TopoDS_Vertex V1 = TopoDS::Vertex(itF.Value()), V2 = TopoDS::Vertex(itL.Value()); |
| 1075 | TopoDS_Edge Esol; |
| 1076 | Standard_Real scalmax=0.; |
| 1077 | TopoDS_Iterator itW( myWork(i) ); |
| 1078 | |
| 1079 | for(; itW.More(); itW.Next()) |
| 1080 | { |
| 1081 | TopoDS_Edge E = TopoDS::Edge(itW.Value()); |
| 1082 | TopoDS_Vertex VVF,VVL; |
| 1083 | TopExp::Vertices(E,VVF,VVL,Standard_True); |
| 1084 | |
| 1085 | // parse candidate edges |
| 1086 | Standard_Real scal1,scal2; |
| 1087 | if ( (V1.IsSame(VVF)&&V2.IsSame(VVL)) || (V2.IsSame(VVF)&&V1.IsSame(VVL)) ) { |
| 1088 | Standard_Real U1 = BRep_Tool::Parameter(VVF,E); |
| 1089 | Standard_Real U2 = BRep_Tool::Parameter(VVL,E); |
| 1090 | BRepAdaptor_Curve Curve(E); |
| 1091 | gp_Pnt PP1 = Curve.Value(0.1*(U1+9*U2)); |
| 1092 | gp_Pnt PP2 = Curve.Value(0.1*(9*U1+U2)); |
| 1093 | |
| 1094 | for (rang=i;rang>ideb;rang--) { |
| 1095 | Transform(WithRotation, PP1, |
| 1096 | Pos->Value(rang), Axe->Value(rang), |
| 1097 | Pos->Value(rang-1), Axe->Value(rang-1), PP1); |
| 1098 | Transform(WithRotation, PP2, |
| 1099 | Pos->Value(rang), Axe->Value(rang), |
| 1100 | Pos->Value(rang-1), Axe->Value(rang-1), PP2); |
| 1101 | } |
| 1102 | gp_Vec Ns(Pos->Value(ideb),PPs); |
| 1103 | Ns = Ns.Normalized(); |
| 1104 | gp_Vec N1(Pos->Value(ideb),PP1); |
| 1105 | N1 = N1.Normalized(); |
| 1106 | gp_Vec N2(Pos->Value(ideb),PP2); |
| 1107 | N2 = N2.Normalized(); |
| 1108 | scal1 = N1.Dot(Ns); |
| 1109 | if (scal1>scalmax) { |
| 1110 | scalmax = scal1; |
| 1111 | Esol = E; |
| 1112 | } |
| 1113 | scal2 = N2.Dot(Ns); |
| 1114 | if (scal2>scalmax) { |
| 1115 | scalmax = scal2; |
| 1116 | TopoDS_Shape aLocalShape = E.Reversed(); |
| 1117 | Esol = TopoDS::Edge(aLocalShape); |
| 1118 | } |
| 1119 | } |
| 1120 | } //end of for(; itW.More(); itW.Next()) |
| 1121 | MW.Add(Esol); |
| 1122 | |
| 1123 | TopTools_ListOfShape ConnectedEdges; |
| 1124 | BuildConnectedEdges( TopoDS::Wire(myWork(i)), Esol, V2, ConnectedEdges ); |
| 1125 | |
| 1126 | TopTools_ListIteratorOfListOfShape itCE(ConnectedEdges); |
| 1127 | for(; anExp.More(), itCE.More(); anExp.Next(), itCE.Next()) |
| 1128 | { |
| 1129 | ECur = anExp.Current(); |
| 1130 | TopExp::Vertices(ECur,VF,VL,Standard_True); |
| 1131 | U1 = BRep_Tool::Parameter(VF,ECur); |
| 1132 | U2 = BRep_Tool::Parameter(VL,ECur); |
| 1133 | Curve.Initialize(ECur); |
| 1134 | PPs = Curve.Value(0.1*(U1+9*U2)); |
| 1135 | |
| 1136 | TopoDS_Edge E = TopoDS::Edge(itCE.Value()); |
| 1137 | TopoDS_Vertex VVF,VVL; |
| 1138 | TopExp::Vertices(E,VVF,VVL,Standard_True); |
| 1139 | |
| 1140 | // parse candidate edges |
| 1141 | Standard_Real scal1,scal2; |
| 1142 | U1 = BRep_Tool::Parameter(VVF,E); |
| 1143 | U2 = BRep_Tool::Parameter(VVL,E); |
| 1144 | Curve.Initialize(E); |
| 1145 | gp_Pnt PP1 = Curve.Value(0.1*(U1+9*U2)); |
| 1146 | gp_Pnt PP2 = Curve.Value(0.1*(9*U1+U2)); |
| 1147 | |
| 1148 | for (rang=i;rang>ideb;rang--) { |
| 1149 | Transform(WithRotation, PP1, |
| 1150 | Pos->Value(rang), Axe->Value(rang), |
| 1151 | Pos->Value(rang-1), Axe->Value(rang-1), PP1); |
| 1152 | Transform(WithRotation, PP2, |
| 1153 | Pos->Value(rang), Axe->Value(rang), |
| 1154 | Pos->Value(rang-1), Axe->Value(rang-1), PP2); |
| 1155 | } |
| 1156 | gp_Vec Ns(Pos->Value(ideb),PPs); |
| 1157 | Ns = Ns.Normalized(); |
| 1158 | gp_Vec N1(Pos->Value(ideb),PP1); |
| 1159 | N1 = N1.Normalized(); |
| 1160 | gp_Vec N2(Pos->Value(ideb),PP2); |
| 1161 | N2 = N2.Normalized(); |
| 1162 | scal1 = N1.Dot(Ns); |
| 1163 | scal2 = N2.Dot(Ns); |
| 1164 | if (scal2>scal1) |
| 1165 | E.Reverse(); |
| 1166 | MW.Add(E); |
| 1167 | } |
| 1168 | myWork(i) = MW.Wire(); |
| 1169 | } |
| 1170 | |
| 1171 | // blocking sections? |
| 1172 | if (vClosed) myWork(myWork.Length()) = myWork(1); |
| 1173 | |
| 1174 | // check the number of edges for debug |
| 1175 | Standard_Integer nbmax=0, nbmin=0; |
| 1176 | for ( i=ideb; i<=ifin; i++) { |
| 1177 | Standard_Integer nbEdges=0; |
| 1178 | for(anExp.Init(TopoDS::Wire(myWork(i))); anExp.More(); anExp.Next()) { |
| 1179 | nbEdges++; |
| 1180 | } |
| 1181 | if (i==ideb) nbmin = nbEdges; |
| 1182 | if (nbmax<nbEdges) nbmax = nbEdges; |
| 1183 | if (nbmin>nbEdges) nbmin = nbEdges; |
| 1184 | } |
| 1185 | if (nbmin!=nbmax) { |
| 1186 | Standard_NoSuchObject::Raise("BRepFill_CompatibleWires::SameNumberByPolarMethod failed"); |
| 1187 | } |
| 1188 | |
| 1189 | } |
| 1190 | |
| 1191 | //======================================================================= |
| 1192 | //function : SameNumberByACR |
| 1193 | //purpose : |
| 1194 | //======================================================================= |
| 1195 | |
| 1196 | void BRepFill_CompatibleWires::SameNumberByACR(const Standard_Boolean report) |
| 1197 | { |
| 1198 | // find the dimension |
| 1199 | Standard_Integer ideb=1, ifin=myWork.Length(); |
| 1200 | BRepTools_WireExplorer anExp; |
| 1201 | |
| 1202 | // point sections, blocking sections? |
| 1203 | if (myDegen1) ideb++; |
| 1204 | if (myDegen2) ifin--; |
| 1205 | Standard_Boolean vClosed = (!myDegen1) && (!myDegen2) |
| 1206 | && (myWork(ideb).IsSame(myWork(ifin))); |
| 1207 | |
| 1208 | Standard_Integer nbSects = myWork.Length(), i; |
| 1209 | Standard_Integer nbmax=0, nbmin=0; |
| 1210 | TColStd_Array1OfInteger nbEdges(1,nbSects); |
| 1211 | for (i=1; i<=nbSects; i++) { |
| 1212 | nbEdges(i) = 0; |
| 1213 | for(anExp.Init(TopoDS::Wire(myWork(i))); anExp.More(); anExp.Next()) { |
| 1214 | nbEdges(i)++; |
| 1215 | } |
| 1216 | if (i==1) nbmin = nbEdges(i); |
| 1217 | if (nbmax<nbEdges(i)) nbmax = nbEdges(i); |
| 1218 | if (nbmin>nbEdges(i)) nbmin = nbEdges(i); |
| 1219 | } |
| 1220 | |
| 1221 | if (nbmax>1) { |
| 1222 | // several edges |
| 1223 | |
| 1224 | if (report || nbmin<nbmax) { |
| 1225 | // insertion of cuts |
| 1226 | Standard_Integer nbdec=(nbmax-1)*nbSects+1; |
| 1227 | Standard_Real tol = 0.01; |
| 1228 | TColStd_Array1OfReal dec(1,nbdec); |
| 1229 | dec.Init(0); |
| 1230 | dec(2)=1; |
| 1231 | // calculate the table of cuts |
| 1232 | Standard_Integer j,k,l; |
| 1233 | for (i=1; i<=nbSects; i++) { |
| 1234 | // current wire |
| 1235 | const TopoDS_Wire& wire1 = TopoDS::Wire(myWork(i)); |
| 1236 | Standard_Integer nbE = 0; |
| 1237 | for(anExp.Init(wire1); anExp.More(); anExp.Next()) { |
| 1238 | nbE++; |
| 1239 | } |
| 1240 | // length and ACR of the wire |
| 1241 | TColStd_Array1OfReal ACR(0,nbE); |
| 1242 | ACR.Init(0); |
| 1243 | BRepFill::ComputeACR(wire1, ACR); |
| 1244 | // insertion of ACR of the wire in the table of cuts |
| 1245 | for (j=1; j<ACR.Length()-1; j++) { |
| 1246 | k=1; |
| 1247 | while (dec(k)<ACR(j)) { |
| 1248 | k++; |
| 1249 | if (k>nbdec) break; |
| 1250 | } |
| 1251 | if (dec(k-1)+tol<ACR(j)&& ACR(j)+tol<dec(k)) { |
| 1252 | for (l=nbdec-1;l>=k;l--) { |
| 1253 | dec(l+1)=dec(l); |
| 1254 | } |
| 1255 | dec(k) = ACR(j); |
| 1256 | } |
| 1257 | } |
| 1258 | } |
| 1259 | |
| 1260 | // table of cuts |
| 1261 | k=1; |
| 1262 | while (dec(k)<1) { |
| 1263 | k++; |
| 1264 | if (k>nbdec) break; |
| 1265 | } |
| 1266 | nbdec = k-1; |
| 1267 | TColStd_Array1OfReal dec2(1,nbdec); |
| 1268 | for (k=1;k<=nbdec;k++) { |
| 1269 | dec2(k) = dec(k); |
| 1270 | } |
| 1271 | |
| 1272 | // insertion of cuts in each wire |
| 1273 | for (i=1; i<=nbSects; i++) { |
| 1274 | const TopoDS_Wire& oldwire = TopoDS::Wire(myWork(i)); |
| 1275 | TopoDS_Wire newwire = BRepFill::InsertACR(oldwire, dec2, tol); |
| 1276 | BRepTools_WireExplorer anExp1,anExp2; |
| 1277 | anExp1.Init(oldwire); |
| 1278 | anExp2.Init(newwire); |
| 1279 | for (;anExp1.More();anExp1.Next()) { |
| 1280 | const TopoDS_Edge& Ecur = anExp1.Current(); |
| 1281 | if (!Ecur.IsSame(TopoDS::Edge(anExp2.Current()))) { |
| 1282 | TopTools_ListOfShape LE; |
| 1283 | LE.Clear(); |
| 1284 | gp_Pnt P1,P2; |
| 1285 | const TopoDS_Vertex& V1 = anExp1.CurrentVertex(); |
| 1286 | TopoDS_Vertex VF,VR; |
| 1287 | TopExp::Vertices(Ecur,VF,VR,Standard_True); |
| 1288 | if (V1.IsSame(VF)) P1 = BRep_Tool::Pnt(VR); |
| 1289 | if (V1.IsSame(VR)) P1 = BRep_Tool::Pnt(VF); |
| 1290 | TopoDS_Vertex V2 = anExp2.CurrentVertex(); |
| 1291 | TopExp::Vertices(TopoDS::Edge(anExp2.Current()), |
| 1292 | VF,VR,Standard_True); |
| 1293 | if (V2.IsSame(VF)) P2 = BRep_Tool::Pnt(VR); |
| 1294 | if (V2.IsSame(VR)) P2 = BRep_Tool::Pnt(VF); |
| 1295 | while (P1.Distance(P2)>1.e-3) { |
| 1296 | LE.Append(anExp2.Current()); |
| 1297 | anExp2.Next(); |
| 1298 | V2 = anExp2.CurrentVertex(); |
| 1299 | TopExp::Vertices(TopoDS::Edge(anExp2.Current()), |
| 1300 | VF,VR,Standard_True); |
| 1301 | if (V2.IsSame(VF)) P2 = BRep_Tool::Pnt(VR); |
| 1302 | if (V2.IsSame(VR)) P2 = BRep_Tool::Pnt(VF); |
| 1303 | if (P1.Distance(P2)<=1.e-3) { |
| 1304 | LE.Append(anExp2.Current()); |
| 1305 | anExp2.Next(); |
| 1306 | } |
| 1307 | } |
| 1308 | |
| 1309 | TopTools_DataMapIteratorOfDataMapOfShapeListOfShape itmap; |
| 1310 | //TopTools_ListIteratorOfListOfShape itlist; |
| 1311 | TopoDS_Edge Ancestor; |
| 1312 | Standard_Integer nbedge, nblist=0; |
| 1313 | Standard_Boolean found = Standard_False; |
| 1314 | |
| 1315 | for (itmap.Initialize(myMap);itmap.More()&&(!found);itmap.Next()) { |
| 1316 | nblist++; |
| 1317 | TopTools_ListIteratorOfListOfShape itlist(itmap.Value()); |
| 1318 | nbedge = 0; |
| 1319 | while (itlist.More()&&(!found)) { |
| 1320 | nbedge++; |
| 1321 | TopoDS_Edge ECur = TopoDS::Edge(itlist.Value()); |
| 1322 | |
| 1323 | if (Ecur.IsSame(ECur)) { |
| 1324 | Ancestor = TopoDS::Edge(itmap.Key()); |
| 1325 | found = Standard_True; |
| 1326 | myMap(Ancestor).InsertBefore(LE,itlist); |
| 1327 | myMap(Ancestor).Remove(itlist); |
| 1328 | } |
| 1329 | if (itlist.More()) itlist.Next(); |
| 1330 | } |
| 1331 | |
| 1332 | } |
| 1333 | |
| 1334 | } |
| 1335 | else { |
| 1336 | anExp2.Next(); |
| 1337 | } |
| 1338 | |
| 1339 | } |
| 1340 | myWork(i) = newwire; |
| 1341 | } |
| 1342 | |
| 1343 | } |
| 1344 | } |
| 1345 | |
| 1346 | // blocking sections ? |
| 1347 | if (vClosed) myWork(myWork.Length()) = myWork(1); |
| 1348 | |
| 1349 | // check the number of edges for debug |
| 1350 | nbmax = 0; |
| 1351 | for (i=ideb; i<=ifin; i++) { |
| 1352 | nbEdges(i) = 0; |
| 1353 | for(anExp.Init(TopoDS::Wire(myWork(i))); anExp.More(); anExp.Next()) { |
| 1354 | nbEdges(i)++; |
| 1355 | } |
| 1356 | if (i==ideb) nbmin = nbEdges(i); |
| 1357 | if (nbmax<nbEdges(i)) nbmax = nbEdges(i); |
| 1358 | if (nbmin>nbEdges(i)) nbmin = nbEdges(i); |
| 1359 | } |
| 1360 | if (nbmax!=nbmin) |
| 1361 | Standard_NoSuchObject::Raise("BRepFill_CompatibleWires::SameNumberByACR failed"); |
| 1362 | } |
| 1363 | |
| 1364 | //======================================================================= |
| 1365 | //function : ComputeOrigin |
| 1366 | //purpose : |
| 1367 | //======================================================================= |
| 1368 | |
| 1369 | void BRepFill_CompatibleWires::ComputeOrigin(const Standard_Boolean polar ) |
| 1370 | { |
| 1371 | // reorganize the wires respecting orientation and origin |
| 1372 | |
| 1373 | TopoDS_Vertex Vdeb, Vfin; |
| 1374 | gp_Pnt Pdeb, Psuiv, PPs; |
| 1375 | |
| 1376 | BRepTools_WireExplorer anExp; |
| 1377 | |
| 1378 | Standard_Boolean wClosed, allClosed = Standard_True; |
| 1379 | |
| 1380 | Standard_Integer NbSects = myWork.Length(); |
| 1381 | Standard_Integer i, ideb=1,ifin=NbSects; |
| 1382 | |
| 1383 | // point sections, blocking sections |
| 1384 | if (myDegen1) ideb++; |
| 1385 | if (myDegen2) ifin--; |
| 1386 | Standard_Boolean vClosed = (!myDegen1) && (!myDegen2) |
| 1387 | && (myWork(ideb).IsSame(myWork(ifin))); |
| 1388 | |
| 1389 | |
| 1390 | for (i=ideb; i<=ifin; i++) { |
| 1391 | wClosed = myWork(i).Closed(); |
| 1392 | if (!wClosed) { |
| 1393 | // check if the vertices are the same. |
| 1394 | TopoDS_Vertex V1, V2; |
| 1395 | TopExp::Vertices(TopoDS::Wire(myWork(i)),V1,V2); |
| 1396 | if ( V1.IsSame(V2)) wClosed = Standard_True; |
| 1397 | } |
| 1398 | allClosed = (allClosed && wClosed); |
| 1399 | } |
| 1400 | /* |
| 1401 | for (i=ideb; i<=ifin; i++) { |
| 1402 | allClosed = (allClosed && myWork(i).Closed()); |
| 1403 | } |
| 1404 | */ |
| 1405 | if (!allClosed) |
| 1406 | Standard_NoSuchObject::Raise("BRepFill_CompatibleWires::ComputeOrigin : the wires must be closed"); |
| 1407 | |
| 1408 | /* |
| 1409 | // Max number of possible cuts |
| 1410 | Standard_Integer NbMaxV = 0; |
| 1411 | for (i=1; i<=NbSects; i++) { |
| 1412 | for(anExp.Init(TopoDS::Wire(myWork(i))); anExp.More(); anExp.Next()) { |
| 1413 | NbMaxV++; |
| 1414 | } |
| 1415 | } |
| 1416 | |
| 1417 | // construction of tables of planes of wires |
| 1418 | gp_Pln P; |
| 1419 | Handle(TColgp_HArray1OfPnt) Pos |
| 1420 | = new (TColgp_HArray1OfPnt) (1,NbSects); |
| 1421 | Handle(TColgp_HArray1OfVec) Axe |
| 1422 | = new (TColgp_HArray1OfVec) (1,NbSects); |
| 1423 | for (i=ideb;i<=ifin;i++) { |
| 1424 | if (PlaneOfWire(TopoDS::Wire(myWork(i)),P)) { |
| 1425 | Pos->SetValue(i,P.Location()); |
| 1426 | Axe->SetValue(i,gp_Vec(P.Axis().Direction())); |
| 1427 | } |
| 1428 | } |
| 1429 | TopTools_SequenceOfShape SeqV; |
| 1430 | if (myDegen1) { |
| 1431 | SeqOfVertices(TopoDS::Wire(myWork(1)),SeqV); |
| 1432 | Pos->SetValue(1,BRep_Tool::Pnt(TopoDS::Vertex(SeqV.Value(1)))); |
| 1433 | Axe->SetValue(1,Axe->Value(ideb)); |
| 1434 | } |
| 1435 | if (myDegen2) { |
| 1436 | SeqOfVertices(TopoDS::Wire(myWork(NbSects)),SeqV); |
| 1437 | Pos->SetValue(NbSects,BRep_Tool::Pnt(TopoDS::Vertex(SeqV.Value(1)))); |
| 1438 | Axe->SetValue(NbSects,Axe->Value(ifin)); |
| 1439 | } |
| 1440 | */ |
| 1441 | |
| 1442 | //Consider that all wires have same number of edges (polar==Standard_False) |
| 1443 | TopTools_SequenceOfShape PrevSeq; |
| 1444 | TopTools_SequenceOfShape PrevEseq; |
| 1445 | Standard_Integer theLength = 0; |
| 1446 | const TopoDS_Wire& wire = TopoDS::Wire( myWork(ideb) ); |
| 1447 | for (anExp.Init(wire); anExp.More(); anExp.Next()) |
| 1448 | { |
| 1449 | PrevSeq.Append(anExp.CurrentVertex()); |
| 1450 | PrevEseq.Append(anExp.Current()); |
| 1451 | theLength++; |
| 1452 | } |
| 1453 | |
| 1454 | Standard_Integer nbs, NbSamples = 0; |
| 1455 | if (theLength <= 2) |
| 1456 | NbSamples = 4; |
| 1457 | for (i = ideb+1; i <= ifin; i++) |
| 1458 | { |
| 1459 | const TopoDS_Wire& wire = TopoDS::Wire(myWork(i)); |
| 1460 | TopoDS_Wire newwire; |
| 1461 | BRep_Builder BB; |
| 1462 | BB.MakeWire(newwire); |
| 1463 | |
| 1464 | TopTools_SequenceOfShape SeqVertices, SeqEdges; |
| 1465 | for (anExp.Init(wire); anExp.More(); anExp.Next()) |
| 1466 | { |
| 1467 | SeqVertices.Append( anExp.CurrentVertex() ); |
| 1468 | SeqEdges.Append( anExp.Current() ); |
| 1469 | } |
| 1470 | |
| 1471 | Standard_Real MinSumDist = Precision::Infinite(); |
| 1472 | Standard_Integer jmin, j, k, n; |
| 1473 | Standard_Boolean forward; |
| 1474 | if (i == myWork.Length() && myDegen2) |
| 1475 | { |
| 1476 | // last point section |
| 1477 | jmin = 1; |
| 1478 | forward = Standard_True; |
| 1479 | } |
| 1480 | else |
| 1481 | for (j = 1; j <= theLength; j++) |
| 1482 | { |
| 1483 | //Forward |
| 1484 | Standard_Real SumDist = 0.; |
| 1485 | for (k = j, n = 1; k <= theLength; k++, n++) |
| 1486 | { |
| 1487 | const TopoDS_Vertex& Vprev = TopoDS::Vertex( PrevSeq(n) ); |
| 1488 | gp_Pnt Pprev = BRep_Tool::Pnt(Vprev); |
| 1489 | const TopoDS_Vertex& V = TopoDS::Vertex( SeqVertices(k) ); |
| 1490 | gp_Pnt P = BRep_Tool::Pnt(V); |
| 1491 | SumDist += Pprev.Distance(P); |
| 1492 | if (NbSamples > 0) |
| 1493 | { |
| 1494 | const TopoDS_Edge& PrevEdge = TopoDS::Edge(PrevEseq(n)); |
| 1495 | const TopoDS_Edge& CurEdge = TopoDS::Edge(SeqEdges(k)); |
| 1496 | BRepAdaptor_Curve PrevEcurve(PrevEdge); |
| 1497 | BRepAdaptor_Curve Ecurve(CurEdge); |
| 1498 | Standard_Real SampleOnPrev = (PrevEcurve.LastParameter()-PrevEcurve.FirstParameter())/NbSamples; |
| 1499 | Standard_Real SampleOnCur = (Ecurve.LastParameter()-Ecurve.FirstParameter())/NbSamples; |
| 1500 | for (nbs = 1; nbs <= NbSamples-1; nbs++) |
| 1501 | { |
| 1502 | Standard_Real ParOnPrev = (PrevEdge.Orientation() == TopAbs_FORWARD)? |
| 1503 | (PrevEcurve.FirstParameter() + nbs*SampleOnPrev) : |
| 1504 | (PrevEcurve.FirstParameter() + (NbSamples-nbs)*SampleOnPrev); |
| 1505 | Standard_Real ParOnCur = (CurEdge.Orientation() == TopAbs_FORWARD)? |
| 1506 | (Ecurve.FirstParameter() + nbs*SampleOnCur) : |
| 1507 | (Ecurve.FirstParameter() + (NbSamples-nbs)*SampleOnCur); |
| 1508 | gp_Pnt PonPrev = PrevEcurve.Value(ParOnPrev); |
| 1509 | gp_Pnt PonCur = Ecurve.Value(ParOnCur); |
| 1510 | SumDist += PonPrev.Distance(PonCur); |
| 1511 | } |
| 1512 | } |
| 1513 | } |
| 1514 | for (k = 1; k < j; k++, n++) |
| 1515 | { |
| 1516 | const TopoDS_Vertex& Vprev = TopoDS::Vertex( PrevSeq(n) ); |
| 1517 | gp_Pnt Pprev = BRep_Tool::Pnt(Vprev); |
| 1518 | const TopoDS_Vertex& V = TopoDS::Vertex( SeqVertices(k) ); |
| 1519 | gp_Pnt P = BRep_Tool::Pnt(V); |
| 1520 | SumDist += Pprev.Distance(P); |
| 1521 | if (NbSamples > 0) |
| 1522 | { |
| 1523 | const TopoDS_Edge& PrevEdge = TopoDS::Edge(PrevEseq(n)); |
| 1524 | const TopoDS_Edge& CurEdge = TopoDS::Edge(SeqEdges(k)); |
| 1525 | BRepAdaptor_Curve PrevEcurve(PrevEdge); |
| 1526 | BRepAdaptor_Curve Ecurve(CurEdge); |
| 1527 | Standard_Real SampleOnPrev = (PrevEcurve.LastParameter()-PrevEcurve.FirstParameter())/NbSamples; |
| 1528 | Standard_Real SampleOnCur = (Ecurve.LastParameter()-Ecurve.FirstParameter())/NbSamples; |
| 1529 | for (nbs = 1; nbs <= NbSamples-1; nbs++) |
| 1530 | { |
| 1531 | Standard_Real ParOnPrev = (PrevEdge.Orientation() == TopAbs_FORWARD)? |
| 1532 | (PrevEcurve.FirstParameter() + nbs*SampleOnPrev) : |
| 1533 | (PrevEcurve.FirstParameter() + (NbSamples-nbs)*SampleOnPrev); |
| 1534 | Standard_Real ParOnCur = (CurEdge.Orientation() == TopAbs_FORWARD)? |
| 1535 | (Ecurve.FirstParameter() + nbs*SampleOnCur) : |
| 1536 | (Ecurve.FirstParameter() + (NbSamples-nbs)*SampleOnCur); |
| 1537 | gp_Pnt PonPrev = PrevEcurve.Value(ParOnPrev); |
| 1538 | gp_Pnt PonCur = Ecurve.Value(ParOnCur); |
| 1539 | SumDist += PonPrev.Distance(PonCur); |
| 1540 | } |
| 1541 | } |
| 1542 | } |
| 1543 | if (SumDist < MinSumDist) |
| 1544 | { |
| 1545 | MinSumDist = SumDist; |
| 1546 | jmin = j; |
| 1547 | forward = Standard_True; |
| 1548 | } |
| 1549 | |
| 1550 | //Backward |
| 1551 | SumDist = 0.; |
| 1552 | for (k = j, n = 1; k >= 1; k--, n++) |
| 1553 | { |
| 1554 | const TopoDS_Vertex& Vprev = TopoDS::Vertex( PrevSeq(n) ); |
| 1555 | gp_Pnt Pprev = BRep_Tool::Pnt(Vprev); |
| 1556 | const TopoDS_Vertex& V = TopoDS::Vertex( SeqVertices(k) ); |
| 1557 | gp_Pnt P = BRep_Tool::Pnt(V); |
| 1558 | SumDist += Pprev.Distance(P); |
| 1559 | if (NbSamples > 0) |
| 1560 | { |
| 1561 | Standard_Integer k_cur = k-1; |
| 1562 | if (k_cur == 0) |
| 1563 | k_cur = theLength; |
| 1564 | const TopoDS_Edge& PrevEdge = TopoDS::Edge(PrevEseq(n)); |
| 1565 | const TopoDS_Edge& CurEdge = TopoDS::Edge(SeqEdges(k_cur)); |
| 1566 | BRepAdaptor_Curve PrevEcurve(PrevEdge); |
| 1567 | BRepAdaptor_Curve Ecurve(CurEdge); |
| 1568 | Standard_Real SampleOnPrev = (PrevEcurve.LastParameter()-PrevEcurve.FirstParameter())/NbSamples; |
| 1569 | Standard_Real SampleOnCur = (Ecurve.LastParameter()-Ecurve.FirstParameter())/NbSamples; |
| 1570 | for (nbs = 1; nbs <= NbSamples-1; nbs++) |
| 1571 | { |
| 1572 | Standard_Real ParOnPrev = (PrevEdge.Orientation() == TopAbs_FORWARD)? |
| 1573 | (PrevEcurve.FirstParameter() + nbs*SampleOnPrev) : |
| 1574 | (PrevEcurve.FirstParameter() + (NbSamples-nbs)*SampleOnPrev); |
| 1575 | Standard_Real ParOnCur = (CurEdge.Orientation() == TopAbs_FORWARD)? |
| 1576 | (Ecurve.FirstParameter() + (NbSamples-nbs)*SampleOnCur) : |
| 1577 | (Ecurve.FirstParameter() + nbs*SampleOnCur); |
| 1578 | gp_Pnt PonPrev = PrevEcurve.Value(ParOnPrev); |
| 1579 | gp_Pnt PonCur = Ecurve.Value(ParOnCur); |
| 1580 | SumDist += PonPrev.Distance(PonCur); |
| 1581 | } |
| 1582 | } |
| 1583 | } |
| 1584 | for (k = theLength; k > j; k--, n++) |
| 1585 | { |
| 1586 | const TopoDS_Vertex& Vprev = TopoDS::Vertex( PrevSeq(n) ); |
| 1587 | gp_Pnt Pprev = BRep_Tool::Pnt(Vprev); |
| 1588 | const TopoDS_Vertex& V = TopoDS::Vertex( SeqVertices(k) ); |
| 1589 | gp_Pnt P = BRep_Tool::Pnt(V); |
| 1590 | SumDist += Pprev.Distance(P); |
| 1591 | if (NbSamples > 0) |
| 1592 | { |
| 1593 | const TopoDS_Edge& PrevEdge = TopoDS::Edge(PrevEseq(n)); |
| 1594 | const TopoDS_Edge& CurEdge = TopoDS::Edge(SeqEdges(k-1)); |
| 1595 | BRepAdaptor_Curve PrevEcurve(PrevEdge); |
| 1596 | BRepAdaptor_Curve Ecurve(CurEdge); |
| 1597 | Standard_Real SampleOnPrev = (PrevEcurve.LastParameter()-PrevEcurve.FirstParameter())/NbSamples; |
| 1598 | Standard_Real SampleOnCur = (Ecurve.LastParameter()-Ecurve.FirstParameter())/NbSamples; |
| 1599 | for (nbs = 1; nbs <= NbSamples-1; nbs++) |
| 1600 | { |
| 1601 | Standard_Real ParOnPrev = (PrevEdge.Orientation() == TopAbs_FORWARD)? |
| 1602 | (PrevEcurve.FirstParameter() + nbs*SampleOnPrev) : |
| 1603 | (PrevEcurve.FirstParameter() + (NbSamples-nbs)*SampleOnPrev); |
| 1604 | Standard_Real ParOnCur = (CurEdge.Orientation() == TopAbs_FORWARD)? |
| 1605 | (Ecurve.FirstParameter() + (NbSamples-nbs)*SampleOnCur) : |
| 1606 | (Ecurve.FirstParameter() + nbs*SampleOnCur); |
| 1607 | gp_Pnt PonPrev = PrevEcurve.Value(ParOnPrev); |
| 1608 | gp_Pnt PonCur = Ecurve.Value(ParOnCur); |
| 1609 | SumDist += PonPrev.Distance(PonCur); |
| 1610 | } |
| 1611 | } |
| 1612 | } |
| 1613 | if (SumDist < MinSumDist) |
| 1614 | { |
| 1615 | MinSumDist = SumDist; |
| 1616 | jmin = j; |
| 1617 | forward = Standard_False; |
| 1618 | } |
| 1619 | } |
| 1620 | |
| 1621 | PrevSeq.Clear(); |
| 1622 | PrevEseq.Clear(); |
| 1623 | if (forward) |
| 1624 | { |
| 1625 | for (j = jmin; j <= theLength; j++) |
| 1626 | { |
| 1627 | BB.Add( newwire, TopoDS::Edge(SeqEdges(j)) ); |
| 1628 | PrevSeq.Append( SeqVertices(j) ); |
| 1629 | PrevEseq.Append( SeqEdges(j) ); |
| 1630 | } |
| 1631 | for (j = 1; j < jmin; j++) |
| 1632 | { |
| 1633 | BB.Add( newwire, TopoDS::Edge(SeqEdges(j)) ); |
| 1634 | PrevSeq.Append( SeqVertices(j) ); |
| 1635 | PrevEseq.Append( SeqEdges(j) ); |
| 1636 | } |
| 1637 | } |
| 1638 | else |
| 1639 | { |
| 1640 | for (j = jmin-1; j >= 1; j--) |
| 1641 | { |
| 1642 | TopoDS_Shape aLocalShape = SeqEdges(j).Reversed(); |
| 1643 | BB.Add( newwire, TopoDS::Edge(aLocalShape) ); |
| 1644 | //PrevSeq.Append( SeqVertices(j) ); |
| 1645 | PrevEseq.Append( SeqEdges(j).Reversed() ); |
| 1646 | } |
| 1647 | for (j = theLength; j >= jmin; j--) |
| 1648 | { |
| 1649 | TopoDS_Shape aLocalShape = SeqEdges(j).Reversed(); |
| 1650 | BB.Add( newwire, TopoDS::Edge(aLocalShape) ); |
| 1651 | //PrevSeq.Append( SeqVertices(j) ); |
| 1652 | PrevEseq.Append( SeqEdges(j).Reversed() ); |
| 1653 | } |
| 1654 | for (j = jmin; j >= 1; j--) |
| 1655 | PrevSeq.Append( SeqVertices(j) ); |
| 1656 | for (j = theLength; j > jmin; j--) |
| 1657 | PrevSeq.Append( SeqVertices(j) ); |
| 1658 | } |
| 1659 | |
| 1660 | newwire.Closed( Standard_True ); |
| 1661 | newwire.Orientation( TopAbs_FORWARD ); |
| 1662 | myWork(i) = newwire; |
| 1663 | } |
| 1664 | |
| 1665 | /* |
| 1666 | for ( i=ideb; i<=myWork.Length(); i++) { |
| 1667 | |
| 1668 | const TopoDS_Wire& wire = TopoDS::Wire(myWork(i)); |
| 1669 | |
| 1670 | Standard_Integer nbEdges=0; |
| 1671 | for(anExp.Init(TopoDS::Wire(myWork(i))); anExp.More(); anExp.Next()) |
| 1672 | nbEdges++; |
| 1673 | TopExp::Vertices(wire,Vdeb,Vfin); |
| 1674 | Standard_Boolean wClosed = wire.Closed(); |
| 1675 | if (!wClosed) { |
| 1676 | // on regarde quand meme si les vertex sont les memes. |
| 1677 | if ( Vdeb.IsSame(Vfin)) wClosed = Standard_True; |
| 1678 | } |
| 1679 | |
| 1680 | |
| 1681 | TopoDS_Vertex Vsuiv, VF, VR; |
| 1682 | TopoDS_Wire newwire; |
| 1683 | BRep_Builder BW; |
| 1684 | BW.MakeWire(newwire); |
| 1685 | if (i==ideb) { |
| 1686 | anExp.Init(wire); |
| 1687 | const TopoDS_Edge Ecur = TopoDS::Edge(anExp.Current()); |
| 1688 | TopExp::Vertices(Ecur,VF,VR); |
| 1689 | if (Vdeb.IsSame(VF)) Vsuiv=VR; |
| 1690 | else if (Vdeb.IsSame(VR)) Vsuiv=VF; |
| 1691 | else { |
| 1692 | // par defaut on prend l'origine sur cette arete |
| 1693 | if (VR.IsSame(TopoDS::Vertex(anExp.CurrentVertex()))) { |
| 1694 | Vdeb = VR; |
| 1695 | Vsuiv = VF; |
| 1696 | } |
| 1697 | else { |
| 1698 | Vdeb = VF; |
| 1699 | Vsuiv = VR; |
| 1700 | } |
| 1701 | } |
| 1702 | Pdeb=BRep_Tool::Pnt(Vdeb); |
| 1703 | Psuiv=BRep_Tool::Pnt(Vsuiv); |
| 1704 | Standard_Real U1 = BRep_Tool::Parameter(Vdeb,Ecur); |
| 1705 | Standard_Real U2 = BRep_Tool::Parameter(Vsuiv,Ecur); |
| 1706 | BRepAdaptor_Curve Curve(Ecur); |
| 1707 | PPs = Curve.Value(0.25*(U1+3*U2)); |
| 1708 | myWork(ideb) = wire; |
| 1709 | } |
| 1710 | else { |
| 1711 | // on ramene Pdeb, Psuiv et PPs dans le plan courant |
| 1712 | gp_Pnt Pnew,Pnext,PPn; |
| 1713 | Transform(Standard_True,Pdeb,Pos->Value(i-1),Axe->Value(i-1), |
| 1714 | Pos->Value(i),Axe->Value(i),Pnew); |
| 1715 | Transform(Standard_True,Psuiv,Pos->Value(i-1),Axe->Value(i-1), |
| 1716 | Pos->Value(i),Axe->Value(i),Pnext); |
| 1717 | Transform(Standard_True,PPs,Pos->Value(i-1),Axe->Value(i-1), |
| 1718 | Pos->Value(i),Axe->Value(i),PPn); |
| 1719 | |
| 1720 | Standard_Real distmini,dist; |
| 1721 | Standard_Integer rang=0,rangdeb=0; |
| 1722 | TopoDS_Vertex Vmini; |
| 1723 | gp_Pnt Pmini,P1,P2; |
| 1724 | SeqOfVertices(wire,SeqV); |
| 1725 | if (SeqV.Length()>NbMaxV) |
| 1726 | Standard_NoSuchObject::Raise("BRepFill::ComputeOrigin failed"); |
| 1727 | if (!polar) { |
| 1728 | // choix du vertex le plus proche comme origine |
| 1729 | distmini = Precision::Infinite(); |
| 1730 | for (Standard_Integer ii=1;ii<=SeqV.Length();ii++) { |
| 1731 | P1 = BRep_Tool::Pnt(TopoDS::Vertex(SeqV.Value(ii))); |
| 1732 | dist = P1.Distance(Pnew); |
| 1733 | if (dist<distmini) { |
| 1734 | distmini = dist; |
| 1735 | Vmini = TopoDS::Vertex(SeqV.Value(ii)); |
| 1736 | } |
| 1737 | } |
| 1738 | if (!Vmini.IsNull()) Pmini = BRep_Tool::Pnt(Vmini); |
| 1739 | } |
| 1740 | else { |
| 1741 | |
| 1742 | // recherche du vertex correspondant a la projection conique |
| 1743 | Standard_Real angmin, angV, eta = Precision::Angular(); |
| 1744 | TopoDS_Vertex Vopti; |
| 1745 | angmin = PI/2; |
| 1746 | distmini = Precision::Infinite(); |
| 1747 | gp_Dir dir0(gp_Vec(Pnew,P.Location())); |
| 1748 | for (Standard_Integer ii=1;ii<=SeqV.Length();ii++) { |
| 1749 | P1 = BRep_Tool::Pnt(TopoDS::Vertex(SeqV.Value(ii))); |
| 1750 | dist = Pnew.Distance(P1); |
| 1751 | if (dist<Precision::Confusion()) { |
| 1752 | angV = 0.0; |
| 1753 | } |
| 1754 | else { |
| 1755 | gp_Dir dir1(gp_Vec(Pnew,P1)); |
| 1756 | angV = dir1.Angle(dir0); |
| 1757 | } |
| 1758 | if (angV>PI/2) angV = PI - angV; |
| 1759 | if (angmin>angV+eta) { |
| 1760 | distmini = dist; |
| 1761 | angmin = angV; |
| 1762 | Vopti = TopoDS::Vertex(SeqV.Value(ii)); |
| 1763 | } |
| 1764 | else if (Abs(angmin-angV)<eta) { |
| 1765 | if (dist<distmini) { |
| 1766 | distmini = dist; |
| 1767 | angmin = angV; |
| 1768 | Vopti = TopoDS::Vertex(SeqV.Value(ii)); |
| 1769 | } |
| 1770 | } |
| 1771 | } |
| 1772 | gp_Pnt Popti; |
| 1773 | if (!Vopti.IsNull()) Popti = BRep_Tool::Pnt(Vopti); |
| 1774 | Vmini = Vopti; |
| 1775 | |
| 1776 | } |
| 1777 | |
| 1778 | distmini = Precision::Infinite(); |
| 1779 | for (anExp.Init(wire); anExp.More(); anExp.Next()) { |
| 1780 | TopoDS_Edge Ecur = anExp.Current(); |
| 1781 | TopoDS_Vertex Vcur = anExp.CurrentVertex(); |
| 1782 | TopExp::Vertices(Ecur,VF,VR); |
| 1783 | if (VF.IsSame(Vmini)) { |
| 1784 | P1 = BRep_Tool::Pnt(VR); |
| 1785 | dist = P1.Distance(Pnext); |
| 1786 | if (dist<=distmini) { |
| 1787 | distmini = dist; |
| 1788 | Vsuiv = VR; |
| 1789 | } |
| 1790 | } |
| 1791 | if (VR.IsSame(Vmini)) { |
| 1792 | P1 = BRep_Tool::Pnt(VF); |
| 1793 | dist = P1.Distance(Pnext); |
| 1794 | if (dist<distmini) { |
| 1795 | distmini = dist; |
| 1796 | Vsuiv = VF; |
| 1797 | } |
| 1798 | } |
| 1799 | } |
| 1800 | |
| 1801 | // choix du sens de parcours en fonction de Pnext |
| 1802 | Standard_Boolean parcours = Standard_False; |
| 1803 | if (i==myWork.Length() && myDegen2) { |
| 1804 | // derniere section ponctuelle |
| 1805 | rangdeb = 1; |
| 1806 | parcours = Standard_True; |
| 1807 | } |
| 1808 | else { |
| 1809 | // cas general |
| 1810 | gp_Pnt Pbout = Pnext; |
| 1811 | TopoDS_Edge E1,E2; |
| 1812 | TopoDS_Vertex V1,V2; |
| 1813 | EdgesFromVertex(wire,Vmini,E1,E2); |
| 1814 | |
| 1815 | TopExp::Vertices(E1,V1,V2,Standard_True); |
| 1816 | #ifndef DEB |
| 1817 | Standard_Real U1=0, U2=0; |
| 1818 | #else |
| 1819 | Standard_Real U1, U2; |
| 1820 | #endif |
| 1821 | if (Vmini.IsSame(V1)) { |
| 1822 | P1 = BRep_Tool::Pnt(V2); |
| 1823 | U1 = 0.25*(BRep_Tool::Parameter(V1,E1)+3*BRep_Tool::Parameter(V2,E1)); |
| 1824 | } |
| 1825 | if (Vmini.IsSame(V2)) { |
| 1826 | P1 = BRep_Tool::Pnt(V1); |
| 1827 | U1 = 0.25*(3*BRep_Tool::Parameter(V1,E1)+BRep_Tool::Parameter(V2,E1)); |
| 1828 | } |
| 1829 | |
| 1830 | TopExp::Vertices(E2,V1,V2,Standard_True); |
| 1831 | if (Vmini.IsSame(V1)) { |
| 1832 | P2 = BRep_Tool::Pnt(V2); |
| 1833 | U2 = 0.25*(BRep_Tool::Parameter(V1,E2)+3*BRep_Tool::Parameter(V2,E2)); |
| 1834 | } |
| 1835 | if (Vmini.IsSame(V2)) { |
| 1836 | P2 = BRep_Tool::Pnt(V1); |
| 1837 | U2 = 0.25*(3*BRep_Tool::Parameter(V1,E2)+BRep_Tool::Parameter(V2,E2)); |
| 1838 | } |
| 1839 | |
| 1840 | if (Abs(Pbout.Distance(P1)-Pbout.Distance(P2))<Precision::Confusion()) { |
| 1841 | // cas limite ; on se decale un peu |
| 1842 | Pbout = PPn; |
| 1843 | BRepAdaptor_Curve Curve1(E1); |
| 1844 | P1 = Curve1.Value(U1); |
| 1845 | BRepAdaptor_Curve Curve2(E2); |
| 1846 | P2 = Curve2.Value(U2); |
| 1847 | } |
| 1848 | |
| 1849 | // calcul de rangdeb |
| 1850 | rangdeb = 0; |
| 1851 | if (Pbout.Distance(P1)<Pbout.Distance(P2)){ |
| 1852 | // P1 est plus proche; parcours = False |
| 1853 | parcours = Standard_False; |
| 1854 | rang = 0; |
| 1855 | for (anExp.Init(wire); anExp.More(); anExp.Next()) { |
| 1856 | rang++; |
| 1857 | TopoDS_Edge Ecur = anExp.Current(); |
| 1858 | if (E1.IsSame(Ecur)) { |
| 1859 | rangdeb = rang; |
| 1860 | } |
| 1861 | } |
| 1862 | BRepAdaptor_Curve Curve(E1); |
| 1863 | PPs = Curve.Value(U1); |
| 1864 | } |
| 1865 | else { |
| 1866 | // P2 est plus proche; parcours = True |
| 1867 | parcours = Standard_True; |
| 1868 | rang = 0; |
| 1869 | for (anExp.Init(wire); anExp.More(); anExp.Next()) { |
| 1870 | rang++; |
| 1871 | TopoDS_Edge Ecur = anExp.Current(); |
| 1872 | if (E2.IsSame(Ecur)) { |
| 1873 | rangdeb = rang; |
| 1874 | } |
| 1875 | } |
| 1876 | BRepAdaptor_Curve Curve(E2); |
| 1877 | PPs = Curve.Value(U2); |
| 1878 | } |
| 1879 | } |
| 1880 | |
| 1881 | // reconstruction du wire a partir de rangdeb |
| 1882 | TopTools_SequenceOfShape SeqEdges; |
| 1883 | SeqEdges.Clear(); |
| 1884 | for (anExp.Init(TopoDS::Wire(wire)); anExp.More(); anExp.Next()) { |
| 1885 | SeqEdges.Append(anExp.Current()); |
| 1886 | } |
| 1887 | if (parcours) { |
| 1888 | for (rang=rangdeb;rang<=nbEdges;rang++) { |
| 1889 | BW.Add(newwire,TopoDS::Edge(SeqEdges.Value(rang))); |
| 1890 | } |
| 1891 | for (rang=1;rang<rangdeb;rang++) { |
| 1892 | BW.Add(newwire,TopoDS::Edge(SeqEdges.Value(rang))); |
| 1893 | } |
| 1894 | } |
| 1895 | else { |
| 1896 | for (rang=rangdeb;rang>=1;rang--) { |
| 1897 | TopoDS_Shape aLocalShape = SeqEdges.Value(rang).Reversed(); |
| 1898 | BW.Add(newwire,TopoDS::Edge(aLocalShape)); |
| 1899 | // BW.Add(newwire,TopoDS::Edge(SeqEdges.Value(rang).Reversed())); |
| 1900 | } |
| 1901 | for (rang=nbEdges;rang>rangdeb;rang--) { |
| 1902 | TopoDS_Shape aLocalShape = SeqEdges.Value(rang).Reversed(); |
| 1903 | BW.Add(newwire,TopoDS::Edge(aLocalShape)); |
| 1904 | // BW.Add(newwire,TopoDS::Edge(SeqEdges.Value(rang).Reversed())); |
| 1905 | } |
| 1906 | } |
| 1907 | |
| 1908 | myWork(i) = newwire.Oriented(TopAbs_FORWARD); |
| 1909 | |
| 1910 | // on passe au wire suivant |
| 1911 | if (!Vmini.IsNull()) Pdeb=BRep_Tool::Pnt(Vmini); |
| 1912 | if (!Vsuiv.IsNull()) Psuiv=BRep_Tool::Pnt(Vsuiv); |
| 1913 | } |
| 1914 | } |
| 1915 | */ |
| 1916 | |
| 1917 | // blocking sections ? |
| 1918 | if (vClosed) myWork(myWork.Length()) = myWork(1); |
| 1919 | } |
| 1920 | |
| 1921 | //======================================================================= |
| 1922 | //function : SearchOrigin |
| 1923 | //purpose : |
| 1924 | //======================================================================= |
| 1925 | |
| 1926 | void BRepFill_CompatibleWires::SearchOrigin() |
| 1927 | { |
| 1928 | // reorganize the open wires respecting orientation and origin |
| 1929 | |
| 1930 | gp_Pln P0,P; |
| 1931 | |
| 1932 | TopoDS_Vertex Vdeb, Vfin; |
| 1933 | gp_Pnt Pdeb, Pfin;//,Psuiv; |
| 1934 | |
| 1935 | BRepTools_WireExplorer anExp; |
| 1936 | |
| 1937 | Standard_Boolean allOpen = Standard_True; |
| 1938 | Standard_Integer ideb=1, ifin=myWork.Length(); |
| 1939 | if (myDegen1) ideb++; |
| 1940 | if (myDegen2) ifin--; |
| 1941 | Standard_Boolean vClosed = (!myDegen1) && (!myDegen2) |
| 1942 | && (myWork(ideb).IsSame(myWork(ifin))); |
| 1943 | |
| 1944 | // for (Standard_Integer i=ideb; i<=ifin; i++) { |
| 1945 | Standard_Integer i; |
| 1946 | for (i=ideb; i<=ifin; i++) { |
| 1947 | allOpen = (allOpen && !myWork(i).Closed()); |
| 1948 | } |
| 1949 | if (!allOpen) |
| 1950 | Standard_NoSuchObject::Raise("BRepFill_CompatibleWires::SearchOrigin : the wires must be open"); |
| 1951 | |
| 1952 | // init |
| 1953 | |
| 1954 | TopoDS_Wire wire1 = TopoDS::Wire(myWork(ideb)); |
| 1955 | wire1.Orientation(TopAbs_FORWARD); |
| 1956 | TopExp::Vertices(wire1,Vdeb,Vfin); |
| 1957 | Pdeb = BRep_Tool::Pnt(Vdeb); |
| 1958 | Pfin = BRep_Tool::Pnt(Vfin); |
| 1959 | Standard_Boolean isline0 = (!PlaneOfWire(wire1,P0)), isline; |
| 1960 | myWork(ideb) = wire1; |
| 1961 | //OCC86 |
| 1962 | anExp.Init(wire1); |
| 1963 | TopoDS_Edge E0 = anExp.Current(), E; |
| 1964 | |
| 1965 | for ( i=ideb+1; i<=ifin; i++) { |
| 1966 | |
| 1967 | TopoDS_Wire wire = TopoDS::Wire(myWork(i)); |
| 1968 | wire.Orientation(TopAbs_FORWARD); |
| 1969 | |
| 1970 | TopTools_SequenceOfShape SeqEdges; |
| 1971 | SeqEdges.Clear(); |
| 1972 | Standard_Integer nbEdges=0; |
| 1973 | //OCC86 for(anExp.Init(wire); anExp.More(); anExp.Next()) { |
| 1974 | for(anExp.Init(wire), E = anExp.Current(); anExp.More(); anExp.Next()) { |
| 1975 | SeqEdges.Append(anExp.Current()); |
| 1976 | nbEdges++; |
| 1977 | } |
| 1978 | TopExp::Vertices(wire,Vdeb,Vfin); |
| 1979 | isline = (!PlaneOfWire(wire,P)); |
| 1980 | |
| 1981 | TopoDS_Vertex Vmini; |
| 1982 | TopoDS_Wire newwire; |
| 1983 | BRep_Builder BW; |
| 1984 | BW.MakeWire(newwire); |
| 1985 | Standard_Boolean parcours = Standard_True; |
| 1986 | |
| 1987 | if (isline0 || isline) { |
| 1988 | |
| 1989 | // particular case of straight segments |
| 1990 | gp_Pnt P1 = BRep_Tool::Pnt(Vdeb), |
| 1991 | P2 = BRep_Tool::Pnt(Vfin); |
| 1992 | Standard_Real dist1, dist2; |
| 1993 | dist1 = Pdeb.Distance(P1)+Pfin.Distance(P2); |
| 1994 | dist2 = Pdeb.Distance(P2)+Pfin.Distance(P1); |
| 1995 | parcours = (dist2>=dist1); |
| 1996 | } |
| 1997 | |
| 1998 | else { |
| 1999 | //OCC86 |
| 2000 | gp_Pnt P1 = BRep_Tool::Pnt(Vdeb), P1o = Pdeb, |
| 2001 | P2 = BRep_Tool::Pnt(Vfin), P2o = Pfin; |
| 2002 | /* // return Pdeb in the current plane |
| 2003 | gp_Pnt Pnew = Pdeb.Translated (P0.Location(),P.Location()); |
| 2004 | gp_Ax1 A0 = P0.Axis(); |
| 2005 | gp_Ax1 A1 = P.Axis(); |
| 2006 | |
| 2007 | if (!A0.IsParallel(A1,1.e-4)) { |
| 2008 | gp_Vec vec1(A0.Direction()), vec2(A1.Direction()), |
| 2009 | norm = vec1 ^ vec2; |
| 2010 | gp_Ax1 Norm(P.Location(),norm); |
| 2011 | Standard_Real ang = vec1.AngleWithRef(vec2,norm); |
| 2012 | if (ang > PI/2.0) |
| 2013 | ang = PI - ang; |
| 2014 | if (ang < -PI/2.0) |
| 2015 | ang = -PI - ang; |
| 2016 | if (Abs(ang-PI/2.0)<Precision::Angular()) { |
| 2017 | // cas d'ambiguite |
| 2018 | gp_Vec Vtrans(P0.Location(),P.Location()),Vsign; |
| 2019 | Standard_Real alpha,beta,sign=1; |
| 2020 | Vsign.SetLinearForm(Vtrans.Dot(vec1),vec2,-Vtrans.Dot(vec2),vec1); |
| 2021 | alpha = Vsign.Dot(vec1); |
| 2022 | beta = Vsign.Dot(vec2); |
| 2023 | Standard_Boolean pasnul = (Abs(alpha)>1.e-4 && Abs(beta)>1.e-4); |
| 2024 | if ( alpha*beta>0.0 && pasnul ) sign=-1; |
| 2025 | ang *= sign; |
| 2026 | } |
| 2027 | Pnew = Pnew.Rotated (Norm,ang); |
| 2028 | } |
| 2029 | // choix entre Vdeb et Vfin |
| 2030 | Standard_Real dist = Pnew.Distance(P1); |
| 2031 | parcours = (dist<Pnew.Distance(P2)); |
| 2032 | */ |
| 2033 | if(P1.IsEqual(P2,Precision::Confusion()) || P1o.IsEqual(P2o,Precision::Confusion())){ |
| 2034 | BRepAdaptor_Curve Curve0(E0), Curve(E); |
| 2035 | Curve0.D0(Curve0.FirstParameter() + Precision::Confusion(), P2o); |
| 2036 | Curve.D0(Curve.FirstParameter() + Precision::Confusion(), P2); |
| 2037 | }; |
| 2038 | gp_Vec VDebFin0(P1o,P2o), VDebFin(P1,P2); |
| 2039 | Standard_Real AStraight = VDebFin0.Angle(VDebFin); |
| 2040 | parcours = (AStraight < PI/2.0? Standard_True: Standard_False); |
| 2041 | } |
| 2042 | |
| 2043 | // reconstruction of the wire |
| 2044 | Standard_Integer rang; |
| 2045 | if (parcours) { |
| 2046 | for (rang=1;rang<=nbEdges;rang++) { |
| 2047 | TopoDS_Shape alocalshape = SeqEdges.Value(rang); |
| 2048 | BW.Add(newwire,TopoDS::Edge(alocalshape)); |
| 2049 | // BW.Add(newwire,TopoDS::Edge(SeqEdges.Value(rang))); |
| 2050 | } |
| 2051 | } |
| 2052 | else { |
| 2053 | for (rang=nbEdges;rang>=1;rang--) { |
| 2054 | TopoDS_Shape alocalshape = SeqEdges.Value(rang).Reversed(); |
| 2055 | BW.Add(newwire,TopoDS::Edge(alocalshape)); |
| 2056 | // BW.Add(newwire,TopoDS::Edge(SeqEdges.Value(rang).Reversed())); |
| 2057 | } |
| 2058 | } |
| 2059 | |
| 2060 | // orientation of the wire |
| 2061 | newwire.Oriented(TopAbs_FORWARD); |
| 2062 | myWork(i) = newwire; |
| 2063 | |
| 2064 | // passe to the next wire |
| 2065 | if (parcours) { |
| 2066 | Pdeb = BRep_Tool::Pnt(Vdeb); |
| 2067 | Pfin = BRep_Tool::Pnt(Vfin); |
| 2068 | } |
| 2069 | else { |
| 2070 | Pfin = BRep_Tool::Pnt(Vdeb); |
| 2071 | Pdeb = BRep_Tool::Pnt(Vfin); |
| 2072 | } |
| 2073 | P0 = P; |
| 2074 | isline0 = isline; |
| 2075 | //OCC86 |
| 2076 | E0 = E; |
| 2077 | } |
| 2078 | |
| 2079 | // blocking sections ? |
| 2080 | if (vClosed) myWork(myWork.Length()) = myWork(1); |
| 2081 | } |